TM 55-1520-240-23-1
1-41
REMOVE HOISTING UNIT
(Continued)
1-41
30.
Rotate boom to original position over azimuth
control (19) by turning control handle (18).
31.
Place hook (29) in stowed position on boom (20).
32.
Remove pin (23), support tube (21) and strap
(26) from tube (27) in upper tube (8).
33.
Install pin (23) in holes in strap (26) and tube
(21). Position support tube (21) on top of upper
tube (8).
34.
Have helpers support jib boom (20).
35.
Remove quick-release pin (24) from boom (20)
and upper tube (8).
36.
Remove boom (20) and support tube (21) from
upper tube (8). Place boom (20) on workstand.
37.
Stow support tube (21) in bracket (22).
38.
Stow pin (24) in hole (28) in boom (20).
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