Xylem LN - Manual (Page 45)

Installation, Operating and Maintenance Instruction Model L, LN
Page 41
TABLE of CONTENTS
Pump Name Plate ... ............................................... 42
1. General................................................................. 43
1.1 Guarantee ....................................................... 43
2. Safety Regulations ............................................. 43
2.1 Marking of References in the Operating
Instructions ............................................................ 43
2.2 Dangers of non-observance of the Safety
Instructions ............................................................ 44
2.3 Safety Instructions for the Operator / Worker . 44
2.4 Safety Instructions for Maintenance, Inspections
and Mounting Work ............................................... 44
2.5 Unauthorized Alteration and Spare Parts
Production ............................................................. 44
2.6 Undue Operation ............................................. 44
2.7 Use acc. to Regulations .................................. 44
3. Description .......................................................... 45
3.1 Design ............................................................. 45
3.2 Maximum permitted working pressure and
temperature ........................................................... 45
3.3 Shaft Sealing ................................................... 46
3.4 Bearings .......................................................... 47
3.5 Approximate Value for Sound Pressure Level 47
3.6 Permitted Nozzle Loads and Torques at the
Pump Nozzles ... ................................................... 48
4. Transport, Handling, Storage ............................ 48
4.1 Transport, Handling ......................................... 48
4.2 Storage / Conservation.................................... 49
5. Mounting / Installation ....................................... 49
5.1 Mounting of Pump / Unit .................................. 49
5.2 Connection of Pipings to the Pump ................. 50
5.3 Coupling .......................................................... 51
5.4 Drive ................................................................ 53
5.5 Electric Connection .......................................... 53
5.6 Final Control .................................................... 53
6. Start-up, Operation, Shut down ......................... 53
6.1 Initial start-up ................................................... 53
6.2 Switch on drive ................................................ 53
6.3 Restarting ........................................................ 53
6.4 Limits of Operation .......................................... 54
6.5 Grease lubrication............................................ 54
6.6 Monitoring ........................................................ 54
6.7 Shutting down .................................................. 54
6.8 Storage / longer periods of non-operation ....... 54
7. Servicing, Maintenance ...................................... 55
7.1 General remarks .............................................. 55
7.2 Mechanical seals ............................................. 55
7.3 Coupling ........................................................... 55
7.4 Cleaning of pump ............................................ 55
8. Dismantling and repair of pump ........................ 55
8.1 General remarks .............................................. 55
8.2 General ............................................................ 56
9. Recommended Spare Parts, Spare Pumps ...... 56
9.1 Spare Parts ...................................................... 56
9.2 Stand-by pumps ............................................... 56
10. Faults - Causes and Solutions ......................... 56
11. Motor Operating Instructions...................…….58
Sectional drawing Type L ..........................................60
Sectional drawing Type LN .......................................62
Weights .....................................................................64