Inspection visit at fixed intervals or as needed
Make sure unit is air tight
Visual inspection
Maintenance check according to maintenance checklist
Pipe system
Valve
Vessel
Pump
Motor
According to maintenance checklist, exchange of
Gaskets and o-rings
Valve membranes
Flexible hose connections
Blower filter
Start-up test
Leakage test with pressure (only for in situ sterile fermenters)
Sterilization (only for in situ sterile fermenters)
Unobstructed access to the system