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Set-Up (H-Nut Style)
• Inspect the cylinder following the instructions of your
gas supplier. Be sure to purge the cylinder valve seat of
debris.
• Inspect the regulator for oil or grease. If either is vis-
ible, DO NOT use the regulator.
• Before attaching the regulator to the valve, inspect the
regulator and the seal to ensure that they’re in good
condition, and be sure that the regulator has just one
of the CGA-870 seals. Gently thread the large nut on the
regulator on the connection on the cylinder valve.
• Tighten the nut with a wrench until snug.
• Attach the oxygen supply tubing to the outlet connec-
tion of the regulator.
Instructions for Use
• Be sure the regulator is in the “off” position by rotating
the knob counterclockwise to the “O” position.
• For safety, be sure you are not directly in front of or
behind the regulator when opening the cylinder valve.
• Open the cylinder valve slowly while maintaining a grip
on the valve wrench so that it can be closed quickly
if gas escapes between the regulator and the valve;
SLOWLY turn the cylinder valve (counterclockwise)
about one full turn.
• If you can hear a hissing sound, there is a leak in the
system. Turn the cylinder off and turn the regulator
on to relieve any built-up pressure. Try tightening the
regulator to the cylinder and opening the cylinder
again. If this does not help, shut the system down again
and contact a service representative. NEVER attempt to
repair a regulator or cylinder yourself.
• Adjust the ow rate setting by turning the knob clock-
wise until the desired setting shows in the window.
• If the cylinder pressure falls below 300 PSI, exchange
the cylinder for a full one.