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John deere 566 pickup chain

258 Views 8 Replies 4 Participants Last post by  Hawkins2015
So I'm in the process of replacing some worn out sprockets on the pickup and while in there said may as well do new chains too. Doesn't make sense not to start fresh. My problem is that when I went to install the chain with calls for 42 links including the master it was too tight to put the master link in. The old chain was really loose. (probably a combo of worn sprockets and stretched chain)

The tech manual says to loosen the bearing bolts and pry the chain tight. But in my reading online it says to only do that if the chain is loose. So my question is what do I do to get the chain to fit? Can I use a half link? Is there a way to do this correctly?


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Thank you! I'll try that when I get home from work. Two other questions about the chains themselves. Can a roller chain be too tight? And the upper Drive chain and the pickup chain are 60H but the scraper roll chain which appears to drive the pickup chain is only a 60? Seems kinda weird.
So thank for the help on that double sprocket. Doing it at once was just the ticket but the chain is pretty tight. Had to use a mallet to put the sprocket on because there wasn't any extra slack. Is that something to worry about or will just using it break it in.
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