TM 9-2320-272-24-4
THIS TASK COVERS:
b. Installation
a. Removal
INITIAL SETUP:
APPLICABLE MODELS
REFERENCES (TM)
LO 9-2320-272-12
M936/A1/A2
TM 9-2320-272-10
SPECIAL TOOLS
TM 9-2320-272-24P
Spanner wrench (Appendix E, Item 167)
EQUIPMENT CONDITION
TOOLS
Parking brake set (TM 9-2320-272-10).
Boom lowered (TM 9-2320-272-10).
General mechanic's tool kit (Appendix E, Item 1)
Boom lifting device
GENERAL SAFETY INSTRUCTIONS
MATERIALS/PARTS
All personnel must stand clear during lifting
operations.
Packing (Appendix D, Item 510)
GAA grease (Appendix C, Item 28)
WARNING
All personnel must stand clear during lifting operations. A
snapped cable, or shifting or swinging load ,may cause injury to
personnel.
1.
Place wrecker boom (2) cylinder control lever (7) in UP position.
2.
Raise wrecker boom (2) with lifting device and install shipper braces (TM 9-2320-272-10).
3.
Place boom cylinder control lever (7) in LOWER position to release pressure from elevating cylinder (6).
4.
Using spanner wrench, loosen packing nut (3) from cylinder head (5).
5.
Slide nut (3) up on piston rod (1) to expose packing (4).
CAUTION
Use care not to scratch piston rod surface when removing packing.
6.
Slide packing (4) up piston rod (1) and remove. Discard packing (4).
1.
Coat packing (4) with GAA grease and position around piston rod (1).
2.
Install packing (4) into cylinder head (5) and slide nut (3) onto cylinder head (5).
3.
Using spanner wrench, tighten nut (3).
4.
Remove lifting device from wrecker boom (2).
5-610
