Drader Injectiweld Air Filter The Injectiweld Air Filter comes with simple instructions for maintenance and replacement. Injectiweld Air Filter function is essential for clean, dry air and for keeping airborne articles from contaminating the welder. To operate the Injectiweld Air Filter:- Plug the welder into your air supply and press the button on the filter to blow out the excess water or oil in your air. Blow down before pressing the trigger to weld. Keep button pressed until air looks clean coming from the filter. If your air supply makes a lot of water, continue blow down procedure periodically during the shift. Important: If oil or moisture (water vapor) enters the Drader Injectiweld Tool it would cause damage to the PCB or other internal parts |