deskthority

If you want to rust your springs, use peroxide.

Anyway, for the noobs, there are two kinds of stabilizers. Cherry, which is the one here, is a wire stabilizer with a "dummy" stem attached so you can easily remove and attach keys. The wire goes under the plate.

The other kind is Costar where there ...

It's possible there is junk in the switches and that's why it was "refurbished" in the first place.

If you are going to clean a switch use isopropyl alcohol to clean while not damaging the plastic.