seats recovering

Hi I wonder how you can loosen the seats in the cockpit, i know that some of them is mounted with screws but some of them you cant see the backside because they are behind the interior coating inside the boat so i wonder if they are mounted with glue so you can breach them loose from the wall...

I have finally decided to spend $1800.00 to recover the seats above the cabin. I am having trouble finding the screws holding the back rest of the passenger lounge seat. Photos at http://acroflyer.com/boatseats.htm The back side of the rest is in the cabin, and looks like it is behind a...