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Operation for TIG Welding
(1) According to the above method to install is correct, turn the power switch to the "ON" position, the
power L.E.D. light should illuminate, the fan comes on, the device work properly.
(2) Select the LIFT TIG function with the LIFT TIG/MMA/MMA VRD selector switch.
(3) Set the weld current control knob to the desired amperage.
(4) The tungsten must be ground to a blunt point in order to achieve optimum welding results. It is
critical to grind the tungsten electrode in the direction the grinding wheel is turning.
(5) Install the tungsten with approximately 3mm to 7mm sticking out from the gas cup, ensuring you
have correct sized collet.
(6) Tighten the back cap
(7) Commence welding. If necessary, readjust the Weld Current control to obtain the welding
condition re-quired.
(8) After completion of welding the Power Source should be left turned ON for 2 to 3 minutes. This
allows the fan to run and cool the internal components.
(9) Switch the ON/OFF Switch (located on the rear panel) to the OFF.
TIG Welding Fundamentals
Stricking the arc for TIG Operation: when tungsten electrode touches the workpiece， the short-circuit
current is only 28A . After generating arc, current can rise to the setting welding current. If the
tungesten electrode touches the workpiece when welding, the current will drop to 5A within 2s, which
can reduce tungsten waste， prolong the using life of the tungsten electrode， and prevent tungsten
clipping.
2-4mm
Lift the torch
Place theTIG torch at
Scratch the electrode
an angle
with the workpiece
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