DeWalt D25032 Original Instructions Manual page 11

ENG LIS H
3. To remove the chuck, proceed as for removing
a standard SDS Plus bit.
WARNING: Never use standard chucks
in the hammerdrilling mode.
Replacing the SDS Plus Tool Holder
with the Keyless Chuck (fig. 7)
D25134, D25144
1. Turn the locking collar (m) into the unlocking
position and pull the SDS Plus Tool Holder (f)
off.
2. Push the keyless chuck (n) onto the spindle
and turn the locking collar (m) to the locking
position.
To replace the keyless chuck with the SDS Plus tool
holder, first remove the keyless chuck the same way
the tool holder was removed. Then place the tool
holder the same way the keyless chuck was placed,
making sure to turn the locking collar to the locking
position.
WARNING: Never use standard chucks
in the hammerdrilling mode.
Replacing the Dust Cover (fig. 1)
The dust cover (k) prevents dust ingress into the
mechanism. Replace a worn dust cover immediately.
1. Pull back the tool holder locking sleeve (j) and
pull the dust cover (k) off.
2. Fit the new dust cover.
3. Release the tool holder locking sleeve.
OPERATION
Instructions for Use
WARNING:
• A lways observe the safety instructions
and applicable regulations.
• B e aware of the location of pipework
and wiring.
• A pply 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.
• D o not drill or drive too deep to
prevent damage to the dust cover.
• A lways hold the tool firmly with both
hands and ensure a secure stance
(fig. 9). Always operate the tool with
the side handle properly mounted.
9
Proper Hand Position (fig. 8)
WARNING: To reduce the risk of
serious personal injury, ALWAYS use
proper hand position as shown.
WARNING: To reduce the risk of
serious personal injury, ALWAYS hold
securely in anticipation of a sudden
reaction.
Proper hand position requires one hand on the side
handle (h), with the other hand on the main handle
(b).
Switching On and Off (fig. 1)
1. To run the tool, press the variable speed switch
(a). The pressure exerted on the variable speed
switch determines the tool speed.
2. For continuous operation, press and hold down
the variable speed switch.
3. To stop the tool, release the switch.
Hammerdrilling (fig. 1)
DRILLING WITH A SOLID BIT
1. Hold down the mode selector button (e)
then set the mode selector switch (d) to the
hammerdrilling position.
2. Insert the appropriate drill bit.
NOTE: For best results use high quality carbide-
tipped bits.
3. Adjust the side handle (h) as required.
4. If necessary, set the drilling depth.
5. Mark the spot where the hole is to be drilled.
6. Place the drill bit on the spot and switch on the
tool.
7. Always switch off the tool when work is finished
and before unplugging.
DRILLING WITH A CORE BIT
1. Hold down the mode selector button (e)
then set the mode selector switch (d) to the
hammerdrilling position.
2. Adjust the side handle (h) as required.
3. Insert the appropriate core bit.
4. Assemble the centerdrill into the core bit.
5. Place the centerdrill on the spot and press the
on/off switch (a). Drill until the core penetrates
into the concrete approx. 1 cm.
6. Stop drilling and remove the centerdrill. Place
the core bit back into the hole and continue
drilling.
7. When drilling through a structure thicker than
the depth of the core bit, break away the round