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first stage from the cylinder, exercise
caution not to let any water enter the
first stage through the inlet fitting,
where the filter is located.
Shut off the cylinder gas supply by
turning the cylinder valve handwheel
until snug.
Depress the second stage purge
button to drain the remaining gas from
the regulator and hoses. Keep the
purge button pressed in until no more
gas can be heard exiting the regulator.
Turn the yoke screw counterclockwise
to loosen the regulator on the cylinder
valve. While removing the regulator,
keep the first stage inverted with the
yoke screw facing down. This will
prevent water drops for going in the
inlet area where the filter is located.
