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JD4640 hyrdaulic filters/pump questions
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Posted 11/30/2012 10:01 (#2724865 - in reply to #2694902)
Subject: Re: JD4640 hyrdaulic filters/pump questions

Wardview, LA
After cleaning the sump screen, new filters and hydraulic oil. Luck would have it blew a hose on the draft and got to buy some more fluid.

I tested two of the remotes and all held constant pressure with 50-100 psi loss over several minutes. However, i only saw 1800 psi.max. does this mean the pump needs rebuilt? What are the risks running it as is?

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