Hypertherm Powermax30 XP Service Manual - Manual (Page 169)

Powermax30 XP Service Manual 808150 Revision 1 169
6 – Power Supply Component Replacement
Remove and install the ground clamp
1. Set the power switch to OFF (O), disconnect the power cord from the power source, and disconnect the gas supply.
2. Slide down the black plastic sleeve on the handle of the clamp where the work lead is connected.
3. Straighten out the bent tabs that hold the work lead in place. See Figure 100.
4. Loosen the screw that connects the work lead to the clamp.
5. Remove the work lead from the clamp, and discard the old clamp.
6. On the replacement clamp, slide down the black plastic sleeve on the handle of the clamp where you want to
connect the work lead.
 You can attach the work lead to either of the clamp’s handles.
7. Thread the work lead through the plastic sleeve you removed in the previous step and then through the slots inside
the handle that act as a strain relief.
8. Line up the hole in the wire terminal with the hole in the handle of the ground clamp.
9. Insert the screw through the handle and the ring terminal on the end of the lead, and fasten it with the kepnut. Tighten
the screw to 23.0 kg-cm (20 inch-pounds).
10. Fold the metal tabs over the wire to attach the wire to the handle. See Figure 100.
11. Slide the plastic sleeve over the handle of the new ground clamp.