Posted by Crazy Horse on September 24, 2015 at 05:34:49 from (75.158.36.9):
Photo below (hopefully if I can post one) of a single piston from a 6-cylinder Buda engine from a Cockshutt 40. My friend was given the engine by someone who had heard it running, it supposedly sounded good or at least "OK" so my friend dropped it into the tractor, did a bit of prep work and fired it up. The engine ran but had a weird noise, nothing too loud and some might have dismissed the noise as just being a bit noisier than expected but after all, it was an old engine. My friend wasn't satisfied though and eventually tore off the cylinder head and looked a bit further. The result is in the photo, piston totally destroyed and actually cleaved in half horizontally just below the lower ring groove. The two parts had been hammering on each other for at least some time after the separation, not sure how long it was run that way.
My friend has an opinion on what happened (some evidence elsewhere in the engine that wasn't mentioned in this post) but I thought I'd send the photo out to readers here to see if they have ever seen something like this (he never has after a lifetime of wrenching). And maybe a suggestion or two what you might think what might have caused the problem.
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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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