25 35 50 60

80

125

KW

or on

Page 1

unit

•Issue B, October 1982

SECTION 155-199-933PT

CYLINDERS

6 6 6 4 6

desirable to allow a warming up peri­

is

enters the . When the has

DIESEL

bottom dead center, the intake valve

air

respective capacities:

The following is a list of engines and their which is cycle, described as a series of

The Buda diesel engines operate on a 4-

ton reaches top dead center. Upon the

-

(a) The intake valve opens just before the pis-

downward movement of the piston, a supply of

closes, completingcloses, the intake stroke.

fresh passed

MODEL

1.04

1.05

associated battery charging equipment. The electri­ cal controls may be mounted on the same a panel adjacent to the engine unit. In addition to

starting equipment and this section shall be used

start equipment imposes some penalties in oper­ provide for this. However, the warming up period ation that can be avoided in manual operation. For can be shortened or omitted under manual oper­ the above, some sets are equipped with automatic example, it ation if emergency conditions warrant. Likewise, a od before applying a load to an engine where applicable. It should be noted that automatic set, whereas automatic start equipment does not 6DT-317 SDCS-1125 8 Supercharged 100 6DT-468 4DC-645 shut down without an idling period may be permis­ 6DC-844 SDCS-2505 8 Supercharged 200 sible under certain circumstances. 6DCS-844 6 Supercharged ally described in the following order:

6DC-1879 events which take place in a cylinder between two 6DCS-1879 6 Supercharged firing periods.successive The four strokes, which are 150 completed in two revolutions, are gener­

NOTICE

BUDA 1

6

6 3

or disclosure outside the

Printed in U.S.A.

except under written agreement

1 in

use

Page

STATIONARY

4DC-645,

System

Not for

Page

Bell

ENGINE-ALTERNATORS

......

6DCS-844, 6DC-1879,

......

......

6DC-844,

......

Marginal arrows used to denote changes

It is reissued to: ing Buda diesel engines, models

This section describes the method ofoperat-

The Buda diesel engines are of the 4-cycle vertical type, operating at 1200 RPM. The

Contents

GENERAL TROUBLES GENERAL OPERATION

pany standards. (PAC)

accordance with AT&T's "Guidelines and Pro­ cedures for Safeguarding Information" and PAC's System Instruction (SI) 178.

are omitted.

Note:

• Include the appropriate legend on

• Update the format to conform to Pacific Com­

1. GENERAL

1. GENERAL

1.01 1.02

1.03

BELL SYSTEM BELL PRACTICES

Pacific Telephone

3. LUBRICATION

2.

6DCS-1879, SDCS-1125, and SDCS-1125, SDCS-2505.6DCS-1879, mounted on vibration dampening supports. The en­ starting motor connected to a separate battery and 4. engine is directly connected to its associated alter­ nator by means ofa flexible coupling. The two units driven pusher-type . Some engines are equipped 6DT-317, 6DT-468, common fabricated steel subbase, which in turn is

gine is cooled by means of a radiator and engine

with the exciter for the alternator are mounted on a with a starting motor which uses central office bat­ tery for operation, while others are equipped with a If

fil­

Engine

power.

lock out until

will

the series of five at­

in

for combustion.

air

Lubrication systems vary somewhat, de- The is of the positive displace- ment type and is gear driven from the tim­

pending on the engine model. Generally

The is a fly-ball, mechanical type, designed to be pre-set for maintaining with

On sets equipped with automatic start

equipment, a relay in this equipment is op­

When commercial power returns and re­ mains on the line for a predetermined peri­

11

1.07

1.08

1.09

1. 10 1.

1.

mounted on the side of the engine. The discharge of

fresh air from the blower creates an air pressure of approximately 7 pounds per square inch in the in­

ing gear train. Two rotors, each with three louvers, revolve with very close clearances in a housing pumped through fittings and drilled passages to var­ ious parts of the engine. On engines equipped with an oil cooler, the oil first delivers oil to the take manifold at maximum engine speed, thus pro­ viding additional

speaking, oil is drawn through a suction screen in

cooler and associated by-pass valve. An oil pressure relief or pressure regulation valve is also incorporat­ ed in the system to maintain proper lubricating oil pressure. The oil pressure gauge indicates the pres­ sure as maintained by the above regulator. An oil

the reservoir by the oil pump, and reservoir. overspeed) is exceeded.

manually re-set. When the alternator voltage reaches the proper value the load is transferred to close regulation any desired engine speed within the nominal idling and nominal maximum speed range, irrespective of engine load. In addition, the governor controls the engine idling speed to prevent stalling and the maximum speed to prevent racing. A trip ter is also provided to extract foreign matter from mechanism is provided to stop the engine in case a the oil before it is returned to the crankcase predetermined overspeed value (usually about 15% tempts, the control equipment

erated upon the failure commercial of the engine alternator. cranking starts immediately and discontinues when the engine starts. Should the engine fail to start within 8 seconds, a pause of 7 seconds will be fol­ lowed by a second cranking period of 8 seconds and od, as measured by the power transfer circuit, the so on so for a total five 8-second of cranking periods. load is transferred back to the commercial source. the engine does not start

,

drawn

the engine

by

exhaust valve opens

Both intake and ex-

-

Actual injection of the

venting pipe and hand­

-

air

Stroke-The

The fuel system consists essentially of a fuel Exhaust

fuel at to 1800 2000pounds per square inch Compression Stroke haust valves are closed and as the piston

tank with supply and return lines connected

Power Stroke

just before bottom dead center and stays

(b)

(d)

(c)

by the compression to ignite diesel fuel when the piston nearly reaches top dead center.

open throughout the upward movement of the piston allowing the exhaust gases to be expelled

begins before top dead center is reached and,

bustion of the fuel charge continues throughout moves upward the air is compressed. Sufficient heat (approximately 900° to 1000°F) is produced

from the cylinder. Near the end of the exhaust

the power stroke.

stroke, the intake valve opens allowing fresh air upon ignition, forces the piston downward. Com­ to enter and scavenge or clear out remaining ex­ haust gases from the .

1. 06 1.

Page 2

SECTION 155-199-933PT

manual for pumping fuel from a main

each cylinder. The individual plunger operations are and returns it to the . Most engines are equipped with an to the engine, fuel shutoff valve, primary filter, fuel operated valve on top of the secondary filter. Used power stroke. The quantity of fuel injected is deter­ in conjunction with the hand priming pump located transfer pump, secondary filter, pump, mined by the position of a metering helix in the injectors, and manual priming pump. Fuel is on the fuel injection pump, the low pressure fuel from the supply tank through the primary filter by pump plunger, which position is in turn controlled line can be vented of air. Some sets are provided the transfer pump and pumped through the second­ ary filter to the high pressure injector pump. This pump is gear driven and functions to operate, by cess fuel, delivered by the fuel transfer pump, tank to the auxiliary tank. means of , an individual pump plunger for

tive injectors in each cylinder at the start of each

by the control rod setting as adjusted with an auxiliary fuel tank in the engine base, and a controls and governor. The return line carries off ex­

timed to pump fuel at high pressure to their respec­

through the check valve in the fuel injection pump 6

if

fur­

Page 3

Always allow Always

155-199-933PT

tank.

months in a storage tank or

SECTION

6

WILL IGNITE AND BURN

IT

use in this connection.

ISS B,

for

Care must be used to prevent dirt entering a fuel oil storagefuel oil tank. See that the supplier or

Routine checks on emergency power plant equipment shall be made during a period

Additional information on the control of

and maintenance of individual pieces of ap­

these sets which involves the equipment for

More detailed information on the operation

Before starting, go over the engine carefully

to that see there are no tools or other objects

WHILE DIESEL OIL IS NOT NORMALLY

CAUTION: AVOID THE USE OF AN OPEN EXPLOSIVE,

THROUGH THE MEDIUM OF AN OPEN

IF SUFFICIENT HEAT IS APPLIED AROUND THE ENGINE, PARTICULARLY

FLAME OR A PORTABLE LAMP WITHOUT A PROTECTING GUARD WHILE WORKING

NEAR ANY PART OF ITS FUEL SYSTEM. FLAME.

1. 16 1.

1. 17 1.

1. 18 1.

1. 19 1.

attendant cleans all equipment used in filling the

new fuel new to settle for at least 6 hours before using, at all practicable. Ordinary fuel oil that has been stored for more than

tank before placing fuel oil in the storage tank and dispose of it, but this may be avoided to a large extent by limiting the quantities of fuel of to oil such amounts that they will be used up engine base has a tendency to form gum. After months it is desirable to remove the fuel from the automotive diesel fuel.

may have a longer storage rating. Use standard drawingsand manuals furnished by the manufactur­

within this time. Stabilized or compounded fuel oils engine and alternator control, voltage regulation, and automatic start equipment, may be found in the

er. In some cases locally prepared drawings have paratus, including information which would be use­ been issued

when they cause will the least service reaction.

ful when an overhaul of the set is required, is to be found in the instruction manuals which are 2. OPERATION nished by the manufacturer with each set. Preparation for Starting

2.01

on it which could interfere with its operation.

cause

7

30

13

32 32 45 45 45 45

GALLONS

APPROXIMATE CAPACITY

a three-position switch which is left in the

The control equipment is also provided with

Sets equipped for automatic start are also

The engine should be kept clean and lu- well bricated as dirt and lubricationlack of

provided with low lubricating oil pressure,

The following may be used as a guide for purpose of maintaining rust inhibitor in

ENGINE

1. 12 1.

1. 13 1.

1.14

1. 15 1.

and is in position to repeat the same cycle of oper­ This transfer releases the controlling relay in the ations should another power failure occur. automatic start circuit which causes the engine to continue running for a period of 75 seconds before causing it to stop. This circuit then re-sets its timer

NORMAL position unless it is desired to test the

power failure by operating the controlling relay in

complete unit or to operate the engine alternator under manual operation. The switch can be operat­ ed to the TEST position and this will simulate a

the automatic start circuit, or the switch can be op­ pounds or if the water temperature exceedsapproxi­ erated to the MANUAL position which disconnects mately 195°F. the automatic start circuit and allowsthe engine to be started and controlled manually. trols in case the oil pressure drops below 20 to 25

from all points of lubrication before lubricant is and high cooling water temperature shutdown con­ applied. circulation system is approximately as follows: Buda 4DC-645 undue wear. Care should be taken to remove dirt Buda 6DT-317

cooling systems as covered in the Division 200 prac­ tices. The cooling water capacity of engine jacket Buda 6DC-1879

Buda 6DT-468 Buda 6DC-844 Buda 6DCS-844

Buda 6DCS-1879 Buda SDCS-1125 Buda SDCS-2505

· SECTION 155-199-933PT

2. 02 Make certain that there is fuel in the fuel 2.09 Starting in normal temperatures without an tank sufficient for the expected run. air heater:

2. 03 Make certain that the oil in the crankcase is (a) On large Buda engines equipped with a "De- at the proper level indicated by the marks compression" lever, set the lever in the DE­ on the gauge. The oil level in the crankcase should COMPRESSION position. Set the in never be permitted to fall below the LOW mark on mid-position. If provided, turn the heavy duty the gauge while the engine is operating. Should oil starting switch slowly, pausing at the first termi­ in the crankcase show a higher level than a previous nal to allow time for the gear to engage reading, examine the odor of the lubricating oil for a before turning the starting switch to the trace of fuel oil. If fuel oil is present, tighten all fuel CRANKING position. Otherwise, operate line connections, drain crankcase, and refill with START switch. As soon as the engine has turned fresh lubricating oil. If the appearance of emulsion a few revolutions, place the "Decompression" le­ or water in the crankcase is noted, steps should be ver in the OPERATING position while allowing taken to reseal the and then change the the starting motor to continue cranking. Do not oil. crank the engine for more than 10 seconds at one time. Allow 15 seconds between cranking periods. Note: On engines equipped with forced feed lu­ (b) On smaller Buda engines not equipped with brication, the FULL mark on the gauage is de- . a "Decompression" lever, set the throttle in signed to assure an adequate supply of lubricating the IDLING 650 RPM (approximately) position oil for long runs. However, experience with oil and operate the START switch. If the engine consumption of a particular engine may indicate does not start in 10 to 15 seconds release the that it is preferable to replenish the oil in the START switch and allow a 15 second interval be­ crankcase to a \evel slightly below this mark. fore attempting to start the engine again.

2.04 Lubricate parts requiring lubrication (see 2. 10 After engine starts, observe , that the Chart A). lubricating oil pressure gauge shows a posi­ tive registration, · indicating that oil is being sup­ 2.05 Close drain valves in exhaust line and silenc- plied to moving parts. If, after 10 or 15 seconds, no er. If the engine is equipped with an air ex­ pressure is indicated on the oil gauge, stop engine haust duct extending from the engine radiator to immediately and locate trouble. If oil pressure is in­ the outside see that any louvers, etc, provided in dicated, adjust throttle to operate engine at mini­ this duct are properly operated. mum speed until water temperature gauge starts to indicate a temperature rise. · 2.06 Open valves in fuel lines and start auxiliary fuel pump if one is provided in the line from 2. 11 Starting in cold temperatures using an air the main storage tank to the engine. If an auxiliary heater or a flame primer: tank is provided in engine base, operate auxiliary pump to fill this tank. (a) On engines equipped with electric air heater, operate the AIR HEATER switch 45 sec­ onds prior to operating the START switch. Hold 2.07 Close all water jacket or radiator drains if the AIR HEATER switch operated until engine open. When necessary, fill the cooling sys­ starts and release when START switch is released tem to within 2 inches of the top of the radiator cap. as described in 2.09. On installations equipped with a permanently piped water supply to the radiator, open the water supply (b) On engines equipped with a flame primer, if valve and note that water flows from the overflow necessary to aid in starting, proceed as fol­ drain. Do not allow excessive amounts of water to lows: Turn on primer ignition switch. Open throt­ drain, as this will reduce the rust inhibitor concen­ tle wide. Operate START switch and be sure en­ tration. gine is turning over before operating flame primer. Release pump plunger by turning 1/4 to 2.08 Note that the "Overspeed Trip" lever on the 1/2 turn in counter-clockwise direction and oper­ governor is in the FORWARD position. ate primer pump with smooth, even strokes, using

Page 4

cold, cold,

If If

Page Page 5

provided, provided,

hours, hours, or

if if

8 8

see see that it is warm.

to to

ISS ISS B, SECTION 155-199-933PT

Open Open the main line circuit breaker.

able. able. Ventilating fans, water , etc,

Remove Remove the load. Gradual removal is prefer­

Lack Lack of lubrication causes undue wear. Care

Keep Keep the engine clean and well lubricated.

oil oil level should be checked

Under Under prolonged operation, the crankcase

See See that the pressure, oil as indicated by the

water, water, as indicated on the water tempera­

The The maximum temperature of the cooling

pressure pressure gauge, does not fall below 20

the the oil in the fuel oil tank above the 1/4 full

During During a prolonged run, endeavor to keep

can can be connected, close the main line circuit

or or open windows as much as local conditions

Start Start the room ventilating fan,

When When it has been determined that the load

19 19

2.22 2.22

2.21 2.21

last. last. Stopping Stopping

which which may be part of the load should be stopped

brication brication before lubricant is applied.

2.20 2.20

should should be taken to remove all dirt from points of lu­

2. 2. it it indicates the filter Correct is clogged. as necessary.

oil occasionally

110°F. 110°F. Where the surrounding air temperature is

lined lined in Feel 2.03. the cover on top of the lubricating

oftener oftener if required to meet the requirements out­

should should not be permitted to exceed 195°F.

2. 2. 18 above above 110°F, the temperature of the cooling water

where where the surrounding air temperature is below

ture ture gauge, should not exceed 185°F for installations

2. 2. 17 condition. condition.

Running Running Should Should the oil pressure fall below 20 pounds, stop

pounds. pounds. Normal oil pressure is 35 to 40 pounds.

2. 2. 16

the the engine, determine cause, and remedy the

mark. mark.

2. 2. 15

tion tion of the load is desirable. permit. permit.

breaker. breaker. Load can then be applied. Gradual applica­

2. 2. 14

and and

Tum Tum

neces­

60 60

If If

of of the exciter

advance advance throt-

voltage voltage regulator

use use

up, up,

by by

the the voltage regulator is not equipped

Both Both the electric air heater and flame

frequency. frequency.

If If

Note Note that the AC voltage rises to the proper

value value (208 to 210 volts). The exciter field

After After engine has warmed

tle tle to RUN or operating position. Note that

necessary necessary to remove regulator from service as

primer primer (sometimes called a flame thrower) are

cylinders cylinders and thus facilitate starting in colder

designed designed to preheat air which is drawn into the

temperatures. temperatures.

Note: Note:

described described above.

regulator regulator potential and stabilizer leads should be

ment ment of the voltage regulator. Also, the voltage

nals nals to short in order to by-pass the rheostat ele­ if if

mine mine from circuit drawings which leads or termi­ move move control of exciter field

disconnected. disconnected. This method may be used to re­

Note: Note:

with with a switch for cutting it out of service, deter­

no-load no-load

13 13

conditions, conditions, it is advisable to pause briefly at the

sufficient sufficient power to run unassisted. Under these

help help of the starter and primer before developing

time time to absorb the heat generated.

off off primer ignition switch. At low temperatures end end of each pumping stroke to allow the engine

tum tum clockwise until spring catch engages.

throttle, throttle, push priming plunger all the way in and

pumping pumping stroke. With engine running, regulate

a a firm pressure of 10 pounds or more on the the the engine may fire for a time with the combined

voltage voltage by means of exciter field rheostat. With volt­

field field rheostat.

voltage voltage adjusted as required by

age age at proper value, load may then be applied and

switch switch to OFF or MANUAL position, and adjust

minimum minimum voltage position, operate voltage regulator

position position at all times unless the voltage regulator

remove remove the load, adjust exciter field rheostat to

essary essary to remove the voltage regulator from service,

gives gives an indication of failure. Should it become nec­

switch, switch, this may be left in the AUTOMATIC or ON

regulator regulator OFF-ON or MANUAL-AUTOMATIC

preset preset and should not require adjustment.

rheostat rheostat and the voltage regulator rheostat are

2. 2. rheostat. rheostat. On installations equipped with a voltage

sary, sary, adjust voltage by means of voltage regulator

2. 2. 12

er er

63 63 cycles, which from experience indicates the prop­ the the frequency meter reads the value, between poor combustion, lack of

air,

possible, use the same maintenance

If

On installations equipped with starting bat-

teries and trickle chargers, frequent checks

Record each attended run as per items on

the Engine Run Log, Form E 5697-PAC.

attended run shall be retained in the central

A copy of Form E 5697-PAC covering each

All main bearings of the engine and certain accessories such as supercharger, water

Sudden failure of the oil pressure would in-

dicate failure the of oiling system, whereas a

chanical difficulties, is usually traceable to

Anytrouble with the exception minor of me-

For a list the of possible troubles, which may

be encountered in the operation of the

operator. For parts requiring lubrication, see

the

2.34 time of power failure, or during test runs if a thermostatic control is provided to disconnect it.

shall be made, wherever practicable, to ensure that

procedures as are used for other batteries in the powerplant. the charger is functioning and that the battery is fully charged. Report 2.35

Readings shall be taken at the start and end of each

changes have been made. run and at one-half hour intervals during the run. When changes are made in the load during a run, 2.36 readings shall be taken as soon as practicable after 3. LUBRICATION

officefile. 3.01

pump, fuel pump, governor, etc, are provided with automatic lubrication and do not require lubrication 3.02 by Chart A.

normal pressure when starting with cold oil, then a

relief valve. Should the oil pressure fall below nor­ gradual drop in pressure normal below as the engine warms up may indicate a oil supply, low oil dilution,

4. GENERAL TROUBLES mal, stop the engine, determine cause, and remedy. wear on crankshaft bearings, or sticking oil pump air in the fuel lines, weak compression, improper 4.01

mixture of fuel and proper lubrication, or improper cooling. 4.02

troubles refer to the manufacturer's maintenance manual (see 1.06). engine and suggested means of correcting these

is

engine

run:

an air exhaust duct is provided be­

If

there is any danger of water freezing in

Certain of the above shutdown procedures

speed position. Allow the engine to idle for

Gradually retard the throttle to the idling Pull the engine stop control back to the

Stop the room ventilating fan, if provided Close valves in fuel lines, and stop auxiliary STOP position and hold until the fuel pump, if provided.

Open valve or drain in exhaust line and si- and operating from another source, power or lencer.

If the water jackets or other parts of the cool­

necessary. Check the amount of fuel in the tank and Clean the engine thoroughly and be sure it is Replenish the oil in the crankcase in as proper shape for the next run.

replenish as required to ensure that an am-

Routine runs shall be made in accordance

with Bell System Practices. On engines equipped with a Calrod or simi- lar type heater, provided to keep the water

25

may be omitted on automatic starting type plants

Note: direction. where various valves are under solenoid control

with spring loading in the reverse operating

31

SECTION 155-199-933PT 15 minutes 15 in order to cause a more uniform cooling

2.23 2.24 of engine parts.

2.

2.26

completely stopped. 2.27

close windows. any louvers, etc, are properly closed. 2.28

ing system and an antifreeze is not used, drain cool­

tween the engine radiator and the outside, see that emergency means, since the loss of rust inhibitor ing system and leave drains open. Draining of the cooling system should preferably be done only as an 2.29 would be uneconomical as a general practice. 2. 30 2.

2.

ple supply of fuel is available for the next Routine Runs and Checks

2.33 2.32

dinarily, this heater is connected to the main build­ temperature at a point which will facilitate quick Page 6 starting, checks shall be made as frequently as prac­ ing power source and is inoperative at the ticable to ensure that the heater is functioning. Or­ let

han-

Page 7

"T"

Never

After filter

fullness, may

level.

of

7 to 8

3 to 4 5 to 6 6 to 7

2 to 3

28 to 30

22 to 30

and drain before replac-

oil

Aeproximate Gallons

AMOUNT

overfill. To check pump level, add oil until

with fresh oil to indicated

oil required to fill the crankcase for each

ISS B, SECTION 155-199-933PT

of

below LOW mark.

the amounts shown.

do not

reservoir

go

Engine

which depending upon their state

vary

BUDA 2505

BUDA 317 BUDA 468 BUDA 645 BUDA 844 BUDA 1125 BUDA 1879

pour any oil over filter element.

Run".

etc,

CAUTION: DO NOT OVERLUBRICATE.

ing.

the oil level Disassemble cleaner and remove dirty oil and sludge from reser- 3 to 5 drops. stop Flex control cable when applying lubricant.

DO NOT Remove filler cap and clean by washing in fuel oil or petroleum

Drain old oil and refill according to instruction under "Beginning mally carried in the oil cooler, filters, strainers, lubricating pas- of Each mark to LOW mark on oil gauge, level fill to FULL mark on gauge.

voir. Wash the filter element in fuel oil or petroleum spirits to re- nor, open drain cock at rear of governor. Add oil slowly until it move dirt. Fill drips from drain cock. Close drain cock. element has drained, blow out with air and reassemble cleaner.

proximate amount On engines equipped with primary lube oil strainer, turn type engine is shown below. These amounts include the oil nor- may have accumulated on the element discs. sages, sometimes

Screw down on grease cup one turn while engine is running.

Checkoil level. Add oil if necessary to bring up to indicated level. on gauge, and start engine. After 5 minutes, recheck level and add oil as required to bring the level up to FULL mark. The ap-

CHART A

PART

LUBRICATION CHART

Fuel Injection

Bearings

Filler Cap spirits and blowing out with air. Dip in

Starting Motor Two or three drops. and Drive Pump

Governor and Check oil level, Fuel Injection a few drops appear from oil level overflow cock. To check gover- Stop Control Pump Linkage

CrankcaseOil Exciter Bearings

Primary Lube Oil Strainer die atop strainer two or three turns to dislodge any solids which Governor and Crankcase Where oil level has fallen more than /3 1 distance from FULL Crankcase Add oil as required to bring up to mark FULL on gauge.

Air Cleaner Throttle and

Crankcase Drain old oil and refill with fresh lubricant until level shows FULL

Water Pump

Alternator and

LUBRICANT

Note)

Note)

Note)

Note)

500 Hour Interval)

SECTION 065-330-101

In Lubrication System (See Oil 58-65 S210 (See (See Oil 58-65 S210

(See

(See Oil 44-47 S210

Grease

of

100

Continuous

INTERVAL

100 hours

Beginning Each Run Every8 Hours

Hours Oper- ation Or At Least Once A year

of

Every

Operation continuous

solvent, and

like

be disregarded.

valve in line with OFF).

of

may

force excessive amounts of

oil used where freezing tempera­

of

for air temperatures between 32°F.

not

force excessive amounts of grease

oil

AMOUNT

Do

not

Do

engines equipped with primary lube oil strainers, turn shut-off

Fill cup with grease.

Remove element and replace with new element.

Remove drain plug and drain housing. Remove cap holding top of

On valve to position OFF (flattened section

grease through fitting. Replace plug, if provided.

into cup.

strainer housing. Remove cartridge and wash thoroughly with fuel oil or petroleum spirits. Flush out housing with a wipe with a lintless cloth. Reassemble and be sure to turn shut- off valve to ON position.

plug has been removed.

CHART A (Contd)

PART

Filter

Lubricating Oil

4DC-645 Primary Lube Oil Strainer SDCS-1125

6DT-468 6DCS-844

Fan Hub Fill with grease through fitting or through hole from which grease

6DC-844

Supercharger Remove bearing cap, check that bearing chamber is 2/3 full. Add Water Pump Closed End grease, if necessary, to fill chamber 2/3 full. Bearing

6DCS-1879 6DC-1879 8DCS-2505

LUBRICANT

Andok 195P) C(

SECTION 065-330-101

provided, oil changes should contemplate seasonal changes with the lighter grade

40, 68-75 S210 oil for air temperatures over 60°F. Use SAE 30, 58-65 S210

In Lubrication System

In Lubrication System

Grease Water Grease Pump 70-200P Water Pump

Grease

SAE

NOT

Use

Note: and 60°F. Use SAE 20, 50-55 A210 for air temperatures between 10°F. and 32°F. In those cases where water jacket heaters are

INTERVAL

tures are expected. Where water heating is constantly applied, seasonal changes in ambient temperature

500 Hours Grease 200-250P

SECTION 156-199-933PT

Page 8

8 Pages