5.3.6 Personal protective equipment
en
The user and any other persons in the vicinity must
wear suitable eye protection, a hard hat, ear pro-
6. Before use
6.1 Battery use and care
NOTE
Battery performance drops at low temperatures.
Never use the battery until the cells become fully
discharged. 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.
Store the battery in a cool, dry place. Never store
the battery where it is exposed to direct sunlight or
sources of heat, e.g. on heaters / radiators or behind a
motor vehicle windscreen. Batteries that have reached
the end of their life must be disposed of safely and
correctly to avoid environmental pollution.
6.2 Charging the battery
DANGER
Use only the Hilti batteries and Hilti chargers listed
under "Accessories".
6.2.1 Charging a new battery for the first time
Charge the battery fully before using it for the first
time.
26
tection, protective gloves and breathing protection
while the tool is in use.
6.2.2 Charging a previously used battery
CAUTION
Use only the Hilti chargers listed under "Accessor-
ies".
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.
6.2.2.1 Recharging Li-ion batteries
CAUTION
Make sure that the outer surfaces of the battery
are clean and dry before inserting it in the charger.
Observe the operating instructions for the charger.
Li-ion batteries are ready for use at any time, even
when only partly charged. Charging progress is in-
dicated by the LED display (see charger operating
instructions).
6.3 Fitting the battery 2
CAUTION
Before fitting the battery, check that the power tool
is switched off and that the safety lock is engaged
(forward/reverse switch in the middle position). Use
only the Hilti batteries approved for use with this
power tool.