4. Position the power tool and drill bit at the point
where the hole is to be drilled.
5. Press the control switch slowly (drill at a low
speed until the drill bit centers itself in the hole).
6. Press the control switch fully to continue drilling
with full power.
7. Adjust the pressure applied to the power tool
according to the material you are working on. This
will ensure the optimum rate of drilling progress.
8. Reduce drilling speed shortly before breaking
through in order to avoid spalling.
7.2.4 Chiseling
NOTE
The chisel can be adjusted to 18 different positions.
This ensures that flat chisels and shaped chisels can
always be set to the optimum working position.
NOTE
Check that the connection end of the insert tool is
clean and lightly greased. Clean it and grease it if
necessary.
7.2.4.1 Chisel position adjustment
12
CAUTION
Do not operate the power tool when the selector
switch is set to “Chisel adjustment”.
1. Turn the function selector switch until it engages
in the “Chisel adjustment” position. Do not oper-
ate the function selector switch while the motor
is running.
2. Bring the side handle into the desired position
and check that it is fitted correctly and secured.
3. Rotate the chisel to the desired position.
7.2.4.2 Locking the chisel
13
Turn the function selector switch until it engages in
the “Chiseling” position. Do not operate the function
selector switch while the motor is running.
7.2.4.3 Chiseling
13
1. Fit the battery.
NOTE
Do not operate the function selector switch
while the motor is running.
2. Position the tip of the chisel at the point where
chiseling is to begin.
3. Press the control switch.
7.2.5 Forward / reverse
NOTE
The forward / reverse switch is used to select the
direction of rotation of the drive spindle. An interlock
prevents switching while the motor is running. The
control switch is locked when the forward / reverse
switch is in the middle position.
For forward rotation, push the forward / reverse
switch on the side of the power tool toward the chuck
in the direction of the arrow.
For reverse rotation, push the forward / reverse switch
on the side of the power tool toward the grip in the
direction of the arrow.
Bring the forward / reverse switch into the desired
position.
7.2.6 Reading the charge status LED display on
Li
‑
ion batteries
14
NOTE
Indication of the charge status is not possible while
the power tool is in operation or immediately after
operation. Indication is given (LED 1 blinks) only
when the battery is fully discharged or when it is too
hot (temperature >80°).
The Li-ion battery features a charge status LED dis-
play. During charging, charge status is indicated by
the display on the battery. This information is not
available for 3-4 seconds after using the power tool.
When the battery is at rest (not in use), its charge
status is indicated by the four LEDs on the battery
for a time of three seconds after pressing one of the
battery release buttons.
See section: 2.9 Li
‑
ion battery charge status
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