TM 1-1520-238-23
1-314
1.103.
CRANE ADJUSTMENT – MAIN TRANSMISSION HOISTING
1.103.1. Crane Adjustment
a. Move sheave (1) to position 1 on boom (2).
(1) Move crane handle (3) up.
NOTE
Use tag lines to move boom.
(2) Turn boom (2) forward until boom is about 1
foot from side of fuselage.
(3) Move handle (3) down.
(4) Remove quick-release pin (4) from sheave
(1) and boom (2).
(5) Slide sheave (1) on boom (2). Aline sheave
hole (5) with boom position hole 1 (6).
(6) Install pin (4) through sheave (1) and boom
(2).
b. Adjust boom (2) to yoke (7) position B.
(1) Move handle (3) up.
(2) Turn boom (2) aft until it is 90 degrees from
side of fuselage.
(3) Move handle (3) down.
(4) Crank boom hoist drum (8) until pin (9) turns
freely.
(5) Remove pin (9) from yoke (7) and boom (2).
(6) Crank winch (10). Aline boom hole X (11) with
yoke position hole B (12).
(7) Install pin (9) through yoke (7) and boom (2).
(8) Crank boom hoist drum (8) to loosen boom
line.
END OF TASK
M04-2236-1
1
2
DOWN
3
VIEW
ROTATED
6
4
1
2
5
M04-2236-2
VIEW ROTATED
2
7
M04-2236-3
DOWN
3
VIEW
ROTATED
M04-2236-4
8
2
10
9
7
9
12
11
