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DeWalt d 25103 k Manual

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ENGLISH
D25104K - Replacing the tool holder with
the chuck (fig. G)
• Turn the locking collar (8) into the unlocking
position and pull the tool holder (6) off.
• Push the chuck (13) onto the spindle and turn the
locking collar into the locking position.
• To replace the chuck with the tool holder,
first remove the chuck the same way as the tool
holder was removed. Then place the tool holder
the same way as the chuck was placed.
Never use standard chucks in the
hammer drilling mode.
Replacing the dust cover (fig. C)
The dust cover (7) prevents dust ingress into the
mechanism. Replace a worn dust cover immediately.
• Pull back the tool holder locking sleeve (12) and
pull the dust cover (7) off.
• Fit the new dust cover.
• Release the tool holder locking sleeve.
Instructions for use
• Always observe the safety instructions
and applicable regulations.
• Be aware of the location of pipework and wiring.
• Apply only a gentle pressure to the tool
(approx. 5 kg). Excessive force does not speed
up drilling but decreases tool performance and
may shorten tool life.
• Do not drill or drive too deep to prevent damage
to the dust cover.
• Always hold the tool firmly with both hands
and ensure a secure stance (fig. H).
Always operate the tool with the side
handle properly mounted.
Switching on and off (fig. A)
D25102(K)/D25102C/D25103K/D25104K
• To run the tool, press the variable speed switch
(1). The pressure exerted on the variable speed
switch determines the tool speed.
• For continuous operation, press and hold down
the variable speed switch, press the lock-on
button (2) and release the switch.
• To stop the tool, release the switch.
• To stop the tool in continuous operation, press
the switch briefly and release it. Always switch off
the tool when work is finished and before
unplugging.
D25203K
• To run the tool, press the variable speed switch
(1). The pressure exerted on the variable speed
switch determines the tool speed.
• To stop the tool, release the switch.
• To lock the tool in off position, move the forward/
reverse slider (3) to the central position.
Hammer drilling (fig. A)
Drilling with a solid bit
• Set the mode selector switch (4) to the
“hammer drilling” position.
• Insert the appropriate drill bit. For best results
use high quality carbide-tipped bits.
• Adjust the side handle (9) as required.
• If necessary, set the drilling depth.
• Mark the spot where the hole is to be drilled.
• Place the drill bit on the spot and switch on the
tool.
• Always switch off the tool when work is finished
and before unplugging.
Drilling with a core bit
• Set the mode selector (3) to the “hammer drilling”
position.
• Adjust the side handle (9) as required.
• Insert the appropriate core bit.
• Assemble the centerdrill into the core bit.
• Place the centerdrill on the spot and press the
variable speed switch (1). Drill until the core
penetrates into the concrete approx. 1 cm.
• Stop drilling and remove the centerdrill. Place the
core bit back into the hole and continue drilling.
• 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. 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.
… 28 …


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