TM 1-1520-238-23
5-181
5.39.
MAIN ROTOR DROOP STOP FOLLOWER INSTALLATION (AVIM) – continued
CAUTION
To prevent contamination of Teflon-
type journal bearings do not apply lu-
bricant on droop stop followers or
journal bearings
To prevent damage to feathering bear-
ing install follower with roller nut to bot-
tom of main roller head.
e. Install droop stop follower (4) in lower shoe
(5).
(1) Install follower (4) partially in shoe (5).
(2) Place cup (6) between shoe (5) and ring (2),
with flange facing ring (2), spring (1), and
washer (7).
(3) Insert follower (4) through cup (6), spring (1),
and washer (7).
(4) Install retaining ring (8) on follower (4).
f. Remove lockwire from spring (1).
g. Allow a minimum gap of 0.015 INCH between
retaining ring (8) and ring (2).
h. Inspect (QA).
WARNING
Main rotor head weighs approximately
675 pounds. Use crane to turn rotor
over. Failure to do so could result in
serious injury. If injury occurs, seek
medical aid.
i. With assistants, invert main rotor head. Use
sling set kit.
j. Install main rotor feathering bearing housing
(para 5.37).
END OF TASK
M04-251-3
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