hydraulic pump


Old 10-11-10, 05:45 PM
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Join Date: Oct 2010
Location: usa
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hydraulic pump

I have a johndeer 510 backhoe and it is full of fluid my filters are good. I think my pump presure is getting weak.how can i check this and repair it.
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Old 10-11-10, 06:56 PM
ukrbyk's Avatar
Join Date: Mar 2010
Location: USA/ Pacific NW
Posts: 3,301
there's separate forum on DIY site for small engines, lawnmowers, etc. undoubtfully, you will have better help there.
Old 10-12-10, 11:12 AM
the_tow_guy's Avatar
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Join Date: Feb 2001
Location: SW Fla USA
Posts: 11,575
Could have a failed pressure relief valve or worn seals in the pump (I've dealt with both on the hydraulics on my wrecker). Repair on either/or is generally pulling apart and replacing seals. Can't speak about others, but the Muncie pump on my truck is pretty easy to work on. Going to need to put a pressure gauge on the system and see what you've got; would also be helpful to know the spec for what the system is supposed to be pushing.

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