Fronius TPS/i COMPACT - Igniting the Arc; Finishing Welding

Igniting the arc The welding arc is ignited by touching the workpiece with the tungsten electrode.
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1
Place the gas nozzle on the ignition location so that there is 2-3 mm (0.08 -
0.12 in.) between the tip of the tungsten electrode and the workpiece. Keep a
distance
2
Gradually tilt the welding torch up until the tungsten electrode touches the
workpiece
3
Raise the welding torch and tilt it into the normal position - the arc now ig-
nites
4
Carry out welding
Finishing weld-
ing
1
Lift the TIG gas-valve torch away from the workpiece until the arc goes out.
IMPORTANT! To protect the tungsten electrode, ensure that the shielding
gas at the end of welding flows for long enough to allow the tungsten elec-
trode to cool sufficiently.
2
Close the gas stop valve on the TIG gas-valve torch
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