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Farmall & IHC Tractors Discussion Forum
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Farmall 450 Hydraulic ???

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John in Michiga

07-07-2004 19:36:21




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Hello: I am looking for some input as to what the hydraulic problem is on my 450. The hydraulics on the 450 are not able to raise the haybine up out of the travel position. The hoses and the cylinder are all new. The funny thing is that it can lift the haybine up when I turn the steering wheel. Now I can get it up but when I shift the lever back to the nuetral position it slowly drops to the ground all by itself.

So is my pump shot? Is my pressure regulator shot? What do you hydraulic experts think?

Thank you John W in Michigan

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42FarmallH

07-07-2004 20:01:35




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 Re: Farmall 450 Hydraulic ??? in reply to John in Michigan, 07-07-2004 19:36:21  
Do you have power steering?

Because if it lifts when you turn the wheel it sounds like a priority valve problem - the settling is also a valve problem, spool valve (control lever) to be precise.

If it would lift cold and not hot I would say weak pump or bad relief valve. Just some ideas...



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