Stick Start Procedure − Scratch Start Technique; Lift-Arct Tig With Auto-Cratert And Auto-Stopt - Miller Trailblazer 325 Diesel Owner's Manual

6-4. Stick Start Procedure − Scratch Start Technique

6-5. Lift-Arct TIG With Auto-Cratert And Auto-Stopt

Arc Start With Lift-Arc
1
Arc End With Auto-Crater
1
OR
Arc End With Auto-Stop
1
.
Complete Parts List available at www.MillerWelds.com
1
3
2
2 3
2 3
With Stick selected, start arc as
follows:
1
2
3
Drag electrode across workpiece like
striking a match; lift electrode slightly
after touching work. If arc goes out
electrode was lifted too high. If
electrode sticks to workpiece, use a
2
quick twist to free it.
.
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
2
Touch
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.
4
Arc End With Auto-Crater:
.
1
2
3
4
Arc End With Auto-Stop:
1
2
3
.
Electrode
Workpiece
Arc
Miller recommends Hobart filler
metals.
Touch or scratch.
Lift at any angle.
tungsten electrode to
Remote control is not needed
when using Auto-Crater.
While welding.
Lift torch slightly to start
Auto-Crater end (current is
reduced).
Lower torch. Weld current
ramps down.
Shielding gas continues until
shut off.
While welding.
Lift torch to start Auto-Stop.
(Lift higher than that needed
to start Auto-Crater.) Arc
stops.
Move torch back down to
maintain gas coverage and
prevent contamination.
Miller recommends Hobart
filler metals.
WM Marketing
OM-258900 Page 35