TM 55-1520-240-23-1
1-40
INSTALL HOISTING UNIT
(Continued)
1-40
53.
Unstow trolley and hook (48). Attach guideline
(49) to trolley and hook.
54.
Remove quick-release pin (57) from tension rod
(58) and mast (55).
55.
Remove handle (59) from stowed position. Install
handle on hook winch (60). Remove handle (61)
from stowed position. Install handles on trolley
winch (62).
Cable will tangle if slack is not taken
up when mast and boom are raised.
NOTE
Up and down directions are shown
on winches.
56.
Have two helpers raise mast (55). At the same
time, have one helper pull down on rod (58) to
raise boom (56).
57.
Have helper pull guideline (49) to take slack from
cable (63).
58.
Raise mast (55) and boom (56) high enough to
align hole in tension rod (58) with bottom hole
in mast (55).
59.
Install pin (57) into tension rod (58) and mast
(55).
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