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 424 of 991
3-413. AIR
TM 9-2320-272-24-2
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP:
APPLICABLE MODELS
M929/A1/A2, M930/A1/A2, M931/A1/A2,
M932/A1/A2, M936/A1/A2
TOOLS
General mechanic’s tool kit (Appendix E, Item 1)
MATERIALS/PARTS
Nine locknuts (M929/A1/A2, M930/A1/A2,
M931/A1/A2, M932/A1/A2)
(Appendix D, Item 327)
Five locknuts (M936/A1/A2)
(Appendix D, Item 327)
Locknut (M936/A1/A2) (Appendix D, Item 328)
Lockwasher (Appendix D, Item 413)
Ten tiedown straps (M936/A1/A2
(Appendix D, Item 694)
Five tiedown straps (M929/A1/A2, M930/A1/A2,
M931/A1/A2, M932/A1/A2)
(Appendix D, Item 694)
Antiseize tape (Appendix C, Item 72)
REFERENCES (TM)
TM 9-2320-272-10
TM 9-2320-272-24P
• Parking brake set (TM 9-2320-272-10).
EQUIPMENT CONDITION
• Air reservoirs drained (TM 9-2320-272-10).
• Fifth wheel deck plate removed (M931/A1/A2,
M932/A1/A2 only) (para. 3-251).
• Battery ground cables disconnected (para. 3-126).
NOTE
Perform steps 1, 2, and 3 for M929/A1/A2, M930/A1/A2,
M931/A1/A2, and M932/A1/A2 vehicles.
1.
Remove tiedown strap (7) from tube (8) and ground wire (6). Discard tiedown strap (7).
2.
Remove tube (8) from elbow (9).
3.
Remove elbow (9) from tee (10) on wet reservoir (1).
4.
Disconnect wire (4) from thermostat connector (5) on air dryer (3).
NOTE
Perform steps 5, 6, and 7 for M936/A1/A2 vehicles.
5.
Remove tube (16) from wet reservoir adapter (18).
6.
Remove wet reservoir adapter (18) from wet reservoir (1).
7.
Remove three tiedown straps (15) from tube (16) and winch hydraulic line (17). Discard tiedown
straps (15).
8.
Remove locknut (14), clamp (13), ground wire (6), lockwasher (12), and screw (11) from right-side
frame rail (2). Discard locknut (14) and lockwasher (12).
3-1032
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