TM-9-2320-272-24-1
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 1 OF 4
JUNE 1998
TM-9-2320-272-24-1 - Page 748 of 1015
TM 9-2320-272-24-1
3-142. TRANSMISSION OIL COOLER HOSES REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP:
APPLICABLE MODELS
All
TOOLS
General mechanic’s tool kit (Appendix E, Item 1)
MATERIALS/PARTS
Two O-rings (Appendix D, Item 430)
Two O-rings (Appendix D, Item 470)
Two lockwashers (Appendix D, Item 416)
Locknut (Appendix D, Item 306)
Two tiedown straps (Appendix D, Item 697)
Cap and plug set (Appendix C, Item 14)
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
l
Parking brake Bet (TM 9-2320-272-10).
l
Eight splash shield removed (TM 9-2320-272-10).
l
Transmission temperature transmitter unit
removed (para. 3-97).
CAUTION
l
Clean area around hoses before removal to prevent entry of dirt.
Damage may occur if dirt or dust enters the transmission.
l
Cover or plug all open hoses and connections immediately after
disconnect
to prevent contamination. Failure to do this may
result in transmission damage.
a. Removal
NOTE
l
Have drainage container ready to catch oil.
l
Access to hose connection in step 1 is gained through access
door in cab floor.
l
Tag hoses for installation.
1.
Disconnect supply hose (1) from adapter (6).
2.
Remove adapter (6) and adapter (5) from elbow (4).
3.
Remove elbow (4) and O-ring (3) from transmission (2). Discard O-ring (3).
NOTE
Perform step 4 for vehicles equipped with front winch.
4.
Remove locknut (7) and screw (11) from hanger strap (8), and move winch hydraulic hoses (9)
and (10) and two clamps (12) aside. Discard locknut (7).
3-384
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