Hypertherm Powermax30 XP Service Manual - Manual (Page 155)

Powermax30 XP Service Manual 808150 Revision 1 155
6 – Power Supply Component Replacement
9. Remove the amperage adjustment knob from the front of the power supply by pulling it away from the front panel. (It
does not have a set screw.) Set the knob aside.
10. Remove the 3 retaining screws from the control board, and lift it out of the front panel. Set aside the control panel
and its screws.
Figure 86
11. Disconnect the torch lead from the power supply. See Remove the torch lead and strain relief on page 133.
12. Disconnect the work lead from the power supply. See Remove and install the work lead on page 167.
Install the front panel
1. Push the new front panel into the power supply base to re-engage the snaps.
2. Tighten the retaining screw to a torque setting of 8.1 kg-cm (7 inch-pounds).
3. Attach the control board to the new front panel with the three retaining screws.
4. Press the amperage adjustment knob onto the post on the new front panel.
5. Reinstall the work lead and the torch lead. See Remove and install the work lead on page 167 and Install the torch
lead and strain relief on page 137.
6. Connect the control panel ribbon cable to the power board, and fold the latches up to hold it in place.
7. Complete the following procedures:
a. See Install the component barrier on page 91.
b. See Install the power supply cover on page 89.
c. Reconnect the gas supply and power cord, and set the power switch to ON (I).
1
2
3
4
1 Front panel
2 Ribbon cable
3 Power board
4 Control board