TM 55-1520-240-23-5
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INSTALL COMBINING TRANSMISSION FORWARD OUTPUT SHAFT OIL
SEAL
(Continued)
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Wear Kevlar gloves when handling
hot retainer. Hot retainer can cause
burns.
Do not heat retainer over 250ºF
(120ºC). Metal can be damaged.
2.
Heat retainer (1) to 230º to 250ºF (110º to
120ºC). Use gun-type heater. Check temperature
with pyrometer.
3.
Install packing (2) in retainer (1).
4.
Install seal (3) in retainer (1)’ flat side up. Use
aluminum tube.
5.
Install retaining ring (4).
Oil (E254) is toxic. It can irritate skin
and cause burns. Avoid inhaling. Use
only with adequate ventilation. Avoid
contact with skin, eyes, or clothing.
In case of contact, immediately flush
skin or eyes for at least 15 minutes.
Get medical attention for eyes.
6.
Coat packing (5) with oil (E254). Install packing
on retainer (1).
7.
Apply light coat of grease (E190) to lip of seal
(3). Apply light coat of oil (E254) to surface of
shaft (6). Install retainer (1) on transmission (7).
8.
Install four washers (8) and nuts (9) on studs
(10). Torque nuts to 60 inch-pounds.
INSPECT
FOLLOW-ON MAINTENANCE:
Install combining transmission forward adapter
assembly (Task 6-8).
Install No. 7 drive shaft (Task 6-19).
Close aft pylon lower fairing (Task 2-2).
Perform ground run (TM 55-1520-240-10).
END OF TASK
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