Before Use; Operation - Hilti SID 121-A Manual De Instrucciones

6. Before use

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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.
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

7. Operation

7.1 Changing insert tools
CAUTION
Wear protective gloves when changing insert tools
as the insert tools get hot during use.
Check that the connection end of the insert tool is
clean. Clean the connection end if necessary.
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Printed: 07.07.2013 | Doc-Nr: PUB / 5070692 / 000 / 00
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
Li-ion batteries are ready for use at any time, even
when only partly charged. Charging progress is indic-
ated by the LEDs (please refer to the section "Reading
the charge status LED display on Li ion batteries").
6.1.4 Fitting the battery to the power tool
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.
1. Push the battery into the power tool from below
until it is heard to engage with a click.
2. CAUTIONA falling battery may present a risk of
injury to yourself or others.
Check that the battery is seated securely in the
power tool.
6.1.5 Removing the battery 2
1. Press both battery release buttons.
2. Pull the battery downwards out of the power tool.
7.1.1 Changing insert tools with the SID 121-A
and SID 144-A 3
NOTE
The power tool is equipped with a / " hex. socket
chuck with locking ring.