TM 55-1520-240-23-4
5-87.2
INSPECT SHOCK ABSORBER WITH ELASTOMERIC BEARINGS
(Continued)
5-87.2
NOTE
Evidence of small or dust-like
elastomeric particles breaking away
from the surfaces of the bearing are
not cause for rejection.
14.
If bearing fails inspection, replace shock absorber
(Task 5-93). Go to step 16.
15.
If bearing is acceptable, reconnect shock
absorber to bracket (16) (Task 5-93).
16.
If the inboard bearing fails inspection, check bolt
(15) for wear. Bolt shank (22) shall be smooth
with no radial wear marks.
17.
Install bolt (15) in bracket (16). Position dial
indicator plunger (23) against bolt shank (22).
Align with bolt axis and use plunger with flat end
(24).
18.
Check bolt (15) movement. Attempt to move bolt
toward, then away from plunger (23). Movement
shall not be more than 0.0015 inch.
19.
Replace bolt if movement is more than 0.0015
inch.
20.
Replace rotor head if after replacing bolt
movement is more than 0.0015 inch (Task 5-9).
21.
Replace rotor head if bushing is loose (Task 5-9).
FOLLOW-ON MAINTENANCE:
Remove tiedown lines from blades (Task 1-26).
Close work platforms (Task 2-2).
END OF TASK
5-531
