Flowserve Twin Screw Rotary - Manual (Page 2)

TWIN SCREW PUMPS. ORIGINAL USER INSTRUCTIONS. ENGLISH. 71569243 – 07/10
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CONTENTS
PAGE
1 INTRODUCTION AND SAFETY ........................... 1
1.1 General ........................................................... 1
1.2 CE marking and approvals.............................. 1
1.3 Disclaimer ....................................................... 1
1.4 Copyright......................................................... 1
1.5 Duty conditions................................................ 1
1.6 Safety .............................................................. 2
1.7 Nameplate and warning labels........................ 6
1.8 Specific machine performance........................ 7
1.9 Noise level....................................................... 7
2 TRANSPORT AND STORAGE ............................. 8
2.1 Consignment receipt and unpacking............... 8
2.2 Handling .......................................................... 8
2.3 Lifting............................................................... 8
2.4 Storage............................................................ 8
2.5 Recycling and end of product life.................... 9
3 PUMP DESCRIPTION........................................... 9
3.1 Configurations ................................................. 9
3.2 Name structure................................................ 9
NJHP................... 9
3.3 Design of major parts ...................................... 9
3.4 Performance and operating limits ................. 10
3.5 Table of Engineering Data............................. 11
4 INSTALLATION.................................................... 20
4.1 Location......................................................... 20
4.2 Part assemblies............................................. 20
4.3 Foundation .................................................... 20
4.4 Baseplate installation .................................... 20
4.5 Initial alignment ............................................. 21
4.6 Grouting ........................................................ 23
4.7 Piping ............................................................ 23
4.8 Pressure gauges ........................................... 25
4.9 Final shaft alignment check .......................... 25
4.10 Electrical connections ................................. 25
4.11 Protection systems ...................................... 25
5 COMMISSIONING, START-UP, OPERATION AND
SHUTDOWN .................................................... 26
5.1 Pre-commissioning procedure ...................... 26
5.2 Lubricants..................................................... 26
5.3 Direction of rotation ....................................... 28
5.4 Guarding ....................................................... 28
5.5 Priming and auxiliary supplies ...................... 28
5.6 Starting the pump .......................................... 28
5.7 High Temperature Startup.............................. 29
5.8 Post start-up .................................................. 29
5.9 Running the pump......................................... 29
5.10 Stopping and shutdown............................... 30
5.11 Hydraulic, mechanical and electrical duty ... 31
6 MAINTENANCE................................................... 33
6.1 General ......................................................... 33
6.2 Maintenance schedule .................................. 33
6.3 Spare parts .................................................... 34
6.4 Tools required ............................................... 36
6.5 Torques for fasteners.................................... 36
6.6 Renewal clearances ..................................... 37
6.7 Disassembly .................................................. 37
6.8 Examination of parts ..................................... 38
6.9 Assembly ...................................................... 38
6.10 New Rotating Elements .............................. 40
6.11 Free Movement........................................... 41
6.12 Timing Gear Replacement.......................... 41
7 FAULTS; CAUSES AND REMEDIES .................. 44
8 PARTS LIST AND DRAWINGS ........................... 46
8.1 Sectional Drawings-Typical............................ 46
8.2 General Arrangement Drawing ..................... 51
9 CERTIFICATION ................................................. 52
10 OTHER RELEVANT DOCUMENTATION AND
MANUALS ....................................................... 52
10.1 Supplementary User Instruction manuals... 52
10.2 Change notes ............................................. 52
10.3 Additional sources of information................ 52
11.0 OPTIONAL EQUIPMENT AND
ARRANGEMENTS .......................................... 52
11.1 Jacketed components................................. 52
11.2 Vertical mountings ...................................... 52