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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
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Oliver 550, White 2-44

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R Tanner

11-23-2004 09:03:29




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Does anyone know which side, the left or right is the pressure port on the power steering assist cylinders when sitting behind the wheel. I'm assuming that both cylinders are the same and not opposite hand. I just purchased this tractor and have come across a few things that the previous owner had hooked up incorrectly. I'm having a power steering problem and just need conformation on the
pressure ports. It wants to turn to the left as soon as the tractor is started, without the engine running it will turn both directions without a problem. I suspect the cylinder lines are crossed on one side and are the cause of my problems. I have ordered the service manual but it has not arrived as of yet.


Thanks

Ron

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Larry from MD

11-23-2004 10:14:17




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 Re: Oliver 550, White 2-44 in reply to R Tanner, 11-23-2004 09:03:29  
I think you have a differant problem.There should be no oil flowing to the cylinders if you are not turning the wheel.If the lines are cross hooked it wont steer at all,evan when not running.So your problem is in the steering unit.



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R Tanner

11-23-2004 10:52:52




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 Re: Oliver 550, White 2-44 in reply to Larry from MD, 11-23-2004 10:14:17  
Larry I tend to agree with you on the steering unit theory, the problem I'm having is that the steering motor
seems to be very simply and fool proof. It consists of a cylindrical cast body with 5 holes in it. A big one in the center
that the steering shaft and a collar pass through and 4 smaller ones 3/8" in dia. or so located on the same circle but not
equally spaced around that circle. 3 of the smaller holes have identical parts in them, a plug at each end and a spring between
each plug and the fourth hole has two identical ball check valve plugs end to end within.
It just seems so uncomplicated that I can't figure out what could not be working. As I mentioned the previous owner had several
things hooked up wrong so I guess the steering motor could be assembled wrong in that the plugs and springs could be in the wrong holes. I wish that manual I ordered was here!!

Thanks for your effort

Ron

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Larry from MD

11-23-2004 15:47:49




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 Re: Oliver 550, White 2-44 in reply to R Tanner, 11-23-2004 10:52:52  
Your steering moter is one I have never seen.I had a backhoe once that tried to go one way and it had one bad cylinder.The one good cylinder was off ballence with a large rod so it tended to push one way.The steering was allso very spongy or loose.



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