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Didn’t get to swap the loader out for the 44” 2-stage snowblower and cab on the 520-H before the Christmas Day storm. I had the engine out to redo the top end (decarbon, clean and reseat valves, New gaskets, New fuel pump, tubing, filter, plugs and properly seat camshaft Welch plug) so no time to switch over before storm. It’s just another excuse to use the loader! Merry Christmas everyone🌲🎅🏻
Got the coupling modified , keyway cut , new spline piece from a later model C welded into it and running into a misalignment issue . Seems like the engine is 1/2" too far forward ??
I need this thing tight to the front pump mount so it's got as much of the splines engaged as possible and utilizes the 3/16" wide key to take the abuse I had machined into the pump shaft (that hurt, btw) . I set the coupling within .030" of the bracket , which is where it sat before although previously someone stacked a whole lot of washers between the coupling and the engine's flywheel . Is the rubber puck perhaps backwards , somehow ??
You can see just how far it's pulling on the rubber section , bowing out the two sides attached to the engine's flywheel .
Looking closely , the black allen socket set screw holds the key in place tightly - and I mean TIGHT . I want zero movement against those splines - in my opinion that is why these things wear out too easily .
I seem to remember there are two raised portions on the rubber ring - on each side of it and there is a difference , perhaps it's the wrong direction ?
Any insights - bring 'em on - it's an odd 92* day here in September and I'm sure we'll pay for it next week ...ugh .