We may have found other answers which could help you.
Click here for Too Manual MachineHow to switch on light of sewing machine?
The thread loops under the fa?
Presser foot level, needle and thread guide have fallen out?
How do fill a bobber?
How can I mend my Frister & Rossmann sewing machine?
Singer zigzag 457 Stylist not threading bobbin/making stitch?