10
English
Cleaning
WARNING: Blow dirt and dust out of all air vents with clean, dry air 
at least once a week. To minimize the risk of eye injury, always wear 
ANSI Z87.1 approved eye 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. If you 
need assistance in locating any accessory, please contact D
EWALT 
Industrial Tool Co., 701 East Joppa Road, Baltimore, MD 21286, call 
1-800-4-D
EWALT (1-800-433-9258) or visit our website: www.dewalt.
com.
Chipping and Chiselling (D25013, D25023)
  1. To switch from hammer drilling to chiselling, first insert the SDS 
Plus
®
 chisel and check if it is properly locked.
 2. When switching from hammer drilling mode to chiselling mode, 
turn the chisel to the desired position. If you find resistance during 
mode change, turn the chisel slightly to engage the spindle lock.
Depth Rod (Fig. 5)
TO ADJUST THE DEPTH ROD 
 1. Push in and hold the depth rod release button (J) on the side 
handle. 
  2. Move the depth rod (D) so the distance between the end of the 
rod and the end of the bit equals the desired drilling depth. 
  3. Release the button to lock rod into position. When drilling with the 
depth rod, stop when end of rod reaches surface of material.
FIG. 5
J
D
C
MAINTENANCE
WARNING: To reduce the risk of injury, turn unit off 
and disconnect it from power source before installing and 
removing accessories, before adjusting or when making 
repairs. An accidental start-up can cause injury.