PLACE ROTARY-WING HEAD IN SERVICE
Procedure is same for forward and aft
Install lifting device (T30) (1) on rotor head (2)
Remove three pins (3). Turn support arms
Position lifting device (1) on rotor head (2).
Turn three arms (4) inward under top flange
(4.1) of head (2). Make sure each arm points
to the center of device (1) within 20º. Make
sure each arm engages flange at least 1/4
Install three pins (3).
Do not use wrench to tighten nuts.
Lifting device (T30) can be damaged.
Hand-tighten three nuts (4.2).
Rotor head is heavy and can injure
personnel if it drops. Rotor head must
be supported by hoist and moved
carefully to prevent injury.
Attach work hoist (5) to lifting device (T30) (1).
Lift rotor head (2) and clean splines (6). Use
cloth (E120) damp with solvent (E162). Wear
Move rotor head slowly and carefully
to prevent damage caused by rotor
head hitting handling adapter.
Position rotor head assembly (2) on handling
adapter (T13) (7). Have helper guide rotor head.
Check that rotor head (2) is level.
Remove lifting device (T30) (1) as follows:
Remove three pins (3) and turn arms (4)
Remove lifting device (T30) (1).