Complete Parts List is available at www.MillerWelds.com
OM-259 355 Page 33
6-4. Lift-Arc
t
TIG With Crater-Out And Auto-Stop
t
WM Marketing
Arc Start With Lift-Arc
Arc End With Crater-Out
Arc End With Auto-Stop
1
2
1
2
1
2
3
3
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
Summary of Contents for Big Blue 300 PRO Series
Page 33: ... Complete Parts List is available at www MillerWelds com OM 259 355 Page 29 Notes ...
Page 51: ... Complete Parts List is available at www MillerWelds com OM 259 355 Page 47 Notes ...
Page 59: ...OM 259 355 Page 55 240 670 C ...
Page 60: ...OM 259 355 Page 56 Figure 10 2 Circuit Diagram For Welding Generator With Kubota Engine ...
Page 61: ...OM 259 355 Page 57 253 845 B ...
Page 62: ...OM 259 355 Page 58 Figure 10 3 Circuit Diagram For Welding Generator With Mitsubishi Engine ...
Page 63: ...OM 259 355 Page 59 250 149 B ...
Page 74: ...OM 259 355 Page 70 Notes ...