How to mend Singer 640

My CG 500/550 Singer Sewing Machine's bobbin isn't working?

1965 Singer 275k sewing machine foot pedal?

What size needles can I use for my Singer 39a3?

Presser foot is loose?

Singer 188K1 presser bar stuck?

pedal machine Singer serie K10736204?

singer HD110?

My bobbin case for Singer 2662 will not seat right and I cannot sew?

Replacing a gear in Singer Stylist 457?

Why does a sewing machine motor overheat?

obtain?

Need a service manual for a Singer Treadle Sewing Machine Model 66-1?

Why won't my Singer Touch Tronic pick up the bobbin thread? ?

Engine revving up ?

Singer 201 went bang , smelt and now won’t work?

machine motor running the wrong way?

Singer 507?

Machine Stuck in Reverse?

Singer model 750 Golden touch and sew?

the thread is bunching on underside of fabric it looks like birdnest?

how to get the tension right on my machine?

singer foot pedal ?

Bobbin won't wind?

I'm in Australia and need a Bobbin case for a singer 196K205?

How can I replace the Top Vertical Shaft Bevel Gear for SINGER MODEL 248?

Hello zigzag industrial singer 457 u105 not stylist is missing stitches?

Singer zigzag 457 Stylist not threading bobbin/making stitch?

Singer 6234 Tension problems?

foot pedal 619490-001 CR505?

where can I get a thread guide post for a Singer Touchtronic?