Hypertherm Powermax30 AIR Service Manual - Manual (Page 182)

182 Powermax30 AIR Service Manual 808850
6 – Power Supply Component Replacement
Remove and install the ground clamp
1. Set the power switch to OFF (O), and disconnect the power cord from the power source.
2. Slide down the black plastic sleeve on the handle of the clamp where the work lead is connected.
3. Straighten the bent tabs that hold the work lead in place. See Figure 92.
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 moved in the previous step and then through the slots inside the
handle.
8. Line up the hole in the ring 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 34.6 kg∙cm (30 inch∙pounds).
10. Fold the metal tabs over the wire to attach the wire to the handle. See Figure 92.
11. Slide the plastic sleeve over the handle of the new ground clamp.
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