Caroline94535

I now have a Singer #161612 Special Purpose presser foot to fit my 252 machine. It is in excellent condition except there is a tiny blob of black "gunk" on the inside edge of the "ankle" or "attachment area."

I prodded it with the tip of a stylus. It has the texture of melted rubber. It does not seem to be time-hardened oil; it is jet black and rubbery. The spot is about 1/8" x 1/16" or less.

The darling little foot, made in Great Britain, seems to be made of stainless steel; would this be correct? A magnet sticks to it at both the foot and attachment areas.

What would be the best way to remove this gunk without harming the foot's finish?

The actual foot area, (the sole?), is made of very thin metal. The top part (name?) that attaches to the presser bar is thick, solid, and hefty.

tessagin

Try some Goo B Gone or Un Do/u adhesive remover. That might do the trick. I keep that stuff on hand all the time.

Caroline94535

Without having to drive an hour into town, I do have Goof-Off and Goo-Gone here. Would either of them be safe to use on the pristine surface of this foot?

You can see the dark rubber-like spots in this photo.

Rodney

Your part is most likely chrome plated steel. I wouldn't hesitate to use either product. Just don't use sharp metal to scrape it off.
On more delicate finishes you can also use sewing machine oil or even vegetable oil to remove a lot of things. Tape residue is one example.
Rodney

miriam

tar and bug remover