Originally Posted by
ndnchf
I just got the ultrasonic recently for other purposes. . . I wouldn't put a painted and decaled part in it,
my husband did that by accident with a bobbin winder still attached to the belt guard. He realized his mistake right away, but it was already too late for the decals on the belt guard.
We also got a tumbler with steel pins, and that helps to shine them up after they are clean.