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Change 4
1.87.
HOISTING – MAIN ROTOR GEARSHAFT REMOVAL
1.87.1. Removal
WARNING
Hoisted components can cause injury
or death if they fall. Keep away from
hoisted components and loaded
crane. If injury occurs, seek medical
aid.
a. Position crane hook (1) over installed gear-
shaft sling (2).
(1) Rotate crane handle (3) to up position to al-
low lateral movement of crane boom arm (4).
(2) Use two tag lines (5) to move crane boom
arm (4). Turn boom arm (4) to aline hook (1)
over sling hoisting ring (6).
(3) Rotate handle (3) to down position to prevent
lateral movement of boom arm (4).
CAUTION
To prevent crossing cable on spool and
damage to crank, tension must be ap-
plied when letting out or taking in cable.
b. Insert hook (1) into ring (6).
(1) Crank winch (7) to position hook (1) just
above ring (6).
(2) Snap hook (1) into ring (6).
(3) Crank winch (7) up to remove cable slack.
c. Lift main rotor gearshaft.
(1) Crank winch (7) to hoist gearshaft just clear of
main rotor head (8) and static mast (9).
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