KSB CPKNO - Page 4

Contents
4 of 76
CPKNO
5.7.2 Motors without adjusting screw .......................................................................................................30
5.8 Electrical connection ......................................................................................................................................31
5.8.1 Setting the time relay........................................................................................................................31
5.8.2 Connecting the motor .......................................................................................................................32
5.9 Checking the direction of rotation................................................................................................................32
6 Commissioning/Start-up/Shutdown................................................................................................... 33
6.1 Commissioning/Start-up.................................................................................................................................33
6.1.1 Prerequisites for commissioning/start-up .........................................................................................33
6.1.2 Filling in lubricants.............................................................................................................................33
6.1.3 Shaft seal ............................................................................................................................................34
6.1.4 Priming and venting the pump.........................................................................................................35
6.1.5 Final check..........................................................................................................................................35
6.1.6 Water cooling.....................................................................................................................................35
6.1.7 Cooling of the shaft seal ...................................................................................................................36
6.1.8 Heating (not for shaft seal variant "A")...........................................................................................36
6.1.9 Heating up/keeping warm the pump (set).......................................................................................37
6.1.10 Start-up...............................................................................................................................................37
6.1.11 Checking the shaft seal......................................................................................................................38
6.1.12 Shutdown ...........................................................................................................................................40
6.2 Operating limits..............................................................................................................................................40
6.2.1 Ambient temperature........................................................................................................................41
6.2.2 Frequency of starts.............................................................................................................................41
6.2.3 Fluid handled .....................................................................................................................................42
6.3 Shutdown/storage/preservation ....................................................................................................................43
6.3.1 Measures to be taken for shutdown ................................................................................................43
6.4 Returning to service .......................................................................................................................................43
7 Servicing/Maintenance........................................................................................................................ 44
7.1 Safety regulations...........................................................................................................................................44
7.2 Servicing/Inspection........................................................................................................................................45
7.2.1 Supervision of operation...................................................................................................................45
7.2.2 Inspection work..................................................................................................................................47
7.2.3 Lubrication and lubricant change of rolling element bearings ......................................................47
7.3 Drainage/cleaning ..........................................................................................................................................51
7.4 Dismantling the pump set..............................................................................................................................51
7.4.1 General information/Safety regulations...........................................................................................51
7.4.2 Preparing the pump set.....................................................................................................................52
7.4.3 Removing the motor..........................................................................................................................52
7.4.4 Removing the back pull-out unit ......................................................................................................52
7.4.5 Removing the impeller ......................................................................................................................53
7.4.6 Removing the shaft seal ....................................................................................................................53
7.4.7 Dismantling the bearings ..................................................................................................................54
7.5 Reassembling the pump set...........................................................................................................................54
7.5.1 General information/Safety regulations...........................................................................................54
7.5.2 Installing the bearings.......................................................................................................................55
7.5.3 Fitting the shaft seal..........................................................................................................................58
7.5.4 Fitting the impeller............................................................................................................................60
7.5.5 Fitting the back pull-out unit............................................................................................................60
7.5.6 Mounting the motor .........................................................................................................................60
7.6 Tightening torques.........................................................................................................................................60
7.6.1 Tightening torques ............................................................................................................................60
7.6.2 Tightening torques for the impeller nut ..........................................................................................61
7.7 Spare parts stock.............................................................................................................................................61
7.7.1 Ordering spare parts..........................................................................................................................61
7.7.2 Recommended spare parts stock for 2 years' operation to DIN24296 ..........................................62
7.7.3 Interchangeability of pump components.........................................................................................63