While you wait for answers, we may have found some information which could help you.
Success
Message
Bernina Update 1630 work light not working?
Toyota SL3404D Overlocker leaving big loops?
Sewing machine starts on its own?
How can I mend my Frister & Rossmann sewing machine?
Frister & Rossmann cub 7?
Frister & Rossman Cub7 Sewing Machine?
Delta NM 902?
Stuck Feed dog?
Parts spares?
How do fill a bobber?
The thread loops under the fa?
Singer 188K1 presser bar stuck?