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