While you wait for answers, we may have found some information which could help you.
Click here for Frister Sewing Machine Rossmannew motor for Frister rossman cub 4 where can I buy?
frister rossman zig zag stitch?
How can I mend stuck hand wheel frister rossman panda 6 mk2?
Frister Rossman cub 3 - How to take it apart?
How can I mend my frister rossman cub 3?
where can I get a free manual for my Frister Rossman Cub 4 sewing machine?