TM 55-1520-240-23-4
5-126.1
REPLACE SWASHPLATE LOWER SEAL (AVIM) (Continued)
5-126.1
11.
Coat lip of seal (11) and running surface (12) on
stationary ring (3) with grease (E190).
12.
Install rotating ring assembly (4) on stationary
ring (3). Use a mallet, if needed.
13.
Install upper retainer (2) and seal (1) on
stationary ring (3) (Task 5-125).
CAUTION
A bolt that is too long can damage
the stationary ring.
14.
Check that clearance between end of bolt (8)
and stationary ring (3) is at least 0.180 inch.
Check that clearance between seals (1 and 10)
is 0.005 to 0.070 inch.
NOTE
Upon reassembly if the 114R3428
seal becomes distorted because of
the torque applied to the fasteners
then it is permissible to use a phenolic
block and hammer to tap the seal
down to achieve the correct gap,
the 114R3428 seal may still have
distortion after achieving the gap
tolerance which is acceptable. The
swashplate is to be rotated to ensure
the 114R3428 and the 114R3427 are
not chafing.
15.
Lubricate bearing (13) through fitting (14). Use
grease (E190). Turn rotating ring (4) while
greasing until a fillet of grease appears between
grease seals (1 and 10).
FOLLOW-ON MAINTENANCE:
None
END OF TASK
Change 2
5-701
