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Case Tractors Discussion Forum

970 diff backlash

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Author  [Modern View]

07-12-2019 10:47:53

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Got new ring and pinion in my 970 (manual trans) and Iím setting the backlash, the service book says to ONLY check backlash when the marked teeth are line up. Would you not want the backlash to be the same all around? Why only that position? Tough to see the marks, maybe an inspection camera would do the trick but I do not want to take that big top cover off. Thanks

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07-12-2019 18:09:52

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 Re: 970 diff backlash in reply to russ970ont, 07-12-2019 10:47:53  
In my world, I like R&P backlash around .003, all the way around. NO tight spots....... Checking the contact pattern with bluing is a nice touch too. I'm sure the factory book explains that. Larry

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07-12-2019 18:59:13

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 Re: 970 diff backlash in reply to oldproudvet, 07-12-2019 18:09:52  
Ring gear is marked .010 and book says + - .002

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07-13-2019 07:48:18

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 Re: 970 diff backlash in reply to russ970ont, 07-12-2019 18:59:13  
the book is correct.

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