Specifications

TM9-2330-384-14&P
5-8. VAPORINTEGRITYTEST(Con't).
WARNING
Toavoidoverpressureinthetank,makesureregulatorissettoitslowestsetting.The
pneumatictestvacuuminthetankmustbereachedgradually.Failureto followthis
warningmayresultin injurytopersonnelor seriousdamageto equipment.
(4)
Set pressure regulator (24) to its lowest setting by turning regulator knob (15) fully clockwise.
(5)
Connect shop air pressure supply to vacuum port (32) of pressure regulator (24).
0
29
30 31
d.
VACUUM TEST PROCEDURE
(1)
Open emergency valve (29), vapor vent valve (30), and precheck valve (31) using valve levers located in
roadside cabinet. Open shutoff valve (16).
(2)
Slowly adjust pressure regulator (24) by turning regulator knob (115)counterclockwise) to increase the flow
of air and evacuate vapor return line and tank until a vacuum reading of 6.0 inches - 0.5 inch wc is obtained.
Close shutoff valve (16).
L@@-OhL
(3)
Wait five minutes and record the time and final pressure; if necessary, repressurize the tank to 6.0 inches +
0.5 inch wc, wait an additional five minutes, and record the time and final pressure. Initial test vacuum must
be 6.0 inches ± 0.5 inch wc.
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