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 353 of 764
TM9-2320-361-34
15-11. DISCHARGE VALVE REPAIR (M49A2C AND M50A3)
THIS TASK COVERS:
a. Disassembly
c.
Assembly
b. Cleaning
and Inspection
INITIAL SETUP
APPLICABLE MODELS
REFERENCES (TM)
M49A2C
and
M50A3
TM 9-2320-361-20
TEST EQUIPMENT
Micrometer (Appendix B, Item 3)
TOOLS
TM 9-2320-361-34P
EQUIPMENT CONDITION
Discharge valve removed (TM 9-2320-361-20).
General mechanic’s tool kit
GENERAL SAFETY INSTRUCTIONS
Eye protection must be worn when removing
or installing valve housing cover and during load
test of internal spring.
Keep fire extinguisher nearby when using
drycleaning solvent.
(Appendix B, Item 1)
●
Torque wrench, 1/2-in. dr. (Appendix B, Item 8)
Spring tester (Appendix B, Item 38)
MATERIALS/PARTS
.
Two seals (Appendix F, Item 222)
Packing (Appendix F, Item 179)
Disc (Appendix F, Item 24)
Antiseize tape (Appendix C, Item 25)
Rag (Appendix C, Item 16)
Drycleaning solvent (Appendix C, Item 24)
a. Disassembly
WARNING
Discharge
valve internal spring is compressed in cap. Eye
protection
must
be
worn when removing screws and cap from valve
housing. Failure to do this may cause injury to personnel.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Remove strainer (2) from valve housing (7).
Remove four setscrews (15) from valve housing (7).
Remove cap (3) and spring (4) from stem (5).
Remove stem (5) with holder (1), disc (17), and retainer (16) from valve housing (7).
Remove retainer (16), disc (17), and holder (1) from stem (5). Discard disc (17).
Remove nut (13) from bore (8) in valve housing (7).
Remove seals (11) and (14) from bore (12) in nut (13). Discard seals (11) and (14).
Remove cam stem (10) from cam (6) and valve housing (7).
Remove cam (6) from valve housing (7).
Remove packing (9) from bore (8) in valve housing (7). Discard packing (9).
15-42
Back to Top
