Care And Maintenance; Care Of Insert/Power Tools; Service Indicator; Troubleshooting - Hilti TE 3000-AVR Original Operating Instructions

8 Care and maintenance

CAUTION
Disconnect the mains plug from the power outlet.
CAUTION
The power tool must always be checked by a Hilti
specialist for internal or external damage whenever it
has been dropped or fallen over.
8.1 Care of insert tools
Clean off dirt and dust deposits adhering to the insert
tools and protect them from corrosion by wiping the
insert tools from time to time with an oil-soaked rag.

8.3 Service indicator

NOTE
The power tool is equipped with a service indicator.
Indicator
8.4 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

9 Troubleshooting

Fault
The power tool doesn't start.
No hammering action.
8.2 Care of the power tool
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.
Constant red light
damaged or when the controls do not function faultlessly.
If necessary, the power tool should be repaired by Hilti
Service.
8.5 Checking the power tool after care and
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.
Possible cause
Electronics initialization in progress
(takes up to 4 seconds after plugging
in).
Interruption in the electric supply.
The supply cord or plug is defective.
Generator with sleep mode.
The power tool is too cold.
End of service interval - servicing is due.
After the lamp lights for the first time,
the power tool may continue to be used
for several hours before the automatic
cut-out is activated. To ensure that the
power tool is always ready for use, it
should be returned to Hilti for servicing
in good time.
maintenance
Remedy
Switch the power tool off and on
again.
Plug in another electric appliance and
check whether it works.
Have it checked by a trained electrical
specialist and replaced if necessary.
Apply a load to the generator by con-
necting another appliance (e.g. a
lamp). Subsequently switch the power
tool off and on again.
Allow the power tool to warm up to
the minimum operating temperature.
See section: 7.2.2 Chiseling
en
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