Milwaukee M18 2686-20 Operator's Manual page 3

Brushless 4-1/2" - 5" cut-off grinder
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• When battery pack is not in use, keep it away
from other metal objects, like paper 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 burns or a fire.
• Under abusive conditions, liquid may be ejected
from the battery; avoid contact. If contact acci-
dentally occurs, flush with water. If liquid con-
tacts eyes, additionally seek medical help. Liquid
ejected from the battery may cause irritation or burns.
• Do not use a battery pack or tool that is dam-
aged or modified. Damaged or modified batteries
may exhibit unpredictable behavior resulting in fire,
explosion or risk of injury.
• Do not expose a battery pack or tool to fire or
excessive temperature. Exposure to fire or tem-
perature above 265°F (130°C) may cause explosion.
• Follow all charging instructions and do not
charge the battery pack or tool outside the
temperature range specified in the instructions.
Charging improperly or at temperatures outside
the specified range may damage the battery and
increase the risk of fire.
SERVICE
• 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.
• Never service damaged battery packs. Service
of battery packs should only be performed by the
manufacturer or authorized service providers.
SPECIFIC SAFETY RULES
FOR GRINDERS
Safety Warnings Common for Grinding, Sanding,
Wire Brushing or Cutting-Off Operations:
• This power tool is intended to function as a
grinder, sander, wire brush, hole cutter or cut-
off tool. Read all safety warnings, instructions,
illustrations and specifications provided with
this power tool. Failure to follow all instructions
listed below may result in electric shock, fire and/or
serious injury.
• Operations such as polishing are not to be
performed with this power tool. Operations for
which the power tool was not designed may create
a hazard and cause personal injury.
• Do not convert this power tool to operate in
a way which is not specifically designed and
specified by the tool manufacturer. Such a con-
version may result in a loss of control and cause
serious personal injury.
• Do not use accessories which are not spe-
cifically designed and specified by the tool
manufacturer. Just because the accessory can be
attached to your power tool, it does not assure safe
operation.
• The rated speed of the accessory must be at
least equal to the maximum speed marked on
the power tool. Accessories running faster than
their rated speed can break and fly apart.
• The outside diameter and the thickness of your
accessory must be within the capacity rating
of your power tool. Incorrectly sized accessories
cannot be adequately guarded or controlled.
• The dimensions of the accessory mounting must
fit the dimensions of the mounting hardware of
the power tool. Accessories that do not match the
mounting hardware of the power tool will run out of
balance, vibrate excessively and may cause loss of
control.
• Do not use a damaged accessory. Before each
use inspect the accessory such as abrasive
wheels for chips and cracks, backing pad for
cracks, tear or excess wear, wire brush for
loose or cracked wires. If power tool or acces-
sory is dropped, inspect for damage or install
an undamaged accessory. After inspecting and
installing an accessory, position yourself and
bystanders away from the plane of the rotating
accessory and run the power tool at maximum
no-load speed for one minute. Damaged acces-
sories will normally break apart during this test time.
• Wear personal protective equipment. Depending
on application, use face shield, safety goggles or
safety glasses. As appropriate, wear dust mask,
hearing protectors, gloves and workshop apron
capable of stopping small abrasive or workpiece
fragments. The eye protection must be capable of
stopping flying debris generated by various applica-
tions. The dust mask or respirator must be capable
of filtrating particles generated by the particular
application. Prolonged exposure to high intensity
noise may cause hearing loss.
• Keep bystanders a safe distance away from
work area. Anyone entering the work area must
wear personal protective equipment. Fragments
of workpiece or of a broken accessory may fly away
and cause injury beyond immediate area of opera-
tion.
• Hold the power tool by insulated gripping sur-
faces only, when performing an operation where
the cutting tool may contact hidden wiring.
Contact with a "live" wire will also make exposed
metal parts of the power tool "live" and could give
the operator an electric shock.
• Never lay the power tool down until the acces-
sory has come to a complete stop. The spinning
accessory may grab the surface and pull the power
tool out of your control.
• Do not run the power tool while carrying it at
your side. Accidental contact with the spinning
accessory could snag your clothing, pulling the ac-
cessory into your body.
• Regularly clean the power tool's air vents. The
motor's fan will draw the dust inside the housing
and excessive accumulation of powdered metal
may cause electrical hazards.
• Do not operate the power tool near flammable
materials. Sparks could ignite these materials.
• Do not use accessories that require liquid cool-
ants. Using water or other liquid coolants may result
in electrocution or shock.
Kickback and Related Warnings
Kickback is a sudden reaction to a pinched or
snagged rotating wheel, backing pad, brush or
any other accessory. Pinching or snagging causes
rapid stalling of the rotating accessory which in turn
causes the uncontrolled power tool to be forced in
the direction opposite of the accessory's rotation at
the point of the binding.
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