TM-9-2320-279-20-1

• MAINTENANCE INSTRUCTIONS ORGANIZATIONAL MAINTENANCE M977 SERIES 8 x 8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)
• WARNING
• WARNING-continued
• WARNING-continued
• WARNING-continued
• WARNING-continued
• MAINTENANCE INSTRUCTIONS ORGANIZATIONAL MAINTENANCE is changed as follows
• MAINTENANCE INSTRUCTIONS ORGANIZATIONAL MAINTENANCE is changed as follows
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• MAINTENANCE INSTRUCTIONS ORGANIZATIONAL MAINTENANCE is changed as follows
• MAINTENANCE INSTRUCTIONS ORGANIZATIONAL MAINTENANCE is changed as follows
• MAINTENANCE INSTRUCTIONS ORGANIZATIONAL MAINTENANCE is changed as follows
• MAINTENANCE INSTRUCTIONS ORGANIZATIONAL MAINTENANCE is changed as follows
• MAINTENANCE INSTRUCTIONS ORGANIZATIONAL MAINTENANCE is changed as follows
• MAINTENANCE INSTRUCTIONS ORGANIZATIONAL MAINTENANCE is changed as follows
• MAINTENANCE INSTRUCTIONS ORGANIZATIONAL MAINTENANCE is changed as follows
• MAINTENANCE INSTRUCTIONS ORGANIZATIONAL MAINTENANCE is changed as follows
• MAINTENANCE INSTRUCTIONS ORGANIZATIONAL MAINTENANCE is changed as follows
• MAINTENANCE INSTRUCTIONS ORGANIZATIONAL MAINTENANCE is changed as follows
• MAINTENANCE INSTRUCTIONS ORGANIZATIONAL MAINTENANCE is changed as follows
• MAINTENANCE INSTRUCTIONS ORGANIZATIONAL MAINTENANCE is changed as follows
• LIST OF EFFECTIVE PAGES/WORK PACKAGES
• LIST OF EFFECTIVE PAGES/WORK PACKAGES-continued
• LIST OF EFFECTIVE PAGES/WORK PACKAGES-continued
• LIST OF EFFECTIVE PAGES/WORK PACKAGES-continued
• MAINTENANCE INSTRUCTIONS ORGANIZATIONAL M977 SERIES, 8 X 8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)
• TABLE OF CONTENTS
• TABLE OF CONTENTS-continued
• TABLE OF CONTENTS-continued
• TABLE OF CONTENTS-continued
• LIST OF ILLUSTRATIONS
• LIST OF ILLUSTRATIONS-continued
• HOW TO USE THIS MANUAL
• HOW TO USE THIS MANUAL-continued
• CHAPTER 1. INTRODUCTION
• Purpose of Equipment
• Figure 1-2. M978 Tanker Vehicle.
• Figure 1-3. M983 Tractor Vehicle with Crane.
• Figure 1-4. M983 Tractor Vehicle without Crane.
• Figure 1-5. M984 Wrecker-Recovery Vehicle.
• Figure 1-6. M984E1 Wrecker-Recovery Vehicle
• Figure 1-7. M985 Cargo Vehicle.
• Equipment and Maintenance Reports
• Section II. EQUIPMENT DESCRIPTION AND DATA
• DIFFERENCES BETWEEN MODELS.
• Safety and Handling
• Figure 1-9. Power Train.
• ENGINE SYSTEMS
• ELECTRICAL SYSTEM.
• AIR SYSTEM.
• Figure 1-14. Air System.
• HYDRAULIC SYSTEM.
• STEERING SYSTEM.
• SELF-RECOVERY WINCH.
• CRANES.
• RECOVERY WlNCH (M984 and M984E1)
• WHEELS AND TIRES.
• M978 TANKER.
• CHAPTER 2. VEHICLE MAINTENANCE
• Section III. SERVICE UPON RECEIPT
• Section IV. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
• GENERAL MAINTENANCE PROCEDURES.
• Table 2-1. Unit Level Preventive Maintenance Checks And Services
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-1. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-2. Unit Level Preventive Maintenance Checks And Services-continued
• Table 2-3. Unit Level Preventive Maintenance Checks and Services Auxiliary Equipment
• Table 2-3. Unit Level Preventive Maintenance Checks and Services Auxiliary Equipment-continued
• Table 2-3. Unit Level Preventive Maintenance Checks and Services Auxiliary Equipment-continued
• Table 2-3. Unit Level Preventive Maintenance Checks and Services Auxiliary Equipment-continued
• Table 2-3. Unit Level Preventive Maintenance Checks and Services Auxiliary Equipment-continued
• Table 2-3. Unit Level Preventive Maintenance Checks and Services Auxiliary Equipment-continued
• Table 2-3. Unit Level Preventive Maintenance Checks and Services Auxiliary Equipment-continued
• Table 2-3. Unit Level Preventive Maintenance Checks and Services Auxiliary Equipment-continued
• Table 2-3. Unit Level Preventive Maintenance Checks and Services Auxiliary Equipment-continued
• Table 2-3. Unit Level Preventive Maintenance Checks and Services Auxiliary Equipment-continued
• M977 SERIES PMCS PARTS LIST SEMIANNUAL (3,000 MILES)
• M977 SERIES PMCS PARTS LIST ANNUAL (6,000 MILES)
• M977 SERIES PMCS PARTS LIST BIENNIAL (12,000 MILES)
• LUBRICATION TABLE
• LUBRICATION TABLE-continued
• Table 1. Axle Capacities
• Section IV. TROUBLESHOOTING
• Troubleshooting Index
• Table 2-7. System Symptom Index-continued
• Table 2-7. System Symptom Index-continued
• Table 2-7. System Symptom Index-continued
• Table 2-8. Troubleshooting Subject Index
• Table 2-8. Troubleshooting Subject Index-continued
• Table 2-8. Troubleshooting Subject Index-continued
• Table 2-8. Troubleshooting Subject Index-continued
• Table 2-9. Troubleshooting-continued
• FAILS TO CRANK-continued
• FAILS TO CRANK-continued
• FAILS TO DEVELOP FULL POWER/DOES NOT RUN SMOOTHLY.
• OIL PRESSURE LOW
• OVERHEATS
• OVERHEATS-continued
• HIGH OIL CONSUMPTION.
• ENGINE HIGH IDLE DOES NOT OPERATE (M977, M985)
• ENGINE MHIGH IDLE DOES NOT OPERATE (M977, M985)-continued
• ENGINE MHIGH IDLE DOES NOT OPERATE (M977, M985)-continued
• ENGINE MHIGH IDLE DOES NOT OPERATE (M977, M985)-continued
• ENGINE HIGH IDLE DOES NOT OPERATE (M983)
• ENGINE HIGH IDLE DOES NOT OPERATE (M983)-continued
• ENGINE HIGH IDLE DOES NOT OPERATE (M983)-continued
• ENGINE HIGH IDLE DOES NOT OPERATE (M983)-continued
• ENGINE SPEED CONTROL DOES NOT OPERATE (M978)
• ENGINE SPEED CONTROL DOES NOT OPERATE (M978)-continued
• ENGINE SPEED CONTROL DOES NOT OPERATE (M978)-continued
• ENGINE SPEED CONTROL DOES NOT OPERATE (M978)-continued
• ENGINE HIGH IDLE DOES NOT OPERATE WHEN CRANING (M984, M985E1)
• ENGINE HIGH IDLE DOES NOT OPERATE WHEN CRANING (M984, M985E1)-continued
• Figure 2-3. M985E1 HIGH IDLE Wiring Diagram
• Figure 2-4. M984 HIGH IDLE Wiring Diagram.
• ENGINE HIGH IDLE DOES NOT OPERATE WHEN CRANING (M984, M985E1)-continued
• ENGINE HIGH IDLE DOES NOT OPERATE WHEN CRANING (M984, M985E1)-continued
• ENGINE HIGH IDLE DOES NOT OPERATE WHEN CRANING (M984, M985E1)-continued
• ENGINE HIGH IDLE DOES NOT OPERATE WHEN CRANING (M984, M985E1)-continued
• ENGINE HIGH IDLE DOES NOT OPERATE WHEN CRANING (M984, M985E1)-continued
• Figure 2-5. M984 HIGH IDLE Control Assembly
• Figure 2-6. M985E1 HIGH IDLE Control Assembly
• ENGINE HIGH IDLE DOES NOT OPERATE (M984E1)
• ENGINE HIGH IDLE DOES NOT OPERATE (M984E1)-continued
• ENGINE HIGH IDLE DOES NOT OPERATE (M984E1)-continued
• ENGINE HIGH IDLE DOES NOT OPERATE (M984E1)-continued
• ENGINE HIGH IDLE DOES NOT OPERATE (M984E1)-continued
• ENGINE HIGH IDLE DOES NOT OPERATE (M984E1)-continued
• ENGINE HIGH IDLE DOES NOT OPERATE (M984E1)-continued
• ENGINE HIGH IDLE DOES NOT OPERATE (M984E1)-continued
• ENGINE HIGH IDLE DOES NOT OPERATE WHEN CRANING (M984E1)
• ENGINE HIGH IDLE DOES NOT OPERATE WHEN CRANING (M984E1)-continued
• ENGINE HIGH IDLE DOES NOT OPERATE WHEN USING HEAVY-DUTY WINCH (M984)
• ENGINE HIGH IDLE DOES NOT OPERATE WHEN USING HEAVY-DUTY WINCH (M984)-continued
• Figrue 2-7. Winch Controller Wiring Diagram
• ENGINE HIGH IDLE DOES NOT OPERATE WHEN USING HEAVY-DUTY WINCH (M984)-continued
• ENGINE HIGH IDLE DOES NOT OPERATE WHEN USING HEAVY-DUTY WINCH IN REMOTE CONTROL (M984E1)
• ENGINE HIGH IDLE DOES NOT OPERATE WHEN USING HEAVY-DUTY WINCH IN REMOTE CONTROL (M984E1)-continued
• ENGINE HIGH IDLE DOES NOT OPERATE WHEN USING HEAVY-DUTY WINCH IN REMOTE CONTROL (M984E1)-continued
• ENGINE HIGH IDLE DOES NOT OPERATE WHEN USING HEAVY-DUTY WINCH IN MANUAL CONTROL (M984E1)
• ENGINE HIGH IDLE DOES NOT OPERATE WHEN USING HEAVY-DUTY WINCH IN MANUAL CONTROL (M984E1)-continued
• ENGINE HIGH IDLE DOES NOT OPERATE WHEN USING HEAVY-DUTY WINCH IN MANUAL CONTROL (M984E1)-continued
• ENGINE HIGH IDLE DOES NOT OPERATE WHEN USING HEAVY-DUTY WINCH IN MANUAL CONTROL (M984E1)-continued
• ENGINE HIGH IDLE DOES NOT OPERATE WHEN USING RETRIEVER SYSTEM (M984E1)
• FUEL SYSTEM
• ENGINE WILL NOT START, OR STALLS-continued
• ENGINE CRANKS BUT DOES NOT START WHEN ETHER INJECTOR IS ACTUATED IN COLD WEATHER
• ELECTRICAL SYSTEM
• ENGINE BRAKE WILL NOT OPERATE.
• HEATER FAN MOTOR WILL NOT OPERATE
• POWER TAKEOFF (PTO) SWITCH WILL NOT ENGAGE
• POWER TAKEOFF (PTO) SWITCH WILL NOT ENGAGE-continued
• POWER TAKEOFF (PTO) SWITCH WILL NOT ENGAGE-continued
• POWER TAKEOFF (PTO) SWITCH WILL NOT ENGAGE-continued
• ONE OR MORE LIGHTS NOT WORKING (WARNING, SERVICE OR BLACKOUT DRIVE LIGHT).
• DIMMER SWITCH FAILS TO OPERATE.
• STOPLIGHTS DO NOT WORK.
• STOPLIGHTS DO NOT WORK-continued
• AIR PRESSURE WARNING LIGHT AND BUZZER DO NOT WORK
• AIR PRESSURE WARNING LIGHT AND BUZZER DO NOT WORK -continued
• DOMELIGHT DOES NOT WORK
• WORK LIGHTS DO NOT WORK (M983, M984)
• DOMELIGHT DO NOT WORK (M984E1)
• AIR DRYER CONSTANTLY EXHAUSTS AIR
• MARKER AND CLEARANCE LIGHTS DO NOT WORK.
• ETHER STARTING AID DOES NOT WORK
• ELECTRIC GAGES DO NOT WORK
• TRAILER ELECTRICAL SYSTEM DOES NOT WORK.
• TURN SIGNALS DO NOT OPERATE-continued
• OIL-WATER INDICATOR AND BUZZER DO NOT WORK WHEN OIL PRESSURE DROPS BELOW 8 PSI (55 KPA)
• OIL-WATER INDICATOR AND BUZZER DO NOT WORK WHEN OIL PRESSURE DROPS BELOW 8 PSI (55 KPA)-continued
• OIL-WATER INDICATOR AND BUZZER DO NOT WORK WHEN COOLANT TEMPERATURE RISES ABOVE 230_F (110_C).
• OIL-WATER INDICATOR AND BUZZER DO NOT WORK WHEN COOLANT TEMPERATURE RISES ABOVE 230_F (110_C)-continued
• WINDSHIELD WASHERS DO NOT OPERATE.
• WINDSHIELD WASHERS DO NOT OPERATE-continued
• WINDSHIELD WASHERS DO NOT OPERATE-continued
• WINDSHIELD WIPERS DO NOT OPERATE.
• WINDSHIELD WIPERS DO NOT OPERATE-continued
• WINDSHIELD WIPERS DO NOT OPERATE-continued
• WINDSHIELD WIPERS DO NOT OPERATE-continued
• WINDSHIELD WIPERS DO NOT OPERATE-continued
• WINDSHIELD WIPERS DO NOT OPERATE ON LOW SPEED OR INTERMITTENT.
• WINDSHIELD WIPERS DO NOT OPERATE ON LOW SPEED OR INTERMITTENT-continued
• WINDSHIELD WIPERS DO NOT OPERATE ON HIGH SPEED.
• WINDSHIELD WIPERS DO NOT OPERATE ON HIGH SPEED-continued
• WINDSHIELD WIPERS DO NOT OPERATE ON HIGH SPEED-continued
• AIR SYSTEM-continued
• AIR PRESSURE BUILDUP SLOW-continued
• MOISTURE IN AIR SYSTEM.
• NOISY COMPRESSOR OPERATION.
• AIR PRESSURE DROPS RAPIDLY AFTER ENGINE SHUTDOWN.
• LEFT OR RIGHT WINDSHIELD WIPER DOES NOT WORK.
• WINDSHIELD WASHER DOES NOT WORK.
• AIR HORN DOES NOT WORK.
• AXLES WILL NOT LOCK UP.
• TRANSFER CASE WILL NOT LOCK UP.
• TRANSFER CASE WILL NOT LOCK UP-continued
• THROTTLE TREADLE ACCELERATES ENGINE BUT NO AIR PRESSURE IN REMAINDER OF AIR SYSTEM.
• SEATS (AIR-RIDE) DO NOT OPERATE (A2 AND A2R1 MODEL VEHICLES ONLY).
• STEERING SYSTEM
• WANDERS OR PULLS TO ONE SIDE.
• WANDERS OR PULLS TO ONE SIDE-continued
• SUDDEN INCREASE IN EFFORT TO TURN STEERING WHEEL.
• SUDDEN INCREASE IN EFFORT TO TURN STEERING WHEEL-continued
• HYDRAULIC SYSTEM
• WINCH, RETRIEVER SYSTEM, OR CRANE JERKS WHEN OPERATED-continued
• ONE OR MORE HYDRAULIC CIRCUITS NOT WORKING.
• ONE OR MORE HYDRAULIC CIRCUITS NOT WORKING-continued
• NOISY TRANSFER CASE
• PROPELLER SHAFTS AND UNIVERSAL JOINTS
• FRONT AND REAR AXLE TANDEMS
• TRANSMISSION
• TRANSMISSION OIL TEMPERATURE GAGE CONTINUOUSLY READS OVER 250 "F-continued
• TRANSMISSION NOISY.
• SUSPENSION (SHOCK ABSORBERS, SPRINGS, AND TORQUE RODS)
• VEHICLE LEANS TO ONE SIDE, OR REAR SAGS.
• DUAL AIR BRAKE SYSTEM
• BRAKES WILL NOT RESPOND PROPERLY-continued
• BRAKES WILL NOT RESPOND PROPERLY-continued
• BRAKES WILL NOT RESPOND PROPERLY-continued
• UNEVEN BRAKING.
• UNEVEN BRAKING-continued
• SERVICE BRAKES FAIL TO RELEASE OR RELEASE SLOWLY.
• SPRING BRAKES WILL NOT APPLY.
• SPRING BRAKES WILL NOT APPLY-continued
• SPRING BRAKES WILL NOT RELEASE.
• BRAKES OVERHEAT.
• FRONT AXLE PARKING BRAKES WILL NOT APPLY
• WHEELS AND TIRES
• FIFTH WHEEL
• SELF-RECOVERY WINCH-continued
• EXCESSIVE NOISE FROM WINCH.
• HEAVY-DUTY WINCH
• Figure 2-8. Winch Controller Wiring Diagram.
• WINCH CABLE WILL NOT PAY OUT (M984)-continued
• WINCH CABLE WILL NOT PAY OUT (M984E1)
• WINCH CABLE WILL NOT PAY OUT (M984E1)-continued
• WINCH CABLE WILL NOT PAY OUT (M984E1)-continued
• WINCH CABLE WILL NOT PAY OUT (M984E1)-continued
• WINCH WILL NOT REWIND (M984)
• WINCH WILL NOT REWIND (M984)-continued
• WINCH WILL NOT REWIND (M984)-continued
• WINCH WILL NOT REWIND (M984E1)
• WINCH WILL NOT REWIND (M984E1)-continued
• WINCH WILL NOT REWIND (M984E1)-continued
• WINCH WILL NOT REWIND (M984E1)-continued
• WINCH WILL NOT OPERATE IN EITHER DIRECTION (M984E1)
• WINCH OPERATION IS JERKY, SLOW, OR DOES NOT WORK (M984).
• MATERIAL HANDLING CRANE (M983)
• CRANE BOOM MOVES SLOWLY.
• OUTRIGGER CYLINDERS WILL NOT RETRACT.
• MATERIAL HANDLING CRANE (M977, M985, M984E1)
• BOOM OPERATES ABNORMALLY, SLOWLY, WILL NOT TELESCOPE IN OR OUT, OR RAISE OR LOWER
• BOOM OPERATES ABNORMALLY, SLOWLY, WILL NOT TELESCOPE IN OR OUT, OR RAISE OR LOWER-continued
• HOIST WILL NOT LIFT OR LOWER LOAD
• HOIST OPERATION SLOW OR ABNORMAL WHEN LIFTING OR LOWERING LOAD.
• HOIST OPERATION SLOW OR ABNORMAL WHEN LIFTING OR LOWERING LOAD-continued
• SWING OPERATION SLOW OR ABNORMAL IN ONE OR BOTH DIRECTIONS.
• CRANE CONTROLS STICKING.
• REMOTE CONTROLLER WILL NOT OPERATE CRANE OR OPERATES ABNORMALLY-continued
• Figure 2-9. Remote Controller Electrical Schematic (M977, M985, M984E1).
• Figure 2-10. Remote Controller Wiring Diagram (M977, M985, M984E1).
• RETRIEVER SYSTEM (M984E1)
• TANKER SYSTEM
• Figure 2-11. Tanker Component Identification.
• Figure 2-12. Tanker Fuel System Functional Diagram.
• Figure 2-13. Tanker Operation Functional Diagram (Sheet 1 of 12).
• Figure 2-13. Tanker Operation Functional Diagram (Sheet 2 of 12).
• Figure 2-13. Tanker Operation Functional Diagram (Sheet 3 of 12).
• Figure 2-13. Tanker Operation Functional Diagram (Sheet 4 of 12).
• Figure 2-13. Tanker Operation Functional Diagram (Sheet 5 of 12).
• Figure 2-13. Tanker Operation Functional Diagram (Sheet 6 of 12).
• Figure 2-13. Tanker Operation Functional Diagram (Sheet 7 of 12).
• Figure 2-13. Tanker Operation Functional Diagram (Sheet 8 of 12).
• Figure 2-13. Tanker Operation Functional Diagram (Sheet 9 of 12).
• Figure 2-13. Tanker Operation Functional Diagram (Sheet 10 of 12).
• Figure 2-13. Tanker Operation Functional Diagram (Sheet 11 of 12).
• Figure 2-13. Tanker Operation Functional Diagram (Sheet 12 of 12).
• Figure 2-14. Tanker Fuel System Schematic.
• FUEL SPILLS FROM VENT WHEN BOTTOM LOADING WITH EXTERIOR PUMP.
• FUEL FLOW DOES NOT STOP WITHIN 15 SECONDS AFTER OPENING V12 B/L PRECHECK VALVE
• FUEL FLOW DOES NOT STOP WITHIN 15 SECONDS AFTER OPENING V12 B/L PRECHECK VALVE-continued
• CANNOT BOTTOM LOAD FUEL WITH TANKER PUMP.
• CANNOT BOTTOM LOAD FUEL WITH TANKER PUMP-continued
• AUXILIARY PUMP WILL NOT PUMP FUEL.
• AUXILIARY PUMP WILL NOT PUMP FUEL-continued
• AUXILIARY PUMP WILL NOT PUMP FUEL-continued
• AUXILIARY PUMP WILL NOT PUMP FUEL-continued
• AUXILIARY PUMP WILL NOT PUMP FUEL-continued
• AUXILIARY PUMP WILL NOT PUMP FUEL-continued
• FUEL SERVICING RATE IS SLOW OR NO FLOW.
• CANNOT EVACUATE FUEL FROM HOSES OR PRIMARY PUMP STOPS OR FAILS TO DELIVER RATED FLOW.
• CANNOT EVACUATE FUEL FROM HOSES OR PRIMARY PUMP STOPS OR FAILS TO DELIVER RATED FLOW-continued
• CANNOT EVACUATE FUEL FROM HOSES OR PRIMARY PUMP STOPS OR FAILS TO DELIVER RATED FLOW-continued
• PRIMARY PUMP MAKES EXCESSIVE NOISE.
• AUXILIARY PUMP FAILS TO DELIVER RATED FLOW.
• TANK LEVEL INDICATOR GAGE DOES NOT REGISTER PROPER FUEL LEVEL.
• TANK LEVEL INDICATOR GAGE DOES NOT REGISTER PROPER FUEL LEVEL-continued
• TANK LEVEL INDICATOR GAGE DOES NOT REGISTER PROPER FUEL LEVEL-continued
• TANK LEVEL INDICATOR GAGE DOES NOT REGISTER PROPER FUEL LEVEL-continued
• TANK LEVEL INDICATOR GAGE DOES NOT REGISTER PROPER FUEL LEVEL-continued
• TANK LEVEL INDICATOR GAGE DOES NOT REGISTER PROPER FUEL LEVEL-continued
• TANK LEVEL INDICATOR GAGE DOES NOT REGISTER PROPER FUEL LEVEL-continued
• TANK LEVEL INDICATOR GAGE DOES NOT REGISTER PROPER FUEL LEVEL-continued
• TANK LEVEL INDICATOR GAGE DOES NOT REGISTER PROPER FUEL LEVEL-continued
• TANK LEVEL INDICATOR GAGE DOES NOT REGISTER PROPER FUEL LEVEL-continued
• ARCTIC HEATER KIT
• Figure 2-15. Arctic Heater Kit Wiring Diagram (Model A).
• COOLANT PUMP FAILS TO OPERATE (INDICATOR LIGHT COMES ON) (MODEL A).
• HEAT OUTPUT TO BATTERY BOX TOO LOW (MODEL A).
• HEATER FAILS TO SUFFICIENTLY WARM ENGINE (COOLANT PUMP OPERATING) (MODEL A).
• CIRCUIT BREAKER OPENS (MODEL A).
• ARCTIC HEATER FAULT CODE RETRIEVAL DEVICE (FCRD) OPERATION (MODEL B)-continued
• Install Fault Code Retrieval Device (FCRD)
• ARCTIC HEATER FAULT CODE RETRIEVAL DEVICE (FCRD) OPERATION (MODEL B)-continued
• Review past fault codes (F1 to F5) or (F5 to F1).
• Remove fault code retrieval device (FCRD).
• ARCTIC HEATER DOES NOT OPERATE (MODEL B).
• ARCTIC HEATER DOES NOT OPERATE (MODEL B)-continued
• Figure 2-16. Arctic Heater Kit Wiring Diagram (Model B).
• ARCTIC HEATER DOES NOT OPERATE (MODEL B)-continued
• ARCTIC HEATER DOES NOT OPERATE (MODEL B)-continued
• ARCTIC HEATER DOES NOT OPERATE (MODEL B)-continued
• ARCTIC HEATER DOES NOT OPERATE (MODEL B)-continued
• ARCTIC HEATER DOES NOT OPERATE (MODEL B)-continued
• ARCTIC HEATER INDICATOR LIGHT DOES NOT ILLUMINATE (MODEL B).
• Figure 2-16.1. Arctic Heater Kit Wiring Diagram (Model B).
• ARCTIC HEATER DIAGNOSTIC TROUBLESHOOTING (ORGANIZATIONAL LEVEL) (MODEL B).
• Figure 2-16.2. Arctic Heater Fault Codes (Model B).
• ARCTIC HEATER DIAGNOSTIC TROUBLESHOOTING (ORGANIZATIONAL LEVEL) (MODEL B)-continued
• Figure 2-16.3. Arctic Heater Kit Wiring Diagram (Model B).
• ARCTIC HEATER DIAGNOSTIC TROUBLESHOOTING (ORGANIZATIONAL LEVEL) (MODEL B)-continued
• ARCTIC HEATER DIAGNOSTIC TROUBLESHOOTING (ORGANIZATIONAL LEVEL) (MODEL B)-continued
• ARCTIC HEATER DIAGNOSTIC TROUBLESHOOTING (ORGANIZATIONAL LEVEL) (MODEL B)-continued
• ARCTIC HEATER DIAGNOSTIC TROUBLESHOOTING (ORGANIZATIONAL LEVEL) (MODEL B)-continued
• ARCTIC HEATER DIAGNOSTIC TROUBLESHOOTING (ORGANIZATIONAL LEVEL) (MODEL B)-continued
• ARCTIC HEATER DIAGNOSTIC TROUBLESHOOTING (ORGANIZATIONAL LEVEL) (MODEL B)-continued
• ARCTIC HEATER DIAGNOSTIC TROUBLESHOOTING (ORGANIZATIONAL LEVEL) (MODEL B)-continued
• ARCTIC HEATER DIAGNOSTIC TROUBLESHOOTING (ORGANIZATIONAL LEVEL) (MODEL B)-continued
• ARCTIC HEATER DIAGNOSTIC TROUBLESHOOTING (ORGANIZATIONAL LEVEL) (MODEL B)-continued
• STE/ICE Instructions
• Figure 2-17. STE/ICE Vehicle Test
• Vehicle Test Meter (VTM)
• Figure 2-18. Relationship of GO, NO-GO Tests.
• Figure 2-19. STE/ICE System
• Figure 2-20. VTM Controls and Readout Display
• TEST SELECT SWITCHES
• Figure 2-21. Cable Assemblies.
• Figure 2-23. Transducer Kit.
• Table 2-12. Status Readout
• Table 2-13. Prompting Messages
• Confidence Error Readouts
• Table 2-14. Error Readouts
• Table 2-15. Transducer ID Numbers
• Offset Tests
• HEMTT-M977-M985 VEHICLE TEST CARD-VID 18-DCA
• HEMTT-M977-M985 VEHICLE TEST CARD-VID 18-DCA 6
• STE/ICE Go/No-Go Chain
• VTM CONNECTIONS AND CHECKOUT-continued
• VTM CONNECTIONS AND CHECKOUT-continued
• VTM CONNECTIONS AND CHECKOUT-continued
• VTM CONNECTIONS AND CHECKOUT-continued
• VTM CONNECTIONS AND CHECKOUT-continued
• FIRST PEAK-STARTER CURRENT
• FIRST PEAK-STARTER CURRENT-continued
• ENGINE START/LUBRICATION CHECK
• ENGINE START/LUBRICATION CHECK-continued
• ENGINE START/LUBRICATION CHECK-continued
• CHARGING CIRCUIT AND BATTERY VOLTAGE TEST
• CHARGING CIRCUIT AND BATTERY VOLTAGE TEST-continued
• ENGINE WARMUP/COOLANT CHECK FUEL FILTER RESTRICTION TEST/OIL PRESSURE TEST
• ENGINE WARMUP/COOLANT CHECK FUEL FILTER RESTRICTION TEST/OIL PRESSURE TEST-continued
• ENGINE WARMUP/COOLANT CHECK FUEL FILTER RESTRICTION TEST/OIL PRESSURE TEST-continued
• IDLE SPEED CHECK
• GOVERNOR CHECK/POWER TEST
• GOVERNOR CHECK/POWER TEST-continued
• COMPRESSION UNBALANCE TEST
• COMPRESSION UNBALANCE TEST-continued
• COMPRESSION UNBALANCE TEST-continued
• LOW OIL PRESSURE CHECK
• LOW OIL PRESSURE CHECK-continued
• NO CRANK-NO START
• ENGINE CRANK-NO START
• ENGINE CRANK-NO START-continued
• ENGINE CRANK-NO START-continued
• ENGINE CRANK-NO START-continued
• GAGE TEST
• GAGE TEST-continued
• CHARGING CIRCUIT TESTS
• STARTER CIRCUIT TEST
• STARTER CIRCUIT TEST-continued
• STARTER CIRCUIT TEST-continued
• STARTER CIRCUIT TEST-continued
• STARTER CIRCUIT TEST-continued
• STARTER CIRCUIT TEST-continued
• BATTERY TESTS
• BATTERY TESTS-continued
• BATTERY TESTS-continued
• BATTERY TESTS-continued
• BATTERY TESTS-continued
• GOVERNOR/POWER TEST FAULT ISOLATION
• GOVERNOR/POWER TEST FAULT ISOLATION-continued
• GOVERNOR/POWER TEST FAULT ISOLATION-continued
• ENGINE TIGHTNESS TEST
• Section VI. MAINTENANCE PROCEDURES
• GROUND HANDLING.
• CLEANING PROCEDURES.
• ASSEMBLY.
• RADIO INTERFERENCE SUPPRESSION-continued
• PLACING IN SERVICE.
• Section VII. PREPARATION FOR STORAGE OR SHIPMENT
• STORAGE-continued
• STORAGE-continued
• Extended storage (vehicle inactive).
• Axle extended storage.
• Fuel system extended storage.
• Removing vehicle from storage
• CHAPTER 3. ENGINE MAINTENANCE
• ENGINE BLOCK COOLING SYSTEM DRAINCOCK REMOVAL/INSTALLATION-continued
• Removal -- Left Side Cooling
• ROCKER COVER AND GASKET REMOVAL/INSTALLATION
• Removal-continued
• Installation.
• Follow-on Maintenance.
• Section III. ENGINE LUBRICATION SYSTEMS
• Disassembly.
• ENGINE OIL FILTER ADAPTER REMOVAL/REPAIR/INSTALLATION
• Disassembly
• OIL COOLER INET ELBOW AND FLANGE ELBOW REMOVAL/INSTALLATION
• Removal-continued
• Removal-continued
• Installation.
• Installation-continued
• OIL COOLER HOUSING REMOVAL/INSTALLATION
• Removal.
• Removal-continued
• Installation.
• Follow-on Maintenance.
• ENGINE OIL SAMPLING VALVE AND FITTINGS REMOVAL/INSTALLATION.
• CHAPTER 4. FUEL SYSTEM MAINTENANCE
• Section II. AIR CLEANER
• AIR FILTER ELEMENT REMOVAL/SERVICE/INSTALLATION
• Removal-continued
• Service.
• Installation.
• Installation-continued
• AIR INTAKE DUCTING REMOVAL/INSTALLATION
• Removal-continued
• Installation.
• AIR CLEANER ASSEMBLY REMOVAL/INSTALLATION.
• Removal.
• Removal-continued
• Installation.
• Follow-on Maintenance.
• Section III. FUEL TANK AND LINES
• Removal-continued
• Removal-continued
• Removal-continued
• Installation.
• Installation-continued
• Installation-continued
• Follow-on Maintenance.
• FUEL TANK AND BRACKETS REMOVAL/INSTALLATION.
• Removal-continued
• Removal-continued
• Cleaning/Inspection.
• Installation.
• Installation-continued
• Installation-continued
• Follow-on Maintenance.
• Section IV. ENGINE STOP SOLENOID
• Section V. FUEL FILTERS
• FUEL-WATER SEPARATOR REMOVAL/REPAIR/INSTALLATION.
• Removal.
• Removal-continued
• Disassembly.
• Cleaning/Inspection.
• Assembly.
• Schematic Drawing
• Assembly-continued
• Installation
• SECONDARY FUEL FILTER REMOVAL/INSTALLATION
• Removal.
• Section VI. ENGINE STARTING AID
• ETHER STARTING AID REMOVAL/INSTALLATION-continued
• Installation.
• Follow-on Maintenance
• Section VII. THROTTLE CONTROLS
• THROTTLE TREADLE VALVE REMOVAL/INSTALLATION.
• Removal.
• Installation.
• ENGINE HIGH IDLE PRESSURE REGULATOR AND SOLENOID REMOVAL/REPAIR/INSTALLATION/ADJUSTMENT (M984)
• Removal
• Installation.
• Installation-continued
• Adjustment.
• THROTTLE AIR SOLENOID CHECK VALVE REMOVAL/INSTALLATION (M984)
• Installation.
• CHAPTER 5. EXHAUST SYSTEM MAINTENANCE
• MUFFLER ASSEMBLY REMOVAL/INSTALLATION-continued
• Removal-continued
• Installation.
• Installation-continued
• Installation-continued
• Follow-on Maintenance
• CHAPTER 6. COOLING SYSTEM MAINTENANCE
• Section II. RADIATOR
• COOLING SYSTEM SERVICING-continued
• Fill Cooling System.
• RADIATOR REMOVAL/INSTALLATION.
• Removal-continued
• Installation.
• Follow-on Maintenance.
• RADIATOR BAFFLE REMOVAL/INSTALLATION.
• Removal.
• Installation.
• SIDE AND BOTTOM RADIATOR BAFFLE REMOVAL/INSTALLATION.
• Removal-continued
• Installation.
• Installation-continued
• FAN SHROUD REMOVAL/INSTALLATION.
• COOLING SYSTEM HOSES AND TUBES REMOVAL/INSTALLATION.
• Removal-continued
• Removal-continued
• Installation.
• Installation-continued
• Follow-on Maintenance.
• Section III. THERMOSTATS
• Removal-continued
• Removal-continued
• Installation.
• Installation-continued
• RIGHT THERMOSTAT, COVER, AND HOUSING REMOVAL/INSTALLATION.
• Removal.
• Removal-continued
• Removal-continued
• Installation.
• Installation-continued
• Installation-continued
• Follow-on Maintenance.
• Section IV. FAN
• FAN CONTROL VALVE REMOVAL/INSTALLATION-continued
• FAN REMOVAL/INSTALLATION.
• Removal-continued
• Installation.
• Follow-on Maintenance
• FAN CLUTCH REMOVAL/INSTALLATION.
• Removal.
• FAN CLUTCH TO ENGINE BLOCK HOSE REMOVAL/INSTALLATION.
• Installation.
• Follow-on Maintenance.
• ALTERNATOR BELT ADJUSTMENT.
• Follow-on Maintenance
• ALTERNATOR BELT REMOVAL/INSTALLATION.
• FAN BELT ADJUSTMENT.
• FAN BELT REMOVAL/INSTALLATION.
• Installation.
• Follow-on Maintenance
• CHAPTER 7. ELECTRICAL SYSTEM MAINTENANCE
• Contents-continued
• Section I. INTRODUCTION
• Alternator Testing
• ALTERNATOR AND PULLEY REMOVAL/INSTALLATION.
• Installation.
• Follow-on Maintenance.
• ALTERNATOR SUPPORT AND ADJUSTING STRAP REMOVAL/INSTALLATION.
• Installation.
• Follow-on Maintenance.
• Installation.
• VOLTAGE REGULATOR ADJUSTMENT (MODEL A).
• VOLTAGE REGULATOR ADJUSTMENT (MODEL B).
• Section III. STARTER
• Testing.
• STARTER MOTOR REMOVAL/INSTALLATION.
• Installation.
• Section IV. ENGINE SAFETY CONTROLS
• Disassembly-continued
• Disassembly-continued
• Disassembly-continued
• Disassembly-continued
• Assembly.
• Assembly-continued
• Assembly-continued
• Assembly-continued
• Assembly-continued
• ENGINE HIGH IDLE BOX REMOVAL/REPAlR/lNSTALLATION (M977, M985).
• Removal.
• Disassembly-continued
• Disassembly-continued
• Assembly.
• Figure 7-1. ENGINE HIGH IDLE Box Assembly Wiring Diagram (M977, M985)
• Assembly-continued
• ENGINE HIGH IDLE BOX, CONNECTOR, SWITCHES, AND BRACKET REMOVAL/INSTALLATION (CRANE MOUNTED) (M984, M985E1).
• Removal (M984).
• Removal (M984)-continued
• Removal (M984)-continued
• Removal (M984)-continued
• Installation (M984).
• Installation (M984)-continued
• Installation (M984)-continued
• Installation (M984)-continued
• Installation (M984)-continued
• Installation (M984)-continued
• Removal (M985E1).
• Removal (M985E1)-continued
• Removal (M985E1)-continued
• Removal (M985E1)-continued
• Removal (M985E1)-continued
• Installation (M985E1).
• Installation (M985E1)-continued
• Installation (M985E1)-continued
• Installation (M985E1)-continued
• ENGINE HIGH IDLE BOX, CONNECTORS, AND SWITCHES REMOVAL/INSTALLATION (TIRE DAVIT MOUNTED) (M984, M985E1).
• Removal.
• Removal-continued
• Removal-continued
• Removal-continued
• Installation.
• Installation-continued
• Installation-continued
• Installation-continued
• OIL MANIFOLD REMOVAL/INSTALLATION.
• Removal
• Installation
• ENGINE CIRCUIT BREAKER REMOVAL/INSTALLATION.
• Removal-continued
• Removal-continued
• Installation.
• Installation-continued
• BUS BAR REMOVAL/INSTALLATION.
• Removal.
• Removal-continued
• Installation.
• Follow-on Maintenance.
• DIODE REMOVAL/INSTALLATION.
• Follow-on Maintenance.
• SENDER MOUNTING BRACKET REMOVAL/INSTALLATION.
• Removal.
• Section V. INSTRUMENT AND CONTROL PANELS
• Installation.
• Follow - on Maintenance.
• UTILITY OUTLET REMOVAL/INSTALLATION (A2 AND A2R1 MODELS).
• Removal-continued
• Installation.
• Follow - on Maintenance.
• INSTRUMENT PANEL REMOVAL/INSTALLATION.
• Removal.
• OIL PRESSURE GAGE REMOVAL/INSTALLATION.
• WATER TEMPERATURE GAGE REMOVAL/INSTALLATION.
• Removal.
• TRANSMISSION OIL TEMPERATURE GAGE REMOVAL/INSTALLATION.
• Removal.
• FUEL GAGE REMOVAL/INSTALLATION.
• Removal.
• VOLTMETER REMOVAL/INSTALLATION
• Removal.
• AMMETER REMOVAL/INSTALLATION.
• Removal.
• SPEEDOMETER/ODOMETER REMOVAL/INSTALLATION.
• TACHOMETER/HOURMETER REMOVAL/INSTALLATION.
• SYSTEM BUZZER REMOVAL/INSTALLATION.
• JUNCTION BLOCK REMOVAL/INSTALLATION.
• TURN INDICATOR LIGHT ASSEMBLY REMOVAL/INSTALLATION.
• Removal.
• WARNING INDICATOR LIGHT ASSEMBLY REMOVAL/INSTALLATION.
• Removal.
• HIGH BEAM INDICATOR LIGHT ASSEMBLY REMOVAL/INSTALLATION.
• IGNITION RELAY REMOVAL/INSTALLATION.
• Installation.
• HORN RELAY REMOVAL/INSTALLATION.
• Installation.
• MAGNETIC SWITCH REMOVAL/INSTALLATION.
• Removal-continued
• Installation.
• Follow-on Maintenance.
• INSTRUMENT PANEL RECEPTACLE REMOVAL/INSTALLATION.
• Installation.
• ENGINE START SWITCH REMOVAL/INSTALLATION.
• Installation.
• ENGINE STOP SWITCH REMOVAL/INSTALLATION.
• SIDE PANEL SWITCHES REMOVAL/INSTALLATION.
• Removal
• ENGINE BRAKE INDICATOR LIGHT REMOVAL/INSTALLATION.
• MAIN LIGHT SWITCH REMOVAL/INSTALLATION.
• HEATER FAN SWITCH REMOVAL/INSTALLATION.
• CIRCUIT BREAKER (CENTER CONSOLE) REMOVAL/INSTALLATION.
• Removal-continued
• Installation.
• CIRCUIT BREAKER RACK AND PANEL REMOVAL/INSTALLATION.
• Installation.
• Follow-on Maintenance.
• INSTRUMENT PANEL HARNESS REMOVAL/INSTALLATION.
• Removal-continued
• Removal-continued
• Removal-continued
• Removal-continued
• Removal-continued
• Removal-continued
• Installation.
• Installation-continued
• Installation-continued
• Installation-continued
• Installation-continued
• Installation-continued
• Installation-continued
• BRAKE TREADLE VALVE STOPLIGHT SWITCH REMOVAL/INSTALLATION.
• Removal.
• Installation.
• Section VI. JUNCTION BOXES
• Removal-continued
• Removal-continued
• Removal-continued
• Installation.
• Installation-continued
• Installation-continued
• Follow-on Maintenance.
• AUXILIARY PUMP JUNCTION BOX ASSEMBLY REMOVAL/INSTALLATION (M978).
• Removal-continued
• Removal-continued
• Removal-continued
• Installation.
• Installation-continued
• Installation-continued
• Installation-continued
• Follow-on Maintenance.
• CONTROL JUNCTION BOX REMOVAL/INSTALLATION (M978).
• Removal.
• Removal-continued
• Removal-continued
• Removal-continued
• Installation.
• Installation-continued
• Installation-continued
• Installation-continued
• Section VII. MISCELLANEOUS SWITCHES
• Removal.
• Installation.
• FLASHER RELAY REMOVAL/INSTALLATION.
• Removal.
• Installation.
• Follow-on Maintenance.
• CONTROL BOX REMOVAL/REPAIR/INSTALLATION (M984E1).
• Control Box Installation.
• Control Box Switches Removal.
• Control Box Switches Installation.
• Control Box Connectors Removal.
• Control Box Connectors Installation.
• Control Box Relays Removal.
• Control Box Relays Installation.
• Control Box Junction Block Removal.
• TANKER CONDUIT TUBING REMOVAL/INSTALLATION (M978).
• Typical Conduit Tubing Removal
• Table 7-1. Tanker Conduit Tubing
• Figure 7-4. Electrical Conduit Tubing (Sheet 1 of 2).
• Figure 7-4. Electrical Conduit Tubing (Sheet 2 of 2).
• OUTRIGGER SWITCH BOX REMOVAL/INSTALLATION (M984)
• Installation.
• Follow-on Maintenance.
• REMOVABLE WORKLAMPS AND BRACKET REMOVAL/INSTALLATION (M984E1).
• Removal-continued
• Installation.
• Installation-continued
• Follow-on Maintenance.
• Section VIII. LIGHTS
• Disassembly-continued
• Disassembly-continued
• Disassembly-continued
• Disassembly-continued
• Assembly.
• Assembly-continued
• Assembly-continued
• Assembly-continued
• Follow-on Maintenance.
• REMOVABLE WARNING LIGHT REPAIR (MODEL C).
• Assembly.
• Follow-on Maintenance
• OPTIC RIBBON ASSEMBLY REMOVAL/INSTALLATION.
• Removal-continued
• Installation.
• Installation-continued
• HEADLIGHT ADJUSTMENT
• Headlight Aim Check.
• Headlight Adjustment.
• HEADLIGHT REMOVAL/INSTALLATION.
• Installation.
• HEADLIGHT ASSEMBLY REMOVAL/INSTALLATION.
• Removal-continued
• Removal-continued
• Installation.
• Installation-continued
• Follow-on Maintenance
• FRONT AND REAR COMPOSITE LIGHT LAMP REMOVAL/INSTALLATION.
• Removal.
• FRONT COMPOSITE LIGHT ASSEMBLY REMOVAL/INSTALLATION.
• Removal.
• COMPOSITE TAILLIGHT ASSEMBLY REMOVAL/INSTALLATION.
• Removal (M977, M983, M984, M985).
• Installation (M977, M983, M984, M985).
• Installation (M984E1)
• HIGH MOUNT STOP LAMP ASSEMBLY REMOVAL/INSTALLATION (M978).
• Removal.
• Installation.
• FRONT CAB CLEARANCE LAMP REMOVAL/INSTALLATION.
• Removal.
• FRONT CAB CLEARANCE LIGHT/LED ASSEMBLY AND MOUNTING BRACKET REMOVAL/INSTALLATION.
• Removal.
• Removal-continued
• Installation.
• Installation-continued
• Follow-on Maintenance.
• STEP, SIDE, AND REAR CLEARANCE, AND SIDE TURN LIGHT REMOVAL/INSTALLATION.
• SIDE AND REAR CLEARANCE LIGHTS/LED REMOVAL/INSTALLATION (M977, M983, M984, M985).
• Removal-continued
• Installation.
• SIDE AND REAR CLEARANCE LIGHT BRACKETS REMOVAL/INSTALLATION (M977, M984 , M985).
• Rear Clearance Light Brackets Removal (M977, M985).
• Rear Clearance Light Bracket  Installation  (M984).
• Center Rear Clearance Light Brackets Removal (M977, M985).
• Center Rear Clearance Light Brackets Installation (M977, M985).
• REAR SIDE CLEARANCE MARKER LIGHTS REMOVAL/INSTALLATION (M984E1).
• Installation.
• REAR CLEARANCE MARKER LIGHTS AND BRACKET REMOVAL/INSTALLATION (M984E1).
• Installation.
• BLACKOUT LIGHT ASSEMBLY REMOVAL/INSTALLATION.
• BLACKOUT LIGHT LAMP REMOVAL/INSTALLATION.
• Removal.
• DOMELIGHT ASSEMBLY REMOVAL/INSTALLATION.
• Removal.
• WORK LAMPS REMOVAL/INSTALLATION (M983).
• Removal-continued
• Removal-continued
• Installation.
• Installation-continued
• WORK LAMPS AND BRACKET REMOVAL/INSTALLATION (M9841).
• Removal.
• Removal-continued
• Removal-continued
• Installation.
• Installation-continued
• Follow-on  Maintenance.
• FIXED WORKLAMPS REMOVAL/INSTALLATION (M984E1).
• Installation.
• Follow-on Maintenance.
• WORK LAMPS REPAIR (M983, M984).
• Removable Work Lamp Disassembly-continued
• Removable Work Lamp Assembly.
• Removable Work Lamp Assembly-continued
• Fixed Work Lamp Disassembly.
• Fixed Work Lamp Disassembly-continued
• Fixed Work Lamp Assembly.
• Fixed Work Lamp Assembly-continued
• Follow-on Maintenance.
• BEACON LIGHT ASSEMBLY REMOVAL/REPAIR/INSTALLATION (MODELS A, B, AND C) (M984E1).
• Removal-continued
• Installation.
• Follow-on Maintenance.
• BEACON LIGHT ASSEMBLY REMOVAL/REPAIR/INSTALLATION MODEL D (M984E1).
• Removal.
• Installation.
• Follow-on Maintenance.
• BEACON LIGHT SUPPORT BRACKETS REMOVAL/INSTALLATION (M984E1).
• TOW LIGHT ASSEMBLY REPAIR (M984E1).
• Removal.
• Removal-continued
• Installation.
• Follow-on Maintenance.
• RED AND AMBER MARKER LIGHTS REMOVAL/INSTALLATION (M978).
• Installation.
• PUMP MODULE CLEARANCE LIGHTS REMOVAL/INSTALLATION (M978).
• Removal-continued
• Installation.
• PUMP MODULE COMPARTMENT LIGHTS REMOVAL/INSTALLATION (M978).
• Removal.
• Installation.
• Installation-continued
• Section IX. SENDING UNITS AND WARNING SYSTEMS
• Removal.
• WATER TEMPERATURE SENDING UNIT AND ALARMSTAT REMOVAL/INSTALLATION.
• Removal.
• OIL PRESSURE SENDING UNIT REMOVAL/INSTALLATION.
• Removal.
• FUEL LEVEL SENDING UNIT REMOVAL/INSTALLATION.
• Installation.
• SPEEDOMETER SENDING UNIT REMOVAL/INSTALLATION.
• Installation.
• HOUR METER OIL PRESSURE SWITCH REMOVAL/INSTALLATION.
• Removal.
• OIL MANIFOLD HOSE REMOVAL/INSTALLATION.
• Installation
• Follow-on Maintenance.
• OIL PRESSURE SWITCH REMOVAL/INSTALLATION.
• Removal.
• TRANSMISSION OIL TEMPERATURE SWITCH REMOVAL/INSTALLATION.
• Removal.
• TLI TANK LEVEL INDICATOR GAGE AND BRACKET REMOVAL/INSTALLATION (M978) (TWO STUDS ON BACK OF INDICATOR GAGE).
• Removal-continued
• Removal-continued
• Installation.
• Installation-continued
• Follow-on Maintenance.
• TLI TANK LEVEL INDICATOR GAGE AND BRACKET REMOVAL/INSTALLATION (M978) (FIVE STUDS ON BACK OF INDICATOR GAGE).
• Removal-continued
• Removal-continued
• Installation.
• Installation-continued
• Follow-on Maintenance.
• Removal.
• Removal-continued
• Installation.
• Installation-continued
• Installation-continued
• Adjustment.
• Adjustment-continued
• Follow-on  Maintenance.
• FUEL LEVEL SENSOR REMOVAL/INSTALLATION (M978).
• Installation
• ELECTRIC HORN REMOVAL/INSTALLATION.
• Removal.
• Installation.
• Section X. BATTERIES AND BATTERY BOX
• Removal-continued
• Removal-continued
• Removal-continued
• Removal-continued
• Service
• Installation.
• Installation-continued
• Installation-continued
• Follow-on Maintenance.
• NEGATIVE BATTERY CABLES DISCONNECT/CONNECT.
• Connect.
• Connect.
• BATTERY BOX AND NATO CONNECTOR REMOVAL/REPAIR/INSTALLATION.
• Removal.
• Removal-continued
• Disassembly.
• Disassembly-continued
• Disassembly-continued
• Assembly.
• Assembly-continued
• Assembly-continued
• Installation.
• Installation-continued
• NATO SLAVE RECEPTACLE AND BOX REMOVAL/REPAIR/INSTALLATION.
• Removal.
• Disassembly.
• Assembly.
• Assembly-continued
• Section XI. CHASSIS WIRING COMPONENTS
• RESISTOR MODULE REMOVAL/INSTALLATION-continued
• Installation.
• Installation-continued
• STARTER RELAY REMOVAL/INSTALLATION.
• Removal.
• PTO INDICATOR LIGHT ASSEMBLY, SWITCH, AND HARNESS REMOVAL/INSTALLATION.
• Installation.
• CRANE OUTRIGGER EXTENDED LIGHT ASSEMBLY REMOVAL/INSTALLATION (M983, M984, M985E1).
• Installation.
• NEUTRAL INTERLOCK SWITCH SENDER UNIT REMOVAL/INSTALLATION.
• Removal.
• TACHOMETER SENDING UNIT REMOVAL/INSTALLATION.
• TRACTION CONTROL INDICATOR LIGHT ASSEMBLY REMOVAL/INSTALLATION.
• Installation.
• ETHER START SWITCH REMOVAL/INSTALLATION.
• Installation.
• HORN SWITCH CONTACT ROLLER REMOVAL/INSTALLATION.
• Removal.
• Installation.
• Follow-on Maintenance.
• DIMMER SWITCH REMOVAL/INSTALLATION.
• TRAILER ELECTRICAL CONNECTOR REMOVAL/INSTALLATION (M983).
• Removal.
• Installation.
• FUEL RESTRICTION SENSOR REMOVAL/INSTALLATION.
• Removal.
• Follow-on Maintenance.
• CLEARANCE LIGHT WIRING HARNESS REMOVAL/INSTALLATION (M977, M985)
• Removal-continued
• Installation.
• Follow-on Maintenance.
• INDEX
• INDEX-continued
• INDEX-continued
• INDEX-continued
• INDEX-continued
• INDEX-continued
• INDEX-continued
• INDEX-continued
• INDEX-continued
• INDEX-continued
• INDEX-continued
• INDEX-continued
• INDEX-continued
• INDEX-continued
• INDEX-continued
• THE METRIC SYSTEM AND EQUIVALENTS
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• TM-9-2320-279-20-1
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• RECOMMENDED CHANGES TO EQUIPMENT PUBLICATIONS
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• Distribution
• Distribution
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