TM-9-2320-279-34-2

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS DIRECT SUPPORT AND GENERAL SUPPORT, VOLUME 2 OF 3

TM-9-2320-279-34-2 - Page 558 of 632

TM 9-2320-279-34-2

Winch Maintenance Instructions (Cont)

16-11.1. HEAVY-DUTY WINCH REPAIR (M984E1) (CONT).

(28)

(29)

(30)

(31)

(32)

Move drum (12) fully to motor end of winch (32).

NOTE

Measurement for steps (29) and (30) must be made from same area on machined

surface.

Measure distance from machined surface of motor end support (3) and output shaft and record

measurement.

Measure distance from machined surface of motor end support (3) and bushing and record

measurement.

Subtract measurement recorded in step (30) from measurement recorded in step (29) and record

answer.

NOTE

Example of measurement of step (31) was 0.004 in. (0.10 mm). Use a 0.010 in.

(0.25 mm) shim. If measurement was 0.080 in. (2.05 mm) combine different size

shims to get 0.090 in. (2.3 mm). Always go to next highest thickness.

Round off answer in step

(31)

to next highest 0.010 in. (0.25 mm). This will be size of shims

required in step (33).

16-38.10