Posted by plwboy on July 13, 2014 at 13:29:58 from (173.85.64.11):
This message is a reply to an archived post by glennster on June 10, 2011 at 11:14:20. The original subject was "Re: jd 400 mower ps problem".
I know this is an old thread, but after checking everything that I read here I have found that my power assisted steering loss was caused by a stuck hydraulic valve lever. The lever seemed to move some but was stuck in the float position causing the steering not to work. It was a little fooling when the cylinder would still act like it should being off the tractor but once under tension it would get weak. I am assuming since that lever was engaged it was bypassing. The valve that was stuck was on the far outer lever.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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