While you wait for answers, we may have found some information which could help you.
Success
Message
Stuck Feed dog?
How can I mend my Frister & Rossmann sewing machine?
Singer zigzag 457 Stylist not threading bobbin/making stitch?
Sewing machine starts on its own?
How do fill a bobber?
Sewing machine issue?
Parts spares?
The thread loops under the fa?
Toyota SL3404D Overlocker leaving big loops?
Sew-tric ltd variable speed motor built 1982 6000rpm r007327?
Frister & Rossmann cub 7?
Bernina Update 1630 work light not working?