TM 55-1520-240-23-6
7-20
TEST FILL MODULE (AVIM)
(Continued)
7-20
VALVE PORT LEAK TEST
40.
Disconnect No. 1 test setup from ports C2 and
C3 (15 and 16).
41.
Close valves (18, 19, and 21).
42.
Connect tubes (30 and 31) to ports C2 and C3
(15 and 16). Place graduates (28 and 32) at
outlets of tubes. Use 10 cc graduate.
NOTE
Keep tubes as short as possible.
43.
Set handle (9) to position 1.
44.
Operate handle (14) and maintain 200 psi on
gage (22) for 5 minutes.
45.
Check for leaks at ports C2 and C3 (15 and 16).
Leaks shall not exceed 2 ccs per minute.
46.
Repeat steps 42 thru 45, connecting No. 1 test
setup to port C2 (15) and setting handle (9) to
position 2. Check for leaks at ports C1 and C3
(11 and 16).
47.
Repeat steps 42 thru 45 connecting No. 1 test
setup to port C3 (16) and setting handle (9) to
position 3. Check for leaks at ports C1 and C2
(11 and 15).
48.
Disconnect No. 1 test setup from module (3).
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