TM 1-1520-238-23
5-197
5.44.
MAIN ROTOR DROOP STOP RING REMOVAL/INSTALLATION (AVIM)
5.44.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
5.44.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 372, App H)
0.000 - 6.000-inch outside micrometer caliper set
(item 52, App H)
2 - 12-inch inside micrometer caliper (item 56, App H)
Materials/Parts:
Cloth (item 52, App F)
Personnel Required:
68D
Aircraft Powertrain Repairer/NDI
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
5.38
Main rotor droop stop followers removed
(four places)
WARNING
FLIGHT SAFETY PART
The main rotor droop stop ring 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.
5.44.3. Removal
a. Remove droop stop ring (1) from main rotor
head (2).
5.44.4. Cleaning
a. Wipe droop stop follower, lower shoe, retain-
ing ring, washer, spring, cup. Use cloth
(item 52, App F).
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