There's a couple of photo articles
on the Hunter 31 page of this site that probably have all the information you need. (Try the link at the bottom of this post)Your situation sounds the same as on my H31, and it was just a matter of VERY VERY carefully working at 1 corner of the lid with a small screwdriver, a putty knife, a sharp blade to cut the bead in the seam, carefully working it loose.... that was nerve-wracking, because I could just imagine the difficulty of getting a new cover made!Of course, there are sealants and then there are adhesive sealants. If the PO put the lid on with an adhesive, then you probably do need some kind of solvent... and the PO needs a spanking!One of the articles also talks about making a butyl rubber gasket for the lid - I didn't do that, just used (non-adhesive) sealant. That may be a better way to go.Good luck. The good news it that it isn't your holding tank!!!Cheers,Bobs/v X SAIL R 8