TM 55-1520-240-23-6
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TEST 114HS111 CARGO RAMP CONTROL VALVE (AVIM)
(Continued)
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1.
Connect test stand pressure hose (1) to pressure
port (2) of valve (3).
2.
Set handle (4) to position 2.
3.
Install pressure caps on ports (5, 6, and 7).
4.
Apply 3000 psi to pressure port (2).
NOTE
Ramp control valve is cycled by
setting handle from position 2, to
position 1, to position 2, to position 3,
to position 2.
5.
Operate ramp control valve (3) through 25
cycles. Check valve (3) for external leakage.
Leakage shall not exceed 1 drop.
6.
Connect test stand pressure hose (8) to return
port (9).
7.
Set handle (4) to position 1 or 3.
8.
Apply 4500 psi to ports (2 and 9). Check valve
(3). There shall be no external leakage, failure,
or permanent set.
9.
Reduce pressure at ports (2 and 9) to 0 psi.
10.
Disconnect hose (1) from pressure port (2).
11.
Disconnect hose (8) from test stand and return
port (9).
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