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9. Servicing the product
9.1 Maintenance schedule
9.1.1 Maintenance intervals
According to EN 12056-4, the lifting station must be checked at the following intervals to ensure
safe and reliable operation:
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The product may be installed in environments requiring shorter maintenance intervals.
Related information
• 8.1.6 Setting the maintenance interval
9.2 Mechanical maintenance
9.2.1 Maintaining the product
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DANGER
Electric shock
Death or serious personal injury
● Switch off the power supply before you start any work on the product. Make
sure that the power supply cannot be accidentally switched on.
WARNING
Biological hazard
Death or serious personal injury
● Flush the lifting station thoroughly with clean water and drain the outlet pipes.
Close the isolating valves. Rinse the dismantled parts in water. Wear person-
al protective equipment.
CAUTION
Hot surface
Minor or moderate personal injury
● The surface of the product may be so hot that it will cause burns or personal
injury.
CAUTION
Back injury
Minor or moderate personal injury
● Use lifting equipment.
CAUTION
Crushing of feet
Minor or moderate personal injury
● Wear safety shoes when moving the product.
every 12 months in single-family houses
every 6 months in multifamily houses
every 3 months in commercial and industrial applications.
Check that all pipe connections are tight.
Fix any leakages.
Remove any deposits or sludge buildup in the tank.
Check the tank for cracks and deformations.
Remove any blockages on the inlet side of the lifting station.
Check the pump according to the installation and operating instructions for the pump.
Multilift MD1, MDV | Servicing the product| 34
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