TM 55-1520-240-23-5
6-62
INSTALL AFT ROTOR SHAFT THROUGH TOP OF PYLON
(Continued)
6-62
1.
Remove rotor shaft (1) from adapter (2) as
follows:
a.
Install hoisting eye (T32) (3) in top of shaft (1).
NOTE
AFT SHAFT hole must be used
for proper shaft alignment during
installation.
b.
Connect hoist hook (4) to AFT SHAFT hole
(5) of hoisting eye (T32) (3). Raise hoist to
take up slack. Do not apply tension.
c.
Attach rope guide line (6) to shaft (1), above
bearing support (7).
d.
Remove two nuts (8) and bolts (9). Release
clamp (10). Raise hoist to lift shaft (1) out of
adapter (2).
Rotor shaft is heavy and can
injure personnel if it drops. Shaft
must be supported by hoist and
moved carefully to prevent injury to
personnel.
2.
Position shaft (1) above center of pylon (11).
3.
Remove tape and barrier material from top of aft
transmission (12). Remove ten nuts (13) and
washers (14) from seal retainer (15). Remove
seal retainer.
4.
Check seal retainer (15), seal (16), and packing
(17) for damage. There shall be no damage.
5.
If applied, remove tape and barrier material from
bottom of shaft (1).
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 seal (16) and mating surface of shaft (1)
with oil (E254).
6-240
