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 568 of 799
4-174. FRONT
TM 9-2320-272-24-3
THIS TASK COVERS:
a. Removal
b. Disassembly
c. Cleaning, Inspection, and Repair
d. Assembly
e. Installation
INITIAL SETUP:
APPLICABLE MODELS
REFERENCES (TM)
M936/A1/A2
LO 9-23220-272-12
TOOLS
General mechanic’s tool kit (Appendix E, Item 1)
Arbor press
TM 9-2320-272-10
TM 9-2320-272-24P
EQUIPMENT CONDITION
Parking brake set (TM 9-2320-272-10).
Winch cable removed (para. 3-325).
MATERIALS/PARTS
Bushing (Appendix D, Item 24)
Cotter pin (Appendix D, Item 49)
Felt seal (Appendix D, Item 110)
Two felt washers (Appendix D, Item 114)
Five lockwashers (Appendix D, Item 377)
Two felt washers (Appendix D, Item 115)
‘Iwo locknuts (Appendix D, Item 314)
Eight lockwashers (Appendix D, Item 354)
Felt washer (Appendix D, Item 116)
GAA grease (Appendix C, Item 28)
Lubricating oil (Appendix C, Item 50)
NOTE
Front and rear wench level wind are maintained the same way.
This procedure covers front level wind.
1.
Remove four screws (8) and lockwashers (9) from winch track (3). Discard lockwashers (9).
2.
Remove winch track (3) and level wind (4) from winch (10).
NOTE
Rectangular holes are provided for removing screws. Slide the
level wind backward and forward until screws are visible.
1.
Remove four screws (1), lockwashers (2), and level wind (4) from winch track (3). Discard
lockwashers (2).
2.
Remove two nuts (14), drum lock latch (13), nut (12), spring (11), and poppet (7) from track (3).
3.
Remove two outer nuts (6), screws (5), and inner nuts (6) from track (3).
NOTE
Both sets of trolley wheels are removed the same.
4.
Remove grease fitting (24) from axle (16).
5.
Remove screw (23) and lockwasher (22) from axle (16). Discard lockwasher (22).
6.
Remove three washers (18), two felt washers (19), wheel (21), and thrust washer (17) from axle (16).
Discard felt washers (19).
4-832
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