Fubag IN 190, Operator'S Manual

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O m perator's anual
- - 6
TIG m with function ode Lift Arc
The DC TIG welding requires a protective gas (argon).
Follow the steps as below :
- Connect the earth clamp on the positive (+) pole.
- Connect a TIG torch with valve on the negative (-) pole.
- Connect the pipe of the gas bottle and adjust the flow.
- Select the TIG position with the selector .
- Adjust the wished current (display ) using the keys and .
- To boot: touch the electrode on the welding part; raise the electrode 2 to 5 mm of the part to be
welded.
- At end of welding: lever 2 times the arc (up-down-up-down) to trigger the automatic fade. This
movement must be performed in less than 4 sec, at a height of 5 to 10 mm. Then close the valve
to stop the torch gas after cooling of the electrode.
This corresponds to the end of welding time required for the
gradual decline in the welding current until the stop of the arc.
This function helps to avoid cracks and craters at end of
welding.
This function is not activated (timer at 0 sec). To activate it,
proceed as follow:
- Press 3 seconds on the selector button .
- The inscription "dS" (Downslope) starts blinking then one
figure appears.
- Set the automatic arc slope you wish from 0 to 10 sec (display
) using key and .
6
1 4 5
6
1 4 5
Automatic Arc slope with time adjustable
Functjon
activation