KSB Amarex KRT - Page 4

Contents
4 of 128
Amarex KRT
6.1.1 Prerequisites for commissioning/start-up .........................................................................................54
6.1.2 Priming and venting the pump set (dry installation only - installation type D) ............................54
6.1.3 Start-up...............................................................................................................................................55
6.1.4 Shutdown (dry installation only - installation type D) ....................................................................56
6.2 Operating limits..............................................................................................................................................57
6.2.1 Frequency of starts.............................................................................................................................57
6.2.2 Operation on the power supply mains.............................................................................................57
6.2.3 Frequency inverter operation ...........................................................................................................57
6.2.4 Fluid handled .....................................................................................................................................58
6.3 Shutdown/storage/preservation ....................................................................................................................59
6.3.1 Measures to be taken for shutdown ................................................................................................59
6.4 Returning to service .......................................................................................................................................60
7 Servicing/Maintenance........................................................................................................................ 61
7.1 Safety regulations...........................................................................................................................................61
7.2 Servicing/inspection........................................................................................................................................62
7.2.1 Inspection work..................................................................................................................................63
7.2.2 Coolant (pump sets with cooling system only - installation types D and K) ..................................67
7.2.3 Lubrication and lubricant change.....................................................................................................71
7.3 Drainage/cleaning ..........................................................................................................................................77
7.4 Dismantling the pump set..............................................................................................................................77
7.4.1 General information/Safety regulations...........................................................................................77
7.4.2 Preparing the pump set.....................................................................................................................78
7.4.3 Dismantling the pump section ..........................................................................................................78
7.4.4 Dismantling the motor section .........................................................................................................86
7.5 Reassembling the pump set...........................................................................................................................86
7.5.1 General information/Safety regulations...........................................................................................86
7.5.2 Reassembling the motor section.......................................................................................................87
7.5.3 Reassembling the pump section .......................................................................................................88
7.5.4 Leak testing ........................................................................................................................................92
7.5.5 Checking the connection of motor/power supply ...........................................................................93
7.6 Tightening torques.........................................................................................................................................93
7.7 Spare parts stock.............................................................................................................................................94
7.7.1 Ordering spare parts..........................................................................................................................94
7.7.2 Recommended spare parts stock for 2 years' operation to DIN 24296 ..........................................94
8 Trouble-shooting.................................................................................................................................. 95
9 Related Documents.............................................................................................................................. 97
9.1 General assembly drawings with list of components...................................................................................97
9.1.1 Pump sets with cooling system (installation types K and D): ..........................................................97
9.1.2 Pump sets without cooling system (installation types S and P) ....................................................100
9.2 Detailed views...............................................................................................................................................103
9.2.1 Sensors and terminals - pump set with cooling system .................................................................103
9.2.2 Sensors and terminals - pump set without cooling system ...........................................................104
9.2.3 Bearings - pump set with cooling system .......................................................................................105
9.2.4 Bearings - pump set without cooling system .................................................................................105
9.2.5 Bearing housing made of stainless steel ........................................................................................106
9.2.6 Bearing bracket fastening ...............................................................................................................106
9.2.7 Special feature of hydraulic system - pump set with cooling system ...........................................107
9.2.8 Special feature of hydraulic system - pump set without cooling system .....................................107
9.2.9 Special feature of hydraulic system - K350-710, K350-713, K401-710, K401-713, K501-710,
K600-710..........................................................................................................................................108
9.2.10 Connection space of K35 motors ....................................................................................................108
9.2.11 Bail ....................................................................................................................................................108
9.3 Wiring diagrams ...........................................................................................................................................109
9.3.1 Wiring diagram for the power cables ............................................................................................109
9.3.2 Wiring diagrams for the sensors .....................................................................................................110
9.4 Flamepaths on explosion-proof motors......................................................................................................118
9.5 Sectional drawings of the mechanical seal.................................................................................................119