Hilti DD-WMS 100 Mode D'emploi page 19

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▶ When operating an electric appliance outdoors, use only extension cords of a type suitable for outdoor
use. Use of an extension cord suitable for outdoor use reduces the risk of electric shock.
▶ In the event of an interruption in the electric supply, switch the appliance off and unplug it from the power
outlet.
▶ Use the power outlet on the appliance only for the purposes described in the operating instructions.
▶ Never operate the appliance when it is dirty or wet. Dust (especially dust from conductive materials) or
dampness adhering to the surface of the appliance may, under unfavorable conditions, lead to electric
shock. Dirty or dusty appliances should thus be checked by Hilti Service at regular intervals, especially
if used frequently for working on conductive materials.
2.3 Personal safety
▶ Stay alert, watch what you are doing and use common sense when working with the product. Do not
use the appliance while you are tired or under the influence of drugs, alcohol or medication. A moment
of inattention while operating the appliance may result in serious personal injury.
▶ The user and any other persons in the vicinity must wear suitable eye protection, a hard hat, ear
protection, protective gloves, safety footwear and breathing protection while the appliance is in use or
while maintenance work on it is being carried out.
▶ Engage the wheel brakes so that the appliance stands securely. If the wheel brakes are disengaged the
appliance may run away out of control.
▶ If devices are provided for the connection of dust extraction and collection facilities, ensure these are
connected and properly used. Use of a vacuum cleaner can reduce dust-related hazards.
2.4 Safety instructions for vacuum cleaners
• Before beginning work with the appliance, the operating personnel must be informed about how to
operate it correctly and about any hazards associated with the materials it will be picking up and how
these materials can be disposed of safely.
• Use of the appliance for cleaning down persons or animals is not permissible.
• Do not use the appliance for continuous, stationary operation in automatic or semi-automatic systems.
• Do not stand on top of the appliance (do not use it as a substitute for a ladder).
• Do not use the appliance under water.
2.5 The material picked up
▶ Do not use the appliance to pick up flammable or explosive dusts (magnesium or aluminum dust etc.) or
dusts that present a health hazard. Do not use the appliance to pick up materials with a temperature of
over 60 °C (e.g. glowing cigarettes, hot ash).
▶ Do not use the appliance to pick up flammable, explosive or aggressive liquids (coolants and lubricants,
gasoline, solvents, acids (pH < 5), alkalies (pH > 12.5), etc.).
▶ Switch the appliance off immediately if foam or liquids escape from it.
▶ Wear protective gloves when using the appliance to pick up hot materials up to a temperature of 60 °C.
▶ When working with mineral drilling slurry, wear protective clothing and avoid skin contact with the slurry
(pH > 9: caustic).
▶ Avoid contact with alkaline or acidic liquids. If contact accidentally occurs, rinse with water. In the event
of the liquid coming into contact with the eyes, rinse the eyes with plenty of water and consult a doctor.
▶ A Dust Class M appliance is suitable for picking up dry, non-flammable dusts, liquids, wood chips and
hazardous dusts with an exposure limit value of ≧ 0.1 mg/m³. The appliance must be equipped with a
suitable filter corresponding to the hazard classification of the dusts to be picked up.
2.6 Use and care of the appliance
▶ Never leave the appliance unattended.
▶ Do not deactivate the filter cleaning system when picking up hazardous dusts, especially when the
appliance is used in conjunction with electric tools that generate dust.
▶ Protect the appliance from frost.
▶ Clean the water level limiting device regularly with a brush, in accordance with the instructions, and
check it for signs of damage.
▶ When fitting the top section of the appliance, take care to avoid pinching your fingers or damaging the
supply cord. This presents a risk of injury or damage.
▶ Check the appliance and its accessories for any damage. Guards, safety devices and any slightly
damaged parts must be checked carefully to ensure that they function faultlessly and as intended. Check
that moving parts function faultlessly, without sticking, and that no parts are damaged. In order to ensure
Printed: 12.06.2017 | Doc-Nr: PUB / 5306545 / 000 / 03
English 13