We may have found other answers which could help you.
Click here for Needle Middle MachineHow can I mend my Frister & Rossmann sewing machine?
The thread loops under the fa?
How do fill a bobber?
Frister & Rossman Cub7 Sewing Machine?
Stuck Feed dog?
Sew-tric ltd variable speed motor built 1982 6000rpm r007327?