Hypertherm Powermax 125 Service Manual

Powermax125 Service Manual 808070 243
9 – Power Supply Component Replacement
8. Lift up the end of the power supply base, and carefully
slide the front panel against the base.
9. Tighten the 3 mounting screws in the bottom of the front
panel to 23 kg-cm (20 inch-pounds).
10. Secure the electrode wire to the power board at J28 by
tightening the screw to 23 kg-cm (20 inch-pounds).
11. Secure the output inductor wires to the power board by
tightening the screw to 40.3 kg-cm (35 inch-pounds).
12. Complete the following procedures:
a. Install the fan shroud on page 216.
b. Install the end panel bracket on page 175.
c. Install the component barrier on page 173.
d. Install the power supply cover on page 172.
e. Reconnect the power and gas supply.
Figure 98
Front panel mounting screws
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