WEG WGM20 Series, Installation, Operation & Manintenance Manual

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14108242 Installation, operation and maintenance manual – Squirrel cage motor – WGM20 Line l 9
7.10 BEARING MAINTENANCE .............................................................................................................. 36
7.10.1 Bearing data ....................................................................................................................................... 36
7.10.2 Instructions for lubrication ................................................................................................................... 36
7.10.3 Procedures for bearing lubrication ....................................................................................................... 36
7.10.4 Type and amount of grease ................................................................................................................ 37
7.10.5 Alternative greases .............................................................................................................................. 37
7.10.6 Procedure for changing the grease ..................................................................................................... 37
7.10.7 Low temperature greases ................................................................................................................... 38
7.10.8 Grease compatibility ........................................................................................................................... 38
7.10.9 Bearing disassembly ........................................................................................................................... 38
7.10.9.1 DE horizontal bearing disassembly ...................................................................................... 39
7.10.9.2 NDE horizontal bearing disassembly .................................................................................... 39
7.10.9.3 DE vertical bearing disassembly .......................................................................................... 40
7.10.9.4 NDE vertical bearing disassembly ........................................................................................ 40
7.10.9.5 Bearing assembly ................................................................................................................ 41
7.10.9.6 Bearing insulation ................................................................................................................ 41
7.10.10Rolling bearing replacement ................................................................................................................ 41
7.10.11Bearing protection .............................................................................................................................. 41
7.10.11.1 Protection settings .............................................................................................................. 41
7.11 ACCESSORIES MAINTENANCE ....................................................................................................... 42
8 MOTOR DISASSEMBLY AND ASSEMBLY .......................................................... 43
8.1 HORIZONTAL MOTORS.................................................................................................................. 43
8.1.1 Disassembly ....................................................................................................................................... 43
8.1.2 Assembly ............................................................................................................................................ 43
8.2 VERTICAL MOTORS ....................................................................................................................... 44
8.2.1 Disassembly ....................................................................................................................................... 44
8.2.2 Assembly ............................................................................................................................................ 44
8.3 AIR-GAP MEASUREMENT .............................................................................................................. 45
8.4 TIGHTENING TORQUE ................................................................................................................... 45
8.5 SPARE PARTS ................................................................................................................................ 45
8.5.1 Necessary spare parts ........................................................................................................................ 45
8.5.2 Optional spare parts ........................................................................................................................... 45
9 MAINTENANCE PLAN ....................................................................................... 46
10 ABNORMALITIES, CAUSES AND SOLUTIONS ................................................... 47
11 ENVIRONMENTAL INFORMATION ..................................................................... 48
11.1 PACKAGE ....................................................................................................................................... 48
11.2 PRODUCT ....................................................................................................................................... 48
11.3 HAZARDOUS WASTE ..................................................................................................................... 48
12 DECLARATION OF CONFORMITY ..................................................................... 49
13 SERVICE NETWORK ........................................................................................ 50
14 WARRANTY TERM ........................................................................................... 50