Before exchanging bits, first remove the
power plug from the wall socket.
Inspect bits regularly during use. Blunt
bits should be re-sharpened or replaced.
• Open the chuck (1) by turning the front
sleeve (11) clockwise while simultaneously
holding the rear sleeve (10) or turning it
counterclockwise and insert the bit into the
chuck opening.
• Tighten the bit by turning the front sleeve (11)
counterclockwise while simultaneously holding
the rear sleeve (10) or turning it clockwise.
Setting depth stop
Fig. C
• Insert the depth stop (3) in the hole in the side
handle ring.
• Slide the ruler to the desired depth.
The On/Off switch
Fig. A
• Switch the machine on by pressing the On/Off
switch (5). When you release the On/Off switch
(5) the machine will turn off.
• The rotation-speed can be adjusted by
pressing the On/Off switch (5) harder for
raising the rotation-speed or release pressure
for lowering the rotation-speed.
Lock-on Button
Fig. A
• You can lock the On/Off switch (5) by pressing
the On/Off switch (5) and then pressing the
lock-on button (4).
• To release the switch-lock; shortly press the
On/Off switch (5) again.
Adjusting of the maximum rotation speed
Fig. A
• Adjust the speed by turning the speed
adjustment wheel (6) to the desired maximum
rotation speed.
Switching the direction of rotation
Fig. A
Do not change the direction of rotation
during use.
• Direction of rotation counter-clockwise: shift
left/right rotation switch (7) to "
• Direction of rotation clockwise: shift left/right
rotation switch (7) to "
Function selection switch
Fig. A
In order to avoid damage to the machine,
adjusting the function selection switch (2)
shall only be done when machine is not
running
• Set the function selection switch (2) to "
for drilling.
• Set the function selection switch (2) to "
for hammer drilling.
Gear selection switch
Fig. A
In order to avoid damage to the machine,
adjusting the gear selection switch (8)
shall only be done when machine is not
running.
• If you set the gear selection switch (8) to
position "1", the drilling speed can be adjusted
between 0 and 1,000 /min.
• If you set the gear selection switch (8) to
position "2", the drilling speed can be adjusted
between 0 and 2,800 /min.
• When the gear selection switch (8) cannot
switch easily between "1" and "2", give the
chuck (1) a little spin by using your hands. This
will help the gears fall into the correct position
and makes switching the gears easier.
User tips
Always use the machine with the side handle
firmly anchored in place - you will not only work
with more comfort, you will also work with more
precision.
Caution: drilling bits and hammer drilling
bits can get very hot
Drilling and hammer drilling
• For large holes, for instance in very hard
concrete, start using a smaller bit for pilot
drilling first , then drill to nominal size.
• Hold the machine firmly with 2 hands. Be
aware the drill can jam and because of that
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