Specifications

TM 9-2330-384-14&P
5-8.
VAPOR INTEGRITY TEST (Con't).
(6)
Close vapor vent valve (30) using lower lever in roadside cabinet. At the end of an addtional five minutes,
record the time and final pressure.
(7)
If pressure in vapor vent line remains at 18.0 inches ± 0.5 inch wc, go to step 12. If pressure drops, go to step
8.
(8)
Look for leaks in vapor return line system (check vapor vent hood, vapor vent hose, cleanout caps, gasket,
and pipe joints).
NOTE
Safety bolt must be removed from rear sump drain control lever prior to opening rear
sump drain.
(9)
Return tank and piping system to normal atmospheric pressure by opening rear sump drain (2) and vapor vent
valve (30).
30
2
5-32
Change1