Posted by Morgan in ar on August 21, 2019 at 03:50:34 from (97.114.162.198):
I bought a mechanic stethoscope and narrowed the knock down to cylinder 7. I tried my bore scope again (it had grease on it last time), and the piston looked like the surface of the moon. It must be something really small in there, the piston has lots of little dimples, doesn't look really bad. I tried to run it with that plug out, hoping the compression would force the foriegn object out of the plug hole, but no luck. I can't see anything in there with the camera, either. The noise seems to keep time with the exhaust valve on that cylinder. I guess the head will come off this evening. I suspect that head will need a valve job now. If that piston is a total loss, is it possible to just replace that one?
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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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