Originally Posted by
Suze9395
Please don't use WD40, it is not a good option for lubricating sewing machines. It leaves a residue that attacks dust and lint and will become gummy and cause more issues.
Please don't use WD40. Mom and I bought Pfaffs in the 70's and it was the thing to use WD40 on them. Needless to say they became sticky and gunky and was a real mess. The dealers soon learned it was not the thing to do. I know this from experience.