TM 55-1520-240-23-4
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INSPECT ROTOR HEAD CENTRIFUGAL DROOP STOP BOLTS AND LUGS
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INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Technical Inspection Tool Kit, NSN 5180-00-323-5114
Eddy Current Inspection Unit
Materials:
None
Personnel Required:
Medium Helicopter Repairer (4)
Inspector
References:
Task 5-50
Task 5-57
TM 1-1520-253-23
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Hydraulic Power Off
Tiedown Line Installed On One Forward and One Aft
Blade (Task 1-26)
Aft Pylon Work Platforms Open (Task 2-2)
Droop Stop Shrouds Removed (Task 5-48.3)
General Safety Instructions:
Do not lower blade suddenly.
Personnel can be injured if blade is
lowered suddenly while droop stop
work is in progress.
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