At least nothing real bad happened. Looks like input shaft got chewed on a little bit.
I've got a SM in the shop now that's somewhat apart. Orginally got in there just to clean and re-seal, then I decided the pinion bearing was too loose and the input shaft bearing were too loose so there it is. Needs a clutch anyway.
Another SM I got into had nearly an 1/8 inch groove under one of the bull gears and had obviously eaten a ball or two. It was old damage though and one of axle bearings was a replacement.
I've been replacing the pinion bearings with a Max type that has more capacity. The standard bearing is a 311 and the max type is a 311W. Haven't found a good aftermarket number for the pilot bearing. There's one out there that fits that's basically two ball bearings together. Not sure how it compares to the roller as far as capacity. We put one in an M but haven't used it a whole lot.
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Today's Featured Article - Antique Tractor Solvents - by Curtis Von Fange. Solvents play an important role in keeping our tractor clean and running efficiently. There are many different types that can be used for external and internal cleaning of the various tractor parts. Being aware of the different types of solvents will make any cleaning job go easier because one can select the correct cleaning agent for the task at hand. Let’s take a quick look at what is available and readily used in the solvent larder of our shop environment. The most universal solvent in
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