Grinding noise ocasioned by electromagnet scraping the coil. Solution?
I disassembled my floor fan because it was making a grinding noise that wouldn’t let me sleep. I then proceeded to lubricate all attatchments, as well as the gearbox (cleaning it all up, of course), but the noise persisted and I found out that the electromagnet in the middle is grinding the coil. Since the shaft of it is supported by two attatchments (they pivot if you move the shaft on one end to the side), they supposedly stay leveled when the shaft is spinning, but even so, the electromagnet in the middle grinds the inner sides of the coil. What can I do to fix this?