If you own a radial arm saw, then every once in a while you will need to make a new table and fence for it to replace the cut-up, worn-out old one. That is a normal part of owning a radial arm saw.
Radial arm saws are wonderful, versatile tools, but they are also very dangerous. Be sure you learn everything you can about radial arm saw safety, setup, care, and proper use before you start using it.
Many people learn from YouTube, which is fine. Just be aware that anybody can post a YouTube video. There are many examples of horrible safety violations that occur in YouTube how-to demonstrations by "expert woodworkers", where the only thing that prevented a severe on-screen injury was sheer dumb luck.