TM 55-1520-240-23-4
5-2
PREPARE ROTARY-WING HEADS FOR SHIPMENT OR STORAGE
(Continued)
5-2
Head is heavy and can injure
personnel if it drops. Head must
be supported by hoist and moved
carefully to prevent injury to personnel.
13.
Lift head (1). Use mobile hoist device (19). Clean
splines (20). Use cloth (E120) damp with solvent
(E162). Wear gloves (E186).
14.
Coat splines (20) with corrosion-preventive
compound (E153).
15.
Remove 24 bolts (21), washers (22), lockwashers
(23), and nuts (24). Remove cover (25).
16.
Check that container (26) is clean and dry.
Remove any dirt or moisture.
17.
Remove nut (27), washer (28), clamp plate (29),
and upper hub cushion (30).
18.
Remove six nuts (31) and washers (32) from
three clamp angles (33). Remove angles and
upper lug cushions (34).
19.
Check that lower hub cushion (35) and three lug
cushions (36) are in place.
5-11