Amperage adjustment knob
30
Set this knob to the gas test position (fully counter-clockwise) before adjusting the gas pressure with
40
the pressure regulator knob on the top of the power supply. Once the gas pressure is set, turn the knob
45
clockwise to set the output amperage. The torch will not fire when the knob is in gas-test position.
Mode switch and leds
The mode switch can be set in one of three positions:
• Continuous pilot arc to cut expanded metal or grate (top).
• Non-continuous pilot arc to cut metal plate (middle).
• Gouging (bottom).
After you change the mode switch, verify that the gas pressure is still set correctly. Different modes of
cutting require different pressure settings.
Rear controls
200–240 V CSA / 230 V Ce
I
O
operate the Powermax45
Follow the steps below to begin cutting or gouging with the Powermax45.
Connect the electrical power and gas supply
Plug in the power cord and connect the gas supply line. For more information about the electrical requirements and the
gas supply requirements of the Powermax45, see the Power Supply Setup section.
powermax
45 Service Manual
400 V Ce / 480 V CSA
I
O
oN (I)/off (o) power switch
Activates the power supply and its control circuits.
operation
4-3