ATD Tools ATD-3721 user manual

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ATD-3721
XL "SOLAR" AUTO-DARKENING HELMET
READ & UNDERSTAND ALL INSTRUCTIONS BEFORE USING
The ATD Auto-Darkening Welding Helmet is designed to protect the eyes and face from sparks,
spatter, and harmful radiation under normal welding conditions. The auto-darkening filter
automatically changes from a light state to a dark state when an arc is struck, and it returns to

the light state when welding stops.

The ATD auto-darkening welding helmet comes ready for use. The only thing you ne

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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 Irregular darkening or dimming Headband has been set unevenly and there is an uneven distance from the eyes to the filter’s lens (Reset the headband to reduce the difference to filter). Auto-darkening filter does not darken or flickers • Front cover lens is dirty or damaged (change lens cover) • Sensors are dirty

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INSTRUCTIONS FOR USE WARNING! Before using this helmet for welding ensure you have read and understand the safety instructions 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 The overall circumference of the headband can be made larger or smaller by rotating the knob on the back of the headband. (See adjustment

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ADJUSTING ANGLE OF THE MASK IN THE DOWN POSITION If the lens is not properly aligned with the eyes in the down position the mask angle can be further adjusted into one of three preset positions using the tilt plate shown in fig.2. Behind each pivot knob on the sides of the helmet there is a screw that passes through the side of the mask and into one of the holes in the tilt plate (see A, B, C in fig.2). Partially loosen each screw counter-clockwise so that it withdraws out of the tilt

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MAINTENANCE REPLACING FRONT OR REAR COVER LENS. 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 of front cover lens is shown below in fig.4) CHANGING THE SHADE CARTRIDGE. (See figs.5a & 5b) FITTING NEW CARTRIDGE. Take the new shade cartridge and pass the

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Operating Temperature: -5°C to + 55°C (23°F to 131°F) Storing Temperature: -20°C to + 70°C (-4°F to 158°F) Helmet Material: High-impact resistant plastic / ABS Total Weight: 750g SHADE GUIDE TABLE Note: SMAW – Shielded Metal Arc Welding MIG (Heavy) – MIG on Heavy Metals SAW – Shielded Semi-Automatic Arc Welding TIG, GTAW – Gas Tungsten Arc Welding PAW – Plasma Arc Welding MIG (Light) – MIG on Light Alloys PAC – Plasma Arc Cutting

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