TM 55-1520-240-23-5
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INSTALL AFT ROTOR SHAFT THROUGH CABIN
(Continued)
6-63
9.
Turn bearing support (9) so that chip detector
(15) and union (16) point forward. Align four
mounting holes (17) in support (9) with holes
(18) in structure (19).
10.
Lower shaft (1) until bearing support (9) rests
on structure (19).
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.
11.
Coat thread of four mounting bolts (20) with oil
(E254). Install countersunk washer (21) on each
bolt, with countersink against bolt head.
12.
Install four bolts (20), from bottom, through
structure (19) and bearing support (9). Install
four washers (22) and nuts (23). When nuts are
installed at least three turns, release tension on
hook (4).
13.
Torque four nuts (23) to 375 foot-pounds Check
each bolt (20). Bolts shall extend 0.08 to 0.20
inch through nuts (23). Use washers (22) of
different thickness as needed.
14.
Connect drain hose (24) to union (16). Connect
connector (25) to chip detector (15).
15.
Install access panel (26). Tighten four turnlock
fasteners (27). Install access panel (27.1).
Tighten four turnlock fasteners (27.2).
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