Siezed regulating screws

[Paul Chick (Earthlink)]

Subject: Re:Siezed regulating screws

Before scorching the wood, I recommend  trying a tiny
drop of center pin lube, first.
     Thump

If you're scorching the wood/rail, your soldering iron is too big and too
hot.  A pencil point tip resting on or in the seized screw is all the
contact you need.

Paul C