Introduction
The carbon brushes are one part that both wears out quickly and can cause a wide variety of problems if faulty. Follow these simple steps to replace them.
Parts
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Turn to the bottom of the device and remove the 5/8" (17mm) T15 Torx screw shown using a T15 Torx Screwdriver.
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Remove the outer casing to expose the brushes by pulling the end handle away from the field case.
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Using the iFixit opening tool, remove the female terminal connecting the carbon brush wire to the male terminal.
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Keeping a tight hold the entire time, move the spring covering the carbon brush so that it is behind the male terminal.
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Taking hold of the wire you removed in step 4, gently slide the carbon brush out of its casing and remove it from the device.
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Flip over the device to reveal the second carbon brush, and repeat steps 4 through 6 on the other side.
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Congratulations! To put your device back together, simply reverse the above steps.
