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DRILLING
WARNING! Every time you use the drill you should verify the following:
1. The chuck is tight.
2. The workpiece is properly secured.
3. Safety glasses are being worn.
•
Failure to adhere to these safety rules can greatly increase the chances of injury.
•
When drilling smooth hard surfaces such as metal, use a centre punch to mark the
desired hole location. This will prevent the drill bit from slipping off centre as
the hole is started.
NOTE:
Use slower drilling speeds when drilling larger holes.
NOTE:
Use a masonry bit with the drill in impact mode ONLY when drilling in concrete.
•
The workpiece to be drilled should be secured in a vise or with clamps to keep it from
turning as the drill bit rotates (See Figure 9).
4. Check the drill bit to make sure it is firmly locked into the drill chuck and the forward / reverse switch is in
the forward position.
5. Hold the drill firmly with both hands whenever possible. Use one hand to grasp the handle and switch and
the other to grasp the body of the drill.
NOTE: Make sure the hand placed on the body of the drill does not cover the air vents. Covering these air
vents will reduce the motor cooling and possibly lead to overheating the motor.
6. While holding the drill firmly, place the point of the drill bit at the point to be drilled. Depress the trigger
switch to start the drill.
7. Move the drill bit into the workpiece applying only enough pressure to keep the bit cutting. Do not force the
drill bit or apply sideways pressure to elongate the hole.
WARNING! Be prepared for binding and bit breakthrough. When these situations occur, the drill bit has the
tendency to grab the workpiece. This action will kick the drill opposite to the direction of the drill bit's rotation
and could cause a loss of control when breaking through the material as you complete drilling the hole. If you
are not prepared, this loss of control can result in possible serious injury.
When drilling metals, use a light oil on the drill bit to keep it from overheating. The oil will prolong the life of the drill
bit and improve the drill cutting action. If the bit jams in the workpiece or if the drill stalls, release the trigger switch
immediately. Remove the bit from the workpiece and determine the reason for the jam.
DRILLING IN CONCRETE
WARNING! Always use a face shield when drilling in concrete.
Always use the impact mode and slower drill speeds for faster drilling in concrete.
Always use carbide tipped masonry bits.
10
1/2 in. Hammer Drill
For technical questions call: 1-800-665-8685
8416331
Figure 9
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