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Argh!! Case 870 hyd help needed.


 
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Dave from MN
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Joined: 19 Aug 2007
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PostPosted: Wed Apr 14, 2010 2:25 pm    Post subject: Argh!! Case 870 hyd help needed. Reply to specific post Reply with quote

Ok, have an 870 case. It had a loader on it, just took it off this past wekend and put the planter on the tractor. The loader was able to lift 1000#+ bales up high no issues and if you left it up and shut down the ractor the loader didnt drop. Those were dual acting cylinders. Ok, so I connect 8 row JD 7000 planter, which has single acting cylinders for markers and lift. I can get the tractor to lift the planter, but as soon as I let the hyd lever go back to center position(home) the planter drops again. I havent tried the markers yet. Also, For some reason if I hook the single hose up to one of the sets of outlets, it doesnt lift or anything, I hook up to the other side outlets and I can only get it to lift when I move that lever forward, but if I swap outlets, it still doesnt lift when I pull the same lever back. Really frustrating me, the hydraulics all worked fine when I havde the loader on. The loader was all hooked up to the outlets so all I did was take them out like any other hyd hoses. Any knowledge on this out there?
 
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Adirondack case guy
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PostPosted: Wed Apr 14, 2010 3:11 pm    Post subject: Re: Argh!! Case 870 hyd help needed. Reply to specific post Reply with quote

Case double acting remotes were paired 2 Top & 2 Bottom couplings, per circuit. Changing from RH couplings to LH couplings mearly changes the direction that you move the lever. Your single acting lift cylinder may function on either the top or bottom RH couplings with lever back rise,because of the weight of the planter, but I dought the marker will drop. There was not a float position on the remotes so you will have to plumb a relief circuit to the LH couplings back to sump.
 
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