Hypertherm Powermax 125 Service Manual

224 Powermax125 Service Manual 808070
9 – Power Supply Component Replacement
5. Remove the gas fitting from the rear panel.
6. Remove the 3 mounting screws around the gas fitting on the rear panel.
Figure 83
7. Remove the gas filter assembly from the power supply.
Install the gas filter assembly
1. Remove the filter bowl, retaining nut, and filter element from the new gas filter assembly. (See Figure 32 on
page 168.)
2. Position the new gas filter assembly in the power supply.
3. Tighten the 3 mounting screws in the rear panel to 23 kg-cm (20 inch-pounds).
4. Lightly apply thread sealant to the gas fitting threads, and tighten the gas fitting into the bracket on the rear panel.

If applied too heavily, excess amounts of thread sealant can contaminate the gas line.
5. Align the end of the gas tube with the push-to-connect fitting, and gently push the rear panel toward the power
supply until the gas tube is fully seated.
6. Secure the ground wires to the gas filter housing by tightening the ground wire screws to 11.5 kg-cm
(10 inch-pounds).
CAUTION!
Never use PTFE tape on any joint preparation. Use only a liquid or paste thread sealant on male
threads.
Mounting screws

Hypertherm Powermax 125 Specifications

General

Output Current	30-125 A
Input Power	15.2 kW
Open Circuit Voltage	300 VDC
Gas Supply	Clean, dry, oil-free air or nitrogen
Input Power Cable Length	10 ft (3 m)
Rated Output Current	125 A
Gas Type	Air or nitrogen
Cutting Capacity	1-1/4 inch (32 mm)
Pierce Capacity	1 inch (25 mm)
Input Voltage	200-600 V, 3-PH
Duty Cycle	100% @ 125 A
Certifications	CSA
Maximum Clean Cut Thickness	1-1/4 inch (32 mm)
Cooling Method	Fan-cooled
Torch Options	Hand