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 - When Push Comes to Shove - by Dave Patterson. When I was a “kid” (still am to a deree) about two I guess, my parents couldn’t find me one day. They were horrified (we lived by the railroad), my mother thought the worst: "He’s been run over by a train, he’s gone forever!" Where did they find me? Perched up on the seat of the tractor. I’d probably plowed about 3000 acres (in my head anyway) by the time they found me. This is where my love for tractors started and has only gotten worse in my tender 50 yrs on this “green planet”. I’m par
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