en
Decommissioning/dismantling
30
WILO SE 2017-06
out under the applicable operating conditions. A dry run is not permitted! Non-com-
pliance can result in irreparable damage!
8.4
Removal
DANGER
Danger due to fluids hazardous to health!
If the pump is used in fluids hazardous to health, decontaminate the pump after dis-
mantling and before carrying out any other work! There is danger to life! Observe the
specifications in the work regulations! The operator must make sure that the per-
sonnel has received and read the work regulations!
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
Potentially fatal danger due to dangerous autonomous work!
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 pump thoroughly (see point “Cleaning and disinfecting”).
DANGER! Disin-
fect 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.
