Sewing Machine Maintenance Made Simple

Some repairs do require the attention of a professional, but don't be intimidated. If you're attentive and careful you can do quite a bit of sewing machine maintenance yourself.

sewing machine maintenance - stitching sample
Some samples of stitching from good to bad to worst. If you've adjusted the bobbin tension spring, and the stitching on the underside of the material has multiple small, irregular loops as in the top sample, you probably have the machine threaded incorrectly.
Duane Sommerfield