TM 55-1520-240-23-6
7-235
TEST BRAKE TRANSFER VALVE (AVIM)
(Continued)
7-235
1.
Connect hose (1) to CYL 1 port (2) of transfer
valve (3).
2.
Connect hose (4) to CYL 2 port (5) of transfer
valve (3).
3.
Connect hose (6) to BRAKE port (7) of transfer
valve (3).
4.
Close shutoff valves (8, 9 and 10).
5.
Open shutoff valves (11 and 12).
6.
Fill transfer valve (3) by applying 30 psi pressure
to CYL 1 port (2).
7.
Position container (13) under hose (6).
8.
Open shut off valve (8) until transfer valve (3)
is free of air. Close shutoff valve. Use gloves
(E186).
9.
Raise pressure at CYL 1 port (2) to 2250 psi.
Maintain pressure for 3 minutes.
10.
Check transfer valve (3). There shall be no
external leaks.
11.
Check CYL 2 port (5). There shall be no leaks.
12.
Reduce pressure at CYL 1 port (2) to 0 psi.
13.
Close shutoff valves (11 and 12).
14.
Open shutoff valves (9 and 10).
15.
Fill transfer valve (3) by applying 30 psi pressure
to CYL 2 port (5).
16.
Open BLEED valve (14) until transfer valve (3) is
free of air. Close BLEED valve. Clean up spilled
fluid with cloths (E120). Use gloves (E186).
17.
Raise pressure at CYL 2 port (5) to 2250 psi.
Maintain pressure for 3 minutes.
18.
Check transfer valve (3). There shall be no
external leaks.
19.
Check CYL 1 port (2). There shall be no leaks.
20.
Remove container (13).
21.
Reduce pressure at CYL 2 port (5) to 0 psi.
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