I've had mine apart twice now. Both times one of the grand kids flushed a towlette that clogged up the impeller. I was relatively easy and, in my case, not gross at all. The nasty stuff had all been flushed away. Unfortunately, my toilet is a Dometic so I can't give you specific help. Previous post have been correct. Behind the toilet you should have a water connection, sewer connection and electrical plug. I didn't want to carry the toilet across the bed to take it outside set it on the counter over the washer. (plenty of towels and a bucket, just in case. I figured, the counter, tile etc can be easily sanitized but the bed, not so much.
2012 TIFFIN 36LA
2015 Chevy Colorado