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8.4.1
Stationary wet well installation
8.4.2
Portable wet well installation
8.4.3
Clean and disinfect
Installation and operating instructions Wilo-Rexa CUT GE
Shut-down/dismantling
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!
‡
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!
‡
Pump is taken out of operation.
1. Disconnect the pump from the mains.
2. Roll up the power supply cable and place it over the motor housing. CAU-
TION! Never pull on the power supply cable! This damages the power supply
cable!
3. Loosen the pressure pipe from the pressure port.
4. Attach the lifting equipment to the attachment point.
5. Lift the pump from the operating space. 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!
6. Clean the pump thoroughly (see point "Cleaning and disinfecting"). DANGER! Dis-
infect the pump when used in fluids hazardous to health!
DANGER
Danger due to fluids hazardous to health!
Danger to life if the pump is used in fluids hazardous to health! Decontaminate the
pump before carrying out any further work! Wear the following protective equip-
ment while performing cleaning tasks:
• Closed safety goggles
• Breathing mask
• Protective gloves
⇒ The equipment listed here is the minimum requirement, observe the spe-
cifications of the work regulations! The operator must make sure that the
personnel have received and read the work regulations!
‡
Pump is dismantled.
‡
Contaminated cleaning water is disposed of in the sewer in accordance with local
regulations.
‡
A disinfectant is provided for contaminated pumps.
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