Posted by used red mn on August 31, 2018 at 23:02:47 from (75.73.112.20):
In Reply to: Re: engine rebuilding? posted by jimg.allentown on August 31, 2018 at 12:26:33:
Yep agreed, rod or main crankshaft bearing journals are finish ground to a certain diameter spec. For EXAMPLE say your engine has a specified rod bearing journal of 2.000 inches it wears down below the allowed tolerance and needs resized. So a machine called a crankshaft grinder is used to very precisely grind the journal down 0.010� undersize. So now the bearing insert halves needed are 0.005 inches thicker to fit the smaller diameter journal. So they would now fit the new small diameter rod journal that is 1.090 inches. That ...undersize... diameter is how normal machinists nomenclature or naming would refer to them. I agree with finding someone to mentor you through this process there are a lot of steps that need performed properly during and engine rebuild to ensure longevity.
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Today's Featured Article - Women and Tractors - Tractor Engine Repair - by Teri Burkholder. One of the great things about working on a tractor engine with your other half is that you know what he is thinking of at all times and can anticipate his every move and his next thought of what he will do. With Ben, anyway, I can tell! He'll be busy working and I�m handing him tools and he says, "give me that..." and I�ve already got it in his hand or "hand me that....."and I�ve got the portable light right where he needed it placed to see. "Run in the house and get me a...."as I open th
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