TM 1-1520-238-23
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1.100.
CRANE ADJUSTMENT – MAIN ROTOR BLADE HOISTING
1.100.1. Hoisting
a. Move sheave (1) to position 5 on boom (2).
(1) Move crane handle (3) up.
NOTE
Use tag lines to move boom.
(2) Turn boom (2) forward until it is about 1 foot
out from side of fuselage.
(3) Move handle (3) down.
(4) Remove shackle (4) from eye (5).
(5) Lift boom (2) until quick-release pins (6) and
(7) turn freely.
(6) Support boom (2). Remove pins (6) and (7)
from yoke (8) and boom (2).
(7) Lower boom (2) to ground.
(8) Remove quick-release pin (9) from sheave
(1) and boom (2).
(9) Slide sheave (1) on boom (2) to aline sheave
hole (10) with boom position hole 5 (11).
(10) Install pin (9) through sheave (1) and boom
(2).
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M04-2233-1
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