TM 55-1520-240-23-6
7-217
TEST UTILITY RESERVOIR/COOLER (AVIM)
(Continued)
7-217
INTEGRITY PRESSURE TEST HIGH-PRESSURE
SIDE
17.
Open valve (9). Apply 60 psi pressure to return
port (2).
18.
Close valves (9 and 10).
19.
Close valve (14). Apply 3350 psi pressure
to pressure port (4). Maintain pressure for 2
minutes.
20.
Check reservoir (11) for leaks. There shall be
no external leaks
21.
Open valve (10).
22.
Open and close valve (9) to lower and raise
pressure at return port (2) from 120 to 0 psi.
23.
Check reservoir (11) for leaks and smooth
operation of cylinder (15). There shall be no
leaks, erratic movement or sticking of cylinder.
24.
Open valve (14) to reduce pressure at pressure
port (4) to 0 psi.
25.
Open valve (10) to reduce pressure at return port
(2) to 0 psi.
7-823
