TM 55-1520-240-23-1
1-40
INSTALL HOISTING UNIT
(Continued)
1-40
48.
Stow support tube (38) in bracket (39) and set
boom (37) on workstand, away from work area.
49.
Rotate upper tube (21) 180º.
NOTE
Mast and boom can support itself in
horizontal position on upper tube.
50.
Have helpers position mast and boom (47) over
upper tube (21).
Mast and boom will slip out if pivot
bolt is not fully seated in upper tube of
cabin upright. Injury to personnel and
damage to equipment can occur.
51.
Check that pivot bolt (52) is in slot (53) of upper
tube (21).
52
Remove strap (54) from mast and boom (47).
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