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Southeast Florida | I'm not going to take that bet because its what I really think the problem is too. That's the way we always checked the old closed center tractors was read the pressure with engine running 1200-1500 rpm's and no functions, if it reads close to 2250 psi work the steering wheel back and forth a couple of time and if the pressure drops out you've got a clogged sump screen or bad charge pump.
Speaking of sump screen has anybody pulled the screen out yet to see what else comes out? There's a real easy way to check it without dumping the oil. Tape the shop vacuum hose to the filler neck on suction before you pull the plug.
Edited by Fla Veggie Farmer 6/11/2009 22:29
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Slow hydraulics on JD 4430
