Grundfos Unilift KP 150, Инструкция по установке и эксплуатации

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6.2.2 Cleaning the inside of the pump
Before and during the mounting of the pump housing,
check that the sealing part is fitted correctly. See fig. Serv-
ice parts.
Moisten the sealing part with water to ease the fitting.
If the pump still delivers too little water, dismantle the pump further.
1. Disconnect the power supply.
2. Remove the inlet strainer. See point 3 above.
3. Turn the pump housing 90° counterclockwise using a
screwdriver. See the arrow on the pump housing.
4. Pull off the pump housing. See the figure below.
1
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How to remove the pump housing
Pos. Description
1 Pump housing
5. Clean and flush the inside of the pump to remove possible
impurities between the motor and pump sleeve.
6. Clean the impeller. See the figure below.
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How to flush the impeller
7. Check that the impeller can rotate freely. If not, remove the
impeller as described below.
8. Unscrew the nut, cross width 13 mm, from the motor shaft. Use
a screwdriver to prevent the impeller from rotating. See the
figure below.
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How to remove the impeller
9. Clean the impeller and the area around the shaft.
10. Check the impeller, the pump housing and the sealing part. If
necessary, replace defective parts.
Further dismantling of the pump must be carried out by a
specially trained person.
Related information
6.3 Service kits
6.2.3 Assembling the pump
Assemble the pump in the reverse order of dismantling.
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English (GB)