I'll be happy to help you in any way I can, but don't visit Sailnet as often as I'd like.
Instead, contact me directly at firstname.lastname@example.org
and I will provide anything I can.
I'll have to look up the paperwork (manual) and scan it into a pdf for it.
I think that, if you do research on replacing windows, you'll find that the use of butyl tape to bed the wind as it is set into the frame is deemed to be the best solution. You will want to avoid using the typical marine adhesives - particularly 3M 4200 or 5200.
Here's some information on the subject. If you haven't visited the C&C Owner's site yet, this will give you a source of additional information to supplement what you can find on Sailnet. Portlight Replacement