TM 55-1520-240-23-9
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ADJUST PITCH OR ROLL BALANCE SPRINGS
(Continued)
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13.
Remove plumb bob (4) from cockpit ceiling (6).
FOLLOW-ON MAINTENANCE:
Perform operational check of flight control system
(TM 55-1520-240-T).
Install closet backup panel (Task 2-2).
Install closet acoustic blanket (Task 2-108).
END OF TASK
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