Care And Maintenance - Hilti TE 6-A36 Operating Instructions Manual

The Li-ion battery features a state of charge LED display.
The charge state is indicated by the LEDs on the battery
during charging (please refer to the operating instructions
for the charger). When the battery is not in use, pressing

8 Care and maintenance

CAUTION
Before beginning cleaning, remove the battery in or-
der to prevent the electric tool starting unintentionally.
8.1 Care of insert tools
Check that the connection end of the insert tool is clean
and lightly greased. Clean it and grease it if necessary.
8.2 Care of the power tool
CAUTION
Keep the power tool, especially its grip surfaces,
clean and free from oil and grease. Do not use clean-
ing agents which contain silicone.
Never operate the power tool when the ventilation slots
are blocked. Clean the ventilation slots carefully using
a dry brush. Do not permit foreign objects to enter the
interior of the power tool. Clean the outside of the power
tool at regular intervals with a slightly damp cloth. Do
not use a spray, steam pressure cleaning equipment or
running water for cleaning. This may negatively affect the
electrical safety of the power tool.
8.3 Cleaning or replacing the dust shield
Clean the dust shield on the chuck with a dry, clean
cloth at regular intervals. Clean the sealing lip by wiping it
carefully and then grease it again lightly with Hilti grease.
It is essential that the dust shield is replaced if the sealing
lip is found to be damaged. Push the tip of a screwdriver
under the edge of the dust shield and prise it out toward
the front. Clean the area of the chuck in contact with dust
shield and then fit a new dust shield. Press it in firmly
until it engages.
8.4 Care of the Li‑ion battery
Avoid ingress of moisture.
Charge the battery fully before using it for the first time.
In order to achieve maximum battery life, stop drawing
power from the battery as soon as a significant drop in
battery performance is noticed.
one of the battery release buttons or inserting the battery
into the power tool causes the battery charge state to be
displayed by the four LEDs for three seconds.
See section: 2.9 Li‑ion battery charge state
NOTE
If use continues, further battery discharge will be stopped
automatically before the battery cells suffer damage.
Charge the batteries with the Hilti chargers approved for
use with Li-ion batteries.
NOTE
- A conditioning charge (as is required with NiCd or
NiMH batteries) is not necessary.
- Interruption of the charging procedure has no negative
effect on battery life.
- Charging can be started at any time with no negative
effect on battery life. There is no memory effect (as
with NiCd or NiMH batteries).
- For best results, batteries should be stored fully
charged in a cool dry place. Storing the battery in
places subject to high ambient temperatures (e.g. at
a window) has an adverse effect on battery life and
increases the rate of self-discharge.
- If the battery no longer reaches full charge, it may
have lost capacity due to aging or overstressing. It
is still possible to work with this battery. You should,
however, soon replace the battery with a new one.
8.5 Maintenance
WARNING
Repairs to the electrical section of the power tool may
be carried out only by trained electrical specialists.
Check all external parts of the power tool for damage
at regular intervals and check that all controls operate
faultlessly. Do not operate the power tool if parts are
damaged or when the controls do not function faultlessly.
If necessary, the power tool should be repaired by Hilti
Service.
8.6 Checking the power tool after care and
maintenance
After carrying out care and maintenance work on the
power tool, check that all protective and safety devices
are fitted and that they function faultlessly.
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