Lift-Arc Trigger Hold Tig - Unitor UWI 400 Owner's Manual

5-4. Lift-Arc Trigger Hold TIG

1
1 − 2
"Touch"
Seconds
Do NOT Strike Like A Match!
2
1 TIG Electrode
2 Workpiece
.
Procedure requires:
control
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.
Ref. S-156 279
OM-202 137 Page 25