Posted by bdoss2006 on September 23, 2022 at 19:38:11 from (174.212.176.201):
I have a 1940s approximately farmall cub. I checked the compression in cylinders 3 and 4 and got about 25 I think. I took the valve cover off the side and thought at first everything looked ok. I then looked closer later and realized 3 of the exhaust valves are stuck open. I took the head off and have tried using pb blaster. I got them to move but I have to hammer them pretty hard to get them closed. They are FAR from closing on their own. I don t know if I should keep trying to beat them loose or just replace them. I have considered putting pistons and rings in it as well considering I have tore down this far and the fact that I don t know for sure that the rings are good. Any help as what I should do is appreciated.
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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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