4
5.2.2 Cleaning the pump after shut-down _________________________________________ 20
6. Maintenance / servicing _______________________________________ 21
6.1 Safety instructions for maintenance, inspection and installation work____________________ 21
6.2 Maintenance of the pump _____________________________________________________ 22
6.3 Maintenance of the motor _____________________________________________________ 22
6.4 Assembly / Disassembly ______________________________________________________ 23
6.4.1 Parts Overview _________________________________________________________ 23
6.4.2 Instructions for assembly _________________________________________________ 26
6.4.3 Disassembly of the pump _________________________________________________ 27
6.4.4 Assembly of the pump ___________________________________________________ 30
6.5 Troubleshooting_____________________________________________________________ 35
6.6 Disposal___________________________________________________________________ 36
6.7 Grundfos FB pump tool kit_____________________________________________________ 37
6.7.1 Content and use ________________________________________________________ 37
7. Certificate of cleanliness ______________________________________ 38
7.1 Certificate of cleanliness ______________________________________________________ 38
8. Service addresses ___________________________________________ 39
8.1 Grundfos companies _________________________________________________________ 39
