Bredel 20 - Page 6

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5 INSTALLATION
5.1 Unpacking ............................................................................................ 22
5.2 Inspection ............................................................................................. 22
5.3 Installation conditions ........................................................................... 22
5.3.1 Ambient conditions .................................................................... 22
5.3.2 Set-up ........................................................................................ 22
5.3.3 Pipework ................................................................................... 23
5.3.4 Frequency controller ................................................................. 24
5.4 Lifting and moving the pump ................................................................ 25
5.5 Placing the pump .................................................................................. 25
6 COMMISSIONING
6.1 Preparations ......................................................................................... 26
6.2 Commissioning ..................................................................................... 26
7 MAINTENANCE
7.1 General ................................................................................................. 28
7.2 Maintenance and periodic inspections ................................................. 28
7.3 Additional maintenance in potentially explosive environments ............ 30
7.4 Cleaning the pump hose ...................................................................... 30
7.5 Changing lubricant ............................................................................... 31
7.6 Replacing pump hose ........................................................................... 31
7.6.1 Removing pump hose ............................................................... 31
7.6.2 Cleaning the pump head ........................................................... 33
7.6.3 Fitting the pump hose ................................................................ 33
7.7 Exchanging replacement parts ............................................................. 35
7.7.1 Replacing rotor, bearings and seal ring .................................... 35
7.8 Fitting options ....................................................................................... 39
7.8.1 Fitting a high-level float switch .................................................. 39
7.8.2 Revolution counter .................................................................... 40
8 STORAGE
8.1 Hose pump ........................................................................................... 41
8.2 Pump hose ........................................................................................... 41
9 TROUBLESHOOTING
10 HAZARDOUS ENVIRONMENTS (ATEX)
10.1 ATEX compliance ................................................................................. 47
10.2 Identification ......................................................................................... 47