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DEWALT Industrial Tool Co,, 701 East Joppa
Road, Towson,
MD 21286
(MAR14)
Part No. N392152
D25712,
D25721,
D25723,
D25761,
D25763,
D25871,
D25891
Copyright
© 2010, 2013,
2014 DEWALT
The following are trademarks for one or more DEWAI]
power tools: the yellow and black color scheme, the "D" shaped air
intake grill, the array of pyramids on the handgrip, the kit box configuration, and the array of lozenge-shaped
humps on the
surface of the tool.
/I
Definitions:
Safety
Guidelines
The definitions below describe the level of severity for each signal word. Please read the
manual and pay attention to these symbols.
_DANGER:
Indicates an imminently hazardous situation which, if not avoided, will result in
death or serious injury.
_ WARNING: Indicates a potentially hazardous situation which, if not avoided, could result
in death or serious injury.
_CAUTION:
Indicates a potentially hazardous situation which, if not avoided, may result in
minor or moderate
injury.
NOTICE: indicates a practice not related to personal injury which, if not avoided, may
result in property
damage.
IF YOU HAVE ANY QUESTIONS OR COMMENTS ABOUT THIS OR ANY DEWALT TOOL, CALL
US TOLL FREE AT: 1-800-4-DEWALT
(1-800-433-9258}.
WARNING: To reduce the risk of injury, read the instruction manual.
General
Power
Tool Safety
Warnings
_
ARNING! Read all safety warnings and all instructions. Failure to follow the warnings
and instructions may result in electric shock, fire and/or serious injury,
SAVE ALL WARNINGS
AND INSTRUCTIONS
FOR FUTURE
REFERENCE
The term "power tool" in the warnings refers to your mains-operated
(corded) power tool or
battery-operated (cordless) power tool.
1) WORK AREA SAFETY
a) Keep work area clean and well lit. Cluttered or dark areas invite accidents.
b) Do not operate power tools in explosive atmospheres,
such as in the presence of
flammable liquids, gases or dust. Power tools create sparks which may ignite the dust
or fumes.
c) Keep children and bystanders
away while operating a power tool. Distractions can
cause you to lose control
2) ELECTRICAL SAFETY
a) Power tool plugs must match the outlet. Never modify the plug in any way. Do not
use any adapter plugs with earthed (grounded) power tools. Unmodified plugs and
matching outlets will reduce risk of electric shock.
b) Avoid body contact with earthed or grounded surfaces such as pipes, radiators,
ranges
and refrigerators.
There is an increased risk of electric shock if your body is
earthed or grounded.
c) Do not expose power tools to rain or wet conditions.
Water entering a power tool will
increase the risk of electric shock.
d) Do not abuse the cord. Never use the cord for carrying, pulling
or unplugging the
power tool Keep cord away from heat, oil, sharp edges or moving parts. Damaged
or entangled cords increase the risk of electric shock.
e) When operating a power tool outdoors, use an extension cord suitable for outdoor
use. Use of a cord suitable for outdoor use reduces the risk of electric shock.
0 If operating a power tool in a damp location is unavoidable, use a ground fault circuit
interrupter (GFCI) protected supply, Use of a GFCI reduces the risk of electric shock.
3) PERSONAL SAFETY
a) Stay alert, watch what you are doing and use common sense when operating a
power
tool. Do not use a power tool while you are tired or under the influence of
drugs, alcohol
or medication.
A moment of inattention while operating power tools may
result in serious personal injury,
b) Use personal
protective
equipment.
Always
wear
eye protection.
Protective
equipment such as dust mask, non-skid safety shoes, hard hat, or hearing protection used
for appropriate conditions will reduce personal injuries.
c) Prevent unintentional
starting.
Ensure the switch is in the off position before
connecting
to power source and/or battery
pack, picking
up or carrying
the tool
Carrying power tools with your finger on the switch or energising power tools that have the
switch on invites accidents.
d) Remove any adjusting
key or wrench before turning
the power tool on. A wrench or
a key left attached to a rotating part of the power tool may result in personal injury,
e) Do not overreach. Keep proper footing and balance at all times. This enables better
control of the power tool in unexpected situations.
0 Dress properly. Do not wear loose clothing or jewellery. Keep your hair, clothing
and gloves away from moving parts. Loose clothes, jeweller}! or long hair can be caught
in moving parts.
g) If devices
are provided for
the connection
of dust
extraction
and
collection
facilities,
ensure these are connected
and properly
used. Use of dust collection can
reduce dust-related hazards.
4) POWER TOOL USE AND CARE
@ Do not force the power tool
Use the correct power
tool for your application.
The
correct power too/will do the job better and safer at the rate for which it was designed.
b) Do not use the power tool if the switch does not turn ff on and off. Any power too/
that cannot be controlled with the switch is dangerous and must be repaired.
c) Disconnect
the plug
from the power
source andlor
the battery
pack
from the
power
tool before
making
any adjustments,
changing
accessories,
or storing
power
tools. Such preventive safety measures reduce the risk of starting the power too/
accidentally,
d) Store idle power
tools out of the reach of children and do not allow persons
unfamiliar
with the power
tool or these instructions
to operate
the power
tool
Power tools are dangerous in the hands of untrained users.
e) Maintain power tools. Check for misalignment
or binding of moving parts, breakage
of parts and any other
condition
that may affect
the power
tool's operation.
If
damaged,
have the power
tool repaired
before use. Many accidents are caused by
poorly maintained power tools.
0 Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting
edges are less likely to bind and are easier to control.
g) Use the power
tool, accessories
and tool bits
etc., in accordance
with
these
instructions
taking
into account
the working
conditions
and the
work
to be
performed.
Use of the power tool for operations different from those intended could result
in a hazardous situation.
5) SERVICE
@ Have your power tool serviced by a qualified repair person using only identical
replacement parts. This will ensure that the safety of the power tool is maintained.
Additional
Safety
Instructions
for Rotary
Hammers
•
Wear ear protectors. Exposure to noise can cause hearing loss.
•
Use auxiliary handle(s), if supplied with the tool. Loss of control can cause personal injury,
•
Hold power tool by insulated gripping surfaces when performing an operation where
the cutting accessory may contact hidden wiring or its own cord. Cutting accessory
contacting a "live" wire may make exposed metal parts of the power tool "live" and could give
the operator an electric shock.
•
Use clamps or other practical way to secure and support the workpiece to a stable
platform. Holding the work by hand or against your body is unstable and may lead to loss of
control
•
Wear safety goggles
or other eye protection.
Hammering operations cause chips to
fly, Flying particles can cause permanent eye damage. Wear a dust mask or respirator for
applications that generate dust. Ear protection may be required for most applications.
•
Keep a firm grip on the tool at all times. Do not attempt to operate this tool without holding
it with both hands. Operating this tool with one hand will result in loss of control Breaking
through or encountering hard materials such as re-bar may be hazardous as well. Tighten the
side handle securely before use.
•
Do not operate this tool for long periods of time. Vibration caused by hammer action may
be harmful to your hands and arms. Use gloves to provide extra cushion and limit exposure by
taking frequent rest periods.
•
Do not recondition
bits yourself.
Chisel reconditioning should be done by an authorized
specialist. Improperly reconditioned chisels could cause injury,
•
Wear gloves when operating tool or changing bits. Accessible metal parts on the tool and
bits may get extremely hot during operation. Small bits of broken material may damage bare
hands.
•
Never lay the tool down until the bit has come to a complete stop. Moving bits could
cause injury,
•
Do not strike jammed
bits with a hammer
to dislodge them.
Fragments of metal or
material chips could dislodge and cause injury,
•
Keep the power cord away from the rotating bit. Do not wrap the cord around any part of
your body, An electric cord wrapped around a spinning bit may cause personal injury and loss
of control.
• Air vents often cover moving parts and should be avoided. Loose clothes, jeweller}! or
long hair can be caught in moving parts.
• An extension
cord must have adequate
wire size (AWG or American
Wire Gauge) for
safety. The smaller the gauge number of the wire, the greater the capacity of the cable, that is
16 gauge has more capacity than 18 gauge. An undersized cord will cause a drop in line voltage
resulting in loss of power and overheating. When using more than one extension to make up
the total length, be sure each individual extension contains at least the minimum wire size. The
following table shows the correct size to use depending on cord length and nameplate ampere
rating. If in doubt, use the next heavier gauge. The smaller the gauge number, the heavier the
cord.
Ampere Rating
More
Than
0
6
10
12
Not More
Than
6
10
12
16
Minimum Gauge for Cord Sets
Volts
Total Length of Cord in Feet (meters)
120V
25 (7.6)
50 (15.2)
100 (30.5)
150 (45.7)
240V
50 (15.2)
100(30.5)
200 (61.0) 300(91.4)
AWG
18
18
16
14
16
16
16
12
16
14
14
12
14
12
Not Recommended
_, WARNING: ALWAYS use safety glasses. Everyday eyeglasses are NO T safety glasses. Also use
face or dust mask if cutting operation is dusty, ALWAYS WEAR CERTIFIED SAFETY EQUIPMENX
• ANSI Z87.1 eye protection (CAN/CSA Z94.3),
• ANSI $12.6 ($3.19) hearing protection,
•
NIOSH/OSHA/MSHA
respiratory protection.
,_,WARNING:
Some dust created by power sanding, sawing, grinding, drilling, and other
construction activities contains chemicals known to the State of California to cause cancer, birth
defects or other reproductive harm. Some examples of these chemicals are:
• lead from lead-based paints,
• crystalline silica from bricks and cement and other masonry products, and
• arsenic and chromium from chemically-treated lumber.
Your risk from these exposures varies, depending on how often you do this type of work. To reduce
your exposure to these chemicals: work in a well ventilated area, and work with approved safety
equipment, such as those dust masks that are specially designed to filter out microscopic particles.
• Avoid prolonged contact with dust from power sanding, sawing, grinding, drilling, and
other construction activities. Wear protective clothing and wash exposed areas with
soap and water. Allowing dust to get into your mouth, eyes, or lay on the skin may promote
absorption of harmful chemicals.
_ WARNING: Use of this tool can generate and/or disperse dust, which may cause serious and
permanent respiratory or other injury, Always use NIOSH/OSHA approved respiratory protection
appropriate for the dust exposure. Direct particles away from face and body,
_WARNING:
Always wear proper personal hearing protection
that conforms to ANSI
$12.6 ($3.19) 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
Hz ................... hertz
min ................. minutes
- --
or DC ..... direct current
(_) ................... Class I Construction
(grounded)
[] ................... Class II Construction
(double insulated)
.../min ............ per minute
IPM ................. impacts per minute
SPM ............... strokes per minute
A ......................... amperes
W........................ watts
or AC ............. alternating current
or AC/DC ...... alternating or direct current
no ....................... no load speed
n ......................... rated speed
@ ....................... earthing terminal
_, ........................ safety alert symbol
BPM ................... beats per minute
RPM ................... revolutions per minute
sfpm ................... surface feet per minute
Motor
Your DF:WALTtool 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)
•_ WARNING: Never modify the power tool or any part of it. Damage or personal injury could result.
A. Trigger switch (D25712, D25721, D25723,
D25761, D25763)
On/off rocker switch (D25871, D25891)
B. Lock-on slider (D25712, D25721, D25723,
D25761, D25763)
C. Side handle
INTENDED USE
These heavy-duty rotary hammers have been
D. Main handle
E. SHOCKS Active Vibration Control °
F. Mode selector
G. Electronic speed and impact control dial
H. Clamp wheel
I. Rear side handle position
designed for professional hammerdrilling and
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.
ASSEMBLY
AND ADJUSTMENTS
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,
Side Handle
(Fig. 2-4)
D25712, D25721, D25723, D25761, D25763
WARNING: To reduce the risk of personal injury, ALWAYS operate the tool with the side handle
properly installed and securely tightened. Failure to do so may result in the side handle slipping
during tool operation and subsequent loss of control
Hold tool with both hands to maximize
control
The side handle clamps to the front barrel (collar) and may be rotated 360 ° to permit right- or left-
hand use. For operating convenience, the side handle can be installed in front or rear positions.
TO MOUNT IN FRONT POSITION (FIG. 2)
1. Unscrew the side handle (C) and disassemble the side handle clamp (J).
2. Snap the steel ring (K) over the collar (L) behind the tool holder (M). Squeeze both ends of the
steel ring together. Mount the bushing (N) and insert the pin (O).
3. Slide the side handle clamp (J) onto the bushing (N) while keeping the pin (O) centered. Lightly
screw the clamp wheel (H) onto the busing (N)--do not tighten.
4. Screw the side handle (C) into the clamp wheel (H) and tighten.
5. Rotate the side handle mounting assembly to the desired position. For hammerdrilling
horizontally with a heavy drill bit, place the side handle assembly at an angle of approximately
20 ° to the tool for optimum control.
6. Lock the side handle mounting assembly in place by securely tightening the clamp wheel (H)
so that the assembly will not rotate.
TO MOUNT IN REAR POSITION (FIG. 3}
1. Unscrew the side handle (C) and remove it from the side handle mounting assembly. Leave the
side handle mounting assembly in the front position.
2. Screw the side handle directly into one of the rear side handle positions (I)on either side of the
tool.
D25871, D25891 (FIG. 4}
1. Unscrew the D-shaped handle knob (Q).
