Hydrolic Pump Help

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Posted by Charles(NC) on March 16, 2017 at 11:40:44 [URL] [DELETE] :

For sometime I've had to deal with two 8N's that sit and now the hydrolic pumps don't work as they did.I've removed both and put new fluids and relief valves in both and made sure the intake and exhust valves are working.Is there a way after removing the pumps to physically tell if they work and or find why they don't.Both pumps will pickup "slowly" but will not hold.I've also rebuilt both upper pistons and find no leakage."IF" these pumps have to be rebuilt I wouldn't feel so dumb if I knew what part/parts were bad.Thanks


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