Chapter 1. INTRODUCTION
OFFICIAL NOMENCLATURE, NAMES, DESIGNATIONS, AND ABBREVIATIONS.
CORROSION PREVENTION AND CONTROL (CPC). - TM-5-2330-325-14-P0013
Section II. EQUIPMENT DESCRIPTION AND DATA
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS.
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS. (cont)
LOCATION AND CONTENTS OF PLATES, DECALS, AND STENCILS.
EQUIPMENT DATA.
TIRES - TM-5-2330-325-14-P0019
Section III. PRINCIPLES OF OPERATION
Chapter 2. OPERATING INSTRUCTIONS
GOOSENECK COMPONENTS, CONTROLS AND INDICATORS.
TIEDOWN AND ACCESSORY ITEMS.
Section II. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
EXPLANATION OF TABLE ENTRIES
GENERAL PMCS PROCEDURES - TM-5-2330-325-14-P0026
Table 2-1. Operator Preventive Maintenance Checks and Services (PMCS) for M870A3 Trailer (MHET)
Table 2-1. Operator Preventive Maintenance Checks and Services (PMCS) for M870A3 Trailer (MHET) (cont) - TM-5-2330-325-14-P0028
Table 2-1. Operator Preventive Maintenance Checks and Services (PMCS) for M870A3 Trailer (MHET) (cont) - TM-5-2330-325-14-P0029
Table 2-1. Operator Preventive Maintenance Checks and Services (PMCS) for M870A3 Trailer (MHET) (cont) - TM-5-2330-325-14-P0030
Table 2-1. Operator Preventive Maintenance Checks and Services (PMCS) for M870A3 Trailer (MHET) (cont) - TM-5-2330-325-14-P0031
Table 2-1. Operator Preventive Maintenance Checks and Services (PMCS) for M870A3 Trailer (MHET) (cont) - TM-5-2330-325-14-P0032
Table 2-1. Operator Preventive Maintenance Checks and Services (PMCS) for M870A3 Trailer (MHET) (cont) - TM-5-2330-325-14-P0033
Section III. OPERATION UNDER USUAL CONDITIONS
TYPES OF LOADS
LOAD DISTRIBUTION.
CALCULATING CENTER OF GRAVITY
PAYLOAD CONFIGURATIONS.
Table 2-2. Common Equipment and Vehicle Payload Information
Table 2-3. Common Equipment Combination Payload Information
Typical Payload Configurations - TRAM
LOADING OR UNLOADING EQUIPMENT AND CARGO.
LOADING OR UNLOADING EQUIPMENT AND CARGO. (cont)
Unloading Procedure.
TIEDOWN PROCEDURES.
TRANSPORTING LOADS.
Antilock Braking System (ABS)
COUPLING GOOSENECK TO PRIME MOVER AND RAISING TRAILER.
COUPLING GOOSENECK TO PRIME MOVER AND RAISING TRAILER. (cont) - TM-5-2330-325-14-P0050
COUPLING GOOSENECK TO PRIME MOVER AND RAISING TRAILER. (cont) - TM-5-2330-325-14-P0051
COUPLING GOOSENECK TO PRIME MOVER AND RAISING TRAILER. (cont) - TM-5-2330-325-14-P0052
COUPLING GOOSENECK TO PRIME MOVER AND RAISING TRAILER. (cont) - TM-5-2330-325-14-P0053
DISCONNECTING GOOSENECK FROM TRAILER FOR LOADING OR UNLOADING.
DISCONNECTING GOOSENECK FROM TRAILER FOR LOADING OR UNLOADING. (cont) - TM-5-2330-325-14-P0055
DISCONNECTING GOOSENECK FROM TRAILER FOR LOADING OR UNLOADING. (cont) - TM-5-2330-325-14-P0056
CONNECTING GOOSENECK TO TRAILER.
CONNECTING GOOSENECK TO TRAILER. (cont) - TM-5-2330-325-14-P0058
CONNECTING GOOSENECK TO TRAILER. (cont) - TM-5-2330-325-14-P0059
UNCOUPLING GOOSENECK FROM PRIME MOVER.
UNCOUPLING GOOSENECK FROM PRIME MOVER. (cont)
CAGING THE BRAKES.
CAGING THE BRAKES. (cont)
Section IV. OPERATION UNDER UNUSUAL CONDITIONS - TM-5-2330-325-14-P0064
OPERATION IN EXTREME HEAT AND HIGH HUMIDITY.
OPERATION IN SALTWATER AREAS.
Chapter 3. OPERATOR MAINTENANCE
Section II. OPERATOR TROUBLESHOOTING PROCEDURES
OPERATOR TROUBLESHOOTING SYMPTOM INDEX.
Table 3-1. Operator Troubleshooting
BRAKES - TM-5-2330-325-14-P0071
HYDRAULIC SYSTEM
TIRES - TM-5-2330-325-14-P0073
Section III. OPERATOR MAINTENANCE
GLADHANDS.
AIR RESERVOIR SERVICE CHECK.
TIRE ASSEMBLY REPLACEMENT.
Tire Assembly Installed Correctly
Tightening Sequence for Lug Nuts
SPARE TIRE ASSEMBLY.
KINGPIN REPLACEMENT.
CLEANING.
Chapter 4. UNIT MAINTENANCE
Section II. SERVICE UPON RECEIPT
Section III. GENERAL MAINTENANCE INSTRUCTIONS
WORK SAFETY.
CLEANING INSTRUCTIONS
INSPECTION INSTRUCTIONS.
APPLICATION OF ADHESIVES.
TAGGING WIRES AND HOSES.
HEAT SHRINKABLE TUBING
LINES AND PORTS.
TUBES AND COMPRESSION FITTINGS.
FLUID DISPOSAL.
Section IV. UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
EXPLANATION OF TABLE 4-2 ENTRIES
GENERAL PMCS PROCEDURES. - TM-5-2330-325-14-P0097
PMCS INITIAL SETUP.
LUBRICATION DATA.
MANDATORY REPLACEMENT PARTS.
Table 4-2. Unit Preventive Maintenance Checks and Services (PMCS) for M870A3 Trailer (MHET)
Table 4-2. Unit Preventive Maintenance Checks and Services (PMCS) for M870A3 Trailer (MHET) (cont)
Section V. UNIT TROUBLESHOOTING PROCEDURES
TROUBLESHOOTING SYMPTOM INDEX.
Table 4-3. Unit Troubleshooting
WHEEL ASSEMBLY
SUSPENSION - TM-5-2330-325-14-P0107
BRAKES (Continued)
BRAKE DRUM RUNNING HOT.
AIR SYSTEM - TM-5-2330-325-14-P0110
ELECTRICAL SYSTEM (Continued)
HYDRAULIC SYSTEM (Continued) - TM-5-2330-325-14-P0112
HYDRAULIC SYSTEM (Continued) - TM-5-2330-325-14-P0113
SECTION VI. ELECTRICAL SYSTEM MAINTENANCE
FRONT AND REAR 24-VOLT RECEPTACLE REPLACEMENT.
FRONT AND REAR 24-VOLT RECEPTACLE REPLACEMENT. (cont) - TM-5-2330-325-14-P0117
FRONT AND REAR 24-VOLT RECEPTACLE REPLACEMENT. (cont) - TM-5-2330-325-14-P0118
FRONT AND REAR 24-VOLT RECEPTACLE REPLACEMENT. (cont) - TM-5-2330-325-14-P0119
12-VOLT RECEPTACLE REPLACEMENT.
12-VOLT RECEPTACLE REPLACEMENT. (cont)
TAIL LIGHT REPLACEMENT.
TAIL LIGHT REPLACEMENT. (cont)
CLEARANCE AND RUNNING LIGHTS REPLACEMENT (TYPICAL). - TM-5-2330-325-14-P0124
CLEARANCE AND RUNNING LIGHTS REPLACEMENT (TYPICAL). - TM-5-2330-325-14-P0125
BLACKOUT LIGHT REPLACEMENT.
BLACKOUT LIGHT REPLACEMENT. (cont)
WIRING HARNESSES REPLACEMENT AND REPAIR.
WIRING DIAGRAM.
WIRING DIAGRAM. (cont)
Section VII. BRAKE SYSTEM MAINTENANCE
BRAKESHOE REPLACEMENT.
BRAKESHOE REPLACEMENT. (cont)
SLACK ADJUSTER REPLACEMENT.
SLACK ADJUSTER REPLACEMENT. (cont) - TM-5-2330-325-14-P0135
SLACK ADJUSTER REPLACEMENT. (cont) - TM-5-2330-325-14-P0136
SLACK ADJUSTER REPLACEMENT. (cont) - TM-5-2330-325-14-P0137
BRAKE CAMSHAFT REPLACEMENT.
BRAKE CAMSHAFT REPLACEMENT. (cont)
GLADHAND REPLACEMENT.
GLADHAND REPLACEMENT. (cont)
SPRING BRAKE CONTROL VALVE REPLACEMENT.
SPRING BRAKE CONTROL VALVE REPLACEMENT. (cont) - TM-5-2330-325-14-P0143
SPRING BRAKE CONTROL VALVE REPLACEMENT. (cont) - TM-5-2330-325-14-P0144
ELECTRONIC CONTROL UNIT (ECU) OPERATING TEST.
ELECTRONIC CONTROL UNIT (ECU) OPERATING TEST. (cont)
Table 4-4. Fault Blink Code Chart
ELECTRONIC CONTROL UNIT (ECU) REPLACEMENT.
ELECTRONIC CONTROL UNIT (ECU) REPLACEMENT. (cont)
ABS WHEEL SENSOR.
ABS WHEEL SENSOR. (cont)
AIR BRAKE CHAMBER REPLACEMENT.
AIR BRAKE CHAMBER REPLACEMENT. (cont)
FRONT RESERVOIR MAINTENANCE.
FRONT RESERVOIR MAINTENANCE. (cont)
REAR RESERVOIR MAINTENANCE.
REAR RESERVOIR MAINTENANCE. (cont)
AIR RESERVOIR SERVICEABILITY TEST.
DUMP VALVE REPLACEMENT.
DUMP VALVE REPLACEMENT. (cont)
AIR BRAKE HOSE REPLACEMENT AND REPAIR.
AIR BRAKE SYSTEM DIAGRAM
Section VIII. WHEELS, HUBS, AND BRAKEDRUM REPLACEMENT
HUB AND BRAKEDRUM REPLACEMENT
HUB AND BRAKEDRUM REPLACEMENT (cont) - TM-5-2330-325-14-P0166
HUB AND BRAKEDRUM REPLACEMENT (cont) - TM-5-2330-325-14-P0167
HUB AND BRAKEDRUM REPLACEMENT (cont)
Section IX. GOOSENECK HYDRAULIC SYSTEM MAINTENANCE
HYDRAULIC LINE REPLACEMENT
HYDRAULIC PRESSURE RELIEF VALVE REPLACEMENT
HYDRAULIC PRESSURE RELIEF VALVE REPLACEMENT (cont)
HYDRAULIC THROTTLE VALVE REPLACEMENT
HYDRAULIC THROTTLE VALVE REPLACEMENT (cont)
HYDRAULIC DIRECTIONAL CONTROL VALVE AND PRESSURE GUAGE REPLACEMENT.
HYDRAULIC DIRECTIONAL CONTROL VALVE AND PRESSURE GUAGE REPLACEMENT. (cont)
SETTING HYDRAULIC PRESSURE.
SETTING HYDRAULIC PRESSURE. (cont)
Section X. BODY MAINTENANCE
MUD FLAP REPLACEMENT
FLOOR BOARD REPLACEMENT.
FLOOR BOARD REPLACEMENT. (cont)
TOOL BOX REPLACEMENT. - TM-5-2330-325-14-P0184
TOOL BOX REPLACEMENT. - TM-5-2330-325-14-P0185
TOOL BOX REPLACEMENT. (cont) - TM-5-2330-325-14-P0186
TOOL BOX REPLACEMENT. (cont) - TM-5-2330-325-14-P0187
Section XI. ACCESSORY ITEMS MAINTENANCE
DATA PLATES REPLACEMENT (TYPICAL)
Section XII. PREPARATION FOR STORAGE OR SHIPMENT
PREPARATION OF EQUIPMENT FOR ADMINISTRATIVE STORAGE
CARE OF EQUIPMENT IN ADMINISTRATIVE STORAGE.
PROCEDURES FOR COMMON COMPONENTS AND MISCELLANEOUS ITEMS.
Chapter 5. DIRECT/GENERAL SUPPORT MAINTENANCE
FRONT AND MIDDLE AXLE REPLACEMENT
FRONT AND MIDDLE AXLE REPLACEMENT (cont) - TM-5-2330-325-14-P0197
FRONT AND MIDDLE AXLE REPLACEMENT (cont) - TM-5-2330-325-14-P0198
FRONT AND MIDDLE AXLE REPLACEMENT (cont) - TM-5-2330-325-14-P0199
FRONT AND MIDDLE AXLE REPLACEMENT (cont) - TM-5-2330-325-14-P0200
REAR AXLE REPLACEMENT.
REAR AXLE REPLACEMENT. (cont) - TM-5-2330-325-14-P0202
REAR AXLE REPLACEMENT. (cont) - TM-5-2330-325-14-P0203
REAR AXLE REPLACEMENT. (cont) - TM-5-2330-325-14-P0204
REAR AXLE REPLACEMENT. (cont) - TM-5-2330-325-14-P0205
TORQUE ROD BUSHING REPLACEMENT.
TORQUE ROD BUSHING REPLACEMENT. (cont)
Table 5-1. Spigot Wear Limits
Installation - TM-5-2330-325-14-P0209
Installation (cont) - TM-5-2330-325-14-P0210
AXLE ALIGNMENT.
AXLE ALIGNMENT. (cont)
Aligning the Axles.
Aligning the Axles. (cont)
Section II. BRAKE MAINTENANCE
BRAKE DRUM REPAIR - TM-5-2330-325-14-P0216
Section III. WHEEL AND TIRE MAINTENANCE
Section IV. GOOSENECK HYDRAULIC SYSTEM MAINTENANCE
TILT CYLINDER REPLACEMENT
LIFT CYLINDER REPLACEMENT.
LIFT CYLINDER REPLACEMENT. (cont) - TM-5-2330-325-14-P0221
LIFT CYLINDER REPLACEMENT. (cont) - TM-5-2330-325-14-P0222
LIFT CYLINDER REPLACEMENT. (cont) - TM-5-2330-325-14-P0223
GOOSENECK HYDRAULIC LINE REPAIR.
GOOSENECK HYDRAULIC LINE REPAIR. (cont)
Appendix A. REFERENCES
TECHNICAL BULLETINS.
Appendix B, MAINTENANCE ALLOCATION CHART
MAINTENANCE FUNCTIONS
EXPLANATION OF COLUMNS IN THE MAC, SECTION II
Section II. MAINTENANCE ALLOCATION CHART FOR 870A3
Section II. MAINTENANCE ALLOCATION CHART FOR 870A3 (cont) - TM-5-2330-325-14-P0233
Section II. MAINTENANCE ALLOCATION CHART FOR 870A3 (cont) - TM-5-2330-325-14-P0234
Section III. TOOL AND TEST EQUIPMENT REQUIREMENTS
Appendix C. REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL)
EXPLANATION OF COLUMNS IN THE REPAIR PARTS LISTS AND SPECIAL TOOLS LIST WORK PACKAGES
Maintenance Code.
Recoverability Code - TM-5-2330-325-14-P0240
EXPLANATION OF CROSS-REFERENCE INDEXES WORK PACKAGES FORMAT AND COLUMNS
SPECIAL INFORMATION - TM-5-2330-325-14-P0242
FIGURE 1. BLACKOUT, STOP AND TAIL LIGHT
DESCRIPTION - TM-5-2330-325-14-P0245
FIGURE 2. TAIL AND RUNNING LIGHTS
DESCRIPTION (cont)
FIGURE 3. MID-SHIP TURN SIGNAL AND CLEARANCE LAMPS
DESCRIPTION (cont) - TM-5-2330-325-14-P0249
FIGURE 4. GOOSENECK WIRING, 24 AND 12 VOLT RECEPTACLES
DESCRIPTION (cont) - TM-5-2330-325-14-P0251
FIGURE 5. LOWBOY BED WIRING
DESCRIPTION (cont) - TM-5-2330-325-14-P0253
FIGURE 6. AXLE ASSEMBLIES
DESCRIPTION (cont) - TM-5-2330-325-14-P0255
FIGURE 7. AXLE SUSPENSION
DESCRIPTION (cont) - TM-5-2330-325-14-P0257
FIGURE 8. BRAKE SHOE AND LINING
DESCRIPTION (cont) - TM-5-2330-325-14-P0259
FIGURE 9. BRAKE CAMSHAFTS
DESCRIPTION (cont) - TM-5-2330-325-14-P0261
FIGURE 10. SLACK ADJUSTER
DESCRIPTION (cont) - TM-5-2330-325-14-P0263
FIGURE 11. ABS BRAKING SYSTEM
DESCRIPTION (cont) - TM-5-2330-325-14-P0265
FIGURE 12. GLADHANDS AND MOUNTING HARDWARE
DESCRIPTION (cont) - TM-5-2330-325-14-P0267
FIGURE 13. PRIMARY AND SECONDARY AIR RESERVOIRS AND REMOTE DUMP VALVE
DESCRIPTION (cont) - TM-5-2330-325-14-P0269
FIGURE 14. SPRING BRAKE CONTROL VALVE
DESCRIPTION (cont) - TM-5-2330-325-14-P0271
FIGURE 15. SPRING BRAKE CHAMBERS
DESCRIPTION (cont) - TM-5-2330-325-14-P0273
FIGURE 16. AIR BRAKE HOSES AND FITTINGS
DESCRIPTION (cont) - TM-5-2330-325-14-P0275
FIGURE 17. GOOSENECK AIR HOSES AND FITTINGS
DESCRIPTION (cont) - TM-5-2330-325-14-P0277
FIGURE 18. HUB AND DRUM ASSEMBLY
DESCRIPTION (cont) - TM-5-2330-325-14-P0279
FIGURE 19. WHEEL ASSEMBLY
DESCRIPTION (cont) - TM-5-2330-325-14-P0281
FIGURE 20. TIRES
DESCRIPTION (cont) - TM-5-2330-325-14-P0283
FIGURE 21. GOOSENECK LOCKING ASSEMBLY
DESCRIPTION (cont) - TM-5-2330-325-14-P0285
FIGURE 22. TOOLBOX ASSEMBLY
DESCRIPTION (cont) - TM-5-2330-325-14-P0287
FIGURE 23. GOOSENECK GRAVEL GUARD
DESCRIPTION (cont) - TM-5-2330-325-14-P0289
FIGURE 24. OUTRIGGER
DESCRIPTION (cont) - TM-5-2330-325-14-P0291
FIGURE 25. KINGPIN
DESCRIPTION (cont) - TM-5-2330-325-14-P0293
FIGURE 26. SPARE TIRE CARRIER
DESCRIPTION (cont) - TM-5-2330-325-14-P0295
FIGURE 27. MUD FLAPS
DESCRIPTION (cont) - TM-5-2330-325-14-P0297
FIGURE 28. GOOSENECK
DESCRIPTION (cont) - TM-5-2330-325-14-P0299
FIGURE 29. FLOOR DECK BOARDS
DESCRIPTION (cont) - TM-5-2330-325-14-P0301
FIGURE 30. DATA PLATES
DESCRIPTION (cont) - TM-5-2330-325-14-P0303
FIGURE 31. HYDRAULIC CONTROL VALVE, PRESSURE GAUGE AND FITTINGS
DESCRIPTION (cont) - TM-5-2330-325-14-P0305
FIGURE 32. HYDRAULIC RELIEF VALVE AND FITTINGS
DESCRIPTION (cont) - TM-5-2330-325-14-P0307
FIGURE 33. HYDRAULIC TILT CYLINDER
DESCRIPTION (cont) - TM-5-2330-325-14-P0309
FIGURE 34. HYDRAULIC LIFT CYLINDERS
DESCRIPTION (cont) - TM-5-2330-325-14-P0311
FIGURE 35. HYDRAULIC LINES AND FITTINGS
DESCRIPTION (cont) - TM-5-2330-325-14-P0313
FIGURE 36. ABS WARNING LIGHT
DESCRIPTION (cont) - TM-5-2330-325-14-P0315
FIGURE 37. HUBODOMETER
DESCRIPTION (cont) - TM-5-2330-325-14-P0317
DESCRIPTION (cont) - TM-5-2330-325-14-P0319
DESCRIPTION (cont) - TM-5-2330-325-14-P0321
NATIONAL STOCK NUMBER INDEX
PART NUMBER INDEX
PART NUMBER INDEX (cont) - TM-5-2330-325-14-P0325
PART NUMBER INDEX (cont) - TM-5-2330-325-14-P0326
PART NUMBER INDEX (cont) - TM-5-2330-325-14-P0327
PART NUMBER INDEX (cont) - TM-5-2330-325-14-P0328
PART NUMBER INDEX (cont) - TM-5-2330-325-14-P0329
PART NUMBER INDEX (cont) - TM-5-2330-325-14-P0330
FIGURE AND ITEM INDEX
FIGURE AND ITEM INDEX (cont) - TM-5-2330-325-14-P0332
FIGURE AND ITEM INDEX (cont) - TM-5-2330-325-14-P0333
FIGURE AND ITEM INDEX (cont) - TM-5-2330-325-14-P0334
FIGURE AND ITEM INDEX (cont) - TM-5-2330-325-14-P0335
FIGURE AND ITEM INDEX (cont) - TM-5-2330-325-14-P0336
FIGURE AND ITEM INDEX (cont) - TM-5-2330-325-14-P0337
Appendix D. BASIC ISSUE ITEMS (BII) LISTS
Section II. BASIC ISSUE ITEMS
Section II. BASIC ISSUE ITEMS (cont) - TM-5-2330-325-14-P0341
Section II. BASIC ISSUE ITEMS (cont) - TM-5-2330-325-14-P0342
Appendix E. ADDITIONAL AUTHORIZATION LIST
Appendix F. EXPENDABLE AND DURABLE ITEMS LIST
Section II. EXPENDABLE AND DURABLE ITEMS LIST
Section II. EXPENDABLE AND DURABLE ITEMS LIST (cont) - TM-5-2330-325-14-P0347
Section II. EXPENDABLE AND DURABLE ITEMS LIST (cont) - TM-5-2330-325-14-P0348
Appendix G. ILLUSTRATED LIST OF MANUFACTURED ITEMS
Section II. MANUFACTURING INSTRUCTIONS
Appendix H. TORQUE VALUES FOR THREADED FASTENERS
HOW TO USE TORQUE TABLE
Table H-1. Torque Limits for Dry Fasteners
Table H-2. Torque Limits for WET Fasteners
TIGHTENING METAL FASTENERS
FASTENER GRADE.
Appendix I. LUBRICATION INSTRUCTIONS
TRAILER, MEDIUM HEAVY EQUIPMENT TRANSPORTER M870A3
Lubrication Chart Key - M870A3 Trailer
LUBRICATION CHART-M870A3 TRAILER (MHET)
Lubrication Chart Key - M870A3 Trailer (cont)
LUBRICATION CHART-M870A3 TRAILER (MHET) (cont)
INDEX - TM-5-2330-325-14-P0363
INDEX (cont) - TM-5-2330-325-14-P0364
INDEX (cont) - TM-5-2330-325-14-P0365
INDEX (cont) - TM-5-2330-325-14-P0366
INDEX (cont) - TM-5-2330-325-14-P0367
INDEX (cont) - TM-5-2330-325-14-P0368
INDEX (cont) - TM-5-2330-325-14-P0369
INDEX (cont) - TM-5-2330-325-14-P0370
INDEX (cont) - TM-5-2330-325-14-P0371
TM-5-2330-325-14-P Trailer Medium Heavy Equipment Transporter (MHET) 40 Ton M870A3 (NSN 2330-01-458-2061) Manual
OFFICIAL NOMENCLATURE, NAMES, DESIGNATIONS, AND ABBREVIATIONS.
CORROSION PREVENTION AND CONTROL (CPC). - TM-5-2330-325-14-P0013
Section II. EQUIPMENT DESCRIPTION AND DATA
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS.
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS. (cont)
LOCATION AND CONTENTS OF PLATES, DECALS, AND STENCILS.
EQUIPMENT DATA.
TIRES - TM-5-2330-325-14-P0019
Section III. PRINCIPLES OF OPERATION
Chapter 2. OPERATING INSTRUCTIONS
GOOSENECK COMPONENTS, CONTROLS AND INDICATORS.
TIEDOWN AND ACCESSORY ITEMS.
Section II. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
EXPLANATION OF TABLE ENTRIES
GENERAL PMCS PROCEDURES - TM-5-2330-325-14-P0026
Table 2-1. Operator Preventive Maintenance Checks and Services (PMCS) for M870A3 Trailer (MHET)
Table 2-1. Operator Preventive Maintenance Checks and Services (PMCS) for M870A3 Trailer (MHET) (cont) - TM-5-2330-325-14-P0028
Table 2-1. Operator Preventive Maintenance Checks and Services (PMCS) for M870A3 Trailer (MHET) (cont) - TM-5-2330-325-14-P0029
Table 2-1. Operator Preventive Maintenance Checks and Services (PMCS) for M870A3 Trailer (MHET) (cont) - TM-5-2330-325-14-P0030
Table 2-1. Operator Preventive Maintenance Checks and Services (PMCS) for M870A3 Trailer (MHET) (cont) - TM-5-2330-325-14-P0031
Table 2-1. Operator Preventive Maintenance Checks and Services (PMCS) for M870A3 Trailer (MHET) (cont) - TM-5-2330-325-14-P0032
Table 2-1. Operator Preventive Maintenance Checks and Services (PMCS) for M870A3 Trailer (MHET) (cont) - TM-5-2330-325-14-P0033
Section III. OPERATION UNDER USUAL CONDITIONS
TYPES OF LOADS
LOAD DISTRIBUTION.
CALCULATING CENTER OF GRAVITY
PAYLOAD CONFIGURATIONS.
Table 2-2. Common Equipment and Vehicle Payload Information
Table 2-3. Common Equipment Combination Payload Information
Typical Payload Configurations - TRAM
LOADING OR UNLOADING EQUIPMENT AND CARGO.
LOADING OR UNLOADING EQUIPMENT AND CARGO. (cont)
Unloading Procedure.
TIEDOWN PROCEDURES.
TRANSPORTING LOADS.
Antilock Braking System (ABS)
COUPLING GOOSENECK TO PRIME MOVER AND RAISING TRAILER.
COUPLING GOOSENECK TO PRIME MOVER AND RAISING TRAILER. (cont) - TM-5-2330-325-14-P0050
COUPLING GOOSENECK TO PRIME MOVER AND RAISING TRAILER. (cont) - TM-5-2330-325-14-P0051
COUPLING GOOSENECK TO PRIME MOVER AND RAISING TRAILER. (cont) - TM-5-2330-325-14-P0052
COUPLING GOOSENECK TO PRIME MOVER AND RAISING TRAILER. (cont) - TM-5-2330-325-14-P0053
DISCONNECTING GOOSENECK FROM TRAILER FOR LOADING OR UNLOADING.
DISCONNECTING GOOSENECK FROM TRAILER FOR LOADING OR UNLOADING. (cont) - TM-5-2330-325-14-P0055
DISCONNECTING GOOSENECK FROM TRAILER FOR LOADING OR UNLOADING. (cont) - TM-5-2330-325-14-P0056
CONNECTING GOOSENECK TO TRAILER.
CONNECTING GOOSENECK TO TRAILER. (cont) - TM-5-2330-325-14-P0058
CONNECTING GOOSENECK TO TRAILER. (cont) - TM-5-2330-325-14-P0059
UNCOUPLING GOOSENECK FROM PRIME MOVER.
UNCOUPLING GOOSENECK FROM PRIME MOVER. (cont)
CAGING THE BRAKES.
CAGING THE BRAKES. (cont)
Section IV. OPERATION UNDER UNUSUAL CONDITIONS - TM-5-2330-325-14-P0064
OPERATION IN EXTREME HEAT AND HIGH HUMIDITY.
OPERATION IN SALTWATER AREAS.
Chapter 3. OPERATOR MAINTENANCE
Section II. OPERATOR TROUBLESHOOTING PROCEDURES
OPERATOR TROUBLESHOOTING SYMPTOM INDEX.
Table 3-1. Operator Troubleshooting
BRAKES - TM-5-2330-325-14-P0071
HYDRAULIC SYSTEM
TIRES - TM-5-2330-325-14-P0073
Section III. OPERATOR MAINTENANCE
GLADHANDS.
AIR RESERVOIR SERVICE CHECK.
TIRE ASSEMBLY REPLACEMENT.
Tire Assembly Installed Correctly
Tightening Sequence for Lug Nuts
SPARE TIRE ASSEMBLY.
KINGPIN REPLACEMENT.
CLEANING.
Chapter 4. UNIT MAINTENANCE
Section II. SERVICE UPON RECEIPT
Section III. GENERAL MAINTENANCE INSTRUCTIONS
WORK SAFETY.
CLEANING INSTRUCTIONS
INSPECTION INSTRUCTIONS.
APPLICATION OF ADHESIVES.
TAGGING WIRES AND HOSES.
HEAT SHRINKABLE TUBING
LINES AND PORTS.
TUBES AND COMPRESSION FITTINGS.
FLUID DISPOSAL.
Section IV. UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
EXPLANATION OF TABLE 4-2 ENTRIES
GENERAL PMCS PROCEDURES. - TM-5-2330-325-14-P0097
PMCS INITIAL SETUP.
LUBRICATION DATA.
MANDATORY REPLACEMENT PARTS.
Table 4-2. Unit Preventive Maintenance Checks and Services (PMCS) for M870A3 Trailer (MHET)
Table 4-2. Unit Preventive Maintenance Checks and Services (PMCS) for M870A3 Trailer (MHET) (cont)
Section V. UNIT TROUBLESHOOTING PROCEDURES
TROUBLESHOOTING SYMPTOM INDEX.
Table 4-3. Unit Troubleshooting
WHEEL ASSEMBLY
SUSPENSION - TM-5-2330-325-14-P0107
BRAKES (Continued)
BRAKE DRUM RUNNING HOT.
AIR SYSTEM - TM-5-2330-325-14-P0110
ELECTRICAL SYSTEM (Continued)
HYDRAULIC SYSTEM (Continued) - TM-5-2330-325-14-P0112
HYDRAULIC SYSTEM (Continued) - TM-5-2330-325-14-P0113
SECTION VI. ELECTRICAL SYSTEM MAINTENANCE
FRONT AND REAR 24-VOLT RECEPTACLE REPLACEMENT.
FRONT AND REAR 24-VOLT RECEPTACLE REPLACEMENT. (cont) - TM-5-2330-325-14-P0117
FRONT AND REAR 24-VOLT RECEPTACLE REPLACEMENT. (cont) - TM-5-2330-325-14-P0118
FRONT AND REAR 24-VOLT RECEPTACLE REPLACEMENT. (cont) - TM-5-2330-325-14-P0119
12-VOLT RECEPTACLE REPLACEMENT.
12-VOLT RECEPTACLE REPLACEMENT. (cont)
TAIL LIGHT REPLACEMENT.
TAIL LIGHT REPLACEMENT. (cont)
CLEARANCE AND RUNNING LIGHTS REPLACEMENT (TYPICAL). - TM-5-2330-325-14-P0124
CLEARANCE AND RUNNING LIGHTS REPLACEMENT (TYPICAL). - TM-5-2330-325-14-P0125
BLACKOUT LIGHT REPLACEMENT.
BLACKOUT LIGHT REPLACEMENT. (cont)
WIRING HARNESSES REPLACEMENT AND REPAIR.
WIRING DIAGRAM.
WIRING DIAGRAM. (cont)
Section VII. BRAKE SYSTEM MAINTENANCE
BRAKESHOE REPLACEMENT.
BRAKESHOE REPLACEMENT. (cont)
SLACK ADJUSTER REPLACEMENT.
SLACK ADJUSTER REPLACEMENT. (cont) - TM-5-2330-325-14-P0135
SLACK ADJUSTER REPLACEMENT. (cont) - TM-5-2330-325-14-P0136
SLACK ADJUSTER REPLACEMENT. (cont) - TM-5-2330-325-14-P0137
BRAKE CAMSHAFT REPLACEMENT.
BRAKE CAMSHAFT REPLACEMENT. (cont)
GLADHAND REPLACEMENT.
GLADHAND REPLACEMENT. (cont)
SPRING BRAKE CONTROL VALVE REPLACEMENT.
SPRING BRAKE CONTROL VALVE REPLACEMENT. (cont) - TM-5-2330-325-14-P0143
SPRING BRAKE CONTROL VALVE REPLACEMENT. (cont) - TM-5-2330-325-14-P0144
ELECTRONIC CONTROL UNIT (ECU) OPERATING TEST.
ELECTRONIC CONTROL UNIT (ECU) OPERATING TEST. (cont)
Table 4-4. Fault Blink Code Chart
ELECTRONIC CONTROL UNIT (ECU) REPLACEMENT.
ELECTRONIC CONTROL UNIT (ECU) REPLACEMENT. (cont)
ABS WHEEL SENSOR.
ABS WHEEL SENSOR. (cont)
AIR BRAKE CHAMBER REPLACEMENT.
AIR BRAKE CHAMBER REPLACEMENT. (cont)
FRONT RESERVOIR MAINTENANCE.
FRONT RESERVOIR MAINTENANCE. (cont)
REAR RESERVOIR MAINTENANCE.
REAR RESERVOIR MAINTENANCE. (cont)
AIR RESERVOIR SERVICEABILITY TEST.
DUMP VALVE REPLACEMENT.
DUMP VALVE REPLACEMENT. (cont)
AIR BRAKE HOSE REPLACEMENT AND REPAIR.
AIR BRAKE SYSTEM DIAGRAM
Section VIII. WHEELS, HUBS, AND BRAKEDRUM REPLACEMENT
HUB AND BRAKEDRUM REPLACEMENT
HUB AND BRAKEDRUM REPLACEMENT (cont) - TM-5-2330-325-14-P0166
HUB AND BRAKEDRUM REPLACEMENT (cont) - TM-5-2330-325-14-P0167
HUB AND BRAKEDRUM REPLACEMENT (cont)
Section IX. GOOSENECK HYDRAULIC SYSTEM MAINTENANCE
HYDRAULIC LINE REPLACEMENT
HYDRAULIC PRESSURE RELIEF VALVE REPLACEMENT
HYDRAULIC PRESSURE RELIEF VALVE REPLACEMENT (cont)
HYDRAULIC THROTTLE VALVE REPLACEMENT
HYDRAULIC THROTTLE VALVE REPLACEMENT (cont)
HYDRAULIC DIRECTIONAL CONTROL VALVE AND PRESSURE GUAGE REPLACEMENT.
HYDRAULIC DIRECTIONAL CONTROL VALVE AND PRESSURE GUAGE REPLACEMENT. (cont)
SETTING HYDRAULIC PRESSURE.
SETTING HYDRAULIC PRESSURE. (cont)
Section X. BODY MAINTENANCE
MUD FLAP REPLACEMENT
FLOOR BOARD REPLACEMENT.
FLOOR BOARD REPLACEMENT. (cont)
TOOL BOX REPLACEMENT. - TM-5-2330-325-14-P0184
TOOL BOX REPLACEMENT. - TM-5-2330-325-14-P0185
TOOL BOX REPLACEMENT. (cont) - TM-5-2330-325-14-P0186
TOOL BOX REPLACEMENT. (cont) - TM-5-2330-325-14-P0187
Section XI. ACCESSORY ITEMS MAINTENANCE
DATA PLATES REPLACEMENT (TYPICAL)
Section XII. PREPARATION FOR STORAGE OR SHIPMENT
PREPARATION OF EQUIPMENT FOR ADMINISTRATIVE STORAGE
CARE OF EQUIPMENT IN ADMINISTRATIVE STORAGE.
PROCEDURES FOR COMMON COMPONENTS AND MISCELLANEOUS ITEMS.
Chapter 5. DIRECT/GENERAL SUPPORT MAINTENANCE
FRONT AND MIDDLE AXLE REPLACEMENT
FRONT AND MIDDLE AXLE REPLACEMENT (cont) - TM-5-2330-325-14-P0197
FRONT AND MIDDLE AXLE REPLACEMENT (cont) - TM-5-2330-325-14-P0198
FRONT AND MIDDLE AXLE REPLACEMENT (cont) - TM-5-2330-325-14-P0199
FRONT AND MIDDLE AXLE REPLACEMENT (cont) - TM-5-2330-325-14-P0200
REAR AXLE REPLACEMENT.
REAR AXLE REPLACEMENT. (cont) - TM-5-2330-325-14-P0202
REAR AXLE REPLACEMENT. (cont) - TM-5-2330-325-14-P0203
REAR AXLE REPLACEMENT. (cont) - TM-5-2330-325-14-P0204
REAR AXLE REPLACEMENT. (cont) - TM-5-2330-325-14-P0205
TORQUE ROD BUSHING REPLACEMENT.
TORQUE ROD BUSHING REPLACEMENT. (cont)
Table 5-1. Spigot Wear Limits
Installation - TM-5-2330-325-14-P0209
Installation (cont) - TM-5-2330-325-14-P0210
AXLE ALIGNMENT.
AXLE ALIGNMENT. (cont)
Aligning the Axles.
Aligning the Axles. (cont)
Section II. BRAKE MAINTENANCE
BRAKE DRUM REPAIR - TM-5-2330-325-14-P0216
Section III. WHEEL AND TIRE MAINTENANCE
Section IV. GOOSENECK HYDRAULIC SYSTEM MAINTENANCE
TILT CYLINDER REPLACEMENT
LIFT CYLINDER REPLACEMENT.
LIFT CYLINDER REPLACEMENT. (cont) - TM-5-2330-325-14-P0221
LIFT CYLINDER REPLACEMENT. (cont) - TM-5-2330-325-14-P0222
LIFT CYLINDER REPLACEMENT. (cont) - TM-5-2330-325-14-P0223
GOOSENECK HYDRAULIC LINE REPAIR.
GOOSENECK HYDRAULIC LINE REPAIR. (cont)
Appendix A. REFERENCES
TECHNICAL BULLETINS.
Appendix B, MAINTENANCE ALLOCATION CHART
MAINTENANCE FUNCTIONS
EXPLANATION OF COLUMNS IN THE MAC, SECTION II
Section II. MAINTENANCE ALLOCATION CHART FOR 870A3
Section II. MAINTENANCE ALLOCATION CHART FOR 870A3 (cont) - TM-5-2330-325-14-P0233
Section II. MAINTENANCE ALLOCATION CHART FOR 870A3 (cont) - TM-5-2330-325-14-P0234
Section III. TOOL AND TEST EQUIPMENT REQUIREMENTS
Appendix C. REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL)
EXPLANATION OF COLUMNS IN THE REPAIR PARTS LISTS AND SPECIAL TOOLS LIST WORK PACKAGES
Maintenance Code.
Recoverability Code - TM-5-2330-325-14-P0240
EXPLANATION OF CROSS-REFERENCE INDEXES WORK PACKAGES FORMAT AND COLUMNS
SPECIAL INFORMATION - TM-5-2330-325-14-P0242
FIGURE 1. BLACKOUT, STOP AND TAIL LIGHT
DESCRIPTION - TM-5-2330-325-14-P0245
FIGURE 2. TAIL AND RUNNING LIGHTS
DESCRIPTION (cont)
FIGURE 3. MID-SHIP TURN SIGNAL AND CLEARANCE LAMPS
DESCRIPTION (cont) - TM-5-2330-325-14-P0249
FIGURE 4. GOOSENECK WIRING, 24 AND 12 VOLT RECEPTACLES
DESCRIPTION (cont) - TM-5-2330-325-14-P0251
FIGURE 5. LOWBOY BED WIRING
DESCRIPTION (cont) - TM-5-2330-325-14-P0253
FIGURE 6. AXLE ASSEMBLIES
DESCRIPTION (cont) - TM-5-2330-325-14-P0255
FIGURE 7. AXLE SUSPENSION
DESCRIPTION (cont) - TM-5-2330-325-14-P0257
FIGURE 8. BRAKE SHOE AND LINING
DESCRIPTION (cont) - TM-5-2330-325-14-P0259
FIGURE 9. BRAKE CAMSHAFTS
DESCRIPTION (cont) - TM-5-2330-325-14-P0261
FIGURE 10. SLACK ADJUSTER
DESCRIPTION (cont) - TM-5-2330-325-14-P0263
FIGURE 11. ABS BRAKING SYSTEM
DESCRIPTION (cont) - TM-5-2330-325-14-P0265
FIGURE 12. GLADHANDS AND MOUNTING HARDWARE
DESCRIPTION (cont) - TM-5-2330-325-14-P0267
FIGURE 13. PRIMARY AND SECONDARY AIR RESERVOIRS AND REMOTE DUMP VALVE
DESCRIPTION (cont) - TM-5-2330-325-14-P0269
FIGURE 14. SPRING BRAKE CONTROL VALVE
DESCRIPTION (cont) - TM-5-2330-325-14-P0271
FIGURE 15. SPRING BRAKE CHAMBERS
DESCRIPTION (cont) - TM-5-2330-325-14-P0273
FIGURE 16. AIR BRAKE HOSES AND FITTINGS
DESCRIPTION (cont) - TM-5-2330-325-14-P0275
FIGURE 17. GOOSENECK AIR HOSES AND FITTINGS
DESCRIPTION (cont) - TM-5-2330-325-14-P0277
FIGURE 18. HUB AND DRUM ASSEMBLY
DESCRIPTION (cont) - TM-5-2330-325-14-P0279
FIGURE 19. WHEEL ASSEMBLY
DESCRIPTION (cont) - TM-5-2330-325-14-P0281
FIGURE 20. TIRES
DESCRIPTION (cont) - TM-5-2330-325-14-P0283
FIGURE 21. GOOSENECK LOCKING ASSEMBLY
DESCRIPTION (cont) - TM-5-2330-325-14-P0285
FIGURE 22. TOOLBOX ASSEMBLY
DESCRIPTION (cont) - TM-5-2330-325-14-P0287
FIGURE 23. GOOSENECK GRAVEL GUARD
DESCRIPTION (cont) - TM-5-2330-325-14-P0289
FIGURE 24. OUTRIGGER
DESCRIPTION (cont) - TM-5-2330-325-14-P0291
FIGURE 25. KINGPIN
DESCRIPTION (cont) - TM-5-2330-325-14-P0293
FIGURE 26. SPARE TIRE CARRIER
DESCRIPTION (cont) - TM-5-2330-325-14-P0295
FIGURE 27. MUD FLAPS
DESCRIPTION (cont) - TM-5-2330-325-14-P0297
FIGURE 28. GOOSENECK
DESCRIPTION (cont) - TM-5-2330-325-14-P0299
FIGURE 29. FLOOR DECK BOARDS
DESCRIPTION (cont) - TM-5-2330-325-14-P0301
FIGURE 30. DATA PLATES
DESCRIPTION (cont) - TM-5-2330-325-14-P0303
FIGURE 31. HYDRAULIC CONTROL VALVE, PRESSURE GAUGE AND FITTINGS
DESCRIPTION (cont) - TM-5-2330-325-14-P0305
FIGURE 32. HYDRAULIC RELIEF VALVE AND FITTINGS
DESCRIPTION (cont) - TM-5-2330-325-14-P0307
FIGURE 33. HYDRAULIC TILT CYLINDER
DESCRIPTION (cont) - TM-5-2330-325-14-P0309
FIGURE 34. HYDRAULIC LIFT CYLINDERS
DESCRIPTION (cont) - TM-5-2330-325-14-P0311
FIGURE 35. HYDRAULIC LINES AND FITTINGS
DESCRIPTION (cont) - TM-5-2330-325-14-P0313
FIGURE 36. ABS WARNING LIGHT
DESCRIPTION (cont) - TM-5-2330-325-14-P0315
FIGURE 37. HUBODOMETER
DESCRIPTION (cont) - TM-5-2330-325-14-P0317
DESCRIPTION (cont) - TM-5-2330-325-14-P0319
DESCRIPTION (cont) - TM-5-2330-325-14-P0321
NATIONAL STOCK NUMBER INDEX
PART NUMBER INDEX
PART NUMBER INDEX (cont) - TM-5-2330-325-14-P0325
PART NUMBER INDEX (cont) - TM-5-2330-325-14-P0326
PART NUMBER INDEX (cont) - TM-5-2330-325-14-P0327
PART NUMBER INDEX (cont) - TM-5-2330-325-14-P0328
PART NUMBER INDEX (cont) - TM-5-2330-325-14-P0329
PART NUMBER INDEX (cont) - TM-5-2330-325-14-P0330
FIGURE AND ITEM INDEX
FIGURE AND ITEM INDEX (cont) - TM-5-2330-325-14-P0332
FIGURE AND ITEM INDEX (cont) - TM-5-2330-325-14-P0333
FIGURE AND ITEM INDEX (cont) - TM-5-2330-325-14-P0334
FIGURE AND ITEM INDEX (cont) - TM-5-2330-325-14-P0335
FIGURE AND ITEM INDEX (cont) - TM-5-2330-325-14-P0336
FIGURE AND ITEM INDEX (cont) - TM-5-2330-325-14-P0337
Appendix D. BASIC ISSUE ITEMS (BII) LISTS
Section II. BASIC ISSUE ITEMS
Section II. BASIC ISSUE ITEMS (cont) - TM-5-2330-325-14-P0341
Section II. BASIC ISSUE ITEMS (cont) - TM-5-2330-325-14-P0342
Appendix E. ADDITIONAL AUTHORIZATION LIST
Appendix F. EXPENDABLE AND DURABLE ITEMS LIST
Section II. EXPENDABLE AND DURABLE ITEMS LIST
Section II. EXPENDABLE AND DURABLE ITEMS LIST (cont) - TM-5-2330-325-14-P0347
Section II. EXPENDABLE AND DURABLE ITEMS LIST (cont) - TM-5-2330-325-14-P0348
Appendix G. ILLUSTRATED LIST OF MANUFACTURED ITEMS
Section II. MANUFACTURING INSTRUCTIONS
Appendix H. TORQUE VALUES FOR THREADED FASTENERS
HOW TO USE TORQUE TABLE
Table H-1. Torque Limits for Dry Fasteners
Table H-2. Torque Limits for WET Fasteners
TIGHTENING METAL FASTENERS
FASTENER GRADE.
Appendix I. LUBRICATION INSTRUCTIONS
TRAILER, MEDIUM HEAVY EQUIPMENT TRANSPORTER M870A3
Lubrication Chart Key - M870A3 Trailer
LUBRICATION CHART-M870A3 TRAILER (MHET)
Lubrication Chart Key - M870A3 Trailer (cont)
LUBRICATION CHART-M870A3 TRAILER (MHET) (cont)
INDEX - TM-5-2330-325-14-P0363
INDEX (cont) - TM-5-2330-325-14-P0364
INDEX (cont) - TM-5-2330-325-14-P0365
INDEX (cont) - TM-5-2330-325-14-P0366
INDEX (cont) - TM-5-2330-325-14-P0367
INDEX (cont) - TM-5-2330-325-14-P0368
INDEX (cont) - TM-5-2330-325-14-P0369
INDEX (cont) - TM-5-2330-325-14-P0370
INDEX (cont) - TM-5-2330-325-14-P0371
TM-5-2330-325-14-P Trailer Medium Heavy Equipment Transporter (MHET) 40 Ton M870A3 (NSN 2330-01-458-2061) Manual
