Veolia Hydrotech Discfilter HPF2200 Series, Operation And Maintenance Manual, Page: 3 / 45

3
Operation and maintenance, Discfilter HPF2200-series PFLC
4.4 Equipotential bonding 18
4.5 Checking drum rotation 18
4.6 Pipe connections 18
5. START UP AND OPERATION 19
5.1 Check procedures during start-up 19
5.2 Automatic settings 20
5.2.1 Level differences 21
5.2.2 Operating mode AUTO – Automatic level control 21
5.2.3 Operating mode REMOTE – Remote control 21
5.2.4 Service mode HAND 22
5.3 Backwash system 22
6. FUNCTION 23
6.1 Intended use 23
6.2 Non-intended use 23
6.3 Filtration and backwash process 23
7. MAINTENANCE/SERVICE 24
7.1 Backwash system 24
7.1.1 Servicing conventional nozzles 24
7.2 Cleaning the Hydrotech strainer 26
7.3 Bearings 27
7.3.1 Lubrication of swivel 27
7.3.2 Lubricating drum bearings 27
7.3.3 Checking drum bearing wear 28
7.4 Filter panels 29
7.4.1 Additional cleaning 29