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● Check that all moving parts are undamaged and that
they function properly without sticking. All parts must
be fitted correctly and fulfill all of the conditions nec-
essary to ensure faultless operation.
● Never place your hands in front of or on the saw blade.
● Check the tool for possible damage. Protective devices
and any parts that may have suffered slight damage
should be checked for correct operation and func-
tionality before further use of the electric tool. Safety
devices or other parts that are found to be damaged
must be replaced or repaired properly by an autho-
rized repair workshop unless otherwise indicated in
the operating instructions.
5.3.1 Mechanical
● Check that wrenches etc. have been removed from
the tool before switching it on.
● Observe the instructions concerning care and main-
tenance and replacement of insert tools in good time.
● Ensure that the insert tools used are equipped with the
correct connection end system and that they are prop-
erly fitted and secured in the chuck.
● The safety guard for the saw blade must always be fit-
ted in order to prevent inadvertent contact with the
saw blade or the moving parts above the saw blade.
5.3.2 Electrical
● Protect yourself against electric shock. Avoid body
contact with earthed / grounded objects, e.g. pipes
and radiators etc.
● Check the condition of the tool’s supply cord at reg-
ular intervals. The supply cord should be replaced by
a trained electrical specialist if damage is found. Also
regularly check the condition of extension cords and
replace these if damage is found.
● Check the condition of the tool. Do not operate the tool
if it is found to be damaged, if it is not complete or if
its controls cannot be operated faultlessly.
● Do not touch the supply cord in the event of it suffer-
ing damage while working. Disconnect the supply cord
plug from the socket.
● Damaged switches must be replaced at a Hilti service
center. Do not use the tool if it cannot be switched off
and on properly.
● The tool should be repaired only by a trained electri-
cal specialist (Hilti service center using original Hilti
spare parts. Failure to observe this point may result
in a risk of accident to the user.
● Do not use the supply cord for purposes for which it
is not intended. Never carry the tool by the supply
cord. Do not pull the plug out of the socket by pulling
the supply cord.
● Do not expose the supply cord to heat, oil or sharp
edges.
● When working outdoors, use only extension cords
approved and correspondingly marked as suitable for
outdoor use.
● In the event of a power cut: Switch off and unplug the
tool.
● Avoid using extension cords with multiple sockets
and the simultaneous use of several electric tools con-
nected to one extension cord.
● Never operate the tool when it is dirty or wet. Dust or
dampness on the surface of the tool make it difficult
to hold and, under unfavorable conditions, may lead
to electric shocks. Accordingly, have the tool checked
regularly at a Hilti service center if it is used frequently
for cutting conductive materials.
5.3.3 Thermal
Warning: Wear
hot surface protective
gloves
●
The insert tool may become hot during use. You should
therefore wear protective gloves when changing insert
tools.
5.3.4 Dust
● Wear respiratory protection when the work causes
dust.
● Before beginning work, find out the hazard class of
the dust produced by the work. Use only an industri-
al vacuum cleaner with an officially approved protec-
tion classification in compliance with your local dust
control regulations for work with the tool.
5.4 Requirements to be met by users
● The tool may be operated, serviced and repaired only
by authorized, trained personnel. This personnel must
be informed of any special hazards that may be encoun-
tered.
● Always concentrate on the job you are doing. Proceed
carefully and do not use the tool if your full attention
is not on the job.
5.5 Personal protective equipment
The user and any other persons in the vicinity must wear
suitable eye protection, ear protection and protective
gloves. They must also wear respiratory protection if no
dust removal system is used.
5.6 Protective devices
Never operate the tool without the applicable protective
devices (dust hood).
Wear
ear
protection
Wear
protective
gloves
Wear
breathing
protection
Wear
eye
protection