TM 1-1520-238-23
5-59
5.10.
MAIN ROTOR BLADE DROOP ANGLE MEASUREMENT continued
WARNING
Release tension on maintenance
crane cable before removing blade
sling. If tension is not released, seri-
ous injury can occur, seek medical
aid.
CAUTION
Do not damage main rotor blade trailing
edge tabs during removal of main rotor
blade sling.
o. Remove sling (10).
(1) Hold torque handle (21) and move clamp
handle (22) counterclockwise to release
bearing.
(2) Rotate two knobs (11) clockwise to open jaws
(12).
(3) Pull two spring clips (17) and detach two
straps (16) from bolts (18).
(4) Use crane to lower sling (10) from blade (14)
to ground.
(5) Remove hook (19) from ring (20).
p. Check blade (para 5.2).
q. Remove maintenance crane from aircraft
(para 1.105).
r. Remove rig pins (5) and (7).
s. Inspect (QA).
t. Secure access doors T250L, T250R, T290L,
T290R, and L325 (para 2.2).
END OF TASK
M04-209-13
20
19
14
16
11
10
12
18
22
LOCK
UNLOCK
16
CLOSE
OPEN
17
21
5
7
M04-209-8