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TABLE OF CONTENTS
1
INTRODUCTION
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
PRE-COUPLING OF SEMITRAILER AND TRACTOR . . . . . . . . . . . 3-3
COUPLING OF THE TRACTOR TO THE SEMITRAILER . . . . . . . . 3-4
CONNECTING TRACTOR SERVICES TO THE SEMITRAILER . . . . 3-5
TRACTOR AND SEMITRAILER CHECK-OUT . . . . . . . . . . . . . . . . . 3-5
TOWING THE SEMITRAILER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
PARKING THE TRAILER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
UNCOUPLING TOWING VEHICLE FROM SEMITRAILER . . . . . . . . 3-9
TRAILER TILT LEVER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
AXLE CONTROL LEVER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
LOADING PROCEDURE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
UNLOADING PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
WINCH CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
REMOTE CONTROL (OPTION). . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17
DOCK LEVELER CONTROL OPERATION . . . . . . . . . . . . . . . . . . 3-19
HYDRAULIC POWER SUPPLY ENGINE OPERATION. . . . . . . . . . 3-20
AIR RIDE OPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-23
FRONT EXTENSION/BULKHEADS . . . . . . . . . . . . . . . . . . . . . . . . 3-23
REAR IMPACT GUARD SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . 3-25
ANTI-LOCK BRAKE SYSTEM (ABS) . . . . . . . . . . . . . . . . . . . . . . 3-25
COLD WEATHER OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26
HOT WEATHER OPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26
MAINTENANCE SCHEDULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
MAINTENANCE PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
GOOSENECK, FRAME, AND DECK . . . . . . . . . . . . . . . . . . . . . . . . 4-6
HYDRAULIC SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
ELECTRICAL SYSTEM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
SUSPENSION MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
ALIGNMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
BRAKE SYSTEM MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . 4-15
HUB AND DRUM MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . 4-22
WHEEL BEARING LUBRICATION AND ADJUSTMENT. . . . . . . . . 4-24
TIRE MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-25
WINCHES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-27
HYDRAULIC ENGINE PACKAGE . . . . . . . . . . . . . . . . . . . . . . . . . 4-27
DOCK LEVELERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-28
5
TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Summary of Contents for 317C
Page 8: ......
Page 14: ...3 2 Figure 3 1 Front Trailer Terminology Figure 3 2 Rear Trailer Terminology...
Page 18: ......
Page 24: ...3 12 Figure 3 5 Steps for Loading and Unloading...
Page 30: ...3 18 Figure 3 10 Dock Leveler Operation...
Page 34: ...3 22 Figure 3 12 Front Extension Bulkhead...
Page 36: ...3 24 Figure 3 13 Rear Impact Guard and Antilock Brake System...
Page 40: ...4 2 Figure 4 1 Lubrication Points...
Page 45: ...4 7 Figure 4 2 317C 318C 319C Wiring Diagram...
Page 46: ...4 8 Figure 4 3 Remote Wiring Diagram...
Page 52: ...4 14 Figure 4 6 Checking Axle Alignment Figure 4 7 Examples of Camber...
Page 56: ...4 18 Figure 4 10 Axle and Brake Assembly...
Page 64: ...4 26 Figure 4 16 Mounting Tires and Wheels Figure 4 17 Stud Tightening Sequence...
Page 67: ...4 29 Figure 4 18 Dock Leveler Leg Assembly...
Page 68: ......
Page 78: ...5 10 NOTES...