Hypertherm Powermax30 XP Service Manual - Manual (Page 141)

Powermax30 XP Service Manual 808150 Revision 1 141
6 – Power Supply Component Replacement
Replacing the air filter/regulator and pressure switch assembly
Remove the air filter/regulator and pressure switch assembly
1. Complete the following procedures:
a. Set the power switch to OFF (O), disconnect the power cord from the power source, and disconnect the gas
supply.
b. See Remove the power supply cover on page 88.
2. Use 2 wrenches to remove the air fitting from the brass hex adapter that connects the fitting to the air filter/regulator.
See Figure 75.
 CSA models: Use a 9/16 inch wrench for the air fitting and a 5/8 inch wrench for the hex adapter.
 CE/CCC models: Use a 19 mm wrench for the air fitting adapter and a 5/8 inch wrench for the hex adapter.
3. Disconnect the drain hose from the hole in the bottom of the power supply’s base. See Figure 75.
4. Disconnect the red and black wires from the pins on the pressure switch.
5. Push-to-disconnect the gas supply hose from the air filter/regulator’s brass “T” fitting. (See Figure 56 on page 119.)
6. Disconnect the ground wire that is attached to the clip on the air filter/regulator’s brass “T” fitting. Set the clip aside.
Kit number Description
228106 Kit: Air filter/regulator with pressure switch