Posted by 550Doug on November 20, 2022 at 17:58:27 from (141.193.149.5):
The engine oil plug on my Case 446 garden tractor (Onan engine) has been leaking, so I've drained the oil and replaced with new oil but the plug will not tighten. I thought it was a gasket problem but it seems to be a thread problem, The plug has a 1/2 x 20 thread. I've now drained the new oil and found a thin circular piece of metal that looks to be part of a thread from the engine as the thread on the plug is good.
I have purchased a single oversized oil plug to install but it seems to have a fine thread on it. I don't want to install it and wreck more threads. What is the scoop on using oversized oil plugs? A Double oversized oil plug also came with the set I purchased, but it seems to be too big.
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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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