Hypertherm Powermax105 Service Manual - Manual (Page 256)

Power SuPPly ComPonent rePlaCement
9-58
powermax
105 Service Manual
Replace the pressure switch
1. Unplug the wire terminals from the top of the pressure switch.
2. Loosen the pressure switch with a wrench.
3. Remove the pressure switch from the air filter housing.
4. Apply thread sealant to the threads of the new pressure switch.
5. Tighten the new pressure switch into the air filter housing.
6. Connect the wire terminals to the pressure switch (white wire closest to the center panel).
Wire terminals
Pressure switch
Air filter housing