Summary of Contents for Nidec LAROY-SOMER LSA 50.2
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LSA 50.2 Low Voltage Alternators - 6 pole Installation and maintenance...
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Installation and maintenance Electric Power Generation 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 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 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 pole 1 - RECEIPT 1.4 - Storage Prior to commissioning, machines should 1.1 - Standards and safety be stored : measures - away from humidity (<...
Installation and maintenance Electric Power Generation 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 pole 2 - TECHNICAL CHARACTERISTICS 2.2 - Mechanical characteristics - Steel frame 2.1 - Electrical characteristics - Cast iron end shields - Regreasable ball bearings This alternator is a machine without - Mounting arrangement: twin-bearing with...
Installation and maintenance Electric Power Generation 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 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 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 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.
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Installation and maintenance Electric Power Generation 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 pole • Standard terminal connection : 6-wire Connection code L.L voltage Factory connection 50 Hz 60 Hz L1(U) Winding 380 - 415 380 - 480 L3(W) 3-phase...
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Installation and maintenance Electric Power Generation 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 pole • Option connection diagram External voltage potentiometer R791 T interference suppression kit (standard for CE marking) Connections Black 1000 ohms Black Black Voltage adjustment via remote...
Installation and maintenance Electric Power Generation 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 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.
Installation and maintenance Electric Power Generation 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 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 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 pole 4.3 - Bearings The bearings are permanently greased Approximate life of the grease (depending on use) = 20,000 hours or 3 years. As an option, the bearings are regreasable Regreasing interval: 3600 hrs of operation DE bearing: Amount of grease: 60 gr...
Installation and maintenance Electric Power Generation 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 pole 4.5 - Electrical faults Fault Action Effect Check/Cause The alternator builds up and its voltage is still correct when - Lack of residual magnetism the battery is removed.
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Installation and maintenance Electric Power Generation 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 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 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 pole 4.6 - Dismantling, reassembly • Access to connections and the regulation system During warranty period, this Access directly by removing the box lid (48) operation should only be carried out in or the AVR access door (466).
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Installation and maintenance Electric Power Generation 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 pole - Slide the threaded rod into the shield hole - Tighten the bottom inner bearing cap to make it easier to assemble (see diagram). screws (78), remove the threaded rod and fit the other screws.
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Installation and maintenance Electric Power Generation 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 pole • Reassembling the machine - Mount the rotor (4) in the stator (1) (see drawing above) taking care not to knock the windings. - Slide the threaded rod into the shield hole to make it easier to assemble (see diagram).
Installation and maintenance Electric Power Generation 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 pole 4.7 - Installation and maintenance of the PMG The PMG reference is PMG 5. See the PMG manual ref : 4211.
Installation and maintenance Electric Power Generation 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 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 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 pole 6 - EXPLODED VIEW, PARTS LIST 6.1 - Two-bearing...
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Installation and maintenance Electric Power Generation 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 pole Screw Torque Screw Torque Ref. Qty Description Ref. Qty Description Ø Ø Stator assembly Inner bearing cap Rotor assembly Preloading wavy washer Exciter field Lifting ring Exciter armature...
Installation and maintenance Electric Power Generation 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 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.
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Installation and maintenance Electric Power Generation 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 pole Declaration of EC compliance and incorporation This Declaration applies to the generators designed to be incorporated into machines complying with the Machinery Directive Nr 2006/42/EC dated 17 May 2006.
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Installation and maintenance Electric Power Generation 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 pole...
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Installation and maintenance Electric Power Generation 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 pole...
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Installation and maintenance Electric Power Generation 4735 en - 2017.12 / f LSA 50.2 Low Voltage Alternators - 6 pole...
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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.