Winch Maintenance Instructions (Cont)
16-11.1. HEAVY-DUTY WINCH REPAIR (M984E1) (CONT).
Move drum (12) fully to motor end of winch (32).
Measurement for steps (29) and (30) must be made from same area on machined
Measure distance from machined surface of motor end support (3) and output shaft and record
Measure distance from machined surface of motor end support (3) and bushing and record
Subtract measurement recorded in step (30) from measurement recorded in step (29) and record
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).