WSS100 - WST100 DV09/2009 2Instructions for useRead the operating instructions and comply with the important safety recommendations identified by the word WARNING!Operator’s safetyWARNING!Before starting the vacuum cleaner, it isabsolutely essential to read these operatinginstructions and to keep them ready at handfor consultation.Before using the vacuum cleaner, operators must beinformed, instructed and trained on how to work it andfor which substances its usage is permitted includingthe safe method for removing and disposing of thevacuumed material.Proper usesAny other use is considered improper.This vacuum cleaner has been designed to be used by oneoperator at a time. Do not carry out any operation that couldjeopardize the safety of people, property and the environment.Comply with the safety indications and prescriptions in thisinstruction manual.General recoinendationsWARNING!Risk of fire outbreaks and explosions.• The vacuum cleaner can only be used when activesources of ignition are not going to be vacuumed.• It is forbidden to vacuum the following materials:• burning materials (embers, hot ashes, lightedcigarettes, etc.);• flainable liquids, aggressive fuels (e.g.gasoline, solvents, acids, alkaline solutions,etc.).• It is forbidden to vacuum the following materials:explosive dust or dust liable to spontaneousignition (such as magnesium or aluminium dusts,etc.).• The vacuum cleaner is not suitable for vacuumingexplosive or similar substances, as establishedby the laws governing explosive substances,particularly: liquid fuels and mixtures of flainabledust and liquids.WARNING!Turn off the vacuum cleaner, unplug it and ask forassistance from qualified personnel in the event of thefollowing:• filter breakage;• fire outbreak;• short-circuit;• motor failure;• electric shock;WARNING!The vacuum cleaner must not be used or storedoutdoors, or in damp places.WARNING!If foam or liquid spills from the vacuum cleaner, switchit off iinediately and check for the cause.