Maintenance
39
7 Maintenance
Wearing parts such as, e.g., the diaphragms, valves and O-rings must be checked at regular intervals and
replaced regularly in the course of preventive maintenance.
The recommended intervals were determined under standardised conditions (fluid water, fluid temperature
20°C, ambient temperature 20°C, flow rate 5000 lph, 4 bar counter-pressure). Different conditions (e.g.
higher fluid temperatures, aggressive fluids) and all after-treatments of the parts (e.g. CIP, SIP) influence the
service life.
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Check the intervals close to the process and adapt the recommended intervals to the application and the
pumped fluid.
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Only use genuine spare parts.
Recommended interval
Component
Activity
After opening the pump
chamber
Elastomers
•
Diaphragm
•
Valves
•
O-rings
Replace
(available as a replacement kit)
After diaphragm breakage
Elastomers
•
Diaphragm
•
Valves
•
O-rings
Replace
(available as a replacement kit)
Bearing unit
•
Eccentric shaft
•
Bearing
•
Connector plate
Replace
(available as a pre-assembled replacement kit)
1000 operating hours or
at least once a year
Elastomers
•
Diaphragm
•
Valves
•
O-rings
Replace
(available as a replacement kit)
Bearing unit
•
Eccentric shaft
•
Bearing
•
Connector plate
Check and replace if necessary
(available as a pre-assembled replacement kit)
See the maintenance instructions in the respective operating instructions for the following components
•
Motor
•
Coupling
•
Gear (if available)
