Because of my experience with a very tight governor on my Dad's Farmall M I started looking into what it would take to re-build one. To buy the parts from Case-IH seemed unreasonable so I have bought all materials I need to rebuild one from McMaster Carr. What I do for the weights is machine them out to 5/16" and press in a brass bushing. Then I fit them to a .002" oversized pin same as fitting a wrist pin. Machining out the weights can be tricky because the holes in the weights wear in one direction and center of the machined holes needs to be on the center of the original hole. For the linkage I make pins out of 9/32" brass rod. I made a jig that allows me to drill 1/16" holes in the brass rod precisely where they need to be to replace the 1/4" clevis pins. Then I drill out the linkage and fit them same as fitting a wrist pin. I replace the 1/4" throttle shaft bushing with a longer one so that if the throttle shaft is worn a little it is using a new unused portion of the throttle shaft. If the input shaft into the governor is wore I have 1/2 x 5/8 bushings that I can use to re-bush the housing and then if the shaft is wore I can build it up with brass and turn it down in the lathe. I replace the seal with a new one. So far I have only done a few of them but they really turn out great and the cost for parts stays below 20 dollars from McMaster Carr. I even figured out which gasket material to buy from McMaster to make new gaskets. So the cost to re-build one this way is mostly labor. To do one this precisely does require a mill, lathe, hand reamers, sunnen hone, and a high level of mechanical ability. At first my intention was to just see if I could rebuild them. Turns out I can do a better job than I thought. I just did one last weekend for my Dad's 450 that turned out beautiful. I started looking into what places like Denny’s want for one re-built to factory specs and I thought maybe I should rebuild these for other people. Next one I rebuild I am going to take pictures of the process to have to show people exactly how they turn out. Email me if you are interested. FYI – I undercharge compared to other people.
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Today's Featured Article - Choosin, Mounting and Using a Bush Hog Type Mower - by Francis Robinson. Looking around at my new neighbors, most of whom are city raised and have recently acquired their first mini-farms of five to fifteen acres and also from reading questions ask at various discussion sites on the web it is frighteningly apparent that a great many guys (and a few gals) are learning by trial and error and mostly error how to use a very dangerous piece of farm equipment. It is also very apparent that these folks are getting a lot of very poor and often very dangerous advice fro
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