Amarex KRT series, Installation And Operating Manual, Page: 4 / 124

Contents
4 of 124
Amarex KRT
6 Commissioning/Start-up/Shutdown................................................................................................... 47
6.1 Commissioning/start-up ................................................................................................................................. 47
6.1.1
Prerequisites for commissioning/start-up ......................................................................................... 47
6.1.2 Priming and venting the pump set (dry installation only - installation type D) ............................ 47
6.1.3 Start-up............................................................................................................................................... 48
6.1.4 Shutdown (dry installation only - installation type D) .................................................................... 49
6.2 Operating limits.............................................................................................................................................. 50
6.2.1
Frequency of starts............................................................................................................................. 50
6.2.2 Operation on the power supply network ........................................................................................ 50
6.2.3 Operation on a frequency inverter................................................................................................... 50
6.2.4 Fluid handled ..................................................................................................................................... 51
6.3 Shutdown/storage/preservation .................................................................................................................... 52
6.3.1
Measures to be taken for shutdown ................................................................................................ 52
6.4 Returning to service ....................................................................................................................................... 53
7 Servicing/Maintenance ........................................................................................................................ 54
7.1 Safety regulations........................................................................................................................................... 54
7.2 Maintenance/inspection................................................................................................................................. 56
7.2.1
Inspection work.................................................................................................................................. 56
7.2.2 Coolant (pump sets with cooling system only - installation types D and K) .................................. 61
7.2.3 Lubrication and lubricant change..................................................................................................... 65
7.3 Drainage/cleaning .......................................................................................................................................... 72
7.4 Dismantling the pump set.............................................................................................................................. 72
7.4.1
General information/Safety regulations........................................................................................... 72
7.4.2 Preparing the pump set..................................................................................................................... 73
7.4.3 Dismantling the pump section .......................................................................................................... 73
7.4.4 Dismantling the motor section ......................................................................................................... 78
7.5 Reassembling the pump set ........................................................................................................................... 79
7.5.1
General information/Safety regulations........................................................................................... 79
7.5.2 Reassembling the pump section ....................................................................................................... 80
7.5.3 Reassembling the motor section....................................................................................................... 83
7.5.4 Leak testing ........................................................................................................................................ 86
7.5.5 Checking the connection of motor/power supply ........................................................................... 88
7.6 Tightening torques......................................................................................................................................... 88
7.7 Spare parts stock............................................................................................................................................. 88
7.7.1
Ordering spare parts.......................................................................................................................... 88
7.7.2 Recommended spare parts stock for 2 years' operation to DIN 24296 .......................................... 89
8 Trouble-shooting.................................................................................................................................. 90
9 Related Documents .............................................................................................................................. 92
9.1 General assembly drawings with list of components................................................................................... 92
9.1.1
Pump sets with cooling system (installation types K and D) ........................................................... 92
9.1.2 Pump sets without cooling system (installation type S) .................................................................. 94
9.2 Detailed views................................................................................................................................................. 96
9.2.1
Side views ........................................................................................................................................... 96
9.2.2 Top views............................................................................................................................................ 98
9.2.3 Attachment points ........................................................................................................................... 100
9.2.4 Sensors and terminals ...................................................................................................................... 102
9.2.5 Drive-end bearing assembly ............................................................................................................ 106
9.2.6 Further details .................................................................................................................................. 106
9.3 Wiring diagrams ........................................................................................................................................... 108
9.3.1
Wiring diagram for the power cables ............................................................................................ 108
9.3.2 Wiring diagram for the sensors ...................................................................................................... 109
9.4 Sectional drawings of the mechanical seal ................................................................................................. 116
10 Certificate of Decontamination......................................................................................................... 118
Index ................................................................................................................................................... 119