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Old 12-02-2015, 07:38 PM
thebigo thebigo is offline
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Default Re: Rc4wd excavator valve question

Quote:
Originally Posted by Tommydude88 View Post
hi guys... just wondering if any of ya's have done a valve rebuild on ya 4200xl yet. mine has lost it ability to hold the arm up when the pump is off, I mean all the rams just creep and lose all their preasure real quick. when I first got it was sweet at holding pressure now not so good. strength wise pump is good she still got plenty of power but yea lil bit stumped and don't realy want to pull the valve apart and wreck it completely or something like that. cheers guys
could be the Hydraulic cylinder, leaking by the piston. my rc4wd loader bucket (tilt) is doing the same think with the pump on? I think I will pull the cylinders apart and look at the seals.

David
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