Use and Care Manual

7.2.3.1 Rotary drilling, 1st and 2nd gear 8
1. Turn the function selector switch to the 1st or
2nd gear rotary drilling position until it engages.
It may be necessary to turn the drive spindle
slightly.
2. Bring the side handle into the desired position
and check that it is fitted correctly and secured.
3. Plug the supply cord into the power outlet.
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 working
at 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.
7.2.3.2 Mixing
1. Turn the function selector switch to the 1st gear
rotary drilling position until it engages. It may be
necessary to turn the drive spindle slightly.
2. Bring the side handle into the desired position
and check that it is fitted correctly and secured.
3. Plug the supply cord into the power outlet.
4. Position the mixing paddle in the container hold-
ing the substance to be mixed.
5. To begin mixing, press the control switch slowly.
6. Press the control switch fully to continue working
at full power.
7. Guide the mixing paddle carefully in order to avoid
splashing and spillage.
7.2.3.3 Screwdriving
NOTE
Set the forward / reverse switch to suit the screwdriv-
ing operation to be carried out.
1. Turn the function selector switch to the 1st or
2nd gear rotary drilling position until it engages.
It may be necessary to turn the drive spindle
slightly.
2. Bring the side handle into the desired position
and check that it is fitted correctly and secured.
3. Plug the supply cord into the power outlet.
4. Press the control switch slowly until the screw
grips and is guided by the material into which it
is being driven.
5. Continue pressing the control switch, applying
power appropriate to the material you are working
on.
6. Reduce speed toward the end of the screwdriving
operation in order to avoid damage.
7.2.4 Control switch with electronic speed
control
The speed of the power tool can be varied continu-
ously up to maximum speed by slowly increasing
pressure on the control switch.
7.2.5 Lockbutton for sustained operation
The lockbutton for sustained operation is used to lock
the control switch in the “on” position. The motor
then runs constantly at full speed.
7.2.5.1 Switching on in sustained operating
mode 9
1. Press the control switch and hold it in this posi-
tion.
2. Press the lockbutton and hold it in this position.
3. Release the control switch.
4. Release the lockbutton.
7.2.5.2 Switching off after sustained operation
Press the control switch again to release the lockbut-
ton.
7.2.6 Forward / reverse 
CAUTION
Do not operate the forward / reverse switch while
the motor is running.
Turn the switch lever to the “forward” or “reverse”
position, depending on the work to be carried out.
7.3 Changing the chuck
7.3.1 Removing the keyless chuck 
1. Grip the flat section of the drive spindle with a 17
mm AF openend wrench.
2. Grip the hexagonal section of the keyless chuck
with a 19 mm AF ring or openend wrench.
3. Turn the 19 mm AF openend wrench in a coun-
terclockwise direction.
The keyless chuck will be unscrewed from the
drive spindle.
7.3.2 Removing the key chuck 
1. Insert a short length of hexagonal steel in the
chuck and then tighten the chuck jaws until the
hexagonal steel is held securely (use the chuck
key).
en
27