Hypertherm XPR170 - Install the Control Transformer

Plasma Power Supply
1
XPR170 Field Service Bulletin 810410 43
Install the control transformer
1. Align the holes in the control transformer bracket with the sheet metal.
2. Use a 10 mm, hexagonal-socket wrench to install the nuts and screws. Tighten to 9.6 N∙m
(85 in∙lbf).
3. Connect J1 to the power distribution PCB.
4. Connect L1 to the front fuse and L2 to the back fuse and tighten the screws. Tighten to
hand-tight.
5. Install the fuse covers.
6. Install the control-side panel.