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Summary of Contents for Nidec LEROY-SOMER LSA 49.3
- Page 1 LSA 49.3 Low Voltage Alternator IC6 / CACA / TEAAC - 4 poles Installation and maintenance...
- Page 2 Installation and maintenance Nidec Power 6160 en - 2024.10 / b LSA 49.3 Low Voltage Alternator - IC6 / CACA / TEAAC - 4 poles This manual concerns the alternator which you have just purchased. We wish to draw your attention to the contents of this maintenance manual.
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Page 3: Table Of Contents
Installation and maintenance Nidec Power 6160 en - 2024.10 / b LSA 49.3 Low Voltage Alternator - IC6 / CACA / TEAAC - 4 poles CONTENTS 1 - RECEIPT ......................4 1.1 - Standards and safety measures .................4 1.2 - Inspection ........................4 1.3 - Identification .......................4... -
Page 4: Receipt
Installation and maintenance Nidec Power 6160 en - 2024.10 / b LSA 49.3 Low Voltage Alternator - IC6 / CACA / TEAAC - 4 poles 1 - RECEIPT 1.4 - Storage Prior to commissioning, machines should 1.1 - Standards and safety be stored away from humidity (<... -
Page 5: Technical Characteristics
Installation and maintenance Nidec Power 6160 en - 2024.10 / b LSA 49.3 Low Voltage Alternator - IC6 / CACA / TEAAC - 4 poles 2 - TECHNICAL CHARACTERISTICS 2.1 - Electrical characteristics This alternator is a machine without sliprings or revolving armature brushes, wound as “2/3 pitch”, 6-wire, with class H... -
Page 6: Installation
Installation and maintenance Nidec Power 6160 en - 2024.10 / b LSA 49.3 Low Voltage Alternator - IC6 / CACA / TEAAC - 4 poles 3 - INSTALLATION 3.2 - Checks prior to first use Personnel undertaking various • Electrical checks... -
Page 7: Terminal Connection Diagram
Installation and maintenance Nidec Power 6160 en - 2024.10 / b LSA 49.3 Low Voltage Alternator - IC6 / CACA / TEAAC - 4 poles b) Blow hot air into the air intake, having • Voltage reconnections made sure that the machine is rotating with... - Page 8 Installation and maintenance Nidec Power 6160 en - 2024.10 / b LSA 49.3 Low Voltage Alternator - IC6 / CACA / TEAAC - 4 poles • AREP three-phase 6-wire Connection code Drawing extract Connector block 1 (Regulation) L1(U) L2(V) L3(W)
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Page 9: Commissioning
Installation and maintenance Nidec Power 6160 en - 2024.10 / b LSA 49.3 Low Voltage Alternator - IC6 / CACA / TEAAC - 4 poles 4 - SERVICING - MAINTENANCE - Leave enough space to allow cooling. 4.1 - Safety measures... -
Page 10: Air/Air Heat Exchanger
Installation and maintenance Nidec Power 6160 en - 2024.10 / b LSA 49.3 Low Voltage Alternator - IC6 / CACA / TEAAC - 4 poles • Performances We guarantee that the performance of the exchanger complies with the definitions agreed upon (ambient temperature, power... -
Page 11: Bearings
Installation and maintenance Nidec Power 6160 en - 2024.10 / b LSA 49.3 Low Voltage Alternator - IC6 / CACA / TEAAC - 4 poles 4.4 - Bearings Regreasing interval: 2600 hours in operation or every 6 months Regreasable bearings... -
Page 12: Electrical Faults
Installation and maintenance Nidec Power 6160 en - 2024.10 / b LSA 49.3 Low Voltage Alternator - IC6 / CACA / TEAAC - 4 poles 4.6 - Electrical faults Fault Action Effect Check/Cause The alternator builds up and its voltage is still correct... - Page 13 Installation and maintenance Nidec Power 6160 en - 2024.10 / b LSA 49.3 Low Voltage Alternator - IC6 / CACA / TEAAC - 4 poles • Checking the winding Assembly A: Connect a 12 V battery in series with a rheostat of approximately 50...
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Page 14: Dismantling, Reassembly
Installation and maintenance Nidec Power 6160 en - 2024.10 / b LSA 49.3 Low Voltage Alternator - IC6 / CACA / TEAAC - 4 poles 4.7 - Dismantling, reassembly - Remove the air intake grille (51). - Dismantle the secondary circuit turbine WARNING (118). -
Page 15: Table Of Characteristics
Installation and maintenance Nidec Power 6160 en - 2024.10 / b LSA 49.3 Low Voltage Alternator - IC6 / CACA / TEAAC - 4 poles - Replace the rotor earth brush (61) (option). - Refit and fix the NDE bracket (36). - Page 16 Installation and maintenance Nidec Power 6160 en - 2024.10 / b LSA 49.3 Low Voltage Alternator - IC6 / CACA / TEAAC - 4 poles • Table of weights (kg) AREP auxiliary windings (maximum values given for information only) Red/black wires exciter field...
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Page 17: Spare Parts
Installation and maintenance Nidec Power 6160 en - 2024.10 / b LSA 49.3 Low Voltage Alternator - IC6 / CACA / TEAAC - 4 poles 5 - SPARE PARTS To ensure that our products operate correctly and safely, we recommend the use of 5.1 - First maintenance parts... -
Page 18: Exploded View, Parts List And Thightening Torque
Installation and maintenance Nidec Power 6160 en - 2024.10 / b LSA 49.3 Low Voltage Alternator - IC6 / CACA / TEAAC - 4 poles 5.3 - Exploded view, parts list and tightening torque... - Page 19 Installation and maintenance Nidec Power 6160 en - 2024.10 / b LSA 49.3 Low Voltage Alternator - IC6 / CACA / TEAAC - 4 poles Screw Torque Screw Torque Ref. Qty Description Ref. Qty Description Ø Ø Stator assembly Exciter armature (rotor)
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Page 20: Disposal And Recycling Instructions
Installation and maintenance Nidec Power 6160 en - 2024.10 / b LSA 49.3 Low Voltage Alternator - IC6 / CACA / TEAAC - 4 poles Disposal and recycling instructions All materials listed above need special treatment separate waste from committed... -
Page 21: Ec Declaration
16015 Angoulême Boite Postale 1517 France Czech Republic 45800 St Jean de Braye France LEROY-SOMER ELECTRO-TECHNIQUE NIDEC INDUSTRIAL AUTOMATION NIDEC INDUSTRIAL AUTOMATION Co., Ltd INDIA PRIVATE Ltd - BANGALORE INDIA PRIVATE Ltd - HUBLI No1 Aimosheng Road, Galshan Town, #45, Nagarur, Huskur Road #64/A, Main Road, Cangshan District. - Page 22 Installation and maintenance Nidec Power 6160 en - 2024.10 / b LSA 49.3 Low Voltage Alternator - IC6 / CACA / TEAAC - 4 poles...
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Page 23: Service And Support
Service & Support Our worldwide service network of over 80 facilities is at your service. Our local presence is your 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. - Page 24 www.nidecpower.com Connect with us at: 6160 en - 2024.10 / b...
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