Hilti Nuron TE 2-22 Original Operating Instructions page 34

Electrical safety
▶ Before beginning work, check the working area for concealed electric
cables or gas and water pipes. External metal parts of the product could
give you an electric shock or cause an explosion if you accidentally
damage an electric cable or a gas or water pipe.
Power tool use and care
▶ Switch the product off immediately if the accessory tool jams. The
product might twist off-line.
▶ Wait until the product stops completely before you lay it down.
2.4 Battery use and care
▶ Comply with the following safety instructions for the safe handling
and use of Li-ion batteries. Failure to comply can lead to skin irritation,
severe corrosive injury, chemical burns, fire and/or explosion.
▶ Use only batteries that are in perfect working order.
▶ Treat batteries with care in order to avoid damage and prevent leakage
of fluids that are extremely harmful to health!
▶ Do not under any circumstances modify or tamper with batteries!
▶ Do not disassemble, crush or incinerate batteries and do not subject
them to temperatures over 80 °C (176 °F).
▶ Never use or charge a battery that has suffered an impact or been
damaged in any other way. Check your batteries regularly for signs of
damage.
▶ Never use recycled or repaired batteries.
▶ Never use the battery or a battery-operated power tool as a striking tool.
▶ Never expose batteries to the direct rays of the sun, elevated tempera-
ture, sparking, or open flame. This can lead to explosions.
▶ Do not touch the battery poles with your fingers, tools, jewelry, or other
electrically conductive objects. This can damage the battery and also
cause material damage and personal injury.
▶ Keep batteries away from rain, moisture and liquids. Penetrating moisture
can cause short circuits, electric shock, burns, fire and explosions.
▶ Use only chargers and power tools approved for the specific battery
type. Read and follow the relevant operating instructions.
▶ Do not use or store the battery in explosive environments.
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