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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
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Still some hydraulic problems

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Tim of PA

12-08-2007 12:18:19




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I have an Oliver 1850 diesel. I was using my post pounder awhile back and I could not lift the ram. Everything checked ok on pounder. I started checking with gauge. I get 2000 pounds at plug below flow diverter. On remotes I sometimes get 2000 pounds, sometimes nothing. I put coupler on plug below flow diverter and pounder will work if I pull either remote lever. Pounder never works off either remote. My other equipment works off remotes and three point and power steering work fine. I have tried changing couplers on pounder and tractor remotes. Does anyone have any ideas?

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Tim of PA

12-08-2007 20:06:01




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 Re: Still some hydraulic problems in reply to Tim of PA, 12-08-2007 12:18:19  
I get the 2000 reading by pushing the remote lever with nothing connected except the gauge. I put the male end of a coupler on the gauge so I can easily connect it to hydraulic line. My post drive cylinder is single acting cylinder. The control valve was a closed center and I could make the cylinder go up by pulling remote lever and control handle at same time. I have changed it over to an open center with a plug package from the manufacturer since the time when I started having difficulty. Also when I got the 2000 reading on gauge it would stay there with lever in neutral position. It would only drop to zero when I pushed lever in opposite direction.

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J Schwiebert

12-09-2007 06:20:29




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 Re: Still some hydraulic problems in reply to Tim of PA, 12-08-2007 20:06:01  
Did you adjust the tractor hydraulics for one way cylinder operation? Where did you couple the line. You only have one location for that as well. J.



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J Schwiebert

12-08-2007 12:51:54




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 Re: Still some hydraulic problems in reply to Tim of PA, 12-08-2007 12:18:19  
Tim: How are you getting this 2000 PSI? Doing nothing you should have very little pressure. Tell me more about the hydraulics on your post drive Cylinder? single acting? double acting? What kind of controls?



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