Years ago Atwood started removing the general/internet availability of information for their products; probably due to legal concerns about DIY work. They are quick to recommend you go to a shop rather than attempt self service if you call for help/insight. However, Atwood is pretty good at supplying parts if you know what you need so the part names in the link below might be of some assistance.
That noted, some material on earlier generations can still be found on the net that might help you figure out your install challenge. For example:
As for pictures and a 'how-to' thread on the forums, I haven't seen one. There are some about the Suburban for whatever insight that provides.