TM 55-1520-240-23-4
5-9
INSTALL ROTARY-WING HEAD
(Continued)
5-9
PREPARE HEAD
4.
Remove plate (5), washer (6), and locknut (7)
from handling adapter (T13) (8).
4.1.
Prepare lifting device (T30) (9) for installation
(Task 5-8, step 17).
5.
Install lifting device (T30) (9) on hub (10) as
follows:
a.
Position lifting device (9) on hub (10).
b.
Turn three arms (11) inward under top flange
(11.1) of hub (10). Make sure each arm
points to the center of device (9) within 20º.
Make sure each arm engages flange at least
1/4 inch.
c.
Install three pins (12).
Do not use wrench to tighten nuts.
Lifting device (T30) can be damaged.
d.
Hand-tighten three nuts (13).
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