We may have found other answers which could help you.
Click here for Position Not MarkFrister & Rossmann cub 7?
Parts spares?
Sew-tric ltd variable speed motor built 1982 6000rpm r007327?
Singer zigzag 457 Stylist not threading bobbin/making stitch?
Toyota SL3404D Overlocker leaving big loops?
How can I mend my Frister & Rossmann sewing machine?