Hypertherm Powermax45 Service Manual - Manual (Page 117)

component replacement
powermax
45 Service Manual 6-13
6. Slide the old fan out from the power supply.
7. Slide the new fan into place.
8. Replace the 4 retaining screws.
9. Orient the fan plenum so that the wider end is at the bottom, and snap it into place.
10. Attach the connector for the red and black wires on the left side of the fan to J4 (200–240 V CSA and 230 V CE)
or J5 (400 V CE and 480 V CSA) on the power board.
11. Being careful not to pinch any of the wires, slide the cover back onto the power supply. Make sure that the bottom
edges are in the tracks. Position the handle over the holes in the top of the cover, then use the 2 screws to secure
the cover.
12. Reconnect the electrical power and the gas supply.
Replace the gas filter element
1. Turn OFF the power, disconnect the power cord, and disconnect the gas supply.
2. Use a #2 Phillips screwdriver to remove the 2 screws from the handle on the top of the power supply. Tip the end
panels back slightly so that you can get the edges of the handle out from underneath them. Lift the cover off the
power supply.
3. Remove the drain hose from the drain in the bottom of the power supply’s base.
4. Compress the hose fitting’s collar on the gas supply hose and pull the gas hose from the fitting.
5. Unscrew the nut that holds the filter in the bracket. Tip the bottom of the filter away from the power supply.
6. Unscrew the drain from the bottom of the filter. (You may want to remove the hose to make this easier.)