Owner`s manual

OM-236 948 Page 33
6-4. Lift-Arct TIG With Crater-Out And Auto-Stopt
WM Marketing
Arc Start With Lift-Arc
Arc End With Crater-Out
Arc End With Auto-Stop
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Arc Start With Lift-Arc TIG
Lift-Arc is used for the DCEN
GTAW process when HF Start
method is not permitted.
Select Lift-Arc at Process/Contac-
tor switch.
Turn gas on.
1 Touch or scratch.
2 Lift at any angle.
Touch tungsten electrode to
workpiece at weld start point.
Slowly lift electrode. Arc is started
when electrode is lifted.
Maintain shielding gas coverage
and eliminate tungsten and work-
piece contamination by using
Auto-Crater or Auto-Stop to end
the arc.
Arc End With Crater-Out:
Momentary contact switch re-
quired to start crater-out.
1 While welding.
2 Close momentary contact
switch to start Crater-out end
(current is reduced).
3 Shielding gas continues until
shut off.
Arc End With Auto-Stop:
1 While welding.
2 Lift torch to start Auto-Stop.
Arc stops.
3 Move torch back down to
maintain gas coverage and
prevent contamination.
OR