DORSEY SC20 Parts Catalog & Maintenance Manual

23.5’ container chassis tandem spring slider

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PARTS CATALOG & MAINTENANCE MANUAL

SC20

23.5' CONTAINER CHASSIS

TANDEM SPRING SLIDER

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Summary of Contents for DORSEY SC20

Page 1 PARTS CATALOG & MAINTENANCE MANUAL SC20 23.5’ CONTAINER CHASSIS TANDEM SPRING SLIDER...
Page 2 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...
Page 3: Table Of Contents
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 ................
Page 4: General Dimensions
GENERAL DIMENSIONS...
Page 5: Maintenance Schedule
RECOMMENDED MAINTENANCE SCHEDULE INITIAL EVERY EVERY EVERY EVERY EVERY AT BRAKE PERIOD MONTH THREE FOUR TWELVE RE-LINE MONTHS MONTHS MONTHS MONTHS FRAME STRUCTURE FRAME FASTENERS FRAME FASTENERS TORQUE & CORROSION KINGPIN & UPPER COUPLER 30,000 LOCKING DEVICES LANDING GEAR LUBRICATION LANDING GEAR HARDWARE SUSPENSION STRUCTURE SUSPENSION FASTENERS...
Page 6: Main Frame
MAIN FRAME ASSEMBLY • MISSING COMPONENTS • FASTERNERS VISUAL INSPECTION • CRACKED WELDS BEFORE EACH OPERATION • CRACKED METAL • DISTORTED COMPONENTS • LOCKING DEVICES FUNCTIONING PROPERLY PERIODIC INSPECTION • SLIDER LOCK PIN S FUNCTIONING PROPERLY EVERY THREE MONTHS • LARGE ARES OF MISSING PAINT •...
Page 7: Kingpin & Upper Coupler
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.
Page 8 KINGPIN • CRACKED WELDS • CRACKED METAL VISUAL INSPECTION • DISTORTED COMPONENTS BEFORE EACH OPERATION • ADNORMAL WEAR • NICKS • GOUGES • USING A KINGPIN GAUGE CHECK THE KINGPIN LENGTH. PERIODIC INSPECTION • USING A KINGPIN GAUGE CHECK THE WEAR ON BOTH THE 2 EVERY THREE MONTHS OR INCH AND 2.88 INCH DIAMETERS.
Page 9 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...
Page 10: Slider Assembly
SLIDER ASSEMBLY • MISSING COMPONENTS VISUAL INSPECTION • FASTERNERS BEFORE EACH OPERATION • CRACKED WELDS • CRACKED METAL • DISTORTED COMPONENTS PERIODIC INSPECTION • LARGE ARES OF MISSING PAINT EVERY THREE MONTHS • ADNORMAL WEAR WARNING DAMAGED PARTS, CRACKED WELDS, OR ADNORMAL WEAR MAY RESULT IN PROPERTY DAMAGE, SERIOUS INJURY, OR DEATH.
Page 11 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 •...
Page 12 SLIDER ASSEMBLY COMPONETS INNER GUIDE PIN CAGE TAIL LIGHT BAR DORSEY INTERMODAL HUTCHENS DORSEY INTERMODAL 17-PRT-AP498 17-PRT-AH986 CURBSIDE: 17-SUB-AH058 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...
Page 13: Locking Devices
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...
Page 14 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...
Page 15: Suspension
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 RECOMMENDED TORQUE VALUES ARE BEING MAINTAINED. FIRST 1,000 MILES PERIODIC INSPECTION •...
Page 16 SUSPENSION AXLE SEATS & BOTTOM PLATE WELDING INSTRUCTIONS...
Page 17 SUSPENSION TORQUE VALUES TORQUE ITEM NO FASTENER OILED 1 1/8”-12—EQUALIZER NUT 590 ft-lb 1”-14—RADIUS ROD NUT 540 ft-lb 7/8”-14—U-BOLT ASSEMBLY 350 ft-lb 5/8”-18—RADIUS ROD CLAMP NUT 130 ft-lb 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).
Page 18 SUSPENSION ALIGNMENT 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.
Page 19 SUSPENSION COMPONENTS ITEM ITEM PART NUMBER DESCRIPTION PART NUMBER DESCRIPTION LEAF SPRING—LOW FH66-0100 FRONT HANGER 17-PRT-AJ756 ARCH FH66-0200 MIDDLE HANGER FH66-0507 AXLE SEAT FH66-0300 REAR HANGER FH66-0508 SPRING CLAMP PLATE FH66-0504/350 ADJ. RADIUS ROD FH66-0510 U BOLT NUT FH66-0515/480 FIXED RADIUS ROD FH66-0514 RADIUS ROD BOLT FH66-0509...
Page 20: Axles
AXLES AFTER FIRST 3,000 MILES EVERY 10,000 MILES EVERY 50,000 MILES EVERY 100,000 MILES AFTER FIRST MONTH EVERY MONTH EVERY SIX MONTHS EVERY TWELVE MONTHS CHECK BRAKE LININGS FOR WEAR CHECK BRAKE LINING TO DRUM CLEARANCE CHECK S-CAMSHAFT FOR PROPER OPERATION LUBRICATE S-CAMSHAFT BEARING BUSHINGS CHECK SLACK ADJUSTERS...
Page 21 AXLE COMPONENTS...
Page 22 AXLE COMPONENTS...
Page 23: Rim & Tire
RIM & TIRES • SEVERE RUST OR CORROSION • METAL CRACKS • BENT FLANGES • RUST STREAKS BEHIND LUG NUTS VISUAL INSPECTION • DEEP TOOL MARKS ON RINGS OR IN GUTTER AREAS • LOOSE, MISSING, OR DAMAGED NUTS BEFORE EACH OPERATION •...
Page 24 RIM & TIRES TIRE PRESSURE INSPECTION CHECK TIRE PRESSURE WHEN TIRES ARE COOL. DURING NORMAL OPERATION TIRE TEMPERATURES INCREASE. HIGHER ORESSURES MAYBE A SIGN OF OVERLOADING, UNDER INFLATION, EXCESSIVE SPEED, IMPROPER TIRE SIZE, OR A COMBINATION OF THESE FACTORS. WHEN THESE SIGNS ARE PRESENT, DETERMINE THE CAUSE & CORRECT.
Page 25: Tire Inflation
TIRE INFLATION SYSTEM A CHASSIS EQUIPPED WITH A TIRE INFLATION SYSTEM WILL FEATURE A CLEAR WARNING LIGHT MOUNTED ON THE CURBSIDE OF THE FRONT BOLSTER. THE MERITOR TIRE INFLATION SYSEM (MTIS) BY P.S.I. USES COMPRESSED AIRE FROM THE TRAILER TO INFLATE ANY TIRE THAT FALLS BELOW THE SYSTEM AIR PRESSURE SETTING DURING OPERATION.
Page 26 TIRE INFLATION SYSTEM COMPONENTS 31103-00 31114-00 31084-10 31083-28 31023-01 31083-23 31083-12 31083-09 31084-01 31083-02 31363-00 31314-21 31317-03 N2202-01 340-4370 31373-00...
Page 27: Landing Gear
LANDING GEAR • MISSING COMPONENTS VISUAL INSPECTION • FASTERNERS • CRACKED WELDS BEFORE EACH OPERATION • CRACKED METAL • EVERY THREE MONTHS AFTER MANUFACTURE’S STATED LUBRICATION MAINTENANCE FREE PERIOD. PERIODIC INSPECTION • ALL FASTENERS SHOULD BE CHECKED TO ENSURE THAT RECOMMENDED TORQUE VALUES ARE BEING MAINTAINED.
Page 28 LANDING GEAR JOST A440 ITEM NO PART NUMBER DESCRIPTION A.440L.T1.19 LANDING GEAR LEG, ROADSIDE A.440R.T1.19 LANDING GEAR LEG, CURBSIDE B10066.44.4 CROSS SHAFT C10592.2 CRANK HANDLE 2390 BOLT, HEX HEAD, 3/8”-16 X 2” LG. GR5 2403 WASHER, PLAIN 3/8” 2395 NUT, NYLON LOCK, 3/8”-16...
Page 29 LANDING GEAR JOST A400 ITEM NO PART NUMBER DESCRIPTION A.400L.T1.19 LANDING GEAR LEG, ROADSIDE A.400R.T1.19 LANDING GEAR LEG, CURBSIDE B10066.44.4 CROSS SHAFT C10592.2 CRANK HANDLE 2390 BOLT, HEX HEAD, 3/8”-16 X 2” LG. GR5 2403 WASHER, PLAIN 3/8” 2395 NUT, NYLON LOCK, 3/8”-16...
Page 30 LANDING GEAR AXN PRO50 ITEM NO PART NUMBER DESCRIPTION TLG50VC LANDING GEAR LEG, ROADSIDE JE0013A1 LANDING GEAR LEG, CURBSIDE HS0040S1 CROSS SHAFT LGP-BV-18 CRANK HANDLE 2390 BOLT, HEX HEAD, 3/8”-16 X 2” LG. GR5 2403 WASHER, PLAIN 3/8” 2395 NUT, NYLON LOCK, 3/8”-16...
Page 31: Brake System
BRAKE SYSTEM BRAKE CHAMBER • MISSING COMPONENTS • DAMAGE TO CAP • EXTERIOR SURFACES FOR DAMAGE , CORROSION AND/OR PERIODIC INSPECTION RUST • CLAMP RIMGS ARE SECURED & NOT DAMAGED • AIR LINES ATTACHED TO CHAMBER ARE NOT DAMAGED OR WHILE SERVICING OTHER LEAKING COMPONENTS OR EVERY...
Page 32 BRAKE SYSTEM SLACK ADJUSTER PERIODIC INSPECTION • CHECK BRAKE CHAMBER PUSH ROD TRAVEL. CHAMBER STROKE SHOULD BE IN COMPLIANCE WITH THE MAXIMUM AL- LOWABLE ADJUSTED STROKES WITHOUT THE BRAKES DRAG- EVERY MONTH, 8,000 MILES GING OR THE PUSH ROD BINDING. OR 300 OPERATING HOURS PERIODIC INSPECTION •...
Page 33 AIR BRAKE SCHEMATIC VISUAL INSPECTION • CHECK CONNECTORS, SEALS, & HOSES FOR CRACKS, MISS- ING SECTIONS, OR DAMAGE. • DRAIN THE AIR TANK OF WATER DAILY. BEFORE EACH OPERATION • INSPECT COMPONENTS OF THE SYSTEM FOR DAMAGE PERIODIC INSPECTION • LISTEN FOR AIR LEAKS.
Page 34 ANTI-LOCK BRAKE SYSTEM A CHASSIS EQUIPPED WITH ABS WILL FEATURE AN AMBER FAULT LIGHT MOUNTED ON THE CURDSIDE OF THE CHASSIS. THE ABS FAULT LIGHT SHOULD POWER ON DURING INITIAL START UP & THEN TURN OFF WITHIN A FEW SECONDS AFTER A SYSTEM SELF-CHECK IS PERFORMED. •...
Page 35 BRAKE SYSTEM COMPONENTS ABS ECU WHEEL SPEED SENSOR EXTENSION CABLE POWER CABLE WABCO 2S/M1 WABCO—12” WABCO—60” WABCO—1.65’ 17-PRT-AJ548 17-PRT-AJ548 17-PRT-AJ552 17-PRT-AJ550 GLADHAND AIR TANK PARKING BRAKE VALVE GROTE HOOSIER—12” DIAMETER SEALCO SERVICE: 17-PRT-AK830 17-PRT-AG093 17-PRT-AK661 EMERGENCY: 17-PRT-AK831 DRAIN VALVE BRAKE HOSE 3/8”...
Page 36: Electrical
ELECTRICAL SYSTEM WHITE: GROUND BLACK: TAIL LIGHTS & LICENSE PLATE LIGHT BROWN: CLEARANCE LIGHTS RED: STOP LIGHTS GREEN: RIGHT TURN YELLOW: LEFT TURN BLUE: ABS—CONSTANT PERIODIC INSPECTION • INSPECT ALL WIRING TO SEE THAT IT IS NOT DAMAGED, PROPERLY SUPPORTED & PROTECTED, & ALL CONNECTIONS ARE TIGHT.
Page 37 ELECTRICAL SYSTEM COMPONENTS MAIN HARNESS PHILLIPS 17-PRT-AP401 JUMPER HARNESS PHILLIPS 24”: 17-PRT-AP118 48”: 17-PRT-AP403 REAR SILL 60”: 17-PRT-AP119 PHILLIPS 17-PRT-AP402...
Page 38: Lighting
LIGHTING STOP/TAIL/TURN 4” ROUND SINGLE DIODE 17-PRT-AN887 CLEARNACE—RED 3/4” DOT SINGLE DIODE 17-PRT-AN885 CLEARNACE—AMBER 3/4” DOT SINGLE DIODE 17-PRT-AN884 LICENSE 3/4” DOT SINGLE DIODE 17-PRT-AN888...
Page 39: Decals
DECAL 17-PRT-AP020 17-PRT-AK005 17-PRT-AP017 1520 17-PRT-AK004 1503 WHITE: 17-PRT-AN887 WHITE: 17-PRT-AN887 YELLOW : 17-PRT-AF398 BLACK: 17-PRT-AP061 BLACK: 17-PRT-AP016 BLACK: 17-PRT-AN570 STRIP: 17-PRT-AF953 AMBER: 17-PRT-AP018 ROLL: 17-PRT-AF965 RED: 17-PRT-AP019 RED 4.5X9”: 17-PRT-AN377 RED 6X12”: 17-PRT-AN464 BLACK 4.5X9”: 17-PRT-AN378 BLACK 6X12”: 17-PRT-AN465...