Contents
4 of 72
HPK
5.9
Checking the direction of rotation................................................................................................................ 33
6
Commissioning/Start-up/Shutdown................................................................................................... 34
6.1
Shutdown/storage/preservation .................................................................................................................... 34
6.1.1
Measures to be taken for shutdown ................................................................................................ 34
6.2
Operating limits.............................................................................................................................................. 34
6.2.1
Ambient temperature........................................................................................................................ 34
6.2.2
Frequency of starts............................................................................................................................. 35
6.2.3
Fluid handled ..................................................................................................................................... 35
6.3
Commissioning/start-up ................................................................................................................................. 36
6.3.1
Prerequisites for commissioning/start-up ......................................................................................... 36
6.3.2
Filling in lubricants............................................................................................................................. 36
6.3.3
Shaft seal ............................................................................................................................................ 38
6.3.4
Priming and venting the pump......................................................................................................... 39
6.3.5
Water cooling..................................................................................................................................... 39
6.3.6
Cooling of the shaft seal ("K" design).............................................................................................. 40
6.3.7
Bearing bracket cooling .................................................................................................................... 40
6.3.8
Cooling of the heat exchanger ......................................................................................................... 40
6.3.9
Heating up/keeping warm the pump (set)....................................................................................... 41
6.3.10 Final check .......................................................................................................................................... 41
6.3.11 Start-up............................................................................................................................................... 41
6.3.12 Checking the shaft seal...................................................................................................................... 42
6.3.13 Shutdown ........................................................................................................................................... 43
6.4
Returning to service ....................................................................................................................................... 44
7
Servicing/Maintenance........................................................................................................................ 45
7.1
Safety regulations........................................................................................................................................... 45
7.2
Servicing/inspection........................................................................................................................................ 46
7.2.1
Supervision of operation ................................................................................................................... 46
7.2.2
Inspection work.................................................................................................................................. 47
7.2.3
Lubrication and lubricant change of rolling element bearings ...................................................... 48
7.3
Drainage/cleaning .......................................................................................................................................... 50
7.4
Dismantling the pump set.............................................................................................................................. 50
7.4.1
General information/Safety regulations........................................................................................... 50
7.4.2
Preparing the pump set..................................................................................................................... 51
7.4.3
Removing the motor.......................................................................................................................... 51
7.4.4
Removing the back pull-out unit ...................................................................................................... 51
7.4.5
Removing the impeller ...................................................................................................................... 52
7.4.6
Removing the shaft seal .................................................................................................................... 52
7.4.7
Dismantling the bearings .................................................................................................................. 53
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 .......................................................................................................................... 56
7.5.4
Fitting the impeller ............................................................................................................................ 58
7.5.5
Fitting the back pull-out unit............................................................................................................ 59
7.5.6
Mounting the motor ......................................................................................................................... 59
7.6
Tightening torques......................................................................................................................................... 59
7.6.1
Tightening torques ............................................................................................................................ 59
7.6.2
Tightening torques impeller nut/screw ............................................................................................ 60
7.7
Spare parts stock............................................................................................................................................. 60
7.7.1
Ordering spare parts.......................................................................................................................... 60
7.7.2
Recommended spare parts stock for 2 years' operation to DIN 24296........................................... 61
7.7.3
Interchangeability of pump components......................................................................................... 61
8
Trouble-shooting.................................................................................................................................. 63
9
Related Documents.............................................................................................................................. 65
9.1
General assembly drawing with list of components .................................................................................... 65
