Plasma Power Supply
34 809970 Field Service Bulletin XPR300
Replace the control-side fans
Remove the control-side fans
See Fans on page 121 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.