
LCV [en-US]
3
Contents
Section Page Section Page
1General 5
2Safety 6
2.1Safety Markings 6
2.2Personnel Qualification and Training 6
2.3Non-compliance with Safety Instructions 7
2.4Safety Awareness 7
2.5Safety Instructions for Operators 7
2.6Safety Instructions for Maintenance, Inspection &
Installation 7
2.7Unauthorized Modification and Manufacture of Spare Parts 7
2.8Unauthorized Modes of Operation 7
2.9Assembly & Disassembly Safety 7
3Transport and Storage 9
3.1Transport & Handling Safety 9
3.2Storage Requirements 9
3.2.1Storage of New Pumps - Pumps under Warranty 9
3.2.2Pump Storage 9
3.2.3Pump Parts Storage 10
3.2.4Removal from Storage 11
3.3Recommended Lifting 12
4Description 13
4.1Technical Specification 13
4.2Designation 13
4.3Design Features 13
4.4Noise Characteristics 14
4.5Accessories 14
4.6Dimensions and Weights 14
4.7Forces and Moments at Nozzles 14
5Installation at Site 15
5.1Safety Regulations 15
5.2Foundation 15
5.3Installing the Baseplate and Pump 15
5.3.1Aligning the Pump / Drive Train for Horizontal Pump
Application 15
5.3.2Place of Installation 16
5.4Connecting the Piping 16
5.4.1Auxiliary Connections 16
5.5Safety Guards 17
5.6Oil Temperature Monitoring 17
5.7Final Check 17
5.8Connection to Power Supply 17
6Commissioning / Operation 18
6.1Commissioning / Return to Service 18
6.1.1Bearing Lubrication 19
6.1.2Shaft Seal Commissioning 19
6.1.3Checking the Direction of Rotation 19
6.1.4Cleaning the Plant Piping 19
6.1.5Suction Strainer 19
6.2Start-up 20
6.2.1Priming the Pump 20
6.3Shutdown 21
6.3.1Measures to be taken for Prolonged Shutdown 21
6.4Operating Limits 21
6.4.1Temperature Limits 21
6.4.2Switching Frequency 22
6.4.3Density of the Medium Handled 22
6.4.4ZW Pump Additional Limits 22
7Maintenance 23
7.1Supervision of Operation 23
7.2Drainage / Disposal 23
7.3Lubrication and Lubricant Change 23
7.4Procedures for Maximum Parts Life 24
7.5Operational Problems and Solutions 24
8Mechanical End 26
8.1Mechanical End Overview 26
8.2Mechanical End Disassembly 27
8.3Mechanical End Assembly 27
8.3.1Mounting the Bearings 28
8.3.2Back to Back Thrust Bearing Installation 28
8.3.3Face to Face Thrust Bearing Installation 29
8.3.4Installing End Covers and Seals 30
8.4Bearing Assembly Mounting 30
9Shaft Seal 31
9.1Seal Plate 31
9.1.1Seal Plate Assembly (LCV Only) 31
10Wet End 32
10.1Wet End Overview 32
10.2Wet End Disassembly 32
10.2.1Impeller Removal 32
10.2.2Impeller Break-Loose Device 32
10.2.3Impeller Removal with Impeller Lifting Device 33
10.2.4Casing Removal 33
10.3Wet End Assembly 33
10.3.1Mounting the Shaft Sleeve 33
10.3.2Mounting the Casing 33
10.3.3Impeller Installation 34
10.4Setting the Nose Gap 34
10.4.1Nose Gap Adjustment (Frame Size 1 & 2) 34
10.4.2Nose Gap Adjustment (Frame Size 3 & 4) 35
11Tooling 36
11.1Torque Requirements 36
11.2Spare Parts Stock 37
12Troubleshooting 38
14Notes 40