Igniting The Arc - Fronius TPS 320i Operating Instructions Manual

The value of the selected welding parameter can now be changed.
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Igniting the arc

The welding arc is ignited by touching the workpiece with the tungsten electrode.
Placing the gas nozzle down
Arc ignites when electrode is touched
down on workpiece
Turn the adjusting dial and change the parameter
Adjust the process parameters accordingly to make user- or application-specific set-
tings on the welding system
Open the gas stop valve on the TIG gas-valve torch
Set the desired shielding gas flow rate on the pressure regulator
Start welding (ignite the arc)
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Place the gas nozzle on the ignition location so that
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there is a gap of 2-3 mm (0.08 - 0.12 in.) between
the tip of the tungsten electrode and the workpiece
Gradually tilt the welding torch up until the tungsten
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electrode touches the workpiece
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