Contents
4 of 96
Magnochem-Bloc
5.7 Checking the direction of rotation................................................................................................................30
6 Commissioning/Start-up/Shutdown................................................................................................... 31
6.1 Commissioning/Start-up.................................................................................................................................31
6.1.1 Prerequisites for commissioning/start-up .........................................................................................31
6.1.2 Priming and venting the pump.........................................................................................................31
6.1.3 Cooling water supply of heat exchanger (for dead-end configuration only)................................34
6.1.4 Heating...............................................................................................................................................34
6.1.5 Heating up the pump (set) and keeping it warm ............................................................................35
6.1.6 Start-up...............................................................................................................................................36
6.1.7 Shutdown ...........................................................................................................................................38
6.2 Operating limits..............................................................................................................................................39
6.2.1 Ambient temperature........................................................................................................................39
6.2.2 Frequency of starts.............................................................................................................................40
6.2.3 Fluid handled .....................................................................................................................................40
6.2.4 Leakage barrier (optional) ................................................................................................................41
6.3 Shutdown/storage/preservation ....................................................................................................................42
6.3.1 Measures to be taken for shutdown ................................................................................................42
6.4 Returning to service .......................................................................................................................................42
7 Servicing/Maintenance........................................................................................................................ 44
7.1 Safety regulations...........................................................................................................................................44
7.2 Servicing/Inspection........................................................................................................................................45
7.2.1 Supervision of operation...................................................................................................................45
7.2.2 Inspection work..................................................................................................................................47
7.3 Drainage/cleaning ..........................................................................................................................................50
7.4 Dismantling the pump set..............................................................................................................................51
7.4.1 General information/Safety regulations...........................................................................................51
7.4.2 Preparing the pump set.....................................................................................................................52
7.4.3 Removing the back pull-out unit (including motor)........................................................................52
7.4.4 Dismantling the back pull-out unit ..................................................................................................53
7.4.5 Removing the containment shroud ..................................................................................................55
7.4.6 Removing the impeller ......................................................................................................................57
7.4.7 Dismantling the plain bearings.........................................................................................................57
7.5 Reassembling the pump set...........................................................................................................................59
7.5.1 General information/Safety regulations...........................................................................................59
7.5.2 Installing the plain bearings..............................................................................................................60
7.5.3 Fitting the impeller............................................................................................................................64
7.5.4 Fitting the containment shroud........................................................................................................64
7.5.5 Fitting the bearing bracket lantern ..................................................................................................66
7.5.6 Mounting the outer rotor on the shaft............................................................................................68
7.5.7 Vertical reassembly ............................................................................................................................72
7.5.8 Run-out check ....................................................................................................................................72
7.5.9 Installing the back pull-out unit .......................................................................................................73
7.5.10 Connecting the motor to the power supply ....................................................................................73
7.6 Tightening torques.........................................................................................................................................74
7.7 Spare parts stock.............................................................................................................................................75
7.7.1 Ordering spare parts..........................................................................................................................75
7.7.2 Recommended spare parts stock for 2 years' operation to DIN24296 ..........................................75
8 Trouble-shooting.................................................................................................................................. 77
9 Related Documents.............................................................................................................................. 79
9.1 General assembly drawings ...........................................................................................................................79
9.2 Plain bearings arrangement ..........................................................................................................................85
9.3 Positioning of locking elements and bearing bushes ..................................................................................88
10 EU Declaration of Conformity............................................................................................................. 89
11 Certificate of Decontamination........................................................................................................... 90
Index ..................................................................................................................................................... 91
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