Medium Duty Operator's Manual

Home , Dump truck, Glider (automobiles), Peterbilt, Vehicle recovery

348 337 330 325

Contents

Safety 1

Emergency 2

Controls 3

Driving 4

Maintenance 5

Information 6

Index 7 Contents

This manual illustrates and describes the operation of features or equipment which may be either standard or optional on this vehicle. This manual may also include a description of features and equipment which are no longer available or were not ordered on this vehicle. Please disregard any illustrations or descriptions relating to features or equipment which are not on this vehicle.

PACCAR reserves the right to discontinue, change specifications, or change the design of its vehicles at any time, without notice and without incurring any obligation.

The information contained in this manual is proprietary to PACCAR. Reproduction, in whole or in part, by any means is strictly prohibited without prior written authorization from PACCAR Inc. SAFETY

1 INTRODUCTION How to Use This Manual ...... 1-3 How to Find What You Want ...... 1-3 Safety Alerts ...... 1-4 Vehicle Safety ...... 1-6 A Special Word About Repairs ...... 1-8 Additional Sources of Information ...... 1-9 CAB AND FRAME ACCESS Safety ...... 1-11 Door Lock and Keys...... 1-12 Remote Keyless Entry (RKE) ...... 1-13 Climbing Onto the Deck Plate ...... 1-14 GETTING TO YOUR ENGINE Hood Hold Downs...... 1-16 Hood Tilt...... 1-17 Hood Safety Cable ...... 1-18

(03/17) Y53-6060-1C1 1-1 SAFETY

1 SEATS AND RESTRAINTS Introduction ...... 1-20 Safety Restraint Belts ...... 1-21 Tether Belts ...... 1-24 Komfort-Latch® Feature ...... 1-25 During Pregnancy...... 1-26 Belt Damage and Repair ...... 1-27 Safety Restraint Tips ...... 1-27 START-UP Introduction ...... 1-29 Safe Vehicle Operation ...... 1-29 Vehicle Loading...... 1-30 Emergency Equipment ...... 1-31 Driver's Check List ...... 1-32

1-2 Y53-6060-1C1 (03/17) INTRODUCTION

INTRODUCTION you need it the next time or when you How to Find What You Want pass the vehicle on to the next user. 1 How to Use This Manual There are several tools built into this manual to help you find what you need This manual contains useful quickly and easily. information for the safe and efficient operation of your Peterbilt vehicle. First is the Quick Table of Contents. It also provides information on Located at the front of the manual, this maintaining your vehicle in the best lists the main subjects covered and condition, with an outline for performing gives section numbers where you can safety checks and basic preventive find these subjects. Use the Quick maintenance inspections. Table of Contents to find information on a large subject like "Maintenance." We have tried to present the information you’ll need to learn about Cross-referenced citations also help your vehicle’s functions, controls, and you get the information you need. If operation—and to present it as clearly some other part of the manual contains as possible. We hope you’ll find this further information on the subject you manual easy to use. are reading about, we’ll indicate that in a cross-reference like this: (See There will be times when you need to Driver’s Check List on page 1-32). You take this manual out of your Peterbilt. won’t have to go searching for more When you do, please be sure to return information. it to the cab when you are finished using it. That way it will be there when Finally you’ll find a helpful Subject Index. It’s in the back of the manual

(03/17) Y53-6060-1C1 1-3 INTRODUCTION

and alphabetically lists the subjects Safety Alerts WARNING 1 covered. So if you want information on brakes, for example, just look under Please read and follow all of the WARNING! Brake in the Subject Index. You’ll find safety alerts contained in this manual. all the pages listed where brakes or They are there for your protection braking are discussed. and information. These alerts can help you avoid injury to yourself, your The safety message following this passengers, and help prevent costly symbol and signal word provides a damage to the vehicle. Safety alerts warning against operating procedures are highlighted by safety alert symbols which could cause death or personal and signal words such as "WARNING", injury. They could also cause "CAUTION", or "NOTE". Please do not equipment or property damage. The ignore any of these alerts. alert will identify the hazard, how to avoid it, and the probable consequence of not avoiding the hazard.

1-4 Y53-6060-1C1 (03/17) INTRODUCTION

CAUTION NOTE Example: 1 CAUTION NOTE WARNING! Do not carry additional fuel containers in your vehicle. Fuel containers, The safety alert following this symbol The alert following this symbol and either full or empty, may leak, ex- and signal word provides a caution signal word provides important plode, and cause or feed a fire. Do against operating procedures which information that is not safety related not carry extra fuel containers. Even could cause equipment or property but should be followed. The alert empty ones are dangerous. Failure damage. The alert will identify the will highlight things that may not be to comply may result in death or per- hazard, how to avoid it, and the obvious and is useful to your efficient sonal injury. probable consequence of not avoiding operation of the vehicle. the hazard. Example: Example: NOTE CAUTION Pumping the accelerator will not as- Continuing to operate your vehi- sist in starting the engine. cle with insufficient oil pressure will cause serious engine damage. Fail- ure to comply may result in equipment or property damage.

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Vehicle Safety 1 Make sure your vehicle is in top Safe driving is only possible with the WARNING! working condition before heading proper concentration on the driving out on the road, it is the responsible task. Keep distraction to a minimum to Do not drink alcohol and drive. Your driver's duty to do so. Inspect the improve your concentration. Examples reflexes, perceptions, and judgment vehicle according to the Driver's Check of distractions may include radio can be affected by even a small List beginning on page 1-32. controls, GPS navigation controls, amount of alcohol. You could have a cellular telephone calls, cellular text serious or even fatal accident, if you Every new vehicle is designed to messages, reading or reaching for drive after drinking. Please do not conform to all Federal Motor Vehicle something on the floor. Minimizing drink and drive or ride with a driver Safety Standards applicable at the time your distractions will improve safe who has been drinking. Failure to of manufacture. Even with these safety driving and will help avoid an accident comply may result in death, per- features, continued safe and reliable involving death or personal injury. sonal injury, equipment or property operation depends greatly upon damage. regular vehicle maintenance. Follow Be aware of local regulations that may the maintenance recommendations prohibit the use of cellular telephones WARNING! found in Preventive Maintenance on while driving. In addition to being an unsafe practice, it may be against local Do not text and drive. Your reac- page 5-9. This will help preserve your or federal ordinances to use cellular tion time, perceptions and judgment investment. devices while operating the vehicle. can be affected while texting or us- Keep in mind that even a well ing any other form of mobile mes- maintained vehicle must be operated This manual is not a training manual. saging while driving. Failure to com- within the range of its mechanical It cannot tell you everything you need ply may result in death, personal in- capabilities and the limits of its load to know about driving your vehicle. For jury, equipment or property damage. ratings. See the Weight Ratings label that you need a good training program on the driver's door edge. or truck driving school. If you have not

1-6 Y53-6060-1C1 (03/17) INTRODUCTION been trained, get the proper training California Proposition 65 Warning Data Recorder before you drive. Only qualified drivers 1 should drive this vehicle. • Diesel engine exhaust and some California Vehicle Code - Section of its constituents are known to 9951- Disclosure of Recording Device the State of California to cause cancer, birth defects, and other Your vehicle may be equipped with one reproductive harm. or more recording devices commonly referred to as "event data recorders • Other chemicals in this vehicle (EDR)" or "sensing and diagnostic are also known to the State of modules (SDM)". If you are involved in California to cause cancer, birth an accident, the device(s) may have defects or other reproductive the ability to record vehicle data that harm. occurred just prior to and/or during the • Battery posts, terminals, and accident. For additional information on related accessories contain lead your rights associated with the use of and lead compounds, chemicals this data, contact known to the State of California • the California Department of Motor to cause cancer and reproductive Vehicles - Licensing Operations harm. Wash hands after handling. Division – or – • http://www.dmv.ca.gov/ pubs/vctop/d03_6/vc9951.htm

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1 Environmental Protection for information concerning proper A Special Word About disposal. Repairs WARNING! Diesel engine exhaust and some WARNING! of its constituents are known to the Do not attempt repair work without State of California to cause cancer, sufficient training, service manuals, birth defects, and other reproduc- and the proper tools. You could be tive harm. Other chemicals in this killed or injured, or you could make vehicle are also known to the State your vehicle unsafe. Do only those of California to cause cancer, birth tasks you are fully qualified to do. defects or other reproductive harm. This warning requirement is man- Your dealer’s service center is the best dated by California law (Proposition place to have your vehicle repaired. 65) and does not result from any You can find dealers all over the change in the manner in which vehi- country with the equipment and trained cles are manufactured. personnel to get you back on the road quickly—and keep you there. Some of the ingredients in engine oil, hydraulic oil, transmission and Your vehicle is a complex machine. axle oil, engine coolant, diesel fuel, Anyone attempting repairs on it needs air conditioning refrigerant (R12, good mechanical training and the R134a, and PAG oil), batteries, etc., proper tools. If you are sure you may contaminate the environment if have these requirements, then you spilled or not disposed of properly. can probably perform some repairs Contact your local government agency yourself. However, all warranty repairs

1-8 Y53-6060-1C1 (03/17) INTRODUCTION must be performed by an authorized Additional Sources of 1 service facility. If you aren’t an WARNING! Information experienced mechanic, or don’t have Modifying your vehicle can make Installed Equipment - Operator's the right equipment, please leave all it unsafe. Some modifications can Manuals repairs to an authorized service facility. affect your vehicle's electrical sys- They are the ones equipped to do the tem, stability, or other important Major component suppliers also supply job safely and correctly. functions. Before modifying your operation manuals specific to their vehicle, check with your dealer to products. Additional manuals and Maintenance Manuals. If you do make sure it can be done safely. other pieces of literature are included in decide to do any complex repair work, Improper modifications can cause the glove box literature package. Look you’ll need the maintenance manuals. death or personal injury. for information on products such as Order them from your authorized the engine, driver's seat, transmission, dealer. Please provide your Chassis axles, wheels, tires, ABS/ESC (if Serial Number when you order, to be applicable), radio, 5th wheel. If you sure you get the correct manuals for are missing these pieces of literature, your vehicle. Allow about four weeks ask your Dealer for copies. for delivery. There will be a charge for these manuals.

Final Chassis Bill of Material. A complete, non-illustrated computer printout listing of the parts used to custom-build your vehicle is available through the dealer from whom you purchased your vehicle.

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1 Other Sources Another place to learn more about trucking is from local truck driving schools. Contact one near you to learn about courses they offer.

Federal and state agencies such as the department of licensing also have information. The Interstate Commerce Commission can give you information about regulations governing transportation across state lines.

1-10 Y53-6060-1C1 (03/17) CAB AND FRAME ACCESS

CAB AND FRAME 1 ACCESS WARNING! Jumping out of the cab or getting Safety into the cab without proper caution is dangerous. You could slip and WARNING! fall, which could lead to death or personal injury. Keep steps clean. Always reinstall steps before enter- Clean any fuel, oil, or grease off of ing the cab or accessing the deck the steps before entering the cab. plate. Without steps you could slip Use the steps and grab handles and fall. Failure to comply may re- provided, and always keep at least sult in death or personal injury. three points of contact between your hands and feet and the truck. Al- Be careful whenever you get into or out ways face toward the vehicle when of your vehicle’s cab. Always maintain entering or exiting the cab and look at least three points of contact with where you are going. your hands on the grab handles and your feet on the steps. The following picture shows the best way to enter and exit a Conventional Cab.

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Door Lock and Keys Keys 1 Door Lock To lock or unlock the doors from outside the cab, insert the key in the The same key fits your ignition, doors, Doors can be locked from the inside by lock. Turn the key toward the rear to and sleeper luggage compartment. using the lock button. Close the door lock; forward to unlock. then push the button down to lock. Frame-mounted tool box locks and Doors automatically unlock when you locking fuel tank caps each have open them from inside, and can be individual keys. locked from the outside with the key or the optional remote keyless entry key fob.

WARNING! To reduce the chance of death or personal injury, always lock the doors while driving. Along with using the lap shoulder belts properly, locking the doors helps prevent doors from inadvertently opening and occupants from being ejected from the vehicle.

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Remote Keyless Entry (RKE) Operation 1 (Optional) NOTE To Unlock The Driver’s Door FCC ID: L2C0031T IC: 3432A- This vehicle may be equipped with a 0031T FCC ID: L2C0032R IC: Press the UNLOCK button once. The Remote Keyless Entry (RKE) system 3432A-0032R This device complies driver's door will unlock and the parking that adds security and convenience with Part 15 of the FCC Rules and lights will come on for 40 seconds. to your vehicle. The system will with RSS-210 of Industry Canada. To Unlock The Passenger’s Door lock or unlock the driver’s door and Operation is subject to the following passenger’s door with the key fob and two conditions: (1) This device may Press the UNLOCK button once and alert you with parking lights when the not cause harmful interference, and press again within 5 seconds. The selected doors are locked or unlocked. (2) This device must accept any in- passenger door will unlock. The system includes two key fobs that terference received, including inter- provide secure rolling code technology ference that may cause undesired To Lock All Doors that prevents someone from recording operation. Changes or modifica- the entry signal. tions not expressively approved by Press the LOCK button. The doors will the party responsible for compliance lock and the parking lights will come could void the user's authority to op- on for 2 seconds. If the doors are open erate the equipment. The term "IC:" they will not lock. The range of the before the radio certification number RKE system should be approximately only signifies that Industry Canada 30 ft. This will be reduced if it is technical specifications were met. operated close to other RF sources such as TV/radio transmitters and cell towers.

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1 Batteries Synchronization Climbing Onto the Deck Plate The key fob uses one CR2032, The key fob may need to be 3V battery. Batteries should last synchronized to the truck when the WARNING! approximately three years, depending battery is replaced or when the key fob on use. Consistently reduced range has not been used for an extended When you are climbing onto and is an indicator that the battery needs period of time. off the deck plate, maintain at least replacement. Batteries are available three points of contact with your at most discount, hardware and drug To Synchronize A Key Fob hands on the grab handles and your stores. feet on the steps. Always face to- 1. Hold the key fob near the receiver ward the vehicle when entering or which is located behind the The battery can be accessed by exiting the cab and look where you speedometer and tachometer. removing the cover of the key fob. are going. Failure to comply may After a new battery is installed, the 2. Press and hold both the Lock and result in death or personal injury. key fob must be synchronized with the Unlock buttons at the same time vehicle. for approximately 7 seconds. WARNING! 3. When the key fob is When stepping onto a surface to en- resynchronized, the doors ter the cab or access the deck plate, will lock then immediately unlock. only use the steps and grab handles installed and designed for that 4. If the fob fails to synchronize, purpose. Failure to use the proper it could be programmed to a steps and grabhandles could cause different truck or could have failed. a fall which may result in death or Contact your dealer to re-program personal injury. your key fob.

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WARNING! The following pictures show you the 1 Keep steps clean. Clean any fuel, right way to get on and off the area oil, or grease off the steps before behind your cab. entering the cab or accessing the deck plate. Stepping on a slippery surface can cause a fall which may result in death or personal injury.

WARNING! Always reinstall steps before entering the cab or accessing the deck plate. Without steps you could slip and fall. Failure to comply may result in death or personal injury.

NOTE Maintain three points of contact. Any alteration (adding bulkheads, headache racks, tool boxes, etc.) behind the cab that affects the uti- Hold handles as you step up. lization of installed grab handles, deck plates, or frame access steps should comply with Federal Motor Carrier Safety Regulation 399.

(03/17) Y53-6060-1C1 1-15 GETTING TO YOUR ENGINE

1 GETTING TO YOUR ENGINE 1. Hood Latch in the Closed Position 2. Pull Latch to Open

Hood Hold Downs

The hood is secured in its closed position by an external latch on each side. These latches serve as hold downs and keep the hood from opening unexpectedly.

CAUTION If you do not latch the hood securely, it could open during operation and cause vehicle damage. Be sure to latch the hood securely before moving the vehicle.

To open the hood, unlatch both of the hood hold downs.

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Hood Tilt 3. Pull Up to Separate 4. Hood Latch in the Open Position 1 WARNING! A pivoting hood could hurt someone or be damaged itself. Before opening or closing the hood, be sure there are no people or objects in the way. Failure to stand in a position of safety can cause death or personal injury.

WARNING! Before opening the hood, make sure your footing is secure and stable. Failure to do so may cause the hood to close uncontrollably which may result in death or personal injury.

Put one hand on the hood handle (just above the Peterbilt emblem), one foot on the bumper, and one foot on the ground. Tilt the hood forward.

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Hood Safety Cable 1 WARNING! The hood is equipped with a hood Before closing the hood, be sure the safety cable. The cable is on the area is clear—no people or objects driver’s side of the radiator. Unwind are in the way. Failure to do so may the cable by pulling on it and attach result in death or personal injury. the loop of the cable to the hook on the hood. CAUTION To avoid hood damage when closing WARNING! the hood, detach the safety cable Always attach the hood safety cable from the hook on the hood before to keep a hood open any time any- closing the hood. one gets under a hood for any reason. Failure to do so may allow the hood to fall unexpectedly resulting in death or personal injury. Pull with hand from here

Locate the hood safety cable as shown in the following section and attach it to the hook on the hood.

To close the hood, you must first detach the hood safety cable from the hook on the hood.

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Safety cable in its attached position

Safety cable in its stored position

(03/17) Y53-6060-1C1 1-19 SEATS AND RESTRAINTS

1 SEATS AND Seat Adjustment Standard Driver's Seat RESTRAINTS WARNING! The standard driver's seat can be adjusted forward and rearward. These Do not adjust the driver's seat while Introduction movements are each controlled by the vehicle is moving. The seat levers located on the FRONT of the could move suddenly and unexpect- This section covers the operation seat. and safe use of your seats. For edly and can cause the driver to further information on features and lose control of the vehicle. Make all Driver's Seat with Air Suspension adjustment of the seat, see the adjustments to the seat while the (Option) manufacturer's Service and Operation vehicle is stopped. After adjusting Manual included with the vehicle. the seat and before driving off, al- WARNING! ways check to ensure that the seat is firmly latched in position. Failure Before driving or riding in the vehi- to comply may result in death, per- cle, be sure that there is adequate sonal injury or property damage. head clearance at maximum upward travel of seat. Serious injury may occur if head clearance is not ade- WARNING! quate. Before driving or riding in vehicle, ensure that there is adequate The driver's seat with air suspension head clearance at maximum upward can be adjusted using the controls travel of seat. Injury may occur if pictured. head clearance is not adequate. Failure to comply may result in death or personal injury.

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Safety Restraint Belts much worse when riders are unbelted. Always fasten your seat belt and be 1 sure anyone riding with you does the same. Therefore, read the following instructions and always observe user warnings pertaining to safety belts.

WARNING! Do not drive vehicle without your seat belt and your riders belts fastened. Riding without a safety belt properly fastened can lead to death or personal injury in an emergency.

WARNING!

Safety belts have proven to be the In vehicles equipped with passenger single most effective means available seat swivel function, the seat belts for reducing the potential for either will only perform their intended func- death or personal injury in motor tion when the seat is facing forward. vehicle accidents. Unbelted riders Failure to comply can lead to death could be thrown into the windshield or personal injury in an emergency. or other parts of the cab or could be thrown out of the cab. They could Your vehicle is equipped with a seat belt strike another person. Injuries can be indicator in the warning light display

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above the speedometer/tachometer Lap/Shoulder Belt 1 (see "Seat Belt, Fasten" on page 3-23). 5. Pull belt to check for proper The combination lap-shoulder belt is fastening and adjustment, as equipped with a locking mechanism. follows: The system adjusts automatically to a • Pull shoulder section to make sure person's size and movements as long belt fits snugly across the chest as the pull on the belt is slow. and pelvis. Hard braking or a collision locks the • There should be less than 1 inch belt. The belt will also lock when (25 mm) gap between the body driving up or down a steep hill or in a and the belt. sharp curve. • The shoulder belt must be To fasten the belt: positioned over the shoulder, it must never rest against the neck 1. Grasp the belt tongue. or be worn under the arm. 2. Pull belt in a continuous slow motion across your chest and lap. • Make sure any slack is wound up on the retractor and that the belt 3. Insert belt tongue into buckle on is not twisted. inboard side of seat. To unfasten the belt: 4. Push down until the tongue is securely locked with an audible 1. Push in the release button on the click. buckle. 2. The belt will spring out of the buckle.

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releasing the belt, allow the belt to If the belt is locked, lean the body back retract completely by guiding the belt 1 to remove any tension in the belt. After tongue until the belt comes to a stop.

Safety Restraint Belts

Lap Belt Shoulder Belt

Correct Incorrect (too high on hips) Correct (over arm) Incorrect (under Incorrect (twisted) arm)

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1 WARNING! Tether Belts WARNING! Proper seat belt adjustment and use This vehicle may have an external Failure to adjust tether belts properly is important to maximize occupant tether belt installed with a seat, instead can cause excessive movement of safety. Failure to wear or adjust of the internal tethering device. Tether the seat in an accident. Tether belts the safety belt properly may result in belts are designed to restrain the seat should be adjusted so that they are death or personal injury. in the event of a sudden stop or an taut when the seat is in its most up- accident. ward and forward position. Failure Internal tether belts do not require to comply may result in death or per- adjustment. sonal injury.

WARNING! Do not remove, modify, or replace the tether belt system with a different tether system. A failed or missing tether belt could allow the seat base to fully extend in the event of an accident. Failure to comply may result in death or personal injury.

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To adjust an external tether belt Komfort-Latch® Feature 4. While seated appropriately, push 1 the "on" button to engage the • Make sure that the tether belt is Your vehicle includes a feature Komfort Latch. attached to the cab floor and seat designed to eliminate cinching and frame. It should be routed through provide improved safety and comfort. 5. Learn forward in the seat until you the buckle on each side. Cinching is the condition where a belt hear a "click." becomes continually tighter around • Often the attachments are made you during a rough, bouncy ride. The 6. Return to normal driving position, using a split-type hook. Make sure need for this feature increases with and the Komfort Latch maintains both halves of the hook are around rough road conditions, particularly over the preset amount of tension relief. the anchor bracket. long distances. To disengage the mechanism: • To lengthen the tether, turn the buckle to a right angle to the To eliminate cinching, simply activate 1. Unbuckle the seat belt the Komfort-Latch feature located webbing. Then pull the buckle. 2. Press the "OFF" button of the To shorten the tether, pull on the on the seat belt webbing at the appropriate time. Komfort Latch or tug on the strap. shoulder strap. 1. Adjust the seat to its proper driving position. 2. Latch the seat belt. 3. If available, adjust the seat belt height adjuster to a comfortable driving position.

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During Pregnancy 1 WARNING! Do not set the Komfort Latch with too Pregnant women should always wear much slack. Too much slack may combination lap/shoulder belts. The reduce the effectiveness of the seat lap belt portion must be worn snugly belt. Failure to comply may result in and as low as possible across the death or personal injury. pelvis. To avoid pressure on the abdomen, the belt must never pass over the waist. A properly worn seat belt may significantly reduce the risks to woman and baby in the event of a crash.

Komfort-Latch®

More information and video tutorials can be found at: www.clicktugsnug.com.

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Belt Damage and Repair Safety Restraint Tips 1 Damaged belts in the cab must • Do not wear a belt over rigid or be replaced. Belts that have been breakable objects in or on your stretched, cut, or worn out may not clothing, such as eye glasses, protect you in an accident. pens, keys, etc., as these may cause injury in an accident. If any seat belt is not working properly, see an Authorized Service Center for • Any authorized person sleeping repair or replacement. in your vehicle while it is moving should use the bunk restraint. For further information on seat belts • Any authorized person sitting in and seat belt maintenance, see Safety the sleeper area on the sofa bed Restraint System - Inspection on page (if equipped) while it is moving Pregnant Woman with Belt Properly 5-75. should wear a seat belt. Worn • A responsible operator sees to it that everyone in the vehicle rides or sleeps safely. The operator is responsible to inform any passengers or co-drivers how to properly use the seat belts and bunk restraint in the vehicle. • Do not strap in more than one person with each belt.

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1 • Keep seat belt and bunk restraint • All belts must be kept clean or the to keep you and your passengers buckles free of any obstruction retractors may not work properly. safe. that may prevent secure locking. • Never bleach or dye seat or bunk • If any seat belt or bunk restraint • Damaged or worn belts in the cab restraint belts: chemicals can is not working properly, see an or sleeper, subjected to excessive weaken them. Do, however, keep authorized dealer for repair or stretch forces from normal wear, them clean by following the care replacement. must be replaced. They may label on the belts. Let them dry not protect you if you have an completely before allowing them accident. to retract or be stowed away. • Any belts or restraints that have • Make sure the seat belts and been subjected to an accident bunk restraint of the unoccupied should be inspected for any loose passenger seat or bunk is fully (attaching) hardware or damaged wound up on its retractor or buckles. is stowed, so that the belt or restraint tongue is in its properly • If belts show damage to any part stowed position. This reduces the of assembly, such as webbing, possibility of the tongue becoming bindings, buckles or retractors, a striking object in case of a they must be replaced. sudden stop. • Do not allow safety belts (seat • Do not modify or disassemble the or bunk) to become damaged by seat belts or bunk restraint in your getting caught in door, bunk or vehicle. They will not be available seat hardware, or rubbing against sharp objects.

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START-UP Safe Vehicle Operation or federal ordinances to use cellular devices while operating the vehicle. 1 Introduction For your safety, as well as those around you, be a responsible driver: Much has gone into the manufacturing of your vehicle including advanced The following section covers start-up • If you drink alcohol, do not drive. procedures for getting your vehicle engineering techniques, rigid quality ready for the road. • Do not drive if you are tired, ill, or control, and demanding inspections. under emotional stress. These manufacturing processes will be enhanced by you, the safe driver, Safe driving is only possible with the who observes the following: proper concentration on the driving • Knows and understands how to task. Keep distraction to a minimum to operate the vehicle and all its improve your concentration. Examples controls. of distractions may include radio controls, GPS navigation controls, • Maintains the vehicle properly. cellular telephone calls, cellular text messages, reading or reaching for • Uses driving skills wisely. something on the floor. Minimizing your distractions will improve safe For more information, refer to driving and will help avoid an accident Department of Transportation involving death or personal injury. Regulation 392.7, which states that interstate commercial motor vehicles Be aware of local regulations that may are not to be driven unless the driver is prohibit the use of cellular telephones sure that certain parts and accessories while driving. In addition to being an are in working order. unsafe practice, it may be against local

(03/17) Y53-6060-1C1 1-29 START-UP

Vehicle Loading 1 WARNING! WARNING! The use of alcohol, drugs, and cer- Do not text and drive. Your reac- Compare your vehicle's load capacity tain medications will seriously im- tion time, perceptions and judgment with the total load you are carrying. If pair perception, reactions, and driv- can be affected while texting or us- adjustments need to be made, make ing ability. These circumstances can ing any other form of mobile mes- them, do not drive an overloaded substantially increase the risk of an saging while driving. Failure to com- vehicle. If you are overloaded or your accident. Failure to comply may re- ply may result in death, personal in- load has shifted, your vehicle may be sult in death, personal injury, equip- jury, equipment or property damage. unsafe to drive. ment or property damage. WARNING! Do not drink alcohol and drive. Your Do not exceed the specified load rat- reflexes, perceptions, and judgment ing. Overloading can result in loss can be affected by even a small of vehicle control, either by causing amount of alcohol. You could have a component failures or by affecting serious or even fatal accident, if you vehicle handling. Exceeding load drive after drinking. Please do not ratings can also shorten the service drink and drive or ride with a driver life of the vehicle. Failure to comply who has been drinking. may result in death or personal injury.

The gross vehicle weight rating (GVWR), or the maximum front and rear gross axle weight ratings (GAWRs) are determined by the

1-30 Y53-6060-1C1 (03/17) START-UP components installed from the factory Emergency Equipment on to the vehicle and their designed Load Distribution: be sure any load 1 specifications. (Axle weight ratings are you carry is distributed so that no axle It is good practice to carry an listed on the driver's door edge.) has to support more than its GAWR. emergency equipment kit in your vehicle. One day, if you have a The following are some definitions of WARNING! roadside emergency, you will be glad weight you should know: An unevenly distributed load or a the following items are with you: load too heavy over one axle can af- • window scraper GVWR: is the Gross Vehicle Weight fect the braking and handling of your Rating. This is the MAXIMUM vehicle, which could result in an ac- • snow brush WEIGHT your vehicle is allowed to cident. Even if your load is under the carry, including the weight of the empty legal limits, be sure it is distributed • container or bag of sand or salt vehicle, loading platform, occupants, evenly. Failure to comply may result • emergency light fuel, and any load. Never exceed the in death, personal injury, equipment GVWR of your vehicle. or property damage. • warning triangles GCW: is the actual combined weight, • small shovel or Gross Combination Weight (GCW), of your vehicle and its load: vehicle, • first aid kit plus trailer(s), plus cargo. • fire extinguisher GAWR: is the Gross Axle Weight • vehicle recovery hitches (see Rating. This is the total weight that Vehicle Recovery Guidelines on one axle is designed to transmit to the page 2-12 for details). ground. You will find this number listed on the driver's door edge.

(03/17) Y53-6060-1C1 1-31 START-UP

Driver's Check List Approaching Your Vehicle 1 The following operations are to be To keep your vehicle in top shape and performed by the driver. Performing • Check the overall appearance and maintain a high level of safety for you, these checks and following the condition. Are windows, mirrors, your passengers, and your load, make maintenance procedures in this and lights clean and unobstructed? a thorough inspection every day before manual will help keep your vehicle • Check beneath the vehicle. Are you drive. You will save maintenance running properly. there signs of fuel, oil, or water time later, and the safety checks leaks? could help prevent a serious accident. Please remember, too, that Federal • Check for damaged, loose, or Motor Carrier Safety Regulation 392.7 missing parts. Are there parts requires a pre-trip inspection and so showing signs of excessive wear do commercial trucking companies. or lack of lubrication? Have a qualified mechanic examine any You are not expected to become a questionable items and repair professional mechanic. The purpose them without delay. of your inspections is to find anything that might interfere with the safe and • Check your load. Is it secured efficient transportation of yourself, any properly? passengers, and your load. If you do find something wrong and cannot fixit yourself, have an authorized dealer or qualified mechanic repair your vehicle right away.

1-32 Y53-6060-1C1 (03/17) START-UP

Daily Checks Chassis and Cab Checks - Daily b. Replace belts that are cracked 1 torn or broken. Engine Compartment Checks - Daily Before entering the cab and operating 3. Fuel Filter/Water Separator the vehicle, check the following 1. Engine Fluid Levels - add more if Draining - check and drain. equipment for proper maintenance: necessary. Depending on the fuel storage 1. Lights - are any exterior lights a. Engine oil facility, more frequent draining cracked or damaged? may be required. b. Coolant (check while engine 2. Windows and Mirrors - are they is cold) 4. Windshield washer reservoir fluid clean and adjusted properly? level - fill if necessary. c. Power steering fluid level 3. Tires and Wheels - are they 5. Battery Cables - check the 2. Engine Belt - check tension and inflated properly? Are all wheel condition of the battery and condition of belts. cap nuts in place and torqued alternator cables for signs of properly - tighten if necessary. a. See Accessory Drive Belts chafing or rubbing. Make sure Check front wheel bearing oil on page 5-102 for further that all clamps (straps) holding the levels. Inspect all tires and wheels information on checking belt cables are present and in good for damage - correct if found. tension. working order. 4. Suspension - check for loose or 6. Hood closed before entering cab. NOTE missing fasteners. Check damage Is it latched properly? to springs or other suspension Deflection should be one belt thick- 7. Check brake lines and hoses. parts such as cracks, gouges, ness for each foot distance between distortions, bulges or chafing. the pulley centers. 8. Check the steering components (pitman arm, draglink, power steering hoses, etc.).

(03/17) Y53-6060-1C1 1-33 START-UP

1 5. Brake Components - check lines, 9. Fluid Tanks (Fuel, DEF, etc.) - 11. Trailer Connections - are they linkages, chambers, parking and check underneath the vehicle for secure and the lines clear? If service brake operation. signs of fluid leaks. If any are they are not being used, are they found, correct before operating the 6. If your truck has hydraulic brakes, stored properly? vehicle. check: a. Is the trailer spare wheel 10. Fuel Tank Hardware - are the secure and inflated? ° the brake system for leaks tanks fill caps secure? Are the tank straps tight? Is the strap b. Is the landing gear up and the ° hydraulic lines for cracks or handle secured? kinks webbing in place? 12. Check the fifth wheel. Is the ° calipers for leaks WARNING! kingpin locked? 7. Air System - are there leaks? Diesel fuel in the presence of an ig- a. Is the sliding fifth wheel Air Tanks - drain water from all air nition source (such as a cigarette) locked? tanks. Make sure the drain cocks could cause an explosion. Do not re- are closed. This procedure is also move a fuel tank cap near an open Cab Interior - Daily required for air suspension tanks flame. Use only the fuel and/or addi- 1. Seat - adjust the seat for easy equipped with automatic drain tives recommended for your engine. reach of controls and visibility. valves. A mixture of gasoline or alcohol with For further details See Using the diesel fuel increases this risk of ex- 2. Seat Belts - fasten and adjust Brake System on page 4-24. plosion. Failure to comply may result safety restraint belts (which may in death, personal injury, equipment include restraints in the sleeper). 8. Steps and Handholds - check or property damage. See Refueling 3. Steering Column - adjust for easy for worn surfaces and loose or on page 4-67, for more information. missing fasteners (which includes reach and visibility. any fuel tank steps).

1-34 Y53-6060-1C1 (03/17) START-UP

air conditioner draws air from this Weekly Operations 4. Mirrors - check and readjust area and excessive dirt or pet hair 1 mirrors if necessary. 1. Battery - check battery and may shorten the service life of the terminals. 5. Lights - turn ignition key to the ON sleeper air conditioning air filter. position and check for warning 2. Wheel Cap Nuts - are they all lights and buzzer. Check operation The above items should be checked in place and torqued properly - of turn signals and emergency daily, as a minimum. They are in tighten if necessary. See Wheel lights. addition to, not in place of, Federal Cap Nut Torque on page 5-149. Motor Carrier Safety Regulations. 6. Instruments - check all These regulations may be purchased 3. Other Controls and Wiring - check instruments. by writing to: for condition and adjustment. 7. Windshield - check operation of 4. Steering Components - check windshield wipers and washers. Superintendent of Documents pitman arm, draglink, and power steering hoses, etc., for loose, 8. Horn - check operation of horn. U.S. Government Printing Office broken, or missing parts. 9. Fuel - check fuel. Is there enough Washington, DC 20402 5. HVAC Fresh Air Filter - check for fuel? condition and cleanliness. 10. Diesel Exhaust Fluid (DEF) - 6. Other Engine Compartment check level. Is there enough fluid? Checks 11. Sleeper air conditioning air filter - a. Check condition and fastening check the condition of the sleeper of engine belt, hoses, clamps, air conditioning air filter. Keep and radiator. the sleeper floor area behind the passenger front seat clear of debris and pet hair. The sleeper

(03/17) Y53-6060-1C1 1-35 START-UP

1 b. Check the air cleaner, muffler, and exhaust pipes. Are they tight and secure? c. Automatic transmission fluid (when applicable) - Check level, after the engine has warmed up to operating temperature.

1-36 Y53-6060-1C1 (03/17) EMERGENCY

WHAT TO DO IF... You Need Roadside Assistance...... 2-3 Low Air Alarm Turns On ...... 2-3 2 Stop Engine Lamp Turns On ...... 2-4 Engine Oil Pressure Lamp Turns On...... 2-4 Engine is Overheating ...... 2-5 Fuse or Relay Blows ...... 2-6 JUMP STARTING VEHICLES Introduction ...... 2-8 VEHICLE RECOVERY AND SPRING BRAKES Vehicle Recovery Guidelines ...... 2-12 Returning Vehicle to Service ...... 2-20 Spring Brakes—Manual Release ...... 2-20 Sand, Mud, Snow and Ice ...... 2-22 Towing the Vehicle ...... 2-23

(03/17) Y53-6060-1C1 2-1

WHAT TO DO IF...

WHAT TO DO IF... types of services offered, hours of Low Air Alarm Turns On operation and contact information. You Need Roadside • They can assist with jump and Assistance pull starts, tires, trailers, fines and permits, chains, towing, hazardous 2 clean-up, out of fuel (roadside), 1. Slow down carefully. mechanical repairs and preventive 2. Move a safe distance off the road maintenance services. and stop. • They have bilingual agents and 3. Place the transmission in access to a translation service neutral (park with automatic to ensure quality assistance transmissions, if equipped) and for customers who speak any set the parking brake. (Refer Call toll-FREE 1-800-4-PETERBILT language. to Parking Brake Valve on (1-800-473-8372) to talk to someone page 4-43 and Operating the at the PACCAR Customer Center. • They can’t answer your warranty questions but can get you in Transmission on page 4-22, for • Open 24-7-365 days a year contact with a Peterbilt dealer who transmission shifting and parking can. brake information.) • They can help you get roadside 4. Turn OFF the engine. assistance. • The PACCAR Customer Center service is FREE even if you don’t 5. Turn ON the emergency flasher They have a custom mapping • drive a Peterbilt. and use other warning devices to system which locates Peterbilt alert other motorists. dealers and Independent Service Providers (ISPs) near you and lists

(03/17) Y53-6060-1C1 2-3 WHAT TO DO IF...

Stop Engine Lamp Turns On Engine Oil Pressure Lamp WARNING! Turns On Stop Engine Lamp - If If the air pressure falls below 60 the Stop Engine warning lamp illuminates, it means Engine Oil Pressure Lamp psi (414 kPa) the spring brakes - If the oil pressure suddenly may stop the vehicle abruptly, which you have a serious engine 2 system problem. drops, or the audible alarm could cause an accident resulting and engine oil pressure in death or personal injury. Ob- warning light come on while driving, do the following: serve the red warning lamps on the WARNING! gauges. If one comes on, do not 1. Slow down carefully. continue to drive the vehicle until it This should be considered an emer- has been properly repaired or ser- gency. You should stop the vehicle 2. Move a safe distance off the road viced. as safely as possible and turn OFF and stop. the ignition. The vehicle must be 3. Place the transmission in park If the light and alarm do not turn off at serviced and the problem corrected and set the parking brake. startup, do not try to drive the vehicle before driving again. Failure to do (See Parking Brake Valve on until the problem is found and fixed. so may cause severe engine or DPF page 4-43 and Operating the (Refer to Using the Brake System on damage, or cause an accident which Transmission on page 4-22, for page 4-24, for more brake information.) may result in death or personal in- transmission shifting and parking jury. brake information.) 4. Turn OFF the engine. 5. Turn ON the emergency flasher and use other warning devices to alert other motorists.

2-4 Y53-6060-1C1 (03/17) WHAT TO DO IF...

Engine is Overheating parking brake. (See Parking Brake 6. Wait a few minutes to allow oil to Valve on page 4-43 and Putting drain into the engine oil pan, and The cooling system may overheat if the Vehicle in Motion on page then check the oil level. (See Oil the coolant level is below normal or if 4-19, for transmission shifting and Level Check on page 5-100, for there is sudden loss of coolant, such parking brake information.) Keep details on checking oil level.) as a split hose. The system may also the engine running. 2 7. Add oil if necessary. If the problem temporarily overheat during severe operating conditions such as: 2. Check to ensure the Oil Pressure persists, contact an authorized Gauge reads normal. dealer as soon as possible. • Climbing a long hill on a hot day 3. Make sure the engine fan is CAUTION • Stopping after high-speed driving turning by switching the Engine Fan Switch from AUTO to MAN Continuing to operate your vehicle If either one of the above occurs, DO (Manual). with insufficient oil pressure may NOT TURN OFF THE ENGINE unless: cause severe engine damage or 4. Increase the engine speed to a) the Low Water warning device cause an accident which may result about one-half of full operating indicates a loss of coolant, b) the Red in equipment or property damage. speed, or 1,100 to 1,200 rpm, Warning lamp (on the gauge) and maximum. Check Engine lamp comes ON, c) the It is important to maintain oil pressure Buzzer sounds showing an overheat 5. Return the engine speed to normal within acceptable limits. If oil pressure condition, or d) if you have any other idle after 2 or 3 minutes. drops below the minimum psi (kPa) a reason to suspect the engine may be 6. Monitor the engine temperature. Red Warning Lamp on the oil pressure overheating - follow these steps. gauge will illuminate and the Stop After the temperature returns to Engine Lamp will come ON. 1. Reduce engine speed and normal, allow the engine to idle stop. When stopped, place the 3 to 5 minutes before shutting it transmission in Neutral and set the

(03/17) Y53-6060-1C1 2-5 WHAT TO DO IF...

off. This allows the engine to cool Fuse or Relay Blows gradually and uniformly. WARNING! To reduce the chance of death, per- Fuses are located behind the drivers 7. If overheating came from side kick panel, below the ignition severe operating conditions, the sonal injury and/or vehicle damage from overheated engines, which can switch, and accessible by a door panel. 2 temperature should have cooled See Fuse Panel on page 5-88. by this time. If it has not, stop result in a fire, never leave the engine idling without an alert driver the engine and let it cool before WARNING! checking to see if the coolant is present. If the engine should over- low. heat, as indicated by the engine Do not replace a fuse with a fuse of a coolant temperature light, immedi- higher rating. Doing so may damage For further information on engine ate action is required to correct the the electrical system and cause a temperature and operating engines condition. Continued unattended fire. Failure to comply may result in properly, see the Engine Operation operation of the engine, even for death, personal injury, equipment or and Maintenance Manual and Starting a short time, may result in serious property damage. & Operating the Vehicle on page 4-5. engine damage or a fire. Check the coolant level after each CAUTION trip when the engine has cooled. WARNING! The coolant level should be visible Before replacing a fuse, turn OFF all Do not remove the radiator fill cap within the surge tank—add coolant if lights and accessories and remove while the engine is hot. Scalding necessary. See Topping Off in Engine the ignition key to avoid damaging steam and fluid under pressure may Cooling System on page 5-80, for the electrical system. escape. You could be badly burned. instructions on checking and filling the Failure to comply may result in death coolant expansion tank. or personal injury.

2-6 Y53-6060-1C1 (03/17) WHAT TO DO IF...

Fuse Inspection and Replacement CAUTION If it is blown, replace it with a fuse of All the electrical circuits have fuses the same rating. Never patch fuses with tin foil or to protect them from a short circuit or wire. This may cause serious dam- overload. If something electrical on If a fuse of the same rating is not age elsewhere in the electrical cir- your chassis stops working, the first available, a fuse of a lower rating may 2 cuit, and it may cause a fire. thing you should check for is a blown be temporarily substituted. You can fuse. also use a fuse from a circuit you can CAUTION do temporarily without (for example an 1. Turn OFF all lights and accessories accessory circuit or radio). If a circuit keeps blowing fuses, have and remove the ignition key to the electrical system inspected for a avoid damaging the electrical CAUTION short circuit or overload by an au- system. thorized dealer as soon as possible. When replacing a failed circuit Failure to do so could cause seri- 2. Determine from the chart on the breaker, always use an approved ous damage to the electrical system fuse panel which fuse controls that circuit breaker with a current rat- and/or vehicle. component. ing equal to or less than the circuit 3. Remove that fuse and see if it is breaker being replaced. Only use blown. the approved Type II modified reset circuit breakers. NEVER use a Type I (automatic reset) or Type III (manual reset) circuit breaker. A fuse with a current rating equal to or less than the circuit breaker being replaced can also be used. 1 Blown

(03/17) Y53-6060-1C1 2-7 JUMP STARTING VEHICLES

JUMP STARTING metal jewelry and avoid leaning over VEHICLES WARNING! the battery. Never jump start a battery near fire, Introduction flames, or electrical sparks. Bat- 2 teries generate explosive gases Jump starting a vehicle is not a that could explode. Keep sparks, recommended practice due to the flame, and lighted cigarettes away various battery installations and from batteries. Failure to comply electrical options. may result in death, personal injury, equipment or property damage. However, if your battery is discharged (dead), you may be able to start it WARNING! by using energy from a good battery in another vehicle. This is termed Never remove or tamper with battery jump starting. Be sure to follow the caps. Ignoring this could allow bat- precautions and instructions below. tery acid to contact eyes, skin, fab- rics, or painted surfaces. Failure to WARNING! comply may result in death, personal injury, equipment or property dam- Batteries contain acid that can burn age. and gasses that can explode. Ignor- ing safety procedures may result in death, personal injury, equipment or Be careful that metal tools (or any property damage. metal in contact with the positive terminal) do not contact the positive battery terminal and any other metal on the vehicle at the same time. Remove

2-8 Y53-6060-1C1 (03/17) JUMP STARTING VEHICLES

To Jump Start Your Vehicle Preparing the vehicles: CAUTION 1. Remove any personal jewelry WARNING! Improper hook-up of jumper cables that may come in contact with the When jump starting using a battery or not following these procedures battery terminals. booster, it is best to jump start with can damage the alternator or cause 2 an equivalently powered vehicle. serious damage to both vehicles. 2. Select a jumper cable that is long Verify that the booster battery has enough to attach to both vehicles in a way that ensures neither the same volt and CCA specifica- WARNING! tions as the dead battery before vehicle touches each other. Heed all warnings and instructions attempting to jump start. Failure 3. Position the two vehicles together, of the jumper cable manufacturer. to comply may cause an explosion but do not allow them to touch. resulting in death, personal injury, Failure to comply may result in equipment or property damage. death, personal injury, equipment or 4. Turn OFF all lights, heater, radio, property damage. and any other accessory on both vehicles. CAUTION 5. Set the parking brakes: pull out Applying a higher voltage booster the Yellow button located on the battery may cause expensive dam- dash. age to sensitive electronic components, such as relays, Electronic 6. Shift the transmission into park Control units or electronics in gen- position or neutral for manual eral. Failure to comply may result in transmissions. (See Operating equipment damage. the Transmission on page 4-22 and Parking Brake Valve on page 4-43, for transmission shifting and parking brake information.)

(03/17) Y53-6060-1C1 2-9 JUMP STARTING VEHICLES

Connect the batteries: 7. If either vehicle is equipped with 6. Start the vehicle that has the battery disconnects ensure they 1. Attach one end of a jumper cable good battery first. Let it run for 5 are in the "OFF" position prior to to the positive (+) terminal of the minutes. connecting the two vehicles. discharged (dead) battery. This 7. Start the vehicle that has the will have a large red + or P on the 2 discharged (dead) battery. battery case, post, or clamp. 2. Attach the other end of the same If the engine fails to start, do not cable to the positive (+) terminal continue to crank the starter but of the good (booster) battery. contact the nearest authorized dealer. 3. Attach the remaining jumper cable FIRST to the negative (-) terminal (black or N) of the good battery. 4. Attach the other end of the negative cable to a bare metal part not bolted to the engine block.

NOTE Always connect positive (+) to positive (+) and negative (-) to negative (-).

5. If either vehicle is equipped with battery disconnects, ensure that they are in the "ON" position.

2-10 Y53-6060-1C1 (03/17) JUMP STARTING VEHICLES

Remove jumper cables:

WARNING! When disconnecting jumper cables, make sure they do not get caught in 2 any moving parts in the engine compartment. Failure to comply may result in death, personal injury, equipment or property damage.

Reverse the above procedure exactly when removing the jumper cables. With engine running, disconnect jumper cables from both vehicles in the exact reverse order, making sure to first remove the negative cable from the vehicle with the discharged battery.

(03/17) Y53-6060-1C1 2-11 VEHICLE RECOVERY AND SPRING BRAKES

VEHICLE RECOVERY the lubricant in the top front of the AND SPRING BRAKES drive axle will drain to the rear. This CAUTION will leave the top components dry. The If your vehicle has a Meritor axle resulting friction may damage them. Vehicle Recovery Guidelines with a driver-controlled main differ- Always remove the main drive axle ential lock, install the caging bolt be- 2 shafts before towing your vehicle. Your vehicle is equipped with fore removing the axles for towing, removable Recovery Hitches, see Driver Controlled Main Differen- CAUTION designed for short distance recovery tial Lock on page 2-16. Installing purposes only. Use only the provided Remove the drive axle shafts or lift the caging bolt prevents damage by hitches, according the following the driving wheels off the ground be- locking internal axle components in instructions. When using this fore towing the vehicle. Towing the position. connection, do not transport your vehicle with either the wheels on the vehicle over long distances. (If your ground or the axle shafts in the axles CAUTION vehicle does not have the proper will cause damage to the axle gears. hitches, contact your dealer.) Connect only to the Recovery Hitches, see Vehicle Recovery All lubricating and clutch application Guidelines on page 2-12. Connec- oil pressure is provided by an tions to other structural parts could engine-driven pump, which will not damage the vehicle. Do not attach work when the engine is stopped. to bumpers or brackets. Use only You could seriously damage your equipment designed for this pur- vehicle by towing it with the driveline pose. Failure to comply may result connected and the drive wheels on in equipment damage. the ground. Worse, when vehicles are towed, either by wrecker or piggyback,

2-12 Y53-6060-1C1 (03/17) VEHICLE RECOVERY AND SPRING BRAKES

Recovery Procedure the vehicle’s air system is connected to that of the recovery 1. Review and understand all the vehicle. Ensure that any air line cautions and warnings of this that has been removed from a section, see Vehicle Recovery driver-controlled main differential Guidelines on page 2-12. lock is firmly capped to prevent 2 2. Install the recovery hitches, see loss of air pressure from the Recovery Hitch Installation on recovery vehicle if it is supplying page 2-15. air pressure. If you don’t desire to use the 3. Disconnect the drive axle shafts recovered vehicle’s brakes, and cover the open hubs. This ensure that you cage the spring is necessary because if the brakes before attempting to move transmission is driven by the the vehicle, see Driver Controlled driveshaft (rear wheels on the Main Differential Lock on page ground), no lubricant will reach 2-16. the gears and bearings, causing damage to the transmission. 1 Recovery Hitch Sockets 4. Install the recovery rigging using a safety chain system, see Recovery Rigging on page 2-19. 5. Make sure the recovered vehicle's parking brakes are released. 6. If you desire to use the recovered vehicle’s brakes, ensure that

(03/17) Y53-6060-1C1 2-13 VEHICLE RECOVERY AND SPRING BRAKES

Recovery Hitch Connection Recommended Practice #602–B WARNING! • — "Recovery Attachment Points Specially designed hitches are Before towing a vehicle, test your air For Trucks, Tractors, and required to recover your vehicle. The brakes to ensure that you have prop- Combination Vehicles." recovery hitches attach to the frame, erly connected and inspected the re- 2 see Recovery Hitch Assembly on page covery vehicle’s brake system. Fail- • Recommended Practice #626 2-15. ure to do so could lead to a loss of — "Heavy Duty Truck Towing Procedures." vehicle control which may result in an Two hitch assemblies, made up of the accident involving death or personal following parts, are recommended for injury. Copies of these can be obtained from the following address: the proper recovery of your vehicle: see Recovery Hitch Assembly on page 7. Follow state/provincial and local Technology & Maintenance Council 2-15. laws that apply to vehicles in tow. 950 N. Glebe Road 8. Do not tow vehicles at speeds in WARNING! (703) 838-1763 excess of 55 mph (90 km/h). Arlington, VA 22203 Do not use parts from other trucks or materials from other sources to re- For additional information concerning Email: [email protected] pair a hitch or to replace a missing heavy duty truck recovery, refer to the http://tmc.truckline.com hitch. The parts provided for recov- following Technology & Maintenance ery are made of high strength still Council (TMC) literature. specifically designed for vehicle re- • Recommended Practice #602–A covery. Failure to use the correct — "Front Towing Devices For factory equipment may result in an Trucks and Tractors." accident involving death or personal injury.

2-14 Y53-6060-1C1 (03/17) VEHICLE RECOVERY AND SPRING BRAKES

Recovery Hitch Installation Driver Controlled Main Differential If your vehicle is not equipped with the proper recovery hitch assembly, Use the following procedure to install Follow these steps to lock a contact an authorized dealer to obtain the Vehicle Recovery Hitches. See driver-controlled main differential. the proper equipment. Recovery Hitch Assembly illustration for part identification. WARNING! 2 1. Check square sockets behind An open air line on the recovered lower bumper for obstructions, vehicle will cause a leak in the air clear if necessary. system of the recovery vehicle if both vehicles’ brake systems are 2. With lock pins removed, insert connected. This could cause a loss hitches through bumper and into of system air, which can cause the the square hitch socket. service brakes not to function, re- 3. Align the hole in the tow hitch with sulting in the sudden application of the square hitch socket hole. the spring brakes causing wheel lock-up, loss of control, or overtake 4. Insert the lock pin into the square by following vehicles. You could hitch socket hole and through Recovery Hitch Assembly be in an accident involving death the hole in the tow hitch until the or personal injury. Ensure that any 1 Tow Pin lock tab is within the square hitch air line that has been removed from 2 Tow Hitch socket. a driver-controlled main differential 3 Square Hitch Socket 5. Rotate the lock pin 90 degrees to lock is firmly capped to prevent loss 4 Lock Pin secure the pin in place. of air pressure from the recovery 5 Lock Tab vehicle if it is supplying air pressure. 6. Remove the hitches and store all parts after recovering the vehicle.

(03/17) Y53-6060-1C1 2-15 VEHICLE RECOVERY AND SPRING BRAKES

CAUTION CAUTION Failure to lift the driving wheels off Water, dirt and other material can the ground or remove the driveline enter an open hub or axle. This 2 and axle shafts before towing the ve- can contaminate the axle fluid and hicle could seriously damage your cause possible damage to compo- vehicle. All lubricating and clutch ap- nents. Ensure that the hubs are cov- plication oil pressure is provided by ered with plastic whenever a drive an engine-driven pump, which does axle shaft is removed. not work when the engine is stopped. When vehicles are towed either by 3. For vehicles with driver-controlled wrecker or piggyback, lubricant in the main differential lock, install the top front of the drive axle will drain to caging bolt before removing the Driver Controlled Main Differential the rear. This will leave the top com- axle shafts for towing. Lock ponents dry, resulting in friction that a. Remove the air line and firmly will seriously damage these compo- 1 Air Line (remove to install cap. nents. Caging Bolt) 2 Caging Bolt (in storage b. Remove the caging bolt from 2. Cover open hubs when removing its storage hole. location) drive axle shafts. 1. Lift driving wheels off the ground c. Screw the caging bolt into or remove the driveline and axle the air line hole. When shafts before towing the vehicle. fully engaged, a 0.25 - 0.5 in. (6.35-12.7 mm) space will remain between the air cylinder and the bolt head.

2-16 Y53-6060-1C1 (03/17) VEHICLE RECOVERY AND SPRING BRAKES

This action will lock the differential by pushing a piston CAUTION CAUTION into a "lock" position. A recovered vehicle will have no op- Connect recovery rigging only to erational brake system. Additionally, hitches intended for that purpose. CAUTION the rear axle spring brakes will prob- Do not attach to bumpers or brack- 2 Failure to install the caging bolt when ably be applied. ets. Connections to other structural towing vehicles with driver-control parts could damage the vehicle. • If you desire to use the recovered main differential lock can result in vehicle’s brakes, ensure that the damage by failing to lock internal vehicles air system is connected components in position. to that of the recovery vehicle. Also ensure that any air line WARNING! that has been removed from a Ensure there are no open air lines driver-controlled main differential on the recovered vehicle if the re- lock is firmly capped to prevent covery vehicle and recovered vehicle loss of air pressure from the brake systems are connected. An recovery vehicle. open air line on the recovered vehi- • If you don’t desire to use the cle will cause a leak in the air brake recovered vehicle’s brakes, system of the recovery vehicle pos- ensure that you cage the spring sibly causing death, personal injury, brakes before attempting to equipment or property damage. move the vehicle.

4. Install recovery hitches and rigging.

(03/17) Y53-6060-1C1 2-17 VEHICLE RECOVERY AND SPRING BRAKES

Recovery Hitch Capacities CAUTION The maximum rated loads for vehicle recovery varies depending on the Recovery pull maximums assume direction or angle of pull. These the tow rigging evenly distributes the 2 capacities are listed in the table below load between both recovery hitches. and are for the two hitches working See examples in Recovery Rigging together, simultaneously. on page 2-19 for details. Serious damage to the vehicle may occur if Hitch Capacities rigging is not connected properly.

MAXIMUM DIRECTION OF CAPACITY CAUTION PULL (Lb) * When recovering ditched or bogged Directly Forward 80,000 vehicles, stay well below Maximum Directly Vertical or 14,600 Capacities. Even at loads below Horizontally to the maximum, the physical strain of re- Side covering a vehicle could damage 45º in any Direction 20,000 axles, suspensions, fifth wheels, * Both hitches pulled simultaneously. etc.

2-18 Y53-6060-1C1 (03/17) VEHICLE RECOVERY AND SPRING BRAKES

Recovery Rigging • Never loop a single chain or cable cable no closer than 6 ft. from the through both hitches (3). vehicle (2). To connect to the vehicle, follow the suggested rigging methods below. • Use a spreader or equalizer bar to distribute the load on both hitches • Use a double chain or cable setup (1). 2 that distributes the load equally to both hitches. See 1 or 2 in • If no spreader bar is available, Recovery Rigging illustration. connect the main tow chain or

1. Spreader Bar or Equalizer 2. Minimum 6 FT. 3. NEVER USE SINGLE CHAIN OR CABLE Preferred Acceptable LOOPED THROUGH TOW DEVICES

(03/17) Y53-6060-1C1 2-19 VEHICLE RECOVERY AND SPRING BRAKES

Returning Vehicle to Service Spring Brakes—Manual Release The brakes can be released in this You will have to add lubricant to manner should the pressure in the air prevent damage after your vehicle has Recovering a vehicle requires that you system not be enough to release them. been towed. release the parking brakes. There may This may occur in instances where 2 the engine's air compressor is not 1. Into the pinion cage, add 1 pint be times when there is not enough air able to get the system up to operating (.47 liter) of lubricant or into the pressure to release the parking brakes. pressure. interaxle differential, add 2 pints In such cases, the parking brakes (.94 liter) of approved lubricant. (or Spring Brakes) can be manually released. WARNING! 2. After adding the specified type Do not disassemble a spring brake and amount of lubricant, drive the WARNING! chamber. These chambers con- vehicle. It should be unloaded. Do not drive vehicle with malfunc- tain a powerful spring that is com- Drive 1 to 2 miles (1.5 to 3 km) tioning brakes. If one of the brake pressed. Sudden release of this at a speed lower than 25 mph circuits should become inoperative, spring may result in death or per- (40 km/h). This will thoroughly braking distances will increase sub- sonal injury. circulate the lubricant through the stantially and handling characteris- assembly. tics while braking will be affected. You could lose control of your vehicle or cause an accident. Have it towed to the nearest dealer or qualified repair facility for repair. Failure to comply may result in death, personal injury, equipment or property damage.

2-20 Y53-6060-1C1 (03/17) VEHICLE RECOVERY AND SPRING BRAKES

pressure in the brake system, perform WARNING! the following procedure: 4. Insert the release stud through the opening in the spring Do not operate a vehicle when the 1. Remove the spring brakes have been manually chamber where the cap from the spring cap was removed. released. Driving a vehicle after its chamber. Insert it into the 2 spring brakes are manually released pressure plate. Turn is extremely dangerous. The brakes the release stud 1/4 turn clockwise in the may not function. Failure to comply pressure plate. This may result in death, personal injury, 2. Remove the secures the cross equipment or property damage. release stud pin into the cross pin assembly from the area of the pressure side pocket, and plate and locks it into WARNING! remove the release the manual release nut and washer from position. Always secure the vehicle with the release stud. wheel chocks, chains, or other 5. Assemble the safe means to prevent rolling be- 3. Slide out the release stud washer fore manually releasing the spring release stud. and nut on the release stud. brakes. Releasing the spring brakes on an unsecured vehicle could lead to an accident. The vehicle could roll, which may result in death, personal injury, equipment or property damage.

To move a vehicle immobilized by the spring brakes due to loss of air

(03/17) Y53-6060-1C1 2-21 VEHICLE RECOVERY AND SPRING BRAKES

Sand, Mud, Snow and Ice 6. With a wrench, WARNING! turn the release stud If the vehicle gets stuck in sand, assembly nut until the Do not spin the wheels faster than compression spring mud, snow, or ice: 35 mph (55 km/h). Spinning a tire at is 90-95 percent speedometer readings faster than 2 caged. While doing • Move the gearshift lever or this, check to make selector from First to Reverse. 35 mph (55 km/h) can be dangerous. sure the push rod Tires can explode from spinning too (adapter push rod Apply light pressure on the fast. Under some conditions, a tire or service push • rod) is retracting. accelerator pedal while the may be spinning at a speed twice Do not over-torque transmission is in gear. that shown on the speedometer. the release stud Any resulting tire explosion could assembly. (S-Cam • Remove your foot from the type maximum: 50 cause death or personal injury to a lb-ft, Wedge type accelerator while shifting. bystander or passenger, as well as maximum: 30 lb-ft). extensive vehicle damage: includ- The spring brake is • Do not race the engine. now mechanically ing tire, transmission and/or rear released. • For best traction and safety, avoid axle malfunction. spinning the wheels. Comply with the following instructions to avoid transmission damage: • Always start vehicle in motion with the shift lever in first gear.

2-22 Y53-6060-1C1 (03/17) VEHICLE RECOVERY AND SPRING BRAKES

• Be sure that transmission is fully Towing the Vehicle • If towing from the front, ensure engaged in gear before releasing that the rear axles are prepared Towing the vehicle should be done the clutch pedal (manual only). for towing. by either an authorized dealer • Do not shift into reverse while the or a commercial vehicle towing • If towing from the rear, ensure vehicle is moving. service. The dealer or commercial that all body components such as 2 towing service will have the necessary roof, side and chassis fairings are • If the vehicle needs to be equipment to safely tow the vehicle and secured properly to avoid damage recovered from being stuck, do not should be able to make arrangements while in transit. permit the vehicle to be towed for to limit any damage to the vehicle. The long distances without removing towing service and the dealer should WARNING! the driveshaft. be aware of towing regulations and Secure the roof, side and chassis safety precautions. Tire Chains fairings while towing from the rear. The towing service will ensure that the An unsecured fairing may come off If you need tire chains, install them on following precautions are taken: of the vehicle during transit. Failure both sides of the driving axle. to secure the fairings while towing • Use of a safety chain system. may cause an injury accident result- CAUTION ing in death or personal injury. • Abide by all local towing Chains on the tires of only one tan- regulations. dem axle can damage the driveline U-joints and the interaxle differen- • Ensure that the towing device tial. Repairs could be costly and does not contact any surfaces that time-consuming. Failure to comply could be damaged while in transit. may result in equipment damage.

(03/17) Y53-6060-1C1 2-23

CONTROLS

INSTRUMENT PANEL Instruments and Controls ...... 3-5 Menu Control Switch (MCS) ...... 3-8 WARNING SYMBOLS Standard Warning Lights and Audible Alarm . . . . 3-9 Warning Light / Indicator Symbols ...... 3-11 3 Description of Warning Symbols ...... 3-19 DRIVER INFORMATION DISPLAY Introduction ...... 3-25 STANDARD GAUGES Introduction ...... 3-31 Speedometer...... 3-31 Odometer / Trip Meter ...... 3-32 Tachometer ...... 3-32 Engine Hours / Outside Air Temperature . . . . . 3-33 Engine Oil Pressure Gauge ...... 3-34

(03/17) Y53-6060-1C1 3-1 CONTROLS

Water Temperature Gauge ...... 3-35 Fuel Gauge ...... 3-36 Diesel Exhaust Fluid (DEF) Gauge ...... 3-37 Primary (Secondary) Air Pressure Gauge (Air Reservoir) ...... 3-37 OPTIONAL GAUGES 3 Introduction ...... 3-39 Forward Drive Axle Temperature Gauge . . . . . 3-39 Rear Drive Axle Temperature Gauge ...... 3-40 STEERING COLUMN-MOUNTED CONTROLS Steering Column Controls ...... 3-41 Horn ...... 3-46 DASH- AND DOOR-MOUNTED CONTROLS Ignition Switch ...... 3-47 Hazard Flasher ...... 3-47 Daytime Running Lights ...... 3-48 Panel Light Dimmer ...... 3-49 ID and Clearance Lights Switch ...... 3-49

3-2 Y53-6060-1C1 (03/17) CONTROLS

Dome Light ...... 3-49 Fog Lights Switch ...... 3-50 Air Suspension Deflate Switch (Dump Valve) . . 3-50 Cruise Control Switch ...... 3-51 Regeneration Switch ...... 3-52 Power Mirror Switch ...... 3-53 Mirror Heat Switch ...... 3-54 3 Power Window Switch ...... 3-54 Power Door Lock Switch ...... 3-55 Jacobs Engine Brake or Cummins "C" Brake Switch 3-55 Interaxle Differential Lock Switch ...... 3-56 Two-Speed Rear Axle (Range) Switch ...... 3-56 Fifth Wheel Lock (Slider Adjustment) Switch . . . 3-57 Parking Brake Valve and Trailer Air Supply Valve . 3-57 Power Port ...... 3-60 Cupholders/Ashtray ...... 3-60 Shift Pattern Display...... 3-61

(03/17) Y53-6060-1C1 3-3 CONTROLS

HEATING AND AIR CONDITIONING Cab Controls ...... 3-62 Introduction ...... 3-63 Manual Controls ...... 3-65 ACCESSORIES 3 Navigation System ...... 3-69 Radio ...... 3-70 Glove Compartment ...... 3-70 Vehicle Telematic System ...... 3-71

3-4 Y53-6060-1C1 (03/17) INSTRUMENT PANEL INSTRUMENT PANEL

Instruments and Controls

The dash includes standard gauges and switches. Your vehicle may come with all or some of the switches and gauges discussed here. The location of switches on the dash will vary 3 depending on the options ordered and how your vehicle was configured.

(03/17) Y53-6060-1C1 3-5 INSTRUMENT PANEL

1. Engine Oil Pressure 9. Water Temperature 17. Cruise Control On/Off 2. DEF Gauge 10. Headllights 18. Cruise Control Select 3. Fuel Level 11. Clearance Lights 19. Menu Control Switch 4. Tachometer 12. Hazard Switch 20. Ignition 5. Driver Information Display 13. Optional 6. Speedometer 14. Optional 7. Primary Air Pressure 15. Panel Lights 8. Secondary Air Pressure 16. Engine Fan

3-6 Y53-6060-1C1 (03/17) INSTRUMENT PANEL

1. Radio 8. Optional Electric Switch* *These switches are not 2. Storage or Optional 9. Optional Electric Switch* shown. These switch Navigation 10. Park Brake Controls locations are available only 3. HVAC Controls 11. Transmission Display if the automatic transmission 4. Emission Controls (Automatic) selector is not mounted (item 5. Engine Brake (on/off) 12. Optional Air Switch 11). (Optional) 13. Optional Air Switch 6. Engine Brake (Select) 14. Optional Air Switch (Optional) 15. Optional USB Port 7. Optional Electric Switch* 16. Optional Switch

(03/17) Y53-6060-1C1 3-7 INSTRUMENT PANEL

Menu Control Switch (MCS)

The MCS is used to navigate the Driver Information Display unit. The Menu Control Switch is located on the D Panel as shown in the illustration below.

The MCS has the following functions: • Rotating the MSC ° Selecting display ° Setting values • Pushing the MSC ° Confirming desired selection

3-8 Y53-6060-1C1 (03/17) WARNING SYMBOLS

WARNING SYMBOLS are active, the menu control switch (MCS) can be used to scroll through Standard Warning Lights the additional warnings. and Audible Alarm 2. Status Indicator: Additional lights and indicator symbols are displayed in The warning lights and audible alarm the Status Indicator. They are limited may indicate a system malfunction. to: Check the lights frequently, and respond properly as soon as you see • Park Brake 3 one go on. These lights could save you from a serious accident. 1. Driver Information Display • Transmission Gear (Automatic 2. Status Indicator transmissions only) WARNING! 3. Lower Light Bar • Warnings Do not ignore a warning light or Warning lights and indicator symbols • Cruise Control - active audbile alarm. These signals tell will be shown in both areas 1 and 2. you something is wrong with your Area 3 is dedicated to the turn and • Clock alarm bell vehicle. It could be a failure in high beam indicator symbols. an important system, such as the Refer to Warning Light/Indicator brakes, which could lead to an acci- 1. Driver Information Display: The Symbols on page 3-11 for information dent. Have the appropriate system display can show up to six warning on each symbol. checked immediately. lights. Warnings do not have fixed positions and are displayed in order of criticality. The most critical warning will be displayed on the top row and to the left. If more than six warnings

(03/17) Y53-6060-1C1 3-9 WARNING SYMBOLS

Instrument System Self Test: Audible Alarm: Completing this sequence will indicate When the ignition switch is turned a successful Self Test. Have your The audible alarm will sound during on the instrumentation system will instrumentation system checked by a the Instrumentation System Self Test. undergo a Self Test. This test will qualitfied service technician if does not The audible alarm will also sound in verify the operation of the gauges and successfully complete. conjunction with some warning lights. warnings. These events include but are not limited to headlight on, fifth wheel, stop During the Instrumentation System Self engine, primary/secondary air, and 3 Test, three screens will sequentially driver door open warnings. display warning icons (approximately 3 seconds each screen) on the Information Display. These are:

Refer to Warning Light/Indicator Symbols on page 3-11 for information on each symbol.

3-10 Y53-6060-1C1 (03/17) WARNING SYMBOLS

Optional Lights: Warning Light / Indicator • whether the symbol is standard Symbols Additional lights may be operational (Std) or optional (Opt) depending on individual vehicle The following is a list of Warning Light • whether the symbol has an specifications. These will be included / Indicator Symbols. Reading left to associated check message in the Instrument System Self Test. right, the table header identifies: • the Page Number reference for NOTE • the Symbol Name additional information Some optional lights may illumi- • the appearance of the Symbol Symbols are listed by major component 3 nate even though your vehicle is not sections. equipped with that particular fea- • the Symbol Color when it is illuminated ture. Example: Engine, and then in alphabetical order.

Warning Light/Indicator Symbols

Std/ Symbol Name Symbol Color Msg Page Opt

1. Active Warnings, Exclamation Point Red Std on page 3-19

2. Active Warnings, Number Yellow Std on page 3-19

(03/17) Y53-6060-1C1 3-11 WARNING SYMBOLS

Std/ Symbol Name Symbol Color Msg Page Opt

3. Active Warnings, Triangle Yellow Std on page 3-19

4. Alternator Red Opt on page 3-19 3

5. Anti-Lock Brake System (ABS) Yellow Std on page 3-19

6. Anti-Lock Brake System (ABS), Trailer Yellow Std on page 3-19

7. Axle, Inter-Axle Differential Locked (Tandem Axles) Yellow Std on page 3-20

8. Axle, Stability Control Yellow Std on page 3-20

3-12 Y53-6060-1C1 (03/17) WARNING SYMBOLS

Std/ Symbol Name Symbol Color Msg Page Opt

9. Axle, Traction Control Yellow Std on page 3-20

10. Brake System Opt on page 3-21 3

11. Clock, Alarm Bell Yellow Std on page 3-21

12. Cruise Control, Active Yellow Std on page 3-21

13. Dump Truck, Body Up Yellow Opt on page 3-21

14. Dump Truck, Trailer Body Up Yellow Opt on page 3-21

(03/17) Y53-6060-1C1 3-13 WARNING SYMBOLS

Std/ Symbol Name Symbol Color Msg Page Opt

15. Emissions, Diesel Particulate Filter (DPF) Yellow Std on page 3-21

16. Emissions, High Exhaust System Temperture (HEST) Yellow Std on page 3-21 3

17. Emissions, Malfunction Indicator Lamp (MIL) Yellow Std on page 3-21

18. Engine, Check Engine Yellow Std on page 3-21

19. Engine, Ether Start Green Opt on page 3-21

20. Engine, Heater Yellow Opt on page 3-22

3-14 Y53-6060-1C1 (03/17) WARNING SYMBOLS

Std/ Symbol Name Symbol Color Msg Page Opt

21. Engine, Low Coolant Level Yellow Std on page 3-22

22. Engine, Overspeed Red Opt on page 3-22 3

23. Engine, Retarder (Brake) Green Opt on page 3-22

24. Engine, Stop Engine Red Std on page 3-22

25. Engine, Wait To Start Yellow Opt on page 3-22

26. Fifth Wheel, King Pin Lock Red Opt on page 3-22

(03/17) Y53-6060-1C1 3-15 WARNING SYMBOLS

Std/ Symbol Name Symbol Color Msg Page Opt

27. Fifth Wheel, Slide Unlocked Red Std on page 3-22

28. Lights, High Beam Blue Std on page 3-22 3

29. Message Waiting Green Opt on page 3-23

30. Park Brake Red Std on page 3-23

31. Power Take-off (PTO) Green Opt on page 3-23

32. Power Take-off (PTO), Pump Mode Green Opt on page 3-23

3-16 Y53-6060-1C1 (03/17) WARNING SYMBOLS

Std/ Symbol Name Symbol Color Msg Page Opt

33. Refrigerator Green Opt on page 3-23

34. Seat Belt, Fasten Red Std on page 3-23 3

35. Suspension Dump Yellow Std on page 3-23

36. Tire Inflation Yellow Opt on page 3-23

37. Transmission, Auxiliary Yellow Opt on page 3-23

38. Transmission, Check Red Opt on page 3-23

(03/17) Y53-6060-1C1 3-17 WARNING SYMBOLS

Std/ Symbol Name Symbol Color Msg Page Opt

39. Transmission, Range Inhibit Red Opt on page 3-24

40. Transmission, Oil Filter Yellow Opt on page 3-24 3

41. Transmission, Oil Temperature High Yellow Opt on page 3-24

42. Turn Signal, Left Green Std on page 3-24

43. Turn Signal, Right Green Std on page 3-24

44. Voltage Orange Std on page 3-24

3-18 Y53-6060-1C1 (03/17) WARNING SYMBOLS

Description of Warning Symbols 4. Alternator Illuminates during the Instrumentation System Self Test and the tractor/truck 1. Active Warnings, Exclamation is connected with a ABS equipped Point Illuminates if the alternator is not trailer. charging. (For alternators with warning Illuminates during normal operating Illuminates when a red warning is lamp output signal.) conditions to indicate a problem with active. Use the MCS knob to view the 5. Anti-Lock Brake System the Trailer ABS System. This should warnings that are active. (ABS) be checked by a Peterbilt dealer as 3 soon as possible. 2. Active Warnings, Number Illuminates during the Instrumentation System Self Test. Have the ABS system checked by a Peterbilt dealer Illuminates the total number of red if the ABS Warning Lamp stays on for and yellow active warnings. Use the more than 3 seconds. MCS to view the active warnings if the display shows a > symbol. Illuminates during normal operating conditions to indicate a problem with 3. Active Warnings, Triangle the ABS System.

Illuminates when a problem exists Illuminates when a yellow warning is with the optional Wheel Spin Control active. Use the MCS knob to view the feature. warnings that are active. 6.Anti-Lock Brake System (ABS), Trailer

(03/17) Y53-6060-1C1 3-19 WARNING SYMBOLS

differentials equally. When the switch • Illuminates when the ESC system NOTE is turned off (inter-axle differential is regulating individual wheel • Tractors/Trucks and trailers unlocked) the engine power is allowed brakes to correct the vehicle’s built after 3/1/01 must be to flow to any of the 4 drive tires based direction of travel. able to turn on an In-Cab on the differential effect (mostly to the Trailer ABS Warning Lamp forward rear differential). (This feature 9. Axle, Traction Control (ATC (per U.S. FMVSS121). The is standard on all tandem axles). or Automatic Traction Control) industry chose Power Line Communication (PLC) as the 8. Axle, Stability Control (ESC 3 or Electronic Stability Control) Watches vehicle’s wheel speeds standard method to turn it on. to detect slippage and may reduce engine power, or apply vehicle brakes, • On trailers built prior to 3/1/01 Calculates the driver’s intended to help increase traction. verify trailer ABS system status path of travel from wheel speed and via the required external warning steering angle sensors, then compares • Illuminates during the power-on lamp mounted on the trailer. calculations to the actual direction of self-test when the ignition is The indicator lamp on the trailer travel. The system uses individual turned ON. It turns off after a few should be yellow and identified wheel brakes to re-adjust the path of seconds if no system problems with the letters "ABS". the vehicle. are detected. If an ATC problem is detected, the ATC warning lamp Illuminates during the power-on 7. Axle, Inter-Axle Differential • will turn on and stay on. Locked (Tandem Axles) self-test when the ignition is turned ON. It turns off after a few • Illuminates when the ATC is seconds if no system problems regulating wheel spin and turns off Illuminates when the inter-axle are detected. If an ESC problem after the traction control event has differential switch is ON thus locking is detected, the ESC warning lamp ended. the inter-axle differential. This powers will turn on and stay on. the forward rear and the rear rear

3-20 Y53-6060-1C1 (03/17) WARNING SYMBOLS

• Flashes continuously when the Illuminates when Truck Dump Body is 17. Emissions, Malfunction Indicator Lamp (MIL) ATC/ Deep Snow & Mud switch up. is turned on, indicating that this feature is active. 14. Dump Truck, Trailer Body Illuminates when an engine emissions Up failure has occurred. The vehicle 10. Brake System can be safely driven but should be Illuminates when Trailer Dump Body serviced to correct the problem. The is up. situation should not be considered Illuminates to indicate a malfunction an emergency. In some cases, the 3 in the hydraulic brake system (when 15. Emissions, Diesel Malfunction Indicator Lamp will activate equipped with Hybraulic brakes). Particulate Filter (DPF) in conjunction with the High Exhaust Temperature, Diesel Particulate Filter 11. Clock, Alarm Bell Illuminates when diesel particulate (DPF) and Diesel Exhaust Fluid (DEF) trap is plugged. This warning will also Warning Lights. illuminate when regeneration operation Illuminates when the alarm is set. It will is disabled. 18. Engine, Check Engine flash when the clock alarm is active. 16. Emissions, High Exhaust System Temperture (HEST) Illuminates when a problem exists, but 12. Cruise Control, Active the vehicle can still be safely driven. Vehicle should be serviced to correct Illuminates when the exhaust gas the problem but the situation should Illuminates when cruise control is temperature and exhaust components not be considered an emergency. active. become extremely hot.

13. Dump Truck, Body Up 19. Engine, Ether Start

(03/17) Y53-6060-1C1 3-21 WARNING SYMBOLS

Illuminates when ether start switch is Illuminates when the engine retarder Illuminates when engine grid heater is on. (compression brake or exhaust brake) on (PACCAR PX-6 and PX-8). switch is turned on. (Engine retarders 20. Engine, Heater are an option.) 26. Fifth Wheel, King Pin Lock

Illuminates when Engine Heater switch 24. Engine, Stop Engine Illuminates when air actuated fifth is on. wheel King Pin is unlocked. 3 Illuminates and an audible alarm tone 27. Fifth Wheel, Slide Unlocked 21. Engine, Low Coolant Level will sound when a major engine system problem exists. Illuminates with an audible alarm Illuminates and an audible warning indicating critically low coolant level. WARNING! tone will sound when the air operated sliding fifth wheel switch is on, thus The vehicle must be serviced to correct This should be considered an emer- unlocking the sliding fifth wheel. the problem but the situation should gency. You should stop the vehicle The light and an audible warning not be considered an emergency. as safely as possible and turn OFF tone should NOT be considered an the ignition. The vehicle must be emergency but simply as a reminder 22. Engine, Overspeed serviced and the problem corrected to turn off the switch to lock the sliding before driving again. Failure to do fifth wheel before driving. This switch so may cause severe engine dam- Illuminates when engine RPM is should not be operated while driving. age or cause an accident. exceeded. (Sliding fifth wheels are an option).

23. Engine, Retarder (Brake) 25. Engine, Wait To Start 28. Lights, High Beam

3-22 Y53-6060-1C1 (03/17) WARNING SYMBOLS

Illuminates when the high beams are 31. Power Take-off (PTO) Illuminates when the ignition key is on. This icon will flash with audible turned on as a reminder to fasten your alarm if the headlamps are left on seat belt. when the door is open. In addition, this Illuminates when the PTO is engaged. icon will flash, but without an audible 35. Suspension Dump alarm, if there is a problem with the NOTE low beam headlights or the low beam Do not drive vehicle with PTO en- Illuminates when suspension air bags headlight wiring. In such event, the gaged. high beam headlights will turn on at are deflated. 3 50% normal brightness. 32. Power Take-off (PTO), Pump Mode 36. Tire Inflation 29. Message Waiting Illuminates with remote throttle Illuminates when tire pressures need to Illuminates with telematic equipped application. Indicates pump mode is be checked. (Tire Pressure Monitoring messaging. active. System is an option)

30. Park Brake 33. Refrigerator 37. Transmission, Auxiliary

Illuminates in the status indicator when Illuminates to indicate that the Illuminates to indicate auxiliary parking brakes are applied and the refrigerator is on and ignition is off. transmission is in neutral. vehicle is stationary. This symbol will also illuminate in the Driver Information 34. Seat Belt, Fasten 38. Transmission, Check Display if the parking brakes are applied and the vehicle is in motion.

(03/17) Y53-6060-1C1 3-23 WARNING SYMBOLS

Illuminates when transmission has Illuminates when transmission Blinks when the right turn signal or the recorded a fault code. This icon lubricant temperature is too high. The hazard light function is operating. may also appear in the Transmission information display will provide the Display menu of the Driver Information current oil temperature when the icon 44. Voltage Display unit. If the user is in this display is illuminated. menu, the icon does not indicate a fault code. CAUTION Illuminates when transmission lubricant temperature is too high.The This should be considered an emer- 3 39. Transmission, Range Inhibit information display will provide the gency. You should stop the vehicle current oil temperature when the icon as safely as possible and turn OFF is illuminated. Illuminates with Allison 1000/2000 the ignition. The vehicle must be series transmissions with "Range serviced and the problem corrected Inhibit" output. before driving again. Failure to do so may cause severe transmission damage. 40. Transmission, Oil Filter

42. Turn Signal, Left Illuminates when service is required (Allison transmissions only). Blinks when the left turn signal or the 41. Transmission, Oil hazard light function is operating. Temperature High

43. Turn Signal, Right

3-24 Y53-6060-1C1 (03/17) DRIVER INFORMATION DISPLAY DRIVER INFORMATION DISPLAY The Driver Information Display, located The bullets in the Menu Bar allow at the top of the instrument cluster, access to each item by pushing displays important vehicle information the MCS when the desired bullet is Introduction through a constant monitoring of highlighted. systems when any of the following conditions are met: • ignition key in ON or ACC positions 3 • ignition timer is active • MCS button is pushed (independent of ignition key switch position) WARNING! In addition to a blank screen, the Do not look at the Driver Information • clock alarm sounds following are menu items and the Display for prolonged periods while • driver or passenger door is opened information available within each menu the vehicle is moving. Only glance selections. at the monitor briefly while driving. • hazard warning lamp switch is on Failure to do so can result in the driver not being attentive to the vehi- The various functions may be cle’s road position, which could lead accessed by navigating through Menu to an accident and possible personal Screens using the MCS. Refer to Menu injury or equipment damage. Control Switch (MCS) on page 3-8 for more detail for the MCS.

(03/17) Y53-6060-1C1 3-25 DRIVER INFORMATION DISPLAY

Fuel Economy RPM Detail NOTE Accessible while parked or driving. Accessible while parked or driving. Some Driver Information Display functions are only accessible when the vehicle is parked. Other functions are accessible while the vehicle is moving or when parked. Each function is identified in the following 3 descriptions.

Current fuel economy - Indicates RPM reading of actual engine RPM. instantaneous fuel economy. Engine RPM within the bar graph indicates the engine is operating in the Trip fuel economy - Indicates trip fuel most efficient RPM range. The display economy. color will change if you are operating outside of this range.

3-26 Y53-6060-1C1 (03/17) DRIVER INFORMATION DISPLAY

Ignition Timer Trip Information Other Trip Information functions are Accessible while parked only. NOTE accessible only when parked: When accessing the trip information • Trip Distance menu, push the MCS on this menu (bullet). To exit, push the MCS • Trip Engine Hours again. To reset the trip values, press • Trip Idle Hours the Trip Odometer Reset Button on the main gauge instrument cluster. • Trip Idle Percentage (%) 3 • PTO Hours Ignition timer is set from this menu. • PTO Trip Hours The ignition timer may be set for up to 30 minutes. • PTO Trip Percentage (%) To reset the Trip Values, press the Trip Odometer Reset Button on the main gauge instrument cluster. Certain Trip Information functions area accessible when driving or when parked: • Trip Economy • Trip Average Speed

(03/17) Y53-6060-1C1 3-27 DRIVER INFORMATION DISPLAY

Truck Information • Transmission Make Diagnostic Display Accessible while parked only. • Transmission Model Accessible while parked only.

NOTE • Transmission SW Version NOTE When accessing the truck informa- • ABS (Antilock Braking System) "Faults Found" will only be active if a tion menu, push the MCS on this Make red or yellow warning lamp is illumi- menu (bullet). To exit, push the MCS nated. 3 again. • ABS Model • ABS SW Version • CECU (Cab Electronic Control Unit) Software Version • CECU Hardware Version

The diagnostic display menu (bullet) Truck information available: will indicate a fault that is generated by the vehicle's Engine, ABS and/or • Chassis Number Transmission systems. While on • Engine Make this menu item the display will either indicate "No Faults Found" or "Faults • Engine Model Found". If "Faults Found" is active, pushing the MCS will display new • Engine SW Version menus for more information.

3-28 Y53-6060-1C1 (03/17) DRIVER INFORMATION DISPLAY

Transmission Display Settings Menu

Automated transmissions only - Accessible while parked only. accessible while parked or driving. NOTE NOTE Refer to the Automated Transmis- Refer to the Automated Transmis- sion Operator’s Manual for addi- sion Operator’s Manual for additional information. tional information. To Set Clock Display Format: 3 The Settings menu screen allows 1. When in the Settings Menu, scroll the driver to view and/or change the through the list of menu items to following menu items: "Format". • Display Format 12 Hour (AM/PM) 2. Press the MCS to display either 12 or 24 Hour (military) hour (AM/ PM) or 24 hour (military) • Home/Local Time time. • Alarm ON/OFF This menu will show gear number that coincides with the current transmission • Alarm Time gear selected. The menu also displays Units of measure the transmission icon to let the user • know what screen they are in. (Does • Language (English, Spanish or not indicate a fault code.) French)

To Set Home, Local or Alarm Time:

(03/17) Y53-6060-1C1 3-29 DRIVER INFORMATION DISPLAY

1. When in the Settings Menu, scroll through the list of menu items. 2. Press the MCS to select the item to change.

3. Rotate the MCS knob to change the hour. Press the MCS.

3-30 Y53-6060-1C1 (03/17) STANDARD GAUGES

STANDARD GAUGES by an audible alarm, whenever the Speedometer limits of the function being displayed Introduction are exceeded. The speedometer indicates the vehicle speed in miles per hour (mph) On the pages that follow you will find and in kilometers per hour (km/h). descriptions of some of the gauges The speedometer also includes an on your instrument panel. For more odometer, trip meter, and trip reset information about using them in button. driving, see "Starting and Operating 3 the Vehicle" Also check the Index under the name of the gauge or function you want to know more about.

WARNING! Do not ignore a warning light or audbile alarm. These signals tell you something is wrong with your vehicle. It could be a failure in an important system, such as the brakes, which could lead to an accident. Have the appropriate system checked immediately.

Some gauges will display a red LED warning light, with some accompanied

(03/17) Y53-6060-1C1 3-31 STANDARD GAUGES

Odometer / Trip Meter odometer is "9999.9" before it rolls Tachometer over to zero. The LCD display in the lower part of the Your tachometer measures the engine speedometer contains the odometer To reset the trip odometer, press speed in revolutions- per-minute and trip meter. and hold the trip reset button on (RPM). The tachometer also includes the speedometer. The numbers will an engine hour meter and outside air reset to 0 and begin to count new temperature display. miles/km traveled. This also resets the trip values in the Driver Information 3 Display. The odometer displays the total The trip reset button also toggles all distance your vehicle has traveled. displays between English and Metric. It will display in miles on an English speedometer or in kilometers on a NOTE metric speedometer. The maximum distance that can be shown on the The Odometer/Trip Meter comes odometer is "1 999 999" before it rolls on when the door is opened or the over to zero. key is in the accessory or ignition position. The Odometer/Trip Meter Watching your tachometer is important The trip odometer displays how far will remain on for 3 seconds after to driving efficiently. It will let you the vehicle has gone on a particular the door is closed or the ignition match driving speed and gear selection trip. The trip odometer will display in switch is turned off. This allows to the operating range of your engine. miles on an English speedometer or in driver and service personnel to read If your engine speed gets too high, kilometers on a metric speedometer, the odometer without ignition switch you can select a higher gear to lower in one tenth divisions. The maximum being turned on. the RPM. If your engine speed drops distance that can be shown on the trip

3-32 Y53-6060-1C1 (03/17) STANDARD GAUGES too low, you can select a lower gear Engine Hours / Outside Air a snowflake symbol. The symbol will to raise the RPM. Temperature turn on when the temperature drops below 34°F or 11°C and flash for the The LCD display in the lower part of the first 3 seconds, then stay on until the tachometer contains the engine hour temperature goes above 37°F or 28°C meter and the outside air temperature display. The temperature can display using Standard or Metric units. Press the trip reset button on the Speedometer 4 times within 4 seconds. This will also 3 change the units shown by the Driver Information Display. The engine hour meter will display the total number of hours the engine NOTE has been running. The maximum The OAT will come on when the door hours that can be shown are "99999.9" is open and the key switch is in the before the meter rolls over to zero. accessory or ignition position. The OAT display will turn off when the The outside air temperature (OAT) ignition switch is turned off. will display the temperature outside the vehicle. The temperature can be displayed from -40° to 158° in Fahrenheit or -40° to 70° Celsius.The display will also alert the driver when the outside temperate approaches freezing (32°F or 0°C) by displaying

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Engine Oil Pressure Gauge NOTE CAUTION The OAT uses a sensor (located at Continuing to operate your vehi- the bottom of the driver’s side mir- cle with insufficient oil pressure will ror assembly) to measure outside air cause serious engine damage. temperature only. It is not capable • If your oil pressure fails to rise of displaying the temperature of the within 10 seconds after your road surface on either the tempera- engine starts, stop the engine 3 ture display or the snowflake icon. and determine the cause. • If your oil pressure suddenly NOTE It is important to maintain oil pressure within acceptable limits. Your engine drops while you are driving, bring The effects of direct sunlight, or the manual will give normal operating the vehicle to a stop as soon as use of mirror heat, will increase the pressures for your engine. possible in a safe location off outside air temperature displayed the road and turn off the engine. while the vehicle is stationary. Wait a few minutes to allow oil to drain into the oil pan, and then check the oil level. Add oil if necessary. If the problem persists, contact an authorized service center.

Check the engine manufacturer’s manual for the correct oil pressure ranges for your engine.

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Water Temperature Gauge Engine Overheating face, hands, and arms by covering the cap with a large, thick rag to protect WARNING! you against escaping fluid and steam. Do not remove the radiator fill cap Before you completely remove the while the engine is hot. Scalding cap, carefully and slowly turn the cap steam and fluid under pressure may part way to allow excess pressure to escape and cause serious personal escape. Then push down and turn for injuries. You could be badly burned. final removal. • Wait until the coolant The cooling system may overheat if 3 temperature is below 122°F the coolant level is below normal or if The water temperature gauge shows (50°C). there is a sudden loss of coolant (such the temperature of the engine coolant. as a worn hose splitting). It may also Under normal operating conditions • Protect face, hands, and arms temporarily overheat during severe the water temperature gauge should by covering the cap with a large, operating conditions such as climbing register between 165° and 205°F (74° thick rag to protect against a long hill on a hot day or stopping and 90°C). Under certain conditions, escaping fluid and steam. after high-speed driving. somewhat higher temperatures may • Carefully and slowly turn the be acceptable. But the maximum cap one-quarter of a turn or If the "Engine Coolant Temperature" allowable temperature is 210°F (99°C) until it reaches the first stop— warning light comes on, or you have with the cooling system pressurized, allowing excess pressure to any other reason to suspect the engine except for certain special engines. escape—push down and turn for may be overheating: Check your engine manual to be sure. final removal. • Stop the vehicle, but DO NOT TURN OFF THE ENGINE unless a Wait until the coolant temperature is below 122° F (50°C). Protect your

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low water warning device indicates Fuel Gauge a loss of coolant. The fuel gauge shows the approximate amount of fuel in the fuel tanks. • With the transmission in neutral, Besides empty and full, the gauge check to be certain the oil pressure also indicates 1/4, 1/2, and 3/4 of gauge reads normal. Increase total capacity. You will want to keep the engine speed to about 1100 your fuel tanks at least half full to - 1200 RPM, maximum. Return reduce condensation of moisture in the idle speed to normal after 2 the tanks. This moisture can damage 3 or 3 minutes. If the warning light your engine. does not go off or the temperature gauge does not begin to drop, then turn the engine off. WARNING! • If the overheating came from severe operating conditions, the Do not remove a fuel tank cap near temperature should have cooled an open flame. Hot fuel vapors are by this time. If it has not, stop combustible and can cause an ex- the engine and let it cool before plosion or fire resulting in injury or checking to see if the coolant is death. low. CAUTION Use Ultra Low Sulfur Diesel fuel only. Failure to do so may damage components of the Diesel Particu- late Filter (DPF).

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Diesel Exhaust Fluid (DEF) Primary (Secondary) Air Gauge CAUTION Pressure Gauge (Air Use Diesel Exhaust Fluid only. Fail- Reservoir) ure to do so may damage components of the Diesel Particulate Filter The air pressure gauge indicates the (DPF). amount of air pressure in the brake system in pounds per square inch (psi). • The primary gauge shows front reservoir air pressure. 3

The diesel exhaust fluid gauge shows the approximate amount of DEF fluid in the DEF tank. Besides empty and full, the gauge also indicates 1/4, 1/2, and 3/4 of total capacity. DEF fluid is required to meet certain emission • The secondary gauge shows requirements. Maintain an adequate pressure in the rear reservoir. amount of diesel exhaust fluid at all times, as provided in the aftertreatment system operator manual. Please refer to the aftertreatment operator manual for more details about DEF fluid.

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WARNING! The air pressure warning light and the audible alarm indicate a dangerous situation. There is not enough air pressure in the reservoirs for repeated braking and the brake system has failed. If air pressure falls 3 below 60 psi (414 kPa) the spring Ensure the air pressure registers more brakes could suddenly apply, caus- than 100 psi in both service systems ing a wheel lockup, loss of control, before you move the vehicle. If the or your vehicle to be overtaken by pressure in either circuit is too low for following vehicles. You could be in normal brake operation, the warning an accident and severely injured. If light will glow and the audible alarm these alarms come on while you are will sound. driving, bring your vehicle to a safe stop right away. If the light and alarm do not turn off at start-up, do not try to drive the vehicle until the problem is found and fixed.

3-38 Y53-6060-1C1 (03/17) OPTIONAL GAUGES

OPTIONAL GAUGES Forward Drive Axle Temperature Gauge CAUTION Introduction Driving with very hot temperatures in This gauge indicates the temperature your rear drive axles can cause se- Maximum transmission temperature of the lubricant in your vehicle’s axle(s). rious damage to axle bearings and may vary, depending upon the These temperatures will vary with seals. Have your axle lubrication transmission and type of lubricant. the kind of load you are carrying and checked if you notice a sign of over- Check your transmission’s owner’s the driving conditions you encounter. heating. manual. Maximum axle temperature may vary, depending upon the axle and type 3 of lubricant. Very high temperatures signal a need to have your axle(s) lubrication checked.

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Rear Drive Axle Temperature Gauge CAUTION Driving with very hot temperatures in This gauge indicates the temperature your rear drive axles can cause se- of the lubricant in your vehicle’s axle(s). rious damage to axle bearings and These temperatures will vary with seals. Have your axle lubrication the kind of load you are carrying and checked if you notice a sign of over- the driving conditions you encounter. heating. Maximum axle temperature may vary, 3 depending upon the axle and type of lubricant. Very high temperatures signal a need to have your axle(s) lubrication checked.

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STEERING The lever controls several functions: 1. Tilt/Telescoping Steering Column COLUMN-MOUNTED turn signal, high beam, and windshield wiper control. Depending on your vehicle’s CONTROLS configuration, you may have either a Tilt/Telescoping or a fixed steering Steering Column Controls column. Introduction • The tilt feature allows forward and rearward movement of the wheel. 3 • The telescoping feature allows you to move the wheel up and down.

To activate these features, locate the Tilt/Telescoping lever.

WARNING! 1. Tilt Telescoping Lever 2. Turn Signal Lever Make all adjustments to the steer- 3. Trailer Hand Brake ing mechanism while the vehicle is stopped. Adjusting the Tilt-Tele- NOTE scoping Steering Wheel while the vehicle is in motion could cause loss The ignition key must be turned to of control. You wouldn’t be able to ON for the signal/switch to operate. steer properly and could have an accident resulting in death or per- The turn signal lever is mounted on sonal injury. the left side of the steering column.

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2. Turn Signal/High Beam Switch To adjust the steering wheel, PUSH and HOLD the lever down fully. Push NOTE or pull the wheel to the desired height The ignition key must be turned to and angle, then PUSH the lever back ON for the signal/switch to operate. into the locked position.

The lever-action turn signal/high beam switch is located on the left side of 3 the steering column. Each time a turn indicator is activated the buzzer emits a short beep.

Turn Signals Steering Column Unlocked

Steering Column Locked

Turn Signal • To signal a right turn, push the lever forward (clockwise).

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• To signal a left turn, pull the lever • To return to previous beam: pull back (counterclockwise). WARNING! the lever towards the steering After you complete a turn, shut the wheel again. • Each time the turn indicator is system off by returning the lever to activated the audible warning the "OFF" (center) position. Failure • The high beams can be emits a short beep. to shut off a turn signal could con- momentarily flashed with or fuse other drivers and result in an without the headlights being on. NOTE injury accident. An indicator light in To flash the high beams, gently If the vehicle turn signals and turn the instrument panel will flash until push the headlight lever away from 3 signal indicators in the dash gauge the turn signal is turned off. the steering wheel to momentarily cluster ever begin flashing at an turn on the lights. accelerated rate (115 cycles per High Beam minute) when the turn signal lever NOTE is in the OFF (center) position, or NOTE Continued pressing of the high when a Right/Left turn has been se- beam flash will not keep the high The headlights must be ON for the lected, the problem may be related beams on. high beam switch to operate. to a failed turn signal switch or turn signal module. In either case, the problem is not a failed bulb. Contact • To switch your headlights to lower your nearest authorized dealer to or higher beam, gently pull the turn have the problem corrected as soon signal lever, toward the steering as possible. wheel, until you hear the switch click and the beam changes. The blue indicator light in the instrument panel will be ON when the high beam is being used.

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Windshield Wipers/Washer

Your vehicle is equipped with a two-speed, intermittent windshield wiper system. The windshield wiper system is integrated with the exterior lights so that the low beam headlights ID and Clearance Lights Flash will turn on when the windshield wipers turn on. 3 To override this function, turn the headlights on and then off again and the low beams will turn off. Permanently overriding this functionality is attainable via the Settings Menu in the instrument cluster display. Go to Settings - > Wiper Interlock and turn this value to OFF.

A seven-position rotary wiper switch Flash to pass (located on the turn signal lever) operates the windshield wipers and washer. Rotate the end of the turn signal lever to change the wiper mode.

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the washing cycle. After the lever NOTE is released, the wipers will shut off CAUTION The ignition key must be turned to automatically or resume the wiper’s Do not use antifreeze or engine ON or ACC for the wiper/washer setting speed. coolant in the windshield washer switches to operate. reservoir - damage to seals and To activate the wipers for one swipe other components will result. without activating the washer ("mist" function), push the turn signal lever in (towards the steering column) and CAUTION 3 release in less than 0.5 seconds. The If the electric pump is operated for a wipers will perform a single swipe and long period (more than 15 seconds) then resume the wiper’s setting speed. with a dry reservoir, the pump motor Wiper/Washer may be damaged. WARNING! The first position after OFF is the Clean blades regularly with a damp Check the windshield washing fluid intermittent #1 cycle. The next cloth to remove road film and wax level daily. If necessary, fill to top. positions are intermittent #2, #3, and build-up. Do not drive with worn or #4. The last two positions are wiper dirty wiper blades. They can reduce Clean all inside and outside windows low speed and wiper high speed. visibility, making driving hazardous regularly. Use an alcohol-based which may lead to an injury accident cleaning solution and wipe dry with To wash the windshield resulting in death or personal injury. either a lint-free or a chamois cloth. Avoid running the wiper blades over a Push the rotary wash/wipe knob in dry windshield to prevent scratching (towards steering column), hold for the glass. Spray on washer fluid first. more than 0.8 seconds and then A scratched windshield will reduce release. Hold the knob in to extend visibility.

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3. Trailer Brake Hand Valve Horn Air Operated Horn (Option) Electric Horn This hand valve, mounted on the Your Medium Duty may be equipped steering wheel column, provides air Your Peterbilt has an electric horn. with an air horn. To operate, pull on the pressure to apply the trailer brakes To operate, press on the horn symbol lanyard extending from the overhead only. It operates independently of near the center of the steering wheel. header panel. the foot treadle valve. See Using the Brake System on page 4-24, for more instructions on proper use of the Trailer 3 Brake Hand Valve.

3-46 Y53-6060-1C1 (03/17) DASH- AND DOOR-MOUNTED CONTROLS

DASH- AND 3. IGN & ACC: This position allows Hazard Flasher DOOR-MOUNTED you to turn on the engine and all The four-way Emergency Flasher accessory power. CONTROLS switch is located to the right of the 4. START: Starter activation to start ignition key switch. With the switch Ignition Switch engine. in the ON position, the emergency flasher makes all four turn signals Your ignition switch has four (front and rear) flash simultaneously. (unmarked) positions: The flasher works independently of the ignition switch. You should always use 3 the flasher if the vehicle is disabled or parked under emergency conditions.

1. ACC (Accessory): With your key in this position you can play the radio or use other accessories, but your engine won’t start. 2. OFF: In this position all systems are off, and you can remove your key.

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Daytime Running Lights WARNING! WARNING! Use your Hazard Flasher Warning On vehicles equipped with the Daytime Do not use daytime running lights System any time you have to stop off Running Light (DRL) system, the (DRL) during periods of darkness or the road or on the side of the road, low beam headlights are turned ON reduced visibility. Do not use DRL as day or night. A hard-to-see vehi- automatically at reduced brightness (to a substitute for headlights or other cle can result in an injury accident. conserve headlamp life). lights during operations that require Another vehicle could run into you lighting of your vehicle. Doing so 3 if you do not set your flashers and could lead to an injury accident. follow the placement of emergency signals per FMCSR 392.22. Always CAUTION move the vehicle a safe distance off the road when stalled or stopped On vehicles equipped with daytime for repairs. A disabled vehicle can running lights (DRL), the high-beam be dangerous for you and others. headlamps go on automatically at The hot exhaust system could ig- reduced brightness if the engine is nite dry grass, spilled fuel, or other running and the headlamp switch If the headlight switch is turned OFF, substances. Do not park or operate is turned off. The daytime running the DRL system engages automatically your vehicle where the exhaust sys- lights are turned off automatically after the engine starts and you release tem could contact dry grass, brush, while the parking brake is engaged. the parking brake. If the headlight spilled fuel, or any other material that If the headlamp switch is turned switch is ON, the DRL system is could cause a fire. on, the DRL system is overridden & overridden, and headlights operate headlamps operate normally. normally.

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Panel Light Dimmer ID and Clearance Lights Dome Light Switch The Panel Light Dimmer lets you vary The center-mounted dome light is the brightness of your instrument panel operated by gently pushing on the lens lights. until a click is heard. The same action turns the light on or off, depending on its previous state.

These are the amber lights on top of your cab, the lights on the front and sides of the trailer, and the red lights on To Operate Your Panel Light Dimmer: the rear of a truck or trailer. They are controlled by the control panel switch 1. Turn on either the headlights or labelled CL LPS or with the symbol clearance lights. shown above. 2. To brighten the instrument lights, rotate the thumbwheel up. 3. To dim the instrument lights, rotate the thumbwheel down.

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Fog Lights Switch Air Suspension Deflate NOTE Switch (Dump Valve) Across the U.S.A. and Canada, State/Provincial requirements vary as to when high beams and fog lights can and cannot be used together. Some states allow only four lights to be used together, while some allow 3 more. How your lights are arranged will affect whether you can operate headlights and fog lights concur- Your Peterbilt vehicle may have an rently—always comply with the state If your vehicle has fog lights, turn them air suspension deflation switch which or provincial requirements where ON or OFF with the control panel allows the air in the suspension to be you are driving. switch with the symbol shown above. exhausted from a switch on the dash. The purpose of this feature is to allow you to lower your tractor to get under a trailer. You may notice a guard over the switch. This prevents you from accidentally deflating the suspension.

3-50 Y53-6060-1C1 (03/17) DASH- AND DOOR-MOUNTED CONTROLS

Cruise Control Switch WARNING! WARNING! Operating the Air Suspension De- Do not operate the cruise control flate Switch (Dump Valve) while driv- when operating on road surfaces ing can lead to an accident. Sudden with poor traction (wet, icy, or snow deflation while your vehicle is mov- covered roads) or in heavy traffic. ing can affect handling and control. Accelerations caused by the normal Use this switch only when your vehi- operation of the cruise control could cle is not moving. cause you to lose control of the ve- 3 hicle resulting in an injury accident. CAUTION Operating a vehicle with air suspen- The master switch turns the cruise NOTE sion bags either overinflated or un- control ON or OFF. The second switch Cruise control functions and fea- derinflated may cause damage to allows you to SET the desired speed tures may vary depending upon driveline components. If a vehicle or RESUME the desired speed after which engine you have. For specific must be operated under such con- the cruise control function has been explanation of your cruise control, ditions, do not exceed 5 mph. interrupted. see the cruise control or engine manual included with your vehicle.

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Regeneration Switch to release the button to ensure that This vehilcle’s electronic system will the system will begin the regeneration perform a ‘rationality check’ every time In order to meet 2007 EPA engine cycle. the vehicle is started. This check is emission requirements, vehicles to ensure that the service brakes are will have a either a two or three CENTER: (three position switch only) working before allowing cruise control position switch to help control and Center is the normal position of the to function. This safety feature is maintain the exhaust Diesel Particulate switch. The center position will allow designed to ensure that a driver is able Filter. Please refer to the Exhaust an automatic regeneration to occur. to cancel the cruise set speed by using Aftertreatment System Supplement 3 the service brake pedal. The system provided with the vehicle for more STOP: (three position switch only) will not allow cruise control operation if detailed information about the emission When STOP is pressed the system will it does not pass the ‘rationality check’. control system. not regenerate under any conditions. The Driver Information Display will prompt you to press the service brake CAUTION pedal if it has not been pressed since Do not leave the three position the vehicle has been started. switch in the STOP position unless you need to cancel or stop regeneration. Leaving the switch in the STOP position for extended periods of time will result in increased soot levels in the DPF.

START: Depressing the button in the START direction for 4 to 8 seconds will initiate a parked regeneration. Be sure

3-52 Y53-6060-1C1 (03/17) DASH- AND DOOR-MOUNTED CONTROLS

Power Mirror Switch To Adjust Moto Mirrors WARNING! If your vehicle is equipped with 1. Move the mirror selector switch Convex mirrors can distort images to the right or left from the neutral power mirrors, the mirror controls will and make objects appear smaller be located on the driver side door center position to select the and farther away than they really desired mirror for adjustment. pad. Aerodynamic- style mirrors are. You could have an accident are controlled for 4-way adjustable if you are too close to another ve- NOTE movement, while Moto mirrors are hicle or other object. Keep plenty controlled for 2-way adjustable of space between your vehicle and If the mirror is fixed (non-motorized) 3 movement. others when you turn or change on the left side, then the mirror selec- lanes. Remember that other objects tor switch will ONLY allow selection are closer than they may appear. of the neutral and right mirror switch positions.

NOTE 2. Depress the mirror directional The Power Mirror Switch does not control pad towards the arrows control the adjustment of the convex pointing left or right to adjust the mirrors. mirror in/out.

NOTE After mirror adjustments have been completed, return the mirror selector switch back to the center (neutral) position, to prevent unintentional adjustments to the mirrors.

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Mirror Heat Switch button again turns the mirror heat and Power Window Switch the indicator light Off. Your vehicle may be equipped with Your vehicle is probably equipped with optional heated mirrors. Mirror heat NOTE power windows. Power window rocker is controlled by the mirror heat switch switches are located on the door pads The effects of direct sunlight, or the button, which is part of the mirror switch (a switch for the passenger window is use of mirror heat, will increase the module located on the driver side door also on the driver side door pad, as outside air temperature displayed pad. Motorized mirrors with mirror heat shown above). while the vehicle is stationary. have an automatic 15-minute "time 3 out" feature, where the mirror heat-only module is automatically deactivated.

To open or close a window, depress the switch for that window at the end that displays a downward- or To defrost the mirrors in cold weather, upward-directed arrow, respectively, in depress the mirror heat switch button the window symbol on the switch face. and release. The mirror heat symbol Release the switch to stop window in the button will illuminate to indicate movement. the mirror heat function has been activated. Pressing and releasing the

3-54 Y53-6060-1C1 (03/17) DASH- AND DOOR-MOUNTED CONTROLS

Power Door Lock Switch Jacobs Engine Brake or • If you have the three-mode Cummins "C" Brake Switch system, you can select low, Your vehicle is probably equipped with medium, or high retarding. power door locks. Power door lock The ON/OFF switch turns the system rocker switches are located on the ON or OFF. The second switch door pads (switch on the driver side performs the progressive braking door pad is shown above). function that controls the amount of retarding. 3

To lock or unlock both cab doors as well as a sleeper door, depress any door lock switch at the end that displays a closed or open padlock symbol, respectively, on the switch face.

• If you have the two-mode system, you can select HIGH or LOW.

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Interaxle Differential Lock Two-Speed Rear Axle Switch WARNING! (Range) Switch Placing the differential lock in the The interaxle differential allows "LOCK" position while your wheels differential action between the forward are spinning could cause loss of rear and the rear rear driving axles. control or axle damage. You could The interaxle differential lock switch be hurt. Switch to "LOCK" only allows the operator to LOCK or when your wheels are not spinning. 3 UNLOCK the differential. The guard over this switch prevents you from See Interaxle Differential on page 4-47 accidentally activating the lock. for more information on using your interaxle differential.

If your vehicle is equipped with a two-speed rear axle, you can select the axle range by the dash mounted switch shown above. The low range provides maximum torque for operating off-highway. The high range is a faster ratio for highway speeds.

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Fifth Wheel Lock (Slider Parking Brake Valve and Adjustment) Switch Vehicles having an air slide fifth wheel Trailer Air Supply Valve have a fifth wheel slider lock controlled WARNING! by a switch on the instrument panel. Before you leave the cab, apply all By placing the switch in the unlock parking brakes. Do not move the fifth wheel while position, you can slide the fifth wheel the tractor-trailer is in motion. Move- to various positions to adjust weight ment of the fifth wheel while a trac- distribution. There is a guard over tor-trailer is moving can cause a se- this switch to protect you against rious accident. Your load could shift accidentally activating or releasing the 3 suddenly, causing you to lose con- lock. trol of the vehicle. Never operate the vehicle with the switch in the unlock position. Always inspect the fifth wheel after you lock the switch to be sure the fifth wheel is engaged.

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Vehicles with Air Brakes: WARNING! 1. Apply all parking brakes. Pull out the Yellow Parking Brake Do not pull out the parking brake Control knob (1) located on valve while the vehicle is moving. the dash. In tractors, the Red Stopping with the parking brake con- (octagon-shaped) Trailer Air trols can cause a sudden wheel lock- Supply Control knob (2) will up, loss of control, or over-take by automatically pop out. following vehicles. You could be se- Combination (Tractor/Trailer) verely injured. 3 Parking Brake Control Valves

WARNING! Do not leave the cab without applying the parking brake. The truck could roll and cause an injury accident. Al- ways apply the parking brake before you leave the cab. Full Truck Parking Brake Valve 2. Shift the transmission into its PARK position. 3. Turn the key to OFF. 4. Remove the key.

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Vehicles with Hydraulic Brakes: until it reaches an over (top) center CAUTION position. (The PARK light on the The parking brake consists of a Unless it is an emergency, do not dash will come on.) driveline drum brake actuated by a pull upward on the parking brake lever and cable. The hand lever, lever while the vehicle is moving. NOTE mounted on the vehicle's cab floor, Attempting to stop with the parking Ensure the lever is over center. The pulls or releases the cable controlling brake could cause damage to the light will come on prior to brake being the brake. Pulling upward on the driveline, transmission, or the park- fully applied. parking brake lever pulls the cable ing brake mechanism itself. and expands the driveline brake shoes 3 outward against the driveline brake drum. Using the parking brake: 1. Come to a complete stop. The driveline brake is disengaged by pushing the handle downward to its lowest position.

NOTE Failure to fully release the parking brake can cause the brakes to overheat.

2. Apply the parking brake. Pull upward on the parking brake lever

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Power Port Cupholders/Ashtray

Power ports are available in the Your vehicle comes standard with two cab to operate accessories. The 12 cupholders located in the center of the volt power circuit is protected by a cab, below the dashboard. This vehicle 10-ampere fuse to prevent damage. may have an optional ashtray which is designed to fit into one cupholder. WARNING! 3 Do not exceed the voltage/amper- age capacity of the cigarette lighter. It could result in a fire. Follow all warnings and instructions in the operator's manual for the appliance you are using.

The receptacle may be used to power auxiliary equipment not drawing more than 15 amperes maximum. While there are two receptacles at the top of the dashboard, there is one more on WARNING! the base of the cup holders. Paper or other combustible substances in an ashtray could cause a fire. Keep all burnable materials besides smoking materials out of the ashtray.

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Shift Pattern Display

The correct shift pattern for your vehicle appears on your control panel or windshield or on a medallion in the shift knob. It is important that you know more about your transmission than just the shift pattern. Please read the manufacturer’s manual that is included with your vehicle. 3

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Cab Controls

1. Fan Control Dial 4. Floor 7. Temperature Control Dial 2. Dash 5. Floor & Defrost 8. Air Conditioner Enable, Blue Light (On) Indicates A/C is Enabled 3. Dash & Floor 6. Defrost 9. Fresh Air / Recirculate, Blue Light (On) Indicates Recirculated Air

3-62 Y53-6060-1C1 (03/17) HEATING AND AIR CONDITIONING

Introduction WARNING! WARNING! WARNING! Exhaust fumes from the engine con- Never idle your vehicle for prolonged Do not drive with visibility reduced tain carbon monoxide, a colorless periods of time if you sense that ex- by fog, condensation, or frost on the and odorless gas. Do not breathe haust fumes are entering the cab. windshield. Your view may be ob- the engine exhaust gas. A poorly Investigate the cause of the fumes scured, which may result in death, maintained, damaged or corroded and correct it as soon as possible. personal injury, equipment or prop- exhaust system can allow carbon If the vehicle must be driven under erty damage. For clear visibility and monoxide to enter the cab. Entry of these conditions, drive only with the 3 safe driving it is extremely impor- carbon monoxide into the cab is also windows open. Failure to repair the tant for you to follow the instructions possible from other vehicles nearby. source of the exhaust fumes may re- pertaining to the function and use Failure to properly maintain your ve- sult in death, personal injury, equip- of the ventilation/heating and defog- hicle could cause carbon monoxide ment or property damage. ging/defrosting system. If in doubt, to enter the cab, resulting in death or consult your dealer. Maximum heat- personal injury. ing output and fast defrosting can be obtained only after the engine has reached operating temperature.

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NOTE CAUTION NOTE Keep the engine exhaust system Do not stay in the vehicle with the If you are required to idle your ve- and the vehicles cab ventilation engine running or idling for more hicle for long periods of time, install system properly maintained. It is than 10 minutes with the vehicle's an auxiliary heater or automatic idle recommended that the vehicles ex- Heater and A/C ventilation system control. These auxiliary devices can haust system and cab be inspected: in RECIRC or at LOW FAN SPEED. reduce fuel consumption and save Even with the ventilation system on, you money. • By a competent technician every running the engine while parked or 3 15,000 miles stopped for prolonged periods of NOTE • Whenever a change is noticed in time is not recommended. the sound of the exhaust system If you are parked next to idling vehicles, move your vehicle or do not • Whenever the exhaust system, NOTE stay in your vehicle for prolonged pe- underbody, or cab is damaged When idling for short periods of time: riods of time. • Set the heating or cooling NOTE system to Heat or A/C To allow for proper operation of the • Set the fan to Medium or High vehicle ventilation system, keep the speed inlet grille at the base of the windshield clear of snow, ice, leaves and • Set the controls to FRESH AIR other obstructions at all times.

3-64 Y53-6060-1C1 (03/17) HEATING AND AIR CONDITIONING

Manual Controls Floor, De-mister Vents and What Each Control Does *Defrost Vents Air Conditioner Switch

This button turns the A/C compressor on *Defrost and De-mister Vents Fan Speed Adjustment and off. When using the Max Def function the user will not be able to turn off the AC compressor with this button. *Fresh air and air conditioning are Turning this dial clockwise from the OFF automatically turned ON. 3 position turns the fan ON and increases NOTE the fan speed. Temperature Control Dial Fan Control Dial must also be in the ON position for A/C to be Air Flow Control Dial Turn this dial clockwise for heat, on. A/C engages automatically This dial directs the air flow through 5 in AUTO, defrost and floor/de- primary sets of vents: counterclockwise for cool. frost.

Instrument Panel and De-mister Vents

Instrument Panel, De-mister and Floor Vents

Floor and De-mister Vents

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Tips for Efficient Cooling How To Use The System Fresh Air/Recirculation An air conditioner can reduce fog build Switch up on the windshield by setting it to the The engine must be running for the defrost or the floor/defrost air selection. heater and air conditioner to generate This switch controls the source of the air To increase the effectiveness of the hot and cold air. flowing into the heater and air conditioner air conditioner, use the A/C button unit To Cool in the ON position, increase the air Recirculated air may reduce the amount of time needed to cool down the interior of temperature setting and/or increase Push the Fresh 3 the vehicle (when used with A/C) and may the fan speed. Air/Recirculation Switch to the also help reduce undesired outside odors Fresh Air mode (Blue indicator from reaching the interior of the vehicle. If the cabin becomes humid or damp, light off). Manually setting the This button can be engaged manually in system to recirculate air will any non-defrost modes. use the air conditioner with the fan increase the effectiveness and on, with fresh air (not in recirculate air uses the least amount of fuel. mode) and the A/C in the ON position NOTE to dry the cabin air. You may notice changes in sound In situations where more cooling of Turn ON the Fan Control Dial to between recirculated mode and the desired fan speed. other airflow modes. the cab is required, make sure the system is in the recirculation mode. This setting will be more effective than using fresh air. Turn Temperature Dial to Desired Setting.

3-66 Y53-6060-1C1 (03/17) HEATING AND AIR CONDITIONING

Turn the Air Flow Control Dial Turn the Air Flow Control Dial to Floor Vents. Turn ON the Fan Control Dial to to Dash Vents. the desired fan speed.

Adjust the Temperature Control Dial clockwise until the air temperature If the outside air is not cold Adjust the Temperature Control enough to cool the cab, press to feels comfortable. Dial until the air temperature feels engage the compressor which comfortable. 3 will deliver colder air. Using this function in "manual" mode will provide the maximum heating The air conditioner removes moisture performance. from the air while the heater heats the For more cooling effect, you air. may need to press the switch To Dehumidify back to recirculation mode. To Defog and Defrost the Windshield Push the Fresh Air/Recirculate To Heat Switch to the Fresh Air mode (Blue indicator light off). Turn the Fan Control Dial clockwise to the highest fan speed. Turn the Fan Control Dial ON to the desired fan speed. Turn ON the Air Conditioning Switch (Blue indicator light on). Turn the Air Flow Control Dial to Defrost Vents.

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Fresh air and air conditioning are automatically turned ON.

Adjust the Temperature Control Dial clockwise to full heat.

CAUTION 3 During extreme cold weather, do not blow hot defroster air onto cold wind- shields. This could crack the glass. Turn the Air Flow Control Dial to De- frost and adjust the fan speed ac- cordingly while the engine warms. If the engine is already warm, move the Temperature Control Dial to cool, then gradually increase the temperature when you see that the windshield is starting to warm up. Failure to comply may result in equipment damage.

3-68 Y53-6060-1C1 (03/17) ACCESSORIES ACCESSORIES WARNING! CAUTION Navigation System Only glance at the Navigation Sys- Do not rely on the Navigation Sys- tem monitor while driving. Pro- tem to route you to the closest emer- Your vehicle may be equipped with longed periods of viewing while gency services. Not all emergency a Peterbilt Navigation System. This driving could result in an accident services are in the database. system is a Global Positioning Satellite and possible personal injury. (GPS)-linked computer. It receives input from multiple sources to locate NOTE WARNING! 3 your vehicle. Read and understand Regardless of how and where the the Supplemental Navigation System Do not program the Navigation Sys- navigation system directs you, it is Owner’s Manual and observe the tem while driving. Always stop your responsibility to operate the ve- Warnings, Cautions, and Notes that your vehicle when programming or hicle in a safe and legal manner. follow before using the system. changing the settings on the Nav- igation System. Programming the NOTE WARNING! system while driving can cause you to take your eyes off the road, which Ensure the volume level of all audio Verify legal weight and height re- could result in an accident. Failure devices is set to a level that still al- strictions for the route suggested by to do so could lead to serious injury lows you to hear outside traffic and the Navigation System. Failure to or equipment damage. emergency vehicles. verify height restrictions could lead to personal injury. Failure to verify weight restrictions could result in a traffic infraction.

(03/17) Y53-6060-1C1 3-69 ACCESSORIES

Radio Glove Compartment NOTE As an option, your vehicle has either A glove compartment is provided to The map database is the most cur- an AM/FM Stereo Receiver or an store important documents, the vehicle rent available at the time of produc- AM/FM Stereo/Cassette Player. literature set (including this Operator's tion. The database is designed to Manual) and other related materials. provide you with route suggestions For instructions on how to operate your You can open it by pushing the knob and does not take into account the particular radio, see the manufacturer's on the front. relative safety of a suggested route Radio Operating Instructions in the 3 or of factors that may affect the time glove compartment. • To close, push the cover up and required to reach your destination. press to latch it. See the Supplemental Navigation System Owner’s Manual for more • You can lock and unlock the information. glove compartment door with your ignition key; turn it clockwise to lock and counterclockwise to unlock.

3-70 Y53-6060-1C1 (03/17) ACCESSORIES

Vehicle Telematic System WARNING! WARNING! Your vehicle may be equipped with Do not drive with the glove compart- Only glance at the system monitor an onboard telematics system. This ment open, it can be dangerous. In while driving. Prolonged periods of system is a Global Positioning Satellite an accident or sudden stop, you or a viewing while driving could result in (GPS)-linked computer. It receives passenger could be thrown against an accident involving death or per- input from multiple sources to locate the cover and be injured. To reduce sonal injury. your vehicle. Read and understand the risk of personal injury during an the Supplemental Telematics and accident or sudden stop, keep the Navigation System Owner’s Manual WARNING! 3 glove compartment closed when the and observe the Warnings, Cautions, vehicle is in motion. Do not program the telematic sys- and Notes that follow before using the tem while driving. Always stop system. your vehicle when programming or WARNING! changing the settings on the telem- Do not carry loose objects in your WARNING! atic system. Programming the sys- cab, it can be dangerous. In a sud- Verify legal weight and height re- tem while driving can cause you to den stop, or even going over a bump strictions for the route suggested take your eyes off the road, which in the road, they could fly through by the telematic system. Failure to could result in an accident involving the air and strike you or a passenger. verify height restrictions could lead death, personal injury or equipment You could be injured or even killed. to causing death, personal injury or damage. Secure all loose objects in the cab property damage. Failure to verify before moving the vehicle. weight restrictions could result in a traffic infraction.

(03/17) Y53-6060-1C1 3-71 ACCESSORIES

Care of the Display Screen WARNING! NOTE From time to time it may be necessary Regardless of how and where the The map database is the most cur- to clean the display screen. To clean navigation system directs you, it is rent available at the time of produc- the screen, dampen a clean, soft, your responsibility to operate the tion. The database is designed to lint-free cloth with water only. A mild vehicle in a safe and legal man- provide you with route suggestions glass cleaner that does not contain ner. Failure to comply may result in and does not take into account the alcohol or ammonia may also be death, personal injury, equipment or relative safety of a suggested route used. Cleaners that contain alcohol property damage. or of factors that may affect the time 3 and/or ammonia will eventually dry-out, required to reach your destination. crack and "yellow" the screen. Wipe See the Supplemental Navigation WARNING! the screen gently back and forth. You System Owner’s Manual for more can also use a commercial cleaner Ensure the volume level of all audio information. devices is set to a level that still al- especially designed for LCD screens. lows you to hear outside traffic and emergency vehicles. Failure to comply may result in death, personal injury, equipment or property damage.

CAUTION Do not rely on the telematic system to route you to the closest emergency services. Not all emergency services are in the database.

3-72 Y53-6060-1C1 (03/17) ACCESSORIES

Screen Display On/Off acknowledge and understand the Warning/Informational Screen information. The MENU screen will 1. Press and hold the POWER/LIGHT automatically appear next. button for approximately 1 second. 4. To turn the system off, press and 2. After the display has been turned WARNING hold the POWER/LIGHT button for 3 on, the following Warning/Informational Do not let this device distract you while seconds. screen will appear: driving. Always concentrate on your driving. Distractions could cause an Disclaimer accident resulting in injuries to you or 3 others. The vehicle manufacturer is not IMPORTANT responsible for erroneous map data, Disclaimer: Map data may be inaccurate misrouting or any downtime or other and navigation routes may not be damages associated with or arising out available for larger size vehicles. of the use of the Navigation System. Regardless of how and where the navigation system directs you, it is your responsibility to operate the vehicle in a safe and legal manner. Note: Before using this system, read the Owner's Manual and learn how it operates. Some functions of this system will not operate when the truck is moving.

3. After reading the information, touch the TTT in the upper right corner of the screen with your finger indicating you

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STARTING & OPERATING

STARTING & OPERATING Introduction ...... 4-5 Normal Weather ...... 4-5 Cold Weather ...... 4-6 Engine Block Heater (Option)...... 4-6 Engine Warm-up ...... 4-7 OPERATING THE ENGINE Stationary PTO Operation ...... 4-11 Engine Fan Control ...... 4-11 4 Winterfronts ...... 4-12 Engine Control Display ...... 4-13 OPERATING THE TRANSMISSION Introduction ...... 4-14 Operating Manual Transmissions ...... 4-14 Putting the Vehicle in Motion ...... 4-19 Automatic and Automated Transmissions . . . . 4-22 Auxiliary Transmission...... 4-23

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More Transmission Tips ...... 4-23 OPERATING THE BRAKE SYSTEM Introduction ...... 4-24 Hydraulic Brakes ...... 4-35 Retarders ...... 4-41 Parking Brake ...... 4-43 CRUISE CONTROL Cruise Control Switch ...... 4-44 4 AXLE Differential Lock ...... 4-47 Dual Range (Two-Speed) Rear Axle ...... 4-48 Auxiliary Axles - Pusher or Tag ...... 4-50 SUSPENSION Setting Ride Height ...... 4-57 Driving with Deflated Air Springs ...... 4-60 AFTER-TREATMENT SYSTEM Introduction ...... 4-61

4-2 Y53-6060-1C1 (03/17) STARTING & OPERATING

DRIVING TIPS AND TECHNIQUES Introduction ...... 4-62 Coasting ...... 4-62 Descending a Grade ...... 4-63 Engine Overspeed ...... 4-63 Fuel - Excess Consumption ...... 4-64 STOPPING THE ENGINE Before Stopping the Engine ...... 4-67 Refueling ...... 4-67 4 Refuel Before the Final Stop ...... 4-68 Final Stop ...... 4-69

(03/17) Y53-6060-1C1 4-3

STARTING & OPERATING

STARTING & Normal Weather OPERATING NOTE When the outside temperature is Some starters are equipped with above 50° F (10° C), you can use the overcrank protection. Check the Introduction following procedure. "Engine Operation and Maintenance Since each vehicle is 1. Set the parking brake. Manual" for details. custom-equipped, all engine operation 2. Put your main transmission in instructions in this manual are general. 5. Turn the ignition key to the START Neutral. You will want to consult the manual for position. If the engine does not your engine to find out details about 3. Disengage (depress) the clutch start within 30 seconds, release your specific engine’s needs. You (with manual transmission). the ignition switch. To avoid may need to use a slightly different overtaxing the starter motor or 4. Turn the key switch to ON. procedure from the one outlined here. the batteries, don’t use the starter 4 for more than 30 seconds. Let Below are instructions for both CAUTION the starter motor cool and the normal-temperature starting and Never operate the starter motor while batteries recover for two minutes cold-weather starting. the engine is running. The starter before trying again. and flywheel gears could clash or If the engine still won’t start after a jam, severely damaging them. couple of tries, check the fuel lines for possible fuel starvation or air leaks. Starting failure may mean fuel isn’t reaching the injectors. 6. As soon as the engine starts, begin to watch the oil pressure gauge. Check your engine manufacturer’s

(03/17) Y53-6060-1C1 4-5 STARTING & OPERATING

manual for the right pressure for Cold Weather Engine Block Heater your engine. If the oil pressure (Option) doesn’t rise within a few seconds, In cold weather, fast engine starting stop the engine. Find out what helps relieve the loads on the electrical To preheat the engine before starting, is wrong before restarting the system and cranking motor. Using the plug the optional engine block heater engine. special cold starting equipment will into a properly grounded AC electrical help starting. If you follow a few simple source. Do not start the engine with 7. Slowly engage (release) the clutch guidelines, you will extend the service the heater plugged in. after the engine has started. life of your engine. 8. Wait for the oil pressure gauge to WARNING! • Keep the electrical system in top reach normal operating pressure condition. Engine block heaters can cause before operating the vehicle or fires which may result in death, in- idling faster than 1000 rpm. 4 • Use the best quality fuel of the jury and/or property damage if not recommended grade. properly maintained and operated. Regularly inspect the engine block • Use recommended engine heater wiring and connector for lubricating oil. damaged or frayed wires. Do not • Fully depress the accelerator use the heater if there are any signs pedal after engaging the starter. of problems. Contact your authorized dealer or the manufacturer of • For manual transmissions and the heater if you are in need of re- auxiliary transmissions, leave the pairs or information. transmission in neutral and allow the transmission lubricating oil to warm up (approximately 3-5 minutes) before operating vehicle.

4-6 Y53-6060-1C1 (03/17) STARTING & OPERATING

Engine Warm-up slowly and evenly. In extremely CAUTION Engine cold temperatures, you may have Always unplug heater before starting to increase idle speed. The purpose of engine warm-up is to the engine. Damage to the cooling allow oil film to be established between system could occur if the heater is NOTE pistons and liners, shafts and bearings not turned OFF (unplugged). In colder climates where the tem- while your engine gradually reaches perature is often below freezing, operating temperature. Depending on engine make, when the the warm-up for turbocharged en- temperature falls below -10° F (-24° Warm-up Procedure gines is especially important. Chilled C), the block heater is required. external oil lines leading to the tur- 1. After you’ve started your engine, bocharger will slow the oil flow until • Use a solution of half ethylene idle it at approximately 600 RPM the oil warms, reducing oil available glycol antifreeze and half water for while you check: for the bearings. Watch the engine 4 best heater performance. Do not a. oil pressure oil temperature or pressure gauge exceed 65 percent concentration for a warming trend before increas- of antifreeze, as a shortened b. air pressure ing engine idle speed (RPM). heater life will result. See Engine c. alternator output Cooling System on page 5-80, for 3. Continue the engine warm-up until more information. 2. After a few minutes of idling at the coolant temperature reaches 600 RPM, increase your idle at least 130° F (54° C). At this • After servicing the cooling system, speed to 900 or 1000 RPM. temperature, you can use partial operate the vehicle for a day or two Continue your warm-up. This throttle. Wait until the coolant before using the heater. Trapped procedure allows oil to warm and temperature is at least 160° F (71° air inside the engine needs time flow freely while pistons, liners, C) before operating at full throttle. to escape. shafts, and bearings expand

(03/17) Y53-6060-1C1 4-7 STARTING & OPERATING

WARNING! CAUTION NOTE Exhaust fumes from the engine The use of a winterfront can result Keep the engine exhaust system contain carbon monoxide, a color- in excessive engine coolant, oil, and and the vehicle’s cab/sleeper venti- less and odorless gas. A poorly charge air (intake) temperatures, lation system properly maintained. maintained, damaged, or corroded which can lead to overheating and It is recommended that the vehicle’s exhaust system can allow car- possible engine damage. If you exhaust system and cab/sleeper be bon monoxide to enter the cab or must use a winterfront: inspected: sleeper. Failure to properly maintain your vehicle could cause car- • Refer to the "Engine Operation • By a competent technician every bon monoxide to enter the cab and and Maintenance Manual" 15,000 miles for operating restrictions and cause death or personal injury. • Whenever a change is noticed in recommendations. 4 the sound of the exhaust system • Use only a winterfront WARNING! • Whenever the exhaust system, available from your dealer Never idle your vehicle for prolonged underbody, cab or sleeper is that is compatible with an periods of time if you sense that ex- damaged EPA-compliant engine cooling haust fumes are entering the cab. system. These winterfronts are Investigate the cause of the fumes specifically designed for use with and correct it as soon as possible. new grill snap patterns. If the vehicle must be driven under these conditions, drive only with the windows slightly open. Failure to repair the source of the exhaust fumes may lead to death or personal injury.

4-8 Y53-6060-1C1 (03/17) STARTING & OPERATING

NOTE WARNING! CAUTION • Do not stay in the vehicle with To reduce the chance of death or Do not allow your engine to idle, the engine running or idling personal injury and/or vehicle dam- at low rpms (400–600 rpm), longer for more than 10 minutes with age from overheated engines, which than five minutes. Long peri- the vehicle’s Heater and A/C can result in a fire, never leave the ods of idling after the engine has ventilation system in RECIRC engine idling without an alert driver reached operating temperatures or at LOW FAN SPEED. Even present. If the engine should over- can decrease engine temperature with the ventilation system On, heat, as indicated by the engine and cause gummed piston rings, running the engine while parked coolant temperature light, immedi- clogged injectors, and possible en- or stopped for prolonged periods ate action is required to correct the gine damage from lack of lubrica- of time is not recommended. condition. Continued unattended tion. The normal torsional vibrations operation of the engine, even for generated can also cause transmis- • If other vehicles are parked next 4 a short time, may result in serious sion wear. to you idling, move your vehicle engine damage or a fire. or do not stay in your vehicle for prolonged periods of time.

Idling the Engine

Under most circumstances, idling your engine for long periods merely wastes fuel. In severe arctic weather conditions, however, you may need longer idling to be sure all parts of your engine are fully lubricated.

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Transmission a. Put the main transmission in In cold weather (below 32° F (0° gear. C), you may find shifting sluggish b. Put the auxiliary transmission when you first start up. Transmission in Neutral. This will allow warm-up is especially important at the transmission countershaft this time, but it is always a good to turn, agitating the oil and idea to warm-up your transmission warming it. before starting out on the road. To warm-up the transmission, follow these procedures.

To warm-up the transmission 4 lubricating oil during engine warm-up, with a single transmission (manual and automatic): 1. Put the transmission in Neutral. 2. Release the clutch pedal (manual only) and operate the transmission in neutral for 3 to 5 minutes prior to operating the transmission in either forward or reverse range. 3. If you have a two-transmission combination:

4-10 Y53-6060-1C1 (03/17) OPERATING THE ENGINE

OPERATING THE 5. Toggle the SET/RESUME switch Engine Fan Control ENGINE to obtain the desired engine rpm.

Stationary PTO Operation Cancelling Cruise Control

The cruise control buttons for this You can cancel cruise control in any vehicle may be used to control the of these ways: The engine fan can be turned ON using a switch that is mounted on the engine rpm when the vehicle is • Tap the brake pedal. stationary and the operator wants to accessory switch panel. This lets you use the PTO on the engine. Use the • Tap the clutch pedal. set the fan to manual or automatic cruise control options in the same operation. manner as with the vehicle in motion, • Move the ON/OFF switch to the • With the ignition key turned ON but instead of setting vehicle speed, "OFF" position. and the fan switch in the MANUAL 4 the engine speed (RPM) is set instead. position, the engine fan will be ON Setting Idle Speed regardless of engine temperature. 1. Ensure parking brakes are applied. • With the engine fan switch in the AUTO position, the engine fan will 2. Ensure transmission is in Neutral. automatically turn ON when the 3. Engage PTO per the engine computer sends a signal manufacturer's operating requiring the engine fan to be on. instructions. 4. Move the ON/OFF switch to the "ON" position.

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Winterfronts WARNING! NOTE A winterfront or other air flow restriction Do not work on or near the fan with Do not operate the engine fan in device may be mounted in front of the engine running. Anyone near the the MANUAL position for extended the radiator to increase cab heater engine fan when it turns on could be periods of time. The fan hub was temperature in cold climates. injured. If it is set at MANUAL, the designed for intermittent operation. fan will turn on any time the ignition Sustained operation will shorten the CAUTION key switch is turned to the ON posi- fan hub's service life as well as re- tion. In AUTO, it could engage sud- duce fuel economy. A winterfront should only be used denly without warning. Before turn- at temperatures below 40°F (4°C). ing on the ignition or switching from Use of a winterfront above 40°F AUTO to MANUAL, be sure no work- (4°C) can decrease life of cool- 4 ers are near the fan. ing module components. Remove winterfront as soon as the ambi- CAUTION ent temp reaches 41°F (5°C). The use of a winterfront above 40°F The fan or equipment near it could (4°C) can result in excessive engine be damaged if the fan turns on sud- coolant, oil, and charge air (intake) denly when you do not expect it. temperatures, which can lead to Keep all tools and equipment away overheating and possible engine or from the fan. coolant module damage and emissions non-compliance.

4-12 Y53-6060-1C1 (03/17) OPERATING THE ENGINE

Engine Control Display NOTE Your vehicle may come with an optional The winterfront is designed to min- Engine and Driver Information Display. imize the temperature differences This instrument records information across the radiator and reduce the on engine diagnostics, scheduled possibility of cooling module dam- maintenance, driving conditions, and age. Aftermarket winterfronts may general trip information. The specific not provide the proper airflow dis- features of your display may vary tribution and could cause cooling depending on engine make. For module damage. complete information on the display see the engine manufacturer's manual. 4

(03/17) Y53-6060-1C1 4-13 OPERATING THE TRANSMISSION

OPERATING THE in the transmission manufacturer's Operating Manual TRANSMISSION manual that is included with your Transmissions vehicle. 6, 9, 10, and 11–Speed Manual Introduction NOTE The 6–speed synchronized manual Your Medium Duty is equipped You will find a shift pattern diagram transmission has 6 forward speeds and with either a manual or automatic in the cab. Check to be sure you 1 reverse. The 9–speed transmission transmission with special features know the correct sequence for your has 9 forward and 2 reverse speeds, and gearing to meet your particular particular transmission. consisting of a 5– speed low range needs. It is important for you, the section and a 4–speed high range driver, to understand how your section. particular transmission is operated. For specific instructions on To do this, you have two sources of 4 operating one of the optional 10- information: this Operator's Manual or 11-speed transmissions, consult and the transmission manufacturer's the transmission manufacturer’s Driver/Operator's Instruction Manual. Driver/Operator Instruction Manual. Because of the variety of different transmissions installed in Medium Duty vehicles, operating procedures for your particular transmission are not included in this manual; therefore, you should read and understand both manuals. Read the general guidelines and instructions that follow and read the specific instructions contained

4-14 Y53-6060-1C1 (03/17) OPERATING THE TRANSMISSION

Transmission Warm–Up Putting the Vehicle in Motion cause a very jumpy start and excessive wear. In cold weather [below 32°F (0°C)], you After making sure the vehicle's oil may find shifting sluggish when you and air pressure are correct and all CAUTION first start up. Transmission warm-up is other parts and systems are in proper Always use first gear or a low speed especially important at this time, but working condition: range to start the vehicle in motion. it is always a good idea to warm your 1. If your truck is equipped with a The use of a higher gear or speed transmission oil before starting out on hand throttle, disengage the hand range forces undue strain on the en- the road. throttle before driving the vehicle. gine, clutch, other transmission components, and may cause damage. To warm the transmission lubricating 2. Fully depress the clutch pedal until oil during engine warm-up: the clutch brake makes contact. 3. Evaluate the road surface 1. Put the transmission in Neutral. The contact will occur at about 1 conditions and terrain your vehicle 4 inch or less from the floorboard. is on. Select a gear low enough to 2. Release the clutch pedal and let let your vehicle start forward with the transmission operate in Neutral ° The total stroke of the clutch the throttle at idle. for three to five minutes prior to pedal is about 10 inches. The shifting into either a forward or first 1½ inches is free travel. 4. Push the parking brake valve reverse range. After the free travel comes handle (Yellow) against the dash the release stroke, which is panel to release the brakes. the part that fully releases the clutch. The last inch engages 5. Release the clutch pedal, then the clutch brake. gradually accelerate to permit smooth starting, ° Always start out in a low gear. 6. Do not allow your vehicle Starting in a higher gear, to roll (even a little) in the even with a light load, will

(03/17) Y53-6060-1C1 4-15 OPERATING THE TRANSMISSION

opposite direction during clutch where maximum torque and power are Shifting Gears in a New Vehicle engagement. If you need to obtained. For further information, see start up on an incline, apply your More Driving Tips and Techniques on Shift carefully in a new vehicle. The service brakes before you release page 4-62. transmission may be a little stiff at the parking brake. Then release first. Avoid gear clashing by closely your service brakes as you engage following these procedures. the clutch and apply throttle. When you are operating a new vehicle For further instructions on operating or one that has been exposed to cold your transmission, see the weather, you want the transmission transmission manufacturer's manual lubricant (fluid) to circulate and coat that is included with your vehicle. the contacting surfaces of the gears. Metal contacting metal in moving 4 If you have a misaligned gear condition parts may seriously damage your in your vehicle's transmission and transmission—do not drive in one cannot start, gradually release the gear for long periods of time until the clutch, allowing the drive gear teeth to transmission lubricant has a chance to line up properly. Then the drive gear coat all contacting surfaces. Carefully can roll enough to allow the teeth to observe the free travel in the clutch line up properly and complete the shift. for the first few hundred miles. As the clutch lining wears and high spots get The best engine performance and worn smooth, you will get less free maximum economy is obtained if gears travel. are properly selected. This efficiency is achieved by always selecting gears within optimum engine rpm, which is

4-16 Y53-6060-1C1 (03/17) OPERATING THE TRANSMISSION

Clutch Brake and Travel (9–, 10–, the transmission manufacturer's and 11–Speed Transmissions only) manual that is included with your Whether you are upshifting or down vehicle for further details. shifting, it is best to double clutch. These transmissions utilize a clutch Double clutching is easier on the brake, rather than synchronizers. The During Normal Driving transmission and on the engine, clutch brake works by stopping all of helping your vehicle match engine the gears in the transmission, allowing If you want to shift directly into any gear speed with driveline speed and you to easily shift into first gear or other than first or reverse, depress the achieving clash-free shifts. To double reverse without grinding gears. The clutch pedal only far enough to release clutch: the clutch. Pushing the clutch to the total stroke of the clutch pedal is about 1. Push the clutch pedal down to floor applies the clutch brake and could 10 inches. The first part is the release disengage the clutch. stroke: the part that fully releases cause gear hang-up. the clutch. The last inch engages the 2. Move the gear shift lever to clutch brake. CAUTION Neutral. 4 Be careful not to apply the clutch 3. Release the pedal to engage During hard-shifting with vehicle brake while the vehicle is moving. the clutch. This lets you control not moving The purpose of the clutch brake is the rpm of the mainshaft gears, • To apply the clutch brake (while to stop the transmission so that you allowing you to match the rpm of the vehicle is stopped) fully can shift into a starting gear without the mainshaft gears to those of the depress the clutch pedal to the grinding gears. Applying the clutch output shaft. floorboard to stop the gears. With brake when the vehicle is moving ° Upshifts: let the engine and the throttle at idle, select first gear causes a braking effect on the drive- gears slow down to the rpm then release the clutch pedal to train and shortens the service life of required for the next gear. let the vehicle start forward, until the clutch brake. the clutch is fully engaged. See Double Clutching

(03/17) Y53-6060-1C1 4-17 OPERATING THE TRANSMISSION

° Downshifts: press accelerator, helps prevent unnecessary wear to • Never coast with the transmission increase engine and gear your clutch release bearing, and it is in Neutral and the clutch speed to the rpm required in less tiring for you, too. disengaged. the lower gear. Clutch Adjustment • To provide smooth gear 4. Now quickly press the pedal to engagements while shifting, disengage the clutch and move Inspect manual clutches according to use proper coordination between the gear shift lever to the next gear the manufacturer's recommendations. shift lever and clutch. speed position. Regular maintenance should be followed to maintain correct clutch 5. Release the pedal to engage the adjustment. Have your dealer's clutch. Service Department perform any adjustment necessary. 4 "Riding" the Clutch Tips The clutch is not a footrest. Do not drive with your foot resting on the • Always use the clutch when clutch pedal. It will allow your clutch making upshifts or downshifts. to slip, causing excessive heat and wear—damage could result. • Always select a starting gear that will provide sufficient gear Release Bearing Wear reduction for the load and terrain.

When you must idle your engine for any • Never downshift when the vehicle period of time, shift your transmission is moving too fast. to Neutral and disengage the clutch • Never slam or jerk the shift lever (take your foot OFF of the pedal). This to complete gear engagement.

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Putting the Vehicle in Motion start up on an incline, apply your CAUTION service brakes before you release After making sure the vehicle's oil Always use first gear or a low speed the parking brake. Then release and air pressure are correct and all range to start the vehicle in motion. your service brakes as you engage other parts and systems are in proper The use of a higher gear or speed the clutch and apply throttle. working condition: range forces undue strain on the en- For further instructions on 1. Fully depress the clutch pedal (for gine, clutch, other transmission com- operating your transmission, see manual transmission) until the ponents, and may cause damage. the transmission manufacturer's clutch brake makes contact. 2. Evaluate the road surface Driver/Operator's Instruction Manual. a. The total stroke of the clutch conditions and terrain your vehicle If you have a misaligned gear condition pedal is about 6 inches (152 is on. Select a gear low enough to in your vehicle's transmission and mm). The first ½ inch (13 let your vehicle start forward with cannot start, gradually release the 4 mm) is free travel. After the the throttle at idle. free travel comes the release clutch, allowing the drive gear teeth to stroke, which is the part that 3. Push the parking brake valve line up properly. Then the drive gear fully releases the clutch. The handle (Yellow) against the dash can roll enough to allow the teeth to last ½ inch (13 mm) engages panel to release the brakes. line up properly and complete the shift. the clutch brake. 4. Release the clutch pedal (manual The best engine performance and b. Always start out in a low only), then gradually accelerate to maximum economy is obtained if gears gear. Starting in higher gears, permit smooth starting, are properly selected. This efficiency even with a light load, will 5. Do not allow your vehicle is achieved by always selecting gears cause a very jumpy start and to roll (even a little) in the within optimum engine RPM, which is excessive wear. opposite direction during clutch where maximum torque and power are engagement. If you need to obtained. For further information, see

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More Driving Tips and Techniques on Shifting Gears in a New Vehicle Clutch Brake and Travel page 4-62. Shift carefully in a new vehicle. The The clutch brake is used for stopping transmission may be a little stiff at transmission gears, allowing you to first. Avoid gear clashing, by closely easily shift into first gear or reverse following these procedures. without grinding gears. Approximately the last ½ inch (13 mm) of clutch pedal When you are operating a new vehicle travel activates the clutch brake. or one that has been exposed to cold weather, you want the transmission To apply the clutch brake (while the lubricant (fluid) to circulate and coat vehicle is stopped) fully depress the the contacting surfaces of the gears. clutch pedal to stop the gears. With Metal contacting metal in moving the throttle at idle, select first gear 4 parts may seriously damage your then release the clutch pedal to let the transmission, do not drive in one vehicle start forward, until the clutch is gear for long periods of time until the fully engaged. See the manufacturer's transmission lubricant has a chance to Driver/Operator's Instruction Manual coat all contacting surfaces. for further details.

If the transmission has a butt-tooth condition and you cannot engage a gear, gradually release the clutch. Then the drive gear can roll enough to allow the teeth to line up properly and complete the shift.

4-20 Y53-6060-1C1 (03/17) OPERATING THE TRANSMISSION

During Normal Driving Double Clutching b. Downshifts: press accelerator, increase engine and gear If you want to shift directly into any gear Whether you are upshifting or down speed to the RPM required in other than first or reverse, depress the shifting, it is best to double clutch. the lower gear. clutch pedal only far enough to release Double clutching is easier on the the clutch. Fully depressing the pedal transmission and on the engine, 4. Now quickly press the pedal to applies the clutch brake and could helping your vehicle match engine disengage the clutch and move cause gear hang-up. speed with driveline speed and the gear shift lever to the next gear achieving clash-free shifts. speed position. CAUTION To double clutch: 5. Release the pedal to engage the Be careful not to apply the clutch clutch. brake while the vehicle is moving. 1. Push the clutch pedal down to The purpose of the clutch brake is disengage the clutch. 4 to stop the transmission so that you 2. Move the gear shift lever to can shift into a starting gear without neutral. grinding gears. Applying the clutch brake when the vehicle is moving will 3. Release the pedal to engage render the clutch inoperative. the clutch. This lets you control the RPM of the mainshaft gears, allowing you to match the RPM of the mainshaft gears to those of the output shaft. a. Upshifts: let the engine and gears slow down to the RPM required for the next gear.

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Automatic and Automated Hill Hold Transmissions WARNING! If your vehicle has an automated An automatic or automated transmission, be aware that it can transmission makes shifting much roll backwards when stopped on a easier. It remains important to hill or grade, or when starting from completely understand how to operate a stop on a hill or grade. Failure to the transmission to optimize its comply may result in death, personal efficiency. Please read the manual The hill hold feature is available as injury, equipment or property dam- for your automatic or automated an option with certain automated age. Observe the following guide- transmission included with your transmissions. This feature holds the lines: vehicle. vehicle while on a hill to allow the operator to release the service brakes • When stopped on a hill or grade, 4 For automated transmissions, there is and press the accelerator. This feature press the brake pedal. no "park" position. So you will need to will hold the vehicle if the vehicle is • When starting from a stop on a apply the parking brake before leaving attempting to go up a hill from a stop in hill or grade, quickly remove your the cab. either drive or reverse. foot from the brake pedal and firmly press on the accelerator WARNING! pedal. Do not leave the cab of your vehicle without applying the parking brake. The truck could roll and cause an accident resulting in death or personal injury. Always apply the parking brake before you leave the cab.

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Auxiliary Transmission More Transmission Tips • Never downshift when the vehicle Riding the Clutch If you have an auxiliary transmission, is moving too fast. see your transmission manufacturer’s The clutch is not a footrest. Do not • Never slam or jerk the shift lever manual for its proper operation. drive with your foot resting on the to complete gear engagement. clutch pedal. It will allow your clutch to slip, causing excessive heat and wear, • Never coast with the transmission damage could result. in neutral and the clutch disengaged. Release Bearing Wear • To provide smooth gear When you must idle your engine for any engagements while shifting, period of time, shift your transmission use proper coordination between to neutral and disengage the clutch shift lever and clutch. 4 (take your foot OFF of the pedal). This helps prevent unnecessary wear to Double clutching is a very effective your clutch release bearing, and it is means to increase the service life of less tiring for you, too. your transmission. Double clutching refers to a technique where the clutch Tips pedal is used twice per shift instead of once. It also requires that you adjust • Always use the clutch when the engine rpm in the middle of the making upshifts or downshifts. shift which ultimately synchronizes the gears during shifting. Synchronizing • Always select a starting gear reduces wear on the gears. that will provide sufficient gear reduction for the load and terrain.

(03/17) Y53-6060-1C1 4-23 OPERATING THE BRAKE SYSTEM OPERATING THE BRAKE SYSTEM The air compressor on the engine will Certain conditions may result in your typically provide 100-130 psi (690-896 brake surfaces becoming overheated kPa) to the air tanks. The vehicle (above 800° F or 427° C). Overheated Introduction is also designed with an air dryer, brakes will damage linings and which removes moisture from the drum surfaces, ultimately decreasing This vehicle’s brake system functions compressed air in order to protect all braking performance. Refer to with the use of compressed air components in the air system. Retarders and Descending a grade to generated from the engine’s air avoid overheating the brakes. compressor. The compressed air is The brake system may be further stored in various air tanks to ensure enhanced by additional devices This vehicle may be equipped with that air pressure is available whenever such as brake proportioning valves, an anti-lock braking system (ABS). the driver needs it. Anti-lock braking systems or sensors This ABS reduces the possibility of 4 designed to let you know if your brake wheel lock-up. If a wheel is about Compressed air is delivered to the pads need to be serviced. to lock during braking, the ABS will brake system through the valve at automatically adjust air pressure to the the brake pedal and is controlled Certain conditions may result in the brake chambers on the appropriate with various valves and braking brake surfaces getting wet. Brake wheel(s) to prevent wheel lock-up. The circuits. The brake system is designed surfaces that are wet do not perform ABS is automatically turned on when with separate front, rear and (when as well as when they are dry. There the ignition switch is turned on. applicable) trailer circuits so that if one may be situations where wet brake circuit is compromised and loses air, surfaces cannot be avoided. In such the other circuits will not be affected. situations, apply the brakes while in Safety valves in each circuit will protect motion, to dry the brake surfaces. the other circuits in the event that a circuit loses air.

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WARNING! WARNING! WARNING! The Anti-Lock Brake System is Do not drive through water deep Do not rely on an anti-lock brake sys- a critical vehicle safety system. enough to wet brake components, tem that is functioning improperly. For the safety of you and others as it may cause the brakes to work You could lose control of the vehi- around you, have the vehicle sub- less efficiently than normal. The cle resulting in a severe accident, mitted for periodic preventive main- vehicle's stopping distance may be causing death or personal injury. If tenance checks as well as having longer than expected, and the vehi- your ABS lamp goes on while you any suspected problems immedi- cle may pull to the left or right when are driving or stays on after the self- ately checked by an authorized brakes are applied, which could check, your anti-lock system might dealer. Failure to properly maintain contribute to an accident involving not be working. The ABS may not your brake system can lead to se- death or personal injury. function in an emergency. You will rious accidents. Failure to comply still have conventional brakes, but 4 may result in death, personal injury, not anti-lock brakes. If the lamp in- equipment or property damage. dicates a problem, have the ABS checked.

Vehicles without anti-lock brake systems (ABS) are typically equipped with a bobtail brake proportioning system. When a trailer is not connected, the drive axle brake application pressure will automatically be limited by the proportioning system. When driven in a bobtail mode,

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these tractors will require greater Trailer ABS brake pedal application to provide the Power Line Communication (PLC) CAUTION equivalent braking to a bobtail tractor Do not splice into the non-switchable not equipped with a proportioning North American on-highway vehicles Auxiliary circuit on the primary 7-way system. are equipped with a separate electrical trailer light line. Doing so may cause circuit to power the anti-lock brake the trailer ABS to malfunction. This system (ABS) on towed vehicle(s). circuit is dedicated for trailer ABS In most cases, the ABS power will power. To add a switchable auxiliary be supplied through the Auxiliary circuit, contact a dealership. circuit on the primary 7-way trailer light line connector. If the vehicle Vehicles and trailers built after was manufactured with a switchable 3/1/01 must be able to turn on an Auxiliary circuit for trailer accessories, In-Cab Trailer ABS Warning Lamp 4 an additional 7-way connector would (per Federal Motor Vehicle Safety have been provided for trailer ABS Standards (FMVSS) 121). The industry power. In either case, the ABS chose Power Line Communication power line on the vehicle will be PLC (PLC) as the standard method to turn equipped. it on.

NOTE Trailers not equipped with PLC can not turn on the In-Cab Trailer ABS Warning Lamp.

4-26 Y53-6060-1C1 (03/17) OPERATING THE BRAKE SYSTEM

Special Trailer ABS (Without PLC) NOTE CAUTION Option For doubles or triples, the lamp does The center pin of the 7-way trailer If a trailer does not have PLC, but not distinguish between trailers. An light line may be constantly powered it does have ABS that is powered ABS problem in any of the trailers for ABS. Make sure it will not acci- through an optional second trailer will activate the Trailer ABS Warning dently turn on trailer equipment. connector (ISO 3731) and that trailer Lamp. ABS is designed to control the Trailer ABS Warning Lamp in the cab and NOTE the vehicle has been ordered with the If you change the intended service in option to turn on this lamp for these any way (i.e. number of axles, mul- types of trailers, then this lamp will turn on when that trailer ABS has a system tiple trailers, add switchable trailer 4 accessories, etc.) from the date problem. This should be checked by a the vehicle was manufactured, you dealer as soon as possible. The Trailer should contact your trailer manufac- ABS Warning Lamp will not turn on for turer and/or trailer anti-lock brake the power-on test when connected to manufacturer to determine if the these types of trailers. power available at the 7-way trailer light line is adequate. Failure to do NOTE so might result in insufficient power Very few trailers built before 3/1/01 to the trailer ABS system which may have this option. Trailers built after affect its operation. 3/1/01 are built with PLC technology.

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Advanced ABS with Stability Roll Stability Program Control RSP, an element of the overall ESC This vehicle may be equipped with system, addresses rollover conditions. Electronic Stability Control (ESC). ESC In the case of a potential roll event, is a feature for ABS-equipped vehicles the ECU will override the throttle that reduces the risk of rollovers, and quickly apply brake pressure at jackknifing and other loss of control all wheel ends to slow the vehicle situations. ESC features include Roll combination. The level of braking Stability Program (RSP) and Yaw application during an RSP event will Control. be proportional to roll risk.

During operation, the ECU of the A Real World Example of How the 4 ESC system constantly compares RSP System Operates performance models to the vehicle’s actual movement, using the wheel Excessive speed for road conditions speed sensors of the ABS system, creates forces that exceed the as well as lateral, yaw, and steering threshold at which a vehicle is likely to rollover on a higher-friction surface. angle sensors. If the vehicle shows a RSP Example tendency to leave an appropriate travel path, or if critical threshold values are The system automatically reduces approached, the system will intervene engine torque and applies the service to assist the driver. brakes (based on the projected rollover risk) to reduce the vehicle speed, thereby reducing the tendency to roll over.

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Yaw Stability Yaw Control The Bendix® Yaw Control system Yaw stability counteracts the tendency Yaw Control responds to a wide reduces engine throttle and selectively of a vehicle to spin about its vertical range of low- to high-friction surface applies brakes to reduce the vehicle axis. During operation, if the friction scenarios including rollover, jackknife speed, thereby reducing the tendency between the road surface and the tires and loss of control. In the case of to jackknife. is not sufficient to oppose lateral (side) vehicle slide (over-steer or understeer forces, one or more of the tires can situations), the system will reduce the slide, causing the truck/tractor to spin. throttle and then brake one or more of the "four corners" of the vehicle These yaw events are referred to as (in addition to potentially applying either "under-steer" (where there is a the trailer brakes), thus applying a lack of vehicle response to steering counter-force to better align the vehicle input due to tire slide on the steer axle) with an appropriate path of travel. For 4 or "over-steer" (where the tractor's example, in an over-steer situation, rear end slides out due to tire slide the system applies the "outside" on the rear axle) situation. Generally, front brake; while in an under-steer shorter wheelbase vehicles (tractors, condition, the "inside" rear brake is for instance) have less natural yaw applied. stability, while longer wheelbase vehicles (straight trucks, for instance) A Real World Example of How Yaw have greater natural yaw stability. Control Operates Factors that influence yaw stability are: wheelbase, suspension, steering Excessive speed exceeds the geometry, weight distribution front to threshold, creating a situation where a rear, and vehicle track width. vehicle is likely to spin and jackknife. Yaw Control Example

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ESC May Reduce The Vehicle Speed Towing Doubles Or Triples May Limitations Of Stability Systems Automatically Reduce The Effectiveness Of Stability Systems The ESC system’s effectiveness may To minimize unexpected deceleration be greatly reduced if: and reduce the risk of a collision the ESC is designed and optimized for operator must: trucks and for tractors that tow single • The load shifts due to improper trailers. If a tractor equipped with retention, accident damage or the • Avoid aggressive driving ESC is used to power multiple trailer inherently mobile nature of some maneuvers, such as sharp combinations (known as "doubles" or loads (for example, hanging meat, turns or abrupt lane changes at "triples") the effectiveness of the ESC live animals or partially laden high speeds, which might trigger system may be greatly reduced. tankers), the stability system. • The vehicle has an unusually high WARNING! 4 • Always operate the vehicle safely, or off-set center of gravity (CG), drive defensively, anticipate Exercise extreme care when tow- obstacles and pay attention ing doubles or triples with a vehicle • One side of the vehicle drops off to road, weather and traffic equipped with Electronic Stabil- the pavement at an angle that is conditions. ABS, ATC and ESC ity Control. Excessive speed and too large to be counteracted by a systems are no substitute for aggressive maneuvers, such as reduction in speed, prudent, careful driving. sharp turns, sudden steering inputs • The vehicle is used to haul double or abrupt lane changes should be or triple trailer combinations, avoided because these maneuvers could cause loss of vehicle control • If very rapidly winding steering possibly resulting in an accident in- inputs are inputted at high speeds, volving death or personal injury. • There are mechanical problems with suspension leveling of the

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tractor or trailer resulting in uneven To Maximize The Effectiveness Of Truck Chassis Modifications loads, ESC The ESC system was specifically • The vehicle is maneuvering on a • Loads must be properly secured calibrated and validated only for high banked road creating either and evenly distributed at all times. your vehicle’s original factory-built additional side forces due to the configuration. If your vehicle’s chassis • Drivers need to exercise extreme weight (mass) of the vehicle or components are altered (for example; caution at all times, and avoid a deviation between expected & a wheelbase extension or reduction, sharp turns, sudden steering actual yaw rates, tag axle addition or removal, tractor to inputs or abrupt lane changes at truck conversion or steering system • Gusty winds are strong enough high speeds, particularly if: component change) the ESC system to cause significant side forces a. the vehicle hauls loads that must be disabled immediately by a on the vehicle and any towed could shift, qualified mechanic. vehicles. 4 b. the vehicle or load has a high WARNING! or off-set center of gravity (CG) when loaded, or Failure to disable ESC "Electronic Stability Control" when modifying a c. the vehicle tows doubles or vehicle could result in a loss of ve- triples. hicle control possibly resulting in an accident involving death or personal injury.

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Steering Angle Sensor ATC Functions WARNING! Re-Calibration (standard) For vehicles equipped with ESC Whenever maintenance or repair Your truck/tractor ABS may be "Electronic Stability Control" do not work is performed to the steering equipped with an automatic traction replace the vehicle’s steering wheel mechanism, linkage, gear, adjustment control (ATC) feature. This feature with an aftermarket or different part of the wheel track, or if the steering is controlled by a switch as shown in number than originally supplied. Us- angle sensor is replaced or the steering the next illustration. This feature is ing a different steering wheel could wheel is changed or re-centered, the monitored by a warning lamp located cause ESC to malfunction causing Steering Angle Sensor must be on the switch. a loss of vehicle control possibly re-calibrated. resulting in an accident involving death or personal injury. WARNING! 4 If the Steering Angle Sensor is not re-calibrated, the Yaw Control sys- Automatic Traction Control Warning tem will not function properly. A un- Lamp calibrated sensor could result in a loss of control of your vehicle which The Traction Control warning lamp on can lead to an accident involving page 3-20 will briefly illuminate and death or personal injury. then go out when the ignition switch is first turned on. The traction control warning lamp will illuminate whenever the ATC system detects drive wheel spin. The lamp will remain illuminated as long as wheel spin is detected and the ATC system is applying the

4-32 Y53-6060-1C1 (03/17) OPERATING THE BRAKE SYSTEM drive wheel brakes or reducing engine torque to the wheels with better by slightly increasing the permissible torque. Engine torque or vehicle traction. wheel spin. When this function is in speed should be reduced to eliminate use, the ATC Warning Lamp blinks wheel spin and prevent excessive • If all drive wheels spin, ATC continuously. application of the ATC system. Except reduces engine torque to provide for checking for proper illumination of improved traction. Off-Road ABS Function Switch the ABS and traction control warning (option) ATC turns itself on and off, you do lamps when first starting the vehicle, not have to select this feature. If and for monitoring these lamps Your vehicle may be equipped with drive wheels spin during acceleration, while driving, no special operating a separate switch to activate an the ATC Warning Lamp comes on, procedures are required. For detailed Off-Road ABS function. This function indicating wheel spin control is active. system description, see literature for is NOT to be used for On-Highway driving but is intended to be used your specific ABS that was provided Do not allow the ATC Warning Lamp with your vehicle. to improve stopping performance in 4 to remain on continuously for an Off-Highway conditions (e.g. loose extended length of time. Extended, This feature helps improve traction gravel and mud). The Off-Road ABS continuous use of the ATC can cause when vehicles are on slippery surfaces function is accomplished by allowing a overheating of the drive wheel brakes. or surfaces with poor traction (i.e. "wedge" of material to build-up in front of momentarily locked wheels. mud or snow) by reducing drive wheel Deep Snow and Mud Switch (option) overspin. Automatic traction control Features and Benefits works in two different ways: A deep snow and mud switch is • If a drive wheel starts to spin, included with Wheel Spin Control. The • Changes the ABS control limits to ATC applies air pressure to brake Deep Snow and Mud feature is helpful allow for a more aggressive ABS the wheel. This transfers engine during acceleration. This function function while off-road. increases available traction on extra soft surfaces like snow, mud or gravel,

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• Improves vehicle control and • At speeds between 10 and 25 WARNING! helps reduce stopping distances mph, the ABS control software is in off-road conditions or on poor While the off-road mode can im- modified to allow short periods traction surfaces such as loose prove vehicle control and shorten (0.25 seconds) of locked-wheel gravel, sand and dirt. stopping distances, some steering cycles. ability may be reduced on certain • Allows retarders to function surfaces resulting from the momen- • At speeds below 10 mph, the ABS independently of the ABS function. tarily sliding tires. Always oper- control software is turned off to ate your vehicle at safe operating allow locked wheels. • If your vehicle does not have an speeds. Failure to do so may cause engine retarder, the Off-Road ABS • When the Off-Road ABS function you to lose control of the vehicle switch will function the same. is enabled, the Retarder Disable and could result in an accident or output is turned off. That is, personal injury. 4 CAUTION the engine retarders are left to function without ABS intervention. Never drive your vehicle on im- How The Off-Road ABS Function For additional information, see the proved roads/highways with the Works Off-Road ABS pamphlet in your Off-Road ABS function turned on. vehicle’s glove box. When you drive your vehicle onto an • The ABS lamp flashes slowly improved road surface or highway, during off-road mode engagement. immediately turn off the Off-Road This is done to alert you of a ABS switch. Failure to do so will modification to the ABS control cause the ABS system to not func- software. tion properly in an ABS event under 25 mph and could result in an acci- • At speeds above 25 mph, the ABS dent or personal injury. controller operates in the normal on-highway mode.

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Hydraulic Brakes pump presses on the master cylinder piston. As a safety precaution, the WARNING! WARNING! pressurized fluid from the master Never drive your vehicle with the Do not operate the vehicle in the cylinder has two mutually independent parking brakes applied. Always re- event of a malfunction in any air or circuits. The primary circuit supplies lease the parking brakes prior to hydraulic circuit. Such a malfunc- the front wheels while the secondary moving the vehicle. Failure to dis- tion may prevent the brake system circuit supplies the rear wheels. The engage the parking brakes prior to from operating properly, and could displaced fluid from the master cylinder moving your vehicle could result result in an injury accident. The ve- travels through brake pipes terminating in excessive heat build-up of the hicle should not be operated until the at the wheel cylinders which actuate brakes and start a fire. system is repaired and both brak- the brake pad mechanisms. Actuation of these mechanisms force the brake ing circuits, including all pneumatic, NOTE hydraulic, and mechanical compo- pads against the rotors to stop the Today’s diesel electronic engines 4 nents are working properly. wheels. have significant torque and starta- A reserve electric motor pump provides bility power at low RPM. Combina- The operation of the vehicle's braking a redundant power source for the tions of engine speed and available system is based on the principle of hydraulic booster in the event normal torque may over-power the vehicle’s hydraulics. Hydraulic action begins flow from the power steering pump is parking brakes. when force is applied to the brake interrupted. Manual braking is also pedal. This force creates hydraulic available in the event both the power pressure in the master cylinder and is and reserve systems are inoperative. amplified with assistance of a power booster. The supplemental boost in force is developed when pressurized power steering fluid from the steering

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Brake Components WARNING! Brake Master Cylinder: translates The following is a brief description brake pedal force into hydraulic fluid The brake system is a critical vehicle of the hydraulic brake system. It is pressure in the primary and secondary safety system. For the safety of you intended to supply you with general circuits. and others around you, have the ve- information on how the system works. hicle submitted for periodic preven- For complete information see the Brake Pedal: applies actuation force tive maintenance checks as well as Peterbilt Medium Duty Maintenance from operator's foot to the master having any suspected problems im- Manual. cylinder pistons. mediately checked by an Authorized Service Center. Failure to properly Anti-Lock Brake System (ABS) Brake Warning Lamp: illuminates maintain your brake system can lead Modulator Valve Body: adjusts brake when either power steering fluid flow to serious injury accidents. fluid flow between the master cylinder is interrupted or when a pressure 4 and the wheel calipers to avoid wheel differential is present in the primary lockup. and secondary brake fluid pressure. Either case adversely affects braking ABS Warning Lamp: lights when the operation. ABS controller detects wheel lock-up while driving and activates the ABS. Differential Switch: measures the Lights also when a fault in the ABS is hydraulic fluid pressure difference detected. between the primary and secondary circuits. Brake Fluid Reservoir: stores brake fluid and offers a place to replenish Electrohydraulic Pump: The when needed. Electrohydraulic (EH) pump is used as a backup boost pump. The EH pump turns on and provides fluid pressure

4-36 Y53-6060-1C1 (03/17) OPERATING THE BRAKE SYSTEM to the hydraulic booster in the event Brake Warning Lamp power steering fluid stops flowing Power Steering Fluid Reservoir: through the booster head. stores power steering fluid and offers a When the brake warning lamp comes place to replenish when needed. on, it indicates a malfunction in the Front and Rear Wheel Calipers: brake system. Possible malfunctions translate hydraulic fluid pressure into Power Steering Gear: assists include loss of hydraulic pressure from force applied at each wheel-end brake the steering operation and sends the power steering circuit or a pressure rotor to retard wheel motion. pressurized power steering fluid to the differential between the primary and brake booster. secondary brake circuits. Hydraulic Booster: The hydraulic booster applies additional hydraulic Power Steering Pump: draws power WARNING! force from the power steering gear to steering fluid from the reservoir and Do not operate the vehicle if the the master cylinder piston when the sends it to the power steering gear. brake light or buzzer comes on. The brake pedal is applied. 4 Warning Buzzer: sounds when either light or buzzer indicates a failure in Parking Brake Lamp: illuminates power steering fluid flow is interrupted one of the brake components/sys- when the parking brake is engaged or when a pressure differential is tem. Drive your vehicle to the side (the lever is in the up position.) present between the primary and of the road immediately. Failure to secondary brake fluid pressure. do this may lead to an accident and Parking Brake Lever: the hand lever Either case adversely affects braking severe injury. located in the cab which engages or operation. disengages the driveline drum brake.

Power Steering Flow Switch: senses flow of power steering fluid.

(03/17) Y53-6060-1C1 4-37 OPERATING THE BRAKE SYSTEM

Wet or Overheated Brakes 4. Turn on the emergency flasher If the buzzer sounds while driving, or and use other warning devices to if the BRAKE light comes on, do the Wet Brakes alert other motorists. following: If you have been driving in heavy rain 1. Slow down carefully. or deep standing water, your brakes Here are some things you can do will get wet. Water in the brakes to assist in slowing the vehicle: can cause them to be weak, to apply ° Downshift - Putting the unevenly, or to grab. These conditions transmission into a lower gear can cause a lack of braking power, will help slow the vehicle. wheel lockups, or pulling of the vehicle to one side or the other. ° Pump the brakes - Pumping 4 the brake pedal may generate Avoid driving through deep puddles enough hydraulic pressure to or flowing water if possible. If not stop the vehicle. possible, you should to the following: ° Use the parking brake - The • Slow down. parking or emergency brake Place transmission in lower gear. is separate from the hydraulic • system. Therefore it can be • Gently press on the brake pedal. used to slow the vehicle. • Increase engine speed while 2. Move a safe distance off the road keeping light pressure on the and stop. brake pedal for a short distance to 3. Set the parking brake. dry out the brake linings.

4-38 Y53-6060-1C1 (03/17) OPERATING THE BRAKE SYSTEM

Anti-Lock Braking System ABS Warning Lamp Overheated Brakes This vehicle is equipped with an The ABS warning lamp will come on While traveling down steep hills, Anti-Lock Braking System (ABS). briefly, then go off, when the key switch gravity will tend to speed you up. You ABS reduces the likelihood of a is first turned on. If the lamp remains must go slow enough that your brakes wheel locking. If a wheel is about ON until a speed of 4 mph (6 km/h) is can hold you back without getting too to lock during braking, the ABS will reached, then goes OFF, there may be hot. If you ride the brake pedal and the automatically adjust hydraulic pressure a stored fault code. If the lamp remains brakes get too hot, they may "fade", to the brake calipers on the appropriate ON when a speed in excess of 4 mph causing you to press even harder in wheel(s) to prevent wheel lock-up. The (6 km/h) is reached, there may be an an attempt to maintain your desired ABS is automatically activated when active fault in the ABS system. stopping power. The brakes may even the ignition switch is turned on. fade so much that you won’t be able to CAUTION slow down or stop at all. 4 CAUTION If the ABS warning light does not Using lower transmission gears will The center pin of the 7-way trailer illuminate when the ignition is first help keep the vehicle from going too light line may be constantly powered turned on, there is a problem with fast. Using lower gears allows engine for ABS. Make sure it will not acci- the bulb or wiring. You should have compression and friction to help slow dently turn on trailer equipment. this checked as soon as possible. the vehicle. Be sure to be in the right gear before you start down a hill, especially if you have a manual transmission. You could get hung up in NEUTRAL and lose the benefit of engine braking. "Coasting" is illegal, and also VERY dangerous.

(03/17) Y53-6060-1C1 4-39 OPERATING THE BRAKE SYSTEM

Parking Brake Burnishing 40 pounds) until the vehicle is WARNING! brought to a stop. Do not allow the This procedure is recommended No indication will be given via the wheels to lock up. for new vehicles where less lever dashboard warning lights or buzzer actuation force is required. This 3. After stopping, release the parking if tires of the wrong size are installed procedure is mandatory whenever the brake lever and drive the vehicle on your vehicle. The Anti-Lock driveline brake shoes or brake drum at 20 mph (32 km/h) in a low gear Brake System (ABS) is calibrated are replaced. for approximately 2.5 miles, to for the specific tire revolutions per allow the brake drum to cool. mile. Use of a tire and/or wheel size WARNING! different from that originally installed 4. Repeat steps 1, 2, and 3 above on your vehicle may cause the ABS If a new drum or new brake shoes until a total of 10 stops have been system to not function during a hard are installed, the driveline brake completed. 4 braking event. This could cause an must be burnished. Failure to prop- 5. Adjust the parking brake lever. See accident or serious personal injury. erly burnish the parking brake before the Medium Duty Maintenance Consult with your Peterbilt dealer putting it in service could result in Manual. before using a different tire and/or an inoperative parking brake, pos- wheel size than was originally in- sible vehicle rollaway, and serious stalled on your vehicle. personal injury or damage to the vehicle.

1. Drive the vehicle at 15 mph (24 km/h) in a low gear (first or second) on a dry, hard road surface. 2. Apply the parking brake lever with a moderate force (approximately

4-40 Y53-6060-1C1 (03/17) OPERATING THE BRAKE SYSTEM

Retarders pressure to slow the drivetrain. Use WARNING! the service brakes for quick stops. Various retarders are available which Do not use any of the vehicle’s re- function against the engine, driveline, tarders in any situation that requires Do not use the retarder when operating or transmission. These are devices an immediate stop and/or in situa- on road surfaces with poor traction that use your engine’s power to slow tions of poor traction (such as wet, (such as wet, icy, or snow covered down your vehicle. They save wear icy or snow covered roads). Trying roads or gravel). Retarders can and tear on your service brakes and to use the retarder instead of the ser- cause the wheels to skid on a slippery can be a safety feature, too, because vice brakes may cause a loss of ve- surface. they can keep your brakes from hicle control which may result in an overheating. accident involving death or personal injury. Ideally, you should always slow your vehicle with your retarder (where 4 permitted by law) and use your service WARNING! brakes only for stopping completely. The service brakes must be used in Operating this way will greatly prolong an emergency. The retarder alone the life of your brakes. might not stop you fast enough to prevent an accident. Failure to comply may result in death, personal injury, equipment or property damage.

The retarder is NOT intended as the primary brake for the vehicle, nor is it an emergency brake. The retarder only helps the service brakes by using

(03/17) Y53-6060-1C1 4-41 OPERATING THE BRAKE SYSTEM

Driving Bobtail or with an Unloaded Transmission Retarder Trailer WARNING! Do not rely on your automatic trans- We recommend that you do not use mission hydraulic retarder to stop your engine retarder to slow down your vehicle. If your engine shuts when you are bobtailing or pulling an If you have this option, it will act down, the vehicle’s retarder will empty trailer. like a brake to slow your vehicle cease to operate which may lead without using the brakes. Take your to an accident involving death or WARNING! foot off the throttle and operate the personal injury. Always be ready to Using an engine retarder can cause retarder switch. When you do not suddenly apply the service brakes. a wheel lockup. The trailer is not need full retarder effect, you can loading the tires enough to give apply it intermittently (off and on) 4 the traction you may need. When to cause gradual or partial slowing. you are bobtail or unloaded, you Continuous application of your retarder can have a serious accident if your will cause your hydraulic fluid to get wheels lock suddenly during brak- hotter. Intermittent application will help ing. You could be killed or injured. prevent overheating. Don’t use your retarder when you are driving bobtail or with an unloaded trailer.

4-42 Y53-6060-1C1 (03/17) OPERATING THE BRAKE SYSTEM

Parking Brake brakes but will not disengage the trailer Parking brakes work in reverse action parking brakes (if applicable). Either of the regular brakes. When the knob will pop back out if the system parking brakes are engaged, air is pressure is not above 60 psi (414 kPa). exhausted from the spring chambers which allow the spring to engage the The instrument panel display will brakes. This design also provides for provide a message any time the the safety function if a brake circuit parking brakes (vehicle or the trailer) has a leak and loses air. In such a are set and the vehicle is put into scenario, the parking brakes will apply. motion.

The vehicle’s parking brake controls are the yellow diamond shaped knob on your dash board. If the vehicle is 4 equipped to tow a trailer, then there will be an additional red octagon shaped knob for the trailer parking brakes. Parking brakes will be engaged when either of these knobs are pulled OUT. (If one knob is pulled out, the other knob will automatically pop out.) 1. Normal Run Position Pushing IN a knob will disengage 2. Trailer Park With Vehicle the respective parking brakes. If you Released push in the yellow knob only, you 3. System Park or Trailer will disengage the vehicle’s parking Charge With Vehicle Parked

(03/17) Y53-6060-1C1 4-43 CRUISE CONTROL

CRUISE CONTROL (48 km/h) for the Cummins and PACCAR PX series engines) and Changing the Cruise Set Speed Cruise Control Switch the engine speed is above 1100 rpm. For vehicles with cruise control buttons on the steering wheel, the cruise This vehicle may have cruise control 2. Press the "ON/OFF" button. switches located on the steering wheel speed may be changed by using the instead of the switches on the dash 3. Accelerate the vehicle to the +/- button. The pressing and holding board. The instructions are still the desired cruise speed. the + button will increase speed while same. pressing and holding the - button will 4. Press the "SET" button to set the decrease speed. For vehicles with • To Turn On: cruise speed. dash mounted cruise control switches, changing the speed is done through Press the ON/OFF button. NOTE the "Set/Resume" button. To increase 4 the speed, press and hold the Set • To Turn Off: Cruise Control may not hold the set speed going down hills. If the speed button. To decrease the speed, press and hold the "Resume" button. Press the ON/OFF button. Any increases going down a hill, use the previous speed settings are cleared. brakes to slow down. This will cancel Cruise Control. Cancelling Cruise Control Using Cruise Control While Driving You can cancel cruise control in any of these ways: Setting Cruise Speed 1. Ensure that the vehicle speed is • Tap the brake pedal. above the minimum cruise control • Tap the clutch pedal. speed (19 mph (30 km/h) for PACCAR MX engine and 30 mph

4-44 Y53-6060-1C1 (03/17) CRUISE CONTROL

• Press the ON/OFF button if the Setting Idle Speed NOTE vehicle has dash board mounted cruise control switches or the 1. Ensure parking brakes are applied. Cruise control functions and features may vary depending upon CANCEL button if the vehicle has 2. Ensure transmission is in Neutral. cruise control switches on the which engine you have. For specific steering wheel. 3. Engage PTO per the explanation of your cruise control, manufacturer's operating see the cruise control or engine Resuming Cruise Control instructions. manual included with your vehicle. 1. If you tapped the brake or 4. Press the "ON" button. clutch pedal, the cruise control This vehicles electronic system will 5. Press the "SET" button to obtain remembered the previously set perform a ‘rationality check’ every time the desired engine rpm. cruise speed. To resume that the vehicle is started. This check is set speed, accelerate above the to ensure that the service brakes are 4 Cancelling Cruise Control minimum cruise control speed and working before allowing cruise control press the "RESUME" button. to function. This safety feature is You can cancel cruise control in any designed to ensure that a driver is able 2. If you pressed the "OFF" button of these ways: to cancel the cruise set speed by using (or the steering wheel mounted • Tap the brake pedal. the service brake pedal. The system "CANCEL" button) or turned the will not allow cruise control operation if ignition key OFF, this cleared the • Tap the clutch pedal. it does not pass the ‘rationality check’. system memory and you will need The instrument cluster will prompt you to set a new cruise speed. • Press the "OFF" button (or to press the service brake pedal if it the steering wheel mounted has not been pressed since the vehicle Using Cruise Control for Stationary "CANCEL" button). has been started. PTO Operation

(03/17) Y53-6060-1C1 4-45 CRUISE CONTROL

In vehicles with Eaton transmissions, the cruise control switches may be located on the shift control knob.

4-46 Y53-6060-1C1 (03/17) AXLE AXLE In the LOCK position, continuous WARNING! operation on paved, dry surfaces, put Do not put the differential lock in the Differential Lock stress on the axles, and can possibly LOCK position while the wheels are damage the internal gears. The switch The vehicle may be equipped with spinning freely (slipping), you could has a guard to prevent accidental switches to lock the either of the rear lose control of the vehicle or cause operation of the switch. axle differentials. Depending on how axle damage. Switch to LOCK only the vehicle is specified, a combination Locking the differentials is typically when the wheels are not spinning. individual switches may be available used during ice or snow conditions Failure to comply may result in that can lock the interaxle driveline and without tire chains, unpaved roads death, personal injury, equipment or and/or any combination of the forward that have loose sand, mud or uneven property damage. rear or rear-rear driving axles. surfaces. Look ahead and predict when the differential needs to be 4 locked. Stop the vehicle and lock the differentials before approaching.

While using the differential in the The interaxle differential switch allows locked position, do not exceed 25 mph each axle to turn independently. (40 km/h). When disengaging the In certain situations, engaging the differential lock, reduce the throttle to interaxle differential lock relieves prevent drivetrain damage. stress on the rear axles and reduces tire wear. Engaging this switch will also provide better traction in slippery or loose gravel conditions.

(03/17) Y53-6060-1C1 4-47 AXLE

Dual Range (Two-Speed) Dual Range Axle Operation Rear Axle CAUTION Important tips on operating a Dual If you shift the axle range with the Range Axle with Interaxle Differential: inter-axle differential in LOCK, you could seriously damage the axles. Shift the axle with the inter-axle Never shift the axle range with the differential in the unlocked position Your vehicle may be equipped with a differential locked. two-speed or dual range axle (option). only. You can select two rear axle ratios for When you are driving with poor operating under heavy loads or rough traction, lock the differential. When terrain as well as for over the road you have the differential locked, drive hauling. with the axle in LOW range only. 4 The Low Range provides maximum When you are driving on a surface torque for hauling heavy loads or with good traction, keep the interaxle traveling over rough terrain. The High differential unlocked. You can drive Range is a faster ratio for highway with the axle in the LOW or HIGH speeds and general over the road range. conditions. A switch on the accessory switch panel controls the Dual Range Always UNLOCK the inter-axle Rear Axle. You will notice that the differential before shifting the axle switch has a guard to protect you from speed range. activating it accidentally. Always park your vehicle with the range selector in LOW.

4-48 Y53-6060-1C1 (03/17) AXLE

Starting-Up WARNING! When going downhill the wheels will 1. Unlock the inter-axle differential not slow down, but will tend to speed Never shift the axle when moving before starting. up, which makes gear synchronization downhill. Engine driveline disen- almost impossible. As a result, the 2. Put the Range Selector in the gagement may occur, eliminating axle is neither in HIGH nor LOW range LOW range. Shift the transmission engine retardation and allowing the and all engine/driveline retardation is to start the vehicle moving. wheels to spin faster than the cur- lost. Without engine retardation it is rent speed of the engine. This may 3. When you are driving on rough more difficult to slow the vehicle down require severe braking to slow the terrain and secondary roads, or and greater stress is put on the brake vehicle down and can result in an ac- under a very heavy load, keep the system. axle in the LOW range. Shift the cident. Failure to comply may result in death, personal injury, equipment transmission to maintain proper CAUTION road speed. or property damage. To avoid damaging your vehicle shift 4 Proper shifting of the axle depends on the axle at slower travel speeds until the synchronization of engine/driveline you are used to driving with a dual and wheel speed. When you shift range axle. the axle, the connection between the engine and wheels is momentarily disengaged while the gearing is synchronized. Normally when the axle is shifted the speed of the engine, axle, and wheels adjust, allowing for proper gear engagement.

(03/17) Y53-6060-1C1 4-49 AXLE

LOW to HIGH (Cruising) HIGH to LOW (Rough Terrain) Auxiliary Axles - Pusher or Tag When you go from rough terrain to If you need to downshift the axle for highway driving, shift the axle to the more power or you are driving on HIGH range following this procedure: rough terrain: 1. Be sure the differential is 1. Maintain your vehicle speed UNLOCKED. (accelerator depressed) and move Adjustable auxiliary axles (commonly the Range Selector lever to LOW. 2. Maintain your vehicle speed known as Pusher or Tag axles) can (accelerator depressed) and move 2. Keep driving with the accelerator add to the productivity of the vehicle by the Range Selector lever to HIGH. depressed until you want the axle increasing the load capabilities of the to downshift. vehicle when they are in the deployed 3. Keep driving with the accelerator (down) position. There are different 4 depressed until you want the axle 3. To make the axle downshift, configurations of axles with different to shift. release and depress the functionality (liftable versus steerable) accelerator quickly to increase the 4. To make the axle shift, release the Without the extra axle, the excessive engine RPM. The axle will shift to accelerator until the axle shifts. weight can reduce the service life LOW range. You are now in the HIGH axle of vehicle components such as, but range for highway speeds. Shift 4. You are now in the LOW axle not limited to, the frame rail, axles, the transmission normally to reach range for rough terrain and heavy suspension and brakes. your desired cruising speed. loads. Shift the transmission normally to maintain the desired Operation of the auxiliary axles speed. includes the proper maintenance of the system and calibration of its controls. Operating the auxiliary axles will also require a firm understanding of the

4-50 Y53-6060-1C1 (03/17) AXLE

GAWR and the load that is being axle manufacturer and are based on carried. axle model and intended service of WARNING! the vehicle. Contact an authorized Do not operate or park the ve- The vehicle will have switches on the dealership if you are unable to identify hicle with auxiliary axles in the dash to control the position of the the axle creep rating of this vehicle. down/loaded position when vehicle auxiliary axles. In certain situations, is unladen, or is being unloaded. • Liftable/steerable (axle lift however, the system will override the Raise or dump air into driver-con- calibration required) controls to protect the axle system. trolled auxiliary axle(s) prior to un- Any liftable and steerable auxiliary • Liftable/non-steerable (axle lift loading vehicle. Failure to do so axles will rise off of the ground when calibration required) can result in loss of vehicle control the parking brakes are engaged or or rollaway that may result in death, when the vehicle is put in reverse. • Non-liftable (some suspensions personal injury, equipment or prop- If the liftable auxiliary axle is not a require dump valve calibration) erty damage. steerable axle, then it will remain in the 4 down position when activated by the dash mounted switch.

Operating the auxiliary liftable axles must be performed in a manner that does not exceed the axle creep rating. Axle creep ratings are weight and speed limits that are allowed while the vehicle is fully loaded (in excess of the vehicle’s standard GAWR) and the axle is in its up position. Axle creep ratings are assigned by the

(03/17) Y53-6060-1C1 4-51 AXLE

Axle Creep Rating Definition ratings are generally limited to the Creep Ratings following: WARNING! Never operate the vehicle with more Low speed, off-highway (work site) • Tandem rear axles only pressure in the lift axles than is nec- axle loads, which exceed the standard • Straight trucks only essary to carry the load, as deter- gross axle weight rating (GAWR) of a mined by the calibration procedure particular axle. • Maximum spring mount described. Failure to do so can re- centers per axle manufacturers sult in loss of traction and stability at Operator's using vehicles equipped specifications with liftable auxiliary axles must the steer and/or drive axles and can consider creep ratings when any • Maximum tire static loaded radius result in increased braking distance liftable axle is unloaded or in the raised (SLR) per axle manufacturers which could cause loss of vehicle position. Liftable auxiliary axles should specifications control resulting in an accident. Fail- 4 only be raised (or unloaded) to improve ure to comply may result in death, maneuverability in an off-road use or CAUTION personal injury, equipment or property damage. when vehicle is unloaded. Always lower the axles as soon as possible after receiving a load. NOTE Never exceed 5 miles per hour when CAUTION Axle Creep ratings MUST NOT be driving with a load with the auxil- Do not modify the air system and/or exceeded. iary axle(s) raised/unloaded. Failure control functionality on a factory in- to lower the axle(s) can overload stalled auxiliary axle(s). Modifying Contact your dealer or axle the frame and remaining axles, and the factory operation of the pusher manufacturer to determine what could cause equipment damage. and/or tag axle(s) will void your war- the creep rating is for your particular ranty, and can cause equipment axle(s) and configuration. Creep damage.

4-52 Y53-6060-1C1 (03/17) AXLE

Liftable/Steerable or Setting the Pressure-to-Load Ratio CAUTION Liftable/Non-Steerable Pusher To obtain the desired axle load A change in tire size on either the and/or Tag Axle Calibration distribution, you must correlate the auxiliary axles or the drive/steer Procedure suspension air gauge pressure to the axles can change the calibration Below are some general instructions actual axle load by scaling the axle of the auxiliary axles. If tires are on how to adjust and calibrate the air weight(s) and adjusting the pressure installed with a different loaded ra- control valve for the auxiliary axles to to obtain the desired load. Once the dius, the calibration procedure must obtain the proper load distribution of desired load or load range is achieved, be repeated. Failure to do so can the axle(s). For additional operating document the pressure-to-load ratio or cause equipment damage. and maintenance instructions, see the setting for future use. pusher or tag suspension manufacturer literature in the glove box or contact them directly. 4

NOTE This procedure must be performed prior to placing the vehicle into service.

(03/17) Y53-6060-1C1 4-53 AXLE

General Calibration Guidelines Operation guidelines 4. Adjust the amount of load on each axle by turning the pressure These instructions are general in regulator clockwise to increase NOTE nature. For more specific instructions, the load or counterclockwise Steerable-pusher and/or tag axle(s) review the pusher or tag suspension to decrease the load. (The will raise when the transmission is manufacturers maintenance manual or suspension manufacturer shifted into reverse or when the contact the nearest authorized dealer. may publish pre-established parking brakes are applied. Pressure-to-Load Ratio Pressure NOTE Settings to assist you in achieving Perform this procedure at or near a an estimated ground load). weight scale. Procedure can be performed while parked on the weight 5. After setting the pressure to obtain scale if scale is available. the desired axle load, verify proper 4 ground loading with the weight 1. Park loaded vehicle on level scale. surface with wheels blocked. NOTE 2. Release vehicles spring brakes. (Do not release for Exceeding local, state or federal Liftable/Non-Steerable pusher or weight limits may result in cita- tag axles). tions. Contact your local commercial weight enforcement office for limits 3. Lower the pusher/tag axles with in your area. the axle lift control flip valve. (For some non-liftable axles, inflate air suspension).

4-54 Y53-6060-1C1 (03/17) AXLE

Maximizing Drive Axle Traction Coupling To A Loaded Trailer Unloading Operation

Adjust the pressure regulator control Inflate air springs of the auxiliary axles Always deflate air springs of the knob to a lower pressure until desired to the desired pressure after coupling auxiliary axles before attempting to traction is obtained. By reducing air to a loaded trailer while still maintaining unload vehicle. This allows maximum pressure at pusher or tag axle, load proper traction of the drive axles. traction of the drive axles to control the will be transferred to drive axles. Do vehicle. not overload drive axles.

(03/17) Y53-6060-1C1 4-55 AXLE

Non-liftable (Non-steerable) Axles

Some suspensions require dump valve calibration.

Example: Neway dead axles do not lift, but the air can be dumped out of them to unload them when empty. Air pressure is controlled via an adjustable regulator. These axles need to be calibrated for load.

Contact your authorized dealer or 4 axle/suspension manufacturer for dump valve calibration procedures.

4-56 Y53-6060-1C1 (03/17) SUSPENSION SUSPENSION Unladen Vehicle Propri- Ride Height, Setting Ride Height etary inches (mm) Rear Vehicles equipped with rear air Air Sus- Single Tandem suspensions have their ride height and pension Drive Drive axle (pinion) angle(s) preset at the factory. These are precision settings Air Leaf N/A 12.0 (305) and should not be altered. Incorrectly Air Trac 11.38 (289) 11.38 (289) adjusted ride height may result in Ride Height Measurement (Location Low Air Leaf improper interaxle U-joint working 8.75 (222) 8.75 (222) for Tandem Axles Shown) (Before angles. This can result in premature April 2004) driveline wear and driveline vibration. Fully Laden Vehicle Low Air 4 If your vehicle is equipped with a Propri- Ride Height, Leaf (After 6.75 (171) 8.75 (222) Peterbilt rear air suspension, and if it etary April 2004) inches (mm) Rear becomes necessary to reset the ride Low Low N/A 6.75 (171) height, you may temporarily set it by Air Sus- Single Tandem Air Leaf pension Drive Drive following the next procedure. Proper FLEX Air N/A 8.75 (222) ride height measurement and values Air Leaf N/A 11.70 (297) for a fully laden vehicle are shown in Air Trac 11.00 (279) 11.00 (279) Follow this procedure to temporarily the illustration and table below. Low Air 6.50 (165) 8.50 (216) set ride height. Leaf Low Low N/A 6.50 (165) Air Leaf FLEX Air N/A 8.50 (216)

(03/17) Y53-6060-1C1 4-57 SUSPENSION

WARNING! 2. Ensure the air supply and delivery plumbing of the height control valve Ensure that a vehicle is parked and is consistent with the following the wheels chocked before begin- illustrations. ning this procedure.

CAUTION Completing this procedure will enable you to safely reach the nearest Typical Height Control Valve (Rear authorized Peterbilt repair facility to View Looking Forward) have ride height and pinion angle re- 1. Alignment Dowel set using the proper equipment and 4 technique. Do this as soon as possi- NOTE ble to avoid potential driveline dam- • At least one of the mounting age. Typical Height Control Valve (Location holes in the height control valve on Vehicle) bracket will be slotted to permit NOTE rotating the valve. Suitable wheel chocks are at a minimum an 18-inch (46 cm) long 4x4. • On dual-valve systems, begin with the LH valve on the next step. 1. Ensure that the tractor is fully laden during this procedure. Do not use these procedures on a vehicle that is 3. Loosen the fasteners mounting a not laden (bobtail). height control valve to its bracket.

4-58 Y53-6060-1C1 (03/17) SUSPENSION

WARNING! 4. Rotate the valve either clockwise or 6. Torque the mounting fasteners to 55-75 Lb. in. (6.2-8.5 Nm.). • The rear of a vehicle will counterclockwise until air pressure in the air springs provides the ride height drop about 3 1/2 inches (88 7. Remove the alignment pin or dowel. mm) when the air springs are specified for that suspension. Measure the ride height from the bottom of the deflated. Ensure that no persons 8. Repeat Steps 2 through 6 above frame rail to the approximate centerline or objects that could be killed, for the RH valve on vehicles with a of the rearmost drive axle hub: injured or damaged are under dual-valve system. the vehicle before deflating the • For tandem axles, make the air springs. vertical measurement at the • To minimize risk of death, centerline of the suspension (see personal injury or property illustration on page 4-58). damage, do not use a dump 4 • For a single axle, make the valve to deflate the air springs. measurement in front of the axle, Rotate the height control in the area forward of the tires but valve(s) manually to ensure not past the suspension bracket. positive control of air spring deflation. 5. When at the correct ride height, • To minimize risk of death or ensure that the height control valve personal injury, keep away from lever is in the neutral position, then air springs as they are being install either the built-in alignment inflated. pin or a 1/8-inch (3 mm) dowel (see illustration on page 4-58).

(03/17) Y53-6060-1C1 4-59 SUSPENSION

Driving with Deflated Air control arm to center in the closed Springs position. 2. The air system can then be If an air spring is ruptured, there will pumped up to normal pressure for be enough air pressure to drive the continued operation. vehicle to a safe stop off the highway to investigate the problem. WARNING! WARNING! Do not drive the vehicle if the air pressure is less than 100 psi (690 Do not continue to drive with rup- kPa). Driving the vehicle with less tured air springs. The air loss can than 100 psi (690 kPa) could make cause the spring brakes to apply al- the brakes unsafe to use which lowing your brakes to drag and burn 4 could cause an accident involving up the linings, which could lead to an death or personal injury. accident causing death or personal injury. Do not continue to operate the vehicle in this condition. CAUTION Operating a vehicle with air suspen- You can get to a repair facility if you do sion bags either overinflated or un- the following: derinflated may cause damage to driveline components. If a vehicle 1. Remove the height control link must be operated under such condi- connected to the axle and to tions, do not exceed 5 mph (8 km/h). the suspension air valve control arm. This will cause the air valve

4-60 Y53-6060-1C1 (03/17) AFTER-TREATMENT SYSTEM AFTER-TREATMENT SYSTEM

Introduction

This vehicle will has an exhaust After-Treatment System (ATS), to control vehicle exhaust emissions, which consist of a Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR), Regeneration Switch and warning lights. The DPF will trap soot from the engine exhaust 4 gases. The SCR uses Diesel Exhaust Fluid to reduce the levels of NOx in the engine exhaust. The ATS will periodically clean (regenerate) the DPF. Please refer to the Exhaust Aftertreatment System Supplement provided with the vehicle for more detailed description of functionality and warnings.

(03/17) Y53-6060-1C1 4-61 DRIVING TIPS AND TECHNIQUES

DRIVING TIPS AND Coasting TECHNIQUES Coasting with the transmission WARNING! in neutral also prevents proper transmission component lubrication. Introduction Do not coast with the transmission During coasting the transmission is in neutral or with the clutch pedal driven by the rear wheels, and the This section covers additional driving depressed—it is a dangerous prac- countershaft gear (which lubricates tips and techniques on how to drive tice. Coasting in neutral may result the transmission components by oil your vehicle more efficiently. in damage to your drivetrain when splash) will only be turning at idle you try to re-engage the transmis- speed. sion. You could lose control of the vehicle which can lead to an accident involving death or personal in- 4 jury.

Do not coast with the transmission in neutral or with the clutch pedal depressed. Besides being illegal and dangerous, coasting is also expensive. It causes premature failure or damage to the clutch and transmission and overloads the brake system.

4-62 Y53-6060-1C1 (03/17) DRIVING TIPS AND TECHNIQUES

Descending a Grade Engine Overspeed the engine rpm to exceed maximum governed speed. WARNING! CAUTION Under normal load and road conditions Do not hold the brake pedal down To avoid engine damage, do not let operate the engine in the lower end of too long or too often while going the engine rpm go beyond the maxi- the range. down a steep or long grade. This mum governed rpm—valve damage could cause the brakes to overheat could result if overspeed conditions and reduce their effectiveness. As a occur. result, the vehicle will not slow down at the usual rate. To reduce the risk NOTE of an accident which could cause death or personal injury, before go- Often these recommendations are ing down a steep or long grade, re- secondary to maintaining an ade- 4 duce speed and shift the transmis- quate and safe speed relative to the sion into a lower gear to help control surrounding traffic and road condi- your vehicle speed. Failure to follow tions. procedures for proper downhill operation could result in loss of vehicle Operate the engine within the optimum control. engine rpm range and do not allow the rpm's to exceed the maximum governed speed. See your Engine Operation and Maintenance manual for information regarding engine rpm. When the engine is used as a brake to control vehicle speed (e.g., while driving down a grade), do not allow

(03/17) Y53-6060-1C1 4-63 DRIVING TIPS AND TECHNIQUES

Use of Tachometer to the engine. However, the governor Fuel - Excess Consumption has no control over the engine rpm The tachometer is an instrument that when it is being driven by the vehicle's The vehicle's fuel consumption is aids in obtaining the best performance transmission, for example, on steep connected to three important factors: of the engine and manual transmission, downgrades. Apply service brakes or maintenance, driving habits, and serving as a guide for shifting gears. shift to a higher gear. general condition of the road, traffic conditions, and vehicle load. Refer to the Engine Operation and Fuel economy and engine performance Maintenance manual for optimum are also directly related to driving engine rpm. habits: • If the engine rpm moves beyond • The best results in trip time and the maximum governed speed, fuel economy are obtained while 4 indicating an overspeed condition, driving the vehicle at a steady apply the service brake or shift to speed. a higher gear to bring engine rpm within the optimum speed range. • Shift into higher or lower gears (or apply the service brake) to keep • When driving downhill: shift to a engine rpm near the lower end of lower gear, use the engine brake the optimum operating range. (if so equipped), and use the service brake, keeping the engine • Avoid rapid acceleration and speed below 2,100 rpm. braking.

When the engine speed reaches its maximum governed speed, the injection pump governor cuts off fuel

4-64 Y53-6060-1C1 (03/17) DRIVING TIPS AND TECHNIQUES

Maintenance Maintenance factors affecting fuel Driving Habits consumption: Proper maintenance will keep the Wrong driving habits must be vehicle running like new even after • air and/or fuel filters partially corrected and the recommendations long periods of use. The driver must clogged on economic driving should be perform the daily and weekly checks followed. • engine valves out of adjustment of the vehicle. • injection pump improperly Driving factors affecting fuel synchronized consumption: • injection nozzles defective or • excessive speed and unnecessary uncalibrated fast acceleration • improperly inflated tires • long periods of idling 4 • wheel bearings improperly • driving with foot resting on the adjusted (manual transmission) clutch pedal • clutch improperly adjusted or worn (slipping) • fuel leaks

(03/17) Y53-6060-1C1 4-65 DRIVING TIPS AND TECHNIQUES

General Condition

Other factors affecting fuel consumption are related to loads and type of roads on which the vehicle operates. It is not always possible to choose the most adequate road, but it must be kept in mind that the ideal road is the one that allows a steady speed in high gear, without requiring frequent braking and acceleration.

The following general conditions 4 can affect fuel consumption: • overload • unbalanced load • very high load • inadequate roads • traffic conditions

4-66 Y53-6060-1C1 (03/17) STOPPING THE ENGINE

STOPPING THE ENGINE Turbochargers Refueling

Before Stopping the Engine This cooling-down practice is Air inside the fuel tanks allows water especially important on a turbocharged to condense in the tank. To prevent A hot engine stores a great amount of engine. The turbocharger contains this condensation while the vehicle is heat. It doesn’t cool down immediately bearings and seals that are subjected parked for extended periods of time, after you shut it off. Always cool your to hot exhaust gases. While the fill the tanks to 95 percent of capacity. engine down before shutting it off. You engine is operating, heat is carried Never fill to more than 95 percent will greatly increase its service life. away by circulating oil. If you stop the capacity as this provides room for engine suddenly, the temperature of expansion resulting from temperature Idle the engine at 1000 RPM for the turbocharger could rise as much as extremes. When refueling, add five minutes. Then low idle for thirty 100°F (55°C) above the temperature approximately the same amount to seconds before shutdown. This will reached during operation. A sudden each fuel tank on vehicles with more allow circulating coolant and lubricating rise in temperature like this could than one tank. 4 oil to carry away heat from the cylinder cause the bearings to seize or the oil head, valves, pistons, cylinder liners, seals to loosen. WARNING! turbocharger, and bearings. This Do not carry additional fuel contain- way you can prevent serious engine ers in your vehicle. Fuel containers, damage that may result from uneven either full or empty, may leak, ex- cooling. plode, and cause or feed a fire. Do not carry extra fuel containers, even empty ones are dangerous. Failure to comply may result in death, personal injury, equipment or property damage.

(03/17) Y53-6060-1C1 4-67 STOPPING THE ENGINE

Location of Fuel Shut-Off Valves Refuel Before the Final Stop WARNING! If your vehicle is equipped with shut-off Air space in your fuel tanks allows Diesel fuel in the presence of an ig- valves for the take-off and return lines, water to condense there. To prevent nition source (such as a cigarette) they are located on the fuel lines this condensation while you are could cause an explosion. A mixture entering the top of the fuel tank. Fuel stopped, fill your tanks to 95% of of gasoline or alcohol with diesel fuel shut-off valves for the fuel crossover capacity. increases this risk of explosion. Do line are on the bottom of the fuel tank, not remove a fuel tank cap near an at the crossover line connection. open flame. Use only the fuel and/or additives recommended for your engine. Failure to comply may result in death, personal injury, equipment or 4 property damage.

Specification: Use only Ultra Low Sulfur Diesel (ULSD) Fuel, as recommended by engine manufacturers. If you need further information on fuel specifications, consult the Engine Operation and Maintenance Manual.

4-68 Y53-6060-1C1 (03/17) STOPPING THE ENGINE

Final Stop Final Stopping Procedures 2. If you are parked on a steep grade, To make sure your vehicle is ready 1. Set the parking brake before leaving block the wheels. to go after a long stop (such as over the driver’s seat. To hold your vehicle night), please follow the suggestions while it is parked, don’t rely on: Suitable wheel chocks are at a below. Your vehicle will be easier to minimum an 18-inch (46 cm) long 4x4. get going when you are ready, and • Air Brakes it will be safer for anyone who might • Hand Control Valve for Trailer be around it. Please remember, too, Brakes that in some states it is illegal to leave the engine running and the vehicle • Engine Compression unattended. WARNING! 4 Using the trailer hand brake or air brakes to hold a parked vehicle is dangerous. Because they work with air pressure, these brakes could come loose. Your vehicle could roll, Blocked Wheels causing an accident involving death or personal injury. Always set the 3. Drain water from the air reservoirs. parking brakes. Never rely on the While the engine and air supply trailer hand brake or truck air brakes system are still warm, drain moisture to hold a parked vehicle. from the air reservoirs. Open the reservoir drains just enough to drain the moisture. Don’t deplete the entire

(03/17) Y53-6060-1C1 4-69 STOPPING THE ENGINE

air supply. Be sure to close the drains before leaving the vehicle.

4 Opening Drains

4. Secure the vehicle. Close all the windows and lock all the doors.

4-70 Y53-6060-1C1 (03/17) MAINTENANCE

PREVENTIVE MAINTENANCE SCHEDULE Introduction ...... 5-9 Maintenance Schedule ...... 5-12 LUBRICANT SPECIFICATIONS Introduction ...... 5-38 Engine ...... 5-38 Master Lubrication Index ...... 5-41 Fuller Transmission Lubrication ...... 5-45 Allison Transmission Lubrication ...... 5-47 Spicer Transmission Lubrication ...... 5-47 Oil Changes ...... 5-48 5 Meritor Axle Lubrication ...... 5-49 Eaton/Dana Axle Lubrication ...... 5-50 Wheel Bearing Lubrication ...... 5-51 Universal Joint Lubrication ...... 5-52 Steering Gear Lubrication ...... 5-52

(03/17) Y53-6060-1C1 5-1 MAINTENANCE

AIR SYSTEM Introduction ...... 5-54 Air Dryer ...... 5-57 Air Tanks ...... 5-59 Air Gauges and Air Leaks ...... 5-60 Air Compressor ...... 5-61 BRAKE SYSTEM Brake Adjustment ...... 5-63 CAB Exterior Maintenance ...... 5-71 Cleaning, Protecting and Weather Stripping . . . 5-72 5 Safety Restraint System - Inspection ...... 5-75 Windshield Wiper/Washer ...... 5-79 COOLING SYSTEM Cooling system maintenance ...... 5-80 Engine (Block) Heater ...... 5-84

5-2 Y53-6060-1C1 (03/17) MAINTENANCE

ELECTRICAL Electrical System ...... 5-85 Light Bulbs ...... 5-86 Bulb Specifications ...... 5-87 Fuses, Circuit Breakers and Relays ...... 5-87 Fuse Inspection and Replacement ...... 5-90 Adding Electrical Options ...... 5-90 Batteries ...... 5-91 Battery Care ...... 5-95 Battery Charging ...... 5-95 Electrical and Alternator Precautions ...... 5-98 Remote Keyless Entry ...... 5-98 5 ENGINE Engine Maintenance ...... 5-99 Engine Lubrication ...... 5-100 Accessory Drive Belts ...... 5-102 Engine Fan ...... 5-103 Air Intake System ...... 5-104

(03/17) Y53-6060-1C1 5-3 MAINTENANCE

Turbocharger...... 5-105 Air Cleaners ...... 5-105 ServiSignal™ Mini Indicator ...... 5-107 Exhaust System ...... 5-107 Engine Mounting ...... 5-107 FUEL SYSTEM Location of Fuel Shut-off Valves...... 5-109 Specification ...... 5-109 Fuel Filters ...... 5-109 FRAME Introduction ...... 5-110 5 FRONT AXLE AND SUSPENSION Axle Lubrication ...... 5-114 Inspection ...... 5-115 Wheel Alignment ...... 5-115 U-Bolt Torque ...... 5-116

5-4 Y53-6060-1C1 (03/17) MAINTENANCE

HEATER AND AIR CONDITIONER Introduction ...... 5-118 Air Filters ...... 5-120 Heater...... 5-120 Air Conditioner ...... 5-121 NOISE AND EMISSION CONTROL Noise Emission Warranty ...... 5-122 Inspection and Maintenance Instructions . . . . . 5-124 Noise Control System - Maintenance Log . . . . 5-129 REAR AXLE AND SUSPENSION General Maintenance ...... 5-132 Visual Inspection ...... 5-133 5 Rear Suspension Fasteners ...... 5-134 Rear Axle Lubrication ...... 5-135 Rear Axle Alignment ...... 5-137 STEERING SYSTEM Power Steering ...... 5-138

(03/17) Y53-6060-1C1 5-5 MAINTENANCE

Fluid Level and Refill ...... 5-139 Steering Shaft ...... 5-140 DRIVELINE Driveshaft Maintenance ...... 5-142 U-Joints ...... 5-142 TIRES AND WHEEL Tires ...... 5-143 Wheel Mounting and Fastening ...... 5-149 Wheel Replacement With Disc Brake Option . . . 5-151 Disc Wheels ...... 5-153 WHEEL BEARING 5 Wheel Bearing Adjustment ...... 5-154 TRANSMISSION AND CLUTCH Introduction ...... 5-155 All Transmissions ...... 5-155 Manual Transmissions...... 5-156 Clutch System Introduction ...... 5-156

5-6 Y53-6060-1C1 (03/17) MAINTENANCE

Clutch Adjustment — Normal Wear ...... 5-157 Automatic Transmissions ...... 5-158

(03/17) Y53-6060-1C1 5-7

PREVENTIVE MAINTENANCE SCHEDULE PREVENTIVE MAINTENANCE WARNING! WARNING! SCHEDULE Before attempting any procedures in If work has to be done with the the engine compartment, stop the engine running, always (1) set the engine and let it cool down. Hot parking brake, (2) block the wheels, Introduction components can burn skin on con- and (3) ensure that the shift lever tact. Failure to comply may result in or selector is in Neutral. Failure to Preventive maintenance program death, personal injury, equipment or comply may result in death, per- begins with the daily checks. See property damage. sonal injury, equipment or property Driver’s Check List on page 1-32 damage. for these routine checks. Routine vehicle checks can help avoid many WARNING! large, expensive, and time consuming If the engine must be operating to in- WARNING! repairs. The vehicle will operate better, spect, be alert and cautious around Exercise extreme caution to prevent be safer, and last longer. Neglect the engine at all times. Failure to neckties, jewelry, long hair, or loose of recommended maintenance can comply may result in death, personal clothing from getting caught in the void your vehicle’s warranty. Some injury, equipment or property dam- fan blades or any other moving en- 5 maintenance operations demand age. gine parts. Failure to comply may re- skills and equipment you may not sult in death, personal injury, equip- have. For such situations, please take ment or property damage. your vehicle to an authorized Service Center.

(03/17) Y53-6060-1C1 5-9 PREVENTIVE MAINTENANCE SCHEDULE

WARNING! WARNING! The following pages contain a table of maintenance tasks with the related Disconnect the battery ground strap When working underneath the vehi- intervals for each task on the right whenever you work on the fuel sys- cle without appropriate safety stands side of the table. The top of the table tem or the electrical system. When but with the wheels on the ground displays a guide to a maintenance you work around fuel, do not smoke (not supported), make sure that (1) interval and its schedule. Some or work near heaters or other fire the vehicle is on hard level ground, tasks are dependent on the vehicle hazards. Keep an approved fire ex- (2) the parking brake is applied, (3) application. These tasks will be tinguisher handy. Failure to comply all wheels are blocked (front and shown as separate tasks and will have may result in death, personal injury, rear) and (4) remove the ignition the words "ON HIGHWAY", "CITY equipment or property damage. key so that the engine cannot be DELIVERY" or "OFF-HIGHWAY" started. Failure to comply may result after the description. These tasks in death, personal injury, equipment WARNING! are differentiated because they are or property damage. Always support the vehicle with ap- dependent on the vehicle’s operating propriate safety stands if it is neces- environment. WARNING! 5 sary to work underneath the vehicle. A jack is not adequate for this pur- Never start or let the engine run in On highway is defined for applications pose. Failure to comply may result an enclosed, unventilated area. Ex- where the vehicle is NOT used off of a in death, personal injury, equipment haust fumes from the engine contain paved road during normal operation. or property damage. carbon monoxide, a colorless and City Delivery is defined for applications odorless gas. Carbon monoxide can where frequent start and stopping is be fatal if inhaled. Failure to comply required during normal operation and may result in death, personal injury, the highway is used infrequently and equipment or property damage. for short periods of time.

5-10 Y53-6060-1C1 (03/17) PREVENTIVE MAINTENANCE SCHEDULE

interval. Refer to Oil Changes on Off highway is defined for applications page 5-48 before you put a new where the vehicle may be driven off vehicle into service. the pavement on a regular basis, even if it is an infrequent basis and/or for a • The initial fill of lubricant in brief time period. manual transmissions must be changed before the end of the first Please contact an authorized maintenance interval. See Fuller service dealership if there are Transmission Lubrication on page questions regarding which interval 5-45 for specific information. to follow. Consult the supplier for specific recommendations where • If your vehicle is equipped with an discrepancies develop between these automatic transmission, consult recommendations in this table and the owner’s manual for it that came component supplier recommendations. with your vehicle to obtain lubricant check and change intervals. • Engine lubricating oil change intervals aren’t listed here. Refer 5 to your engine’s operating manual for recommendations. For specific information on maintenance procedures consult your vehicle maintenance manual. • The initial fill of drive axle lubricant must be changed before the end of the first scheduled maintenance

(03/17) Y53-6060-1C1 5-11 PREVENTIVE MAINTENANCE SCHEDULE

Maintenance Schedule

New Vehicle Maintenance Schedule

New Vehicle Maintenance Schedule After First Miles (km) 50 – 100 500 2,000 3,00 First (80 – (800) (3218) 0 –5, Operation\Frequency Day 160) 000 ( 4800 –800 0) Steering Shaft U-Bolts. (OFF-HIGHWAY) See Steering System on page 5-138. X Wheel Mounting. See Wheel Mounting and Fastening on page 5-149. X Front Axle U-Bolt Torque. See Front Spring Suspension U-Bolts on page 5-116. X Charge Air Cooler and Air Intake Pipe Clamps, re- torque fasteners. X Rear Suspension Fasteners. See Rear Suspension Fasteners on page 5-134. X 5 Transmission Lubrication. X 1. For Fuller transmission, see Fuller Transmission Lubrication on page 5-45. 2. For Allison transmission, see Allison Transmission Lubrication on page 5-47. 3. For Spicer transmission, see Spicer Transmission Lubrication on page 5-47. Axle Lubrication. 1. For Meritor axle, see Meritor Axle Lubrication on page 5-49. X 2. For Eaton/Dana axle, see Eaton/Dana Axle Lubrication on page 5-50.

5-12 Y53-6060-1C1 (03/17) PREVENTIVE MAINTENANCE SCHEDULE