TM 55-1520-240-23-6
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TEST BRAKE TRANSFER VALVE (AVIM)
(Continued)
7-235
22.
Position graduate cylinder (15) under hose (6).
23.
Apply 100 psi pressure to CYL 2 port (5).
24.
Close shutoff valve (9).
25.
Slowly open shutoff valve (11) until gage (16)
reads 30 psi.
26.
Open shutoff valve (8) for 1 minute, then close
shutoff valve.
27.
Check fluid level in graduate cylinder (15). Fluid
level shall be more than 20 cc.
28.
Reduce pressure at CYL 2 port (5) to 0 psi.
29.
Remove graduate cylinder (15).
30.
Open shutoff valves (8 and 9).
31.
Close shutoff valve (11).
32.
Apply 5 psi pressure to CYL 2 port (5). Maintain
pressure for 3 minutes.
33.
Check CYL 1 port (2) and brake port (7). There
shall be no leaks.
34.
Apply 500 psi pressure to CYL 2 port (5).
Maintain pressure for 3 minutes.
35.
Check CYL 1 port (2) and brake port (7). There
shall be no leaks.
36.
Apply 1200 psi pressure to CYL 2 port (5).
Maintain pressure for 3 minutes.
37.
Check CYL 1 port (2) and brake port (7). There
shall be no leaks.
38.
Reduce pressure at CYL 2 port (5) to 0 psi.
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