TM 55-1520-240-23-4
5-53
INSPECT ROTOR HEAD CENTRIFUGAL DROOP STOP BOLTS AND LUGS
(Continued)
5-53
14.
Check inside faces of oil tank lugs (8). There
shall be no cracks or wear.
15.
Check inside faces of balancing arm lugs (17).
There shall be no cracks or wear. If a crack is
suspected, refer to TM 1-1520-253-23.
16.
Check extension spring (9), limiter springs (10),
and balancing arm (13) (Task 5-50).
17.
Have helpers lift and support blade (1) at tip.
18.
Lift balancing arm (13). Install extension spring
(9) and limiter springs (10) (Task 5-57).
19.
Have helpers lower blade (1).
FOLLOW-ON MAINTENANCE:
Install droop stop shrouds (Task 5-48.5).
Close aft pylon work platforms (Task 2-2).
END OF TASK
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