Posted by haymaker421 on August 10, 2010 at 12:33:19 from (75.100.135.171):
Same old problem. New pump installed. Put in magnets to collect any debris in the rearend. Changed the filters. Put in new HyTran. Hitched up the plow and away I went. Got all the plowing done with no real hydraulic problems, except the remote levers wouldn't return or kick back to home position. Seemed unusual but not a big problem. Now getting ready to disk. Hitched to a JD 220 disk but hydraulics won't raise the disk. And won't raise the wings. Trys to but won't do it. The hydraulics will raise the wheels off the ground but when the wheels go back down they just stop when the hit the ground. The three point worked OK on the plow and still raises and lowers fine. Raised and lowered the tail wheel just fine. The other thing that seems to be a problem is the steering when idling at slow rpm. It just locks up and won't turn. This seems to be getting worse. After rereading what I have just written, I am wondering, could this be something as simple as replacing the filters again? After the old pump was torn up I put in lots of magnets everywhere I could and as I said, replaced the filters but could it be that the circulation of the oil has stirred up more foreign matter and shavings and plugged the filters causing the system to be starved for oil?
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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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