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English
a hole the diameter of the centering bit completely through the
structure. Then drill the cored hole halfway from each side of
the structure.
9. To stop the tool, release the trigger switch. Always turn the tool
off when work is finished and before unplugging.
Chipping
D25831, D25851
1. Set the mode selector (F) to chipping mode.
2. Set the impact control dial (G) to desired setting (refer to
Electronic Speed and Impact Control).
3. Insert the appropriate chisel and rotate it by hand to lock it into
the desired position.
NOTE: For SDS Max
®
models, only use SDS Max
®
bits.
4. Adjust the side handle (front or rear position) (C).
5. Depress the trigger switch (A).
6. Apply only enough pressure to engage active vibration control
(refer to Active Vibration Control).
7. To stop the tool, release the trigger switch. Always turn the tool
off when work is finished and before unplugging.
MAINTENANCE
Your DEWALT power tool has been designed to operate over a
long period of time with a minimum of maintenance. Continuous
satisfactory operation depends upon proper tool care and regular
cleaning.
WARNING: To reduce the risk of injury, turn unit off and
disconnect tool from power source before installing and removing
accessories, before making any adjustments or removing/installing
attachments or accessories.
Cleaning
WARNING: Blow dirt and dust out of all air vents with dry air at
least once a week. Wear proper ANSI Z87.1 (CAN/CSA Z94.3) eye
protection and proper NIOSH/OSHA/MSHA respiratory protection
when performing this.
WARNING: Never use solvents or other harsh chemicals for
cleaning the non-metallic parts of the tool. These chemicals may
weaken the plastic materials used in these parts. Use a cloth
dampened only with water and mild soap. Never let any liquid get
inside the tool; never immerse any part of the tool into a liquid.
Lubrication
Your tool was properly lubricated before leaving the factory. In from
two to six months, depending upon use, take or send your tool to
an authorized service center for a complete cleaning, inspection
and lubrication. Tools used constantly on production jobs will need
relubrication more often. Also, tools “out of service” for long periods
should be relubricated before being put back to work.
Accessories
WARNING: Since accessories, other than those offered by
D
EWALT, have not been tested with this product, use of such
accessories with this tool could be hazardous. To reduce the risk of
injury, only D
EWALT, recommended accessories should be used
with this product.
Recommended accessories for use with your tool are available at
extra cost from your local dealer or authorized service center.
MAXIMUM CAPACITY
D25501 D25601 D25602 D25831
Concrete 1-9/16" 1-9/16" 1-3/4" –
(40 mm) (40 mm) (45 mm) –
RPM 490 490 210–415 –
No load BPM 3300 3300 1430–2840 1430–2840