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■ Before beginning work, check the working area
(e.g. using a metal detector) to ensure that no con-
cealed electric cables or gas and water pipes are
present. External metal parts of the machine may
become live, for example, when an electric cable is
damaged accidentally. This presents a serious risk of
electric shock.
■ The machine is not intended for use by children,
by debilitated persons or those who have received
no instruction or training.
■ Children must be instructed not to play with the
machine.
■ Dust from material such as paint containing lead,
some wood species, minerals and metal may be harm-
ful. Contact with or inhalation of the dust may cause
allergic reactions and/or respiratory diseases to the
operator or bystanders.
Certain kinds of dust are classified as carcinogenic
such as oak and beech dust especially in conjunction
with additives for wood conditioning (chromate, wood
preservative). Material containing asbestos must only
be treated by specialists.
Where the use of a dust extraction device is possible
it shall be used. To achieve a high level of dust
collection, use a suitable vacuum cleaner of the type
recommended by Hilti for wood dust and/or mineral
dust together with this tool. Ensure that the workpla-
ce is well ventilated. The use of a dust mask of filter
class P2 is recommended. Follow national require-
ments for the materials you want to work with.
2.2
Use of the equipment as directed
■ The D-LP 15/DS-TS 22 hydraulic saw system has
been developed for the technical demolition of steel,
concrete, stone or brickwork structures in construc-
tion and civil engineering applications. It can be used
for wet or dry sawing (the wet sawing technique is
normally used). Use extending beyond this is consid-
ered to be not as directed and requires to be clarified
in advance with the manufacturer.
■ The hydraulic saw system may be operated only
by specialists trained in concrete cutting techniques,
referred to in the following as "operators". These per-
sons must be familiar with the content of these oper-
ating instructions and must have been trained in their
safe application by a Hilti specialist.
■ National regulations and laws, as well as the oper-
Printed: 13.01.2016 | Doc-Nr: PUB / 5139176 / 000 / 02
2. Safety precautions
ating instructions and the safety information applica-
ble to the accessories employed (saw blade, fasten-
ing accessories etc.) must be observed.
■ Use only the accessories recommended in these
operating instructions. The use of other accessories
may result in damage or injury. Use only original Hilti
spare parts.
■ Use only saw blades approved for a cutting speed
of 63 m/sec.
2.3
Electrical safety precautions
■ Connect the unit only to a power source equipped
with an earth conductor and ground fault circuit
breaker (PRCD). Check that these items are in perfect
working order before operating the equipment.
■ Make sure that the mains voltage corresponds to
the specification given on the rating plate.
■ Protect yourself against electric shock, i.e. avoid
contact with earthed components such as pipes,
radiators and the like.
■ Check the condition of all cables and plugs each
time before use.
■ Keep all electric cables, especially their plug con-
nections, in a dry condition. Close the electric sock-
ets by means of the covers supplied when not in use.
■ Use of extension cables: Use only extension
cables with adequate conductor cross-section which
are approved for the intended field of use. Do not
work with extension cables when they are rolled up.
This can result in a drop in output at the equipment
and may cause the cable to overheat. Replace dam-
aged extension cables.
■ Disconnect the power cable before beginning
cleaning and maintenance work or in the event of a
lengthy interruption between periods of operation.
■ Any generator used must be earthed when in
operation.
2.4
Safety precautions during transport
■ Make sure that the hydraulic saw system cannot
move about during transportation.
7
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