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faultless operation of the machine, all parts must be fitted correctly and must meet
the necessary requirements. Damaged parts must be repaired or replaced properly
by an authorized service center.
▶ Avoid skin contact with drilling and sawing slurry.
▶ Wear a protective mask during work that generates dust, e.g. dry cutting. Connect a
dust removal system. Working on materials hazardous to the health (e.g. asbestos) is
not permissible.
▶ Follow the instructions concerning care and maintenance.
▶ Children are not permitted to play with the machine and must be instructed accordingly.
▶ The machine is not intended for use by children, by debilitated persons or those who
have received no instruction or training.
2.1.3 Electrical safety
▶ Take steps to avoid electric shock. Avoid body contact with earthed or grounded
surfaces such as pipes, radiators, ranges or refrigerators.
▶ Check the machine's power cables at regular intervals and have them replaced by
a qualified specialist if found to be damaged. Check the extension cables at regular
intervals and replace them if found to be damaged.
▶ Check the condition of the machine and its accessories. Do not operate the machine
and its accessories if damage is found, if the machine is incomplete or if its controls
cannot be operated faultlessly.
▶ If an electric cable is damaged while working, do not touch the cable – switch off at
the main switch and unplug the supply cord.
▶ Damaged or faulty switches must be replaced at a Hilti service center. Do not use
a machine, power tool or appliance that cannot be switched on and off at the main
switch.
▶ Have the machine, power tool or appliance repaired only by a trained electrical
specialist (Hilti Service) using genuine Hilti spare parts. Failure to observe this point
may result in risk of accident to the user.
▶ Do not use the supply cords for purposes for which they are not intended. Never carry
the machine by the supply cord. Never pull the plug out of the power outlet by pulling
the supply cord.
▶ Do not expose the supply cords to heat, oil or sharp edges.
▶ Connect the machine and its ancillary equipment only to a power source equipped
with an earth/ground conductor and ground fault circuit interrupter (PRCD). Check
that these items are in perfect working order before operating the equipment. If a
generator is used, connect it to a grounding/earthing rod driven into the ground.
▶ Make sure that the mains voltage corresponds to the specification given on the type
plate.
▶ Electric cables and their plug connectors must be kept dry. When not in use, close
power outlets with the cover provided.
▶ Use only extension cables of a type approved for the application and with conductors
of adequate gauge. Do not use rolled-up extension cables. A rolled-up cable may
cause a drop in power and may result in the cable overheating.
▶ Disconnect the electric supply before beginning cleaning and maintenance work or in
the event of an interruption between periods of operation.
▶ Please note that certain components of the power converter may retain an extremely
dangerous (potentially fatal) high voltage for up to 10 minutes after disconnection from
the electric supply.
▶ Before beginning work, check the working area (e.g. using a metal detector) to ensure
that no concealed electric cables or gas and water pipes are present. External metal
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