Hilti C 7/24, Operating Instructions Manual, Page: 8 / 29

4
en
supply cord plug from the power outlet. Damaged
supply cords or extension cords present a risk of elec-
tric shock.
b) Never operate the appliance when it is dirty or wet.
Under unfavorable conditions, dampness or dust
adhering to the surface of the appliance, especially
dust from conductive materials, may present a risk
of electric shock. Dirty or dusty appliances should
thus be checked at a Hilti service center at regular
intervals, especially if used frequently for working on
conductive materials.
4.2.4 Work area safety
Ensure that the workplace is well lit.
5. Before use
G
The electric supply voltage must comply with the spec-
ification given on the rating plate.
5.1 Operate the charger only at a suitable place
G
The charger should be operated only at a dry, clean,
cool place but where it is protected from frost.
G
The charger must be able to give off heat during the
charging operation. Accordingly, ensure that the ven-
tilation slots remain unobstructed.
G
Accordingly, remove the charger from the toolbox.
G
Do not operate the charger inside a closed container.
5.2 Switching on the charger
G
Plug the supply cord into the electric socket.
-NOTE-
All 3 indicator lamps light briefly while the self-test is
being carried out. Subsequently, only the green lamp
should light.
The green lamp blinks if the self-test was unsuccessful.
Should the green lamp continue to blink after the sup-
ply cord has been unplugged and then reconnected to
the mains supply, the charger should be returned to a
Hilti service center for repair.
6. Operation
6.1 Inserting the battery
  
Insert the battery in the appropriate compartment or
interface, depending on the type of Hilti battery to be
charged.
Please use the Hilti CA 7/36 adaptor when charging
BP 40, BP 72, RB 10 and BP 12, batteries (not supplied
with the charger). Ensure that the shape of the battery
terminal section and the adaptor correspond.
The charging procedure starts automatically after the
battery has been fully inserted in the charger.
-NOTE-
The battery will not suffer damage even when left in the
charger for long periods (with the charger in operation).
-CAUTION-
The charger is designed for use with the Hilti batteries
listed. Charging other batteries is not permissible as this
may result in personal injury or serious damage to the
battery.
Corrosive liquids may leak from defective batteries. Avoid
contact with such liquids.
6.2 Indicators

Green lamp lights constantly The charger is connect-
ed to the mains supply
and is ready for use.
blinks A malfunction in the char-
ger or battery was detect-
ed during the self-test.
Red lamp lights constantly The battery is being
charged.
blinks Battery charging is
complete.
Yellow lights constantly The battery is being
lamp charged in refresh mode
(see section 6.3).
blinks The battery is too cold
(< 0°C / 32°F) or too
warm (> 60°C / 140°F).
Charging does not start.
Charging begins auto-
matically (incl. refresh
mode, if applicable) as
soon as battery
temperature is within
the specified range.
Printed: 07.07.2013 | Doc-Nr: PUB / 5069451 / 000 / 00