Hypertherm Powermax30 Mode D'emploi page 5

Replace the air filter/regulator and pressure switch
1. Set the power switch to OFF (O), disconnect the power cord from the power source, and disconnect the gas supply.
2. Remove the 2 screws from the handle on the top of the power supply.
3. Slightly tip the front and rear panels away from the power supply so that you can get the edges of the handle out from
underneath them. Remove the handle, and set it and the 2 screws aside.
4. Lift the cover off the power supply.
5. Grip the air filter/regulator with your right hand to hold it steady. With your left hand:
 CSA models: Use a 1/2 inch wrench to remove the air fitting from the rear of the power supply.
 CE models: Use a 19 mm wrench to remove the air fitting adapter from the rear of the power supply.
6. Disconnect the drain hose from the hole in the bottom of the power supply's base.
7. Disconnect the red and black wires from the pins on the pressure switch.
8. Push-to-disconnect the gas supply hose from the air filter/regulator's brass "T" fitting.
Powermax30/30 XP Field Service Bulletin 805330 Revision 2
Air Filter/Regulator and Pressure Switch Replacement
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