TM 1-1520-238-23
6-186
Change 4
6.37.
ENGINE NOSE GEARBOX INPUT SEAL ASSEMBLY REMOVAL/INSTALLATION – continued
(6) Apply a film of assembly fluid to new packing
(12). Ensure packing (12) is completely cov-
ered. Use assembly fluid (item 30, App F).
(7) Install packing (12) in magnet groove (15).
(a) Slightly stretch packing (12) over magnet
(11) to allow packing to contact magnet
groove (15). Failure to stretch packing
(12) will cause seal to fail.
(b) Position packing (12) against shoulder of
groove (16), opposite direction of installa-
tion.
CAUTION
Apply even pressure on magnet during
installation to prevent cocking or twist-
ing of packing.
Do not apply any direct physical shock
to seal assembly or damage to seal
assembly may occur.
(8) Ensuring magnet (11) part number is facing
front side of retainer (1) and highly polished
surface is facing aft side of retainer (1), posi-
tion magnet (11) in retainer (1).
(9) Cover magnet (11) with lint-free cloth and
hand press magnet (11) with packing (12) in
retainer (1) far enough to allow installation of
retaining ring (7). Use cloth (item 52, App F).
(10) Install retaining ring (7) in retainer (1) against
magnet (11).
NOTE
If installing new seal assembly, go to step
(11). If reinstalling seal assembly, go to
step (12).
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M04-2765-4
15
12
16
12
11
11
16
12
M04-2765-5
1
11
7
