TM 1-1520-238-23
5-180
5.39.
MAIN ROTOR DROOP STOP FOLLOWER INSTALLATION (AVIM)
5.39.1. Description
This task covers:
Installation.
5.39.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 372, App H)
Sling set kit (item 194, App H)
Materials/Parts:
Wire (item 229, App F)
Personnel Required:
68D
Aircraft Powertrain Repairer/NDI
Two persons to assist
67R
Attack Helicopter Repairer
WARNING
FLIGHT SAFETY PART
The main rotor droop stop follower is
a flight safety part. Failure to follow
maintenance instructions may result
in serious injury or death of
crewmembers and/or serious damage
to the helicopter.
a. Wrap lockwire around spring (1) three places.
(1) Evenly space lockwire to hold spring (1) fully
compressed. Use wire (item 229, App F).
b. Position spring (1) in vise and fully compress.
(1) Tighten lockwire.
c. Remove spring (1) from vise.
d. Place droop stop ring (2), if removed, in posi-
tion on main rotor head (3).
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1
LOCKWIRE TYPICAL
THREE PLACES
M04-251-2
M04-251-1
3
2
