TM 1-1520-238-23
Change 6
1-269
1.83.
HOISTING – MAIN ROTOR BLADE REMOVAL
1.83.1. 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 blade
sling.
(1) Rotate crane handle (2) to up position to al-
low lateral movement of crane boom arm (3)
(para 5.3).
(2) Use two tag lines (4) to move boom arm (3).
(3) Turn boom arm (3) to aline hook (1) over sling
hoisting ring (5).
(4) Rotate handle (2) to down position to prevent
lateral movement of boom arm (3).
WARNING
Lifting eye bolt on main rotor blade
sling shall have no more than two vis-
ible threads above clamp handle prior
to lifting blade. Failure to do so could
result in hoisting injuries.
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 hoisting ring (5).
(1) Crank winch (6) to position hook (1) just
above sling support frame (7).
(2) Snap hook (1) into ring (5).
(3) Crank winch (6) to remove cable slack.
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