TM 5-2590-512-13&P
SECTION V. UNIT MAINTENANCE PROCEDURE
4-26. Output Shaft Replacement.
This task covers:
a. Removal
b. Installation
Initial Setup
Tools:
Equipment Conditions:
General Mechanic's Tool Kit
Chain Removed (para 4-20).
5180-00-177-7033.
Materials and Parts:
None.
a. Removal.
1.
Straighten tangs on lock washer (1).
2.
Remove lock nut (2) and lock washer (1).
Use spanner wrench.
3.
Carefully slide off driven sprocket (3) along
with shaft key (4) from output shaft (5).
NOTE
Use care in removing sprocket to
avoid damage to shaft threads.
4.
Slide output shaft (5) out thru bottom of
Auger Drive Unit housing (7).
5.
Remove spacer (6) positioned between
sprocket (3) and bearing (9) and nestled
inside of shaft seal (8).
b. Installation.
1.
Carefully slide output shaft (5) into opening
in bottom of Auger Drive Unit housing (7).
Check that it rotates, without binding, on
hub bearings (9,10).
2.
Place spacer (6) on output shaft (5) so it fits
snugly inside of upper shaft seal (8) and on
top race of bearing (9).
3.
Install shaft key (4) in slot in output shaft (5)
and slide driven sprocket (3) (with hub side
up) onto shaft (5). Use care to avoid
damaging shaft threads.
4.
Install lock washer (1) and lock nut
(2).Finger tighten lock nut (2). Do not bend
tangs on lock washer (1) at this time.
FOLLOW ON TASKS:
Shaft Bearing Adjustment (see para 4-27)
Install Chain (see para. 4-20).
END OF TASK.
NOTE
Items 8, 9, and 10 are in place inside hub.
4-27
