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Summary of Contents for Leroy-Somer LSA 49.3
- Page 1 Low Voltage Alternators - 4 pole LSA 49.3 Installation and maintenance...
- Page 2 5280 en - 2016.11 / f Electric Power Generation LSA 49.3 Low Voltage Alternators - 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.
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Page 3: Table Of Contents
Installation and maintenance Electric Power Generation 5280 en - 2016.11 / f LSA 49.3 Low Voltage Alternators - 4 pole CONTENTS 1 - RECEIPT ......................4 1.1 - Standards and safety measures .................4 1.2 - Inspection ........................4 1.3 - Identification .......................4 1.4 - Storage ........................4... -
Page 4: Receipt
N.D.E. bearing P.R. 27°C. Made in ......166631 Moteurs Leroy-Somer - Boulevard Marcellin Leroy, IEC 60034 - 1 & 5. / ISO 8528 - 3. / NEMA MG1 - 32 & 33. CS 10015 - 16915 Angoulême Cedex 9 - France... -
Page 5: Technical Characteristics
Installation and maintenance Electric Power Generation 5280 en - 2016.11 / f LSA 49.3 Low Voltage Alternators - 4 pole 2 - TECHNICAL CHARACTERISTICS 2.2 - Mechanical characteristics - Steel frame 2.1 - Electrical characteristics - Cast iron end shields... -
Page 6: Installation
Installation and maintenance 5280 en - 2016.11 / f Electric Power Generation LSA 49.3 Low Voltage Alternators - 4 pole 3 - INSTALLATION • Single-bearing coupling Before coupling, check the compatibility Personnel undertaking various between the alternator and the engine by... -
Page 7: Terminal Connection Diagrams
Installation and maintenance Electric Power Generation 5280 en - 2016.11 / f LSA 49.3 Low Voltage Alternators - 4 pole 3.3 - Terminal connection diagrams There are 2 possible methods for restoring the above minimum values. To modify the connection, change the a) Dry out the machine for 24 hours in a position of the stator cables on the terminals. - Page 8 Installation and maintenance 5280 en - 2016.11 / f Electric Power Generation LSA 49.3 Low Voltage Alternators - 4 pole • Terminal connection : 12-wire OPTION: STANDARD: Voltage Connection codes Outputs to right Outputs to left 50 Hz 60 Hz...
- Page 9 Installation and maintenance Electric Power Generation 5280 en - 2016.11 / f LSA 49.3 Low Voltage Alternators - 4 pole • Terminal connection : 6-wire Connection codes Voltage / Detection Factory connection 6 wires 50 Hz 60 Hz Winding L1(U)
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Page 10: Commissioning
Installation and maintenance 5280 en - 2016.11 / f Electric Power Generation LSA 49.3 Low Voltage Alternators - 4 pole 3.4 - Commissioning • Connection checks Electrical installations must comply with the current legislation in force in the The machine can only be started up and country of use. -
Page 11: Servicing - Maintenance
Installation and maintenance Electric Power Generation 5280 en - 2016.11 / f LSA 49.3 Low Voltage Alternators - 4 pole 4 - SERVICING - MAINTENANCE WARNING 4.1 - Safety measures Do not use: trichlorethylene, perchlo- Servicing or troubleshooting must be... -
Page 12: Bearings
Installation and maintenance 5280 en - 2016.11 / f Electric Power Generation LSA 49.3 Low Voltage Alternators - 4 pole 4.3 - Bearings The bearings are permanently greased Approximate life of the grease (depending on use) = 20,000 hours or 3 years. -
Page 13: Electrical Faults
Installation and maintenance Electric Power Generation 5280 en - 2016.11 / f LSA 49.3 Low Voltage Alternators - 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. - Page 14 Installation and maintenance 5280 en - 2016.11 / f Electric Power Generation LSA 49.3 Low Voltage Alternators - 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 15: Dismantling, Reassembly
Installation and maintenance Electric Power Generation 5280 en - 2016.11 / f LSA 49.3 Low Voltage Alternators - 4 pole 4.6 - Dismantling, reassembly • Access to connections and the regulation system WARNING Access directly by removing the terminal box lid (48) or the AVR access door (59). - Page 16 Installation and maintenance 5280 en - 2016.11 / f Electric Power Generation LSA 49.3 Low Voltage Alternators - 4 pole - Slide the threaded rod into the shield hole to make it easier to assemble (see basic to make it easier to assemble (see basic diagram).
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Page 17: Installation & Maintenance Of The Pmg
Installation and maintenance Electric Power Generation 5280 en - 2016.11 / f LSA 49.3 Low Voltage Alternators - 4 pole 4.7 - Installation and maintenance of - Connect the stator connections and mount the neutral link (278). the PMG - Reconnect exciter wires E+, E-. - Page 18 Installation and maintenance 5280 en - 2016.11 / f Electric Power Generation LSA 49.3 Low Voltage Alternators - 4 pole • Resistances of main windings at 20°C • Table of weights (Ω) Type Total weight (kg) Rotor (kg) Average values for 6 winding...
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Page 19: Spare Parts
Installation and maintenance Electric Power Generation 5280 en - 2016.11 / f LSA 49.3 Low Voltage Alternators - 4 pole 5 - SPARE PARTS 5.1 - First maintenance parts Emergency repair kits are available as an option. They contain the following items : After operational testing, it is essential to replace all access panels or covers. -
Page 20: Exploded Views, Parts List And Tightening Torque
Installation and maintenance 5280 en - 2016.11 / f Electric Power Generation LSA 49.3 Low Voltage Alternators - 4 pole 5.4 - Exploded views, parts list and tightening torque • Single-bearing... - Page 21 Installation and maintenance Electric Power Generation 5280 en - 2016.11 / f LSA 49.3 Low Voltage Alternators - 4 pole • Two-bearing...
- Page 22 Installation and maintenance 5280 en - 2016.11 / f Electric Power Generation LSA 49.3 Low Voltage Alternators - 4 pole Screw Torque Screw Torque Ref. Qty Description Ref. Qty Description Ø Ø Exciter armature Stator assembly (rotor) Rotor assembly Diode support ring...
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Page 23: Disposal And Recycling Instructions
Installation and maintenance Electric Power Generation 5280 en - 2016.11 / f LSA 49.3 Low Voltage Alternators - 4 pole Disposal and recycling instructions The oil and grease from the lubrication system should be considered as a hazardous We are committed to limit the environmental waste and has to be handled according to impact of our activity. - Page 24 Installation and maintenance 5280 en - 2016.11 / f Electric Power Generation LSA 49.3 Low Voltage Alternators - 4 pole...
- Page 25 LSA50.2 - LSA51.2 - LSA52.2 - LSA52.3 - LSA53.1 - LSA53 - LSA53.2 - LSA54 - LSA54.2 - TAL040 - TAL042 - TAL044, as well as their derivatives, manufactured by Leroy-Somer or on Leroy-Somer's behalf, comply with the following International Standards and Directive: - EN and IEC 60034-1, 60034-5 and 60034-22 - ISO 8528-3 “Reciprocating internal combustion engine driven alternating current generating sets.
- Page 26 Installation and maintenance 5280 en - 2016.11 / f Electric Power Generation LSA 49.3 Low Voltage Alternators - 4 pole...
- Page 27 •Genuine spare parts •Repair services Contact us: Americas: +1 (507) 625 4011 Europe & International: +33 238 609 908 Asia Pacific: +65 6250 8488 China: +86 591 88373036 India: +91 806 726 4867 Scan the code or go to: service.epg@leroy-somer.com www.lrsm.co/support...
- Page 28 5280 en - 2016.11 / f...
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