Servicing The Product; Cleaning The Pump - Grundfos Unilift KP 150 Instrucciones De Instalación Y Funcionamiento

7. Servicing the product

DANGER
Electric shock
Death or serious personal injury
- Switch off the power supply before
starting any work on the product.
Make sure that the power supply
cannot be accidentally switched
on.
CAUTION
Biological hazard
Minor or moderate personal injury
- Before carrying out maintenance
and service, flush the pump
thoroughly with clean water.
- After dismantling the pump, rinse
the pump parts in clean water.
CAUTION
Sharp element
Minor or moderate personal injury
- Wear protective gloves.
- Never touch the inside of the pump
while the pump is running.
CAUTION
Biological hazard
Minor or moderate personal injury
- If a pump has been used for a
liquid which is injurious to health or
toxic, the pump will be classified as
contaminated.
Service must be carried out by
specially trained persons.
Furthermore, all rules and regulations
covering safety, health and
environment must be observed.
Under normal operating conditions, the pump is
maintenance-free.
If the pump has been used for liquids other than
clean water, it must be flushed through with
clean water immediately after use. See section
7.1 Cleaning the pump.
14

7.1 Cleaning the pump

If the pump does not deliver a sufficient quantity
of water because of sediment, dismantle and
clean the pump.
To dismantle the pump, follow this procedure:
1. Disconnect the power supply.
2. Allow the pump to drain.
3. Carefully loosen the inlet strainer by
inserting a screwdriver in the recess
between the pump housing and the strainer.
Use the screwdriver to push apart the outer
casing and the strainer. Repeat the
procedure, working around the pump, until
the strainer is free and can be removed. See
fig. 10.
Fig. 10 Loosening the strainer
4. Remove the inlet strainer, clean, and refit it.