WEG M line Series, Installation, Operation And Maintenance Manual

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11371757 Installation, operation and maintenance manual – Squirrel cage motor – M line – Vertical
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TABLE OF CONTENTS
1 INTRODUCTION ............................................................................................... 11
1.1 SAFETY WARNINGS IN THE MANUAL ........................................................................................... 11
2 GENERAL INSTRUCTIONS ............................................................................... 12
2.1 QUALIFIED PERSONNEL ................................................................................................................ 12
2.2 SAFETY INSTRUCTIONS ................................................................................................................ 12
2.3 STANDARDS ................................................................................................................................... 12
2.4 ENVIRONMENTAL CONDITIONS .................................................................................................... 13
2.5 OPERATING CONDITIONS ............................................................................................................. 13
2.6 VOLTAGE AND FREQUENCY ......................................................................................................... 13
3 RECEIVING, HANDLING AND STORAGE ........................................................... 14
3.1 RECEIVING ..................................................................................................................................... 14
3.2 HANDLING ...................................................................................................................................... 14
3.2.1 Motor positioning ................................................................................................................................ 15
3.3 STORAGE ....................................................................................................................................... 15
3.3.1 Outdoor storage ................................................................................................................................. 15
3.3.2 Extended storage ............................................................................................................................... 15
3.3.2.1 Storage location .................................................................................................................. 15
3.3.2.1.1 Indoor storage ................................................................................................ 16
3.3.2.1.2 Outdoor storage ............................................................................................. 16
3.3.2.2 Separate parts .................................................................................................................... 16
3.3.3 Preservation during the storage ........................................................................................................... 16
3.3.3.1 Space heater ....................................................................................................................... 16
3.3.3.2 Insulation resistance ............................................................................................................ 16
3.3.3.3 Exposed machined surfaces ................................................................................................ 16
3.3.3.4 Sealing ................................................................................................................................ 16
3.3.3.5 Bearings .............................................................................................................................. 17
3.3.3.5.1 Grease-lubricated rolling bearing ..................................................................... 17
3.3.3.5.2 Oil-lubricated rolling bearing ............................................................................ 17
3.3.3.5.3 Sleeve bearing ................................................................................................ 17
3.3.3.6 Terminal boxes .................................................................................................................... 17
3.3.3.7 Air-water heat exchanger .................................................................................................... 18
3.3.3.8 Cleanliness and conservation of the motor during storage ................................................... 18
3.3.3.9 Inspections and records during storage ............................................................................... 18
3.3.3.10 Predictive / preventive maintenance..................................................................................... 18
3.3.3.11 Maintenance plan during storage ......................................................................................... 19
3.3.4 Preparation for commissioning ............................................................................................................ 20
3.3.4.1 Cleaning .............................................................................................................................. 20
3.3.4.2 Bearing inspection ............................................................................................................... 20
3.3.4.3 Bearing lubrication ............................................................................................................... 20
3.3.4.4 Insulation resistance verification ........................................................................................... 20
3.3.4.5 Air-water heat exchanger .................................................................................................... 20
3.3.4.6 Others ................................................................................................................................. 20
4 INSTALLATION ................................................................................................. 21
4.1 INSTALLATION SITE ....................................................................................................................... 21
4.2 SHAFT LOCK .................................................................................................................................. 21
4.2.1 Axial lock ............................................................................................................................................ 21
4.2.2 Radial lock .......................................................................................................................................... 21
4.2.3 Procedure for replacing the radial locking device ................................................................................. 21
4.3 ROTATION DIRECTION ................................................................................................................... 21
4.4 INSULATION RESISTANCE ............................................................................................................. 22
4.4.1 Safety Instructions .............................................................................................................................. 22
4.4.2 General considerations ....................................................................................................................... 22
4.4.3 Measurement on the stator windings................................................................................................... 22
4.4.4 Additional Information ......................................................................................................................... 22
4.4.5 Polarization Index ................................................................................................................................ 22
4.4.6 Conversion of the measured values ..................................................................................................... 23
4.4.7 Insulation assessment ......................................................................................................................... 23
4.5 PROTECTIONS ............................................................................................................................... 23
4.5.1 Thermal protections ............................................................................................................................ 23
4.5.1.1 Temperature limits for the windings ..................................................................................... 24