Tapered roller bearings (in the sizes associated with your mower)are preloaded by adjusting the preload tighter and tighter till the bearing is pretty tight to turn with your hands. Then hit the hub/wheel with a brass drift and one pound hammer to jar it, setting the outer races into their bores and inner races against the stops. Then re "feel" the turning effort by hand and adjust to a light but noticeable drag. This assures the bearings will be firmly oriented when the running preload is set. If you are nervous about it, check the preload after an hour of run time to be positive. They do not like loose. Jim
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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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