Hypertherm Powermax45 Mode D'emploi page 4

Powermax45 Power Switch Replacement Kit
Replace the power switch (200–240 V CSA and 230 V CE)
Before beginning this procedure, make sure you have the correct power switch for your system. The replacement kit
number for a 200–240 V CSA or 230 V CE power switch is 228266. The procedure below applies to the 200–240 V
CSA and the 230 V CE systems. The procedure for the 400 V CE and 480 V CSA systems follows on page 4.
1. Turn OFF the power, disconnect the power cord, and disconnect the gas supply.
2. Use a #2 Phillips screwdriver to remove the 2 screws from the handle on the top of the power supply. Tip the end
panels back slightly so that you can get the edges of the handle out from underneath them. Lift the cover off the
power supply. Remove the Mylar barrier that protects the power board.
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.
3. Remove the 4 screws attaching the power switch to the power supply.
4. Gently tilt the rear end panel away from the power supply.
5. Remove the screw that secures the connector for the white (CSA) or blue (CE) power cord wire to the upper side of
the power switch.
6. Remove the black (CSA) or brown (CE) power cord wire the same way.
7. Remove the quick disconnect (black wire).
8. Remove the power switch from the power supply by pulling it gently up and out to the side.
9. Remove the 2 screws that secure the black and white wires to the bottom of the power switch.
10. Remove the quick disconnect (red wire).
2
All manuals and user guides at all-guides.com
Remove these 4 screws.
CAUTION!
Powermax45 Field Service Bulletin 805880 Revision 3