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 602 of 799

4-181. REAR
TM 9-2320-272-24-3
6.
7.
8.
9.
10.
11.
12.
13.
14.
Remove three screws (3) and lockwashers (2) from rear winch (1) and channel (5). Discard
lockwashers (2).
Remove nut (7), lockwasher (6), screw (4), and front channel (5) from rear winch (1). Discard
lockwasher (6).
NOTE
Assistant will help with step 8.
Remove two screws (16), six screws (17), lockwashers (18), end cover (19), and gasket (14) from
gearcase (11). Discard lockwashers (18) and gasket (14).
Remove bushing (15) from end cover (19). Discard bushing (15) if inner diameter is more than
3.150 in. (80.01 mm).
Remove thrust washer (13) from drum shaft (12).
Remove four screws (8), lockwashers (9). input shaft bearing cap (21), and gasket (10) from
gearcase (11). Discard lockwashers (9) and gasket (10).
Remove seal (20) from bearing cap (21). Discard seal (20).
NOTE
Support drum with overhead hoist.
Remove end frame (26) from drum shaft (12) and gearcase (11).
Remove drum (25), seal (24), thrust washer (23), two woodruff keys (22), and grease fitting (27) from
shaft (12). Discard seal (24) and two woodruff keys (22).
4-866


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