Posted by Geo-TH,In on January 23, 2016 at 09:49:56 from (172.78.51.213):
I had three hydraulic cylinders decided to leak just sitting in cold pole barn. I'm thinking it may be a cold weather shrinkage problem, O-rings shrank. One of the cylinders was difficult to get apart. Someone had turned the end too far and pulled the wire all the way inside. I drilled the hole out a little larger, then used a smaller bit and drilled the backside of wire so when I turned the end, the wire decided to come out, THANK GOD!
I made a spanner tool using an old plumbing wrench. I also use a brake hone to clean up the end of cylinder. I find it easier to leave cylinder on tractor, saves removing hoses, just pull the rod and piston out.
I've concluded, if a hydraulic cylinder doesn't leak today, just wait it will leak tomorrow. I think I've rebuilt atleast a dozen so far.
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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
... [Read Article]
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