TM 1-1520-238-23
1-293
1.94.
HOISTING – MAIN ROTOR SWASHPLATE INSTALLATION – continued
NOTE
Use tag line to control swashplate.
c. Attach tag line to swashplate (8).
(1) Tie 20-foot line to one open web of swash-
plate (8).
d. Lift swashplate (8) from maintenance trailer
(9).
(1) Crank winch (7) to hoist swashplate (8) high-
er than top of static mast (10).
e. Position swashplate (8) over mast (10).
(1) Rotate crane handle (3) to up position to al-
low lateral movement of boom arm (4).
(2) Use two tag lines (5) to move boom arm (4).
(3) Turn boom arm (4) to aline swashplate (8)
over mast (10).
(4) Rotate handle (3) to down position to prevent
lateral movement of boom arm (4).
f. Lower swashplate (8) onto mast (10).
(1) Crank winch (7) down and carefully lower
swashplate (8) to mast (10).
g. Connect control links to swashplate (8) (para
11.56).
h. Release tension on lifting cable.
(1) Crank winch (7) to position hook (1) just
above top of swashplate (10).
i. Remove hook (1) from lifting eye (6).
j. Retract hook (1).
(1) Crank winch (7) to position hook (1) about 6
inches below boom sheave (11).
END OF TASK
M04-2251-3
9
8
8
10
7
6
10
1
2
8
M04-2251-2
5
4
10
11
8
7
3
