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11866576 Installation, Operation and Maintenance Manual – Synchronous Motors – S Line – Brushless – Horizontal l 9
7.4.2 Re-impregnation ................................................................................................................................. 40
7.4.3 Insulation resistance ............................................................................................................................ 40
7.5 COOLING SYSTEM MAINTENANCE ............................................................................................... 40
7.6 RADIATOR MAINTENANCE ............................................................................................................ 40
7.7 VIBRATION ..................................................................................................................................... 40
7.8 SHAFT GROUNDING DEVICE ......................................................................................................... 40
7.9 EXCITER MAINTENANCE ................................................................................................................ 40
7.9.1 Exciter ................................................................................................................................................ 40
7.9.2 Insulation resistance ............................................................................................................................ 40
7.9.3 Diode test ........................................................................................................................................... 40
7.9.3.1 Diode Replacement ............................................................................................................. 41
7.9.4 Thyristor test ....................................................................................................................................... 41
7.9.4.1 Thyristor replacement .......................................................................................................... 41
7.10 BEARING MAINTENANCE .............................................................................................................. 42
7.10.1 Grease-lubricated rolling bearings ....................................................................................................... 42
7.10.1.1 Lubrication instructions ........................................................................................................ 42
7.10.1.2 Procedures for rolling bearing relubrication .......................................................................... 42
7.10.1.3 Rolling bearing relubrication with drawer device for grease removal ..................................... 42
7.10.1.4 Type and amount of grease ................................................................................................. 43
7.10.1.5 Grease compatibility ............................................................................................................ 43
7.10.1.6 Bearing disassembly ........................................................................................................... 43
7.10.1.7 Bearing assembly ................................................................................................................. 44
7.10.2 Oil-lubricated rolling bearing ................................................................................................................ 44
7.10.2.1 Lubrication instructions ........................................................................................................ 44
7.10.2.2 Oil type.......... ...................................................................................................................... 44
7.10.2.3 Oil change...... ..................................................................................................................... 44
7.10.2.4 Bearing operation ................................................................................................................. 45
7.10.2.5 Bearing disassembly ........................................................................................................... 45
7.10.2.6 Bearing assembly ................................................................................................................ 45
7.10.3 Sleeve bearings. ................................................................................................................................. 46
7.10.3.1 Bearing data.. ...................................................................................................................... 46
7.10.3.2 Bearing installation and operation ........................................................................................ 46
7.10.3.3 Cooling by water circulation ................................................................................................. 46
7.10.3.4 Oil change...... ..................................................................................................................... 46
7.10.3.5 Sealings........ ...................................................................................................................... 46
7.10.3.6 Sleeve bearing operation ..................................................................................................... 47
7.10.3.7 Sleeve bearing maintenance ................................................................................................ 47
7.10.4 Protection setting ................................................................................................................................ 47
7.10.5 Disassembly/assembly of the bearing temperature sensors ................................................................. 47
8 MOTOR DISASSEMBLY AND ASSEMBLY ........................................................... 48
8.1 DISASSEMBLY ............................................................................................................................... 48
8.2 ASSEMBLY ..................................................................................................................................... 48
8.3 TIGHTENING TORQUE ................................................................................................................... 48
8.4 AIR GAP MEASURMENT ................................................................................................................ 49
8.5 SPARE PARTS ................................................................................................................................ 49
9 MAINTENANCE PLAN ......................................................................................... 50
10 ABNORMALITIES, CAUSES AND SOLUTIONS ..................................................... 51
11 DECLARATION OF CONFORMITY ....................................................................... 53
12 ENVIRONMENTAL INFORMATION ....................................................................... 54
12.1 PACKAGE ....................................................................................................................................... 54
12.2 PRODUCT ....................................................................................................................................... 54
12.3 HAZARDOUS WASTE ..................................................................................................................... 54
13 WARRANTY TERM ............................................................................................. 55
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