WEG WGM, Installation, Operation And Maintanance Manual

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11239449 Installation, operation and maintenance manual – Squirrel cage motor – W Line - Horizontal and vertical l 9
7.9 ENCODER MAINTENANCE ............................................................................................................. 38
7.10 BEARING MAINTENANCE .............................................................................................................. 39
7.10.1 Grease-lubricated rolling bearings ....................................................................................................... 39
7.10.1.1 Instructions for lubrication .................................................................................................... 39
7.10.1.2 Procedures for rolling bearing relubrication .......................................................................... 39
7.10.1.3 Rolling bearing relubrication with drawer device for grease removal ..................................... 39
7.10.1.4 Type and amount of grease ................................................................................................. 39
7.10.1.5 Alternative greases .............................................................................................................. 40
7.10.1.6 Procedure for changing the grease ...................................................................................... 42
7.10.1.7 Low temperature greases .................................................................................................... 42
7.10.1.8 Grease compatibility ............................................................................................................ 42
7.10.1.9 Disassembly – horizontal bearings ....................................................................................... 42
7.10.1.10 Disassembly – vertical bearings ........................................................................................... 43
7.10.1.10.1 Before disassembling ...................................................................................... 43
7.10.1.10.2 Lower bearing disassembly ............................................................................. 44
7.10.1.10.3 Upper bearing disassembly ............................................................................. 44
7.10.1.11 Bearing assembly ................................................................................................................ 44
7.10.2 Rolling bearing replacement ................................................................................................................ 44
7.10.3 Bearing protection .............................................................................................................................. 45
7.10.3.1 Protection settings .............................................................................................................. 45
7.10.3.2 Disassembly/assembly of the bearing temperature sensors ................................................. 45
8 MOTOR DISASSEMBLY AND ASSEMBLY ........................................................... 46
8.1 HORIZONTAL MOTORS ................................................................................................................. 46
8.1.1 Disassembly ....................................................................................................................................... 46
8.1.2 Assembly. ........................................................................................................................................... 46
8.2 VERTICAL MOTORS ....................................................................................................................... 47
8.2.1 Disassembly ....................................................................................................................................... 47
8.2.2 Assembly. ........................................................................................................................................... 47
8.3 AIR-GAP MEASUREMENT .............................................................................................................. 48
8.4 TIGHTENING TORQUE ................................................................................................................... 48
8.5 SPARE PARTS ................................................................................................................................ 48
9 MAINTENANCE PLAN ......................................................................................... 49
10 ABNORMALITIES, CAUSES AND SOLUTIONS ..................................................... 50
11 DECLARATION OF CONFORMITY ....................................................................... 52
12 ENVIRONMENTAL INFORMATION ....................................................................... 53
12.1 PACKAGE ....................................................................................................................................... 53
12.2 PRODUCT ....................................................................................................................................... 53
12.3 HAZARDOUS WASTE ..................................................................................................................... 53
13 WARRANTY TERM ............................................................................................. 54