Hypertherm Powermax105 Service Manual - Manual (Page 247)

Power SuPPly ComPonent rePlaCement
powermax
105 Service Manual 9-49
Replace the thermal sensor
Complete the instructions below while referring to the applicable figure:
• 200-600 V CSA heat sink components on page 9-50
• 230-400 V CE, 380 V CCC/230-400 V CE heat sink components on page 9-51
• 380 V CCC/400 V CE heat sink components on page 9-52
1. Remove the upper left mounting screw from the inverter IGBT module.
2. Remove the thermal sensor.
3. Align the ring terminal of the new thermal sensor with the upper left hole in the inverter IGBT module.
4. Step torque the supplied mounting screw to the proper value as shown in the applicable figure.