INSTALLING BITS

See Figure 7.

Lock the switch trigger by placing the direction of rotation selector in center position. See Figure 13.

Open or close chuck jaws to a point where the open- ing is slightly larger than the bit size you intend to use. Also, raise the front of your drill slightly to keep the bit from f;_lling out of the chuck jaws.

Insert drill bit into chuck the full length of the jaws as shown in Figure 7.

CHUCKJAWS

DRILLBIT

LOCK

CHUCKSLEEVE

RIGHT

Fig. 7

Tighten the chuck jaws on drill bit. To tighten, grasp and hold the drill with one hand, while rotating the chuck sleeve with your other hand.

Note: Rotate the chuck sleeve in the direction of the arrow marked LOCK to tighten chuck jaws.

Do not use a wrench to tighten or loosen the chuck jaws.

,_ WARNING: Do not insert drill bit into chuck jaws and tighten as shown in Figure 8. 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 Z

Lock the switch trigger by placing the direction of rotation selector in center position. See Figure 13.

Loosen the chuck jaws from drill bit.

To loosen, grasp and hold the drill with one hand, while rotating chuck sleeve with your other hand.

Note: Rotate chuck sleeve in the direction of the arrow marked UNLOCK to loosen the chuck jaws.

Do not use a wrench to tighten or loosen the chuck jaws.

Remove drill bit from chuck jaws.

USING DEPTH GAGE ROD

See Figure 9.

A depth gage rod has been packed with your hammer drill to assist you in controlling the depth of drilled holes.

Loosen wing screw on auxiliary handle.

Orient depth gage rod so that markings on depth gage rod face markings on wear plate. See Figure 4. Insert depth gage rod through hole on auxiliary handle.

Adjust depth gage rod so that the drill bit extends beyond the end of the. rod to the required drilling depth.

Tighten wing screw securely. This secures depth gage rod at desired depth of cut. It also secures auxiliary handle.

WING

SCREW

WEAR

PLATE

DRILLBIT

TO

DEPTH

 

DRILLING

AUXILIARY

 

DEPTH

HANDLE

DRILLING

 

 

DEPTH

MARKINGSON

 

 

DEPTHGAGEROD

Fig. 9

When drilling holes with the depth gage rod installed, the desired hole depth has been reached when the end of the rod comes in contact with the surface of the material

being drilled.

Fig. 8

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Craftsman 315.27127 owner manual Installing Bits, Chuckjaws Drillbit Lock Chucksleeve, Removing Bits, Using Depth Gage ROD