TM 1-1520-238-23
5-208.2
Change 3
5.46A.
MAIN ROTOR LOWER OIL SEAL RETAINER RESEATING – continued
a. Unseat main rotor lower oil seal retainer (1)
from hub (2).
(1) Remove four screw plugs (3).
(2) Install four setscrews (4) and tighten until
they bottom against lower bearing (5). Use
screws.
(3) Continue tightening each setscrew 1/2 turn
until retainer (1) is free of hub (2).
(4) Remove four setscrews (4) from retainer (1).
5.46A.4. Cleaning
a. Remove sealing compound from lower oil
seal retainer and hub. Use depressor (item 70,
App F), methyl ethyl ketone (item 124, App F),
and cloth (item 52, App F) (para 1.47).
b. Remove grease from lower oil seal retainer
and hub liner. Use depressor (item 70, App F),
methyl ethyl ketone (item 124, App F), and cloth
(item 52, App F) (para 1.47).
c. Lightly scuff retainer (1) contact surface to
prep surface for bonding. Use pad (item 130,
App F).
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M04-5164-2
3
1
2
M04-5164-3
1
2
4
5
M04-5164-4
1
UPPER FLIGHT CONTROL COMPONENTS
REMOVED FOR CLARITY
