DeWalt DCN890 Original Instructions Manual page 42

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4) Power Tool Use and Care
a ) Do not force the power tool. Use the correct power
tool for your application. The correct power tool
will do the job better and safer at the rate for which it
was designed.
b ) Do not use the power tool if the switch does not turn
it on and off. Any power tool that cannot be controlled
with the switch is dangerous and must be repaired.
c ) Disconnect the plug from the power source and/
or remove the battery pack, if detachable, from
the power tool before making any adjustments,
changing accessories, or storing power tools. Such
preventive safety measures reduce the risk of starting the
power tool accidentally.
d ) Store idle power tools out of the reach of children
and do not allow persons unfamiliar with the power
tool or these instructions to operate the power tool.
Power tools are dangerous in the hands of untrained users.
e ) Maintain power tools and accessories. Check for
misalignment or binding of moving parts, breakage
of parts and any other condition that may affect the
power tool's operation. If damaged, have the power
tool repaired before use. Many accidents are caused by
poorly maintained power tools.
f ) Keep cutting tools sharp and clean. Properly
maintained cutting tools with sharp cutting edges are less
likely to bind and are easier to control.
g ) Use the power tool, accessories and tool bits, etc.
in accordance with these instructions, taking 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 hazardous situation.
h ) Keep handles and grasping surfaces dry, clean and
free from oil and grease. Slippery handles and grasping
surfaces do not allow for safe handling and control of the
tool in unexpected situations.
5) Battery Tool Use and Care
a ) Recharge only with the charger specified by the
manufacturer. A charger that is suitable for one type
of battery pack may create a risk of fire when used with
another battery pack.
b ) Use power tools only with specifically designated
battery packs. Use of any other battery packs may create
a risk of injury and fire.
c ) 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.
d ) Under abusive conditions, liquid may be ejected
from the battery; avoid contact. If contact
accidentally occurs, flush with water. If liquid
contacts eyes, additionally seek medical help. Liquid
ejected from the battery may cause irritation or burns.
e ) Do not use a battery pack or tool that is damaged or
modified. Damaged or modified batteries may exhibit
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unpredictable behaviour resulting in fire, explosion or risk
of injury.
f ) Do not expose a battery pack or tool to fire or
excessive temperature. Exposure to fire or temperature
above 130 °C may cause explosion.
g ) 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.
6) 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 is maintained.
b ) Never service damaged battery packs. Service
of battery packs should only be performed by the
manufacturer or authorized service providers.
Nailer Safety Warnings
• Always assume that the tool contains fasteners. Careless
handling of the nailer can result in unexpected firing of
fasteners and personal injury.
• Do not point the tool towards yourself or anyone
nearby. Unexpected triggering could discharge a fastener
causing an injury.
• Do not actuate the tool unless the tool is placed firmly
against the workpiece. If the tool is not in contact with
the workpiece, the fastener may be deflected away from
your target.
• Disconnect the tool from the power source when the
fastener jams in the tool. While removing a jammed
fastener, the nailer may be accidentally activated if it is
plugged in.
Additional Nailer Safety Warnings

WARNING: When using any nailer, all safety precautions,
as outlined below, should be followed to avoid the risk
of death or serious injury. Read and understand all
instructions before operating the tool.
• Hold tool by insulated gripping surfaces when
performing an operation where the pin may contact
hidden wiring. Contact with a "live" wire will make exposed
metal parts of the tool "live" and shock the operator.
• Always wear appropriate personal hearing and other
protection during use. Under some conditions and duration
of use, noise from this product may contribute to hearing loss.
• Disconnect battery pack from the tool when not in
use. Always remove battery pack and remove fasteners
from magazine before leaving the area or passing the tool
to another operator. Do not carry tool to another work area
in which changing location involves the use of scaffoldings,
stairs, ladders, and the like, with battery pack connected. Do
not make adjustments, perform maintenance or clear jammed
fasteners while battery is in place.
• Always use trigger lock-off when tool is not in
immediate use. Using the trigger lock-off will prevent
accidental discharge.