TM 9-2320-260-34-2
15-53. LIFTGATE MAIN FRAME MAINTENANCE (M820A2)
THIS TASK COVERS:
c. Installation
a. Removal
b. Cleaning and Inspection
lNITIAL SETUP
EQUIPMENT CONDITION
APPLICABLE MODELS
Parking brake set (TM 9-2320-260-10).
M820A2
Liftgate lift frame removed (para. 15-52).
TOOLS
Liftgate cylinder removed (para. 15-59).
Liftgate control valve removed (para. 15-58).
General mechanic's tool kit
Liftgate control linkage removed (para. 15-55).
(Appendix B, Item 1)
Hydraulic jack
GENERAL SAFETY INSTRUCTIONS
REFERENCES (TM)
q All personnel must stand clear during lifting
TM 9-2320-260-10
operations.
TM 9-2320-260-34P-2
q Ensure lifting capacity is greater than weight of
liftgate main frame.
a. Removal
1. Remove four lubrication fittings (4) from main frame (6).
2. Center hydraulic jack under main frame (6) and raise in place.
3. Remove twelve nuts (2) and screws (3) from main frame (6) and vehicle frame (1).
WARNING
All personnel must stand clear during lifting operations.
A swinging or shifting load may cause injury to personnel.
Ensure lifting capacity is greater than weight of liftgate main
frame. Failure to do so may result in injury to personnel or
damage to equipment.
NOTE
Two assistants will help with steps 4 and 5.
4. While steadying main frame (6) by control levers (5), remove main frame (6) from vehicle frame (1).
5. Remove main frame (6) from hydraulic jack.
b. Cleaning and Inspection
1. For general cleaning instructions, refer to para. 2-8.
2. For general inspection instructions, refer to para. 2-9.
All personnel must stand clear during Iifting operations.
A swinging or shifting load may cause injury to personnel.
Ensure Iifting capacity is greater than weight of liftgate main
frame. Failure to do so may result in injury to personnel or
damage to equipment.
15-206
