Contents
4 of 108
Magnochem
5.7.2 Motors without adjusting screw .......................................................................................................33
5.8 Electrical connection ......................................................................................................................................34
5.8.1 Earthing ..............................................................................................................................................36
5.8.2 Connecting the motor .......................................................................................................................37
5.9 Checking the direction of rotation................................................................................................................37
6 Commissioning/Start-up/Shutdown................................................................................................... 38
6.1 Commissioning/start-up .................................................................................................................................38
6.1.1 Prerequisites for commissioning/start-up .........................................................................................38
6.1.2 Filling in the lubricant .......................................................................................................................38
6.1.3 Priming and venting the pump.........................................................................................................40
6.1.4 Final check ..........................................................................................................................................41
6.1.5 Cooling water supply of heat exchanger (for dead-end configuration only)................................42
6.1.6 Heating ...............................................................................................................................................42
6.1.7 Heating up the pump (set) and keeping it warm ............................................................................43
6.1.8 Start-up...............................................................................................................................................43
6.1.9 Shutdown ...........................................................................................................................................46
6.2 Operating limits..............................................................................................................................................46
6.2.1 Ambient temperature........................................................................................................................47
6.2.2 Frequency of starts.............................................................................................................................47
6.2.3 Fluid handled .....................................................................................................................................48
6.2.4 Leakage barrier (optional) ................................................................................................................49
6.3 Shutdown/storage/preservation ....................................................................................................................50
6.3.1 Measures to be taken for shutdown ................................................................................................50
6.4 Returning to service .......................................................................................................................................50
7 Servicing/Maintenance........................................................................................................................ 51
7.1 Safety regulations...........................................................................................................................................51
7.2 Servicing/inspection........................................................................................................................................52
7.2.1 Supervision of operation ...................................................................................................................52
7.2.2 Inspection work..................................................................................................................................54
7.2.3 Lubrication and lubricant change at rolling element bearings ......................................................57
7.3 Drainage/cleaning ..........................................................................................................................................59
7.4 Dismantling the pump set..............................................................................................................................60
7.4.1 General information/Safety regulations...........................................................................................60
7.4.2 Preparing the pump set.....................................................................................................................61
7.4.3 Removing the motor..........................................................................................................................61
7.4.4 Removing the back pull-out unit ......................................................................................................61
7.4.5 Dismantling the back pull-out unit ..................................................................................................62
7.5 Reassembling the pump set...........................................................................................................................70
7.5.1 General information/Safety regulations...........................................................................................70
7.5.2 Installing the plain bearings..............................................................................................................71
7.5.3 Fitting the impeller ............................................................................................................................74
7.5.4 Fitting the containment shroud........................................................................................................75
7.5.5 Fitting the bearing bracket lantern ..................................................................................................76
7.5.6 Fitting the rolling element bearings.................................................................................................78
7.5.7 Fitting the shaft seal – design with leakage barrier (optional) ......................................................79
7.5.8 Mounting the outer rotor on the drive shaft ..................................................................................82
7.5.9 Fitting the bearing bracket with the outer rotor ............................................................................83
7.5.10 Run-out check ....................................................................................................................................84
7.5.11 Installing the back pull-out unit .......................................................................................................85
7.5.12 Mounting the motor .........................................................................................................................85
7.6 Tightening torques.........................................................................................................................................86
7.7 Spare parts stock.............................................................................................................................................87
7.7.1 Ordering spare parts..........................................................................................................................87
7.7.2 Recommended spare parts stock for 2 years' operation to DIN24296...........................................87
8 Trouble-shooting.................................................................................................................................. 89
9 Related Documents.............................................................................................................................. 91
9.1 General assembly drawings ...........................................................................................................................91
9.2 Plain bearings arrangement ..........................................................................................................................98
To Next Page
Loading...
Need help?
General
