TEST CARGO DOOR PRESSURE ACTUATED VALVE
MANUAL OVERRIDE FUNCTION
Apply and maintain 60 to 65 psig pressure at
port A of valve (2) with port B open to return and
solenoid valve (13) de-energized (open).
Apply 50 psig pressure at port C.
Depress and then release manual override
button (15). When manual override button is
depressed, port C and D shall immediately be
connected. When released, port C and D shall
immediately be disconnected.
Measure the force in pounds required on the
manual override button to shift from closed to
fully open position. Force required to actuate
manual override button shall not vary over 50
percent at any pressure.
Repeat steps 37 thru 40 at 500, 1500, and 3000
Remove hoses (1), (7), (11), and (12). Remove
valve (13) and gage (14). Install pressure caps
on ports A, B, C, and D.
END OF TASK