TM 1-1520-238-23
Change 2
6-189
6.38.
ENGINE NOSE GEARBOX OUTPUT SEAL ASSEMBLY REMOVAL/INSTALLATION – continued
(5) Install two NAS bolts (6) on retainer (1). Use
bolt NAS 564-33.
CAUTION
NAS bolts must be tightened evenly to
avoid damage to gearbox.
(6) Tighten two NAS bolts (6) evenly until retainer
(1) separates from gearbox (2).
(7) Remove retainer (1) from gearbox (2).
(8) Remove two NAS bolts (6) from retainer (1).
(9) Remove and discard packing (7) from retain-
er (1).
(10) Remove and discard packing (8) from oil port
recess (9).
CAUTION
Do not apply any direct physical shock to
seal assembly or damage to seal assem-
bly may occur.
NOTE
The seal assembly is a two-piece mag-
netic seal that should be kept as a
matched set. Ensure both halves of seal
assembly are removed.
b. Remove output seal assembly (10) from retain-
er (1).
(1) Remove seal assembly (10) by hand.
(2) Remove and discard packings (11) and (12).
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