5
English
FIG. 1
H
A
C
D
G
I
E
F
B
D25013
J
A
D25023
C
D
G
E
F
B
H
J
BPM ............. beats per minute   .....................earthing 
IPM ............... impacts per minute  terminal
RPM ............. revolutions per  
 ..................... safety  alert 
minute symbol
sfpm ............. surface feet per minute
SAVE THESE INSTRUCTIONS 
FOR FUTURE USE
Motor
Be sure your power supply agrees with the nameplate marking. 
Voltage decrease of more than 10% will cause loss of power and 
overheating. D
EWALT tools are factory tested; if this tool does not 
operate, check power supply. 
COMPONENTS (Fig. 1)
WARNING: Never modify the power tool or any part of it. Damage 
or personal injury could result.
 A.  Variable speed trigger switch
 B. Main handle
 C. Side handle
 D. Depth rod
 E. SDS Plus
®
 chuck
 F.  Mode selector button
 G.  Mode  selector
 H.  Reversing  lever
 I. Lock-on button 
(D25012, D25013 only)
 J.  Depth rod release button
INTENDED USE
These heavy-duty rotary hammers have been designed for professional 
drilling and hammerdrilling, screwdriving and light chipping at various 
work sites (i.e., construction sites). DO NOT use under wet conditions 
or in presence of flammable liquids or gases.
These heavy-duty rotary hammers are professional power tools. DO 
NOT let children come into contact with the tool. Supervision is 
required when inexperienced operators use this tool.