Batteries And Chargers - DeWalt DCHT820 Instruction Manual

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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.
• 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:
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:
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.

CAUTION:
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 knocked over.
Air vents often cover moving parts and should be
•
avoided. Loose clothes, jewelry or long hair can be
caught in moving parts.
The label on your tool may include the following symbols. The
symbols and their definitions are as follows:
V ......................... volts
Hz ....................... hertz
A ......................... amperes
W ........................ watts
min ..................... minutes
or AC ........... alternating current
or DC ...... direct current
...................... Class I Construction
(grounded)

BATTERIES AND CHARGERS

The battery pack is not fully charged out of the carton.
Before using the battery pack and charger, read the
safety instructions below and then follow charging
procedures outlined. When ordering replacement battery
packs, be sure to include the catalog number and voltage.
Your tool uses a D WALT charger. Be sure to read all safety
e
instructions before using your charger. Consult the chart
at the end of this manual for compatibility of chargers and
battery packs.
READ ALL INSTRUCTIONS
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Use of this tool can generate
Always wear proper
When not in use, place tool
...................... Class II
Construction
(double insulated)
.../min .............. per minute
RPM .................... revolutions per
minute
n o ....................... no load speed
...................... earthing terminal
..................... safety alert symbol
CSPM .................. cut strokes per
minute
Important Safety Instructions for All
Battery Packs

WARNING:
and all instructions for the battery pack, charger
and power tool. Failure to follow the WARNINGs
and instructions may result in electric shock, fire
and/or serious injury.
• Do not charge or use the battery pack in explosive
atmospheres, such as in the presence of flammable
liquids, gases or dust. Inserting or removing the battery
pack from the charger may ignite the dust or fumes.
NEVER force the battery pack into the charger. DO
•
NOT modify the battery pack in any way to fit into
a non-compatible charger as battery pack may
rupture causing serious personal injury. Consult
the chart at the end of this manual for compatibility of
batteries and chargers.
• Charge the battery packs only in designated
D WALT chargers.
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• DO NOT splash or immerse in water or other liquids.
• Do not store or use the tool and battery pack in
locations where the temperature may reach or
exceed 104 °F (40 °C) (such as outside sheds or metal
buildings in summer). For best life store battery packs in
a cool, dry location.
NOTE: Do not store the battery packs in a tool with
the trigger switch locked on. Never tape the trigger
switch in the ON position.
• Do not expose battery pack or tool/appliance to
fire or excessive temperature. Exposure to fire or
temperature above 265°F (130°C) may cause explosion.
• Do not incinerate the battery pack even if it is
severely damaged or is completely worn out. The
battery pack can explode in a fire. Toxic fumes and
materials are created when lithium ion battery packs
are burned.
If battery contents come into contact with the skin,
•
immedicately wash area with mild soap and water.
If battery liquid gets into the eye, rinse water over the open
eye for 15 minutes or until irritation ceases. If medical
attention is needed, the battery electrolyte is composed of
a mixture of liquid organic carbonates and lithium salts.
Contents of opened battery cells may cause
•
respiratory irritation. Provide fresh air. If symptoms
persist, seek medical attention.

WARNING:
may be flammable if exposed to spark or flame.

WARNING:
to open the battery pack for any reason. If the battery
pack case is cracked or damaged, do not insert into
the charger. Do not crush, drop or damage the battery
pack. Do not use a battery pack or charger that has
received a sharp blow, been dropped, run over or
Read all safety WARNINGs
Burn hazard. Battery liquid
Fire hazard. Never attempt