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TAL A49 Low Voltage Alternator - 4 pole Installation and maintenance...
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Installation and maintenance Electric Power Generation 5879en-2022.03/f TAL A49 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, Before using your machine for the first time,...
Installation and maintenance Electric Power Generation 5879en-2022.03/f TAL A49 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 5879en-2022.03/f TAL A49 Low Voltage Alternator - 4 pole 2 - TECHNICAL CHARACTERISTICS - Terminal box with mounting kit for protec- tion or measurement C.T. 2.1 - Electrical characteristics - R791 interference suppression This alternator is a machine without sliprings 2.2 - Mechanical characteristics or revolving armature brushes, wound as - Steel frame...
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Installation and maintenance Electric Power Generation 5879en-2022.03/f TAL A49 Low Voltage Alternator - 4 pole • SHUNT three-phase 12-wire STATOR : 12-wire (T1 to T12 identification) MAIN FIELD EXCITER Armature Exciter field Rotating rectifiers 3 PH blue green yellow 2K/2.5K (1W) Option: R1-R2 - External remote voltage trimmer (remove ST1) option...
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Installation and maintenance Electric Power Generation 5879en-2022.03/f TAL A49 Low Voltage Alternator - 4 pole • AREP+ three-phase 6 or 12-wire STATOR: 12-wire (T1 to T12 identification) Winding H3 MAIN FIELD EXCITER Armature Exciter field Rotating rectifiers red or white black or blue STATOR: 6-wire Option: // CT...
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Installation and maintenance Electric Power Generation 5879en-2022.03/f TAL A49 Low Voltage Alternator - 4 pole • PMG three-phase 6 or 12-wire STATOR: 12-wire (T1 to T12 identification) MAIN FIELD EXCITER Armature Exciter field Rotating rectifiers red or white black or blue STATOR: 6-wire Option: // CT 1 kOhm 1W mini...
Installation and maintenance Electric Power Generation 5879en-2022.03/f TAL A49 Low Voltage Alternator - 4 pole • Single-bearing coupling 3 - INSTALLATION 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 - undertaking a torsional analysis of the...
Installation and maintenance Electric Power Generation 5879en-2022.03/f TAL A49 Low Voltage Alternator - 4 pole There are 2 possible methods for restoring 3.3 - Terminal connection diagrams 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 5879en-2022.03/f TAL A49 Low Voltage Alternator - 4 pole • SHUNT three-phase 6-wire Connection codes Voltage / Detection Factory connection Winding 50 Hz 60 Hz L1(U) 380 - 415 380 - 480 Star W(3) L3 380 - 416 V(2) L2 U(1) L1...
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Installation and maintenance Electric Power Generation 5879en-2022.03/f TAL A49 Low Voltage Alternator - 4 pole • SHUNT, AREP+ or PMG three-phase 12-wire Factory connection Connection codes Voltage / Detection Winding 50 Hz 60 Hz 190 - 208 190 - 240 L1(U) Parallel Star W(3) L3...
Installation and maintenance Electric Power Generation 5879en-2022.03/f TAL A49 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 5879en-2022.03/f TAL A49 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 5879en-2022.03/f TAL A49 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 - Mechanical defects Fault Action Excessive overheating of one or...
Installation and maintenance Electric Power Generation 5879en-2022.03/f TAL A49 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 The alternator builds up but - Check the connection of the voltage reference...
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Installation and maintenance Electric Power Generation 5879en-2022.03/f TAL A49 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 5879en-2022.03/f TAL A49 Low Voltage Alternator - 4 pole 4.6 - Dismantling, reassembly • Access to connections and the regulation system WARNING Access directly by removing the terminal box lid (48). During warranty period, this operation should only be carried out in •...
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Installation and maintenance Electric Power Generation 5879en-2022.03/f TAL A49 Low Voltage Alternator - 4 pole 78 36 Threaded rod Dowel Rotor WARNING NDE shield When dismantling the rotor involves changing parts or rewinding, the rotor must be rebalanced. - Fit the thrust bearing screws (78), remove the threaded rod, fit the other screw and •...
Installation and maintenance Electric Power Generation 5879en-2022.03/f TAL A49 Low Voltage Alternator - 4 pole 4.7 - Installation and maintenance of the PMG • Table of weights (values given for information only) The PMG reference is PMG 8. See the PMG manual ref :5867. Type Total weight (kg) Rotor (kg)
Installation and maintenance Electric Power Generation 5879en-2022.03/f TAL A49 Low Voltage Alternator - 4 pole 5 - SPARE PARTS 5.1 - First maintenance parts Emergency repair kits are available as an option. After operational testing, it is essential to They contain the following items: replace all access panels or covers.
Installation and maintenance Electric Power Generation 5879en-2022.03/f TAL A49 Low Voltage Alternator - 4 pole 5.4 - Exploded view, parts list and tightening torque...
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Installation and maintenance Electric Power Generation 5879en-2022.03/f TAL A49 Low Voltage Alternator - 4 pole Screw Torque Screw Torque Ref. Qty Description Ref. Qty Description Ø Ø Exciter field Stator assembly (stator) Rotor assembly Exciter armature (rotor) Diode support ring Lifting eye 110 12 Diode...
Installation and maintenance Electric Power Generation 5879en-2022.03/f TAL A49 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. We entrusted to specialist recycling companies.
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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 effi 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.