VAPOR INTEGRITY TEST--Continued
On regulator assembly (12), close control shutoff valve (13), valve (19), draincock valve (20), and
valve (24), and open valve (21). On coupling assembly (8), close valves (14 and 15) and open
Turn valves (17 and 18/22) on regulator assembly (12) to the horizontal position for positive
Make sure regulator is set to its lowest setting (turned
fully counterclockwise) to avoid overpressure in tank.
The pneumatic test pressure in tank must be reached
gradually. Failure to follow this warning may result in
serious injury to personnel or damage to equipment.
Connect air pressure supply to regulator assembly port (23).