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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
S12.6 (S3.19) 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 A ........................ amperes
Hz ...................hertz W .......................watts
min .................minutes
or AC ............alternating current
or DC .....direct current or AC/DC .....alternating or direct current
...................Class I Construction
n
o ......................no load speed
.......................
(grounded) n ........................rated speed
................... Class II Construction .......................earthing terminal
(double insulated)
.......................safety alert symbol
…/min ............per minute BPM ...................beats per minute
IPM .................impacts per minute RPM ...................revolutions per minute
SPM ...............strokes per minute 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.
• Be certain that the material being worked does not conceal electric or gas service and
that their locations have been verified with the utility companies.
• Wear ear protectors. Exposure to noise can cause hearing loss.
• Use auxiliary handles supplied with the tool. Loss of control can cause personal injury.
• 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.
• 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.
• 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.
• Slightly worn chisels can be resharpened by grinding.
• Keep the power cord away from the bit. Do not wrap the cord around any part of your
body. An electric cord wrapped around a bit may cause electric shock.
• Air vents often cover moving parts and should be avoided. Loose clothes, jewelry 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.
Minimum Gauge for Cord Sets
Ampere Rating
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)
More
Than
Not More
Than
AWG
0 6 18 16 16 14
610 18161412
10 12 16 16 14 12
12 16 14 12 Not Recommended
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.