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MAINTENANCE
powermax30
Service Manual
3-33
Replace the control board
1. Turn OFF the power, disconnect the power cord, and disconnect the gas supply.
2. Remove the 2 screws from the handle on the top of the power supply. Remove the handle and then lift the
cover off the power supply. Remove the Nomex barrier that protects the power board.
3. Remove the front endcap, or gently tilt it away from the base.
4. Detach the ribbon cable from the power board.
5. Test the new control board before installing it by attaching its ribbon cable to the power board. Reconnect the
power, turn the system on, and verify that the Start LED on the control board is the only LED illuminated. Also,
the fault LEDs on the front panel should be extinguished.
6. Disconnect electrical power and the ribbon cable again, and set aside the new control board.
7. Remove the 3 retaining screws from the old control board and lift it out of the power supply.
8. Screw the new control board into place with the 3 retaining screws and then attach the ribbon cable.
9. Reposition the front endcap. Make sure that the screw hole in the ground clip aligns with the screw holes in the
endcap and the power supply.
10. Being careful not to pinch any of the wires, replace the Nomex barrier and slide the cover back onto the power
supply. Make sure that the bottom edges are in the tracks. Position the handle over the holes in the top of the
cover, then use the 2 screws to secure the cover.
11. Reconnect the electrical power and the gas supply.
Control board
Ribbon cable
Caution:
Static electricity can damage circuit boards.
• Use proper precautions when handling printed circuit boards.
– Store PC boards in anti-static containers.
– Wear a grounded wrist strap when handling PC boards.
Содержание Powermax 30
Страница 1: ...Plasma arc cutting system Service Manual 805170 Revision 2 ...
Страница 11: ...TABLE OF CONTENTS viii powermax30 Service Manual ...
Страница 77: ...MAINTENANCE 3 38 powermax30 Service Manual ...
Страница 85: ...PARTS 4 8 powermax30 Service Manual ...
Страница 86: ...powermax30 Service Manual 5 1 Section 5 WIRING DIAGRAM In this section Electrical schematic 5 3 ...
Страница 87: ...WIRING DIAGRAM 5 2 powermax30 Service Manual ...