TM 55-1520-240-23-4
5-25
INSTALL PITCH HOUSING SEALS
(Continued)
5-25
INSTALL INBOARD SEAL
8.
Position inboard seal (6) on drift (E56) (7) with
seal lips (8) toward drift.
9.
Apply adhesive (E63.1) or sealant (E340.3) all
around seal seat (9). Apply thin coat of adhesive
(E63.1) or sealant (E340.3) around outside of
inboard seal (6). Wear gloves (E184.1).
10.
Press inboard seal (6) into housing (1). Tap
lightly with rawhide mallet if necessary. Remove
drift (7).
11.
Apply bead of adhesive (E63.1) or sealant
(E340.3) between inboard seal (6) and housing
(1). Wear gloves (E184.1). Allow adhesive to
cure for 6 hours.
Do not allow excess grease to remain
on seals. Grease can plug oil holes
and contaminate bearing oil.
12.
Apply grease (E190) to seal lips (10). Wipe off
excess grease.
INSPECT
FOLLOW-ON MAINTENANCE:
Install pitch-varying housing (Task 5-23).
END OF TASK
5-136
