40
TIG welding
General
NOTE!
Do not use pure tungsten electrodes (colour-coded green) if the TIG welding pro-
cess has been selected.
Connecting the 
gas cylinder
WARNING!
Danger from falling gas cylinders.
This can result in serious injury and damage to property.
► Place gas cylinders on a solid, level surface so that they remain stable. Secure gas cyl-
inders to prevent them from falling over.
► Observe the safety rules of the gas cylinder manufacturer.
1
Preparatory work  Press the On/Off button for at least two seconds to turn off the power source
- the indicators go out
Plug the TIG welding torch into the (-) current socket and turn it clockwise to latch it in 
place
Set up the welding torch in accordance with the welding torch operating instructions
Plug the grounding cable into the (+) current socket and turn it clockwise to latch it in 
place
Use the other end of the grounding cable to establish a connection to the workpiece 
CAUTION!
Risk of injury and damage from electric shock.
As soon as the power source is switched on, the electrode in the welding torch is live. Make 
sure the electrode does not touch any persons or electrically conductive or earthed parts 
(e.g. the housing, etc.).
 Press the On/Off button for at least two seconds to turn on the power source
-  the welding current indicator lights up
- the display shows the specified welding current
1
1
2
4
5
6