Powermax30 – Hypertherm Powermax30 Operator Manual User Manual
Page 90

MAINTENANCE AND PARTS
1
5-16
powermax30
Operator Manual
6. Remove the screw that holds the green 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. Pull the wires through the hole in the endcap to remove the old power cord.
9. If you have a new strain relief, slide it onto the new power cord and thread the wires for the
new power cord through the hole in the endcap. If the old strain relief is still in place, thread
the wires through the strain relief.
10. Slide the strain relief’s nut over the wires and screw it to the strain relief from the inside of the
endcap.
11. Press the connector for the black wire onto the pin on the upper left side of the power switch.
12. Press the connector for the white wire onto the pin on the upper right side of the power
switch.
13. Screw the green ground wire to the heatsink with a torque setting of 15 inch-pounds (17.28
kg cm).
14. Position the wires in the wire chase up the side of the endcap and out of the way of the power
board. Once the wires are in place, tighten the strain relief’s retention nut on the outside of the
endcap.
PMX30_OM_05.qxp:PMX30_OM_05 10/7/09 12:46 PM Page 5-16