Posted by Anonym on March 25, 2012 at 17:17:14 from (216.249.95.140):
I've had an issue with my 3000's hydraulics for a bit,but it's always been intermittent. Basically, the 3-point wouldn't lift until it had ran for a while. I always thought I had an air leak into the system and it took that long to prime up until I got ready to start mowing this weekend and realized it was primed and just wasn't wanting to work.
I looked at my manual and thought I'd check the flow control valve to see if it was stuck in the dump position. Well, for some reason, I can't get the valve off the side of the tractor. Is there an internal linkage that would keep it from being removed? It wiggles and jiggles, just won't come off. I did remove the rear hex plug where the spool is located and the plug and spring came out, but I can't get the spool to move.
I am getting some oil out of the lower 5/8 plug (not much flow or pressure, but there is oil), but nothing is coming through to the top. Any thoughts? Am I looking in the wrong place? Pump is quiet. Should I take off the high pressure line and make sure it's pumping strong? Any help would be greatly appreciated!
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Today's Featured Article - Hydraulic Basics - Part 2 - by Curtis Von Fange. In the last entry to this series we gave a brief overview of hydraulic system theory, its basic components and how it works. Now lets take a look at some general maintenance tips that will keep our system operating to its fullest potential. The two biggest enemies to a hydraulic system are dirt and water. Dirt can score the insides of cylinders, spool valves and pumps. Wate
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