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If your Dewalt 20V Impact Driver (model DCF885) doesn’t work, or it has little power even though the battery is fully charged, use this guide to replace the motor assembly.
The motor assembly uses battery power to spin the chuck. A faulty motor will cause the Impact Driver to not work, have little power, or produce smoke when it’s being used.
Before using this guide, use this troubleshooting guide to make sure that the motor is the faulty part. Be sure that the battery is removed before fixing the Impact Driver.
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Press the battery release button at the top of the battery.
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Remove the eight 18 mm Torx Security #10 screws.
The area circled in red in the center of the three circles in a row going left to right above the trigger in the picture above is not a screw, it is just a square open area. The 8th screw is hidden by the persons hand in the picture, it is located just to the left of their thumb.
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Separate the two halves of the outer case. Set the empty side down and out of the way.
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Disconnect the connector from the motor assembly.
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Pull the motor away from the brush assembly.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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South Arkansas Community College, Team S1-G1, Mitchell Spring 2019 crwdns2935289:0South Arkansas Community College, Team S1-G1, Mitchell Spring 2019crwdne2935289:0
SACC-MITCHELL-S19S1G1
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That's not the motor assembly. That's the Gearbox. The motor and brush assembly are together in the rear of the drill.
