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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
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Re: Questions about 880 rebuild

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J. Schwiebert

02-25-2013 03:04:26

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Answer to the first question is yes. On the second question: Do you have a book? If I remember right and 40+ years ago guys that ran single acting cylinders I could count on one hand but I think you need to convert the left side to single acting. I don't remember a basic adjustment on that restrictor, it is like its name it restricts the flow of oil to knock the check valve off of its seat. I don't know what the size of your one way cylinder is but make sure the reservoir has the capacity to handle the cylinder. Number 3 pressure is not that high the average 25-30 psi oil pressure gauge should work fine.It hust needs a couple of pounds for positive oil feed to the top shaft.

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02-25-2013 08:03:25

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 Re: Questions about 880 rebuild in reply to J. Schwiebert, 02-25-2013 03:04:26  
My dad bought a new 770 that he converted the left port to single acting based on information from the dealer. I do know it had the restrictor that was mentioned which was connected to a hose that ran the return oil back to the reservoir. I converted it back to two-way a few years ago. I still have the book as there is a description of how to do it. Can make a copy of those pages and email them to you if you need them. Not sure if it has to be the left port but it was on ours. I still have the 770. Al

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