Hypertherm Powermax105 Service Manual - Manual (Page 214)

Power SuPPly ComPonent rePlaCement
9-16
powermax
105 Service Manual
WARNINg
ELECTRIC SHOCK CAN KILL
Disconnect electrical power before performing any maintenance or repairs. See
the Safety and Compliance Manual included with your system for more safety
precautions.
Caution: Static electricity can damage circuit boards.
• Use proper precautions when handling printed circuit boards.
- Store PC boards in anti-static containers.
- Wear a grounded wrist strap when handling PC boards.
Disconnect the power and gas supply
1. Turn the plasma power supply switch to OFF (O).
2. Turn the line disconnect switch to OFF (O).
3. Disconnect the gas supply hose from the plasma power supply.
Power switch
Line
disconnect
switch
Gas supply
1 2
3