Owner`s manual

12 Regulator Owner’s Manual
counter-clockwise until it is fully open, and then turn it back
clockwise 4-2 turn.
5. Listen near the first stage to check for any leakage. If leakage is
detected, immerse the first stage and cylinder valve while pres-
surized to determine the source.
6. If leakage has been detected, follow the procedure for removing
the regulator from the cylinder valve on pages 22-23. 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 cylinder and regulator
to an Authorized Aqua Lung
Dealer.
Mounting the First Stage Onto the Cylinder Valve (DIN Connector)
1. Remove the protector cap from the cylinder valve. With the
cylinder valve facing away from you, release a small amount of
air from the cylinder by turning the handwheel counter-clock-
wise to open the valve slightly. When air is heard exiting, imme-
diately close the valve. This will clear any moisture or debris
that may be inside the threaded cylinder valve opening.
2. Position the first stage near the cylinder valve so that the LP
hose of the primary second-stage will be routed over the right