Welcome, and it's nice to see a new member with a good old motorhome. You might want to go to the User CP in the toolbar and set up a signature block similar to mine. That way, everytime you post, we'll know what year and model MH you have without having to enter it every time.
If you haven't already found it, Winnebago has some amazing resources available online, including a parts catalog, owners manuals, plumbing and electrical diagrams, etc:
If you have HWH hydraulic slides and jacks, here's a helpful link:
If you haven't stumbled on it already, an important part of Winnebago maintenance is maintaining the roof edges where they slip into the aluminum gutter extrusion below the curved roof edge.
This video will get you started but there are many threads on Winnieowners on this important topic: