Posted by lfc on September 27, 2013 at 04:08:54 from (70.233.92.48):
In Reply to: Ford 4500 float valve posted by Jim13 on September 26, 2013 at 17:36:08:
To float the loader lift arms, you push the loader valve handle all the way forward past the position that usually lowers the arms. There should be a detent that holds the valve spool in float position. I"m guessing the valve you are referring to is the self-leveling valve - a separate small valve with a black plastic knob on it. It diverts oil from the loader arm lift cylinders and sends it to the bucket curl cylinders to try and hold the bucket level as you lift the boom. The valve only moves in out less than one inch. Try some penetrating oil and a few light taps with a hammer.
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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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