I have a 2004 Sunnybrook travel trailer and the owners manual is pretty generic with little specific information about the rig. I don't think you will get much help from it. The tank sizes are not listed but they are usually listed on the advertisements or specs of the rig someplace. I really don't think there would be any difference between the '05 and '06 rigs in tank sizes.
In my opinion, the best thing to do is look around and see how things are put together. Most problems can be taken care of without the use of any type of manual. The items that you do need a manual for are the appliances. Manuals for most of those can be downloaded from
this site owned by forum member Chris Bryant.
On my trailer, the gray and black tanks are about 35 gallons and the galley tank is about 21 gallons. I don't know that the 5th wheel tanks are a lot different but they could be.
As far as the slide out manual crank goes, crawl under your rig and find the motor. It should be visible at the end of one of the slides and has a long rod extending out from it to the other side of the slide.
On the bottom of the motor sticking down is a square lug where you put the slide crank or attach an electric drill. Turn this lug and the slide will move VERY slowly. As far as I know, there is no place on the side of the slide to insert any type of crank - you must crawl underneath the unit to operate it.
Hope this helps a bit. :)
Barney
