Here's some light reading to get you started.
http://classicaquasport.com/smf/index.php?topic=11399.0Same deal here, just a slight less detail.
http://classicaquasport.com/smf/index.php?topic=7600.0Yes, these are both Osprey models but......
The hulls are the same as yours.
You won't have a console to remove.
It appears that you will need to add a hatch (if so please note what the members encountered).
Last post in 2nd. thread is interesting in that it hints that there is a possibility of a poly tank. <!-- s:scratch: -->
<!-- s:scratch: --> Open a plate to confirm. I would have guessed alum. but if it is poly, you should be in good shape corrosion wise.
Good luck.