Posted by Mark in Upstate on March 07, 2014 at 06:59:38 from (174.252.49.168):
All, previous posted about the Hydra -touch hydraulics on my 450 staying at high pressure after cycling, returning to center. I discussed with a dear friend and mechanic. He said I was very thorough. But this had him stumped. I pulled the relief valve apart again, removed the bypass screen that is unscrewed with a driver. I double checked all openings. The orifice on the screen was only .010 and Pete23. had noted that. 040 would work to bypass and relief the 'fulloffice pressure 'manifold issue. I opened it to. 060 because that is all I had. It solved the pressure issue. Thank you Pete23. .040. will work very well when I replace the screen.
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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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