Richter MPB 25-25-115 - Manual (Page 2)

Series MPB, close-coupled design Page 2
9240-050-en Revision 05
TM 7345 Edition 10/2008
List of Contents
List of Contents 2
Relevant documents 3
1 Technical data 3
1.1 Tightening torques....................................... 3
1.2 Type plate, dry-running, CE and housing
markings...................................................... 4
2 Notes on safety 4
2.1 Intended use................................................ 5
2.2 For the customer/operator........................... 5
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 Explosion protection .................................... 6
2.6.1 Filling the unit 6
2.6.2 Special operating conditions 6
2.6.3 Chargeable liquids 6
2.6.4 Identification 6
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 8
3.1 Return consignments .................................. 9
3.2 Disposal....................................................... 9
4 Product description 9
5 Installation 9
5.1 Safety regulations........................................ 9
5.2 Installation of pump/unit .............................. 9
5.3 Alignment of pump - motor ........................ 10
5.4 Piping......................................................... 10
5.4.1 Nominal size 10
5.4.2 Nozzle loads 10
5.4.3 Suction line 10
5.4.4 Supply lines 11
5.4.5 Discharge line 11
5.4.6 Venting and draining 11
5.5 Pipe fittings ................................................ 11
5.6 Monitoring facilities.................................... 11
5.7 Drive .......................................................... 12
5.8 Electric connection .................................... 12
6 Commissioning / Shutdown 12
6.1 Initial commissioning..................................12
6.1.1 Filling the pump housing 12
6.1.2 Start-up 12
6.2 Operating limits..........................................13
6.2.1 Min./max. flow rate 13
6.3 Shutdown...................................................13
6.4 Restarting ..................................................13
6.5 Improper operations and their
consequences (examples).........................13
7 Maintenance 14
7.1 Screw connections of the housing............14
7.2 Motor..........................................................14
7.3 Cleaning.....................................................14
7.4 Stand-by pumps.........................................14
7.5 Notes on dismantling .................................14
7.5.1 Protective clothing 14
7.5.2 Magnetic fields 14
7.6 Dismantling ................................................14
7.6.1 Can, can insert and intermediate ring 15
7.6.2 Dismantling of drive unit 15
7.7 Notes on assembly ....................................15
7.8 Assembly ...................................................15
7.8.1 Assembly of drive unit 15
7.8.2 Can, can insert and intermediate ring 16
7.8.3 Housing, right-hand ring channel and right-hand
bearing bush
16
7.8.4 Assembly housing, impeller and inner magnet
assembly
16
7.8.5 Drain (if provided) 16
7.9 Tests ..........................................................16
8 Faults 17
9 Sectional drawing 18
9.1 Legend sectional drawing ..........................18
9.2 Sectional drawing MPB, housing in L-position
...............................................................19
9.3 Sectional drawing MPB, housing in V-
position.......................................................20
10 Assembly aids 21
10.1 Boring template..........................................21
10.2 Assembly/Dismantling aid for inner magnet
assembly....................................................21
10.3 Dismantling ring .........................................22