Related Manuals for Leroy-Somer LSA 42.3
Summary of Contents for Leroy-Somer LSA 42.3
- Page 1 ; ;oy Scooter 4803 en-2011.12/b LSA 42.3 - 4 POLES ALTERNATOKS Installation and maintenancé...
- Page 2 | Installation and maintenance LEROY-SOMER 4803 e n -2011.12/b LSA 42.3 - 4 POLES ALTERNATORS 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...
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Page 3: Table Of Contents
Installation and maintenance |________ L E R O Y -SO M E R en-2011.12/ b 4803 LSA 42.3 - 4 POLES ALTERNATORS CONTENTS 1 - RECEIPT..........................4 1.1- Standards and safety measures...................4 1.2 - Inspection....................... 1.3 - Identification..............4 1.4-Storag e .................. -
Page 4: Receipt
| Installation and maintenance LEROY-SOMER 4803 e n -2011.12/b LSA 42.3 - 4 POLES ALTERNATORS • 6/4 : winding number / number of poles. 1 - RECEIPT 1.3.1 - Nameplate 1.1 - Standards and safety measures So that you can identify your machine... -
Page 5: Technical Characteristics
2 - TECHNICAL CHARACTERISTICS - Mounting arrangement 1.1 - Electrical characteristics MD 35: The PARTNER LSA 42.3 alternator is single bearing with standard feet and SAE generator without sliprings and revolving flanges/coupling discs. field brushes, wound as “2/3 pitch”; 12-wire,... -
Page 6: Installation
Installation and maintenance LEROY-SOMER 4803 en -2011.12/ b LSA 42.3-4 POLES ALTERNATORS 3 - INSTALLATION Personnel undertaking various operations indicated in this section must wear personal protective equipment appropriate for mechanical and electri cal hazards. 3.1 -Assembly w a r n i n g After handling the machine using the lifting ring, snap on the plástic cover... -
Page 7: Checks Prior To First Use
| Installation and maintenance LEROY-SOMER 4803 e n -2 0 1 1 .1 2 /b LSA 42.3 -4 POLES ALTERNATORS 3.2 - Checks prior to first use 3.3 - Terminal connection diagrams 3.2.1 - Electrical checks To modify the connection, change the position of the stator cables on the termináis. - Page 8 | Installation and maintenance LEROY-SOMER 4803 e n -2 0 1 1 .1 2 /b LSA 42.3 - 4 POLES ALTERNATORS Factory connection L.L voltage Connection code 50 Hz 60 Hz Winding -►N 190-208 190-240 220 - 230 • L3(W) 190-208 ‘...
- Page 9 Installation and maintenance LEROY-SOMER 4803 e n -2011.12/b LSA 42.3 -4 POLES ALTERNATORS Connection code Factory connection L.L voitage 50 Hz 60 Hz T11-S T5 - y Winding L1 (V) ■ L3(W) 110-120 1 phase 13 S T 9 —HQ...
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Page 10: Commissioning
Installation and maintenance LEROY-SOMER 4803 e n -2011.12/b LSA 42.3 - 4 POLES ALTERNATORS 3.4 - Commissioning 3.3.2- Connection checks á The machine can only be started up and Electrical installations must comply with the current legislation in forcé in the... -
Page 11: Servicing - Maintenance
Installation and maintenance LEROY-SOMER 4803 e n -20 1 1 A 2 I b LSA 42.3 - 4 POLES ALTERNATORS 4.2.3 - Electrical servicing 4 - SERVICING - MAINTENANCE 4.1 - Safety measures Commercially-available volatile degreasing agents can be used. -
Page 12: Mechanical Defects
Installation and maintenance LEROY-SOMER 4803 e n -2011.12/b LSA 42.3-4 POLES ALTERNATORS 4.4 - Mechanical defects A c tio n F a u lt Excessive overheating of one or both bearings - If the bearing has turned blue or if the grease has turned black, change the bearing. - Page 13 Installation and maintenance LEROY-SOMER 4803 e n -2011.12/ b LSA 42.3 - 4 POLES A L T E R N A T O R S 4.5.1 - Checking the winding series with a rheostat of approximately 50 ohms - 300 W and a diode on both exciter You can check the winding insulation by field wires (5+) and (6-).
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Page 14: Dismantling, Reassembly
Installation and maintenance LEROY-SOMER 4803 e n -2011.12/b LSA 42.3 - 4 POLES ALTERNATORS 4.6 - Dismantling, reassembly 4.6.3 - Access to connections and the regulation system (see sections 5.4.1. & 5.4.2.) The termináis and AVR are accessed w a r n i n g directly by removing the terminal box lid (41). - Page 15 Installation and maintenance LEROY-SOMER 4803 e n -2011.12/b LSA 42.3 - 4 POLES ALTERNATORS 4.6.5 - Replacing the NDE bearing on - Check that the whole alternator is correctly assembled and that all screws are fully single-bearing machines tightened. 4.6.5.1 - Dismantling - Remove the NDE shield [36] (see section 4.6.4.1).
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Page 16: Installation & Maintenance Of The Pmg
Take care not to knock the windings when Resistances at 20 °C (ü) refitting the rotor in the stator. LSA 42.3 L/N stator Rotor Field coil Armature If you replace the fan, respect the assembly guide according the following bellow. Use a 0.28... - Page 17 400V-50 Hz 4-pole, SHUNT excitation “i exc”: excitation current of the exciter field Resistances at 20 °C (Q i LSA 42.3 Noload At rated load LSA 42.3 L/N stator Rotor Field coil Armature 0.84 2.60 0.105 0.57 17.6 0.20 0.84 2.70...
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Page 18: Spare Parts
Installation and maintenance LEROY-SOMER 4803 e n -2011.12/b LSA 42.3 - 4 POLES ALTERNATORS 5.2 - Technical support Service 5 - SPARE PARTS Ourtechnical support service will be pleased 5.1 - First maintenance parts to provide any additional information you Emergency repair kits are available as an may require. -
Page 19: Exploded Views, Parts List And Tightening Torque
Installation and maintenance LEROY-SOMER 4803 en -2011.12/b LSA 42.3-4 POLES ALTERNATORS 5.3 - Exploded view, parts list and tightening torque 5.3.1 - Single bearing, AREP or SHUNT Leroy-Somer... - Page 20 | Installation and maintenance LEROY-SOMER 4803 e n -2011.12/b LSA 42.3-4 POLES ALTERNATORS 5.3.2 - Two-bearing, AREP or SHUNT...
- Page 21 | Installation and maintenance LEROY-SOMER 4803 e n -2011.12/ b LSA 42.3 - 4 POLES ALTERNATORS Screw Torque Screw Torque Description Ref. Qty Description Ref. Qty NDE bearing Stator assembly Preloading wavy Rotor assembly washer 1 Wound exciter field Field fixing screw...
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Page 22: Ec Declaration Of Incorporation
LEROY-SOMER Installation and maintenance 4803 en-2011.12/b LSA 42.3 -4 POLES ALTERNATORS Electric Power Generation División Declaration of CE compliance and incorporation This Declaration applies to the generators designed to be incorporated into machines complying with the Machinery Directive Nr 2006/42/CE dated 17 May 2006.