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Cordless Rotary Hammer Safety Rules
clips, coins, keys, nails, screws, or other
small metal objects that can make a
connection from one terminal to another.
Shorting the battery terminals together may
cause sparks, burns, or a fire.
Maintain tools with care. Keep cutting
tools sharp and clean. Properly maintained
tools with sharp cutting edge are less likely
to bind and are easier to control.
Check for misalignment or binding of
moving parts, breakage of parts, and any
other condition that may affect the tool's
operation. If damaged, have the tool
serviced before using. Many accidents are
caused by poorly maintained tools.
Use only accessories that are recom-
mended by the manufacturer for your
model. Accessories that may be suitable for
one tool may create a risk of injury when
used on another tool.
Service
Tool service must be performed only by
qualified repair personnel. Service or
maintenance performed by unqualified
personnel may result in a risk of injury.
When servicing a tool, use only identical
replacement parts. Follow instructions in
the Maintenance section of this manual.
Use of unauthorized parts or failure to follow
Maintenance Instructions may create a risk
of shock or injury.
Hold tools by insulated gripping surfaces
when performing an operation where the
cutting tool may contact hidden wiring.
Contact with a "live" wire will make exposed
metal parts of the tool "live" and shock the
operator. Do not drill, fasten or break into
existing walls or other blind areas where
electrical wiring may exist. If this situation is
unavoidable, disconnect all fuses or circuit
breakers feeding this worksite.
Wear ear protectors when using the tool
for extended periods. Prolonged exposure
to high intensity noise can cause hearing
loss.
Before changing accessories remove
battery pack. Accidental starting may
occur because battery tools with a battery
inserted are in the operative condition.
Do not use dull or damaged bits and
accessories. Dull bits or accessories can
frequently bind in the work causing a torque
reaction.
Always wear safety goggles or eye
protection when using this tool. Use a
dust mask or respirator for applications
which generate dust.
Always use the auxiliary handle for
maximum control over torque reaction or
kick-back. Never attempt to operate this
tool with one hand. The slip clutch engages
only if you apply sufficient force to the tool
during a torque reaction or kick-back.
If the bit becomes bound in the work-
piece, release the trigger immediately,
reverse the direction of rotation and
slowly squeeze the trigger to back out the
bit. Be ready for a strong reaction torque.
The hammer body will tend to twist in the
opposite direction as the bit is rotating.
Avoid being caught between the rotary
hammer and walls or posts. Should the bit
become bound or jammed into the work, the
reaction torque of the rotary hammer could
crush your hand or leg.
Do not strike the bit with a handheld
hammer or sledge tool when attempting
to dislodge a bound or jammed bit.
Fragments of metal from the bit could
dislodge and strike you or bystanders.
Do not run the tool while carrying it at
your side. The spinning drill bit may become
entangled with clothing and injury may
occur.
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