Question about Bosch Die Grinder 1215

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Replacing carbon brushes

How do I dettach the motor housing from the housing cover?

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The housing cover is removed by removing the one Torx (t-20 or t-25 ) screw from the end of the housing where the power cord goes inside.  Once this screw is removed the brushes can be quickly replaced.  Go to this page for an exploded diagram.

The screw you want to remove the housing is listed as part 130 in the diagram.  Then the brush (part 801) can be unplugged an removed from brush holder (part 116) by gently pulling back the brush spring (part 126). Then the spring must be held back to install the new brush. Then plug it in, and replace the other brush, test the unit before replacing the housing cover.  The blue sparks generated by running the unit are normal and will decrease as the new brushes are worn to the shape of the armature.  Good Luck!

Posted on Jan 05, 2009

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