Powermax30 – Hypertherm Powermax30 Operator Manual User Manual
Page 92

MAINTENANCE AND PARTS
1
5-18
powermax30
Operator Manual
5. Remove the brown wire the same way.
6. Remove the screw that holds the green and yellow ground wire to the heatsink. There is a
notch in the powerboard to provide easier access to the screw.
Ground wire screw
7. On the outside of the power supply, loosen the strain relief retention nut so that the wires
move freely. If you are replacing the strain relief, unscrew the nut on the inside of the power
supply as well.
8. Remove the plug from the old power cord.
9. From the inside of the power supply, pull the wires through the strain relief and the hole in the
endcap to remove the old power cord.
10. Route the plug wires of the new power cord through the strain relief and then through the hole
in the endcap. Do not remove the tubular ferrite bead from the power switch end of brown and
blue wires.
11. If you are replacing the strain relief, slide the new one onto the new power cord. On the inside
of the endcap, screw the nut onto the strain relief.
12. Press the connector for the brown wire onto the pin on the upper left side of the power
switch.
13. Press the connector for the blue wire onto the pin on the upper right side of the power switch.
PMX30_OM_05.qxp:PMX30_OM_05 10/7/09 12:46 PM Page 5-18