Uploaded February 2020 | Updated September 2026, 6 hours ago
Follow this tutorial for setting the width of the zigzag system. Formally called "setting the bight amplitude stop plates" or Zero-Out. If your zigzag width is too narrow or too wide this testing and resetting will fix that. Easy to do with just a screwdriver. Do it yourself instructions you can follow.
MUSIC: Hero's Ascent by Chris Haugen
How to set the zigzag width singer 401A, Singer 500A
Follow this tutorial for setting the width of the zigzag system. Formally called "setting the bight amplitude stop plates" or Zero-Out. If your zigzag width is too narrow or too wide this testing and resetting will fix that. Easy to do with just a screwdriver. Do it yourself instructions you can follow.
MUSIC: Hero's Ascent by Chris Haugen
How to set the zigzag width singer 401A, Singer 500A










