TM 55-1520-240-23-5
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INSTALL AFT TRANSMISSION ROTOR SHAFT SEAL
(Continued)
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11.
Remove tape and barrier material from aft
transmission (7). Install aft transmission (Task
6-97).
NOTE
Reach the seal retainer through open
aft transmission access doors on
each side of the aft pylon.
12.
Align tab (8) on seal retainer (1) with slot (9) in
outer race of bearing (10) in aft transmission (7).
Install seal retainer on 10 studs (11).
13.
Apply a light coat of oil (E253, E254, or E254.1)
to the thread of studs (11). Install 10 washers
(11) and nuts (12). Torque the nuts to 70 to 85
inch-pounds (wet).
INSPECT
FOLLOW-ON MAINTENANCE:
Perform a ground run (TM 55-1520-240-10).
Install transmission access doors on aft pylon (both
sides) (Task 2-2).
Install aft transmission drip tray (Task 2-3).
Close baffles under aft transmission (Task 2-2).
Close cargo ramp (Task 2-2).
END OF TASK
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