5.3.3 Secure the pump assembly........................................................... 31
5.4 Mounting the pump unit without foundation...................................... 32
5.5 Aligning the pump assembly............................................................. 32
5.5.1 Determining alignment tolerances................................................. 32
5.5.2 Pump alignment tolerances........................................................... 33
5.5.3 Taking into account peak height changes..................................... 35
5.5.4 Checking the coupling alignment................................................... 36
5.5.5 Aligning the motor.......................................................................... 37
5.5.6 Fitting the coupling guard.............................................................. 38
5.6 Planning pipes.................................................................................. 38
5.6.1 Configuring supports and flange connections............................... 38
5.6.2 Determining nominal widths.......................................................... 38
5.6.3 Determining pipeline lengths......................................................... 39
5.6.4 Optimising cross sectional and direction changes......................... 39
5.6.5 Avoiding overpressure................................................................... 39
5.6.6 Including safety and control equipment......................................... 40
5.6.7 Using hose lines............................................................................ 42
5.7 Connecting pipelines........................................................................ 42
5.7.1 Avoiding contamination of the pipes.............................................. 43
5.7.2 Installing auxiliary pipes................................................................. 43
5.7.3 Installing the inlet line.................................................................... 43
5.7.4 Installing the outlet line.................................................................. 43
5.7.5 Checking that the pipe connection is tension free......................... 43
5.8 Electrical connection......................................................................... 44
5.8.1 Earth the pump.............................................................................. 44
5.8.2 Connect the motor......................................................................... 44
5.8.3 Checking the direction of rotation.................................................. 45
5.8.4 Connecting the instrumentation..................................................... 45
6 Operation................................................................................................. 46
6.1 Performing initial commissioning...................................................... 46
6.1.1 Determining the pump type........................................................... 46
6.1.2 Commissioning after shutdown..................................................... 47
6.1.3 Removing preservative.................................................................. 47
6.1.4 Lubricate gears.............................................................................. 47
6.1.5 Preparing auxiliary operating systems (if present)........................ 47
6.1.6 Inertisation (in potentially explosive atmospheres)........................ 48
6.1.7 Filling and bleeding........................................................................ 49
6.1.8 Switching on.................................................................................. 49
6.1.9 Switching off.................................................................................. 51
6.2 Operation.......................................................................................... 52
6.2.1 Preparing for operation.................................................................. 52
6.2.2 Switching on.................................................................................. 52
6.2.3 Switching off.................................................................................. 53
6.3 Cleaning/sterilizing the pump........................................................... 54
6.3.1 CIP cleaning/sterilising at CIP temperature below 80 °C.............. 54
6.3.2 CIP cleaning/sterilising at CIP temperature above 80 °C and
pump with sealing system or quench system................................ 54
6.3.3 CIP cleaning/sterilising at CIP temperature above 80 °C and
pump without sealing system, without quench system.................. 55
6.3.4 Mechanically cleaning/sterilising................................................... 55
6.4 Putting out of operation.................................................................... 56
6.4.1 Measures in accordance with the conveyed medium.................... 57
Table of contents
4 Type SLH-4U
03/2020 JP Rev. 1
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