Follow WD40 with alcohol (the good stuff) and you'll be OK to glue.
Thanks guys, that helps a lot. I never cleaned up after acetone which I mostly use to clean the gluing surfaces. I will use some denatured alcohol from now on as a second cleaning - and limit the use of WD40.
“Though I could not caution all, I still might warn a few; Don’t lend your hand to raise no flag atop no ship of fools.” Robert Hunter