TM 1-1520-238-23
Change 3
5-208.3
5.46A.
MAIN ROTOR LOWER OIL SEAL RETAINER RESEATING – continued
5.46A.5. Inspection
NOTE
If the seal or seal retainer requires re-
placement, the main rotor head must be
removed (para 5.46).
a. Check lower oil seal retainer for nicks,
scratches, and gouges.
(1) Damage not to exceed depth of 0.032 INCH
maximum.
b. Check lower oil seal retainer for corrosion
(para 1.49).
c. Check retainer for distortion.
(1) Lower surface to be flat within 0.030 INCH.
5.46A.6. Reseating
a. Apply primer to exterior mating surface of re-
tainer (1). Use sealing compound primer
(item 146, App F).
(1) Prevent primer from getting on aircraft com-
ponents, interior surfaces of retainer (1), or
lower oil seal (6).
(2) Allow to dry for 30 MINUTES.
(3) Lightly scuff retainer (1) contact surface to
prep surface for bonding. Use pad (item 130,
App F).
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M04-5164-5
6
1
UPPER FLIGHT CONTROL COMPONENTS
REMOVED FOR CLARITY
