ABB AMA Manual page 13

Manual for High Voltage Process Performance Motors
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7.3.1 Recommended maintenance program ..................................................... 49
7.3.1.1
7.3.1.2
7.3.1.3
7.3.1.4
7.4 Maintenance of general constructions...................................................................... 51
7.4.1 The tightness of fastenings...................................................................... 51
7.4.2 Vibration and noise ................................................................................. 52
7.4.3 Vibrations................................................................................................ 53
7.4.3.1
7.4.3.2
7.4.3.3
7.5 Maintenance of bearings and lubrication system ..................................................... 55
7.5.1 Rolling bearings ...................................................................................... 56
7.5.1.1
7.5.1.2
7.5.1.3
7.5.1.4
7.5.1.5
7.5.1.6
7.6 Maintenance of stator and rotor windings................................................................ 59
7.6.1 Particular safety instructions for winding maintenance .......................... 60
7.6.2 The timing of the maintenance................................................................ 60
7.6.3 The correct operating temperature .......................................................... 61
7.6.4 Insulation resistance test ......................................................................... 61
7.6.4.1
7.6.4.2
7.6.4.3
7.6.4.4
7.6.5 Insulation resistance measurement for auxiliaries .................................. 64
7.6.6 The polarization index............................................................................. 65
7.6.7 Other maintenance operations................................................................. 65
7.7 Repairs, disassembly and assembly ......................................................................... 65
Chapter 8 - Trouble Shooting
8.1 Trouble shooting ...................................................................................................... 66
8.1.1 Mechanical performance......................................................................... 67
8.1.2 Lubrication system and bearings............................................................. 68
8.1.2.1
8.1.3 Thermal performance .............................................................................. 69
8.1.3.1
8.2 Electrical performance, excitation, control and protection ...................................... 69
8.2.1 Protection trips ........................................................................................ 69
8.2.2 Pt-100 resistance temperature detectors.................................................. 70
Chapter 9 - After Sales Support and Spare Parts
9.1 After Sales................................................................................................................ 72
9.1.1 Site Services ............................................................................................ 72
9.1.2 Spare Parts............................................................................................... 72
9.1.3 Support and Warranties........................................................................... 72
General construction......................................................... 49
Stator and rotor ................................................................. 50
Auxiliaries ........................................................................ 50
Lubrication system and bearings ...................................... 51
Measurement procedures and operational conditions ...... 53
Classification according to support flexibility ................. 54
Evaluation......................................................................... 54
Bearing construction......................................................... 56
Bearing plate..................................................................... 56
Re-greasing intervals ........................................................ 56
Re-greasing....................................................................... 57
Bearing grease .................................................................. 58
Bearing maintenance ........................................................ 59
Conversion of measured insulation resistance values ...... 61
General considerations ..................................................... 63
Minimum values for insulation resistance........................ 63
Stator winding insulation resistance measurement........... 63
Lubrication system and rolling bearings .......................... 68
Thermal performance, rib cooled ..................................... 69
3BFP 000 063 R0101 REV D