Summary of Contents for Nidec LEROY-SOMER LSA 52.3
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LSA 52.3 Low Voltage Alternator - 4 pole Installation and maintenance...
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Installation and maintenance Electric Power Generation 5245 en - 2021.09 / l LSA 52.3 Low Voltage Alternator - 4 pole This manual concerns the alternator which you have just purchased. We wish to draw your attention to the contents of this maintenance manual. SAFETY MEASURES a) During operation, do not allow anyone to stand in front of the air outlet guards,...
Installation and maintenance Electric Power Generation 5245 en - 2021.09 / l LSA 52.3 Low Voltage Alternator - 4 pole 1 - RECEIPT 1.4 - Storage Prior to commissioning, machines should 1.1 - Standards and safety be stored: measures - away from humidity (< 90%); after a long alternators comply with...
Installation and maintenance Electric Power Generation 5245 en - 2021.09 / l LSA 52.3 Low Voltage Alternator - 4 pole 2 - TECHNICAL 2.2 - Mechanical characteristics CHARACTERISTICS - Steel frame - Cast iron end shields 2.1 - Electrical characteristics - Single bearing standard alternator: regreasable roller bearing This alternator is a machine without...
Installation and maintenance Electric Power Generation 5245 en - 2021.09 / l LSA 52.3 Low Voltage Alternator - 4 pole 3 - INSTALLATION • Single-bearing coupling Before coupling, check the compatibility Personnel undertaking various between the alternator and the engine by operations indicated in this section must performing: wear personal protective equipment...
Installation and maintenance Electric Power Generation 5245 en - 2021.09 / l LSA 52.3 Low Voltage Alternator - 4 pole There are 2 possible methods for restoring - the cooling air is drawn in freely, the above minimum values. - the protective grille and housing are cor- a) Dry out the machine for 24 hours in a rectly in place, drying oven at a temperature of 110 °C...
Installation and maintenance Electric Power Generation 5245 en - 2021.09 / l LSA 52.3 Low Voltage Alternator - 4 pole • Connection checks 3.4 - Commissioning Electrical installations must comply with the current legislation in force in the The machine can only be started up and country of use.
Installation and maintenance Electric Power Generation 5245 en - 2021.09 / l LSA 52.3 Low Voltage Alternator - 4 pole 4 - SERVICING - MAINTENANCE WARNING 4.1 - Safety measures Do not use: trichlorethylene, perchlo- Servicing or troubleshooting must be rethylene, trichloroethane or any alkaline carried out strictly in accordance with products.
Installation and maintenance Electric Power Generation 5245 en - 2021.09 / l LSA 52.3 Low Voltage Alternator - 4 pole 4.3 - Bearings As an standard, the bearings are Regreasing interval: 1700 hrs of operation regreasable DE bearing: Amount of grease: 70 gr NDE bearing: Amount of grease: 35 gr Standard grease MOBIL POLYREX™...
Installation and maintenance Electric Power Generation 5245 en - 2021.09 / l LSA 52.3 Low Voltage Alternator - 4 pole 4.5 - Electrical faults Fault Action Effect Check/Cause The alternator builds up and its voltage is still correct - Lack of residual magnetism when the battery is removed Connect a new battery of 4 to 12...
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Installation and maintenance Electric Power Generation 5245 en - 2021.09 / l LSA 52.3 Low Voltage Alternator - 4 pole • Checking the winding Assembly A: Connect a 12 V battery in series with a rheostat of approximately You can check the winding insulation by 50 ohms - 300 W and a diode on both exciter performing a high voltage test.
Installation and maintenance Electric Power Generation 5245 en - 2021.09 / l LSA 52.3 Low Voltage Alternator - 4 pole 4.6 - Dismantling, reassembly - Change the crescents, respecting the polarity. WARNING • Access to connections and the regulation system During warranty period,...
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Installation and maintenance Electric Power Generation 5245 en - 2021.09 / l LSA 52.3 Low Voltage Alternator - 4 pole - Slide the threaded rod into the shield hole - Screw two threaded rods into the thrust to make it easier to assemble (see basic bearing.
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Installation and maintenance Electric Power Generation 5245 en - 2021.09 / l LSA 52.3 Low Voltage Alternator - 4 pole • Reassembling the machine - Mount the rotor (4) in the stator (1) (see drawing above) taking care not to knock the windings.
Installation and maintenance Electric Power Generation 5245 en - 2021.09 / l LSA 52.3 Low Voltage Alternator - 4 pole 4.7 - Installation and maintenance of Field excitation current i exc (A) AREP - 400V - 50 Hz the PMG “i exc”: excitation current of the exciter field The PMG reference is PMG 8.
Installation and maintenance Electric Power Generation 5245 en - 2021.09 / l LSA 52.3 Low Voltage Alternator - 4 pole 5 - SPARE PARTS 5.1 - First maintenance parts Emergency repair kits are available as an After operational testing, it is essential to option.
Installation and maintenance Electric Power Generation 5245 en - 2021.09 / l LSA 52.3 Low Voltage Alternator - 4 pole 5.4 - Exploded views, parts list and tightening torque • Single bearing...
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Installation and maintenance Electric Power Generation 5245 en - 2021.09 / l LSA 52.3 Low Voltage Alternator - 4 pole • Two-bearing...
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Installation and maintenance Electric Power Generation 5245 en - 2021.09 / l LSA 52.3 Low Voltage Alternator - 4 pole Screw Torque Screw Torque Ref. Qty Description Ref. Qty Description Ø Ø Stator assembly Air guide Rotor assembly Exciter field (stator) Air inlet cover IP21 Lifting eye Air inlet cover IP23...
Installation and maintenance Electric Power Generation 5245 en - 2021.09 / l LSA 52.3 Low Voltage Alternator - 4 pole Disposal and recycling instructions All materials listed above need special treatment separate waste from committed limiting reclaimable materials and should be environmental impact of our activity.
16015 Angoulême Boite Postale 1517 République Tchèque France 45800 St Jean de Braye France LEROY-SOMER ELECTRO- NIDEC INDUSTRIAL AUTOMATION NIDEC INDUSTRIAL AUTOMATION TECHNIQUE Co., Ltd INDIA PRIVATE Ltd - BANGALORE INDIA PRIVATE Ltd - HUBLI No1 Aimosheng Road, Galshan Town,...
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Service & Support Our worldwide service network of over 80 facilities is at your service. This local presence is our guarantee for fast and efficient repair, support and maintenance services. Trust your alternator maintenance and support to electric power generation experts. Our field personnel are 100% qualified and fully trained to operate in all environments and on all machine types.