We may have found other answers which could help you.
Click here for Cord Going MachineDelta NM 902?
Sew-tric ltd variable speed motor built 1982 6000rpm r007327?
Sewing machine starts on its own?
How do fill a bobber?
Frister & Rossman Cub7 Sewing Machine?
Toyota SL3404D Overlocker leaving big loops?