Nidec LEROY-SOMER LSAH 44.3 Installation And Maintenance Manual Download | Manualshive

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LSAH 44.3

Low Voltage Alternator - 4 pole

Installation and maintenance

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Summary of Contents for LEROY-SOMER LSAH 44.3

Page 1: ...LSAH 44 3 Low Voltage Alternator 4 pole Installation and maintenance...

Page 2: ...e to stand in front of the air outlet guards in case anything is ejected from them b Do not allow children younger than 14 to go near the air outlet guards Aset of self adhesive stickers depicting the...

Page 3: ...3 INSTALLATION 6 3 1 Assembly 6 3 2 Checks prior to first use 6 3 3 Terminal connection diagrams 7 3 4 Commissioning 8 3 5 Setting up 8 4 SERVICING MAINTENANCE 9 4 1 Safety measures 9 4 2 Routine mai...

Page 4: ...tact the transporter you may be able to claim on their insurance and after a visual check turn the machine by hand to detect any malfunction 1 3 Identification The alternator is identified by means of...

Page 5: ...th SAE flange and standard cylindrical shaft extension Enclosed machine cooled by heat transfer fluid Degree of protection IP 44 T1 T2 T3 T4 T5 T6 5 6 D350 AREP SYSTEM STATOR 6 wire marking T1 to T6 E...

Page 6: ...analysis of the transmission alternators data are available on request checking the dimensions of the flywheel and its housing the flange coupling discs and offset WARNING When coupling the alternator...

Page 7: ...order 1 2 3 For anti clockwise rotation swap 2 and 3 the winding connection corresponds to the site operating voltage see section 3 3 WARNING At the first start up or after an extended shutdown allow...

Page 8: ...terminal box is connected to the electrical earth circuit The earth terminal is connected to the frame The connections inside the terminal box must never be subjected to stress due to cables connecte...

Page 9: ...lectrical connections in the installation Electrical servicing Commercially available volatile degreasing agents can be used Do not use trichlorethylene perchlo rethylene trichloroethaneoranyalkaline...

Page 10: ...f the grease has turned black change the bearing Bearing not fully locked abnormal play in the bearing cage End shields incorrectly aligned Abnormal temperature Excessive overheating of alternator fra...

Page 11: ...rnt out Revolving field coil short circuited Check the resistance Speed too low Increase the drive speed do not touch theAVR voltage pot P2 before running at the correct speed Voltage too high AdjustA...

Page 12: ...diode 12V battery Rh 50 300W ASSEMBLY A Field Assembly B Connect a Variac variable power supply and a diode bridge on both exciter field wires 5 and 6 Both these systems should have characteristics w...

Page 13: ...4 Draining the cooling circuit Leave the machine stationary for 6 hours before draining the cooling circuit operating temperature 70 C The cooling circuit must be drained using a fluid recovery syste...

Page 14: ...he machine To facilitate mounting screw two threaded rods into inner bearing retainer 78 and slide them into the holes of the shield 30 by reassembling the drive end shield 30 Finish the assembly of i...

Page 15: ...pe Stator L N Rotor Exciter field Exciter armature M4 0 021 2 64 8 07 0 920 M6 0 022 2 89 8 07 0 920 L8 0 015 3 15 8 07 0 920 VL12 0 010 3 86 8 07 0 920 Resistances of auxiliary windings at 20 C Type...

Page 16: ...ds These sensors must be linked to adapted sensing relays supplied optionally Cold resistance of cold thermistor sensors 100 to 250 per sensor 5 2 Technical support service Our technical support servi...

Page 17: ...17 2020 05 c Electric Power Generation Installation and maintenance LSAH 44 3 Low Voltage Alternator 4 pole 5577 en 5 4 Exploded views parts list and tightening torque Single bearing...

Page 18: ...18 2020 05 c Electric Power Generation Installation and maintenance LSAH 44 3 Low Voltage Alternator 4 pole 5577 en Two bearing...

Page 19: ...M6 5 79 1 Preloading wavy washer 17 1 Fan hub 90 1 Exciter field M6 10 22 1 Key 100 1 Exciter armature 28 1 Earth terminal M6 10 107 1 Diode module support M5 6 30 1 Drive end DE shield M12 69 124 1...

Page 20: ...cial treatment and must be separated from the alternator before the recycling process electronic materials found in the terminal box including the automatic voltage regulator 198 current transformers...

Page 21: ...047 TAL 0473 TAL 049 LSAH 443 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 1 600...

Page 22: ...22 2020 05 c Electric Power Generation Installation and maintenance LSAH 44 3 Low Voltage Alternator 4 pole 5577 en...

Page 23: ...ient 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 al...

Page 24: ...www emersonindustrial com 2020 05 c www leroy somer com epg 5577 en Linkedin com company leroy somer Twitter com Leroy_Somer_en Facebook com LeroySomer Nidec en YouTube com LeroySomerOfficiel...

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