Before Use; Charging The Battery - Hilti HDE 500-A22 Mode D'emploi

with a "live" wire will make exposed metal parts of
the tool "live" and shock the operator.
j) If the battery is too hot to touch it may be defective.
Place the tool in a location where it can be kept
under observation, well away from flammable ma-
terials, and allow it to cool down. Contact Hilti
Service after the battery has cooled down.
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5.2.2 Power tool use and care
a) The tool may be operated only when in faultless
condition.
b) Use only foil pack holders of a type approved for
use with the tool.
c) Do not use damaged foil pack holders or damaged
foil packs.
d) The tool, the cradle for the foil pack holders,
the piston rods with pressure pieces and the foil
pack holders must be clean and free from foreign
matter.
e) Remove the battery before storing or transporting
the tool.

6 Before use

6.1 Battery use and care
NOTE
Use a battery only when it has been fully charged. This en-
sures that maximum battery capacity is available. Change
to the second battery as soon as a drop in performance
is noticed. Recharge the battery immediately so that it is
ready for reuse.
Battery performance drops at low temperatures. For op-
timum results it is recommended that the items to be
used are at room temperature before work begins. The
battery must be kept warm, i.e. within its normal oper-
ating temperature range, when working outdoors in low
temperatures.

6.2 Charging the battery

DANGER
Use only the Hilti batteries and Hilti chargers listed
under "Accessories".
18
5.2.3 Work area safety
a) Ensure that the workplace is well ventilated.
b) Children must be instructed not to play with the
appliance.
c) This appliance is not intended for use by per-
sons (including children) with reduced physical,
sensory or mental capabilities, or lack of experi-
ence and knowledge, unless they have been given
supervision or instruction concerning use of the
appliance by a person responsible for their safety.
5.2.4 Personal protective equipment
a) Wear personal protective equipment while the
tool is in use: closely fitting protective glasses
or face shield, protective gloves and protective
clothing. Wearing personal protective equipment re-
duces the risk of injury.
b) Persons in the immediate vicinity must also wear
personal protective equipment while the tool is in
use.
6.2.1 Charging a new battery for the first time
Charge the battery fully before using it for the first time.
6.2.2 Charging a previously used battery
Ensure that the outer surfaces of the battery are clean
and dry before inserting it in the corresponding charger.
Read the operating instructions for the charger for further
information about the charging procedure.
Li-ion batteries are ready for use at any time, even when
only partly charged. Charging progress is indicated by
the LED display (see charger operating instructions).
6.3 Fitting the battery 3 4
CAUTION
Before inserting the battery, check that the dispenser
output selector switch is in the "off" position. Use only
the Hilti batteries approved for use with this power
tool.
CAUTION
Before inserting the battery in the tool or appliance,
check that the terminals of the battery and the tool or
appliance are free from foreign objects.
1. Push the battery into the tool from the rear as far as
it will go and until it is heard to engage with a click.