Hypertherm Powermax 125 Service Manual

238 Powermax125 Service Manual 808070
9 – Power Supply Component Replacement
Replacing the output inductor
Remove the output inductor
1. Complete the following procedures:
a. See Disconnect the power and gas supply on page 166.
b. See Remove the power supply cover on page 172.
c. See Remove the component barrier on page 173.
d. See Remove the end panel bracket on page 174.
e. See Remove the fan shroud on page 216.
2. Remove the screw at J28 that secures the electrode wire to the power board.
3. Remove the screw securing the output inductor wires to the power board.

The power board in Figure 95 is a CSA model. The connections for the output inductor
wires and the electrode wire are the same for all models.
Figure 95
Kit number Description
428125 Kit: Powermax125 output inductor
J22 J21 J20 J19
J27
WORK
LEAD
J26
J25
+
_
+
_
RED
J18
ORG
J17
RED
J32
J11
B
R
J28
C152 C151
TP7
TP9
TP8
W
R
B
Output inductor wires mounting
screw
Electrode wire mounting screw (J28)
Power board

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