Lift-Arc Tig Welding Mode - Gtaw Process - Miller 907161012 Owner's Manual

12-3. Lift-Arc TIG Welding Mode - GTAW Process

7-3. Lift-Arc TIG Welding Mode — GTAW Process
Weld terminals are energized at all
times in Lift Arc TIG welding mode.
1 Mode Switch
2 Volts Indicator
3 Left Display
4 Right Display
5 Amps Indicator
6 Adjust Control
7 Workpiece
8 Tungsten Electrode
Setup
For typical system connections refer to Sec-
tion 7-1.
OM-2254 Page 28
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Complete Parts List is available at www.MillerWelds.com
2 3
1 3. 5
"Touch"
8
7
Rotate Mode Switch to LIFT-ARC TIG posi-
tion as shown.
The preset amperage is shown in the Right
Display with the Amps Indicator lit.
Operation
The Adjust Control is used to set desired
preset amperage.
A remote control is required to turn on the
weld output.
To start welding, momentarily depress out-
put switch. Touch tungsten electrode to
workpiece at weld start point. Slowly lift elec-
trode. An arc will form when electrode is
lifted. If welding arc is not established within
4
5
8 5
1
1 2
Seconds
Do NOT Strike Like A Match!
3 seconds, output will turn off. To stop weld-
ing, momentarily depress output switch and
output will shut off.
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If a remote control is used for amper-
age adjustment, the adjustment will
function as a percentage of the preset
amperage.
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For best results, firmly touch the tung-
sten electrode to the workpiece at the
weld start point. Hold electrode to
workpiece for 1-2 seconds, and lift
electrode. An arc will form when the
electrode is lifted. To minimize arc flare
at the end of the weld, pull back the
electrode quickly to extinguish the arc.
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OM-2254 Page 7