Hilti AG 500-A18, Руководство по эксплуатации

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tool. In this case, use of a stationary dust extraction
system and frequent cleaning of the ventilation slots
are recommended.
The outer casing of the power tool is made from
impact-resistant plastic. Sections of the grip are made
from a synthetic rubber material.
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. Always keep the grip surfaces of the
power tool free from oil and grease. Do not use
cleaning agents which contain silicone.
8.2 Maintenance
WARNING
Do not operate the tool if parts are damaged or
when the controls do not function faultlessly. Have
the power tool repaired by Hilti Service.
WARNING
Repairs to the electrical section of the power tool
may be carried out only by trained electrical spe-
cialists.
Check all external parts of the power tool for damage
at regular intervals and check that all controls operate
faultlessly.
8.3 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.
9. Troubleshooting
Fault Possible cause Remedy
The battery runs down more
quickly than usual. Battery condition is not optimal. Have battery condition diagnosed
by Hilti Service or replace with a
new battery.
The battery doesn’t engage
with an audible click. The retaining lugs on the battery
are dirty.
Clean the retaining lugs and check
that the battery engages securely.
Contact Hilti Service if the problem
persists.
LED 1 blinks The battery is discharged. Charge the battery.
The power tool has
been overloaded
(application limits exceeded). Use the right power tool for the job
(don’t use a low-powered tool for
heavy work).
The power tool doesn’t run
and 1 LED blinks. The battery is discharged. Change the battery and recharge
the discharged battery.
The battery is too hot or too cold. Bring the battery to the recom-
mended working temperature.
The power tool doesn’t work
and all 4 LEDs blink. The power tool has been over-
loaded briefly. Release the switch and press it
again.
The overheating prevention cut-out
has been activated. Allow the power tool to cool down.
The power tool or the battery
becomes very warm. Electrical fault. Switch the power tool off imme-
diately, remove the battery and
contact Hilti Service.
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