15 20901101_EN_PC5xx-6xx_VARIO_select_Serie_V1.0_280618Safety information pumping of hot, unstable, or explosive media, pumping substances which may react explosively under impactand/or elevated temperature without an air supply.The penetration of foreign objects, hot gases and flamesfrom the application, must be excluded.2.2 Obligations2.2.1 Operator obligationsThe owner defines the responsibilities and ensures that onlytrained personnel or specialists work at the vacuum system. Thisapplies in particular to connection, assembly and maintenancework and troubleshooting.Users in the areas of competence in the Zuständigkeitsmatrixmust possess the relevant qualifications for the activities listed. Inparticular work on electrical equipment must be performed only byqualified electricians.2.2.2 Personnel obligationsIn the case of activities which require protective clothing, personalprotective equipment as specified by the operator is to be worn.If the vacuum system is not in proper order, it must be securedagainst being accidentally switched back on.> Always be conscious of safety and work in a safe manner.> Observe instructions issued by the operator, and national reg-ulations on accident prevention and industrial safety.Personal behaviour may help to avoid work accidents.IMPORTANT!Foreseeable misuseOperator obligationsPersonnelobligations