Replacement Of Parts - Grundfos Unilift KP 150 Instrucciones De Instalación Y Funcionamiento

Fig. 7
4. Clean the suction strainer and refit it.
If the pump still does not deliver a sufficient quantity
of water, dismantle the pump as follows:
1. Disconnect the electricity supply.
2. Turn the pump housing 90° counter-clockwise
using a screwdriver, see the arrow on the pump
housing. Pull off the housing, see fig. 8.
Pump housing
Fig. 8
3. Clean and flush the pump with water to remove
possible impurities between the motor and the
outer casing. Clean the impeller, see fig. 9.
Fig. 9
4. Check that the impeller can rotate freely. If not,
remove the impeller:
• Slacken and remove the nut on the motor shaft
(13 mm). Prevent the impeller from rotating by
means of a screwdriver, see fig. 10.
• Clean the impeller and around the shaft.
Fig. 10
5. Check the impeller, the pump housing and the
sealing part. Replace possible defective parts.
6. Assemble the pump in reverse order of disman-
tling.
Note: Check before and when fitting the pump hous-
ing that the sealing part is positioned correctly, see
fig. 11. Moisten the sealing part with water to facili-
tate the fitting.

5.2 Replacement of parts

The impeller assembly and electric cord can be
replaced.
The part numbers and the components included in
the service kits will appear from the tables below and
fig. 11.
Pump type
Impeller kit
KP 150, 60 Hz
KP 250, 60 Hz
KP 350, 60 Hz
Replacement cords
10' 60HZ
25' 60HZ
Service kit
Impeller kit
If pump components other than those mentioned
above are damaged or defective, please contact
your pump supplier.
Part number
015783
015784
015786
016728
016729
Description Qty.
Impeller 1
Nut 1
Gasket 1
7