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Spun bearing on xlt

Polaris General Discussion

 
 
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  #1  
Old 11-14-2009
Excaliber Indy
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Thumbs down Spun bearing on xlt

So for shits and giggles I opened up the crank case on my spare engine and looks like the bearing has spun a couple of times on the case. Pto side as always, so my question is how much damage ,if any can it Take begore you can't re use the case. if a bearing spun a couple times it doesn't look all that bad it only has a mild groove wore from the bearing pin but it is aluminum.
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Old 11-14-2009
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have a machine shop measure it for you compared to the other bearing holes. there is a crush spec so its pretty important to not be sloppy.
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nothing goes like 3 holes.

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  #3  
Old 11-14-2009
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There's pins in those bearings, they shouldn't spin
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  #4  
Old 11-14-2009
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as the bearing starts to fail it gets tight, that little pin wont stop it from spinning.
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  #5  
Old 11-14-2009
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Does the pin sheer or does it spin in the case and chew it up?
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  #6  
Old 11-14-2009
Excaliber Indy
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It looks like the pin just spins wich isn't surprising aluminum is very soft. I'm a b pressure welder and have seen alot of crazy shit go on with aluminum, if anyone is ever up for a challenge try tig welding it.
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  #7  
Old 11-15-2009
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I'm wondering if a longer pin in the bearing might solve the problem. I hope I can reuse my case. If not there's a 97 rebuilt 700 I've been watching on the Internet And if work was a bit busyer I'd buy it in a heart beat.
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Old 11-15-2009
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Quote:
Originally Posted by Excaliber Indy View Post
It looks like the pin just spins wich isn't surprising aluminum is very soft. I'm a b pressure welder and have seen alot of crazy shit go on with aluminum, if anyone is ever up for a challenge try tig welding it.
Haha I hear you for a class I had in HS, that was our last thing to do before we started the final project in the class was to TIG weld aluminum in I think 4 joints. I got an A but it would have been turned down by any professional that's for sure.
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  #9  
Old 11-15-2009
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Tig welding AL is easy, given you have thick enough material to work with. It's always fun to see someone split a pop can in half and then tig weld it back together with no filler.
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