8. Care and maintenance
8.1 Cleaning and drying
1. Blow dust off the lenses.
2. Do not touch the glass with the fingers.
3. Use only a clean, soft cloth for cleaning. If neces-
sary, moisten the cloth slightly with pure alcohol
or a little water.
NOTE Do not use any other liquids as these may
damage the plastic components.
4. Observe the temperature limits when storing your
equipment. This is particularly important in winter
/ summer if the equipment is kept inside a motor
vehicle (-25°C to +63°C / -13°F to 145°F).
8.2 Storage
Remove the tool from its case if it has become wet.
The tool, its carrying case and accessories should
be cleaned and dried (at maximum 40°C / 104°F).
Repack the equipment only once it is completely dry.
Check the accuracy of the equipment before it is used
after a long period of storage or transportation.
Remove the batteries from the tool before storing it
for a long period. Leaking batteries may damage the
tool.
8.3 Transport
Use the Hilti toolbox or packagingof equivalent quality
for transporting or shipping your equipment.
CAUTION
Always remove the batteries before shipping the
tool.
8.4 Hilti calibration service
We recommend that the tool is checked by the Hilti
calibration service at regular intervals in order to
verify its reliability in accordance with standards and
legal requirements.
Use can be made of the Hilti calibration service
at any time, but checking at least once a year is
recommended.
The calibration service provides confirmation that the
tool is in conformance, on the day it is tested, with
the specifications given in the operating instructions.
The tool will be readjusted if deviations from the
manufacturer’s specification are found. After check-
ing and adjustment, a calibration sticker applied to
the tool and a calibration certificate provide written
verification that the tool operates in accordance with
the manufacturer’s specification.
Calibration certificates are always required by com-
panies certified according to ISO 900x.
Your local HiltiCenter or representative willbe pleased
to provide further information.
9. Troubleshooting
Fault Possible cause Remedy
The tool can’t be switched on.
The battery is exhausted. Replace the battery.
The battery is inserted the wrong
way round (incorrect polarity).
Insert the battery correctly.
The battery compartment is not
closed.
Close the battery compartment.
The tool or the on/off switch is
faulty.
If necessary, the power tool should
be repaired by Hilti Service.
Individual laser beams don’t
function.
The laser source or laser control
unit is faulty.
If necessary, have the power tool
repaired by Hilti Service.
The tool can be switched on
but no laser beam is visible.
The laser source or laser control
unit is faulty.
If necessary, have the power tool
repaired by Hilti Service.
The temperature is too high or too
low.
Allow the tool to cool down or warm
up.
en
18
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