Disassembly Instructions for a Black & Decker Drill Chuck

Written by mary lougee
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Disassembly Instructions for a Black & Decker Drill Chuck
Drill chucks hold the bits firmly in place for drilling holes. (drill #3 image by Adam Borkowski from Fotolia.com)

Black & Decker manufactures power tools including several models of drills. Some of the drills are cordless and use a battery pack. The remainder of the drills are corded versions that use electricity for power in drilling. There are keyed drill chucks and keyless chuck drills. The keyed style uses a chuck key to tighten and loosen chuck jaws on drill bits. The keyless style involves holding the chuck in place, turning a knob and pressing the power switch to tighten and loosen the jaws. Chucks that no longer hold drill bits firmly need replacing.

Skill level:
Easy

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Things you need

  • 1/2-inch Allen wrench
  • Hammer
  • 2 chuck removal wedges

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Instructions

  1. 1

    Remove the battery pack from a cordless drill or unplug the cord on a corded model.

  2. 2

    Insert the chuck key into the key hole. Turn the chuck key counterclockwise to open the jaws fully.

  3. 3

    Insert a small Phillips screwdriver into the chuck and remove the screw inside by turning it clockwise. Some Black and Decker models do not have a retaining screw inside the chuck jaws. If there is no visible screw inside the jaws, skip this step.

  4. 4

    Slide the short end of a large Allen wrench into the chuck jaws. Tighten the jaws by turning the chuck key clockwise.

  5. 5

    Set the Black & Decker drill on the edge of a counter or workbench with the chuck hanging over the edge.

  6. 6

    Strike the Allen wrench in the jaws to turn it counterclockwise. This will loosen the chuck. Unscrew the chuck by hand and pull it straight off the drill.

  1. 1

    Place one chuck removal wedge just behind the chuck from one side of the drill with the opening facing the centre of the chuck.

  2. 2

    Place a second chuck removal wedge in the same area from the other side of the drill in the same manner. The edges of the two wedges will overlap in the middle of the chuck.

  3. 3

    Hammer each wedge tightly against the drill to loosen the chuck. The wedge shape separates the chuck from the spindle housing directly behind it.

Tips and warnings

  • Chuck retaining screws inside the jaws are left-handed screws that turn clockwise to loosen and remove.
  • Do not let chucks fall on the ground when removing or replacing them. Dents or dings in the metal will not allow them to turn levelly on a drill.

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