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6. Maintenance/Adjustment

Symptom Cause Counter

measures

Even when
operated at a rated
speed, no voltage or
too low voltage
generated.

(1) Faulty voltmeter
(2) Poor tightening of terminals
(3) Broken or short-circuited winding of

generator main unit

(4) Faulty AVR
(5) Faulty silicon rectifier (mounted on

generator main unit rotor)

(6) Faulty exciter
(7) Broken or short-circuited circuit to

exciter field winding

(8) AVR frequency selection switch is not set

to meet the frequency to be operated.

(9) Function circuit protector (CP) for AVR

protection

Check/change
Check/repair
Check/repair

Check/change
Check/change

Check/repair
Check/repair

Check/select

Reset

Too high voltage
generated when set
at the rated
frequency
(50Hz/60Hz),
Voltage will not
drop even when the
voltage regulator
controlling knob is
turned.

(1) Loosened or disconnected wiring, or

connector to AVR

(2) Faulty AVR
(3) Broken wire or poor contact of AVR

variable resistor

Check/repair

Check/change
Repair or change

Unstable voltage
generation

(1) Poor tightening of each terminal
(2) Faulty AVR
(3) Function circuit protector (CP) for AVR

protection

Check/repair
Check/change

Reset

Please contact your nearest dealer if you find it difficult to repair by yourselves.

Please refer to the engine operation manual for troubles concerning the engine.

Содержание SDG60S-7A6

Страница 1: ......

Страница 2: ...afety of the engine see the Engine Operation Manual Keep the manual available at all times for the operator or safety supervisor If the manual is lost or damaged place an order with your dealer for an...

Страница 3: ...ecting Load 4 6 4 6 Engine Oil Coolant Fuel 4 10 4 7 Check before Starting the Machine 4 11 4 8 Operation and Stopping 4 14 5 Periodic Inspection Maintenance 5 1 5 1 Important items at Periodic inspec...

Страница 4: ...azardous situation which if not avoided will result in death or serious injury This signal word is to be limited to the most extreme situations WARNING indicates a potentially hazardous situation whic...

Страница 5: ...rtened Never use the machine for the other purposes than power supply Otherwise serious accidents may occur Exhaust gas from the engine is poisonous and could cause casualties when it is inhaled Avoid...

Страница 6: ...mplements such as a helmet protection glasses earplugs safety shoes a glove and a protection against dust mask according to the contents of work for safety Have first aid boxes and fire extinguishers...

Страница 7: ...ng operation Neglecting the cautions mentioned above and a third party starting the machine during operation may cause serious accidents such as electric shock Keep hands off from the rotating portion...

Страница 8: ...uch oils as diesel fuel oil and engine oil etc They are extremely flammable and dangerous so be careful when handling Refilling oils should be done in an outdoor well ventilated place Refuel after sto...

Страница 9: ...ous injury Be sure to stop the engine and remove the starter key whenever the tension of the fan belt is to be adjusted If the machine is running it might catch the operator s hand into the fan belts...

Страница 10: ...During operation or immediately after the engine stops its oil is extremely hot and pressurized so it may jet out when the cap is loosened Be careful not to scald yourself from it When washing the mac...

Страница 11: ...are damaged or missing immediately place an order with your nearest dealer for replacement Part numbers are indicated on the lower right corner of the label Adhere a new one to the original location T...

Страница 12: ...2 Part Names 2 1 2 1 Internal Components A070010 1 1 2 3 4 5 6 7 8 9 10 16 15 14 13 12 11...

Страница 13: ...water mixed in fuel oil 8 Fuel filter Filtering device for filtering dust mixed in fuel oil 9 Engine oil filler port For supplying and replenishing engine oil to engine 10 Radiator For cooling engine...

Страница 14: ...s running Otherwise a fatal trouble or serious accident may occur 3 1 1 Lifting Use the lifting bail 1 fitted on center of bonnet Select an appropriate crane or truck by referring to the mass and dime...

Страница 15: ...o secure enough space in front of air suction port and also to secure it after exhaust fume outlet port so that the engine may not get overheated Exhaust fume pipe extension should be provided to send...

Страница 16: ...y to sea water When installing the machine at a sandy place make sure that exhaust from the generator or radiator does not blow the sand up in the air or into the machine In case that the unit has to...

Страница 17: ...0507 In order to prevent from entering the jobsite or touching the equipment any other persons than the persons engaged in the job please prepare for safety fences around the unit Safety fences Prepar...

Страница 18: ...such electric shock accident caused between these two wires cables 3 3 1 Leakage Protection Device This machine is equipped with a leakage relay which detects leakage caused by a defective insulation...

Страница 19: ...Common grounding method Leakage relay ground terminal E Machine grounding terminal Load equipment Grounding rod Grounding rod A050314 1 A050315 1 Leakage relay ground terminal E Machine grounding term...

Страница 20: ...hase 2 wire Type Three phase 3 wire Type Single phase 3 wire Type and Three phase 4 wire Type The following tables show the relations between the cabtyre cable length and the cable thickness nominal c...

Страница 21: ...nel light switch 5 Frequency meter 6 Oil pressure gauge 7 Fuelmeter with hourmeter 8 Water temperature gauge 9 Speed control knob 10 Monitor lamp for details see 4 2 1 11 Leakage relay 12 Starter swit...

Страница 22: ...perating pressure lower than 0 1MPa Engine water tem perature rises In case of abnormal rise of engine water temperature it functions temperature reaches 105 Excessive rotation When engine rotates exc...

Страница 23: ...aker dedicated to single phase In case overload and short circuited wire connection should occur the circuit breaker trips It is impossible to switch ON the circuit breaker tripped and so stop the eng...

Страница 24: ...button with such sharply pointed things as a screwdriver ball point pens etc 4 3 Check Frequency Selection Switch for AVR Never touch the interior of control panel during operation Notice that the vo...

Страница 25: ...e voltages make sure to stop the machine Open the operation panel on the control panel and switch the voltages by connecting of short circuit plate 1 as shown in the following figure When you start op...

Страница 26: ...le to the voltage Secure connections between each cable terminal and input output terminal Otherwise it may be slackened during operation and may cause a fire or an electric shock accident Notice that...

Страница 27: ...ermissible current value 50Hz 200V 144A 60Hz 220V 157A 50Hz 380V 76 0A 50Hz 400V 72 2A 50Hz 415V 69 6A 60Hz 440V 78 7A In case inverter load The inverter capacity input kVA of inverter should not exce...

Страница 28: ...200V 144A 60Hz 220V 157A 50Hz 380V 76 0A 50Hz 400V 72 2A 50Hz 415V 69 6A 60Hz 440V 78 7A Allowable current limit up to the rate current But voltage change becomes larger due to the unbalance of each p...

Страница 29: ...owing table When using the auxiliary receptacle the total load capacity including U1 U2 terminal shall be used not to exceed the rated single phase output in the following table When using both single...

Страница 30: ...er ground water is used this will cause deposits inside radiator or on cylinder head and will cause engine overheat due to poor flow of coolant When the unit is used in a cold region and possible free...

Страница 31: ...again If the gauge shows the oil level between HIGH and LOW limits it is normal When the oil level is below its LOW add engine oil See 5 5 1 While checking oil level check also for contamination If t...

Страница 32: ...p And then the fuel may get spilt when the unit is moved transported and it is vibrating 4 7 4 Check Sedimentor Check if the red float 2 in the water sedimentor rises up to the water drain level then...

Страница 33: ...ion will be 8 12 mm 98 1N when pressing with a finger Be careful not to leave any grease and LLC on the belt If any of such material is left wipe it off completely 4 7 7 Check condensate in the oil fe...

Страница 34: ...uring operation may cause serious accidents such as electric shock When the breaker functions so often during operation reduce the load When using single phase load check the current of each phase and...

Страница 35: ...amp 5 glows Immediately when the preheat lamp 5 switches off fully turn the starter switch 4 clockwise to start engine Engine rpm rises up to the rated rpm Once the engine has started up leave the eng...

Страница 36: ...table above gives standard values They may vary slightly depending on the operating conditions and other factors In single phase load operation check the current of U V and W phase with the ammeter b...

Страница 37: ...allow the engine to run the following causes are suspected Therefore check the following No fuel Clogging of fuel filter Clogging of filter inside the fuel air bleeding electromagnetic pump Discharge...

Страница 38: ...sure to use recommended fuel oil grease or antifreeze Do not disassemble or adjust engine compressor or part s for which inspection or maintenance is not referred to in this manual Use genuine parts f...

Страница 39: ...ortage of machine components and parts should be checked f Performance of each part or component should be proper Keep the operation log to record constant inspection of each component so that trouble...

Страница 40: ...ank 5 7 Check condensate in the oil fence 4 13 Clean inside of the oil fence and check it for any rust 5 11 Check it every other year Check Sedimentor 4 12 Check fuel 4 12 Check engine oil level 4 11...

Страница 41: ...oil could blow out and can cause injury Procedure Remove the drain plug 1 provided outside the ma chine Open the drain valve 2 inside the machine to drain the engine oil condensate After having draine...

Страница 42: ...stator etc and also check for dust or dirt because these things such as humidity oil and dust sticking to the unit deteriorate the insulation After cleaning the main part of the generator as disposal...

Страница 43: ...he LEAKED lamp 2 on the instrument panel glow the relay function is normal if the circuit breaker is switched OFF To set the breaker ON once again push the leakage relay reset button 3 and set the bre...

Страница 44: ...ior properly Remove the element 3 and clean it When installing the cap 1 after finishing the cleaning job push the element into the case 4 surely by hand and then make sure that the latch 2 fixing the...

Страница 45: ...sconnection and short circuit 5 5 10 Change Fuel Filter Every 500 hours Procedure Take out the cartridge by using a filter wrench After coating fuel on the new cartridge 1 packing 2 screw it in See 5...

Страница 46: ...strainer 1 by loosening the joint bolt and clean it with diesel fuel oil and also using high air pressure blow At this time be sure to replace gasket See 5 3 Then after finishing all cleaning jobs in...

Страница 47: ...ke daily check and cleaning so that the life of the engine will not be shortened Procedure After removing the cap 1 by loosening its latch 2 clean its interior properly Remove the element 3 and then r...

Страница 48: ...l fence for dust fur and other foreign matter and check it for any rust When the oil fence is found rusted remove the rust outside and inside and paint it again Should any leakage be found contact you...

Страница 49: ...s stored put it in a container with an indication saying LLC Antifreeze inside and seal it up then Keep it in a place away from children Beware of flames Procedure To drain coolant remove the radiator...

Страница 50: ...use explosion as well as reduction of battery life Add distilled water so that the liquid level may reach the middle level between the UPPER and LOWER level without any delay Do not charge the frozen...

Страница 51: ...careful not to connect and terminals backwards Such wrong connection will cause spark and damage to each component Procedure for using a booster cable Stop the engine Connect one end of the cable to...

Страница 52: ...ter Check fuse Change solenoid Check connector Replenish fuel Bleed air Engine oil pressure drop monitor lamp glows 1 Engine oil shortage 2 Engine oil filter clogging 3 Oil pressure switch malfunction...

Страница 53: ...hange Check repair Check repair Check change Check change Check repair Check repair Check select Reset Too high voltage generated when set at the rated frequency 50Hz 60Hz Voltage will not drop even w...

Страница 54: ...port of engine and other openings like the muffler with a vinyl sheet packing tape etc to prevent moisture and dust from getting in the unit Measure the insulation resistance of the generator and make...

Страница 55: ...2 8 25 2 Generator Single phase output Outlet kVA 1 5 2 1 65 2 Model ISUZU BB 4BG1T Type 4 cycle water cooled direct injection type with turbo charged Number of cylinders 4 Total displacement L 4 329...

Страница 56: ...8 Specifications 8 2 8 2 Outline drawing A060509E 1...

Страница 57: ...9 Wiring Diagram 9 1 9 1 Generator Wiring Diagram A050635E...

Страница 58: ...9 Wiring Diagram 9 2 9 2 Engine Wiring Diagram A070003E...

Страница 59: ...10 Piping Diagram 10 1 10 1 Fuel piping A070103E 1...

Страница 60: ...PRINTED IN JAPAN 2007 9 8TH FLOOR SHINJUKU SAN EI BLDG 22 2 NISHI SHINJUKU 1 CHOME SHINJUKU KU TOKYO 160 0023 JAPAN TEL 81 3 3348 7281 FAX 81 3 3348 7289 URL http www airman co jp 2006 2 27 2003 4 20...

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