Welcome! You'll be amazed at how much you'll learn by reading the new posts on Winnieowners every day. You're off to a good start by reading the manuals.
You should also check this site out for electrical diagrams, plumbing diagrams, parts list, etc. Download the key items to a tablet or computer so you have access any time, anywhere without internet:
Another suggestion is to set up a signature similar to mine via the User CP on the tool bar. By listing the year, name, exact model, length, etc., the information will be on every post so responders will know exactly what you own.
You also might read up on inspecting and re-sealing your roof, including all vents, skylights, etc. along with the critical roof edges. You may find this video helpful: