Hypertherm Powermax105 Service Manual - Manual (Page 282)

Power SuPPly ComPonent rePlaCement
9-84
powermax
105 Service Manual
Replace the rear end panel
1. Remove the screw securing the ground wire(s) to the air filter housing.
Note: There will be two ground wires if the optional CNC
interface connector is installed in the rear panel.
2. Unplug the two wire connectors from the terminals on top of the
pressure switch.
3. If the optional CNC interface is installed, remove the two mounting
screws securing it to the rear end panel.
4. Grasp the filter bowl with your right hand.
5. Push down the thumb latch and rotate the filter bowl approximately 45
degrees to the right.
6. Pull the filter bowl straight down to remove. You can see the white
filter element and retaining nut.
7. Remove the filter element by unscrewing (counterclockwise) the
plastic retaining nut.
8. Remove the gas fitting from the rear panel.
Optional RS485
connector
Optional CNC
interface connector
Pressure
switch
Ground wire
screw
Air filter
subassembly
9. Remove the three air filter subassembly mounting screws.
10. Lift the air filter subassembly out of the power supply.
11. If the optional RS485 connector is installed, remove it by unplugging the five wires from the connector terminals
inside the power supply and removing the two mounting screws from the rear end panel.
Filter bowl
Gas fitting Air filter
subassembly
mounting screws (3)
Thumb latch
Remove
Optional RS485
connector