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10
Decommissioning
The power supply must be completely disconnected and secured against
being switched on again.
To shut down the machine, follow the commissioning steps in reverse order.
The weight of the pump may be increased by the water present in the pump.
When de-installing the machine, note the temperature of the housing com-
ponents. These may become far hotter than 40 °C. First allow the machine to
cool to ambient temperature!
Protect the ends of the electricity supply line against the penetration of
moisture.
Switch off the plant, disconnect the machine from the power supply, dismantle it and place into
storage. When storing the machine, note the following:
– Clean the machine.
– Store in a clean, dry place, protect the machine against frost.
– Place the machine vertically on a stable surface and secure it against tipping.
– In the case of pumps, the pressure and suction connection must be sealed with suitable
materials (e.g. film).
– Support the electrical connecting line on the cable inlet to prevent permanent deformation.
– Protect the machine from direct sunlight to prevent against the risk of elastomer components
and the housing coating becoming brittle.
– For storage in workshops, please note: Radiation and the gases that are emitted in electrical
welding destroy the elastomers of the seals.
– If storing for a longer period, the impeller or the propeller must be turned regularly by hand
(every six months). This prevent impression marks in the bearings and prevents the impeller
from sticking.
10.1 Re-commissioning after prolonged storage
Before re-commissioning, the machine must be cleaned of dust and oil deposits. Then per-
form all necessary maintenance measures and tasks. Check the floating ring seal to ensure
that it is in good working order and functioning correctly. After completion of this work, the
machine can be installed (see "Wet installation" chapter) and connected to the power supply
by an expert. When re-commissioning, follow the "Commissioning" chapter. The machine
may only be switched on again when it is in good working order and ready for operation.
11
Disposal
Components, specifically electronic components, must be disposed of in accordance with
environmental requirements (separated into types) and comply with the applicable require-
ments and standards.
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