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Farmall & IHC Tractors Discussion Forum
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504 hydraulic troubles

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Dan B 77

08-22-2007 17:50:05




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The 504 I have isn't giving me hardly any hydro pressure when the motor is running above an idle.
On the other hand at an idle it will pick up everything I try. I have already replaced the pump a while back, so I know that it isn't the problem, but I don't what else to check. Any help I can get, I would appreciate. Thanks




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K.B.-826

08-22-2007 20:11:33




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 Re: 504 hydraulic troubles in reply to Dan B 77, 08-22-2007 17:50:05  
That's an odd one. The first thing that comes to mind is that the supply of oil to the pump is being restricted. It's getting enough oil to operate at low speed, but starves as the speed is increased. Do you hear any unusual noise? Have you tried a new filter?



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Dan B 77

08-23-2007 10:19:16




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 Re: 504 hydraulic troubles in reply to K.B.-826, 08-22-2007 20:11:33  
This all started occuring 2 years ago and I've just worked through it. Once a year all of my tractors come through the shop and get fluid and filter changes. I'm just wondering what else could be causing it. It used to be my primary tractor for cutting, raking, and bailing my hay. I just don't understand why all of a sudden she quit.



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