TM 55-1520-240-23-6
7-20
TEST FILL MODULE (AVIM)
(Continued)
7-20
VALVE RELIEF TEST
49.
Connect tube (31) to port C3 (16). Place
graduate (32) at outlet of tube.
50.
Connect No. 2 test setup to port C1 (11).
51.
Set handle (9) to position 1.
52.
Close valve (33).
53.
Adjust valve (34) to apply pressure to port C1
(11). Check for leaks at ports C2 and C3 (15 and
16). At 300 to 700 psi on gage (35), leaks shall
change to steady flow. Add shims as needed
(Task 7-19).
54.
Close valve (34). Open valve (33).
55.
Repeat steps 50 thru 54, connecting No. 2 test
setup to port C2 (15), and setting handle (9) to
position 2. Check for leaks at ports C1 and C3
(11 and 16).
56.
Repeat steps 50 thru 54, connecting No. 2 test
setup to port C3 (16), and setting handle (9) to
position 3. Check for leaks at ports C1 and C3
(11 and 15).
57.
Disconnect No. 2 test setup from port C3 (16).
58.
Disconnect tubes (30 and 31) from ports C1 and
C3 (11 and 15).
59.
Remove nut (6), three bolts (5), and washers (4).
Remove module (3) from support (1).
60.
Remove support (1) from vise (2).
INSPECT
FOLLOW-ON MAINTENANCE:
None
END OF TASK
7-151
