DeWalt D25899 User manual
D25899
D25901
D25941
www. .com
Copyright DEWALT
6English (original)
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Figure 1
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D25899
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D25901
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a
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d
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a
D25941
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Figure 2
Figure 3
D25899
D25901
D25899
D25901
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Figure 4
Figure 5
D25941
19 mm
g
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D25941
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Figure 7
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Figure 6
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Figure 8
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ENGLISH
6
DEMOLITION HAMMER
D25899/D25901/D25941
Congratulations!
You have chosen a DEWALT power tool. Years of experience, thorough product development and innovation
make DEWALT one of the most reliable partners for professional power tool users.
Technical data
D25899 D25901 D25941
Voltage
Frequency
Current
Power input
Impact rate
Impact energy
Tool holder
Chisel positions
Weight
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.
CAUTION: Used without the safety alert
symbol indicates a potentially hazardous
situation which, if not avoided, may
result in property damage.
Denotes risk of electric shock.
Denotes risk of fire.
220-240
50/60
7.2
1,500
2,040
25
SDS-max®
12
10
V
Hz
A
W
min-1
J
kg
220-240
50/60
8.5
1,500
1,040-2,040
5-25
SDS-max®
12
11
220-240
50/60
8.9
1,600
1,620
30.6
19mm hex
12
13.4
Measured values determined according to EN 60745 and 2000/14/EC.
14952D10952D99852D
L pA (sound pressure) dB(A)
LWA (sound power) dB(A)
Uncertainty K dB
Vibration total values (triax vector sum) determined according to EN 60745:
Chiselling, Vibration emission value a
h
= m/s²
Uncertainty K m/s²
86
100
3
12
1.5
89
100
3
7.9
1.7
91
102
3
8.8
1.5
ENGLISH
7
The declared vibration emission value has been
measured in accordance with a standard test
method and may be used for comparing one tool
with another.
The declared vibration emission value may also be
used in a preliminary assessment of exposure.
WARNING: The vibration emission
value during actual use of the power
tool can differ from the declared value
depending on the ways in which the tool
is used. This could lead to a significant
underestimate of exposure when the
tool is used regularly in such a way.
An estimation of the level of exposure to vibration
experienced during a given period of work should
also take into account the times when the tool is
switched off and when it is running idle in addition to
the trigger time.
This may significantly reduce the exposure level over
the total working period.
WARNING: Take appropriate measures
for hearing protection.
WARNING: To reduce the risk of injury,
read the instruction manual.
General Power Tool Safety Warnings
WARNING! 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.
f) If operating a power tool in a damp
location is unavoidable, use a residual
current device (RCD) protected supply.
Use of an RCD 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.
ENGLISH
8
e) Do not overreach. Keep proper
footing and balance at all times. This
enables better control of the power tool in
unexpected situations.
f) Dress properly. Do not wear loose
clothing or jewellery. Keep your hair,
clothing and gloves away from moving
parts. Loose clothes, jewellery 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
a) Do not force the power tool. Use the
correct power tool for your application.
The correct power tool 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 it on and off. Any power
tool that cannot be controlled with the switch
is dangerous and must be repaired.
c) Disconnect the plug from the power
source and/or 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 tool 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 tools operation.
If damaged, have the power tool repaired
before use. Many accidents are caused by
poorly maintained power tools.
f) 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
a) 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
demolition hammers
sWear ear protectors. Exposure to noise can
cause hearing loss.
sUse auxiliary handles supplied with the tool.
Loss of control can cause personal injury.
sHold power tools by insulated gripping
surfaces when performing an operation
where the cutting tool may contact hidden
wiring or its own cord. Cutting accessory
Contacting a “live” wire may make exposed
metal parts of the tool “live” and shock the
operator.
tBe certain that the material being drilled does
not conceal electric or gas service and that
their locations have been verified with the utility
companies.
sKeep 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.
sEnsure the chisel is secured in place before
operating the tool.
sIn cold-weather conditions or when the tool
has not been used for a longer period of time,
let the tool run with no load for several minutes
before use.
sWhen working above ground level ensure the
area below is clear.
sDo not touch the chisel or the parts close to the
chisel immediately after operation, as they may
be extremely hot and cause burns to the skin.
sAlways direct the power cable to the rear, away
from the chisel.
sDo 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.
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