TM 1-1520-238-23
1-287
1.91.
HOISTING - MAIN TRANSMISSION REMOVAL – continued
NOTE
Use two tag lines to control transmission.
c. Tie two10-foot lines to left and right sides of
main transmission (8).
d. Lift transmission (8) from platform (9).
(1) Crank winch (7) to hoist transmission above
platform (9).
e. Position transmission (8) over maintenance
trailer (10).
(1) Rotate handle (3) to up position to allow later-
al movement of boom arm (4).
(2) Use two tag lines (5) to move boom arm (4).
(3) Turn boom arm (4) to aline transmission (8)
over bed of trailer (10).
(4) Rotate handle (3) to down position to prevent
lateral movement of boom arm (4).
f. Lower transmission (8) to maintenance trailer
(10).
(1) Crank winch (7) to slowly lower transmission
(8) to trailer (10).
g. Secure transmission (8) to trailer (10).
(1) Crank winch (7) to provide cable slack below
shackle (6).
h. Retract hook (1).
(1) Unsnap hook (1) from shackle (6).
(2) Crank winch (7) to position hook (1) about 6
inches below boom sheave (11).
END OF TASK
M04-2248-2
5
10
7
3
4
11
8
8
6
1
9
