EWM T 4.00 - AC/DC Comfort 2.0 Operating Instruction page 55

1 Preparation
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Switch off the welding machine.
•
Unscrew the gas nozzle from the welding torch.
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Unfasten the tungsten electrode and extract.
2 Configuration
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Activate the
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Release rotary knob.
•
You can now use the
3 Alignment/measurement
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Applying slight pressure, press the welding torch with the collet against a clean, purged location on the
workpiece and then press the torch trigger for approx. 2 seconds. A short-circuit current will flow
briefly, which is used to determine and display the cable resistance. The value can be between 0 mΩ
and 60 mΩ. The new value is immediately saved without requiring further confirmation. If no value is
shown on the right-hand display, then measurement failed. The measurement must be repeated.
4 Restoring welding standby mode
•
Switch off the welding machine.
•
Lock the tungsten electrode in the collet again.
•
Screw the gas nozzle onto the welding torch.
•
Switch on the welding machine.
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21.10.2016
rotary knob while switching on the welding machine at the same time.
rotary knob (rotate and press) to select the parameter rL > see 4.7 chapter.
Welding procedure
TIG welding
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