Model lm, lmn – Xylem LMN User Manual
Page 39
Installation, Operating and Maintenance Instruction
Model LM, LMN
LM ger/fr/eng
Page 35
Revision 06
Article No 771073101
Issue 08/2013
TABLE of CONTENTS
Pump Name Plate ................................................... 36
1. General................................................................. 37
1.1 Guarantee ....................................................... 37
2. Safety Regulations ............................................. 37
2.1 Marking of References in the Operating
Instructions ............................................................ 37
2.2 Dangers of non-observance of the Safety
Instructions ............................................................ 38
2.3 Safety Instructions for the Operator / Worker . 38
2.4 Safety Instructions for Maintenance, Inspections
and Mounting Work ............................................... 38
2.5 Unauthorized Alteration and Spare Parts
Production ............................................................. 38
2.6 Undue Operation ............................................. 38
2.7 Use acc. to Regulations .................................. 38
3. Description .......................................................... 39
3.1 Design ............................................................. 39
3.2 Pump Coding .................................................. 39
3.3 Shaft Sealing ................................................... 39
3.4 Bearings .......................................................... 41
3.5 Condensation .................................................. 41
3.6 Approximate Value for Sound Pressure Level 41
3.7 Permitted Nozzle Loads and Torques at the
Pump Nozzles ... ................................................... 41
3.8 Permitted pressures and temperatures ........... 42
4. Transport, Handling, Storage ............................ 43
4.1 Transport, Handling ......................................... 43
4.2 Storage / Conservation.................................... 43
5. Mounting / Installation ....................................... 43
5.1 Mounting of Pump / Unit .................................. 43
5.2 Connection of Piping to the Pump ................... 44
5.3 Drive ................................................................ 44
5.4 Electric Connection ......................................... 44
5.5 Final Control .................................................... 45
6. Start-up, Operation, Shut down ........................ 45
6.1 Initial start-up ................................................... 45
6.2 Switch on drive ................................................ 45
6.3 Restarting ........................................................ 45
6.4 Limits of Operation .......................................... 45
6.5 Lubrication ....................................................... 46
6.6 Monitoring ........................................................ 46
6.7 Shutting down .................................................. 46
6.8 Storage / longer periods of non-operation ....... 46
7. Servicing, Maintenance ...................................... 46
7.1 General remarks .............................................. 46
7.2 Mechanical seals ............................................. 46
7.3 Motor bearings ................................................. 47
7.4 Cleaning of pump ............................................ 47
8. Dismantling and repair of pump ........................ 47
8.1 General remarks .............................................. 47
8.2 General ............................................................ 47
9. Spare parts, Spare pumps .................................. 47
9.1 Spare parts ...................................................... 47
9.2 Stand-by pumps ............................................... 48
10. Faults - Causes and Solutions ......................... 49
11. Motor Operating Instructions .......................... 50
Sectional drawing LMN - Design up to 7,5 kW motor
power.........................................................................52
Sectional drawing LMN - Design from 11 kW up to 55
kW motor power........................................................54
Sectional drawing LM - Design up to 4 kW motor
power.........................................................................56
Sectional drawing LM - Design from 5,5 kW up to 22
kW motor power........................................................58
Sectional drawing LM - Design from 30 kW motor
power and Types 125 LM 315 U and 150 LM 250
U................................................................................60
Weights......................................................................62