Valve torch SR/ABITIG
5.1 Valve wheel
6 Putting out of operation
7 Maintenance and cleaning
®
1 Open valve = gas flows
2 Close valve = welding is stopped.
1 Switch off power source.
2 Close the valve of the shielding gas cylinder.
DANGER
Risk of injury due to unexpected start-up.
For the entire duration of maintenance, servicing, dismounting and repair
work, the following instructions must be adhered to:
• Switch off the power source.
• Close off the gas supply.
• Pull the mains plug.
Sharpening the tungsten electrode
Sharpening the tungsten electrode depends on wear and must therefore be
carried out when required.
Fig. 2
Sharpening the tungsten electrode
DANGER
Health hazards caused by radioactive substances
Radioactive substances are released during welding and sharpening of
tungsten electrodes containing thorium.
• Use a suitable extractor unit.
To sharpen the tungsten electrode, use a sharpening device with a diamond
disc.
6 Putting out of operation
EN - 7