Hilti NUN 54-22, Original Operating Instructions

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*2321738*
2321738 English 5
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Do not secure a belt hook to this power tool.
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Risk of injury by falling tools and/or accessories. Before starting work, check that installed accessories
are secure.
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Do not look directly into the light source (LED) of the product and do not aim the beam at other persons’
faces. Risk of dazzling or eye damage.
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Keep the retaining strap and the tether clean and dry.
Electrical safety
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Before use of the crimping/cutting tool, all live cables and other equipment carrying electric voltage within
the area in which the user is working are to be switched off. If this is not possible, the corresponding
safety precautions for working in proximity to electrically live cables or equipment applicable in your
country must be implemented and observed.
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Before beginning work, check the working area for concealed electric cables or gas and water pipes.
External metal parts of the product could give you an electric shock or cause an explosion if you
accidentally damage an electric cable or a gas or water pipe.
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Do not crimp/cut live parts, i.e. parts carrying electric voltage. The crimping/cutting tool must be
considered as being uninsulated and must therefore be used in combination with personal protective
equipment (protective gloves, protective footwear, protective clothing, etc.) of a type suitable to provide
protection for yourself and other persons in the vicinity. It is essential to ensure adequate insulation
for working in the vicinity of electrically live lines, for example by the use of solid insulating material or
maintenance of an adequate air gap. Among other uses, the crimping/cutting tool is suitable for use on
electrically insulating aerial lifts or platforms.
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In order to use the crimping/cutting tool in the vicinity of electrically live lines, the user must:
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take all different potentials (voltages) into account.
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make sure that all chosen measures and tools are appropriate for the application.
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be trained for working on electrically live lines.
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wear fit-for-purpose personal protective equipment.
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wear appropriate, close-fitting clothing.
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remove metallic lifestyle accessories such as jewelry.
Power tool use and care
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After approx. 50 consecutive crimping/cutting operations, switch the crimping/cutting tool off and allow
it to cool down for about 15 minutes. Overheating can lead to damage to the crimping/cutting tool.
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Store the crimping/cutting tool in a dry place inaccessible to children and unauthorized persons.
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Hilti recommends having the crimping tool overhauled by Hilti Service after 15,000 crimping operations.
2.3 Battery use and care
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Comply with the following safety instructions for the safe handling and use of Li-ion batteries.
Failure to comply can lead to skin irritation, severe corrosive injury, chemical burns, fire and/or explosion.
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Use only batteries that are in perfect working order.
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Treat batteries with care in order to avoid damage and prevent leakage of fluids that are extremely
harmful to health!
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Do not under any circumstances modify or tamper with batteries!
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Do not disassemble, crush or incinerate batteries and do not subject them to temperatures over 80 °C
(176 °F).
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Never use or charge a battery that has suffered an impact or been damaged in any other way. Check
your batteries regularly for signs of damage.
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Never use recycled or repaired batteries.
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Never use the battery or a battery-operated power tool as a striking tool.
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Never expose batteries to the direct rays of the sun, elevated temperature, sparking, or open flame. This
can lead to explosions.
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Do not touch the battery poles with your fingers, tools, jewelry, or other electrically conductive objects.
This can damage the battery and also cause material damage and personal injury.
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Keep batteries away from rain, moisture and liquids. Penetrating moisture can cause short circuits,
electric shock, burns, fire and explosions.
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Use only chargers and power tools approved for the specific battery type. Read and follow the relevant
operating instructions.
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Do not use or store the battery in explosive environments.