TM 9-2320-260-34-2
16-24. HOIST HYDRAULIC PUMP AND SUPPORT MAINTENANCE (M816)
THIS TASK COVERS:
c. Installation
a. Removal
b. Cleaning, Inspection, and Repair
INITIAL SETUP
MATERIALS/PARTS (Contd)
APPLICABLE MODELS
Adhesive (Appendix C, Item 3)
M816
Antiseize tape (Appendix C, Item 50)
TOOLS
Cap and plug set (Appendix C, Item 6)
General mechanic's tool kit
Solder (Appendix C, Item 47)
(Appendix B, Item 1)
REFERENCES (TM)
Torque wrench, 3/8-in. dr.
LO 9-2320-260-12
(Appendix B, Item 4)
TM 9-2320-260-10
Soldering gun (Appendix B, Item 117)
TM 9-2320-260-34P-2
Lifting device
Chain
EQUIPMENT CONDITION
MATERIALS/PARTS
Parking brake set (TM 9-2320-260-10).
q
Six lockwashers (Appendix D, Item 215)
q Boom elevated, and shipper braces extended,
Four lockwashers (Appendix D, Item 223)
locked, and installed (TM 9-2320-260-10).
Four lockwashers (Appendix D, Item 247)
q Hydraulic system drained (LO 9-2320-260-12).
Gasket (Appendix D, Item 86)
Perform steps 1 through 4 if boom will not elevate under its own
power.
1. Attach chain to boom (1) and lifting device.
2. Disconnect shipper braces (2) from boom (1). Extend shipper braces (2) to maximum length, and lock
in place.
3. Raise boom (1) to height of extended shipper braces (2), and attach shipper braces (2) to boom (1).
4. Remove chain from boom (1) and lifting device.
CAUTION
Clean area around hoses and lines before removal to prevent entry
of dirt. Damage will occur is dirt or dust enters system.
NOTE
Have drainage container ready to catch oil.
q
q Tag hoses for installation.
5. Remove hose (5) from oil filter (6).
6. Remove hoses (5) and (4) from hydraulic pump (3).
7. Remove four screws (7) and Iockwashers (18) from hydraulic pump (3). Discard lockwashers (18).
NOTE
Assistant will help with step 8.
8. Remove hydraulic pump (3) from support (10).
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