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OM-279 Page 15
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.
Ref. ST-190 676 / Ref. ST-801 454-B
Set Controls
Turn On Gas/Air Supply
Adjust Pressure
Amperage To
Begin Cutting
Requires 70–150 PSI
Select Desired
2
(483–1034 kPa) Supply
1
Set pressure to 70 PSI (483 kPa).