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 202 of 799
TM 9-2320-272-24-3
4-71. TRANSMISSION REPLACEMENT (IN-VEHICLE)
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP:
APPLICABLE MODELS
All
SPECIAL TOOLS
Engine barring tool (Appendix E, Item 8)
TOOLS
General mechanic’s tool kit (Appendix E, Item 1)
Transmission jack (Appendix E, Item 147)
Torque wrench (Appendix E, Item 144)
MATERIALS/PARTS
Gasket (Appendix D, Item 202)
Thirteen lockwashers (Appendix D, Item 354)
Eight locknuts (Appendix D, Item 291)
Cotter pin (Appendix D, Item 66)
Two lockwashers (Appendix D, Item 377)
Gasket (Appendix D, Item 203)
Cap and plug set (Appendix C, Item 14)
PERSONNEL REQUIRED
TWO
REFERENCES (TM)
LO 9-2320-272-12
TM 9-2320-272-10
TM 9-2320-272-24P
EQUIPMENT CONDITION
l
Transmission oil drained (para. 3-133).
l
Transmission-to-transfer case propeller shaft
removed (para. 3-148).
l
Transmission oil dipstick removed (para. 3-134).
l
Transmission breather removed (para. 3-136).
l
Transmission modulator removed (para. 3-145).
l
Transmission fifth gear lock-in solenoid valve and
bracket removed (para. 4-80).
l
Transmission neutral start switch removed
(para. 3-98).
l
Winch control valve removed (if so equipped)
(para. 4-179 or para. 4-178).
l
Transmission power takeoff removed (if so
equipped) (para. 4-211).
GENERAL SAFETY INSTRUCTIONS
l
Torque converter must be removed with
transmission.
l
Keep transmission tilted slightly downward.
a. Removal
CAUTION
Plug all openings to prevent dirt from entering transmission.
Damage may occur if dirt or dust enters transmission.
1.
Disconnect wire (1) from transmission oil temperature transmitter (8).
2.
Remove screw (2), lockwasher (3), and clamp (4) with wire (7) from transmission flange (5). Discard
lockwasher (3).
3.
Tie wires (1) and (7) clear of transmission (6).
NOTE
Perform steps 3 and 4 for vehicles equipped with transmission
Power Takeoff (PTO).
4.
Remove two nuts (10), screws (13), retainer strap (14), spacer plate (12), and PTO cable (15) from
bracket (11).
5.
Remove cotter pin (9), washer (18), and pin (16) on PTO cable (15) from select lever (17) . Discard
cotter pin (9).
4-466
Back to Top
