I skinned my take down recurve a few years ago now. I roughed up the surface with 150 grit sand paper. Nothing to rough but enough to "clean" the surface.
I wiped that off with a damp rag and let it air dry.
I then used TiteBond III to glue the skins down. Work out all the air bubbles. Take your time, they're everywhere!
After the skins have dried for an hour or two I trimmed the edges of the skins. Once completely dry, 24 hrs., I used packaging tape and removed the scales. This takes time and patience also. You don't want to leave any scales behind.
I then applied TruOil, several coats, by hand. After that I sprayed it with a flat polyurethane spray. Again, several coats.
Not sure my process is the right way but my skins haven't come off or gotten damaged. And I get some compliments every now and then.
The hardest part is going after your bow with 150 grit sandpaper.
Good luck!
-Jeremy