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• The Air Valve Assembly is located at the top of the Gantry, and controls the plunging of the Head and the plunging of the Blade.

7/64” Allen Wrench
3/32” Allen Wrench

• Turn off the air supply and remove the upper hood by removing the one screw that holds it in place.

• Locate the Air Valve Assembly at the top left side of the Gantry by standing in front of the Gantry and looking straight through the wires/Air Lines to the back plate of the Gantry.

• Locate the two Allen Screws holding the Air Valve Assembly in place.

• Do not adjust the other two screws on the Air Valve Assembly.

• Use a 7/64” Allen wrench T-Handle to remove the screws securing the Air Valve Assembly to the Gantry.

• Take note that these screws are tight and may be difficult to remove.

• Save the screws.

• Before unplugging the power plugs, note the position of each one.

• The bottom one, closest to the back of the Gantry, has a red plastic marker.

• The middle plug has a clear/white plastic marker, and the top plug has no marker at all.

• Unplug each of them by squeezing gently and pulling them straight out from their housing.

• Disconnect the three Air Lines by untwisting the connectors from each other.

• Disconnect the Air Lines then remove the old Air Valve Assembly carefully from the Gantry.

• Take the screws from the old Air Valve Assembly and place them into the new one.

• Line up the screws to the screw holes and screw into the back of the Gantry.

• It is easier to screw one screw in partially and then the other to ensure proper alignment, then go back and tighten them.

• Plug in the Air Lines.

• Matching connector colors.

• Match airline colors.

• Plug in the Power Plugs.

• The plug with the red marker gets plugged into the bottom closest to the back of the Gantry.

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• Plug in the plug with the clear/white marker into the top plug.

• Replace the upper Hood by screwing in the screw that holds it in place. You may have to gently move the Air Lines a bit in order for it to fit snuggly.

• Turn on the air source.

• Send back the old Air Valve Assembly to Wizard as directed. You are done.