Posted by Adirondack case guy on April 26, 2014 at 06:09:11 from (74.69.160.79):
In Reply to: Case 730 question posted by Lance G. on April 25, 2014 at 19:50:55:
The issue probably isn't hydraulic related. It is all about physics and geometry. You are maxing out the capabilities of the hyds, When you try lifting a bale, and you start moving forward, the tires try to rotate up the front of the tractor, and the hydraulics take advantage of this and a change in the mechanical advantage of the 3pt improves as the arms get higher. As for the loader The same principles exist. Your bucket is below the center of gravity. and your boom hinge points are well above. When you move forward the mechanical forces change The loader arms are pushing up on the front of the tractor, and the rear wheels are trying to push under the loader arms. If you back up with the bucket down trying to raise the front wheels, they won't lift, because the physical forces are working in the opposit direction, against your hyds., rather than with. Loren, the Acg.
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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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