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Restoration & Repair Tips Board

Re: John deere 720

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John T

07-22-2012 16:54:09

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If you remove the clutch drive disk assembly be sure to get it installed back in time on the crank (may have V marks) otherwise that in itself can cause a good vibration. Its heavy weighted side must be 180 opposite from the flywheels heavy weighted side or its vibration city.

John T

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Mike Aylward

07-24-2012 09:44:30

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 Re: John deere 720 in reply to John T, 07-22-2012 16:54:09  
John, I don't believe you will see a V-mark on that tractor. I believe it is internally balanced with no counterweight on the clutch driver, so no need for it to be timed. Mike

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John T

07-24-2012 11:38:10

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 Re: John deere 720 in reply to Mike Aylward, 07-24-2012 09:44:30  
Thanks, I didnt know when they changed from the old method........

John T

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07-22-2012 17:37:58

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 Re: John deere 720 in reply to John T, 07-22-2012 16:54:09  
Quoting Removed, click Modern View to see

Thank you very much I did remove it but didn't look for a mark.

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John T

07-22-2012 19:42:49

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 Re: John deere 720 in reply to whippin, 07-22-2012 17:37:58  
If you cant find any v marks, look (maybe need mirror) at the flywheels inside and find its heavy counterweight and set the clutch drive disk weight 180 opposite from that. If those weighta arent 180 opposite she shakes badly.

John T

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