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Tool Talk Discussion Forum

Replacing pump bearings

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Dave Gibson

02-18-2007 09:54:32




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I have a Obendorfer coolant pump. As part of the replacing the seals, I need to replace the bearing that are in the howsing. They are not the tap out type, for three of them there is no way to tap them out. Any ideas on how I ahould pull and replace these bearings?

Thanks
Dave




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Glen in TX

02-18-2007 10:22:20




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 Re: Replacing pump bearings in reply to Dave Gibson , 02-18-2007 09:54:32  
If it's just the bearing race in a blind hole you can lay down a short weld bead of about a inch or less on the race and it will shrink when cooling and should fall right out then. Just don't weld the race to the pump. If other kind of bearing in blind hole there are expanding spreaders of different kinds made to go on slide hammer pullers that will pop it out. You may can rent a puller that will work if you don't have one.

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Dave Gibson

02-18-2007 12:22:48




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 Re: Replacing pump bearings in reply to Glen in TX, 02-18-2007 10:22:20  
Thanks for the ideas - the welding did the trick. Neet idea. Thanks Dave



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