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DEPTH
STOP ROD
DRILL BIT
TO DECREASE
DRILLING DEPTH
AUXILIARY
HANDLE ASSEMBLY
TO INCREASE
DRILLING DEPTH
DRILLING
DEPTH
DEPRESS HERE
TO ADJUST
DEPTH STOP ROD
OPERATION
SELECTING HAMMER MODE OR DRILLING
MODE
See Figure 10.
To adjust for type of drilling, slide the selector on top of the
motor housing to hammer mode or drilling mode. The ham-
mer mode symbol is on the right and the drill bit symbol is
on the left.
NOTE: The hammer drill has not been designed for reverse
hammering.
Use carbide-tipped bits and select hammer mode when
drilling in hard materials such as brick, tile, concrete, etc.
Select normal drill mode when drilling with twist drills, hole
saws, etc., in soft materials.
ANTI-VIBRATION SYSTEM
See Figure 11.
The hammer drill is equipped with an anti-vibration system
that absorbs impacts while drilling. When sharp impacts hap-
pen, the hammer drill body will flex, as shown in figure 11.
Fig. 10
HAMMER MODE
DRILLING/HAMMER
MODE SELECTOR
Fig. 9
TO TIGHTEN
TO LOOSEN
360°
ROTATION
DRILLING MODE
To adjust the auxiliary handle assembly:
Loosen the auxiliary handle assembly by turning the knob
counterclockwise.
Rotate the auxiliary handle assembly to the desired
location.
Tighten the auxiliary handle assembly securely by turning
the knob clockwise.
Be sure the handle assembly is securely tightened against
the depth stop clamp. This secures the handle assembly.
NOTE: For convenience and ease of starting threads, the
hex nut has been trapped inside the molded slot in the
handle assembly.
ADJUSTING THE DEPTH STOP ROD
See Figure 9.
Follow these steps to adjust the depth stop rod.
Press the depth stop rod release button.
Adjust the depth stop rod so that the drill bit extends
beyond the end of the rod to the required drilling depth.
Release the depth stop rod release button.
NOTE: When properly installed, the teeth on the depth stop
rod should be aligned with the teeth indicator on the depth
stop clamp.
Adjust the depth stop rod so that the drill bit extends beyond
the end of the rod to the required drilling depth.
When drilling holes with the depth stop rod installed, the
desired hole depth has been reached when the end of the
rod comes in contact with the surface of the workpiece.
Fig. 11