Flowserve LNN - Manual (Page 2)

LNN, LNNV, LNNC USER INSTRUCTIONS ENGLISH 71569074 06-14
Page 2 of 56
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CONTENTS
Page
1 INTRODUCTION AND SAFETY .......................... 4
1.1 General ........................................................... 4
1.2 CE marking and approvals.............................. 4
1.3 Disclaimer ....................................................... 4
1.4 Copyright ......................................................... 4
1.5 Duty conditions ............................................... 4
1.6 Safety .............................................................. 5
1.7 Nameplate and safety labels .......................... 8
1.8 Specific machine performance ....................... 9
2 TRANSPORT AND STORAGE .......................... 10
2.1 Consignment receipt and unpacking ............ 10
2.2 Handling ........................................................ 10
2.3 Lifting ............................................................. 10
2.4 Storage.......................................................... 10
2.5 Recycling and end of product life .................. 10
3 PUMP DESCRIPTION ........................................ 11
3.1 Configurations ................................................ 11
3.2 Name nomenclature ....................................... 11
3.3 Design of major parts ..................................... 11
3.4 Performance and operating limits ................. 12
4 INSTALLATION .................................................. 13
4.1 Location......................................................... 13
4.2 Part assemblies ............................................ 13
4.3 Foundation .................................................... 13
4.4 Grouting ........................................................ 14
4.5 Initial alignment ............................................. 14
4.6 Piping ............................................................ 15
4.7 Final shaft alignment check .......................... 19
4.8 Electrical connections ................................... 19
4.9 Protection systems ........................................ 20
5 COMMISSIONING, START-UP, OPERATION
AND SHUTDOWN ............................................. 20
5.1 Pre-commissioning procedure ...................... 20
5.2 Pump lubricants ............................................ 21
5.3 Direction of rotation ....................................... 22
5.4 Guarding ....................................................... 22
5.5 Priming and auxiliary supplies ...................... 23
5.6 Starting the pump .......................................... 23
5.7 Running the pump ......................................... 23
5.8 Stopping and shutdown ................................ 25
5.9 Hydraulic, mechanical and electrical duty..... 25
Page
6 MAINTENANCE ................................................. 26
6.1 General .......................................................... 26
6.2 Maintenance schedule .................................. 26
6.3 Spare parts .................................................... 29
6.4 Recommended spares and
consumable items.......................................... 29
6.5 Tools required ................................................ 29
6.6 Fastener torques ........................................... 29
6.7 Renewal clearances ...................................... 30
6.8 Disassembly .................................................. 30
6.9 Examination of parts ...................................... 32
6.10 Assembly ....................................................... 32
7 FAULTS; CAUSES AND REMEDIES ................. 37
8 PARTS LISTS AND DRAWINGS ........................ 39
8.1 LNN and LNNC – grease lubricated, gland
packed and component mechanical seal
option – sizes up to 350 mm discharge ......... 39
8.2 LNN and LNNC – grease lubricated and
gland packed option – sizes greater than
350 mm discharge ......................................... 42
8.3 LNNV sleeve bearing type –
grease lubricated, component mechanical
seal and gland packed option
– sizes up to 350 mm discharge .................... 46
8.4 LNNV sleeve bearing type –
grease lubricated and gland packed option
– sizes greater than 350 mm discharge ........ 49
8.5 General arrangement drawing ....................... 51
9 CERTIFICATION ................................................ 51
10 OTHER RELEVANT DOCUMENTATION
AND MANUALS .................................................. 52
10.1 Supplementary User Instructions .................. 52
10.2 Change notes ................................................ 52
10.3 Additional sources of information .................. 52