Before Use - Hilti SID 121-A Manual De Instrucciones

ance. Use of other batteries or use of the battery
for purposes for which it is not intended presents
a risk of fire and explosion.
d) Observe the special instructions applicable to
the transport, storage and use of Li-ion batter-
ies.
e) Do not charge or continue to use damaged bat-
en
teries (e.g. batteries with cracks, broken parts,
bent or pushed-in and/or pulled-out contacts).
5.2.4 Electrical safety
Before beginning work, check the working area
(e.g. using a metal detector) to ensure that no
concealed electric cables or gas and water pipes
are present. External metal parts of the power tool
may become live, for example, when an electric cable

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.
Use the Hilti battery only with the approved Hilti char-
gers listed in the "Insert tools, accessories" section.
Ensure that the outer surfaces of the battery are clean
and dry before inserting it in the corresponding char-
ger. Read the operating instructions for the charger
for further information about the charging procedure.
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Printed: 07.07.2013 | Doc-Nr: PUB / 5070691 / 000 / 00
is damaged accidentally. This presents a serious risk
of electric shock.
5.2.5 Work area
a) Ensure that the workplace is well lit.
b) Ensure that the workplace is well ventilated.
Exposure to dust at a poorly ventilated workplace
may result in damage to the health.
5.2.6 Personal protective equipment
The user and any other persons in the vicinity must
wear suitable eye protection, a hard hat, ear pro-
tection, protective gloves and breathing protection
while the tool is in use.
6.1.1 Charging a new battery for the first time
A new battery must be charged correctly for the
first time before use. This will ensure that the cells
form correctly. Incorrect initial charging may have a
permanent, negative effect on battery capacity. Please
refer to the applicable battery charger's operating
instructions for information about initial charging.
6.1.2 Recharging NiCd and NiMH batteries
NiCd and NiMH batteries should be allowed to reach
full charge each time they are charged.
6.1.3 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-