# How to Remove the Chuck on a DeWalt DC920 Cordless Drill Driver
The Dewalt DC920 cordless drill driver is a quality tool that should last you many years. There may come a time, however, when you will need to service the drill. While rare, you may need to replace the chuck because it is worn, or if one of the jaws breaks off. Replacing the chuck is not difficult. It takes just a few minutes to remove the old chuck and install the new one.
Things You'll Need
- Torx driver
- Wooden mallet
Instructions
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1
Close the drill chuck all the way until it stops, but do not over-tighten it. Insert the chuck key into the chuck. Strike the chuck key sharply several times with the mallet to loosen the retaining screw inside the chuck.
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2
Turn the drill chuck so that the jaws fully open. Insert the Torx driver into the chuck and remove the retaining screw. The screw has left-handed threads so you need to turn it counter clockwise to remove it.
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3
Insert the chuck key into one of the openings on the side of the chuck. Strike the key several times with the mallet in a counterclockwise direction to loosen the chuck from the body of the drill. This may take several attempts since there is no way to hold the motor still as you strike the key with the mallet.
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1
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