TM-9-2320-361-34
2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
MAY 1992
TM-9-2320-361-34 - Page 513 of 764
TM 9-2320-361-34
I
15-45.
HYDRAULIC PUMP REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP
APPLICABLE MODELS
M764
TOOLS
General mechanic’s tool kit (Appendix B, Item 1)
MATERIALS/PARTS
Four locknuts (Appendix F, Item 89)
Woodruff
key (Appendix F, Item 278)
Cap and plug set (Appendix C, Item 5)
Antiseize tape (Appendix C, Item 25)
REFERENCES (TM]
LO 9-2320-209-12-1
TM 9-2320-361-10
TM 9-2320-361-34P
EQUIPMENT CONDITION
●
Parking brake set (TM 9-2320-361-10).
●
Hydraulic tank drained (LO 9-2320-209-12-1).
CAUTION
a. Removal
When disconnecting hydraulic hoses, plug all openings to prevent
dirt from entering and causing internal parts damage. Prior to
installation, remove plugs from openings. Failure to do so may
result in damage to equipment.
NOTE
●
Tag all hoses for proper installation.
●
Have drainage container ready to catch oil.
1. Remove hose (10) and adapter (8) from tee (7).
2. Remove hose (5) and elbow (6) from tee (7).
3. Remove hose (13) and check valve (14) from tee (15).
4. Remove hose (11) and adapter (12) from tee (15).
5. Remove tees (7) and (15) from pump (16).
6. Loosen setscrew (3) on universal joint (2).
7. Remove four locknuts (l), screws (4), pump (16), and woodruff key (9) from bracket (17) and
universal joint (2). Discard locknuts (1) and woodruff key (9).
NOTE
Apply antiseize tape to male pipe threads before installation.
1. Install new woodruff
key (9) on pump (16).
2. Install pump (16) on universal joint (2).
3. Install pump (16) on bracket (17) with four screws (4) and new locknuts (1).
4. Tighten setscrew (3) on universal joint (2).
5. Install tees (7) and (15) on pump (16).
6. Install adapter (12) and hose (11) on tee (15).
7. Install check valve (14) and hose (13) on tee (15). Ensure arrow of valve (14) points away from tee (15).
8. Install elbow (6) and hose (5) on tee (7).
9. Install adapter (8) and hose (10) on tee (7).
b. Installtion
15-202
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