Xylem MPAI - Manual (Page 73)

Installation, Operating and Maintenance Instruction
Model MP, MPA, MPAI
MP 100-english page 69 Revision 04
Article No 771074011 Issue 11/2011
TABLE of CONTENTS
Pump Name Plate ................................................... 70
1. General................................................................. 71
1.1 Guarantee ....................................................... 71
2. Safety Regulations ............................................. 71
2.1 Marking of References in the Operating
Instructions ............................................................ 71
2.2 Dangers of non-observance of the Safety
Instructions ............................................................ 72
2.3 Safety Instructions for the Operator / Worker . 72
2.4 Safety Instructions for Maintenance, Inspections
and Mounting Work ............................................... 72
2.5 Unauthorized Alteration and Spare Parts
Production ............................................................. 72
2.6 Undue Operation ............................................. 72
2.7 Explosion Protection........................................ 72
2.8 Use acc. to Regulations .................................. 74
3. Description .......................................................... 75
3.1 Models ............................................................. 75
3.2 Shaft Sealing ................................................... 75
3.3 Bearings .......................................................... 75
3.4 Approximate Value for Sound Pressure Level 75
3.5 Permitted Nozzle Loads and Torques at the
Pump Nozzles ... ................................................... 76
3.6 Permitted Pressures and Temperatures ......... 77
4. Transport, Handling, Storage ............................ 78
4.1 Transport, Handling ......................................... 78
4.2 Storage / Preservation..................................... 78
5. Mounting / Installation ....................................... 79
5.1 Mounting of Pump / Unit .................................. 79
5.2 Connection of Pipings to the Pump ................. 79
5.3 Coupling .......................................................... 80
5.4 Drive ................................................................ 82
5.5 Electric Connection ......................................... 82
5.6 Final Control .................................................... 82
6. Start-up, Operation, Shut down ........................ 82
6.1 Initial start-up ................................................... 82
6.2 Switch on drive ................................................ 83
6.3 Restarting ........................................................ 83
6.4 Limits of Operation .......................................... 83
6.5 Lubrication of Bearings .................................... 84
6.6 Monitoring ........................................................ 84
6.7 Shutting down .................................................. 84
6.8 Storage / longer periods of non-operation ....... 84
7. Servicing, Maintenance ...................................... 85
7.1 General remarks .............................................. 85
7.2 Mechanical seals ............................................. 85
7.3 Stuffing boxes .................................................. 85
7.4 Lubrication and Change of Lubricant ............... 85
7.5 Coupling ........................................................... 85
7.6 Cleaning of pump ............................................ 86
8. Dismantling and repair of pump ........................ 86
8.1 General remarks .............................................. 86
8.2 General ............................................................ 86
8.3 Tools and Equipment ....................................... 87
8.4 Dismantling the Pump ..................................... 87
8.5 Replacing Roller Bearings ............................... 87
8.6 Replacement of the slide bearing .................... 88
8.7 Replacement of the shaft sleeve with a packing
gland / Replacement of the mechanical seal ......... 89
8.8 Dismantling ...................................................... 90
8.9 Repairs ............................................................ 92
9.Reassembly .......................................................... 93
9.1 Preliminary work .............................................. 93
9.2 Model MPA, MPAI (axial intake lines) .............. 94
9.3 Model MP (bearings on both sides) ................. 95
10. Spare Parts, Spare Pumps ............................... 95
10.1 Spare Parts .................................................... 95
10.2 Stand-by pumps ............................................. 96
11. Faults - Causes and Solutions ......................... 97
12. Motor Operating Instructions .......................... 98
Sectional drawings…………………….…...……100-127
Connections……………..……………….....……128-129
Tightening Torques……………...……………………130