TM 55-1520-240-23-6
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TEST 114HS111 CARGO RAMP CONTROL VALVE (AVIM)
(Continued)
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12.
Remove pressure cap and connect pressure
hose (1) to port C1 (5).
13.
Set handle (4) to position 2.
14.
Apply 3000 psi to port C1 (5). Check return port
(9) for leakage. Leakage at return port shall not
be more than 1 drop per minute.
15.
Slowly increase pressure at port C1 (5) to 4350
psi. Check leakage at return port (9). Leakage
at return port shall not be more than 20 cc per
minute. Use graduated cylinder (10).
16.
Reduce pressure at port C1 (5) to 3000 psi.
Check return port (9). Leakage at return port
shall not exceed 1 drop per minute.
17.
Reduce pressure at port C1 (5) to 0 psi.
18.
Disconnect hose (1) from port C1 (5).
19.
Remove pressure cap and connect pressure
hose (1) to port C2 (6).
20.
Make sure handle (4) is at position 2.
21.
Apply 3000 psi to port C2 (6). Check port (9).
Leakage at return port shall not exceed 1 drop
per minute.
22.
Reduce pressure at port C2 (6) to 0 psi.
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