TM-9-2320-272-24-3
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 3 OF 4
JUNE 1998
TM-9-2320-272-24-3 - Page 232 of 799
TM 9-2320-272-24-3
4-79. TRANSMISSION LUBRICATION VALVE REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP:
APPLICABLE MODELS
All
TOOLS
General mechanic’s tool kit (Appendix E, Item 1)
Torque wrench (Appendix E, Item 146)
MATERIALS/PARTS
Locknut (Appendix D, Item 306)
O-ring (Appendix D, Item 470)
Gasket (Appendix D, Item 205)
Lubrication valve (Appendix D, Item 422)
Spring guide (Appendix D, Item 671)
Valve spring (Appendix D, Item 709)
Antiseize tape (Appendix C, Item 72)
REFERENCES (TM)
LO 9-2320-272-12
TM 9-2320-272-10
TM 9-2320-272-24P
EQUIPMENT CONDITION
Parking brake set (TM 9-2320-272-10).
SPECIAL ENVIRONMENTAL CONDITIONS
Work area must be clean and free from
and dirt.
blowing dust
CAUTION
Clean around lubrication valve area to prevent entry of dirt.
Damage to transmission may occur if dirt or dust enters
transmission.
a. Removal
1.
2.
3.
4.
5.
NOTE
l
Perform step 1 for vehicles equipped with front winch.
l
Perform step 2 for vehicles equipped with transmission power
takeoff (PTO).
l
Have container ready to catch oil.
Remove locknut (1), screw (6), two clamps (2), and hoses (3) and (5) from hanger strap (4). Discard
locknut (1).
Remove transmission-to-PTO supply hose (7) and adapter (8) from elbow (10).
Disconnect transmission oil filter-to-transmission supply hose (11) from elbow (10).
Remove elbow (10) and O-ring (12) from lubrication valve housing (13). Discard O-ring (12).
Remove two screws (9), lubrication valve housing (13), gasket (14), spring guide (15), lubrication
valve (16), and valve spring (17) from transmission (18). Discard gasket (14), spring guide (15),
lubrication valve (16), and valve spring (17).
4-496
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