I need help finding some direction on putting a belt on a riding lawn mower, have called every where, old one?

Question:i have a riding lawn mower that need a drive belt put on it and i can not find any direction on how to put it on, it is a old sears and they don't have the book anymore and i have been on the net and nothing, the mower still runs and cuts great just needs belt and i want to keep it. just need to find directions so i can do it my self.

Answers:
Well, you should post the model number of the mower and perhaps someone can find the manual.