The following procedures are for attaching a yoke style regulator to a "J" or "K" cylinder valve.

1. Remove the dust cap by loosening the yoke screw.
2. Place the 1st stage over the cylinder valve. The 1st stage's filter should be positioned against the valve's o-ring, and the 2nd stage hoses should be on the same side as the valve knob.
3. Tighten the yoke screw against the valve. The screw should only be tightened finger-tight. Don't worry if the 1st stage rotates on the valve. It will tighten up when the air is opened.
4. Attach the low-pressure hose to the power inflator's air inlet.

If you have a DIN valve, the procedure is similar, with the exception that the 1st stage is screwed into the cylinder valve.