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 256 of 991
3-338. TRACTOR
TM 9-2320-272-24-2
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP:
APPLICABLE MODELS
PERSONNEL REQUIRED
M932/A1/A2
TWO
TOOLS
General mechanic’s tool kit (Appendix E, Item 1)
REFERENCES (TM)
MATERIALS/PARTS
LO 9-2320-272-12
TM 9-2320-272-10
TM 9-2320-272-24P
Six locknuts (Appendix D, Item 294)
Four locknuts (Appendix D, Item 295)
Locknut (Appendix D, Item 274)
Two locknuts (Appendix D, Item 300)
Four lockwashers (Appendix D, Item 354)
O-ring (Appendix D, Item 455)
Cap and plug set (Appendix C, Item 14)
Antiseize tape (Appendix C, Item 72)
EQUIPMENT CONDITION
Parking brake set (TM 9-2320-272-10).
Spare tire removed (TM 9-2320-272-10).
Hydraulic oil reservoir drained (LO 9-2320-272-12).
GENERAL SAFETY INSTRUCTIONS
Store or dispose of used oil properly.
Accidental or intentional introduction of liquid contaminants into
the environment is in violation of state, federal, and military
regulations. Refer to Army POL (para. 1-8) for information
concerning storage, use, and disposal of these liquids. Failure to do
so may result in injury or death.
1.
2.
3.
4.
5.
6.
When disconnecting hydraulic lines and hoses, plug all openings to
prevent dirt from entering and causing damage to internal parts.
NOTE
Have drainage container ready to catch oil.
Tag all hydraulic lines for installation.
Remove two locknuts (4), screws (2), and brace (5) from muffler support (1) and reservoir
base (3). Discard locknuts (4).
While holding nut (20), disconnect oil supply line (19) from elbow (13).
Remove four screws (18), lockwashers (17), two split flanges (16), oil supply hose (19), and O-ring (15)
from hydraulic oil pump (14). Discard lockwashers (17) and O-ring (15).
Remove two locknuts (9), washers (8), and U-bolt (22) from nipple support (7). Discard
locknuts (9).
Remove elbow (13) and nipple (12) from reservoir (6).
Remove two locknuts (21), screws (10), washers (11), and nipple support (7) from reservoir base (3).
Discard locknuts (21).
3-864
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