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9N Brakes and Sure Seal repalcement

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Pokey

07-16-2002 12:45:15




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We have the drum and axle off the tractor. How does the seal that is attacted to the axle come off? It moves about a half inch and turns but will not come off of the axle. What is the trick in getting it off? I need to get it off to check the bearings right? What new parts should I replace since I am this far? Brakes look good just need degreased. Thanks, Pokey




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SteveB(wi)

07-17-2002 05:37:58




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 Re: 9N Brakes and Sure Seal repalcement in reply to Pokey, 07-16-2002 12:45:15  
To remove the retainer I first drilled some holes in a line down it then split it with a sharp chisel along the holes. Don't go all the way through into the axle when drilling.



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Don, Luling LA

07-16-2002 20:20:51




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 Re: 9N Brakes and Sure Seal repalcement in reply to Pokey, 07-16-2002 12:45:15  
Actually you don't need to heat the bearing retainer to bright red to get it on. I just used a propane torch and got it pretty hot, not red and it slipped right on. I tried the chisel technique to remove the old retainer but it's pretty tuff, ended up using a side cutter to remove it, easy if you have one. If you use the sure seal I would pack the bearings with grease since they seal from the inside the bearing will no longer get the oil from the differential area.

I did have some trouble getting my sure seal to stay in place on one of the axle housings, it wanted to wobble loose. The guy who had the tractor before me also had the same problem and tried using form a gasket to make it stay but it still leaked oil really bad into the brake because the form a gasket didn't hold. I ended up using loctite 271 and a little heat to quicken up the cure time to make the seal stay in place and haven't had any trouble since.
Good luck

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Don, Luling LA

07-16-2002 20:16:27




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 Re: 9N Brakes and Sure Seal repalcement in reply to Pokey, 07-16-2002 12:45:15  
Actually you don't need to heat the bearing retainer to bright red to get it on. I just used a propane torch and got it pretty hot, not red and it slipped right on. I tried the chisel technique to remove the old retainer but it's pretty tuff, ended up using a side cutter to remove it, easy if you have one. If you use the sure seal I would pack the bearings with grease since they seal from the inside the bearing will no longer get the oil from the differential area.
Good luck

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Levi (WA)

07-16-2002 15:19:45




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 Re: 9N Brakes and Sure Seal repalcement in reply to Pokey, 07-16-2002 12:45:15  
do yourself a favor...replace the shoes...

just my .02



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ED-IL

07-17-2002 06:35:32




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 Re: Re: 9N Brakes and Sure Seal repalcement in reply to Levi (WA), 07-16-2002 15:19:45  
Good Advice - brake shoes aren't that hard to replace or too expensive to obtain.



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ED-IL

07-16-2002 13:01:03




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 Re: 9N Brakes and Sure Seal repalcement in reply to Pokey, 07-16-2002 12:45:15  
From the factory, the bearing should be visible from the axle side, since the bearing is lubricated from the transmission fluid. The bearing retainer (which is what I think you are saying is able to move a little) is heat shrink fitted on the axle. If I remember correctly, the FO-4 manual shows a chisel being used to break and remove the bearing retainer and the new retainer has to be heated bright red and slipped over the axle and allowed to cool.

third party image

Here is a pick of the axle with sure seal installed. Remember when installing the sure seals that the tranny fluid will no longer be able to get to the bearing, so now it the time to pack it with grease.

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