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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 hazardoussituation.
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 ismaintained.
Additional Safety Instructions for Rotary 
Hammers
•  Wear ear protectors. Exposure to noise can cause 
hearingloss.
•  Use auxiliary handle(s), if supplied with the tool. Loss 
of control can cause personalinjury.
•  Hold power tool by insulated gripping surfaces, 
when performing an operation where the cutting 
accessory may contact hidden wiring. Cutting 
accessory contacting a “live” wire may make exposed 
metal parts of the power tool “live” and could give the 
operator an electricshock.
•  Be certain that the material being drilled does 
not conceal electric or gas service and that 
their locations have been verified with the 
utilitycompanies.
•  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 ofcontrol.
•  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 mostapplications.
•  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 aswell.
•  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 restperiods.
•  Do not recondition bits yourself. Chisel reconditioning 
should be done by an authorized specialist. Improperly 
reconditioned chisels could causeinjury.
•  Accessories and tool may get hot during operation. Wear 
gloves when handling them if performing heat producing 
applications such as hammerdrilling and drillingmetals.
•  Never lay the tool down until the bit has come to a 
complete stop. Moving bits could causeinjury.
•  Do not strike jammed bits with a hammer to dislodge 
them. Fragments of metal or material chips could dislodge 
and causeinjury.
•  Slightly worn chisels can be resharpened bygrinding.
•  Do not overheat the bit (discoloration) while 
grinding a new edge. Badly worn chisels require 
reforging. Do not reharden and temper thechisel.
Additional Safety Information
 
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 SAFETYEQUIPMENT:
•  ANSI Z87.1 eye protection (CAN/CSA Z94.3),
•  ANSI S12.6 (S3.19) hearing protection,
•  NIOSH/OSHA/MSHA respiratoryprotection.
 
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 
chemicalsare:
•  lead from lead-based paints,
•  crystalline silica from bricks and cement and other 
masonry products, and
•  arsenic and chromium from chemically-
treatedlumber.
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 microscopicparticles.
•  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 harmfulchemicals.
 
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 andbody.
 
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 
hearingloss.
 
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 knockedover.
•  Air vents often cover moving parts and should be 
avoided. Loose clothes, jewelry or long hair can be 
caught in movingparts.
•  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