TM 55-1520-240-23-4
5-57
INSTALL CENTRIFUGAL DROOP STOP SPRINGS AND WEIGHTS
(Continued)
5-57
Do not apply epoxy primer (E292) to
screw thread. Torque will be incorrect.
NOTE
There are three centrifugal droop
stops. Procedure is same to install
springs and weights on any centrifugal
droop stop.
1.
Prime mating surfaces of balancing arm (1) and
weight (2). Prime grip of screws (3). Use epoxy
primer (E292). Wear gloves (E184.1).
2.
Position weight (2) on arm (1). While primer is
wet, install screws (3), washers (4), and torque
collars (5). Turn torque collars until tops (6)
break off. Use screw key to prevent screws from
turning.
3.
Install two grommets (7) in ends of extension
spring (8).
4.
Hook limiter springs (9) together and position
limiter springs in extension spring (8).
5.
Install extension spring (8) and outboard limiter
spring (9) on lugs (10) as follows:
a.
Position bearing (11) in grommet (7) and
ends of limiter spring (9).
b.
Position two washers (12) over ends of
bearing (11).
c.
Position bearing (11) between lugs (10).
d.
Install bolt (13), head toward pitch-varying
housing (14), through lugs (10) and bearing
(11).
e.
Install nut (15). Torque nut to 12 to 15
inch-pounds. Install cotter pin (16). Use
washers (17) if needed to align cotter pin.
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