Tweco Auto Darkening Welding Helmet - Manual (Page 25)

AUTO-DARKENING WELDING HELMET OPERATION
Manual 0-5045 3-4
3.04 Removing the Auto-Darkening Filter Lens
The Auto-Darkening Filter Lens can be removed for service, adjustments, replacement and to change the battery.
1. Remove the Front Cover Lens. Refer to Section 3.03.
2. Locate the two locking tabs inside the helmet that secure the Auto-Darkening Filter Lens and push them firmly
downward until they clear the bottom corners of the lens. Refer to the image below (Rear Cover Lens removed for
clarity).
Locking Tabs
Auto Darkening Lens
3. Gently push the bottom of the Auto-Darkening Filter Lens inward from the outside of the helmet taking care not
to scratch or mar the front lens surface. Pull the lens out of its mounting slot from within the helmet and handle
it carefully. Refer to the image below (Rear Cover Lens removed for clarity).