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DeWalt DCH911 Manual De Instrucciones página 8

12,3 kg (27 lbs) martillo de demolición sds max

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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.
Ensure the chisel is secured in place before operating
the tool.
In 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.
When working above ground level ensure the area
below is clear.
Do 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.
Always direct the power cable to the rear, away from
the chisel.
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.
Additional Safety Information

WARNING: Never modify the power tool or any part of
it. Damage or personal injury could result.

WARNING: ALWAYS use safety glasses. Everyday
eyeglasses are NOT safety glasses. Also use face or
dust mask if cutting operation is dusty. ALWAYS WEAR
CERTIFIED SAFETY EQUIPMENT:
ANSI Z87.1 eye protection (CAN/CSA Z94.3),
ANSI S12.6 (S3.19) 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
6
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 S12.6 (S3.19)
during use. Under some conditions and duration
of use, noise from this product may contribute to
hearing loss.
Wear protective clothing and wash exposed areas
with soap and water. Allowing dust to get into your
mouth, eyes, or lie on the skin may promote absorption
of harmful chemicals. Direct particles away from face
and body.
Use the appropriate dust extractor vacuum to remove
the vast majority of static and airborne dust. Failure
to remove static and airborne dust could contaminate the
working environment or pose an increased health risk to
the operator and those in close proximity.
Use clamps or other practical ways to secure and
support the workpiece to a stable platform. Holding
the workpiece by hand or against your body is unstable
and may lead to loss of control and injury.
Air vents often cover moving parts and should be
avoided. Loose clothes, jewelry or long hair can be caught
in moving parts.

CAUTION: When not in use, place tool on its side
on a stable surface where it will not cause a
tripping or falling hazard. Some tools with large
battery packs will stand upright on the battery pack
but may be easily knocked over.
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)
.../min .............. per minute
BPM .................... beats per minute
IPM ..................... impacts per minute
OPM .................... oscillations per minute
RPM .................... revolutions per minute
sfpm ................... surface feet per minute
SPM .................... strokes per minute
A ......................... amperes
W ........................ watts
Wh ...................... watt hours
Ah ....................... amp hours
or AC ........... alternating current
or AC/DC .... alternating or
direct current
...................... Class II Construction
(double insulated)
n o ....................... no load speed
n ......................... rated speed
PSI....................... pounds per square inch
...................... earthing terminal
..................... safety alert symbol
..................... visible radiation–
do not stare into
the light
..................... wear respiratory
protection
..................... wear eye protection
..................... wear hearing
protection
..................... read all documentation
..................... do not expose to rain

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