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730 diesel


 
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TRACTORNUTJD
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Joined: 08 Feb 2005
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PostPosted: Tue Oct 20, 2015 2:51 am    Post subject: 730 diesel Reply to specific post Reply with quote

Has anyone seen a diesel crankshaft that a taperlock flywheel would not work on?
 
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Mike M
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PostPosted: Tue Oct 20, 2015 3:55 am    Post subject: Re: 730 diesel Reply to specific post Reply with quote

Yes. Saw one that was broken clean off !

And then I'd guess depending on how worn out or buggered up the crank was it could cause problems.

But on average if it does not look too bad the taper locks can really work out good.
 
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Blksmok
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PostPosted: Tue Oct 20, 2015 4:45 am    Post subject: Re: 730 diesel Reply to specific post Reply with quote

Yes. I bought a 70 diesel where the previous owner attempted to weld the flywheel to the crankshaft. It "buggered" up the splines so bad that the taperlock would not hold tight. I think the splines on the crankshaft have to "evenly worn" with no chunks missing for it to work as designed. I ended up replacing the crankshaft and FW with JD parts. Expensive!
 
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TRACTORNUTJD
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PostPosted: Tue Oct 20, 2015 5:39 am    Post subject: Re: 730 diesel Reply to specific post Reply with quote

I guess i should have stated that it was run loose for awhile owner was not to mechanically inclinded and made hay and spread manure with it. It runs but hammers someting fierce!
 
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jd2cylman
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PostPosted: Tue Oct 20, 2015 5:45 pm    Post subject: Re: 730 diesel Reply to specific post Reply with quote


I had a 720 that someone welded up the crank and bored out the flywheel and cut two keys like a 820/830. Worked well.

Adrian
 
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