Task 1. Describe the Features and Characteristics Expanded Mobility Tactical Truck (HEMTT)
Figure 1. M977 Cargo Vehicle
Figure 2. M978 Tanker Vehicle
Figure 3. M983 Tractor Vehicle With Crane.
Figure 4. M983 Tractor Vehicle Without Crane.
Figure 5. M984 Wrecker Recovery Vehicle.
Figure 6. M984E1 Wrecker Recovery Vehicle
Figure 7. M985 Cargo Vehicle.
Characteristics
Capabilities.
Component Locations.
Figure 9. M977 Through M985 Component Location
M977 Cargo Vehicle.
Figure 10. M977 Cargo Vehicle Component Location
Figure 11. M978 Tanker Vehicle Component Location
M983 Tractor Vehicle (W/Crane)
Figure 12. M983 Tractor Vehicle(W/Crane) Component Location.
Figure 13. M983 Tractor Vehicle (W/O Crane) Component Location
Figure 14. M984E1 Wrecker Recovery Vehicle Component Location.
M985 Cargo Vehicle
Figure 15. M985 Cargo Vehicle Component Location
Table 1. Equipmemt Data
Table 1: Equipment Data - Continued - OD166280026
Table 1: Equipment Data - Continued - OD166280027
Table 1: Equipment Data - Continued - OD166280028
Table 1: Equipment Data - Continued - OD166280029
Table 1: Equipment Data - Continued - OD166280030
Table 1: Equipment Data - Continued - OD166280031
Table 1: Equipment Data - Continued - OD166280032
Table 1: Equipment Data - Continued - OD166280033
Figure 16. Power Train
Engine Systems
Figure 17. Air Intake System
Figure 18. Full System
Figure 20. Electrical System
Air Systems
Figure 21. Air System Component Location.
Figure 22. Steering System.
Figure 23. Self - Recovery Winch.
Figure 24. M978 Tanker Equipmemt.
Figure 25. Main Hydraulic System.
Task 2. Describe the Troubleshooting Procedures for Malfunctions Occuring Within the VArious Systems
Troubleshooting Approach - OD166280046
Troubleshooting and Repair
Troubleshooting Procedure. - OD166280048
Figure 27. Engine Start Switch.
Troubleshooting Procedure. - Continued
Figure 28. Starter MotorTesting.
Figure 29. Starter Motor Cable And Solenoid Wire Removal
Figure 30. Starter Motor Removal
Troubleshooting Procedures.
Repair Procedures.
Figure 32. Fuel Level Sending Unit Removal.
Figure 34. Fuel Level Sending Unit Installation
Hydraulic System Troubleshooting.
Steering System Troubleshooting
Air System Troubleshooting
Troubleshooting Procedure. - OD166280061
Figure 37. Air Compressor and Air Governor Line Test Connections
Repair Procedures.
Figure 39. Air Reservior Removal
Figure 40. Air Reservoir Disassembly.
Figure 41. Tee Assembly Disassembly
Figure 43. Elbow Disassembly and Check Valve Removal.
Tanker System Troubleshooting
Troubleshooting Procedures
Repair Procedures
Figure 46. VNPG Gage Removal and Installation
Conclusion - OD166280072
Practical Exercise 1 - OD166280073
Lesson 1. Practical Exercise - Answers - OD166280074
Lesson 1. Practical Exerise and Answers cont.
References - OD166280077
Maintenance of the Heavy Expanded Mobility Tactical Truck (HEMTT)
Figure 1. M977 Cargo Vehicle
Figure 2. M978 Tanker Vehicle
Figure 3. M983 Tractor Vehicle With Crane.
Figure 4. M983 Tractor Vehicle Without Crane.
Figure 5. M984 Wrecker Recovery Vehicle.
Figure 6. M984E1 Wrecker Recovery Vehicle
Figure 7. M985 Cargo Vehicle.
Characteristics
Capabilities.
Component Locations.
Figure 9. M977 Through M985 Component Location
M977 Cargo Vehicle.
Figure 10. M977 Cargo Vehicle Component Location
Figure 11. M978 Tanker Vehicle Component Location
M983 Tractor Vehicle (W/Crane)
Figure 12. M983 Tractor Vehicle(W/Crane) Component Location.
Figure 13. M983 Tractor Vehicle (W/O Crane) Component Location
Figure 14. M984E1 Wrecker Recovery Vehicle Component Location.
M985 Cargo Vehicle
Figure 15. M985 Cargo Vehicle Component Location
Table 1. Equipmemt Data
Table 1: Equipment Data - Continued - OD166280026
Table 1: Equipment Data - Continued - OD166280027
Table 1: Equipment Data - Continued - OD166280028
Table 1: Equipment Data - Continued - OD166280029
Table 1: Equipment Data - Continued - OD166280030
Table 1: Equipment Data - Continued - OD166280031
Table 1: Equipment Data - Continued - OD166280032
Table 1: Equipment Data - Continued - OD166280033
Figure 16. Power Train
Engine Systems
Figure 17. Air Intake System
Figure 18. Full System
Figure 20. Electrical System
Air Systems
Figure 21. Air System Component Location.
Figure 22. Steering System.
Figure 23. Self - Recovery Winch.
Figure 24. M978 Tanker Equipmemt.
Figure 25. Main Hydraulic System.
Task 2. Describe the Troubleshooting Procedures for Malfunctions Occuring Within the VArious Systems
Troubleshooting Approach - OD166280046
Troubleshooting and Repair
Troubleshooting Procedure. - OD166280048
Figure 27. Engine Start Switch.
Troubleshooting Procedure. - Continued
Figure 28. Starter MotorTesting.
Figure 29. Starter Motor Cable And Solenoid Wire Removal
Figure 30. Starter Motor Removal
Troubleshooting Procedures.
Repair Procedures.
Figure 32. Fuel Level Sending Unit Removal.
Figure 34. Fuel Level Sending Unit Installation
Hydraulic System Troubleshooting.
Steering System Troubleshooting
Air System Troubleshooting
Troubleshooting Procedure. - OD166280061
Figure 37. Air Compressor and Air Governor Line Test Connections
Repair Procedures.
Figure 39. Air Reservior Removal
Figure 40. Air Reservoir Disassembly.
Figure 41. Tee Assembly Disassembly
Figure 43. Elbow Disassembly and Check Valve Removal.
Tanker System Troubleshooting
Troubleshooting Procedures
Repair Procedures
Figure 46. VNPG Gage Removal and Installation
Conclusion - OD166280072
Practical Exercise 1 - OD166280073
Lesson 1. Practical Exercise - Answers - OD166280074
Lesson 1. Practical Exerise and Answers cont.
References - OD166280077
Maintenance of the Heavy Expanded Mobility Tactical Truck (HEMTT)
