Hypertherm Powermax 85 Service Manual

Component ReplaCement
powermax 65/85 Service Manual 6-5
Replace the power cord
For wire sizes, see Extension cord specifications in Section 2, Power Supply Setup.
Replace the power cord (200 – 600 V 3-phase CSA, 400 V 3-phase CE)
This section describes the procedures for replacing the power cord on 3-phase power supplies.
Remove the existing 3-phase power cord
1. Turn OFF the power, disconnect the power cord, and disconnect the gas supply.
2. Remove the power supply cover and Mylar barrier. Refer to page 6-2 Remove and replace the power supply
cover and Mylar
®
barrier.
3. Loosen the set screws that secure the three power wires to the top of the power switch.
Note: For CSA models, use a #2 Phillips screwdriver. For CE models, use a #1 Phillips screwdriver.
L1
L2
Power switch
Ground screw
Strain relief
retention nut
L3
Strain relief nut
inside power
supply

Hypertherm Powermax 85 Specifications

General

Gas Supply	Clean, dry, oil-free air or nitrogen
Cooling Method	Fan-cooled
Input Voltage	200-600V, 3-phase
Current Output	25-85 A
Duty Cycle	60% @ 85 A
Recommended Gas Inlet Flow Rate/Pressure	6.7 scfm @ 85 psi
Cutting Capacity (Recommended)	1" (25 mm)
Gas Type	Air/Nitrogen