KSB HPK Series, Installation & Operating Manual, Page: 4 / 80

Contents
4 of 80
HPK
5.8 Electrical connection ...................................................................................................................................... 34
5.8.1
Setting the time relay ........................................................................................................................ 35
5.8.2 Earthing .............................................................................................................................................. 35
5.8.3 Connecting the motor ....................................................................................................................... 35
5.9 Checking the direction of rotation................................................................................................................ 36
6 Commissioning/Start-up/Shutdown................................................................................................... 37
6.1 Commissioning/Start-up ................................................................................................................................. 37
6.1.1
Prerequisites for commissioning/start-up ......................................................................................... 37
6.1.2 Filling in lubricants............................................................................................................................. 37
6.1.3 Shaft seal ............................................................................................................................................ 38
6.1.4 Priming and venting the pump......................................................................................................... 40
6.1.5 Water cooling..................................................................................................................................... 40
6.1.6 Cooling of the shaft seal ................................................................................................................... 41
6.1.7 Bearing bracket cooling .................................................................................................................... 41
6.1.8 Cooling of the heat exchanger ......................................................................................................... 41
6.1.9 Heating up/keeping warm the pump (set)....................................................................................... 42
6.1.10 Final check .......................................................................................................................................... 42
6.1.11 Start-up............................................................................................................................................... 42
6.1.12 Checking the shaft seal...................................................................................................................... 43
6.1.13 Shutdown ........................................................................................................................................... 45
6.2 Operating limits.............................................................................................................................................. 46
6.2.1
Ambient temperature........................................................................................................................ 46
6.2.2 Frequency of starts............................................................................................................................. 46
6.2.3 Fluid handled ..................................................................................................................................... 47
6.3 Shutdown/storage/preservation .................................................................................................................... 48
6.3.1
Measures to be taken for shutdown ................................................................................................ 48
6.4 Returning to service ....................................................................................................................................... 48
7 Servicing/Maintenance ........................................................................................................................ 50
7.1 Safety regulations........................................................................................................................................... 50
7.2 Servicing/Inspection........................................................................................................................................ 51
7.2.1
Supervision of operation ................................................................................................................... 51
7.2.2 Inspection work.................................................................................................................................. 53
7.2.3 Lubrication and lubricant change of rolling element bearings ...................................................... 54
7.3 Drainage/cleaning .......................................................................................................................................... 56
7.4 Dismantling the pump set.............................................................................................................................. 56
7.4.1
General information/Safety regulations........................................................................................... 56
7.4.2 Preparing the pump set..................................................................................................................... 57
7.4.3 Removing the motor.......................................................................................................................... 57
7.4.4 Removing the back pull-out unit ...................................................................................................... 57
7.4.5 Removing the impeller ...................................................................................................................... 58
7.4.6 Removing the shaft seal .................................................................................................................... 58
7.4.7 Dismantling the bearings .................................................................................................................. 58
7.5 Reassembling the pump set ........................................................................................................................... 59
7.5.1
General information/Safety regulations........................................................................................... 59
7.5.2 Installing the bearings ....................................................................................................................... 60
7.5.3 Fitting the shaft seal .......................................................................................................................... 61
7.5.4 Fitting the impeller ............................................................................................................................ 63
7.5.5 Fitting the back pull-out unit............................................................................................................ 64
7.5.6 Mounting the motor ......................................................................................................................... 64
7.6 Tightening torques......................................................................................................................................... 64
7.6.1
Tightening torques for volute casing/bearing bracket.................................................................... 64
7.6.2 Tightening torques for the impeller nut .......................................................................................... 65
7.7 Spare parts stock............................................................................................................................................. 65
7.7.1
Ordering spare parts.......................................................................................................................... 65
7.7.2 Recommended spare parts stock for 2 years' operation to DIN 24296 .......................................... 65
7.7.3 Interchangeability of pump components......................................................................................... 66