While you wait for answers, we may have found some information which could help you.
Click here for Replace Frister RossmannThe thread loops under the fa?
Parts spares?
Presser foot level, needle and thread guide have fallen out?
Sewing machine starts on its own?
Sew-tric ltd variable speed motor built 1982 6000rpm r007327?
How can I mend my Frister & Rossmann sewing machine?