Hilti WSJ 750 Mode D'emploi page 12

2.3 Additional safety instructions
Personal safety
▶ Modification of the power tool is not permitted.
▶ Hold the power tool by the insulated gripping surfaces only, when carrying out work in which the
accessory tool can come into contact with concealed wiring or with the power tool's own supply
cord. Metal parts of the power tool can also become live, resulting in electric shock, if contact is made
with a live cable.
▶ Wear ear protectors. Exposure to noise can cause hearing loss.
▶ Use light respiratory protection if the work causes dust.
▶ Improve the blood circulation in your fingers by relaxing your hands and exercising your fingers
during breaks between working.
▶ The power tool is not intended for use by inexperienced persons who have received no special
training.
▶ Keep the power tool out of reach of children.
▶ When working, always guide the supply cord and the extension cable to the rear and away from
the power tool. This reduces the risk of tripping over cables while work is in progress.
▶ Wear protective gloves. The orbital-action jig saw can get hot during operation. There is a risk of injury
(cutting or burning) if the accessory tool is touched while changing it.
▶ Dust from materials such as paint containing lead, some types of wood, minerals and metal can be
harmful to health. Contact with or inhalation of the dust may cause allergic reactions and/or respiratory
diseases among operators or bystanders. Certain kinds of dust such as oak and beech wood dust
are classified as carcinogenic, especially in conjunction with additives for wood conditioning (chromate,
wood preservative). Use a dust removal system that is as effective as possible. Use a mobile
vacuum extractor of the type recommended by Hilti for wood dust and/or mineral dust and which
is designed for use with this power tool. Observe national regulations applicable to the materials
you intend to work with.
Electrical safety
▶ 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 parts of the power tool
may become live, for example, when an electric cable is damaged accidentally. This presents a serious
risk of electric shock.
▶ Check the machine's supply cord at regular intervals and have it replaced by a qualified specialist if
found to be damaged. If the machine's supply cord is damaged it must be replaced with a specially
prepared and approved supply cord available from Hilti Customer Service. Check extension cords
at regular intervals and replace them if found to be damaged. Do not touch the supply cord or
extension cord if it is damaged while working. Disconnect the supply cord plug from the power
outlet. Damaged supply cords or extension cords present a risk of electric shock.
▶ Have dirtied or dusty power tools that are used frequently for working on conductive materials
checked at regular intervals by a Hilti Service Center. Dust, especially dust from conductive materials,
or dampness on the surface of the power tool can, under unfavorable conditions, lead to electric shock.
▶ Switch the power tool off and unplug the supply cord in the event of a power failure or interruption
in the electric supply. This will prevent accidental restarting when the electric power returns.
Special safety instructions for jig saws.
▶ Always guide the product away from your body when cutting.
▶ Never position your hands ahead of or on the saw blade.
▶ Never cut into unknown materials and keep the line of cut above and below the workpiece free of
obstacles. The product can kick back if the saw blade comes into contact with an obstructing object.
▶ Switch the product off for transport.
▶ Never operate the product without the contact guard correctly installed. Do not touch rotating
parts. Switch the machine on only after it is in position at the workpiece. Touching rotating parts,
especially rotating accessory tools, may lead to injury.
▶ Before beginning the work, check the hazard classification of the dust that will be produced. Use
an industrial vacuum cleaner with an officially approved protection classification in compliance
with locally applicable dust protection regulations.
▶ If the work involves breaking right through, take the appropriate safety measures on the opposite
side. There is a risk of injury when the drill bit breaks through the object in which the hole is being drilled.
▶ Never reach or grip below the workpiece while cutting.
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