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Lonn 
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Joined: 16 Sep 2009
Location: Назарово,Russia
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 Topic: Crank pulleys on 426
Posted: 25 Oct 2010 at 5:31pm |
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Mine on the L2 is off about 4 degrees. You guys think I should replace it and is there something better than the stock crank pulleys? This only has about 2,700 hrs on it. IMO it's a big cause of crankshaft failure at least on the 426.
Edited by Lonn - 25 Oct 2010 at 5:31pm
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DrAllis
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Joined: 12 Sep 2009
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Posted: 25 Oct 2010 at 6:06pm |
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So, if you replace it with another one of the same quality, will you still own the combine at 5400 hrs????
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Lonn
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Posted: 25 Oct 2010 at 8:22pm |
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I doubt it but if the money is near the same I would put the better one on. Thinking my 7050 is the same way and I'm pretty sure I'll never sell that.
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Amos
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Posted: 25 Oct 2010 at 8:28pm |
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How do you know it is 4 degreees off?
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Steve M C/IL
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Posted: 25 Oct 2010 at 8:47pm |
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Love the one on my 8070.Solid pulley with Fluidamper viscous damper on front!!
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Adam Stratton
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Posted: 25 Oct 2010 at 10:20pm |
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We found out the one on our L2 was off more than that when we had injection pump problems. Lined everything up according to book to put a used one on, couldnt get it to do anything, so we figured the used pump was shot also. Had it and our original pump rebuilt, still nothing. Finally, finally figured out that the pulley was out of time.
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Lonn
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Posted: 26 Oct 2010 at 5:31am |
 Amos wrote:
How do you know it is 4 degreees off? |
When I lined up the timing lines on the pump the pointer on the timing cover pointed at 12˚ on the pulley and it should have been 16˚. So then I took a mirror to see if they marks on the pulley lined up on the front of the pulley and they were off about as much as the pointer. So I guess it's off 4˚. The rubber is giving way.
BTW Just figured out how to make this degree sign ˚. Cool.
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