Xylem IM157 Model MPVN - Manual (Page 2)

2
TABLE OF CONTENTS
SUBJECTS PAGE
1. General ......................................................................3
1.1 Foreword ..................................................................3
1.2 Guarantee ................................................................3
1.3 Safety Regulations ....................................................3
1.4 Safety instructions ....................................................3
Dangers of not following safety instructions .............3
Safety instructions for the operator ...........................3
Speed, Pressure, Temperature ...................................4
Permitted forces on flanges .......................................4
NPSH .......................................................................4
Sealing, flushing, cooling ..........................................4
Minimum flows ........................................................4
Protection against running dry ..................................4
Back flow ..................................................................4
2. DESCRIPTION .........................................................4
2.1 Model ......................................................................4
Installation position ..................................................4
2.2 Shaft Sealing .............................................................4
2.3 Bearings and Lubrication .........................................4
Lubrication of roller bearings ...................................5
Bearing types (roller bearings)...................................5
Interval of re-lubrication/grease quantity ..................5
3. TRANSPORT, HANDLING, STORAGE ...................5
3.1 Transport, handling ..................................................5
3.2 Storage .....................................................................5
Preservation ..............................................................5
4. INSTALLATION, OPERATION ...............................5
4.1 Assembly and connection of pump ...........................5
4.2 Installation and Alignment of Coupling ...................5
Capscrew Torques .....................................................6
Equipment Alignment ...............................................6
4.3 Connecting the Pipes to the Pump ............................6
Suction and Discharge Pipe .......................................6
Auxiliary Pipes ..........................................................6
4.4 Electrical Connection ...............................................6
4.5 Starting Up ...............................................................7
Hints for use as a boiler feed pump ...........................7
Starting up for the first time ......................................7
Putting into operation again (after longer standstill;
1 month) ..................................................................7
4.6 Operation and Monitoring .......................................7
Permitted number of starts ........................................7
4.7 Shutting Down .........................................................7
4.8 Dismantling ..............................................................8
5. MAINTENANCE, SERVICING ................................8
Mechanical seals .......................................................8
Lubrication of bearing ..............................................8
Coupling ..................................................................8
Cleaning the pump ...................................................8
6. LONGER PERIODS OF NON-OPERATION ............8
6.1 Drained pumps .........................................................8
6.2 Filled pumps .............................................................8
7. FAULTS – CAUSES AND SOLUTIONS ....................9
8. REPAIRS ..................................................................10
9. SPARE PARTS, SPARE PUMPS ................................10
9.1 Spare Parts .............................................................10
Ordering spare parts ...............................................10
9.2 Stand-by pumps .....................................................10
10. PLANT MANAGER LIST .....................................11
11. LOG BOOK ...........................................................11