Instruction manual

4
Motor
Your DEWALT tool is powered by a DEWALT-built motor. Be sure your power supply
agrees with the nameplate markings. Voltage decrease of more than 10% will cause
loss of power and overheating. All DEWALT tools are factory tested.
Components (Fig. 1–6)
WARNING: Never modify the power tool or any part of it. Damage or personal
injury could result.
A. Side handle G. Mode selector
B. Depth rod H. Chisel rotation
C. SDS Plus
®
chuck I. Mode selector button
D. Trigger switch/Variable speed trigger J. Sleeve
E. Forward/reverse control button K. Collar
F. Lock-on button (D25123-XE,
D25124-XE, D25330-XE only)
INTENDED USE
WARNING: Never modify the power tool or any part of it. Damage or personal injury
could result.
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.
Side Handle
CAUTION: Always operate the tool with the side handle properly assembled. Hold
tool with both hands to maximize control.
A side handle (A) is supplied with this rotary hammer. It clamps to the front of the gear
case without depth rod (B) as shown in Figure 1 and can be rotated 360° to permit right-
or left-hand use. The side handle can be tightened by rotating the black plastic portion of
the side handle clockwise and loosened by rotating it counterclockwise.
WARNING: Always use eye protection. All users and bystanders must wear eye
protection that conforms to ASNZS1337.
WARNING: We recommend the use of a residual current device with a residual
current rating of 30mA or less.
WARNING: ALWAYS wear proper personal hearing protection that conforms to
ASNZS1270 during use. Under some conditions and duration of use, noise from this
product may contribute to hearing loss.
• The label on your tool may include the following symbols. The symbols and their
definitions are as follows:
V .................... volts A ...............amperes
Hz .................. hertz W ..............watts
min ................ minutes
...........alternating current
.............. direct current ...........alternating or direct current
................. Class I Construction
n
o ..............no load speed
...................... (grounded) .............earthing terminal
................. Class II Constr uction .............safety alert symbol
...................... (double insulated) BPM ..........beats per minute
…/min ........... per minute RPM ..........revolutions per minute
Markings on Tool
The following pictograms are shown on the tool:
Read instruction manual before use.
Wear ear protection.
Wear eye protection.
SAVE THESE INSTRUCTIONS FOR FUTURE USE