Amarex KRT series - Page 4

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