Makita G1200R Instrukcja Obsługi

Makita CorporationMAKITA GeneratorSERVICE MANUALG12000R

−−8−−4-2-5 A.V.R (AUTOMATIC VOLTAGE REGULATOR)(G1200R only)The automatic voltage regulator employs anelectronic circuit to automatically regulatevolta

−−9−−4-2-7 IDLE CONTROL UNIT (G12000R only)The idle control unit 11 releases throttlevalve when the applied load current exceeds0.04A.The two output w

−−10−−Model Specification No-fuse Breaker Object of ProtectionG12000R 60Hz-120V/240V 39A Total output amperage4-2-8 OIL PRESSURE SWITCHThe oil pressur

−−11−−4-2-11 AC ReceptacleAC receptacles are used for taking AC output power from the generator. A total of 4 kinds of receptacle, each varying in rat

−−12−− Check the amperage of the receptacles used referring to TABLE 1, and be sure not to take acurrent exceeding the specified amperage. Be sure tha

−−13−−GFCI RECEPTACLEAfter starting the engine, check the GFCI for proper functioning by the following test procedure. Push blue TEST button, The red

−−14−−MAIN POWER LINETRANSFER SWITCHUTILITY HIGH LINECONNECTING BOX240VRECEPTACLEUtility high lineMeter boxGeneratorHouse circuit breakerXWYX(X)(Y)(G)

−−15−−(c) Operating the generator. Turn the house AC breaker off before starting the generator. Start the generator and warm it up. Turn the house AC

−− 16−−4-3 DESCRIPTION of GENERATOR OPERATION4-3-1 PRIMARY EXCITING ACTION(G12000R)When the generator is started, the perma-nent magnet on the engine

−− 17−−5. SAFETY PRECAUTIONS1. Use extreme caution near fuel. A constant danger of explosion or fire exists.Do not fill the fuel tank while the engine

CONTENTSSection Title Page1. SPEC

−− 18−−6. RANGE OF APPLICATIONSGenerally, the power rating of an electrical appliance indicates the amount of work that can bedone by it. The electric

−− 19−−NOTE 2 : Motor-driven appliances mentioned in lets (3) and (4) vary in their required motor startingpower depending on the kind of motor and st

−− 20−−NOTES : Wiring between generator and electrical appliances1. Allowable current of cable Use a cable with an allowable current that is higher th

−− 21−−FOR AC7. MEASURING PROCEDURES(2) AMMETERAC ammeter is necessary. An AC ammeter with a range that can bechanged according to the current ratingo

−− 22−−(4) CIRCUIT TESTERUsed for measuring resistance, etc.(5) MEAGER TESTERUsed for measuring generator insulationresistance.Select one with testing

−− 23−−7-3MEASURING INSULATION RESISTANCEUse a megger tester to check the insulationresistance. Connect a megger tester to oneof receptacle output ter

• ROTORMeasure the resistance between the slip ringand the core.• CONTROL PANELMeasure the insulation resistance betweenthe live parts and the grounde

−− 25−−8. CHECKING FUNCTIONAL MEMBERSPILOT LAMP8-2 AC RECEPTACLESUsing a circuit tester, check continuitybetween the two terminals at the rear of theA

−− 26−−Model Hz/VoltageStator coilRed-White Black-Blue Black-RedWhite-Light greenBlack-WhiteG12000R 60/120/2400.11Ω 0.11Ω------------0.37Ω------------

−− 27−−8-5 ROTOR ASSEMBLY1) Field coilRemove the brush holder and measure resistance between the slip rings.NOTE : If the circuit tester is not suffic

−−1−−1. SPECIFICATIONSModelG12000RAlternatorTypeRated voltageBrush, Self-exciting, 2-pole, Single phase61 1 mm (752 mm *1)Rated frequency 60Hz771 mm (

−− 28−−8-7 BRUSHThe brushes must be smooth where theycontact the slip rings. If not, polish smooththe brushes with sandpaper. A brush that isnot smoot

−− 29−−* Checking table for analogue circuit tester. Analogue circuit testerApply black-needle of the circuit testerYellowBlack 11White 22Light green

−− 30−−*Tester measuring range : 1000 k8-10 IDLE CONTROL UNIT(G12000R only)Check the resistance between five terminalsof IDLE CONTROL UNIT with circui

−− 31−9. DISASSEMBLY AND ASSEMBLY9-1 PREPARATION and PRECAUTIONS1) Be sure to memorize the location of individual parts when disassembling the generat

−− 32−9-3 COMPONENT PARTSFor disassembling and assembling, the following illustrations show the major component partsand their configuration for (1) G

−− 33−(1) Generator assembly11.8-13.7Nm120-140Kg-cm11.8-13.7Nm120-140Kg-cm22.5-24.5Nm230-250Kg-cmROTORSTATORBEARINGTHROUGH BOLTREAR COVERGENERATORBASE

−− 34−−(2) Control Box (G12000R)CONTROL BOXPLATENO-FUSEBREAKERAC RECEPTACLECONNECTORCAPA.V.R.(AUTOMATICVOLTAGEREGULATOR)IDLE CONTROLUNITECU (P4)EARTH(

−− 35−−(3) Fuel TankFUEL GAUGEFUEL TANK CAPFUEL TANKFILTERPACKINGCUPHOSE CLAMPHOSECLAMPRUBBERPIPE (120 mm)RUBBERPIPE (630 mm)PURSELOCKFUEL FILTERFRANG

−− 36−−9-4-1 FRONT COVERAttach the front cover to the engine mainbearing cover. Match the faucet joint andtighten the bolts.FRONT COVERBOLTSPRING WASH

−− 37−−Fig. 9-89-4-3 STATOR(1) Put the stator in the rear cover setting thefour grooves on the side of stator withthread holes of the rear cover.Tight

−−2−−2. PERFORMANCE CURVESHz(Hz)(V)(125)63250(120)240(115)230(110)2206261600 1/2 4/4Load Rated240V/120VG12000R

−− 38−−9-5 REAR COVER(1) Put the rear cover with stator and statorcover over the rotor.Pull wires out from the rear cover.NOTE : Be careful not to giv

−− 39−−NOTE : When tightening the nuts, slightly lift thealternator assembly so that the weight isnot applied to the mount rubbers.(6) Fasten the eart

10. TROUBLESHOOTING10-1 No AC output* Checking the exciting coil for resistance. (G12000R) (Refer to 8-6.)If insulation is NG, replace exciting coil w

−− 41−10-4 Engine dose not run.Symptom Possible causes Remedy1. Electric starterdose not operate1) The key switch (or remoteswitch) is turned to "

5324(AC output)(AVR)1CONTROL BOXFuel cutIgnition coilAuto choke(Bimetal)ElectricstarterOil pressureswitchRegulatorMagneticswitchChargecoilExcitingcoil

Makita Corporation

−−3−−3. GENERAL DESCRIPTION OF GENERATORSPARK PLUG CAPFUEL COCKBATTERYTANK CAPSPARK PLUGCAPOIL FILLER CAPMUFFLERCONNECTORFOR REMOTECONTROL(G12000R onl

−−4−−CONTROL PANEL(G12000R)KEY SWITCHOIL PURESSUREWARNING LAMP0240110120220 IDLE CONTROLSWITCHVOLTMETERPILOT LAMP HOUR METERNO-FUSE BREAKERAC RECEPTAC

SERIAL NUMBERstamped label−−5−−SERIAL NUMBERSerial number is stamped on the label stuck on the end cover.NOTE : Always specify serial number when inqu

−−6−−4. CONSTRUCTION AND FUNCTION4-1 CONSTRUCTIONMOUNT RUBBER BALL BEARING TROUGH BOLTFRONT COVERREAR COVER ROTOR COMPLETESTATOR COMPLETESTATOR BOLTBR

7VR4-2-2 ROTORThe rotor consists of a laminated silicon steelsheet core and a field coil which is woundover the core.DC current in the field coil magn