Replace Start Circuit Assembly - Hypertherm XPR170 Replacement Part Procedures

Replace start circuit assembly


Refer to
1. Complete the following procedures:
a. Remove the power from the cutting system.
b. Refer to Remove the left-side (control-side) panel

Keep all nuts and screws that you remove.
2. Disconnect J4,
J6, J7, and J8.
3. Use a 10 mm,
hexagonal-socket
wrench to
remove the 3
nuts.
4. Pull the assembly
straight out.
5. Align the heatsink
of the new PCB
with the hole in
the sheet metal.
6. Align the new
PCB with the
mounting studs.
7. Install the 3 nuts.
Tighten to 9 N∙m
(80 in∙lbf).
8. Connect J4, J6, J7, and J8.
9. Install the control-side panel.
XPR170 Field Service Bulletin
Control side – view 1 on page 138 for location and part number.
J8
810410
Plasma Power Supply
on page 63.
J4
J6
J7
1
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