Shut-down/dismantling en
Installation and operating instructions Wilo Motor T 17.3, 20.2:, EMU FA, Rexa SUPRA, Rexa SOLID 81
DANGER
Risk of death due to electrocution!
Improper conduct when carrying out electrical work can lead to death due to electric
shock! Electrical work must be carried out by a qualified electrician in accordance
with the locally applicable regulations.
DANGER
Risk of fatal injury due to dangerous lone working practices!
Work in chambers and narrow rooms as well as work involving risk of falling are dan-
gerous work. Such work may not be carried out autonomously! A second person
must be present for safety reasons.
WARNING
Risk of burns from hot surfaces!
Motor housing can become hot during operation. It may cause burns. Allow the
pump to cool down at ambient temperature after switching it off!
NOTICE
Use only properly functioning lifting equipment!
Use only properly functioning lifting equipment to lift and lower the pump. Ensure
that the pump does not become jammed during lifting and lowering. Do not exceed
the maximum bearing capacity of the lifting equipment! Check that lifting equip-
ment is functioning properly before use!
8.4.1 Stationary wet well installation
‡ Pump is decommissioned.
‡ Gate valves on the inlet and pressure sides are closed.
1. Disconnect the pump from the mains.
2. Attach the lifting equipment to the attachment point. CAUTION!Do not pull on
the connection cables! This damages the connection cables!
3. Slowly raise the pump and lift it above the guide pipes from the operating space.
CAUTION!There is a risk of damaging the connection cable when lifting the
pump! Hold the connection cable slightly taut when lifting!
4. Coil up the connection cable and attach to the motor. CAUTION!Do not kink the
connection cable and maintain the bend radius. Do not damage the connection
cables during attachment! Check for crushing and wire breaks.
5. Thoroughly clean the pump (see section entitled "Cleaning and disinfecting").
DANGER!Disinfect the pump if the pump has been used in fluids that are haz-
ardous to health!
8.4.2 Portable wet well installation
‡ Pump has been taken out of service.
1. Disconnect the pump from the mains.
2. Roll up the connection cable and lay it across the motor housing. CAUTION!Do not
kink the connection cable and maintain a constant bend radius. Never pull the
device by the connection cable – doing so will damage the connection cable!
3. Loosen the pressure pipe from the pressure port.
4. Attach the lifting equipment to the attachment point.
5. Lift the pump out of the operating space. CAUTION!There is a risk of squeezing
and damaging the connection cable when setting the pump down! Pay attention
to the connection cable when setting the pump down!
6. Clean the pump thoroughly (see “Cleaning and disinfecting”). DANGER!If the
pump has been used in fluids hazardous to health, disinfect the pump!
8.4.3 Stationary dry well installation
‡ Pump has been decommissioned.
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