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8N AXEL / HUB CONNECTION

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Fred

02-08-2002 05:42:56




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Well, I've bought and installed everything in the rear end except one axel. Seems like something should have been good. Question, Does the hub/axel fit require a interferance of diameters or an interferance in the width of the splines? When I put my new hub on my old "good looking" axel, it bottoms out against the bearing retainer and then freezes up when I tighten the nut.




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ZANE

02-09-2002 04:36:06




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 Re: 8N AXEL / HUB CONNECTION in reply to Fred, 02-08-2002 05:42:56  
The interference fit is of the diameters and not the spline sides. If you will look at them you can see this.

I just last week fixed the same problem on this old beat up 8N that I bought to try to restore.

I cut 6 shims from banding strap material to the right length and width to fill the spline taper fit and then with the hub back off the end of the axle far enough to slip the shims into the splines I then hammered the hub on until I could get the nut started. I then tightened the nut with a 3/4" drive pull handle and a 3' cheater till I was afraid the threads might strip and quit. I then removed the nut and cut the ends off the shims that had protruded from the end of the spine and to see how much more I had to play with and the end of the axle was still more than 1/4" inside the hub. GOOD! I then put the nut back on and repeated the tightening process. Wish me luck! I wish you luck!

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Mike OH

02-08-2002 07:25:24




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 Re: 8N AXEL / HUB CONNECTION in reply to Fred, 02-08-2002 05:42:56  
Fred, I'd guess the axle you thought was good is not. It is suggested both axle and hub be changed whenever either goes bad. I had a similar problem with the 8N I bought to restore last April. The previous owner changed out the hub, but not the axle. When I tightened down the axle nut it shouldered on the axle because the worn spline came through the hub too far. This caused the hub to be loose even though the nut was torqued down tight. Best bet is to repalace the axle. Good luck.

Mike OH
'52 8N 515797

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Dell (WA)

02-08-2002 07:05:11




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 Re: 8N AXEL / HUB CONNECTION in reply to Fred, 02-08-2002 05:42:56  
Fred..... .axle & hub are a taper fit of diameters. And no, I don't know how to make yours fit, but I suspect its a bad combination of tolerances..... ..sorry, Dell



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Fred

02-08-2002 07:31:30




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 Re: Re: 8N AXEL / HUB CONNECTION in reply to Dell (WA), 02-08-2002 07:05:11  
Thanks guys, I guess I knew that it wasn't going to work but I guess I just needed to hear it from other folks that has "been there". Thanks again, I'll go by and buy the axel today. Fred



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