Question, what is the clearance of the transmission shaft to brake drum bushings?

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lorenzo26
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Question, what is the clearance of the transmission shaft to brake drum bushings?

Post by lorenzo26 » Sat Jan 25, 2020 5:14 pm

Question, what is the clearance the transmission shaft to brake drum bushings?


Scott_Conger
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Re: what is the clearance the transmission shaft to brake drum bushings?

Post by Scott_Conger » Sat Jan 25, 2020 6:17 pm

You would be fine with .004.

As important or even more important is the TIR of the output shaft after bolting onto the brake drum. You can have proper clearance on bushings, but if those bushings are not dead nuts, you will have more runout than the 4th main can handle.
Scott Conger

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Topic author
lorenzo26
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Re: what is the clearance the transmission shaft to brake drum bushings?

Post by lorenzo26 » Sat Jan 25, 2020 8:03 pm

Thank u Scott - What is the term[dead nuts ?] and [TIR ]T= total ? I? R =run out? sorry I'm not familiar thank you Lorenzo


Scott_Conger
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Re: what is the clearance the transmission shaft to brake drum bushings?

Post by Scott_Conger » Sat Jan 25, 2020 9:23 pm

Total Indicated Runout

The maximum excursion from a "0" point
Scott Conger

Full Flow Float Valves - deliver fuel like Henry intended!


Original Smith
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Re: Question, what is the clearance of the transmission shaft to brake drum bushings?

Post by Original Smith » Sun Jan 26, 2020 12:08 pm

I believe that information is in the service book.

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