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immediately close the valve. This will clear any moisture or
debris that may be inside the cylinder valve outlet opening.
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 right 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 tighten finger tight only.
4. If a submersible pressure gauge is attached to the first stage,
ensure that the gauge is facing away from you. Pressurize
the regulator by slowly turning the cylinder valve handwheel
counter-clockwise. Continue turning the cylinder valve hand
wheel counter-clockwise until it is fully open, and then turn
back clockwise ¼ - ½ turn.
5. Listen near the first stage to check for any leakage. If leakage
is detected, immerse the first stage and cylinder valve while
pressurized to determine the source.
6. If leakage has been detected, follow the procedure for remov-
ing the regulator from the cylinder valve. If air was leaking
between the first stage and cylinder valve, replace or reseat
the cylinder valve O-ring as needed and repeat the above
procedure. If leakage persists, do not dive with the regulator!
Return the regulator to a KMDSI Dealer.
Balance Purge Tube and Regulator Installation
Tools and Components required:
• Pliers or Tie Wrap Gun rated at 50 pounds/22.6 kg
• Side Cutter Pliers
• Thin Nylon Rope (e.g., Paracord) or equivalent (for Pull
Test)
• 25 pound (11 kg) weight or a filled 50 cu. ft. aluminum
scuba tank (for Pull Test)
© MMXVII Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 170814005
Balance Purge Tube and Regulator Installation
19
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