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JD fan assemblies

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Kevin

01-22-2001 20:37:34




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The fanshaft on my 1950 B makes a roaring, grinding sound. Is there a bearing on each end, and is this probably my problem, or should I replace the whole unit.




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Frank Boerger

01-23-2001 14:21:26




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 Re: JD fan assemblies in reply to Kevin, 01-22-2001 20:37:34  
I agree that it is likely the bearings, and gear lash is extremely important, but check to make sure that the fan shaft vent pump roller (in the casting at the governor end) isn't chafing and seizing. It will make a racket, too !

Frank-in-Tallahassee
70 D // 855



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Larry E

01-23-2001 15:21:34




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 Re: Re: JD fan assemblies in reply to Frank Boerger, 01-23-2001 14:21:26  
Fan should 1/2'' back lash or back and forth motion at outside of fan blade,this is done by shims at govenor end.



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buckeye al

01-23-2001 13:46:18




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 Re: JD fan assemblies in reply to Kevin, 01-22-2001 20:37:34  
I agree with Bob. In either case you have to go through the gear lash adjustment process so I prefer to just fix up the one I have. This way I'm not looking, hoping and then rebuilding anyway.

Good Luck.

Later.



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BobTGS

01-23-2001 09:00:36




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 Re: JD fan assemblies in reply to Kevin, 01-22-2001 20:37:34  
Kevin, I would say it probably is the bearings making the noise . I would replace them as oposed to replacing the whole assembly, because when you find a used one it more than likely need new bearing anyway.Bob .



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