English (GB) Installation and operating instructions
Original installation and operating instructions
Table of contents
1. General information ............. 5
1.1 Hazard statements .............. 5
1.2 Notes ..................... 5
2. Delivery and handling ............ 6
2.1 Receiving ................... 6
2.2 Handling.................... 6
2.3 Temporary storage .............. 7
3. Mechanical installation ........... 8
3.1 Location .................... 8
3.2 Foundation .................. 8
3.3 Pump flexible installation and connection .. 9
4. Electrical installation ............10
4.1 Motors, general ................10
5. Piping .....................11
5.1 General precaution ..............11
5.2 Suction piping .................11
5.3 Discharge piping ...............12
5.4 Pressure gauges installation .........12
5.5 General information of shaft sealing .....12
5.6 Packing gland adjustment ..........12
5.7 Mechanical shaft seals ............13
5.8 Coupling alignment ..............13
5.9 Spacer coupling installation .........20
5.10 Installing coupling guard ...........23
6. Operation ...................25
6.1 Priming ....................25
6.2 Pre-start checklist ...............25
6.3 Motor rotation .................25
6.4 Starting the pump ...............25
6.5 Pump shutdown................26
6.6 Short duration shutdown ...........26
6.7 Extended period shutdown ..........26
7. Pump identification .............26
7.1 Nameplate...................26
8. Lubrication and maintenance .......27
8.1 Motor lubrication ...............27
8.2 Pump lubrication ...............27
8.3 Stuffing box packing shaft seal-water
lubrication ...................30
8.4 Packing maintenance .............30
9. Disassembly for maintenance .......30
10. Bearing, seal and packing
replacement .................30
10.1 Bearing replacement .............30
10.2 Mechanical shaft seal replacement .....31
10.3 Replacing the stuffing.............31
11. Disassembly and assembly of LS
pumps ....................32
11.1 Dismantling the pump.............32
11.2 Assembly of LS pumps ............33
12. Component inspection ...........33
13. Ordering parts ................33
14. Construction .................34
14.1 Structure type 1 ................34
14.2 Structure type 2 ................36
14.3 Structure type 3 ................38
14.4 Structure type 4 ................40
15. Fault finding the product ..........41
15.1 The pump delivers no liquid .........41
15.2 The pump does not deliver enough liquid ..41
15.3 The pump does not create enough
pressure ....................42
15.4 The pump loses liquid after running for a
short time ...................43
15.5 The pump consumes too much power ....43
15.6 The motor is overloaded ...........44
15.7 Vibrations ...................44
15.8 Cavitation noise ................45
15.9 The pump bearings are overheated .....45
15.10 The pump operates for a short time and
then stops ...................45
16. Disposing of the product ..........46
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English (GB)
