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Remove the chuck by turning it
counterclockwise.
To refit the chuck, screw it onto the spindle and
secure it with the chuck retaining screw.
Securely tighten the chuck retaining screw.
KR540RE/KR550RE/KR572/KR600RE (fig. F)
Make sure that the tool is switched off and
unplugged.
Open the chuck as far as possible.
Insert a screwdriver into the chuck and remove
the chuck retaining screw by turning it clockwise.
Insert the chuck key (12) into one of the holes
in the side of the chuck and turn the chuck so
that the chuck key is just above the horizontal
position on the right hand side of the tool.
Strike the chuck key with a hammer as shown.
Remove the chuck by turning it
counterclockwise.
To refit the chuck, screw it onto the spindle and
secure it with the chuck retaining screw.
Securely tighten the chuck retaining screw.
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Let the tool work at its own pace. Do not
overload.
KR540(C)RE/KR550(C)RE/KR600(C)RE -
Selecting the direction of rotation (fig. G)
For drilling and for tightening screws, use forward
(clockwise) rotation.
For loosening screws or removing a jammed drill
bit, use reverse (counterclockwise) rotation.
To select forward rotation, slide the
forward/reverse switch (7) forward.
To select reverse rotation, slide the
forward/reverse switch (7) backward.
Never change the direction of rotation
while the motor is running.
KR572 - Selecting the speed setting (fig. G)
Use the low speed setting for drilling large
diameter holes. Use the high speed setting for
drilling small diameter holes.
To select the low speed setting, set the speed
selector switch (7) to position 1.
To select the high speed setting, set the speed
selector switch (7) to position 2.
English
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Use the hammer drilling mode when drilling in
masonry. Use the rotary drilling mode when drilling
in other materials and when screwdriving.
For rotary drilling, set the drilling mode selector
(6) to the position.
For hammer drilling, set the drilling mode
selector (6) to the position.
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The depth stop is used to limit the drilling depth.
Make sure that the tool is switched off and
unplugged.
Turn the grip (14) counterclockwise until you
can slide the depth stop (4).
Set the depth stop to the desired position.
The maximum drilling depth is equal to the
distance between the tip of the drill bit and the
front end of the depth stop.
Turn the grip clockwise to tighten the depth
stop.
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KR540(C)RE/KR550(C)RE/KR600(C)RE
To switch the tool on, press the variable speed
switch (1). The tool speed depends on how far
you press the switch.
For continuous operation, press the lock-on
button (2) and release the variable speed
switch. This option is available only at full
speed.
To switch the tool off, release the variable
speed switch.
To switch the tool off when in continuous
operation, press the variable speed switch
once more and release it.
KR572
To switch the tool on, press the on/off switch (1).
For continuous operation, press the lock-on
button (2) and release the on/off switch.
To switch the tool off, release the on/off switch.
To switch the tool off when in continuous
operation, press the on/off switch once more
and release it.
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Do not exert too much pressure on the tool.
Consult your retailer for more information on
available accessories.
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