en Shut-down/dismantling
82 WILO SE 2019-10
‡ Gate valves on the inlet and pressure sides are closed.
1. Disconnect the pump from the mains.
2. 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.
3. Undo the pipe system at the suction and discharge ports. DANGER!Fluids are haz-
ardous to health! Residue from the pumped fluid may still be present in the pip-
ing and hydraulics! Place collector tank, immediately wipe up drips and dispose
of fluids properly.
4. Attach the lifting equipment to the attachment point.
5. Undo the pump from the foundation.
6. Lift the pump slowly out of the pipework and place on a suitable set-down loca-
tion. CAUTION!There is a risk of crushing and damaging the connection cables
when setting down the pump! Pay attention to the connection cable when set-
ting down the pump!
7. 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!
8.4.4 Clean and disinfect
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 has been removed.
‡ Contaminated cleaning water is disposed of in the sewer in accordance with local
regulations.
‡ Disinfectants are provided for contaminated pumps.
1. Ensure that the plug or bare cable ends are packed and stored in a watertight man-
ner!
2. Attach the lifting equipment to the attachment point on the pump.
3. Lift the pump approximately 30cm (10in) above the ground.
4. Spray the pump with clean water from top to bottom. NOTICE!Use a suitable dis-
infectant on contaminated pumps! Strictly observe the manufacturer’s specific-
ations concerning use!
5. Direct the water jet towards the inside via the pressure port to clean the impeller
and the pump interior.
6. Flush any dirt residues on the floor into the drain.
7. Allow the pump to dry out.
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