Hypertherm XPR300 - IEC Symbols

Plasma Power Supply
1
XPR300 Field Service Bulletin 809970 37
Replace the 48 V power source
Remove the 48 V power source
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See Control side – view 1 on page 126 for location and part number.
1. Complete the following procedures:
a. Remove the power from the cutting system.
b. See Remove the right-side (liquid-cooling-side) panel on page 60.
c. See Remove the left-side (control-side) panel on page 61.

Keep all nuts and screws that you remove.
2. On the liquid-cooling side of the plasma
power supply, remove J7 and J8 from
the fan power distribution PCB.
3. On the control side, remove the
connector covers from the power
source.
4. Loosen the 4 screws to remove the
wires.