TriStar II 3020 Connecting Gases
302-42828-01 - Dec 2012 9-19
1. Use an appropriate cylinder wrench to remove the protective cap from the replacement bottle.
2. Attach the gas regulator to the gas bottle connector. Hand-tighten the nut then use an appropriate
wrench to tighten an additional 3/4 turn.
3. Check for leaks at the high-pressure side of the regulator and in the connector.
a.) Turn the regulator control knob fully counterclockwise.
b.) Slowly open the gas bottle shut-off valve then close it.
c.) Observe the pressure on the high-pressure gauge.
• If the pressure is stable, proceed with the next step.
• If the pressure decreases, tighten the regulator connector nut until it becomes stable.
Overtightening the fitting may cause a leak.
Regulator
control knob
HIgh-pressure Gauge
Regulator
connector nut
Gas bottle
shut-off valve
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