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The center position of the control button locks the tool
in the off position. When changing the position of the
control button, be sure the trigger is released.
nOTE: The first time the tool is run after changing the
direction of rotation, you may hear a click on start up. This is
normal and does not indicate a problem.
Overload Clutch
In case of jamming of a drill bit, the drive to the drill spindle
is interrupted by the overload clutch. Due to the resulting
forces, always hold the tool with both hands and take a
firm stance. After the overload, release and depress the
trigger to re-engage drive.
WARNING: Drill may stall if overloaded causing a
sudden twist. Always expect the stall. Grip the drill
firmly to control the twisting action and avoid injury.
Operation Modes (Fig. I)
WARNING: Do not select the operating mode when
the tool is running.
CAUTION: Never use in Rotary Drilling or Rotary
Hammering mode with a chisel bit in the bit holder.
Personal injury and damage to the the tool may result.
Your tool is equipped with a mode selector dial
select the mode appropriate to desired operation.
symbol
Mode
Rotary Drilling
Rotary
hammering
hammering
only
To select an operating mode:
1. Depress the mode selector release button
2. Rotate the mode selector dial so that the arrow points to
the symbol corresponding for the desired mode.
nOTE: The arrow on the mode selector dial
pointing at a mode symbol at all times. There are no
operable positions in between. It may be necessary to briefly
run the motor after having changed from 'hammering only'
to 'rotary' modes in order to align the gears or to position
the chisle bit.
Performing an Application (Fig. A, H)
WARNING: TO REDUCE THE RISK OF PERSONAL
INJURY, ALWAYS ensure workpiece is anchored or
clamped firmly. If drilling thin material, use a wood
"back-up" block to prevent damage to the material.
WARNING: Always wait until the motor has come to
a complete standstill before changing the direction
of rotation.
1. Choose and install the appropriate chuck, adapter, and/
or bit onto to the tool. Refer to Bit and Bit Holder.
6
to
Application
Screwdriving
Drilling into steel, wood
and plastics
Drilling into concrete
and masonry
Light chipping
.
7
6
must be
2. Using the mode selector dial
appropriate to desired application. Refer to
Operation Modes.
3. Adjust the side handle
3
4. Select the direction of rotation using the forward/
reverse button
4
. When changing the position of the
control button, be sure the trigger is released.
-
To select forward rotation, press the for ward/re verse
control button on the right side of the tool.
To select reverse, press the forward/reverse control
-
button on the left side of the tool.
nOTE: The center position of the control button
locks the tool in the off position.
5. Place the bit/chisel on the desired location.
6. Depress the trigger switch
the trigger switch, the faster the tool will operate. For
maximum tool life, use variable speed only for starting
holes or fasteners.
7. To stop the hammer, release the switch.
Drilling in Metal
A SDS PLUS to round shank adaptor chuck is required.
Ensure that tool is in Rotary Drilling mode. Start drilling with
slow speed and increase to full power while applying firm
pressure on the tool. A smooth even flow of metal chips
indicates the proper drilling rate. Use a cutting lubricant
when drilling metals. The exceptions are cast iron and brass
which should be drilled dry.
nOTE: Large (5/16" to 1/2" [7.9 mm to 12.7 mm]) holes
in steel can be made easier if a pilot hole (5/32" to 3/16"
[4 mm to 4.8 mm]) is drilled first.
Drilling in Wood
A SDS PLUS to round shank adaptor chuck is required.
Ensure that tool is in Rotary Drilling mode. Start drilling with
slow speed and increase to full power while applying firm
pressure on the tool. Holes in wood can be made with the
same twist drills used for metal. These bits may overheat
unless pulled out frequently to clear chips from the flutes.
For larger holes, use spade bits, power auger bits, or hole
saws. Work that is apt to splinter should be backed up with
a block of wood.
Drilling in Masonry
When drilling in masonry, use carbide-tipped bits rated for
percussion drilling and be certain that the bits are sharp.
Use a constant and firm force on the tool to drill most
effectively. A smooth, even flow of dust indicates the proper
drilling rate.
Recommendations for Tool Operation
•
When drilling, always apply pressure in a straight line
with the bit, but do not push hard enough to stall the
motor or deflect the bit. A smooth even flow of material
indicates the proper drilling rate.
Chipping and Chiselling (Fig. A, I)
1. Press the mode selector release button
mode selector dial
6
to the "Hammering only" symbol.
2. Insert the appropriate chisel and rotate it by hand to
lock it into one of 51 positions.
English
6
, select the mode
as necessary.
. The farther you depress
5
7
and rotate the
9
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