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Show Parts for Model:

flywheel specs

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Author  [Modern View]

01-28-2013 09:19:20

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I have an NAA Jubilee that was out of clutch adjustment. I installed a new clutch, pressure plate and throwout bearing even though old parts looked very good. I am now able to get correct free travel, however I am almost out of adjustment already! I checked all linkage for wear or sheared pins allowing shaft to rotate where it shouldn"t. All I can figure is maybe flywheel has been ground too many times. Does anyone have a spec to measure for proper flywheel thickness?

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Ultradog MN

01-28-2013 11:42:44

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 Re: flywheel specs in reply to BruceOH66, 01-28-2013 09:19:20  
What do you know about the history of the tractor?
Could the engine have come from another machine?
Sometime between the 600s and 601s they changed the thickness of the block plate back there.
Went from one about 1/8" thick to about 1/4" thick. If someone dropped a 601 engine in it and didn't use the correct plate you will be pulling hair figuring out how to get the clutch adjusted.
I don't know your NAA as well as the later models but you might check your block plate. I'm thinking it should have the thinner one.

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01-28-2013 10:33:18

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 Re: flywheel specs in reply to BruceOH66, 01-28-2013 09:19:20  
Quoting Removed, click Modern View to seeThere is a sing that has some lyrics about this. "...looking in all the wrong places.....". Seriously doubt a few thousandths here & there can impact the comparatively large throwout bearing/PP finger travel.

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