OM-193 084 Page 21
4-4.
Lift-Arc Trigger Hold TIG
1
TIG Electrode
2
Workpiece
.
Procedure requires:
Start sequence:
•
Touch tungsten electrode to
workpiece at weld start point.
•
Momentarily depress output
switch.
•
Slowly lift electrode. An arc will
form when electrode is lifted.
•
To stop welding, momentarily
depress output switch and out-
put will shut off.
Note: If output switch is momen-
tarily depressed and tungsten is
not touching workpiece:
Do not touch tungsten to work.
Output will shut off in 3 seconds.
Start sequence over.
1
1 – 2
Seconds
“Touch”
Do NOT Strike Like A Match!
2
Ref. S-156 279
control