TM 55-1520-240-23-1
1-40
INSTALL HOISTING UNIT
(Continued)
1-40
38.
Lower hook (44). Set mast and boom (47) on
fuselage (2).
39.
Remove guide lines (49). Remove hook (44).
40.
Raise hook (44) and place in stowed position
(51) on jib boom (37).
41.
Remove pin (40), support tube (38) and strap
(42) from tube (43) on upper tube (21).
42.
Position strap (42) over tube (38).
43.
Install pin (40).
44.
Rest support tube (38) on tube (21).
45.
Have helpers support jib boom (37).
46.
Remove pin (41) from jib boom (37) and upper
tube (21).
47.
Raise and remove boom (37) from tube (21).
1-145