Maintenance Schedule; General; Stator; Rotor - Nidec LEROY-SOMER LSA 52.2 MHV Installation And Maintenance Manual

Electric Power Generation

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
Major overhaul

5.1.1 Stator

Winding temperature
Insulation
Polarisation index
Bolts tightening
Winding visual inspection
Stator RTD function
Cleaning air inlet and outlet
(*1) : Or once a year whichever come first

5.1.2 Rotor

Insulation
Polarisation index
Winding visual inspection
Cleaning diodes
Diodes and varistor check
Diodes tightening
(*1) : Or once a year whichever come first

5.1.3 Terminal box

Cleaning
Regulator assembly & supports
Bolts tightening
Installation and maintenance
LSA 52.2 MHV
Industrial Range Alternators - 4 pole
Hours Comments
40 000 Or 5 to 7 years following site conditions
Hours Comments
24 Daily operation, (without gen stop)Refer to 2.1.3.2
8000 (*1) Refer to 5.10
8000 (*1) Refer to 5.10.4
8000 (*1) Refer to 5.8
8000 (*1) Refer to 5.10
8000 (*1) Refer to 2.1.3.2
1000 (*1) Refer to 5.7
8000 (*1) Refer to 5.10
8000 (*1) Refer to 5.10.4
8000 (*1)
8000 (*1)
8000 (*1)
8000 (*1)
8000 (*1)
8000 (*1)
Applicable if mounted in the terminal box
8000 (*1)
a
5654 en - 2017.10 /
Task duration
4 weeks
Task duration
4hrs
2 hrs
1 hr
0.5 hr
0.5 hr
0.5 hr
1.5 hrs
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