TM 1-1520-238-23
5-206
5.46.
MAIN ROTOR LOWER OIL SEAL AND OIL SEAL RETAINER REPLACEMENT (AVIM) – continued
5.46.5. Inspection
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.
5.46.6. Installation
a. Apply primer to exterior mating surface of re-
tainer (3). Use sealing compound primer
(item 146, App F).
(1) Prevent primer from getting on aircraft com-
ponents, interior surfaces of retainer (3), or
lower oil seal (6).
(2) Allow to dry for 30 MINUTES.
(3) Lightly scuff retainer (3) contact surface to
prep surface for bonding. Use pad (item 130,
App F).
b. Apply a thin uniform layer of sealing com-
pound to outer surface of retainer (3) immedi-
ately prior to installation. Use sealing
compound (item 167, App F).
(1) Allow sealing compound to cure undisturbed
for 2 HOURS at ambient temperatures of 70
to 77 F (21 to 25 C).
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