TM 55-1520-240-23-4
5-63.3
INSPECT ROTOR SYSTEM AFTER EXTREME BLADE FLAPPING (SAILING) (Continued)
5-63.3
2.
Check contact surfaces of pitch housing (5) and
rotor head (6) as follows:
a.
Check lugs (7) and surface (8) at each pitch
housing (5) for damage.
b.
Have helpers support blade (1). Check fixed
droop stop (9) and contact surface (10) at
each pitch housing (5) for damage.
3.
If any contact surface is broken, cracked, or
deformed more than 0.050 inch, replace blade
(1) (Tasks 5-64 and 5-84). Replace rotor head
(Tasks 5-8 and 5-9).
FOLLOW-ON MAINTENANCE:
None
END OF TASK
5-283
