Richter SCK Series, Installation And Operating Manual

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Series SCK, Size 25-25-100
Page 2
9220-003-en Revision 14
TM 10272 Edition 01/2021
List of Contents
List of Contents ........................................ 2
Relevant documents ................................. 3
1 Technical data ...................................... 3
1.1 Tightening torques ....................................... 4
1.2 Type plate, ATEX and housing markings .... 4
1.3 Spare parts .................................................. 4
2 Notes on safety .................................... 5
2.1 Intended use ................................................ 5
2.2 For the customer / operator ......................... 6
2.3 For maintenance ......................................... 6
2.4 Conversion work and production of spare
parts by the customer .................................. 6
2.5 Improper operation ...................................... 6
2.6 Special requirements for explosion protection
6
2.6.1 Filling the unit .................................................. 6
2.6.2 Special operating conditions ............................ 6
2.6.3 Chargeable liquids ........................................... 7
2.6.4 Identification .................................................... 7
2.6.5 Check of the direction of rotation ..................... 7
2.6.6 Mode of operation of the pump ........................ 7
2.6.7 Temperature limits ........................................... 7
2.6.8 Maintenance .................................................... 8
2.6.9 Electric peripheral equipment .......................... 8
3 Transport, storage and disposal ........ 9
3.1 Return consignments .................................. 9
3.2 Disposal ....................................................... 9
4 Product description ........................... 10
4.1 Housing ..................................................... 10
4.2 Lantern with back plate ............................. 10
4.3 Impeller ...................................................... 10
4.4 Shaft sleeve ............................................... 10
4.5 Bearing pedestal ....................................... 10
4.6 Mechanical seals ....................................... 10
5 Installation .......................................... 11
5.1 Safety regulations ...................................... 11
5.2 Installation of pump/unit ............................ 11
5.3 Alignment of pump-coupling-motor ........... 11
5.4 Piping......................................................... 11
5.4.1 Nominal size .................................................. 11
5.4.2 Nozzle loads .................................................. 12
5.4.3 Suction line .................................................... 12
5.4.4 Supply lines ................................................... 12
5.4.5 Discharge line ................................................ 12
5.4.6 Venting and evacuating ................................. 12
5.5 Pipe fittings ................................................ 12
5.6 Monitoring facilities .................................... 13
5.7 Drive .......................................................... 13
5.8 Coupling .................................................... 13
5.9 Final check ................................................. 13
5.10 Coupling guard .......................................... 13
5.11 Electric connection ..................................... 13
6 Commissioning/Shutdown ............... 14
6.1 Initial commissioning .................................. 14
6.1.1 Mechanical seals ........................................... 14
6.1.2 Filling the pump housing ................................ 14
6.1.3 Start-up ......................................................... 14
6.2 Operating limits .......................................... 14
6.2.1 Abrasive media ............................................. 14
6.2.2 Min./max. flow rate ........................................ 14
6.3 Shutdown ................................................... 15
6.4 Restarting .................................................. 15
6.5 Improper operations and their consequences
(examples) ................................................. 15
7 Maintenance ....................................... 16
7.1 Screw connections of the housing ............. 16
7.2 Bearing pedestal ........................................ 16
7.2.1 Long life grease lubrication ............................ 16
7.2.2 Oil bath lubrication ......................................... 16
7.3 Mechanical seals ....................................... 16
7.4 Cleaning ..................................................... 16
7.5 Stand-by pumps ......................................... 16
7.6 Notes on dismantling ................................. 17
7.6.1 Protective clothing ......................................... 17
7.7 Dismantling ................................................ 17
7.7.1 Dismantling slide-in unit ................................. 17
7.7.2 Dismantling the mechanical seal ................... 17
7.7.3 Dismantling the shaft sleeve .......................... 17
7.7.4 Dismantling the lantern with back plate .......... 17
7.7.5 Dismantling the bearing pedestal ................... 17
7.8 Changing the radial ball bearings .............. 18
7.8.1 Long life grease lubrication ............................ 18
7.8.2 Oil bath lubrication ......................................... 18
7.9 Notes on assembly .................................... 18
7.10 Assembly ................................................... 19
7.10.1 Pour in oil into the bearing pedestal! ............. 19
7.11 Tests .......................................................... 19
8 Malfunctions ...................................... 20
9 Sectional drawing .............................. 21
9.1 Legend ....................................................... 21
9.2 Sectional drawing long life grease lubrication
22
9.3 Sectional drawing SCK oil bath lubrication 23
10 Assembly aids ................................... 24
10.1 Impeller wrench for open impeller SCK ..... 24
10.2 Clamping device for SCK single mechanical
seals........................................................... 24
10.3 Boring template for housing drain .............. 24