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