Hypertherm Powermax45 Service Manual - Manual (Page 115)

component replacement
powermax
45 Service Manual 6-11
6. 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, use an adjustable wrench to unscrew the strain relief nut on the inside of the power
supply to remove the old strain relief.
7. From the outside of the power supply, pull the wires through the strain relief and the hole in the end panel to
remove the old power cord.
8. If you are replacing the old strain relief with the new strain relief contained in the kit, slide the new strain relief onto
the new power cord and route the wires for the new power cord through the hole in the end panel. Slide the new
strain relief nut over the wires and screw it to the strain relief from the inside of the end panel. Hand tighten the nut
and then over-tighten slightly more.
If you are keeping the old strain relief in place, route the wires for the new power cord through the strain relief.
9. Press the connector for the black wire into the hole on the top left side of the power switch (L1) and replace the
screw that secures it. Torque the screw to 11.5 kg cm (10 inch-pounds).
10. Press the connector for the white wire into the hole on the top middle of the power switch (L2) and replace the
screw that secures it. Torque the screw to 11.5 kg cm (10 inch-pounds).
11. Press the connector for the red wire into the hole on the top right of the power switch (L3) and replace the screw
that secures it. Torque the screw to 11.5 kg cm (10 inch-pounds).
TP17
W
+ - + -
TP18
B
TP16
R
~280 VDC ~280 VDC
L1 L2 L3
Three phase (CSA)
L1 Black
L2 White
L3 Red
PE Green