It doesn't wear out too soon at all. I've never worn one out and have many thousands and thousands of rounds through the CT and my four hole press before that. If you remove the turret with the press ram down, it puts stress on the ratchet which doesn't do it any good. Raise the ram an inch or so before manually moving the turret and you'll never wear it out. It's not an adjustable part and neither is the the housing that keeps it.
If your press is not indexing properly, make the adjustement one way or the other to the nut on the top of the index rod and that's it - doesn't need to be done again no matter how many times it is inserted and removed. Adjusting things that are not meant to be adjusted will compound the problem instead of solving it. If I sound short, I don't mean to, but this seems to be a problem for a few people and they end up getting frustrated because they are trying to fix something that has nothing to do with the issue.