Component replacement, Power cord replacement, Danger – Hypertherm Powermax1250 Service Manual User Manual
Page 67: Powermax1250
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
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