Hobart Welding Products OM-279 manual Setting Gas/Air Pressure, Set pressure to 70 PSI 483 kPa

3-2. Setting Gas/Air Pressure

Place controls in positions shown to adjust air pressure. Only gas/air cir- cuit is activated when the Power switch is turned On with Output Control in Gas/Air Set position.

1 Pressure Gauge

2 Pressure Adjustment Knob

Lift knob and turn to adjust pres- sure. Push knob down to lock in set- ting. Place output control in desired cutting output.

Set pressure to 70 PSI (483 kPa).

2

1

Requires 70–150 PSI

(483–1034 kPa) Supply

Select Desired

Set Controls Turn On Gas/Air Supply Adjust Pressure Amperage To Begin Cutting

Ref. ST-190 676 / Ref. ST-801 454-B

OM-279 Page 15