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Old 08-11-2012, 09:57 PM
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Makita 9523NBH Grinder

Has anyone ever changed the bearings and brushes in a Makita 9523NBH grinder? I have had this grinder for quite a few years and it has really been a good one.

Well after years of use and abuse it has picked up a vibration and a decrease in rpm's. I also have to manually give the wheel a spin to get it going, not the safest thing to do, but it works.

Has anyone ever repaired this model grinder? Any tips or advise is appreciated.

Tom in SC
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Old 08-13-2012, 05:28 PM
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I would not bother as the repairs are way more than just retiring that one and getting a new grinder..Just not economic to repair that sort of tool..

Sam
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Old 08-13-2012, 08:12 PM
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I replaced the brushes in my 15 year old 4" Makita Grinder last year when it was doing the same thing you are describing. The brush set was about $8.00. It works good as new. Took me all of about 10 minutes to install them.

$8 to fix a $60 grinder makes perfect sense.

Makita has parts / repair shops nationwide.

Here's a couple links you might find helpfull:

Makita - Authorized Factory Service Centers

Makita 9523NBH Parts List and Diagram : eReplacementParts.com

Last edited by lakeroadster; 08-13-2012 at 08:22 PM.
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Old 08-14-2012, 12:54 PM
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Might also try ereplacementParts.com for power tool parts.
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