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Содержание DAGFS Series

Страница 1: ...Manufactured under license of Daewoo International Corporation Korea www daewoopowerproducts com USER S MANUAL DAGFS SERIES Silent diesel generator Digital panel Brushless synchronous A C Alternators ...

Страница 2: ...SAFETY AND WARNING 2 2 GENERAL INTRODUCTION 6 3 OPERATION INSTRUCTION FOR FIRST START 8 4 MAINTENANCE 14 5 TECHNICAL DATA 17 6 DIGITAL PANEL 21 7 EXPLODED VIEW AND PARTS LIST 28 8 EC 48 9 WARRANTY 49 INDEX ...

Страница 3: ...o Elderly children pets livestock and property Some or all of the following PPE warning signs and symbols may appear throughout this manual and you must adhere to their warning s Failure to do so may result in personal injury Personal Protective Equipment PPE Before operation and maintenance for the generator sets please read carefully about this manual and make sure a good understanding of this o...

Страница 4: ... battery and fuel because the mixture of volatilization from fuel and hydrogen generated by battery charging process will cause explosion when it meets sparkle or naked flame The generator set installation room shall be facilitated with BC and ABC fire extinguisher and operators shall be familiar with the knowledge on how to use it When fan protection cover or other protection cover has been detac...

Страница 5: ...le for the load Keep all personnel away from the generating set when it is suspended MECHANICAL WARNING Do not attempt to operate the generating set with the safety guards removed While the generating set is run ning do not attempt to reach under or around the guards to do maintenance or for any other reason Keep hands arms long hair loose clothing and jewel ers away from pulleys belts and other m...

Страница 6: ...inal disconnected prior to attempting to connect or disconnect load connections Do not attempt to connect or disconnect load connections while standing in water or on wet or soggy ground Make sure connect generator set to earth Replace the generating set terminal box cover as soon as connection or disconnection of the load cables is complete Do not operate the generating set without the cover secu...

Страница 7: ...rials cover to avoid rain and dopant in the genset to make sure generator work regularly Silencer Strong thick pipe with heat insulation materials to reduce noise effectively and to avoid excessive temperature 11 in canopy inside Terminal Box Inside Regular internal wire connecting to convenient maintain Digital Control Panel Branded high quality digital control panel rise the reliability and stab...

Страница 8: ...E SOUND SUPPRESSOR The high grade rubber shock absorber between diesel engine alternator and frame it reduce the vibration reduce the damage for parts prolong the service life of the unit double screw design more solid and durable and prvent the loose when running and to reduce the vibration noise 3 SUPER QUALITY CANOPY PAINT 2 6 mm thick high quality ATSM standard steel case high temperature baki...

Страница 9: ...upply such as hospi tals industrial facilities airports etc Keep the generator set standby state at any time and st art to run when the mains supply is abnormal Emergency service Used as auxiliary power supply to solve energy interruptions that may cause serious problems to people physical and or financial damage or to face consumption peaks The generator set can start in short order to provide st...

Страница 10: ...9 2 Connect the battery red wire for anode black wire for cathode ...

Страница 11: ...10 3 Press diesel pump to exhaust air until feel pressure 4 Turn on the emergency stop button ...

Страница 12: ...11 5 Use the key to turn on the generator keep it running 6 Operating control panel in order STOP Manual Start ...

Страница 13: ... more times 7 Connect city power and output wire attention N is null line U V W is firing line Wire socket above ATS use for city power bottom for output wire Firing line connect only with U null line only with N for single phase city power 8 Operating control panel in order Stop Auto set it to auto mode ...

Страница 14: ...13 Final step Finish set up the generator and then turn on breaker for auto protection ...

Страница 15: ...the engine Check lubricant oil level Check coolant level Check air filter indicator Check the ventilation of radiator and ambient environment Check engine s transmission belt Check fuel supply status Generator sets which run frequently need to be checked one time every 6 to 8 hours Backup generator sets need to be checked once more after being stopped Depends on the new generator set s running sta...

Страница 16: ...just valve clearance For each 2000 hours of running or at least 24 months Change air filter depend on ambient air quality decide if this need to be changed earlier Change coolant and coolant filter some generator sets have Thoroughly clean radiator core and water path For each 2400 hours of running Check fuel injector Thoroughly check and clean turbo charger Comprehensively check engine equipment ...

Страница 17: ...y charged before being used so that to ensure normal capacitance of the battery Densimeter can be used to check the actual capacitance of the battery Normal operation and battery charging will cause some water inside of the battery being vaporized And therefore constant fluid infusion is needed Before fluid infusion first the conta minant around the adding hole shall be cleaned so that to avoid th...

Страница 18: ... 5 KVA 236 g kw h Machinery Governor 4 stroke V In line Water Cool Electric start Cylinder N Bore and Stroke Volume of Oil Combustion Aspiration Type Radiator Water Tank Diesel tank capacity 4 100 x 115 mm 13 L Vortex Design Natural Aspirated 50 C 59 L DETAILS OF ALTERNATOR DETAILS OF ENGINE SILENT TYPE DIESEL GENERATOR SET 17 5 TECHNICAL DATA Alternator Model Type Prime Power Winding Lead ATS Eff...

Страница 19: ...r Model Type Prime Power Winding Lead ATS K4100D 3 61 L 30 kW 38 KVA 7 L H on 75 loading Machinery Governor 4 stroke V In line Water Cool Electric start Cylinder N Bore and Stroke Volume of Oil Combustion Aspiration Type Radiator Water Tank Diesel tank capacity 4 100 x 115 mm 13 L Vortex Design Natural Aspirated 50 C 70 L VG 184FS Brushless sel excited 25 12 100 A Efficient A V R Protection Insula...

Страница 20: ...or Model Type Prime Power Winding Lead ATS K4102D 3 61 L 36 kW 45 KVA 8 2 L H on 75 loading Machinery Governor 4 stroke V In line Water Cool Electric start Cylinder N Bore and Stroke Volume of Oil Combustion Aspiration Type Radiator Water Tank Diesel tank capacity 4 100 x 115 mm 13 L Vortex Design Natural Aspirated 50 C 72 L VG 184G Brushless sel excited 35 12 100 A Efficient A V R Protection Insu...

Страница 21: ...r Model Type Prime Power Winding Lead ATS ZH4105ZD 3 76 L 50 kW 62 5 KVA 11 2 L H on 75 loading Machinery Governor 4 stroke V In line Water Cool Electric start Cylinder N Bore and Stroke Volume of Oil Combustion Aspiration Type Radiator Water Tank Diesel tank capacity 4 100 x 115 mm 13 L Vortex Design Natural Aspirated 50 C 99 L VG 224D Brushless sel excited 50 12 100 A Efficient A V R Protection ...

Страница 22: ...ator Model Type Prime Power Winding Lead ATS R4108IZD 4 95 L 75 kW 93 75 KVA 15 L H on 75 loading Machinery Governor 4 stroke V In line Water Cool Electric start Cylinder N Bore and Stroke Volume of Oil Combustion Aspiration Type Radiator Water Tank Diesel tank capacity 4 108 x 125 mm 13 L Vortex Design Natural Aspirated 50 C 130 L 224GS Brushless sel excited 80 12 160 A Efficient A V R Protection...

Страница 23: ...ator Model Type Prime Power Winding Lead ATS R6105AZD 7 1 L 84 kW 105 KVA 17 L H on 75 loading Machinery Governor 4 stroke V In line Water Cool Electric start Cylinder N Bore and Stroke Volume of Oil Combustion Aspiration Type Radiator Water Tank Diesel tank capacity 6 105 x 135 mm 13 L Vortex Design Natural Aspirated 50 C 135 L 274 C Brushless sel excited 100 12 160 A Efficient A V R Protection I...

Страница 24: ...face after controller started choose 1 See Fig 1 2 Press ID key to enter parameter configuration password confirm interface See Fig 2 When 1234 is put part of the parameters can be set when 0318 is input all the parameters can be set 3 Press e or 8 key to increase or decrease values Press ID key to shift cursor and confirm setting 4 If password is correct enter into parameter interace Press e key ...

Страница 25: ...er setting menu 5 If parameter within the range the setting can be saed in internal FLASH of controller If out of range it can A Note Pressing key at any time can exit the editor and return to main menu PARAMETER RANGE AND DEFINITION 24 1 Parameter Selting ...

Страница 26: ...25 ...

Страница 27: ...26 ...

Страница 28: ...27 ...

Страница 29: ...28 TYPICAL APPLICATIONS ...

Страница 30: ...29 ...

Страница 31: ...30 7 EXPLODING VIEW AND PARTS LIST applies to all models CYLINDER BLOCK ASSEMBLY ...

Страница 32: ...ear housing Bolt M8X25 Spring washerφ8 Washerφ8 Gasket of gear housing cover Gear housing cover Bolt M10X70 Spring washerφ10 Washerφ10 Front oil seal FB55X85X12 Bolt M8X22 Spring washerφ8 Washerφ8 Advanced device cover Gasket of advanced device cover Bolt M10X25 Spring washerφ10 Gasket of gear housing Bolt M10X100 Nut M10 Spring washerφ10 Washerφ10 Water sealing ring Bolt M8X25 Spring washerφ8 Was...

Страница 33: ...cock Rear cover sealing Rear cover Oil screw ZG3 8 Cylinder block assembly Stud M8X40 Combined seal washer Roof nut M10 Oil dipstick Bolt M8X20 Spring washerφ8 Washerφ8 Gasket of front cover Front cover 1 Front cover 2 Oil screw ZG1 8 Locating pin B10X25 Plug of camshaft φ55 Gasket of flywheel housing Bolt M8X16 Spring washerφ8 Washerφ8 Dust proofed shell Flywheel housing Rear oil seal FB100X125X1...

Страница 34: ...33 CYLINDER HEAD ASSEMBLY ...

Страница 35: ...fold Inlet manifold Gasket of inlet pipe Inlet pipe Stud M8X50 Spring washerφ8 Washerφ8 Cylinder head assembly Gasket of exhaust manifold Exhaust manifold Bolt M8X25 Spring washerφ8 Washerφ8 Gasket of exhaust pipe Bolt M8X25 Spring washerφ8 Part of oil added cover Tube for ventilator Hoopφ Cylinder head cover Sealed gasket of cylinder head cover Gasket of side cover Side cover Bolt M8X45 Nut M8 Sp...

Страница 36: ...35 2 4 4 NUMBER PART NAME QUANTITY 34 35 36 Host ring Bolt M10X20 Spring washerφ10 ...

Страница 37: ...36 CRANK AND CONNECTING ROD MECHANISM ...

Страница 38: ... 8 9 10 11 12 13 14 15 16 Bolt of crankshaft pulley Crankshaft pulley washer Crankshaft pulley Crankshaft pulley Key C10X50 Connecting rod Piston Snap ring 28 Piston rings Piston pin Crankshaft Oil baffle disc Locating pin B10X25 Connecting rod bearing Flywheel Flywheel bolt ...

Страница 39: ...38 VALVE ACTUATING MECHANISM ...

Страница 40: ...ar washer Bolt M8X22 Spring washerφ8 Bolt M8X30 Spring washerφ8 Camshaft washer Camshaft gear Thrust plate of camshaft Bolt M8X25 Spring washerφ8 Key C8X22 Camshaft Valve tappet Push rod Rock arm assembly Rock arm bolt Roof nut M8 Combined seal washerφ8 Nut M10 Spring washerφ10 Seat of valve spring Split of valve spring Valve spring outer Valve spring inner Valve oil seal Exhaust valve Inlet valve...

Страница 41: ...40 FUEL SUPPLY SYSTEM ...

Страница 42: ...t M8X25 Spring washerφ8 Washerφ8 Bolt M8X25 Spring washerφ8 Washerφ8 Nut M8 Fuel in joint Bracket for fuel filter Fuel filter Complex pipe for Income and return Fuel pump gear High pressure fuel pipe Injector assembly S529 Fuel pump assembly BH4Q90R9 Transport pipe out fuel pump Transport pipe to fuel filter ...

Страница 43: ...42 LUBRICATING SYSTEM ...

Страница 44: ...ng washerφ8 Washerφ8 Oil filter assembly JX0810 Bolt M8X45 Spring washerφ8 Washerφ8 Bolt M8X25 Spring washerφ8 Washerφ8 Oil returned cover for turbo Gasket of oil returned cover for turbo Gasket of oil filter assembly Connected cover for oil filter Gasket of connected cover for oil filter Bolt M8X35 Spring washerφ8 Washerφ8 Bolt M8X16 Spring washerφ8 Oil pipe Hollow bolt M18X1 5 Bronze washerφ18 B...

Страница 45: ...44 2 1 1 1 1 1 1 1 NUMBER PART NAME QUANTITY 34 35 36 37 38 39 40 41 Washerφ8 Oil pump driven gear Oil pump gear Bolt M8X40 Spring washerφ8 Oil pump assembly O ring 24X2 4 Oil strainer ...

Страница 46: ...45 COOLING SYSTEM ...

Страница 47: ...sherφ12 Bracket of radiator Front foot Bolt M12X25 Spring washerφ12 Nut M14 Bolt M8X35 Spring washerφ8 Washerφ8 Fan V Belt 1168 Padding block for fan Bolt M8X45 Spring washerφ8 Washerφ8 Water pump assembly Gasket of water pump Bolt M8X85 Spring washerφ8 Washerφ8 Water temperature sensor Water Temperature Induction Plug Joint Combined sealed washer Bolt M8X25 Spring washerφ8 Washerφ8 Thermostat hou...

Страница 48: ...47 2 2 2 1 2 1 1 1 4 NUMBER PART NAME QUANTITY 34 35 36 37 38 39 40 41 42 Bolt M8X50 Spring washerφ8 Washerφ8 Thermostat housing cover Hoopφ26 Connected tube Inlet tube Outlet tube Hoopφ38 ...

Страница 49: ...48 ELECTRIC SYSTEM ...

Страница 50: ...BER PART NAME QUANTITY 1 2 3 4 5 6 7 8 9 10 11 Bolt M12X30 Spring washerφ12 Starting motor assembly Generator assembly Bolt M8X30 Spring washerφ8 Washerφ8 Adjusted bracket of generator assembly Bolt M8X25 Spring washerφ8 Washerφ8 ...

Страница 51: ...S ELECTRIC MACHINERY CO LTD are complying the rules of Machinery Directive EN 60204 1 2018 EN ISO 12100 2010 EN ISO 8528 13 2016EN 55012 2007 A1 2009 EN IC 61000 3 2 2019 EN 61000 3 3 2013 A1 2019 EN 55012 2007 A 1 2009 The DAEWOO Products authorized representative declares that these products described under technical data are in compliance with Machinery Directive EN 60204 1 2018 EN ISO 12100 20...

Страница 52: ...ings Also the warranty does not cover failure of the automatic voltage regulator due to incorrect operation Failure caused by clogging of the fuel and cooling systems Wearing parts carbon brushes belts rubber seals oil seals shock absorbers springs clutches spark plugs mufflers nozzles pulleys guide rollers cables recoil starter chucks collets removable batteries filters and safety elements grease...

Страница 53: ...0 1 SAFETY PRECAUTIONS 51 2 INTRODUCTION 52 3 PRINCIPLE OPERATION 53 4 APPLICATION OF THE GENERATOR 53 5 INSTALLATION PART 1 58 6 INSTALLATION PART 2 65 7 ACCESORIES 67 8 SERVICE AND MAINTENANCE 70 INDEX ...

Страница 54: ...aintenance Disable closing circuits and or place warning notices on any circuit breakers normally used for connection to the mains or other generators to avoid accidental closure Observe all IMPORTANT CAUTION WARNING AND DANGER notices defined as IMPORTANT Important refers to hazard or unsafe method or practice which can result in product damage or related equipment damage CAUTION Caution refers t...

Страница 55: ...he PMG Pilot exciter system and an automatic voltage regulator AVR The MX 341 or the MX 321 can be fitted 2 2 SERIAL NUMBER LOCATION Each generator has ns unique serial number stamped int the upper section of the drive end frame end ring Inside the term inal box two adhesive rectangular labels have been fixed each carrying the generator s unique identity number One label has been fixed to the insi...

Страница 56: ...es ensuring close regulation In addition it detects engine speed and provides voltage fall off with speed Below a pre selected speed Hz setting preventing over excitation at low engine speeds and softening The effect of load switching to relieve burden on the engine 4 APPLICATION OF THE GENERATOR The generator is supplied as a component part for installation in a generating set It is not therefore...

Страница 57: ...ected dripproof design and are not suitable for mounting outdoors unless adequately protected by the use of canopies Anticondensation heaters are recommended during storage and for standby duty to ensure winding insulation is maintained in good condition When installed in a closed canopy it must be ensured that the ambient temperature of the cooling air to the generator does not exceed that for wh...

Страница 58: ...e of windings Dynamic balancing of the generator rotor assembly has been carried out during manufacture in accordance with BS 6861 Part 1 Grade 2 5 to ensure vibration limits of the generator are in accordance with BS 4999 Part 142 The main vibration frequencies produced by the component generator are as follows The standard terminal box is arranged for cable entry on the right hand side looking f...

Страница 59: ...0 3 Where ISO 8525 is taken to be broad band measurements and Bs 5000 refers to the predominant frequency of any vibrations on the generating set Definition of BS 5000 3 Generators shall be capable of continuously with standing linear vibration levels with amplitu des of 0 25 mm between 5 Hz and 8Hz and velocities of 9 0mm s rms between 8 Hz and 200 Hz when measured at any point directly on the ca...

Страница 60: ... generator can increa se the overall rig idity of the set A flexible coupling designed to Suit the Specific engine gene rator combination is recommended to minimise torsional effects Alignment of single bearing generators is critical and vibration can occur due to the flexing of the flanges between the engine and generator A substantial bedplate with engine generator mounting pads is required The ...

Страница 61: ...g lug See sample below Single bearing generators are supplied fitted with a rotor retaining bar at the drive end of the shaft Single bearing generators are also fitted with wooden wedges supporting the fan for transit purposes Once the bar is removed to couple the rotor to engine the rotor is free to move in the frame and care is needed during coupling and alignment to ensure the frame is kept in ...

Страница 62: ...uring the aligning and fitting of coupling bolts care should be taken to lock the assembly to ensure there is no possibility Of assembly rotational movement 5 2 1 TWO BEARING GENERATORS A flexible coupling should be fitted and aligned in accordance with the coupling manufacturer s instruction If a close coupling adaptor is used the alignment of machine faces must be checked by offe ring the genera...

Страница 63: ...vely the rotor can be suspended by means of a rope sling through the adaptor opening Offer the generator to engine and engage both coupling discs and housing spigots at same time pushing generator towards engine until coupling discs are against flywheel face and housing spigots located 5 Fit housing and coupling bolts taking care to use heavy gauge washers between coupling bolt head and coupling d...

Страница 64: ...n clockwise as viewed from the drive end If the generator is to be rotated in the counter clockwise direction it will be necessary to connect the customer output cables accordingly Refer to the factory for reverse rotation wiring diagram 5 4 3 VOLTAGE AND FREQUENCY Check that the voltage and frequency that are required for the generating set application is as indicated on the generator nameplate I...

Страница 65: ...s below 90kW LINKA C below 550kW LINK B C 3 Stability selection terminals LINK 2 3 LINK4 5 LINK 6 7 4 Excitation Interruption Link LINK K1 K2 5 5 GENERATOR SET TESTING Warning During testing It may be necessary to remove covers to adjust controls exposing live terminals or components Only personnel qualified to perform electrical service should carry out testing 62 ...

Страница 66: ...uld carry out testing and or adjustments Replace all access covers after adjustments are completed On completion of generating set assembly and before starting the generating set ensure that all engine manufacturer s pre running procedures have been completed and that adjustment of the engine governor is such that the generator will not be subjected to speeds in excess of 125 of the rated speed IM...

Страница 67: ...esting and or adjustments Refit all access covers after adjustments are completed 5 7 1 AVR ADJUSTMENTS Refer to Fig 5 for control potentiometer locations Having adjusted VOLTS and STABILITY during the initial start up procedure other AVR control functions should not normally need adjustment If instability on load is experienced recheck stability setting Refer to subsection 4 6 If however poor vol...

Страница 68: ...sories for control panel mounting supplied with the generator refer to the specific accessory fitting procedures inserted inside the back cover of this book Replace AVR access cover after all adjustments are completed Warning Failure to refit covers can result in personal injury or death 6 INSTALLATION PART 2 6 1 GENERAL The extent of site installation will depend upon the Generating set build e g...

Страница 69: ... as detailed in the Service and Maintenance section of this manual 6 3 TORQUE SETTINGS FOR TERMINAL CONNECTIONS Pre treatment Clean plated surfaces with a degreasing agent then lightly abrade them to remove any tarnish Don t score the surface The generator torque settings for all generator connections links CT s accessories cables etc is 45 Nm The customer output cables should be connected to the ...

Страница 70: ...l cabling is correct and that all of the generating set manufacturer s pre running checks have been carried out before starting the set Generators fitted with air filters should have the filters charged with oil prior to commissioning Refer to Service section for charging procedure subsection 7 3 2 The generator AVR controls will have been adjusted during the generating set manufacturer s tests an...

Страница 71: ...oni sers can be used to ensure these conditions are met Once connected in parallel a minimum instrumentation level per generator of voltmeter ammeter wattmeter measuring total power per generator and frequency meter is required in order to adjust the engine and generator controls to share KW in relation to engine ratings KVAr in relation to generator ratings It is important recognize that 1 kW are...

Страница 72: ...sioning Although nominal droop setting may be factory set it is advisa ble to go through the setting procedure below 7 2 1 1 SETTING PROCEDURE Depending upon available load the fol lowing settings should be used laa are based on rated current level 0 8 P F load at full load current set droop to 3 Zero P F load at full load current set droop to 5 Setting the droop with low power factor load is the ...

Страница 73: ...windings Reverse power relays should be fitted to trip main circuit breaker IMPORTANT LOSS OF EXCITATION to the generator can result in large c urrent oscilla tions with consequent damage to generator winndings Excitation loss detection equipment should be fitted to trip main circuit breaker IMPORTANT When using this connection arrangement a shorting switch is required across each C T Burden termi...

Страница 74: ...ce that generator will arrive at the Gen set production line with IR values still at the factory test levels of above 100MΩ cannot be guaranteed At Generating Sat Manufacturers Works The generator should have been transported and stored such that it will be de livered to the assembly area in a clean dry condition If held in appropriate storage conditions the generator IR value should typically be ...

Страница 75: ... S Resistance Temperature Detection devices if fitted Short out the diodes on the rotating diode assembly Be aware of all components connected to the system under test that could cause false readings or be damaged by the test voltage Carry out the insulation test in accordance with the operating instructions for the test equip ment The measured value of insulation resistance for all windings to ea...

Страница 76: ...al and electrical safety procedures pertaining to the genset and the site Bolt a short ci rcuit of adequate current carrying capacity across the main terminals of the generator The shorting link should be capable of taking full load current Disconnect the cables from terminals X and XX of the AVR Connect a variable de supply to the X positive and XX negative field cables The de supply must be able...

Страница 77: ...nt A the steady state must be greater than 1 0MΩ If the windings are only slightly damp the dotted portion of the curve may not appear For general guidance expect that the typical time to reach point A will be approximately 3 hours for a LV 6 generator Drying should be continued after point A has been reached for at least one hour It should be noted that as winding temperature increases values of ...

Страница 78: ...the vibration limits set out im BS 5000 3 and ISO 8528 9 are exceeded bearing life will be reduced Refer to vibration below IMPORTANT Long stationary periods in an environment where the generator is subject to vibration can cause false brinneling which puts flats on the ball and grooves on the races leading to premature failure IMPORTANT Very humid atmospheric or wet conditions can emulsify the gr...

Страница 79: ...t Newage International limited If the vibration levels of the generating set are not within the parameters quoted above 1 consult the genset builder The genset builder should address the genset design to reduce the vibration levels as much ad possible 2 Discuss the impact of not meeting the above levels on both bearing and generator life expectancy Where requested or deemed necessary Newage will w...

Страница 80: ...red as an addition to the standard build option Filters on it s need to be ordered with the generator Air filters need to be charged with oil before the genset is put to work see 8 3 2 The frequency of fi lter mainte nance will depend upon the severity of the site conditions Regular inspection of the elements will be required to establish when cleaning is necessary Danger Removal of filter element...

Страница 81: ...before refitting the elements into the frames and putting into service 8 4 FAULT FINDING IMPORTANT Before commencing any faultfinding procedures examine all wiring for broken or loose connections Two types of AVR can be fitted to the WH generator The Refer to the generator nameplate for type of AVR fitted 8 4 1 MX341 AVR FAULT FINDING 8 5 SEPARATE EXCITATION TEST PROCEDURE The generator windings d...

Страница 82: ...tage at 6 7 and 8 are unbalanced check continuity of leads 6 7 and 8 If voltages are unbalanced refer to 7 5 1 2 8 5 1 1 BALANCED MAIN TERMINAL VOLTAGES If all voltages are balanced within 1 at the main terminals it can be assumed that all exciter windings main windings and main rotating diodes are in good order and the fault is in the AVR or transformer control Refer to subsection 7 3 2 for test ...

Страница 83: ...rectifier assembly the output is still low when separately excited then the main rotor exciter stator and exciter rotor winding resistan ces should be checked see Resistance charts as the fault must be in one of these windings The exciter stator resistance is measured across leads X and XX The exciter rotor is conne Main Excitation Windingscted to six studs that also carry the diode lead t erminal...

Страница 84: ...trol potentiometer fully anti clockwise 8 5 3 REMOVAL AND REPLACEMENT OFCOMPONENT ASSEMBLIES METRIC THREADS ARE USED THROUGHOUT CAUTION When lifting single bearing generators care is needed to ensure the generator frame is kept in the horizontal plane The rotor is free to move in the frame and can slide out if not correctly lifted Incorrect lifting can cause serious injury to personnel 8 5 3 1 ANT...

Страница 85: ...eparation Remove the lubrication pipework if fitted Position the rotor so that the full pole face of the main rotor is at the bottom of the stator bore Remove the end bracket see 7 5 3 4 for procedure NOTES It is not necessary to remove the rotor Ensure that the bearing contact surface shows no sign of wear or corrosion prior to fitting the bearing Never refit used bearings Wave washer or O rings ...

Страница 86: ...t all components after cleaning for contamination 3 Place all components on the clean assembly surface Do not use an air line to blow off excess fluid 4 Thoroughly clean the external surface of the grease gun nozzle using lint free cloth Bearing preparation 1 Remove the veering from its packaging 2 Wipe off the preservative oil from the surface of the inner and outer rings using lint free cloth on...

Страница 87: ... the bearing seating shoulder 3 Rotate the assembly including inner race 45 C in either direction to provide correct align ment The bearing must be held firmly in place until I s cool enough to positively locate NOTE Ensure cartridge is at ambient temperature before assembling bracket Cap Flinger Apply the specified cap grease fill quantity to the I nside face of the cap see table 16 1 Fill the gr...

Страница 88: ...ee cloth Bearing preparation 1 Remove the bearing from its packaging 2 Wipe off the preservative oil from the surface of the inner and outer r ings using lint free cloth only 3 Place the bearing on the clean assembly surface with the bearing designation marking facing down Bearing Assembly Cartridge 1 Apply anti fretting lubricant MP 14002 kluber Altemp Q NB 50 to the bearing housing circumference...

Страница 89: ...emove the 8 bolts holding the drive and adaptor to the frame 4 With a rope sling around drive end adaptor tap adaptor out of its spigot location guide over fan and remove 5 If the generator is fitted with a cartridge Remove the 4 bolts retaining the end bearing cartridge in the non drive end endbracker outer 4 bolts This includes all regreasable options 6 Remove the 8 bolts securing the non drive ...

Страница 90: ...e bearing machines with the exception of Steps 4 and 5 relating to the drive end adaptor For removal of this item proceed as follows 1 Remove the 8 bolts holding drive end adaptor to frame and 4 olts retaining bearing cartridge in drive end bracket outer 4 bolts if fitted 2 With rope sling around the shaft extension supporting the roto weight tap the drive end bracket spigot out of its locating re...

Страница 91: ...www daewoopowerproducts com Manufactured under license of Daewoo International Corporation Korea ...

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