C72 2 05/2008127 / 137GBRUSOperating instructionsRead the operating instructions and comply with the important safety recommendations identified by the words:ATTENTION DANGER !Operator safety-ATTENTION DANGER !Before starting the machine, it is absolutely essentialto read these operating instructions and to keep themready at hand for consultation.The vacuum cleaner can only be used by people whoare familiar with the way it works and who have beenexplicitly authorized and trained for the purpose.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.General information about use of the vacuum-cleanerUse of the vacuum cleaner is governed by the laws in forcein the country where it is used.Besides the operating instructions and the laws in force inthe country where the vacuum cleaner is used, the technicalregulations for ensuring safe and correct work must also beobserved (Legislation concerning environmental and laboursafety, i.e. European Union Directive 89/391/EC and suc-cessive Directives).Do not carry out any work that could jeopardize the safetyof people, property and the environment.Comply with the safety indications and prescriptions in thisinstruction manual.Proper uses-This appliance is suitable for collective use, e.g. in hotels,schools, hospitals, factories, shops, offices and residenc-es.The vacuum cleaners described in this instruction manual areappliances designed for industrial use. They are producedin different versions and for different applications.The machine has been designed to be used by one at atime operator.Versions and variations-VersionsA)ATTENTION DANGER !Classes of dustiness.This vacuum cleaner is produced in two versions:normal version: not suitable for vacuuming hazard-1-ous, combustible/explosive dust;version for dust harmful for the health: classes L -2-M - H. In this case, the vacuum cleaner is suitablefor use with hazardous, non-combustible/explosivedust in accordance with standard EN 60335-2-69,par. AA. 2. 202 b), c).Check on the data plate and on the label applied tothe vacuum cleaner to ascertain the tolerated dusthazardousness class:L (low risk), M (medium risk), H (high risk).VariantsB)Liquids (mod. 137 only)1-In the Class L, M and H versions, this vacuum cleaner canalso be produced in the variant for cleaning up liquids,with level monitoring function.Classifi cation in compliance with standard-EN 60335-2-69 - Annex AAAppliances for dust that is hazardous for the health are clas-sified according to the following dust categories:L (low risk) suitable for separating dust with an exposure1-limit value of over 1 mg/m 3 , depending on the volumeoccupied;M (medium risk) for separating dust with an exposure2-limit value of over 0.1 mg/m 3 , depending on the volumeoccupied;H (high risk) for separating all dusts with an exposure3-limit value of less than 0.1 mg/m 3 , depending on thevolume occupied, including carcinogenic and pathogenicdusts.