4-2
O
PERATION
Operator Manual
CONTROLS AND INDICATORS
• Green POWER ON LED
When illuminated, indicates that the Power Switch has been set at I (On).
• Green READY LED
When illuminated, indicates that the safety interlocks are satisfied.
• Yellow PRESSURE LED
When illuminated, indicates that the air pressure is below 40 psi (2.8 bar).
• Yellow TORCH CAP LED
When illuminated, indicates that the torch retaining cap is loose.
• Yellow OVER-TEMP LED
When illuminated, indicates that the power supply has overheated.
• AMPS-GAS TEST/SET Adjustment Knob
Adjusts output current between 16 and 25 amps. The GAS TEST/SET position allows adjustment
of the air pressure.
• Pressure Regulator Adjustment Knob
Regulates input gas pressure to the power supply.
• Pressure Gauge
Indicates gas pressure at the power supply.
• ON (I)/OFF (0) Power Switch
Activates the power supply and its control circuits.
Figure 4-1 Powermax350 Controls and Indicators
Green
Yellow
ON (I)/OFF (0)
Power Switch
Pressure
Gauge
Pressure Regulator
Adjustment Knob
Rear
Front
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