Contents
4 of 60
Sewabloc
6.1.3
Shutdown ........................................................................................................................................... 28
6.2
Operating limits.............................................................................................................................................. 28
6.2.1
Maximum operating pressure ........................................................................................................... 29
6.2.2
Frequency of starts............................................................................................................................. 30
6.2.3
Fluid handled ..................................................................................................................................... 30
6.3
Shutdown/storage/preservation .................................................................................................................... 30
6.4
Returning to service ....................................................................................................................................... 31
7
Servicing/Maintenance ........................................................................................................................ 32
7.1
Safety regulations........................................................................................................................................... 32
7.2
Servicing/Inspection........................................................................................................................................ 33
7.2.1
Supervision of operation ................................................................................................................... 33
7.2.2
Inspection work.................................................................................................................................. 34
7.2.3
Lubrication and lubricant change..................................................................................................... 35
7.3
Drainage/cleaning .......................................................................................................................................... 38
7.4
Dismantling the pump set.............................................................................................................................. 38
7.4.1
General information/Safety regulations........................................................................................... 38
7.4.2
Preparations for dismantling ............................................................................................................ 39
7.4.3
Separating the pump from the piping ............................................................................................. 39
7.4.4
Removing the pump set .................................................................................................................... 40
7.4.5
Removing the motor.......................................................................................................................... 40
7.4.6
Removing the impeller ...................................................................................................................... 40
7.4.7
Dismantling the mechanical seal ...................................................................................................... 42
7.4.8
Removing shaft and rolling element bearing .................................................................................. 43
7.4.9
Removing the wear plate (for D type impellers only) ..................................................................... 44
7.5
Reassembling the pump set ........................................................................................................................... 44
7.5.1
General information/Safety regulations........................................................................................... 44
7.5.2
Installing the shaft and rolling element bearings ........................................................................... 45
7.5.3
Installing the mechanical seal ........................................................................................................... 45
7.5.4
Fitting the impeller ............................................................................................................................ 48
7.5.5
Installing the back pull-out unit ....................................................................................................... 49
7.5.6
Leak test ............................................................................................................................................. 50
7.6
Tightening torques......................................................................................................................................... 50
7.7
Spare parts stock............................................................................................................................................. 51
7.7.1
Ordering spare parts.......................................................................................................................... 51
7.7.2
Recommended spare parts stock for 2 years' operation to DIN 24296 .......................................... 51
8
Trouble-shooting.................................................................................................................................. 52
9
Related Documents .............................................................................................................................. 54
9.1
General assembly drawing – Sewabloc ......................................................................................................... 54
9.2
Exploded view of a Sewabloc ........................................................................................................................ 55
10
EU Declaration of Conformity ............................................................................................................. 56
11
Certificate of Decontamination........................................................................................................... 57
Index ..................................................................................................................................................... 58
Summary of Contents for Sewabloc Series
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