ATD ATD-3721 - Manuals

WARNING : Severe personal injury could occur if the user fails to follow the above-mentioned warnings, and/or fails to follow the operating instructions. TROUBLESHOOTING z Irregular darkening or dimming Headband has been set unevenly and there is an uneven distance from the eyes to the filter’s lens...

z The ATD auto-darkening welding helmet comes assembled but before it can be used it must be adjusted to fit the user properly and set up for response time, sensitivity and shade level. ADJUSTING THE FIT OF THE HELMET z The overall circumference of the headband can be made larger or smaller by rotat...

REPLACING FRONT OR REAR COVER LENS. z When the front or rear cover lens becomes damaged (cracked, scratched, stained or pitted) you must replace it. Place your finger or thumb into the recess at the bottom edge of the window and flex the window upwards until it releases from one edge. (Replacement o...