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Case Tractors Discussion Forum
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David Brown 995 Hydraulics

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John Laskowski

07-28-2005 06:55:47




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I previously posted a message concerning my hydraulics no longer working without high throttle while i was cultivating. since then I tried replacing the seals in my pump, no change. I then replaced the pump and the pressure relief valve, no change. In older discussion forums i have seen references to hyd pressure line falure and my IT book references pressure line seal damage which prevents lifting under load. my IT doesn"t show or talk about pressure lines in related paragraphs. if this is a potential problem where are the pressure lines and how do you check them/remove/replace them or the seals related to these lines. thanks john

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joe e-tx

07-29-2005 06:46:05




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 Re: David Brown 995 Hydraulics in reply to John Laskowski, 07-28-2005 06:55:47  
john did you put new oring on pipe that slides in to pump?,figure 312 (c-203 IT manual)
joe



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john laskowski

07-29-2005 14:59:46




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 Re: David Brown 995 Hydraulics in reply to joe e-tx, 07-29-2005 06:46:05  
No i didn't change that oring, i guess looks can be deceiving. however i have changed many others from the oil pickup tube below the pump to those at the pressure pipe on the end of the control valve. Also, i want to let you know i installed a guarenteed used pump from wengers in PA. thanks john

I did pull out the control valve and inspected most valves for wear and or damage.



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Elmer

07-29-2005 21:13:28




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 Re: David Brown 995 Hydraulics in reply to john laskowski, 07-29-2005 14:59:46  
Remove the pump again and blow air pressure into the line and make sure you don't have a cracked line.



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