Re: bad ringgear

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Posted by K.LaRue-VA on January 30, 2019 at 10:38:30 [URL] [DELETE] :

In Reply to: Re: bad ringgear posted by Bruce(OR) on January 29, 2019 at 20:27:15:

Our kitchen over didn't even come close, even with the flywheel sitting in 6" of snow on the deck. The FO-4 says 350 degrees. We tried that, then cranked the oven as high as it would go. The ring gear still just went "clang" and failed to slip on. Several weeks later a good bed of hardwood coals in the wood stove did the trick. Laid the ring gear in coals for about 10 minutes. Coals were hotter in the back so turned the gear 180 degrees and closed the door for another 10 minutes. The trick is to get it just hot enough to expand and slip on the flywheel, but not so hot it ruins the temper. At the time I figured the magic temperature to expand my ring gear to fit my flywheel was between 600 and 700 degrees. Your experience may vary depending on how close to factory tolerance your replacement ring gear was manufactured.

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