14
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Preparing to Dive
Partially loosen the yoke screw to
remove the dust cap
Vent a small amount of air from
the cylinder valve to blow out any
dust, debris or moisture
Inspect the condition of the
cylinder valve o-ring. Replace if
damaged or missing.
Place the regulator’s connection
yoke over the valve so that the
inlet fitting of the regulator seats
against the valve o-ring AND the
primary second stage hose routes
over the divers right shoulder.
Hold in place while you turn
the yoke screw clockwise until
snug. Confirm that the yoke screw
engages the small dimple on the
back of the cylinder valve.
CAUTION: Over-tightening the
regulator on the valve can cause
damage and make it difficult to
remove the regulator after the dive.
It is the valve o-ring that forms the
seal, not excessive tightening of
the yoke screw.
Place the venturi lever in the
minus “-” position. Turn the
inhalation control knob, if
applicable, clockwise, all the way
inward.
Make sure that your pressure
gauge or computer faces away
from you.
