en
Decommissioning/dismantling
32
WILO SE 2017-12
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
Only use lifting equipment in a technically sound condition!
Only use lifting equipment in a technically sound condition for lifting, lowering and
transporting the pump. Ensure that the pump does not become jammed during lift-
ing and lowering. Do
not
exceed the max. permissible bearing capacity of the lifting
equipment!
8.4.1
Stationary wet well installation
‡
Pump is decommissioned.
‡
Gate valves on the inlet and pressure side closed.
1. Disconnect the pump from the mains.
2. Attach the lifting equipment to the attachment point.
CAUTION! Never pull on
the power supply cable! This damages the power supply cable!
3. Slowly raise the pump and lift above the guide pipes from the operating space.
CAUTION! The power supply cable can be damaged while lifting! Hold the power
supply cable slightly taut when lifting!
4. Clean the pump thoroughly (see point “Cleaning and disinfecting”).
DANGER! Dis-
infect the pump when used in fluids hazardous to health!
8.4.2
Stationary dry well installation
‡
Pump is taken out of operation.
‡
Gate valves on the inlet and pressure side closed.
1. Disconnect the pump from the mains.
2. Roll up the power supply cable and attach to the motor.
CAUTION! Do not damage
the power supply cable when attaching! Look out for crushing and cable break-
age.
3. Loosen the pipe system form the suction and discharge port.
DANGER! Fluids haz-
ardous to health! Residues from the pumped fluid may still be present in the
piping and hydraulics! Place collector tank, immediately wipe up drips and dis-
pose of fluids properly.
4. Attach the lifting equipment to the attachment point.
5. Loosen the pump from the foundation.
6. Lift the pump slowly out of the pipework and place on a suitable set-down loca-
tion.
CAUTION! The power supply cable may be squeezed and damaged when
setting the pump down! Pay attention to the power supply cable when setting
the pump down!
7. Clean pump thoroughly (see point “Cleaning and disinfecting”).
DANGER! Disin-
fect the pump when used in fluids hazardous to health!
