Just to let you know of an option when you rebuild. I had problems even after oxidizing with shorts. Now I use the cigarette paper method when I rebuild a SS mesh atty. Wrap a piece of cig paper (minus the glue strip) one time around the mesh then wrap the coil. Do a dry burn and fill. Works every time now. Before even with a good oxidizing I'd get shorts and fry the
coils about 1/2 the time.