10 English
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Battery release button
:
Control switch (with electronic
speed control)
3.2 Intended use
The product described is a hand-held, cordless hammer drill/driver for driving
and removing screws, drilling in steel, wood and plastic and for hammer
drilling in masonry.
Hilti products are designed for professional use and may be operated, ser-
viced and maintained only by trained, authorized personnel. This personnel
must be informed of any particular hazards that may be encountered. The
hammer drill/driver and its ancillary equipment may present hazards when
used incorrectly by untrained personnel or when used not as directed.
▶ Do not use the battery as a power source for other unspecified power
tools or appliances.
▶ Observe the national health and safety requirements.
▶ To reduce the risk of injury, use only genuine Hilti tools and accessories.
▶ Use only Hilti LiIon batteries of the B 12 series with this product.
Make sure that the outer surfaces of the battery are clean and dry
before inserting the battery in an approved battery charger.
Read the operating instructions for the charger for further information
about the charging procedure.
▶ Use only Hilti battery chargers from the C4/12-50 series with these
batteries.
3.3 Charge status display
The charge status of the Liion battery is displayed after pressing the release
button.
Status Meaning
4 LEDs light. • Charge status: 75 % to 100 %
3 LEDs light. • Charge status: 50 % to 75 %
2 LEDs light. • Charge status: 25 % to 50 %
1 LED lights. • Charge status: 10 % to 25 %
1 LED blinks. • Charge status: < 10 %
Battery charge status cannot be displayed while the control switch is
pressed.
3.4 Overload and overheating protection
The power tool is equipped with an electronic system to protect against
overloading and overheating. The power tool switches itself off automatically
in the event of overloading or overheating. After releasing the control switch,
Printed: 07.01.2019 | Doc-Nr: PUB / 5245418 / 000 / 03
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