Grundfos Unilift KP 150 Instrucciones De Instalación Y Funcionamiento página 15

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If the pump still does not deliver a sufficient
quantity of water, dismantle the pump as follows:
1. Disconnect the power supply.
2. Turn the pump housing 90 °
counterclockwise using a screwdriver. See
the arrow on the pump housing. Pull off the
housing. See fig. 11.
Pump housing
Fig. 11
Removing the inlet strainer from the
pump housing
3. Clean and flush the pump with water to
remove possible impurities between the
motor and the outer pump housing. Clean
the impeller. See fig. 12.
Fig. 12
Cleaning the impeller
4. Check that the impeller can rotate freely. If
not, remove the impeller:
– Loosen and remove the nut on the motor
shaft (13 mm). Use a screwdriver to
prevent the impeller from rotating. See fig.
13.
– Clean the impeller and the area around the
shaft.
Fig. 13
Removing the impeller
5. Check the impeller, the pump housing and
the sealing part. Replace possible defective
parts.
6. Assemble the pump in reverse order of
dismantling.
Check before and when fitting the
pump housing that the sealing part is
positioned correctly, see fig. 14.
Moisten the sealing part with water to
facilitate the fitting.
15

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Este manual también es adecuado para:

Unilift kp 250Unilift kp 350

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