TM 55-1520-240-23-6
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ADJUST CARGO DOOR SEQUENCE VALVE
(Continued)
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5.
Turn rod end (2) counterclockwise until it is 0.30
inch from original position.
6.
Set ramp control handle (3) to UP. Raise ramp
fully up. Set ramp control handle to STOP.
7.
Turn EMERG UTIL PRESS valve handle (5) to
OPEN.
8.
Push down and hold MANUAL OPER knob (6).
Turn lockpin handle (7) 90º to lock MANUAL
OPER knob. If knob is not locked down, turn rod
end (2) clockwise until knob is locked.
9.
Turn handle (7) to vertical position to release
knob (6). Check hole (8) to ensure thread shows.
10.
Tighten locknut (1).
FOLLOW-ON MAINTENANCE:
Perform operational check of cargo door sequence
valve (TM 55-1520-240-T).
END OF TASK
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