Specifications

TM 9-2330-384-14&P
5-8. VAPORINTEGRITYTEST(Con't).
29
(16)
If vacuum does not drop, go to step 25. If vacuum drops,
go to step 17.
(17) Close emergency valve (29) using top lever in roadside
cabinet.
(18) If necessary, reevacuate tankto 6.0 inches ± 0.5 inch wc,
per step 2. If vacuum is maintained once shutoff valve
(16) is closed, go to step 19. If vacuum drops when shutoff
valve (16) is closed, go to step 22.
(19) Visually locate the leak in discharge piping system (check
discharge valves, piping, sump drain, and precheck valve
circuit).
16
2
(20) Return tank and piping system to atmospheric
pressure by opening rear sump drain (2) and
butterfly valve (1).
(21)
Repair the leak in discharge piping system
(para 4-80), and verify repair by testing per
step 18.
(22)
Visually locate tank barrel leak by checking
W.
cleanout caps, manhole gasket, precheck valve
circuit, joints, and seals.
(23)
Return tank and piping system to atmospheric
pressure by opening rear sump drain (2) and
butterfly valve (1).
5-40 Change1