DeWalt DC920-XE Instruction Manual page 11

3. Insert the accessory about 3/4" (19 mm) into the chuck and tighten securely by
rotating the chuck sleeve clockwise with one hand while holding the tool with the
other hand. Continue to rotate the chuck sleeve until several ratchet clicks are
heard to ensure full gripping power.
FIG. 3
FIG. 5
To release the accessory, repeat step 2.
Be sure to tighten chuck with one hand on the chuck sleeve and one hand holding the
tool for maximum tightness.
FIG. 4
E
SELF-TIGHTENING CHUCK OPERATION (FIG. 6–8)
(DC925-XE, DC926-XE, DC935-XE, DC936-XE, DC945-XE)
To insert a drill bit or other accessory:
1. Lock the trigger in the OFF position.
2. Grasp the chuck sleeve (F) with one hand and use the other hand to secure the
tool as shown in Figure 6. Rotate the sleeve counterclockwise (viewed from the
front) far enough to accept the desired bit or accessory.
FIG. 6
F
3. Insert the bit or other accessory about 19mm (3/4") into the chuck, as shown
in Figure 7. Grasp the chuck sleeve (F) securely and rotate the sleeve clockwise
(viewed from the front) with one hand while using the other hand to secure the
tool. Rotate the sleeve clockwise until sleeve cannot be rotated any further, as
demonstrated in Figure 8. As the drill is being operated in the forward position,
the chuck will continually self tighten the jaws of the chuck onto the bit or
accessory to maximize the bit gripping strength.
To release the accessory, repeat Step 2.
9
FIG. 8
FIG. 7