This 2008 manual will probably cover everything a 2006 manual had. In fact, they may be identical other than the year on the cover. Appliances are not covered in the manual, such as, fridge, WH, A/C, furnace, those have their own separate manuals. You may find them in the reference library here or you can get on the manufacturers websites and download them.
This is the link to the 2006 manual:
http://www.hilotrailerforum.com/f49/...s-manual-4163/
Click on the file name and then you can print it out. It will be quite a few pages.