Hi Justin, welcome to the FR forums!!
Did you question the previous owner about the other papers and manuals?
Maybe they have them stuck in a closet somewhere and can find them for
If not the best bet is to get a note pad and jot down each appliance
make and model #.
Then you can usually go online to each makers website and usually under
support or something like that you will find the manual you need in PDF form.
Other times you might need to call their tech support and ask but that's a
Other times if you have a simple question about operation you might just ask
here and someone with similar gear can help you.