[AT] Problem

[william.neff.powell at comcast.net]

Getting the pump checked was a good move. 

I spent months rebuilding components on an old 3pt hitch backhoe that had low power... It was the pump all along... 


 -------------- Original message ----------------------
From: Richard Fink Sr <nancydick at pennswoods.net>
> Hi every one i have a hydraulic problem on my back hoe Case 580B mid 70s. I 
> was working it Wednesday digging out stumps. Lost all hydraulics instantly 
> one swing fine went to dig next bucket half way in quit, Making a 
> chattering noise thought pump drive stripped or to low on oil topped off 
> same thing. Removed pump, drive is ok. thought maybe stuck pressure valve 
> removed looks ok very tight space can't see in real good.  have pump in a 
> shop to be pressure tested. it was full of oil and pushed when i removed 
> turning by hand,????? any suggestions On a side note i replaced a boom 
> cylinder on this tractor about 1 year ago. After i had a sort of wining 
> noise under heavy hydraulic pressure. thanks
> R Fink
> PA
> 
> 
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