5020901101_EN_PC5xx-6xx_VARIO_select_Serie_V1.0_280618Commissioning (operation)IMPORTANT!5.4 StorageStore pumping unit1. Clean the vacuum pumping unit when it is polluted.2. Recommendation: Perform a preventive maintainance beforestoring the pumping unit. Especially if it ran more than 15000operating hours3. Close the suction and exhaust connections, e. g., with protec-tion caps.4. Package the pumping unit such that it is protected from dust;possiblyenclose desiccants.5. Store the vacuum pumping unit in a cool, dry location.If damaged parts are stored for operational reasons, these shouldbe clearly identified as not ready for use.
