TM-9-2320-272-24-2
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 2 OF 4
JUNE 1998
TM-9-2320-272-24-2 - Page 749 of 991
4-5. POWER
TM 9-2320-272-24-2
THIS TASK COVERS:
a. Preliminary Disconnections
b. Removal
c. Installation
INITIAL SETUP:
APPLICABLE MODELS
REFERENCES (TM)
M939A2
LO 9-2320-272-12
TOOLS
General mechanic’s tool kit (Appendix E, Item 1)
Torque wrench (Appendix E, Item 144)
Lifting device
Chains
MATERIALS/PARTS
Two Iockpins (Appendix D, Item 271)
Tiedown strap (Appendix D, Item 692)
Cotter pin (Appendix D, Item 62)
Lockwasher (Appendix D, Item 416)
Lockwasher (Appendix D, Item 401)
Lockwasher (Appendix D, Item 403)
Two lockwashers (Appendix D, Item 364)
Four lockwashers (Appendix D, Item 416)
Two locknuts (Appendix D, Item 276)
Four locknuts (Appendix D, Item 306)
Tiedown strap (Appendix D, Item 696)
Lockwasher (Appendix D, Item 379)
Gasket sealant (Appendix C, Item 30)
Antiseize tape (Appendix C, Item 72)
Twine (Appendix C, Item 77)
Cap and plug set (Appendix C, Item 14)
PERSONNEL REQUIRED
Two
TM 9-2320-272-10
TM 9-2320-272-24P
EQUIPMENT CONDITION
• Parking brake set (TM 9-2320-272-10).
• Air reservoirs drained (TM 9-2320-272-10).
• Battery ground cables disconnected (para. 3-126).
• Transmission oil drained (para. 3-133).
• Engine oil drained (para. 3-5).
• Power steering system drained (LO 9-2320-272-12).
• Hood removed (para. 3-275).
• Upper radiator hose and bracket removed
(para. 3-58).
• Transmission PTO-to-hydraulic pump propeller
shaft removed, if equipped (para. 3-334).
• Transmission-to-transfer case propeller shaft
removed (para. 3-148).
GENERAL SAFETY INSTRUCTIONS
• All personnel must stand clear during lifting
operations.
• Do not put hands between frame and engine
supports during lifting operations.
• Do not detach chain from engine until engine is
supported.
• Lifting device must have a capacity greater than the
combined weight of the engine and transmission.
• Engine must be securely mounted on repair stand.
CAUTION
• Cap or plug all openings after disconnecting lines and hoses to
prevent contamination. Failure to do so may cause damage to
equipment,
• Tie all loose connections away from engine. Failure to do so may
cause damage to equipment.
NOTE
• If a special purpose kit is installed on vehicle, refer to chapter 4,
section XV, and make necessary disconnections and connections.
• Tag all loose leads, lines, and tubes for installation.
4-67
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