TM 1-1520-238-23
Change 4
6-561
6.135.
TAIL ROTOR GEARBOX INPUT GEAR SEAL ASSEMBLY REMOVAL/INSTALLATION – continued
CAUTION
Do not allow seal halves to slide across
each other or damage to mating faces
may occur.
NOTE
If installing new seal assembly, go to step
b. If reinstalling seal go to step c.
b. Remove packaging materials from new seal
assembly (10).
(1) Remove seal half (12) from seal half (14) axially,
without sliding.
(2) Discard paper separator between seal halves
(12) and (14).
(3) Remove new packings (13) and (15).
c. Install seal assembly (10) in retainer (1).
(1) Lubricate new packings (13) and (15). Use
assembly fluid (item 30, App F).
(2) Install packings (13) and (15) on seal halves
(12) and (14).
CAUTION
Mating faces must be clean and free of
any contamination and/or packing lubri-
cant or damage to seal may result.
(3) Clean mating surfaces of seal halves (12)
and (14) (para 1.47).
NOTE
Some retainers have retaining rings.
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M04-559-11
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