KSB Etaprime L, Installation & Operating Manual

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Contents
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Etaprime L
5.8.1 Setting the time relay ........................................................................................................................ 30
5.8.2 Earthing .............................................................................................................................................. 30
5.8.3 Connecting the motor ....................................................................................................................... 31
5.9 Checking the direction of rotation................................................................................................................ 31
6 Commissioning/Start-up/Shutdown................................................................................................... 32
6.1 Commissioning/Start-up ................................................................................................................................. 32
6.1.1
Prerequisites for commissioning/start-up ......................................................................................... 32
6.1.2 Filling in the lubricants ...................................................................................................................... 32
6.1.3 Priming and venting the pump......................................................................................................... 33
6.1.4 Final check .......................................................................................................................................... 34
6.1.5 Start-up............................................................................................................................................... 34
6.1.6 Checking the shaft seal...................................................................................................................... 37
6.1.7 Shutdown ........................................................................................................................................... 37
6.2 Operating limits.............................................................................................................................................. 38
6.2.1
Ambient temperature........................................................................................................................ 38
6.2.2 Frequency of starts............................................................................................................................. 39
6.2.3 Fluid handled ..................................................................................................................................... 39
6.3 Shutdown/storage/preservation .................................................................................................................... 40
6.3.1
Measures to be taken for shutdown ................................................................................................ 40
6.4 Returning to service ....................................................................................................................................... 41
7 Servicing/Maintenance........................................................................................................................ 42
7.1 Safety regulations........................................................................................................................................... 42
7.2 Servicing/inspection........................................................................................................................................ 43
7.2.1
Supervision of operation ................................................................................................................... 43
7.2.2 Inspection work.................................................................................................................................. 45
7.2.3 Lubrication and lubricant change of rolling element bearings ...................................................... 46
7.3 Drainage/cleaning .......................................................................................................................................... 49
7.4 Dismantling the pump set.............................................................................................................................. 49
7.4.1
General information/Safety regulations........................................................................................... 49
7.4.2 Preparing the pump set..................................................................................................................... 50
7.4.3 Removing the motor.......................................................................................................................... 50
7.4.4 Removing the back pull-out unit ...................................................................................................... 50
7.4.5 Removing the impeller ...................................................................................................................... 51
7.4.6 Dismantling the mechanical seal ...................................................................................................... 51
7.4.7 Dismantling the bearings .................................................................................................................. 52
7.5 Reassembling the pump set ........................................................................................................................... 52
7.5.1
General information/Safety regulations........................................................................................... 52
7.5.2 Installing the bearings ....................................................................................................................... 53
7.5.3 Installing the mechanical seal ........................................................................................................... 54
7.5.4 Fitting the impeller ............................................................................................................................ 56
7.5.5 Installing the back pull-out unit ....................................................................................................... 57
7.5.6 Mounting the motor ......................................................................................................................... 57
7.6 Tightening torques......................................................................................................................................... 57
7.6.1
Tightening torques for the pump..................................................................................................... 57
7.6.2 Tightening torques for the pump set ............................................................................................... 58
7.7 Spare parts stock............................................................................................................................................. 59
7.7.1
Ordering spare parts.......................................................................................................................... 59
7.7.2 Recommended spare parts stock for 2 years' operation to DIN 24296 .......................................... 59
7.7.3 Interchangeability of Etaprime L and Etaprime B pump components ........................................... 60
8 Trouble-shooting.................................................................................................................................. 61
9 Related Documents.............................................................................................................................. 63
9.1 Sectional drawing and list of components ................................................................................................... 63
9.1.1
Etaprime G and C, threaded connection, with bearing housing (SU 17) ....................................... 63
9.1.2 Etaprime G and C, flanged connection, with bearing bracket/grease lubrication (SU 25 and
SU 35).................................................................................................................................................. 65
9.1.3 Etaprime G and C, flanged connection, with bearing bracket/oil lubrication (SU 25 and SU 35) .....
69