Richter MNKA-B Series (ASME) - Manual (Page 2)

Installation and Operating Manual
Series MNKA-B, acc. to ASME/ANSI
9250-055-en Revision 01
TM 5976 MPE/Wm Page 2 Edition 10/2004
List of Contents
1 Technical data....................................... 3
1.1 Intended use............................................... 4
1.2 Tightening torques...................................... 4
1.3 Name plate, dry-running, CE and housing
(casing) markings ....................................... 4
2 Notes on safety..................................... 5
2.1 For the customer/operator.......................... 6
2.2 For maintenance ........................................ 6
2.3 Conversion work and production of spare
parts by the customer................................. 6
2.4 Inadmissible modes of operation ............... 6
2.5 Explosion protection ................................... 6
2.5.1
..
Filling the unit .......................................................6
2.5.2
..
Special operating conditions .................................6
2.5.3
..
Chargeable liquids................................................7
2.5.4
..
Identification .........................................................7
2.5.5
..
Check of the direction of rotation ..........................7
2.5.6
..
Mode of operation of the pump .............................7
2.5.7
..
Temperature limits................................................7
2.5.8
..
Maintenance.........................................................8
2.5.9
..
Electric peripheral equipment ...............................8
3 Transport and storage.......................... 8
3.1 Return consignments ................................. 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-coupling-motor ............ 9
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........................................................10
5.4.5
..
Discharge line.....................................................10
5.4.6
..
Venting and draining...........................................10
5.5 Pipe fittings............................................... 11
5.6 Monitoring facilities................................... 11
5.7 Drive ......................................................... 11
5.8 Electric connection ................................... 11
6 Commissioning/Shutdown ................ 12
6.1 Initial commissioning................................ 12
6.1.1
...
Filling the pump housing (casing)....................... 12
6.1.2
...
Start-up.............................................................. 12
6.2 Operating limits ........................................ 12
6.2.1
...
Abrasive media.................................................. 12
6.2.2
...
Min./max. flow rate............................................. 12
6.3 Shutdown ................................................. 12
6.4 Restarting................................................. 13
6.5 Inadmissible modes of operations and their
consequences (examples) ....................... 13
7 Maintenance........................................ 13
7.1 Screw connections of the housing (casing)13
7.2 Motor ........................................................ 13
7.3 Cleaning ................................................... 13
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
...
Removing the bearing pedestal ......................... 14
7.6.2
...
Dismantling adapter and motor .......................... 14
7.6.3
...
Dismantling the slide-in unit ............................... 15
7.7 Notes on assembly .................................. 15
7.8 Assembly.................................................. 15
7.8.1
...
Assembly of adapter and motor ......................... 15
7.8.2
...
Drive magnet assembly ..................................... 15
7.8.3
...
Assembly of slide-in unit .................................... 16
7.8.4
...
Perform trial assembly of the plain bearing pedestal
with impeller, inner magnet assembly and plain
bearings............................................................. 16
7.8.5
...
Checking bearing play Z and impeller distance X16
7.8.6
...
Final assembly................................................... 16
7.9 Tests ........................................................ 16
8 Faults ................................................... 17
9 Sectional drawing............................... 18
9.1 MNKA-B close-coupled design ................ 18