Welcome Gregg-
I could answer many of your questions, but, an 85 is about 15 years older than mine so I am not sure if the answers would be germaine. Others will be along- but give it a bit of time as it is early in the season for many of us and not everyone is back to checking on a regular basis.
I'll leave the bunk bed to someone else. Mine never had one.
The drain valve for my freshwater tank is on the front curbside of my freshwater tank which, itself, is in the front of my trailer. It is a little cock valve and it should drain the tank.
City water hook up on mine is on the drivers side of the trawiler- accessible when the trailer is up. I've seen them located mid coach or towards the the front .
do a search for "adjusting cables" on the forum. Many posts on the subject. Also- check the library for a manual near your year. Anything within a couple of years will work.
I believe stabalizer jacks were an option. You may not have them installed.
Good luck- Rick
PS- try this one:
http://www.hilotrailerforum.com/f49/...o-models-3467/
or this one (better pictures)
http://www.hilotrailerforum.com/f49/...-classic-2016/
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