TM 55-1520-240-23-4
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REPLACE FIXED DROOP STOP
(Continued)
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Forward and aft fixed droop stops are
not interchangeable. Helicopter can
be damaged if droop stop is installed
on wrong head.
NOTE
Replacement procedure is similar
for forward or aft fixed droop stops.
Differences are noted in steps.
Replacement of droop stop on forward
rotary-wing head is shown here.
1.
Center blade (1) over fuselage (2). Use tiedown
line (3). Tie down one forward and one aft blade.
2.
Remove lockwire from two bolts (4). Remove
bolts and washers (5). Hold droop stop (6).
3.
Have helpers lift and support blade (1).
4.
Remove droop stop (6) from pitch shaft (7).
5.
Have helpers lower blade (1).
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