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).

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