While you wait for answers, we may have found some information which could help you.
Success
Message
Sewing machine starts on its own?
Bernina Update 1630 work light not working?
How do fill a bobber?
The thread loops under the fa?
Toyota SL3404D Overlocker leaving big loops?
How can I mend my Frister & Rossmann sewing machine?
Frister & Rossmann cub 7?
Stuck Feed dog?
Frister & Rossman Cub7 Sewing Machine?
Delta NM 902?
Parts spares?
Sew-tric ltd variable speed motor built 1982 6000rpm r007327?