How to mend Singer Sewing Machine Model

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

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

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

How can I fix a reverse problem in my sewing machine?

singer HD110?

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

Singer model 750 Golden touch and sew?

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

Engine revving up ?

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

singer foot pedal ?

Singer 507?

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

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

Why does a sewing machine motor overheat?

Machine Stuck in Reverse?

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

1965 Singer 275k sewing machine foot pedal?

pedal machine Singer serie K10736204?

Bobbin won't wind?

Singer 6234 Tension problems?

Replacing a gear in Singer Stylist 457?

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

Singer zigzag 457 Stylist not threading bobbin/making stitch?

machine motor running the wrong way?

Presser foot is loose?

Singer 188K1 presser bar stuck?

how to get the tension right on my machine?

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

obtain?