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8N Rear Axel Hub

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Fred

02-05-2002 05:16:43




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Help, I just bought a "new" axel hub for my 8N and put it on. The axel will rotate fine except when I tightened the big nut and then it won't turn. I loosen the big nut and it will turn again. The splines on the axel look good but the old hub was really worn out but atleast it would turn even with the big nut tight. What should I check tonight? I have not taken the bearing/race thing apart so I know I hadn't done anything wrong-----yet. Thanks.

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ZANE

02-05-2002 15:42:07




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 Re: 8N Rear Axel Hub in reply to Fred, 02-05-2002 05:16:43  
What you need to do is to tighten the nut till it won't turn and then remove the nut and observe the end of the spline on the axle. If the flat of the end of the spline is even with the spline of the hub then the axle is worn past where it would have tightened before the hub got against the brake springs under the drum.

If this is the case and the two splines have met at the end of the axle spline then you might want to try the fix that I have used a few times in the past. Actually you can sometimes fix a pretty bad axle and hub.

loosen the hub and pull it about half way off the axle. Find some banding material that will just fill the smallest part of the axle spline and then cut six pieces so that they are the lenght of the spline on the hub and axle. Push the pieces of the banding material up the spline until they are nearly even with the outer end of the axle spline. Then hammer the hub up on the axle until you can get the nut started and tighten it as tight as you can with a 3/4"drive pull handle and a 3 foot cheater bar. Don't strip the threads on the nut or axle because you can if you just keep on tightening. After you have it pretty tight then remove the nut and see if any of the banding materials is protruding out from the end of the spline. If it is then cut it off even with a chisel or a Dremmel tool etc. Then retighten the nut.

Cross you fingers and use it for an hour or so and then retighten the nut. If it is still tight then you are in business. Check it at intervals of about two hours until you are sure it will stay tight.

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Fred

02-06-2002 11:13:05




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 Re: Re: 8N Rear Axel Hub in reply to ZANE, 02-05-2002 15:42:07  
Thanks to all of the answers. I just got back from the tractor place and bought new bearing, race, seals, ect. Gonna put it back together without any shims tomorrow night and hope I can use the old axel. "The flats on the ends of both the axel and hub are almost straight across from each other". Thanks again, I'll keep ya'll posted, Fred.



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Ken in PA

02-05-2002 15:34:11




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 Re: 8N Rear Axel Hub in reply to Fred, 02-05-2002 05:16:43  
Sounds like a puzzle to me?

If the old hub was that worn then there should be no way the new one should be going on as far?

You didn't do the seal or anything else but the hub?

The left hub on mine was so worn that the brake drum actually ground the extra brake spring off of the shoe! The axle DID look really nice I think because it is so much harder than the hub.

Did you carefully compare the new hub to the old one?

Good luck and keep us posted

Ken

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Bill W.

02-05-2002 14:21:56




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 Re: 8N Rear Axel Hub in reply to Fred, 02-05-2002 05:16:43  
Sometimes a second big, flat washer between the nut and hub will permit proper shim effect to be able to tighten axel nut on the hub.



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Dave Todd

02-05-2002 12:22:08




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 Re: 8N Rear Axel Hub in reply to Fred, 02-05-2002 05:16:43  
Fred, I had an ol boy tell me one time, that if the hub is worn, then so is the axle. If you replace one, you should replace the othere also.
Good Luck!!!
Dave



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John, PA

02-05-2002 07:40:04




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 Re: 8N Rear Axel Hub in reply to Fred, 02-05-2002 05:16:43  
You'll probably have to get some shims to shim out the houseing.



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