5.1 MAINTENANCE SCHEDULE
5.1.0 General
The purpose of the general maintenance schedule below is to help establish the maintenance schedule particular to the
installation. The suggestions and recommendations are to be followed as closely as possible in order to maintain the machine
efficiency and in order not to reduce the service life of the machine.
The maintenance operations are detailed in the chapters relative to the concerned subjects.
Task duration are for information only
Hours Comments Task duration
Major overhaul 40 000 Or 5 to 7 years following site conditions 4 weeks
5.1.1 Stator
Winding temperature 24 Daily operation, (without gen stop)Refer to 2.1.3.2
Insulation 8000 (*1) Refer to 5.10
4hrs
Polarisation index 8000 (*1) Refer to 5.10.4
Bolts tightening 8000 (*1) Refer to 5.8 2 hrs
Winding visual inspection 8000 (*1) Refer to 5.10 1 hr
Stator RTD function 8000 (*1) Refer to 2.1.3.2
Cleaning air inlet and outlet 1000 (*1) Refer to 5.7
(*1) : Or once a year whichever come first
5.1.2 Rotor
Insulation 8000 (*1) Refer to 5.10
0.5 hr
Polarisation index 8000 (*1) Refer to 5.10.4
Winding visual inspection 8000 (*1)
Cleaning diodes 8000 (*1)
0.5 hr
Diodes and varistor check 8000 (*1)
Diodes tightening 8000 (*1)
(*1) : Or once a year whichever come first
5.1.3 Terminal box
Cleaning 8000 (*1) 0.5 hr
Regulator assembly & supports 8000 (*1) Applicable if mounted in the terminal box
Bolts tightening 8000 (*1) 1.5 hrs
E
lectric Power Generation
Installation and maintenance
5654 en - 2017.10 / a
LSA 52.2 MHV
Industrial Range Alternators - 4 pole
22
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