Just to add, when testing those stator windings, in addition to checking AC output with the engine running, check both stator wires for a short to ground (engine block) with an ohmmeter.
It should read infinity from either stator wire to the engine block.
A couple years ago I worked on a "no charge" situation in a JD 318 with Onan engine. It made the normal 30+ volts across the two stator leads, but would not charge. I found the stator was shorted to ground at about the mid point. When connected to the good rectifier / regulator that grounds to the engine, it would not charge. Replaced the shorted stator and it charged normal.
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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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