English

ASSEMBLY AND OPERATION

APPLICATIONS

￿By combined actions of ROTATION and IMPACT: Boring holes in hard surfaces (concrete, marble, granite, tiles, etc.)

￿By ROTATIONAL action:Boring holes in metal, wood and plastic.PRIOR TO OPERATION1.Power source

Ensure that the power source to be utilized conforms to the power source requirements specified on the product nameplate.

2.Power switch

Ensure that the switch is in the OFF position. If the plug is connected to a receptacle while the switch is in the ON position, the power tool will start operating immediately and can cause serious injury.

3.Extension cord

When the work area is far away from the power source, use an extension cord of sufficient thickness and rated capacity. The extension cord should be kept as short as practicable.

WARNING:

Damaged cord must be replaced or repaired.4.Check the receptacle

If the receptacle only loosely accepts the plug, the receptacle must be repaired. Contact a licensed electrician to make appropriate repairs.

If such a faulty receptacle is used, it may cause overheating, resulting in a serious hazard.

5.Check your work environment

Confirm that the work site is placed under appropriate conditions conforming to prescribed precautions.

6.Side handle attachment

Attach the side handle to the mounting part. Rotate the side handle grip in a clockwise direction to secure it.

Set the side handle to a position that is suited to the operation and then securely tighten the side handle grip.

7.Selecting the appropriate drill bit￿When boring concrete or stoneUse the drill bits specified in the Optional Accessories.
￿When boring metal or plasticUse an ordinary metalworking drill bit.￿When boring wood

Use an ordinary woodworking drill bit. However, when drilling 1/4" (6.5 mm) or smaller holes, use a metalworking drill bit.

8.Mounting and dismounting of the bit For Drill chuck with chuck wrench (Fig. 2)

(1)Open the chuck jaws, and insert the bit into the chuck.

(2)Place the chuck wrench in each of the three holes in the chuck, and turn it in the clockwise direction (viewed from the front side). Tighten securely.

(3)To remove the bit, place the chuck wrench into one of the holes in the chuck and turn it in the counterclockwise direction.

ChuckDrill chuck
wrench

 

Tighten Loosen

Fig. 2

For keyless chuck (Fig. 3)

(1)Open the chuck jaws, and insert the bit into the chuck.

To open the chuck jaws, hold the retaining ring while turning the sleeve in the counterclockwise direction (viewed from the front side).

(2)Firmly grasp the retaining ring and turn the sleeve in the clockwise direction. Tighten securely.

(3)To remove the bit, firmly grasp the retaining ring and turn the sleeve in the counterclockwise direction.

NOTE:

When the sleeve does not become loose any further, fix the side handle to retaining ring, hold side handle firmly, then turn the sleeve to loosen by hand. (Fig. 4)

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