GB
22
Regulator Owner’s Manual
............................................................................................
To attach a yoke-style first stage to the cylinder valve, follow
these steps:
1. Partially unscrew the yoke screw of the first stage regulator so that the
dust cap can be removed from the air inlet.
2. With the cylinder valve facing away from you, release a small amount
of air from the cylinder by turning the hand-wheel anti-clockwise to
open the valve slightly. When air is heard exiting, immediately close
the valve. This will clear any moisture or debris that may be inside the
cylinder valve outlet opening. Check the O-ring is still in place.
3. Place the first stage regulator over the cylinder valve so that the inlet
fitting aligns with the O-ring of the cylinder valve, and the LP hose of
the primary second stage will be routed over the desired shoulder.
While holding the first stage in place, turn the yoke screw clockwise.
Ensure that the yoke screw mates into the small dimple on the
backside of the cylinder valve, and hand tighten only - do not over
tighten.
4. If a submersible pressure gauge is attached to the first stage, ensure
that the gauge is facing away from you. Pressurise the regulator by
slowly turning the cylinder valve handwheel anti-clockwise. Continue to
turn the valve handwheel anti-clockwise until it is fully open, and then
turn it back
1
/
2 turn.
5. Listen near the first stage to check for any leakage. If leakage is
detected, immerse the first stage and cylinder valve while pressurised
to determine the source.
6. If leakage has been detected, follow the procedure for removing
the regulator from the cylinder valve on page 29. If air was leaking
between the first stage and cylinder valve, replace or re-seat the
cylinder valve O-ring as needed and repeat the above procedure. If
leakage persists, return the system to an authorised dealer.
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