INSPECT ROTOR HEAD CENTRIFUGAL DROOP STOP BOLTS AND LUGS
There are three centrifugal droop
stops. Procedure is same for removal
of any centrifugal droop stop.
One rotor blade is connected to each
centrifugal droop stop. Blade for
centrifugal droop stop to be inspected
must be positioned over fuselage.
Position blade (1) over fuselage (2). Use tiedown
line (3). Tie down one forward and one aft blade.
Have helpers lift and support blade (1) at tip.
Remove cotter pin (4), nut (5), and two washers
(6) from bolt (7) through hub oil tank lugs (8).
Support spring load before removing
bolt. Sudden release of spring will
cause small parts to fly out of lugs.
Support extension spring (9) and remove bolt
(7). Remove extension spring, limiter spring (10),
two washers (11) and bearing (12) from hub oil
tank lugs (8).
Lower balancing arm (13) slowly.
Blade may have to be lifted higher
if balancing arm is not free to be
Have helpers lower blade (1) until it is at rest
about 6 inches above fuselage (2).