TM 1-1520-238-23
1-297
1.96.
HOISTING – APU INSTALLATION – continued
NOTE
Use tag lines to control APU.
d. Tie two 20-foot lines to forward and aft ends of
APU (7).
e. Crank winch (6) up to relieve weight from APU
mounts.
f. Lift APU (7) from APU workstand after de-
mounting.
(1) Crank winch (6) to hoist APU (7) higher than
deck area access doors and fairing.
g. Position APU (7) over equipment bay.
(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).
Turn boom arm (4) to position APU over APU
mounts on equipment deck.
(3) Rotate handle (3) to down position to prevent
lateral movement of boom arm (4).
(4) Aline and hold positions of APU (7) forward
and aft ends.
(5) Crank winch (6) down and slowly lower APU
(7) to deck mounting surfaces.
(6) Mount APU (7) on equipment deck.
h. Crank winch (6) down to provide cable slack
below lug (1).
i. Retract hook (2).
(1) Unsnap hook (2) from lifting lug (1).
(2) Crank winch (6) up to position hook (2) about
6 inches below boom sheave (8).
END OF TASK
5
M04-2253-2
4
8
1
2
7
6
3
VIEW ROTATED
VIEW ROTATED
