Servicing The Product; Maintaining The Product; Service Kits - Grundfos Unilift CC 5 Installation And Operating Instructions Manual

5. Servicing the product

5.1 Maintaining the product

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.
5.1.1 Procedure
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.
DANGER
Electric shock
Death or serious personal injury
- If the power supply cable is damaged, it
must be replaced by the manufacturer,
his service agent or similarly qualified
persons in order to avoid hazard.
Service must be performed by trained
service staff.
Cleaning the inlet strainer
1. Switch off the power supply to the pump.
2. Drain the pump.
3. Loosen the inlet strainer. Insert a screwdriver
between the pump sleeve and the strainer and
turn the screwdriver.
4. Clean and refit the inlet strainer.
Cleaning the impeller
1. Switch off the power supply to the pump.
2. Loosen the inlet strainer. Insert a screwdriver
between the pump sleeve and the strainer and
turn the screw driver.
3. Remove the bottom part.
Fig. 17 Removal of bottom part
4. Remove and clean the diaphragm.
5. Flush the pump with clean water to remove
possible impurities between the motor and the
pump sleeve. Clean the impeller.
6. Check that the impeller can rotate freely.
7. Assemble the pump in reverse order of
dismantling.

5.2 Service kits

It is possible to replace these parts:
Part number
Service kit
Impeller, CC5
Impeller, CC7
Impeller, CC9
Non-return valve
Adapter for outlet
port
Inlet strainer
The parts can be ordered from your pump supplier.
If other pump components are damaged or defective,
contact your pump supplier.
The cable and the float switch must be
replaced by a service workshop authorised
by Grundfos.
Part number
50 Hz 60 Hz
96578967 97512794
96578968 97512822
96578969 97512824
96578978
96578979
96578990
9