Operation Manual

ENGLISH
30
OPERATION
Instructions for Use
WARNING:
• Always observe the safety
instructions and applicable
regulations.
• For your own safety, always use the
tool with both hands.
• Be aware of the location of pipework
and wiring.
• Apply only a gentle pressure to
the tool (approx. 20 kg). Excessive
force does not speed up drilling
or chiselling but decreases tool
performance and may shorten
tool life.
Proper Hand Position (fi g. 1)
WARNING: To reduce the risk of
serious personal injury, ALWAYS use
proper hand position as shown.
WARNING: To reduce the risk of
serious personal injury, ALWAYS hold
securely in anticipation of a sudden
reaction.
Proper hand position requires one hand on the
side handle (h), with the other hand on the main
handle (l).
Switching On and Off (fi g. 1)
1. To switch on the tool, press the on/off
switch (a).
2. To stop the tool, release the switch.
Drilling with a Solid Bit (fi g. 1)
1. Insert the appropriate drill bit.
2. Set the mode selector switch (d) to the
“hammerdrilling” position.
3. Set the electronic speed and impact control
dial (b).
4. Fit and adjust the side handle (h).
5. If necessary, set the drilling depth.
6. Mark the spot where the hole is to be drilled.
7. Place the drill bit on the spot and switch on the
tool.
8. Always switch off the tool when work is finished
and before unplugging.
Drilling with a Core Bit (fi g. 1)
1. Insert the appropriate core bit.
2. Assemble the centerdrill into the core bit.
3. Set the mode selector switch (d) to the
“hammerdrilling” position.
4. Turn the electronic speed and impact control
dial (b) to a medium or high speed setting.
5. Fit and adjust the side handle (h).
6. Place the centerdrill on the spot and switch on
the tool. Drill until the core penetrates into the
concrete approx. 1 cm.
7. Stop the tool and remove the center drill. Place
the core bit back into the hole and continue
drilling.
NOTE: 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.
8. 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.
9. Always switch off the tool when work is finished
and before unplugging.
Chipping and Chiselling (fi g. 1)
1. Insert the appropriate chisel and rotate it by
hand to lock it into one of 8 positions.
2. Set the mode selector switch (d) to the
“hammering only” position.
3. Set the electronic speed and impact control
dial (b).
4. Fit and adjust the side handle (h).
5. Switch on the tool and start working.
6. Always switch off the tool when work is finished
and before unplugging.
MAINTENANCE
Your DEWALT power tool has been designed to
operate over a long period of time with a minimum
of maintenance. Continuous satisfactory operation
depends upon proper tool care and regular cleaning.
WARNING: To reduce the risk of
injury, turn unit off and disconnect
machine from power source before
installing and removing accessories,
before adjusting or changing set-ups
or when making repairs. Be sure the
trigger switch is in the OFF position. An
accidental start-up can cause injury.