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Summary of Contents for Leroy-Somer Nidec LSAH 42.3
- Page 1 LSAH 42.3 Low Voltage Alternator - 4 pole Installation and maintenance...
- Page 2 Warning symbol for an operation capable fault current. of damaging or destroying the machine or surrounding equipment. © 2022 Moteurs Leroy-Somer SAS Share Capital: 38,679,664 €, RCS Angoulême 338 567 258. We reserve the right to modify the characteristics of this product at any time in order to incorporate Warning symbol for general danger to the latest technological developments.
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Page 3: Table Of Contents
Installation and maintenance Electric Power Generation 5960 en - 2022.11 / d LSAH 42.3 Low Voltage Alternator - 4 pole CONTENTS 1 - RECEIPT ........................... 4 1.1 - Standards and safety measures ................4 1.2 - Inspection ......................... 4 1.3 - Identification ......................4 1.4 - Storage ........................ -
Page 4: Receipt
NEMA MG1 - 32 & 33 415 v / 40°C Std by. DE bearing 27°C NDE bearing MOTEURS LEROY-SOMER 2 BD MARCELLIN LEROY - 16000 ANGOULÊME - FRANCE www.leroy-somer.com Scan the code or go to GEN.LS1.DO Made in Europe by Leroy-Somer to check product data... -
Page 5: Technical Characteristics
Installation and maintenance Electric Power Generation 5960 en - 2022.11 / d LSAH 42.3 Low Voltage Alternator - 4 pole 2 - TECHNICAL 2.2 - Mechanical characteristics - Steel frame CHARACTERISTICS - Cast iron and aluminum end shields 2.1 - Electrical characteristics - Greased for life ball bearings This alternator is a machine without - Mounting arrangement: single bearing... -
Page 6: Installation
Installation and maintenance Electric Power Generation 5960 en - 2022.11 / d LSAH 42.3 Low Voltage Alternator - 4 pole 3 - INSTALLATION - checking the dimensions of the flywheel and its housing, the flange, coupling discs Personnel undertaking various and offset. -
Page 7: Terminal Connection Diagrams
Installation and maintenance Electric Power Generation 5960 en - 2022.11 / d LSAH 42.3 Low Voltage Alternator - 4 pole • Mechanical checks WARNING Before starting the machine for the first time, check that: At the first start-up or after an extended - top up the cooling circuit with water before shutdown, allow the machine to be starting the machine,... -
Page 8: Commissioning
Installation and maintenance Electric Power Generation 5960 en - 2022.11 / d LSAH 42.3 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. -
Page 9: Servicing - Maintenance
Installation and maintenance Electric Power Generation 5960 en - 2022.11 / d LSAH 42.3 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. -
Page 10: Bearings
Installation and maintenance Electric Power Generation 5960 en - 2022.11 / d LSAH 42.3 Low Voltage Alternator - 4 pole 4.3 - Bearings The bearings are permanently greased Approximate life of the grease (depending on use) = 20,000 hours or 3 years. 4.4 - Cooling circuit Composition Water, anticorrosion oxygen inhibitor, glycol-type antifreeze up... -
Page 11: Electrical Faults
Installation and maintenance Electric Power Generation 5960 en - 2022.11 / d LSAH 42.3 Low Voltage Alternator - 4 pole 4.6 - 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... - Page 12 Installation and maintenance Electric Power Generation 5960 en - 2022.11 / d LSAH 42.3 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.
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Page 13: Dismantling, Reassembly
Installation and maintenance Electric Power Generation 5960 en - 2022.11 / d LSAH 42.3 Low Voltage Alternator - 4 pole 4.7 - Dismantling, reassembly • Access to connections Access is directly after removing the air WARNING duct (3). During the warranty period, this operation •... - Page 14 Installation and maintenance Electric Power Generation 5960 en - 2022.11 / d LSAH 42.3 Low Voltage Alternator - 4 pole • Replacing the NDE bearing on single - Replace the air ducts (3). - Check that the alternator assembly is bearing machines correctly mounted and that all screws are Dismantling...
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Page 15: Table Of Characteristics
Installation and maintenance Electric Power Generation 5960 en - 2022.11 / d LSAH 42.3 Low Voltage Alternator - 4 pole Field excitation current i exc (A) - If you replace the fan, respect the assembly guide according the following bellow. Use a 400V - 50 Hz tube and a screw. -
Page 16: Spare Parts
For all spare parts orders or technical support requests, send your request to service.epg@leroy-somer.com or your nearest contact, whom you will find at www.lrsm.co/support indicating the comp- lete type of machine, its number and the information indicated on the nameplate. -
Page 17: Exploded Views, Parts List And Tightening Torque
Installation and maintenance Electric Power Generation 5960 en - 2022.11 / d LSAH 42.3 Low Voltage Alternator - 4 pole 5.4 - Exploded views, parts list and tightening torque • Single bearing... - Page 18 Installation and maintenance Electric Power Generation 5960 en - 2022.11 / d LSAH 42.3 Low Voltage Alternator - 4 pole • Two-bearing...
- Page 19 Installation and maintenance Electric Power Generation 5960 en - 2022.11 / d LSAH 42.3 Low Voltage Alternator - 4 pole Screw Torque Screw Torque Ref. Qty Description Ref. Qty Description Ø Ø Stator assembly Sealing cap Air duct Drive end (DE) bearing Rotor assembly Circlips Air duct holder...
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Page 20: Disposal And Recycling Instructions
Installation and maintenance Electric Power Generation 5960 en - 2022.11 / d LSAH 42.3 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. -
Page 21: Ec Declaration
Directives Nr 2006/42/EC, 2014/30/EU, 2011/65/EU and 2015/863, as well as with other relevant Directives. Moteurs Leroy-Somer undertakes to transmit, in response to a reasoned request by the national authorities, relevant information on the generator. Those responsible for compiling the technical files and this declaration are: Yannick MESSIN, Technical Manager LS Orléans, 1 rue de la Burelle, 45800 Saint Jean de Braye... - Page 22 Installation and maintenance Electric Power Generation 5960 en - 2022.11 / d LSAH 42.3 Low Voltage Alternator - 4 pole...
- Page 23 •Genuine spare parts •Repair services Contact us: Americas: +1 (507) 625 4011 EMEA: +33 238 609 908 Asia Pacific: +65 6250 8488 China: +86 591 8837 3010 India: +91 806 726 4867 Scan the code or go to: service.epg@leroy-somer.com www.lrsm.co/support...
- Page 24 Connect with us at: 5960 en - 2022.11 / d...
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