PARTS CATALOG & MAINTENANCE MANUAL SC20 23.5’ CONTAINER CHASSIS TANDEM SPRING SLIDER 1 PARTS CATALOG & MAINTENANCE SCHEDULE, FIRST RELEASE Published by PITTS ENTERPRISES, LLC. Copyright © 2018 by Pitts Enterprises. All rights reserved. This is a copyright work and Pitts Enterprises and it’s suppliers reserve all work in and to the work. You may not decompile, dis- assemble, reverse engineer, reproduce, modify, or create derivative works based upon the work without prior consent. You may use the work for your own noncommercial & personal use. Any other use of the work is strictly prohibited. PITTS ENTERPRISES TELEPHONE: 800-321-8073 FAX: WEBSITE: WWW.PITTSENTERPRISES.NET ADDRESS: 5734 Pittsview Hwy, Pittsview, AL 36871 DORSEY INTERMODAL TELEPHONE: 855-4-CHASSIS FAX: WEBSITE: WWW.DORSEYINTERMODAL.COM ADDRESS: 5734 Pittsview Hwy, Pittsview, AL 36871 2 TABLE OF CONTENTS GENERAL DIMENSIONS ................................................................. 4 MAINTENANCE SCHEDULE .......................................................... 5 MAIN FRAME ...................................................................................... 6 KINGPIN & UPPER COUPLER ........................................................ 7 SLIDER ASSEMBLY .......................................................................... 10 LOCKING DEVICES ........................................................................... 13 SUSPENSION .................................................................................... 15 AXLES ................................................................................................. 20 RIM & TIRE ......................................................................................... 23 TIRE INFLATION ............................................................................... 25 LANDING GEAR ................................................................................ 27 BRAKE SYSTEM ................................................................................ 31 ELECTRICAL ..................................................................................... 36 LIGHTING ........................................................................................... 38 DECALS .............................................................................................. 39 WARRANTY ........................................................................................ 40 3 GENERAL DIMENSIONS 4 RECOMMENDED MAINTENANCE SCHEDULE INITIAL EVERY EVERY EVERY EVERY EVERY AT BRAKE PERIOD MONTH THREE FOUR SIX TWELVE RE-LINE MONTHS MONTHS MONTHS MONTHS FRAME STRUCTURE X FRAME FASTENERS X FRAME FASTENERS TORQUE & X CORROSION KINGPIN & UPPER COUPLER X 30,000 LOCKING DEVICES X LANDING GEAR LUBRICATION X LANDING GEAR HARDWARE X SUSPENSION STRUCTURE X SUSPENSION FASTENERS 1,000 X TORQUE & CORROSION PIN CAGE FASTENERS TORQUE 1,000 X HUB CAP & WHEEL SEALS X BRAKE ADJUSTMENT & RE- X PACK WHEEL BEARINGS BRAKE LINING WEAR X CAMSHAFT COMPONENTS & X LUBRICATION BRAKE ADJUSTER & CLEVISES X LUBRICATION BRAKE DRUM X WHEEL END COMPONENTS X 100,000 BRAKE CHAMBERS & SLACK X ADJUSTERS 100,000 LUG NUTS & HUB CAP NUTS 50-100 X BRAKE CHAMBER PUSH ROD X AIR BRAKE SYSTEM X ELECTRICAL SYSTEM X 5 MAIN FRAME ASSEMBLY • MISSING COMPONENTS • FASTERNERS VISUAL INSPECTION • CRACKED WELDS BEFORE EACH OPERATION • CRACKED METAL • DISTORTED COMPONENTS PERIODIC INSPECTION • LOCKING DEVICES FUNCTIONING PROPERLY EVERY THREE MONTHS • SLIDER LOCK PIN S FUNCTIONING PROPERLY • LARGE ARES OF MISSING PAINT • ADNORMAL WEAR WARNING DAMAGED PARTS, CRACKED WELDS, OR ADNORMAL WEAR MAY RESULT IN PROPERTY DAMAGE, SERIOUS INJURY, OR DEATH. 6 KINGPIN & UPPER COUPLER ASSEMBLY • CRACKED WELDS • CRACKED METAL VISUAL INSPECTION • DISTORTED COMPONENTS BEFORE EACH OPERATION • LARGE ARES OF MISSING PAINT • ADNORMAL WEAR • USING A 48 INCH STRAIGHT EGDE, CHECK THE FLATNESS IN ALL PERIODIC INSPECTION DIRECTIONS. ANY BUMPS, VALLEYS OR WARPING WILL CAUSE UNEVEN LOADING OF THE FIFTH WHEEL, WHICH COULD RESULT EVERY THREE MONTHS OR IN DAMAGE TO THE TOP PLATE & POOR LOCK LIFE. REPLACE THE 30,000 MILES CHASSIS UPPER COUPLER PLATE IF FLATNESS EXCEEDS THE SPECIFICATIONS SHOWN BELOW. WARNING DAMAGED PARTS, CRACKED WELDS, OR ADNORMAL WEAR MAY RESULT IN PROPERTY DAMAGE, SERIOUS INJURY, OR DEATH. 7 KINGPIN • CRACKED WELDS • CRACKED METAL VISUAL INSPECTION • DISTORTED COMPONENTS BEFORE EACH OPERATION • ADNORMAL WEAR • NICKS • GOUGES PERIODIC INSPECTION • USING A KINGPIN GAUGE CHECK THE KINGPIN LENGTH. • USING A KINGPIN GAUGE CHECK THE WEAR ON BOTH THE 2 EVERY THREE MONTHS OR INCH AND 2.88 INCH DIAMETERS. REPLACE THE KINGPIN IF THE 30,000 MILES APPROPRIATE DIAMETERS ENTERS THE GAGE SLOT. WARNING DAMAGED PARTS, CRACKED WELDS, OR ADNORMAL WEAR MAY RESULT IN PROPERTY DAMAGE, SERIOUS INJURY, OR DEATH. 8 MAIN FRAME & UPPER COUPLER COMPONENTS KINGPIN UPPER COUPLER PLATE LANDING GEAR BRACKET FRIDINGEN DORESY INTERMODAL DORESY INTERMODAL 141125303 17-PRT-AP475 17-PRT-AP462 LANDING GEAR REINFORCEMENT LANDING GEAR CROSS BRACE LANDING GEAR CLIP DORESY INTERMODAL DORESY INTERMODAL DORESY INTERMODAL CURBSIDE: 17-PRT-AP463 17-PRT-AP013 17-PRT-AN042 ROADSIDE:: 17-PRT-AP464 GLADHAND PLATE TRIP ANGLE SLIDER WEAR PLATE DORESY INTERMODAL DORESY INTERMODAL DORESY INTERMODAL 17-PRT-AP456 17-PRT-AP465 17-PRT-AP467 9 SLIDER ASSEMBLY • MISSING COMPONENTS VISUAL INSPECTION • FASTERNERS BEFORE EACH OPERATION • CRACKED WELDS • CRACKED METAL PERIODIC INSPECTION • DISTORTED COMPONENTS EVERY THREE MONTHS • LARGE ARES OF MISSING PAINT • ADNORMAL WEAR WARNING DAMAGED PARTS, CRACKED WELDS, OR ADNORMAL WEAR MAY RESULT IN PROPERTY DAMAGE, SERIOUS INJURY, OR DEATH. 10 PIN CAGE ASSEMBLY • MISSING COMPONENTS • FASTERNERS • CRACKED WELDS • CRACKED METAL VISUAL INSPECTION • DISTORTED COMPONENTS BEFORE EACH OPERATION • VERIFY LOCKING PINS FULLY EXTEND & PASS THROUGH THE LOCKING HOLES IN THE MAIN FRAME • ADNORMAL WEAR • REMOVE ANY DEBRIS BETWEEN THE PIN CAGE & MAIN FRAME ASSEMBLY PERIODIC INSPECTION • CHECK PIN CAGE & MOUNTING PLATE AT THE FRONT OF THE SLIDER ASSEMBLY FOR DAMAGE. FIRST 1,000 MILES • CHECK MOUNTING FASTENERS TORQUE. TORQUE = 135-150 ft-lb & • CHECK LOCKING PINS, LINKS, ROD, & SPRINGS FOR WEAR OR EVERY FOUR MONTHS DISTORTION WARNING DAMAGED PARTS, CRACKED WELDS, OR ADNORMAL WEAR MAY RESULT IN PROPERTY DAMAGE, SERIOUS INJURY, OR DEATH. 11 SLIDER ASSEMBLY COMPONETS PIN CAGE TAIL LIGHT BAR INNER GUIDE HUTCHENS DORSEY INTERMODAL DORSEY INTERMODAL 17-PRT-AH986 CURBSIDE: 17-SUB-AH058 17-PRT-AP498 ROADSIDE: 17-SUB-AH059 LICENSE PLATE MOUNT AIR TANK BRACKET BUMPER ASSEMBLY DORSEY INTERMODAL DORSEY INTERMODAL DORSEY INTERMODAL 17-PRT-AP503 17-PRT-AP511 17-SUB-AH060 TUBE: 17-PRT-AH987 MUD FLAP BRACKET SLIDER WEAR PAD WEAR PAD SCREW DORSEY INTERMODAL HUTCHENS HUTCHENS 17-PRT-AP509 17-PRT-AP514 17-PRT-AJ467 12 LOCKING DEVICES • MISSING COMPONENTS • FASTERNERS VISUAL INSPECTION • CRACKED WELDS BEFORE EACH OPERATION • CRACK METAL • ENSURE TWIST LOCKS ARE RETAINED IN WORKING POSITION & LOCK PROPERLY PERIODIC INSPECTION • LUBRICATE TWIST LOCKS & ENSURE SMOOTH OPERATION ANNUALLY WARNING DAMAGED PARTS, CRACKED WELDS, OR ADNORMAL WEAR MAY RESULT IN PROPERTY DAMAGE, SERIOUS INJURY, OR DEATH. 13 LOCKING DEVICE COMPONENTS TWIST LOCK—RH SAFETY LATCH—RH BUFFERS OR TOCA BUFFERS OR TOCA 17-PRT-AF412 17-PRT-AF598 TWIST LOCK—LH SAFETY LATCH—LH BUFFERS OR TOCA BUFFERS OR TOCA 17-PRT-AF413 17-PRT-AF599 14 SUSPENSION • MISSING COMPONENTS • BUSHINGS WEAR VISUAL INSPECTION • FASTERNERS • CRACKED WELDS BEFORE EACH OPERATION • CRACKED METAL • BROKE OR CRACKED LEAF SPRINGS INITIAL BREAK IN PERIOD • ALL FASTENERS SHOULD BE CHECKED TO ENSURE THAT FIRST 1,000 MILES RECOMMENDED TORQUE VALUES ARE BEING MAINTAINED. PERIODIC INSPECTION • ALL FASTENERS SHOULD BE CHECKED TO ENSURE THAT EVERY FOUR MONTHS OR RECOMMENDED TORQUE VALUES ARE BEING MAINTAINED. 25,000 MILES WARNING DAMAGED PARTS, CRACKED WELDS, OR ADNORMAL WEAR MAY RESULT IN PROPERTY DAMAGE, SERIOUS INJURY, OR DEATH. DO NOT WELD LEAF SPRING. DO NOT OPERATE WITH CRACKED OR BROKEN SPRING. 15 SUSPENSION AXLE SEATS & BOTTOM PLATE WELDING INSTRUCTIONS 16 SUSPENSION TORQUE VALUES TORQUE ITEM NO FASTENER OILED 1 1 1/8”-12—EQUALIZER NUT 590 ft-lb 2 1”-14—RADIUS ROD NUT 540 ft-lb 3 7/8”-14—U-BOLT ASSEMBLY 350 ft-lb 4 5/8”-18—RADIUS ROD CLAMP NUT 130 ft-lb 5 5/8”-18—SPRING RETAINER NUT 35 ft-lb 1. FOR CONSISTENT CLAMP LOADS, LUBRICATE ALL FASTENERS & TORQUE TO OILED SPECIFICATIONS PER THE AXN TORQUE DECAL (AX-MS-TD-06-14). 2. U-BOLT NUTS MUST BE TIGHTENED IN ALTERNATING PATTERN. 3. AXN TORQUE DECAL (AX-MS-TD-06-14) SHOULD BE APPLIED ON THE ROADSIDE OF THE TRAILER IN CLEAR VIEW, ABOVE THE IN- STALLED SUSPENSION. 4. AFTER INITIAL BREAK IN PERIOD, CHECK FASTENERS TO ENSURE PROPERLY MAINTAINED TORQUE. U-BOLT TIGHTENING PATTERN 17 SUSPENSION ALIGNMENT 1. BEFORE TAKING AXLE ALIGNMENT MEASUREMENTS, MAKE SURE THE TRAILER IS UNLOADED AND FREE THE SUSPENSION OF ANY “BINDS” BY PUSHING THE TRAILER BACKWARD & THEN PULLING THE TRAILER FORWARD. WHILE PULLING THE TRAILER FORWARD ON A LEVEL FLOOR, APPLY THE BRAKES & RELEASE. THIS WILL ASSURE THAT AN ADJUSTABLE UNDERCARRIAFE IS IN ITS REARMOST LOCKED POSITION. THE TRAILER MUST BE LEVEL FROM SIDE TO SIDE AS WELL AS FROM FRONT TO REAR. 2. USE AXLE END EXTENDERS OR REMOVE THE OUTER WHEELS AND ANYTHING ELSE THAT MAY BE IN THE OF THE MEASURING TAPE TO ACHIEVE A STRAIGHT LINE FROM THE KINGPIN TO THE AXLE ENDS. 3. MEASURE DISTANCES A & B FROM THEKINGPIN TO FRONT AXLE. THESE MUST BE WITHIN 1/8 INCH OF EACH OTHER. MEASURE DISTANCES C & D BETWEEN AXLES. NOTE THAT ALL CURRENT AVAILABLE