TM 5-2590-512-13&P
SECTION V. UNIT MAINTENANCE PROCEDURE
4-27. Shaft Bearing Adjustment.
This task covers:
Initial Setup
Tools
Equipment Conditions:
General Mechanic's Tool Kit
Chain removed (para.4-20).
5180-00-177-7033
Materials and Parts:
None.
a. Adjustment.
NOTE
The bearing nut is properly adjusted
when a moderate force is required to
turn shaft by hand.
1.
Straighten tangs on lock washer (1) so that
nut (2) is unlocked.
2.
Tighten (or loosen), lock nut (2) to 115 to
165 Ib.ft. A moderate force should now be
felt when turning the output shaft (3) by
hand. Use a spanner wrench to adjust nut
(2).
3.
When shaft bearing adjustment is achieved,
bend one lock washer (1) tang into one slot
on the lock nut (2).
FOLLOW ON TASKS
Install chain (para.4-20).
END OF TASK.
4-28
