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E N G L I S H
• Mark the spot where the hole is to be drilled.
• Place the drill bit on the spot and press the
ON/OFF-switch (1).
• To stop the tool, release the ON/OFF-switch (1).
Always switch off the tool when work is finished
and before unplugging.
Drilling with a core bit (fig. A)
• Turn the electronic speed and impact control dial
(2) to medium or high speed position.
• Set the mode selector lever (4) to the
„hammer drilling" position.
• Fit and adjust the side handle (8).
• Insert the appropriate core bit.
• Assemble the centerdrill into the core bit.
• Place the centerdrill on the spot and press the
ON/OFF-switch (1). Drill until the core penetrates
into the concrete approx. 1 cm.
• Stop drilling and remove the centerdrill. Place the
core bit back into the hole and continue drilling.
• When drilling through a structure thicker than
the depth of the core bit, break away the round
cylinder of concrete or core inside the bit at
regular intervals.
To avoid unwanted breaking away of concrete
around the hole, first drill a hole the diameter of
the centerdrill completely through the
structure. Then drill the cored hole halfway
from each side.
• To stop the tool, proceed as described above.
Chipping and chiselling (fig. A)
• Set the electronic speed and impact control dial (2).
• Set the type of operation - Turn the option level
(4) to "cut only".
• Insert the appropriate chisel and rotate it by hand
to lock it into one of 8 positions.
• Fit and adjust the side handle (8).
• Press the ON/OFF-switch (1) and start working.
• To stop the tool, proceed as described above.
Various types of SDS-max
available as an option.
Consult BTI for further information on the
appropriate accessories.
Maintenance
Your BTI Power Tool has been designed to
operate over a long period of time with a minimum
32
®
drill bits and chisels are
of maintenance. Continuous satisfactory
operation depends upon proper tool care and
regular cleaning.
• The Rotary Hammer is not user-serviceable.
Take the tool to an authorized BTI repair agent
as soon as the service indicator LED (3) lights
up.
Lubrication
Your power tool requires no additional lubrication.
Cleaning
Keep the ventilation slots clear and regularly
clean the housing with a soft cloth.
Unwanted tools and the environment
Take your tool to an authorized BTI repair agent
where it will be disposed of in an environmentally
safe way.
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