Hilti SF 4-A22 Manual De Instrucciones página 30

▶ Wear protective gloves also when changing the tool.
accessory tool can result in cuts and burns.
▶ Wear eye protection. Flying fragments can injure the body and eyes.
▶ Before starting work, check the hazard class of the dust that will be pro-
duced when working. Use an industrial vacuum cleaner with an officially
approved protection class in compliance with the locally applicable dust
protection regulations. Dust from materials such as lead-based paint,
certain types of wood and concrete/masonry/stone containing quartz,
minerals or metal can be harmful to health.
▶ Make sure that the workplace is well ventilated and, where necessary,
wear a respirator appropriate for the type of dust generated. Contact with
or inhalation of the dust may cause allergic reactions and/or respiratory
or other diseases among operators 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). Only specialists are permitted to handle material containing
asbestos.
▶ Take breaks and do physical exercises to improve the blood circulation
in your fingers. Exposure to vibration during long periods of work can
lead to disorders of the blood vessels and nervous system in the fingers,
hands and wrists.
Electrical safety
▶ Before beginning work, check the working area for concealed electric
cables or gas and water pipes. External metal parts of the power tool may
give you an electric shock if you damage an electric cable accidentally.
Power tool use and care
▶ Immediately switch off the power tool if the accessory tool jams. The
power tool might twist off-line.
▶ Wait until the power tool stops completely before you lay it down.
2.4 Battery use and care
▶ Observe the special regulations and instructions applicable to the trans-
port, storage and use of Li-ion batteries.
▶ Do not expose batteries to high temperatures, direct sunlight or fire.
▶ Do not disassemble, crush or incinerate batteries and do not subject them
to temperatures over 80 °C.
▶ Do not use or charge batteries that have suffered mechanical impact,
have been dropped from a height or show signs of damage. In this case,
always contact your Hilti Service.
▶ If the battery is too hot to touch it may be defective. In this case, place the
product in a non-flammable location, well away from flammable materials,
where it can be kept under observation and allowed to cool down. In this
case, always contact your Hilti Service.
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