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

3. Clean and flush the pump with water to remove
possible impurities between the motor and the
outer casing. Clean the impeller, see fig. 13.
Fig. 13
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. 14.
• Clean the impeller and around the shaft.
Fig. 14
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. 15. Moisten the sealing part with water to facili-
tate the fitting.

4.2 Replacement of parts

The impeller, the pump housing and the sealing part
can be replaced.
The part numbers and the components included in
the service kits will appear from the tables below and
fig. 15.
10
Pump type
Impeller kit
KP 150, 50 Hz
KP 250, 50 Hz
KP 150, 60 Hz
KP 250, 60 Hz
KP 350, 50 Hz
KP 350, 60 Hz
Pump housing
KP 150 and KP 250
KP 350
Service kit Pos. Description
A
Impeller kit B
C
Pump housing D
If pump components other than those mentioned
above are damaged or defective, please contact
your pump supplier.
Note: A possible replacement of the cable or the
float switch/vertical level switch must be carried out
by an authorised Grundfos service workshop.
Fig. 15
Part number
015778
015779
015783
015784
015785
015786
015770
015771
Qty.
Impeller 1
Nut 1
Sealing part 1
Pump housing 1