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METRO 06-1 to 30-1Option 11Option: Pneumatically actuated discharge flap11 Option11.1 Option: Pneumatically actuated discharge flapThe pneumatically actuated discharge flap is for positive opening and closing of the discharge flapand requires a demand probe under the discharge flap.11.1.1 Before starting workBefore starting work read the safety notices "Safety" on Page 7.11.1.2 Intervals for inspections, maintenance and cleaning workAnnuallyComponent Activity Target value/Meaning QualificationCheck discharge flap i for weari monthly with abrasive plastic granulatesSee "Maintenance work" onPage 48OperatorEdition: February 2006 47