Hypertherm Powermax45 Service Manual - Manual (Page 65)

operation
powermax
45 Service Manual 4-5
To adjust the pressure:
1. Turn the amperage knob counter-clockwise to the gas-test position as shown below.
2. With the amperage knob in the gas test position, pull up on the pressure regulator knob on top of the system to
unlock it.
3. Turn the pressure regulator knob until the gas pressure LED shows a green bar in the center of the pressure bar.
4. Press down on the pressure regulator knob to lock it in position.
5. Turn the amperage knob to the cutting current appropriate for your application. If you are using T30v
(Powermax30) 30 A consumables, do not set the amperage knob above 30 A.
45
30
40
40 20
45 AMPS
30
Pressure regulator knob