beautypg.com

Component replacement, Power cord replacement, Danger – Hypertherm Powermax1250 Service Manual User Manual

Page 67: Powermax1250

background image

MAINTENANCE

3-34

powermax1250

Service Manual

4

Power cord replacement

Disconnect the electrical power and the gas supply before removing the old power cord.

1. Remove the power supply cover.

2. Insert the new power cord through the strain relief.

3. Install the power cord connections as shown below.

4. Tighten the strain relief onto the power cord.

5. Install the power supply cover.

6. Reconnect the electrical power and the gas supply.

DANGER

ELECTRIC SHOCK CAN KILL

• Use extreme caution when working near live electrical circuits. Dangerous voltages exist inside the

power supply that can cause serious injury or death.

• See warnings on page 3-7 before proceeding.

Component replacement

Single-phase

Three-phase

Ground (PE)

Ground (PE)

L1 (U)

L2 (V)

L3 (W)

L1

L2

Standard unit

L1

Black

L2

White

PE

Green

Standard unit

CE unit

L1

Black

Black (U)

L2

White

Blue or Grey (V)

L3

Red

Brown (W)

PE

Green

Green/Yellow