Uploaded February 2020 | Updated September 2026, 9 hours ago
A tutorial for checking and setting the height of the index pins on Singer 401A and 500A. The index pins control the height of the followers that trace the cam stack pattern cams/discs. Do it yourself. Singer model 401A adjustments playlist; youtube.com/playlist?list=PLsCOZgzzaiKLiDl9yFTP6mJgQmz5lj4NO
MUSIC: Castleshire by Chris Haugen, YouTube Audio Library
A tutorial for checking and setting the height of the index pins on Singer 401A and 500A. The index pins control the height of the followers that trace the cam stack pattern cams/discs. Do it yourself. Singer model 401A adjustments playlist; youtube.com/playlist?list=PLsCOZgzzaiKLiDl9yFTP6mJgQmz5lj4NO
MUSIC: Castleshire by Chris Haugen, YouTube Audio Library










