Question about Metabo SR20 23 1/3 Sheet Orbital Finishing Sander

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I have a Metabo SR20 23 1/3 Sheet Orbital Finishing Sander. After three years and very occasional use it stopped working properly. Now it only moves very slowly. Moreover, the screws that holds it together are neither phillips heads nor hex screws, so it is difficult to attempt to fix it.

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The screw are Torx size T15. Sears and most hardware stores will carry them.

The most common cause of this type of failure is bearings. Dust will settle on the bearing. Through capillary action, the dust will eventually dry out the bearing. This can happen even if the tool is used very little. Blowing out the tool with compressed air after use can help prolong bearing life.

Posted on Jan 15, 2010

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The standered screws in the sander are Torx. You will need a torx 15 or 20 (cant remember which) to take it apart.

Posted on Jun 10, 2009

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