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Tractor Talk Discussion Forum

Epoxy for an axle seal groove repair ?

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Amateur Mechani

08-15-2003 19:42:03




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Have an axle shaft here that has a groove in it from the former seal wearing into it. I know that I can put on one of those "sleeves" over the axle but being a bit on the cheap side (and always wanting to do things the haywore repair way) I was wondering how one of the epoxy fillers (Devcon, JB Weld, Liquid Steel) would work. I would sandblast the groove, then apply the filler and machine it smooth. Would this stand up over time (the tractor will have very limited use). I can always get to it later if it doesn't work since it is the outer grease seal and the seal is in the outer removeable housing.

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RAB

08-17-2003 00:02:35




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 Re: Epoxy for an axle seal groove repair ? in reply to Amateur Mechanic, 08-15-2003 19:42:03  
As it was a felt seal originally and is a grease seal on a slow moving shaft you may well get away with it. The seal was, afterall, as much to keep dirt out as grease in. The instructions in those days may well have said to grease regularly and until grease pushed out a little of the old grease (along with any dirt). As its grease, it won't get lubed by splash and will soon wear if it gets dry.
Regards, RAB

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Amateur Mechanic

08-16-2003 05:43:13




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 Re: Epoxy for an axle seal groove repair ? in reply to Amateur Mechanic, 08-15-2003 19:42:03  
Thanks everyone for the advice. I pieced things together and looked a bit more carefully and actually the new seal (in it's housing) is contacting smooth axle surface. The bearing on this side had once been replaced (it wasn't the original Timken bearing) so years ago there must have been some problem other than the seal grooving the axle, maybe scraping on some failed part or chunk of metal from the first bearing. It did seem like a messy groove for a felt seal (the original seal was felt) to wear. I'm pretty sure it'll be OK.

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Amateur Mechanic

08-16-2003 05:42:05




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 Re: Epoxy for an axle seal groove repair ? in reply to Amateur Mechanic, 08-15-2003 19:42:03  
Thanks everyone for the advice. I pieced things together and looked a bit more carefully and actually the new seal (in it's housing) is contacting smooth axle service. The bearing on this side had once been replaced (it wasn't the original Timken bearing) so years ago there must have been some problem other than the seal grooving the axle, maybe scraping on some failed part or chunk of metal from the first bearing. It did seem like a messy groove for a felt seal (the original seal was felt) to wear. I'm pretty sure it'll be OK.

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Diesel Dan

08-15-2003 22:09:31




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 Re: Epoxy for an axle seal groove repair ? in reply to Amateur Mechanic, 08-15-2003 19:42:03  
Try moving the seal in or out a small amount from the orginal position to get a new area for the seal to ride on. Also you might try locating a wider seal, perhaps a double lip seal. Most bearing places can match something up. I have used two narrow seals in place of one wide seal with excellant results.



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Bill Paschal

08-15-2003 22:05:36




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 Re: Epoxy for an axle seal groove repair ? in reply to Amateur Mechanic, 08-15-2003 19:42:03  
I have a Ford 3400 that had a gouge in the hydraulic cylinder rod on the bucket lift. It would wreck the seal any time you raised the bucket to far. I repaired it with JB Weld and haven't had any problems with it sence. Just put the JB Weld in the groove and wrap it with a piece of polyethelene plastic so you can smooth it out with your finger. Make sure there aren't any air bubbles in the patch. When dry sand with 1000 grit emory paper. LOL

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Jailkeeper

08-15-2003 21:58:58




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 Re: Epoxy for an axle seal groove repair ? in reply to Amateur Mechanic, 08-15-2003 19:42:03  
I always do both. Fill the groove with some JB Weld and sand it smooth with emery cloth after is sets up. Then install the wear sleeve. Most sleeves are inexpensive, and it's just not worth putting most things back together if you know it won't last.



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Howard Yoshida

08-15-2003 21:40:54




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 Re: Epoxy for an axle seal groove repair ? in reply to Amateur Mechanic, 08-15-2003 19:42:03  
Aloha, I guess for a band-aid patch it would stop the leak. If the original seal grooved the steel axle it will surely groove the patch faster. I would go with the sleeve for a better fix.

Mahalo,
Howard



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Duane(Pa)

08-15-2003 20:29:49




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 Re: Epoxy for an axle seal groove repair ? in reply to Amateur Mechanic, 08-15-2003 19:42:03  
Go for it with JB that stuff is amazing.



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