Installing and Removing Bits, Right, Drilling

OPERATION

INSTALLING AND REMOVING BITS

■	Place the direction of rotation selector at the center
	position. This will lock the switch trigger in the off
	position.
■	Open or close the chuck jaws to a point where the

CHUCK BODY

CHUCK JAWS

opening is slightly larger than the bit size you intend to

use. Also, raise the front of your drill slightly to keep the

bit from falling out of the chuck jaws.

■ Insert your drill bit into the chuck the full length of the

jaws. See Figure 8.

■ Tighten the chuck jaws on the drill bit. To tighten, grasp

and hold the collar of the chuck with one hand, while

rotating the chuck body with your other hand.

DRILL BIT

CHUCK COLLAR

Note: Rotate the chuck body in the direction of the arrow marked GRIP to tighten the chuck jaws. DO NOT use a wrench to tighten or loosen the chuck jaws.

RIGHT

Fig. 8

WARNING:

Do not insert drill bit into chuck jaws and tighten as shown in figure 9. This could cause drill bit to be thrown from drill resulting in possible serious personal injury or damage to the chuck.

REMOVING BITS

See Figure 8.

■Place the direction of rotation selector at the center position. This will lock the switch trigger in the off position.

■ Loosen the chuck jaws from drill bit.

■To loosen: grasp and hold the collar of the chuck with

one hand, while rotating chuck body with your other hand.	WRONG

Note: Rotate chuck body in the direction of the arrow marked RELEASE to loosen chuck jaws. DO NOT use a wrench to tighten or loosen the chuck jaws.

■Remove drill bit from chuck jaws.

DRILLING

See Figure 10.

When drilling hard, smooth surfaces, use a center punch to mark the desired hole location. This will prevent the drill bit from slipping off center as the hole is started. However, the lower speed feature allows starting holes without center punching if desired. To accomplish this, simply operate your drill at lower speed until the hole is started.

The material to be drilled should be secured in a vise or with clamps to keep it from turning as the drill bit rotates.

Hold tool firmly and place the bit at the point to be drilled.

Depress the switch trigger to start tool.

Move the drill bit into the workpiece, applying only enough pressure to keep the bit cutting. Do not force or apply side pressure to elongate a hole.

Fig. 9

Fig. 10

Page 10

R10510, R10520, R10530 specifications

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