KSB Amacan P 500-270 Installation & Operating Manual page 4

6 Commissioning/Start-up/Shutdown................................................................................................... 42
6.1 Commissioning/Start-up ................................................................................................................................. 42
6.1.1 Prerequisites for commissioning/start-up ........................................................................................ 42
6.1.2 Start-up .............................................................................................................................................. 43
6.2 Operating limits.............................................................................................................................................. 43
6.2.1 Operation on the power supply mains ............................................................................................ 44
6.2.2 Frequency of starts............................................................................................................................ 44
6.2.3 Operation on a frequency inverter .................................................................................................. 44
6.2.4 Fluid handled .................................................................................................................................... 44
6.3 Shutdown/storage/preservation .................................................................................................................... 46
6.3.1 Shutdown .......................................................................................................................................... 46
6.3.2 Measures to be taken for shutdown................................................................................................ 46
6.4 Returning to service ....................................................................................................................................... 47
7 Servicing/Maintenance ........................................................................................................................ 48
7.1 Safety regulations........................................................................................................................................... 48
7.2 Maintenance/inspection................................................................................................................................. 50
7.2.1 Inspection work................................................................................................................................. 51
7.3 Removing the pump set ................................................................................................................................. 52
7.3.1 Removing the pump set ................................................................................................................... 52
7.3.2 Drainage/cleaning ............................................................................................................................. 54
7.3.3 Checking the cable bundle ............................................................................................................... 54
7.3.4 Checking the earth conductor.......................................................................................................... 54
7.3.5 Checking the mechanical seal for leakage ...................................................................................... 55
7.3.6 Visually inspecting for corrosion. ..................................................................................................... 56
7.4 Lubrication and lubricant change ................................................................................................................. 56
7.4.1 Lubricating the mechanical seal....................................................................................................... 56
7.4.2 Lubricating the rolling element bearings........................................................................................ 58
7.5 Dismantling the pump set.............................................................................................................................. 59
7.5.1 General information/Safety regulations.......................................................................................... 59
7.5.2 Preparing the pump set .................................................................................................................... 60
7.5.3 Removing the bellmouth.................................................................................................................. 61
7.5.4 Removing the impeller ..................................................................................................................... 61
7.5.5 Removing the mechanical seal ......................................................................................................... 62
7.5.6 Dismantling the motor section......................................................................................................... 63
7.6 Reassembling the pump set ........................................................................................................................... 65
7.6.1 General information/Safety regulations.......................................................................................... 65
7.6.2 Installing the replacement cable gland ........................................................................................... 66
7.6.3 Fitting the motor housing cover ...................................................................................................... 67
7.6.4 Installing the mechanical seal .......................................................................................................... 68
7.6.5 Fitting the impeller ........................................................................................................................... 71
7.6.6 Fitting the bellmouth ....................................................................................................................... 72
7.6.7 Leak testing ....................................................................................................................................... 73
7.7 Checking the electrical connection and motor............................................................................................. 75
7.8 Tightening torques......................................................................................................................................... 75
7.9 Spare parts stock............................................................................................................................................. 76
7.9.1 Ordering spare parts ......................................................................................................................... 76
7.9.2 Recommended spare parts stock for 2 years' operation to DIN 24296.......................................... 76
8 Trouble-shooting.................................................................................................................................. 77
9 Related Documents .............................................................................................................................. 79
9.1 General assembly drawing............................................................................................................................. 79
9.2 Cable bundle................................................................................................................................................... 82
9.3 Wiring diagrams ............................................................................................................................................. 84
9.3.1 Wiring diagram ................................................................................................................................. 84
9.3.2 Wiring diagrams for the sensors ...................................................................................................... 85
9.4 Flamepaths on explosion-proof motors ........................................................................................................ 87
9.5 Dimensions [mm] ............................................................................................................................................ 88
9.6 General arrangement drawings .................................................................................................................... 90
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Amacan P