Apple IIc FD Faceplate Removal for RetroBrite Process

Hi,

  I got my first AIIc.  It is pretty easy to take apart and clean up.

But the FD faceplate does not want to release. This is after I have removed the FD from the case and took it's top cover off.

It has 4 flathead screws on the sides. 2 go into metal and they come out normally.

But the other 2 go into the black plastic disk guides. They just spin when I attempt to unscrew them.

What is the trick to removing these screws?

The FD white plastic is really yellow and should be retro-brited.

Whatever help the comunity could provide would be most appreciated

Thanks