TM 55-1520-240-23-4
5-57
INSTALL CENTRIFUGAL DROOP STOP SPRINGS AND WEIGHTS
(Continued)
5-57
6.
Install extension spring (8) and inboard limiter
spring (9) on hub oil tank lugs (18) as follows:
a.
Position bearing (19) in grommet (7) and
ends of limiter spring (9).
b.
Position two washers (20) over ends of
bearing (19).
c.
Have helpers lift and support blade (21) at tip.
d.
Lift balancing arm (22).
e.
Extend spring (8) to position bearing (19)
between lugs (18).
f.
Install bolt (23), head toward pitch-varying
housing (14), through lugs (18) and bearing
(19).
g.
Install nut (24). Torque nut to 12 to 15
inch-pounds. Install cotter pin (25). Use
washers (26) if needed to align cotter pin.
h.
Have helpers lower blade (21).
INSPECT
FOLLOW-ON MAINTENANCE:
Install droop stop shrouds (Task 5-48.5).
Close work platform (Task 2-2).
END OF TASK
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