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Ford 9N, 2N & 8N Discussion Forum
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8N PTO

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JustBill

06-20-2020 15:49:06




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I have successfully built out the PTO cover plate with the appropriate oil seal.
My problem is that when I go to put it back on the tractor, I have about an 1/8" gap between the cover plate and where it bolts to.

The PTO shaft is solid and clunks when I tap it, so I know it is seated. The bearing sits inside the cover plate as it should.

Needing some suggestions now.




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Jock(OR)

06-21-2020 15:25:00




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 Re: 8N PTO in reply to JustBill, 06-20-2020 15:49:06  
Have you checked the PTO shaft where the splines mate with the pump and drive? If the splines have been damaged, they may not slip fully into the mating parts. If it seems to be seated solidly, it still could be bound up on a damaged spline.

Also, be sure that the bearing is fully seated on the shaft.

I once had a rear axle that used a different bearing than the auto parts store specified for that model truck. After the second bearing "failure" (movement of the rear wheel in and out) I measured the recess in the axle housing and discovered that there was a wider bearing that actually had the proper width.

In theory, the only thing you really changed to affect the position of the bearing cap is the bearing itself. Compare the width of the new bearing to the old one. If it is the same, then the position on the shaft is the variable. If it is in the same position, then the shaft isn't seating fully in the pump or the drive splines.

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HFJ

06-20-2020 18:20:43




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 Re: 8N PTO in reply to JustBill, 06-20-2020 15:49:06  
Quoting Removed, click Modern View to see

yes, it's a direct replacement. yes, i'd do it - it was one of the first changes i made to my N.



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JustBill

06-20-2020 18:08:22




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 Re: 8N PTO in reply to JustBill, 06-20-2020 15:49:06  
Yep, thought of all those and somehow they did not seem satisfactory. Still looking for "other suggestions". Thinking now about conversion to a 1 3/8" PTO. Seems like this is a direct replacement. What say you YT?



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Bruce(OR)

06-20-2020 17:23:10




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 Re: 8N PTO in reply to JustBill, 06-20-2020 15:49:06  
Well. . . . you could cut the shaft shorter. . . . No? WELL YOU SAID YOU NEEDED SUGGESTIONS!

Okay. How about copious amounts of RTV sealant? Steel spacer? Steel spacer WITH sealant. Steel spacer with sealant painted with enamel paint to cover the mistakes. Now THAT'S a SUGGESTION!!

Time to buy another tractor to take it apart and measure it.



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