Makita Portable Generator G12010R User Manual

アメリカ  
GENERATOR  
INSTRUCTIONS FOR USE  
ISSUE EMD-GU2000  
3ZZ9020161  
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WARNING:  
The engine exhaust from this product contains  
chemicals known to the State of California to  
cause cancer, birth defects or other reproductive  
harm.  
NOTICE  
FEDERAL EMISSION COMPONENT DEFECT WARRANTY and CALIFORNIA  
EMISSION CONTROL WARRANTY are applicable to only those engines/  
generators complied with EPA (Environmental Protection Agency) and CARB  
(California Air Resources Board) emission regulations in the U.S.A.  
NOTICE  
To the engines/generators exported to and used in the countries other than the  
U.S.A., warranty service shall be performed by the distributor in each country in  
accordance with the standard engine/generator warranty policy as applicable.  
AIR INDEX  
To show compliance with California emission regulations, a hangtag has been  
provided displaying the Air Index level and durability period of this engine.  
The Air Index level defines how clean an engine’s exhaust is over a period of  
time. A bar graph scaled from “0” (most clean) to “10” (least clean) is used to  
show an engine’s Air Index level. A lower Air Index level represents cleaner  
exhaust from an engine.  
The period of time (in hours) that the Air Index level is measured is known as  
the durability period. Depending on the size of the engine, a selection of time  
periods can be used to measure the Air Index level (see below).  
Descriptive Term Applicable to Emissions Durability Period  
Moderate  
-
-
-
50 hours (engine from 0 to 80 cc)  
125 hours (engine greater than 80 cc)  
Intermediate  
Extended  
125 hours (engine from 0 to 80 cc)  
250 hours (engine greater than 80 cc)  
300 hours (engine from 0 to 80 cc)  
500 hours (engine greater than 80 cc)  
Notice : This hangtag must remain on this engine or piece of equipment, and  
only be removed by the ultimate purchaser before operation.  
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FEDERAL EMISSIONS COMPONENT DEFECT WARRANTY  
EMISSIONS COMPONENT DEFECT WARRANTY COVERAGE - This emission warranty is  
applicable in all States, except the State of California  
Makita U.S.A. Inc., La Mirada, California, (herein "MAKITA") warrant(s) to the initial retail purchaser  
and each subsequent owner, that this Nonroad engine (herein "engine") has been designed, built,  
and equipped to conform at the time of initial sale to all applicable regulations of the U.S.  
Environmental Protection Agency (EPA), and that the engine is free of defects in materials and  
workmanship which would cause this engine to fail to conform with EPA regulations during its  
warranty period.  
For the components listed under PARTS COVERED, the Makita Factory Service Center or Service  
Center authorized by MAKITA will, at no cost to you, make the necessary diagnosis, repair, or  
replacement necessary to ensure that the engine complies with applicable U.S. EPA regulations.  
EMISSION COMPONENT DEFECT WARRANTY PERIOD  
The warranty period for this engine begins on the date of sale to the initial purchaser and continues  
for a period of 2 years.  
PARTS COVERED  
Listed below are the parts covered by the Emission Components Defect Warranty. Some of the parts  
listed below may require scheduled maintenance and are warranted up to the first scheduled  
replacement point for that part.  
(1) Fuel Metering System  
(3) Ignition System  
(i) Carburetor and internal parts (and/or  
pressure regulator or fuel injection  
system).  
(i) Spark plugs.  
(ii) Magneto or electronic ignition system.  
(iii) Spark advance/retard system, if  
applicable.  
(ii) Air/fuel ratio feedback and control system,  
if applicable.  
(4) Exhaust manifold, if applicable  
(iii) Cold start enrichment system, if  
applicable.  
(5) Miscellaneous Items Used in Above Systems  
(i) Electronic controls, if applicable  
(iv) Regulator assy (gaseous fuel, if  
applicable)  
(ii) Hoses, belts, connectors, and  
assemblies.  
(2) Air Induction System  
(i) Intake manifold, if applicable  
(ii) Air filter.  
(iii) Filter lock assy (gaseous fuel, if  
applicable)  
OBTAINING WARRANTY SERVICE  
To obtain warranty service, take your engine to the nearest Makita Factory Service Center or Service  
Center authorized by MAKITA. Bring your sales receipts indicating date of purchase for this engine.  
The Makita Factory Service Center or Service Center authorized by MAKITA will perform the  
necessary repairs or adjustments within a reasonable amount of time and furnish you with a copy of  
the repair order. All parts and accessories replaced under this warranty become the property of  
MAKITA.EPA - MAKITA FEDERAL EMISSIONS COMPONENT DEFECT WARRANTY-continued  
WHAT IS NOT COVERED  
*Conditions resulting from tampering, misuse, improper adjustment (unless they were made by the  
Makita Factory Service Center or Service Center authorized by MAKITA during a warranty repair),  
alteration, accident, failure to use the recommended fuel and oil, or not performing required  
maintenance services.  
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*The replacement parts used for required maintenance services.  
*Consequential damages such as loss of time, inconvenience, loss of use of the engine  
orequipment, etc.  
*Diagnosis and inspection charges that do not result in warranty-eligible service being performed.  
*Any non-authorized replacement part, or malfunction of authorized parts due to use of non-  
authorized parts.  
OWNER'S WARRANTY RESPONSIBILITIES  
As the engine owner, you are responsible for the performance of the required maintenance listed in  
your owner's manual. MAKITA recommends that you retain all receipts covering maintenance on  
your engine, but MAKITA cannot deny warranty solely for the lack of receipts or for your failure to  
ensure the performance of all scheduled maintenance.  
As the engine owner, you should however be aware that MAKITA may deny warranty coverage if  
your engine or a part has failed due to abuse, neglect, improper maintenance or unapproved  
modifications.  
You are responsible for presenting your engine to the nearest Makita Factory Service Center or  
Service Center authorized by MAKITA when a problem exists.  
If you have any questions regarding your warranty rights and responsibilities, you should contact  
the Makita Warranty Department at 1-800-4-MAKITA for the information.  
THINGS YOU SHOULD KNOW ABOUT THE EMISSION CONTROL SYSTEM WARRANTY  
MAINTENANCE AND REPAIRS  
You are responsible for the proper maintenance of the engine. You should keep all receipts and  
maintenance records covering the performance of regular maintenance in the event questions  
arise. These receipts and maintenance records should be transferred to each subsequent owner of  
the engine. MAKITA reserves the right to deny warranty coverage if the engine has not been  
properly maintained. Warranty claims will not be denied, however, solely because of the lack of  
required maintenance or failure to keep maintenance records.  
MAINTENANCE, REPLACEMENT OR REPAIR OF EMISSION CONTROL DEVICES AND  
SYSTEMS MAY BE PERFORMED BY ANY REPAIR ESTABLISHMENT OR INDIVIDUAL ;  
HOWEVER, WARRANTY REPAIRS MUST BE PERFORMED BY THE MAKITA FACTORY  
SERVICE CENTER OR SERVICE CENTER AUTHORIZED BY MAKITA. THE USE OF PARTS  
THAT ARE NOT EQUIVALENT IN PERFORMANCE AND DURABILITY TO AUTHORIZED PARTS  
MAY IMPAIR THE EFFECTIVENESS OF THE EMISSION CONTROL SYSTEM AND MAY HAVE  
A BEARING ON THE OUTCOME OF A WARRANTY CLAIM.  
If other than the parts authorized by MAKITA are used for maintenance replacements or for the  
repair of components affecting emission control, you should assure yourself that such parts are  
warranted by their manufacturer to be equivalent to the parts authorized by MAKITA in their  
performance and durability.  
HOW TO MAKE A CLAIM  
All repair qualifying under this limited warranty must be performed by a Makita Factory Service  
Center or Service Center authorized by MAKITA. In the event that any emission-related part is  
found to be defective during the warranty period, you shall notify Makita Warranty Department at  
1-800-4-MAKITA and you will be advised of the appropriate warranty service dealer or service  
providers where the warranty repair can be performed.  
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CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT  
(This warranty does not apply in any other state.)  
YOUR WARRANTY RIGHTS AND OBLIGATIONS  
The California Air Resources Board and Makita U.S.A., Inc. (herein "MAKITA") are pleased to  
explain the emission control warranty on your 2005 and later small off-road engine (herein  
"engine"). In California, new engine must be designed, built and equipped to meet the State's  
stringent anti-smog standards. MAKITA must warrant the emission control system on your  
engine for the periods of time listed below provided there has been no abuse, neglect or  
improper maintenance of your engine.  
Your emission control system includes parts such as the carburetor or fuel injection systems,  
the ignition system and the catalytic converter. Also included are the hoses, belts, connectors  
and other emission-related assemblies.  
Where a warrantable condition exists, MAKITA will repair your engine at no cost to you including  
diagnosis, parts and labor.  
MANUFACTURER'S WARRANTY COVERAGE :  
The 2005 and later engines are warranted for two years. If any emission-related part on your  
engine is defective, the part will be repaired or replaced by MAKITA.  
OWNER'S WARRANTY RESPONSIBILITIES :  
-As the engine owner, you are responsible for the performance of the required  
maintenance listed in your Owner's Manual. MAKITA recommends that you retain all  
receipts covering maintenance on your engine, but MAKITA cannot deny warranty solely  
for the lack of receipts or for your failure to ensure the performance of all scheduled  
maintenance.  
-As the engine owner, you should be aware, however, that MAKITA may deny you  
warranty coverage if your engine or a part has failed due to abuse, neglect, improper  
maintenance or unapproved modifications.  
-You are responsible for presenting your engine to a MAKITA service center as a problem  
exists.  
The warranty repairs should be completed in a reasonable time, not to exceed 30 days.  
If you have any questions regarding your warranty rights and responsibilities, you should  
contact a Makita Factory Service Center Manager nearest you. A list of the Factory Service  
Center locations and phone numbers is provided below for your convenience.  
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MAKITA , a distributor of small off-road equipment in the U.S., warrants to the owner of 2005  
and later engines that the engine (1) has been designed, built, and equipped at the time of  
manufacture so as to conform with the applicable regulations of the California Air Resources  
Board and, (2) is free from defects in materials and workmanship which may cause it to fail to  
conform with those regulations as applicable according to the terms and conditions stated below.  
WARRANTY PERIOD  
This warranty period begins on the date which the engine is delivered to the original retail  
purchaser and ends two years after that date. During this two year period MAKITA warrants to  
the original retail purchaser and each subsequent purchaser that the engine is free from defect  
in material and workmanship that can cause the failure of a warranted emission-related part.  
WHAT IS COVERED UNDER THIS WARRANTY  
Repair and/or replacement of any warranted emission-related part will be performed at no  
charge provided the work is performed at an authorized warranty station. There will also be no  
charge for any diagnostic labor performed at an authorized warranty station which leads to the  
determination that a warranted emission-related part is defective.  
Any warranted part which is not scheduled for replacement as required maintenance, or which is  
scheduled only for regular inspection to the effect of "repair or replace as necessary" shall be  
warranted for the warranty period. Any warranted part which is scheduled for replacement as  
required maintenance shall be warranted for the period of time up to the first scheduled  
replacement of that part. This warranty shall apply only towards the repair, replacement, and/or  
adjustment of the component parts listed below.  
EMISSION-RELATED PARTS COVERED UNDER THIS WARRANTY  
(1) Fuel Metering System  
(i) Carburetor and internal parts (and/or pressure regulator or fuel injection system).  
(ii) Air/fuel ratio feedback and control system, if applicable.  
(iii) Cold start enrichment system, if applicable.  
(iv) Regulator assy (gaseous fuel, if applicable)  
(2) Air Induction System  
(i)Intake manifold, if applicable  
(ii)Air filter.  
(3) Ignition System  
(i)Spark plugs.  
(ii)Magneto or electronic ignition system.  
(iii)Spark advance/retard system, if applicable.  
(4) Exhaust manifold, if applicable  
(5) Miscellaneous Items Used in Above Systems  
(i)Electronic controls, if applicable  
(ii)Hoses, belts, connectors, and assemblies.  
(iii) Filter lock assy (gaseous fuel, if applicable)  
If it is determined by an authorized warranty station that other engine components have been  
damaged due to the failure of a warranted emission-related part during the warranty period,  
MAKITA will repair and/or replace the necessary components.  
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WHAT IS NOT COVERED UNDER THIS WARRANTY  
This warranty does not cover any emission-related part which malfunctions, fails, or is  
damaged due to alterations and/or modifications such as changing, adding, or removing parts.  
When an engine is being serviced under warranty, MAKITA and any of its authorized dealers,  
distributors, or warranty stations shall not be liable for any loss of use of the engine, for any  
damage to goods, or loss of time or inconvenience. This limited warranty also does not apply  
to any emission-related part which malfunctions, fails, or is damaged due to failure to follow  
the maintenance and operating instructions specified in the 2005 and later Owner's Manual  
including.  
(a) Improper or inadequate maintenance of any warranted emission-related part.  
(b) Improper installation, adjustment, or repair of the engine or any warranted emission-  
related part unless performed by a factory authorized warranty station.  
(c) Failure to use recommended fuel as specified in the 2005 and later Owner's Manual.  
(d) Repairs and diagnosis performed outside of an authorized warranty station.  
(e) Use of parts which are not authorized by MAKITA.  
MAINTENANCE SCHEDULE  
The engine owner is responsible for having all scheduled inspection and maintenance services  
performed at the intervals specified in the 2005 and later Owner's Manual and to retain records  
of these services as having been performed. These records should be transferred to each  
subsequent owner of the engine. MAKITA cannot deny a claim solely because there are no  
records of scheduled maintenance, however, a warranty claim may be denied if the failure to  
perform the scheduled maintenance and inspection resulted in the failure of a warranted  
emission-related part.  
As a minimum, the engine owner is responsible for the scheduled inspection and maintenance  
described below which are based on the procedures described in the Owner's Manual.  
PROCEDURE  
INTERVAL  
1) Change engine oil  
: Initial 20 hours and every 100 hours afterward  
: Every 50 hours  
2) Clean air cleaner (element)  
3) Replace air cleaner element  
: Every 200 hours  
4) Clean and adjust spark plug and electrodes : Every 200 hours  
Note: More frequent maintenance may be necessary under dusty, dirty or severe conditions.  
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REPAIR AND REPLACEMENT OF EMISSION-RELATED PARTS  
It is recommended that only engine replacement parts which have been authorized and  
approved by MAKITA should be used in the performance of any warranty maintenance or repairs  
of emission-related parts. These replacement parts will be provided at no charge if the part is still  
under warranty.  
HOW TO FILE A WARRANTY CLAIM  
AND WHERE TO GET WARRANTY SERVICES  
Contact the nearest Makita Factory Service Center Manager to determine the appropriate  
location where the required warranty services are to be performed. A list of the Factory Service  
Center locations and phone numbers are provided below for your convenience.  
41850 Christy Street  
Fremont, CA 94538-5107  
(510)657-9881  
7674 Clairemont Mesa Blvd.  
San Diego, CA 92111  
(619)278-4471  
1421 N. Clovis Ave., Ste. 112  
Fresno, CA 93727  
(209)252-5166  
1714 E. McFadden Ave., Unit M  
Santa Ana, CA 92705  
(714)667-5066  
14930 Northam Street  
La Mirada, CA 90638-5753  
(714)522-8088  
333 Littlefield Ave.  
South San Francisco, CA 94080  
(415)875-1002  
1970 Fulton Avenue  
Sacramento, CA 95825  
(916)482-5197  
16735 Saticoy St., Ste. 105  
Van Nuys, CA 91406  
(818) 782-2440  
1440 South "E" Street  
San Bernardino, CA 92408  
(909)885-1289  
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FOREWORD  
Thank you for purchasing a Makita generator.  
This manual covers operation and maintenance of the Makita generators.  
All information in this publication is based on the latest production  
information available at the time of approval for printing.  
Pay special attention to statements preceded by the following words:  
WARNING  
Indicates a strong possibility of severe personal injury, loss of life and  
equipment damage if instructions are not followed.  
CAUTION]  
Indicates a possibility of personal injury or equipment damage if instructions  
are not followed.  
NOTE:  
Gives helpful information.  
If a problem should arise, or if you have any questions about the generator,  
consult an authorized dealer or factory service center.  
WARNING  
The generator is designed to give safe and dependable service if  
operated according to instructions.  
Do not operate the generator before you have read and  
understood the instructions. Failure to do so could result in death,  
personal injury or equipment damage.  
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Check that following  
accessories come with your  
Makita Generator.  
(1) Instruction for use  
(2) Servicing tools  
(3) Battery mounting bracket  
(See page 8 and 9.)  
Be sure to replenish with  
engine oil.  
(See page 6 for details.)  
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CONTENTS  
1. SAFETY PRECAUTIONS ・・・・・・・・・・・・・・・・・・・・1  
2. SPECIFICATIONS ・・・・・・・・・・・・・・・・・・・・・・・・4  
3. COMPONENTS ・・・・・・・・・・・・・・・・・・・・・・・・・5  
4. PRE-OPERATION CHECKS ・・・・・・・・・・・・・・・・・・6  
5. OPERATING PROCEDURES ・・・・・・・・・・・・・・・・・・・11  
6. WATTAGE INFORMATION ・・・・・・・・・・・・・・・・・・・・21  
7. SPARK ARRESTER ・・・・・・・・・・・・・・・・・・・・・・・・23  
8. MAINTENANCE SCHEDULE ・・・・・・・・・・・・・・・・・・・24  
9. "HOW-TO" MAINTENANCE ・・・・・・・・・・・・・・・・・・・26  
10. PREPARATION FOR STORAGE・・・・・・・・・・・・・・・・・30  
11. TROUBLESHOOTING ・・・・・・・・・・・・・・・・・・・・・・31  
12. WIRING DIAGRAM ・・・・・・・・・・・・・・・・・・・・・・・・32  
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1. SAFETY PRECAUTIONS  
Do not operate the generator near gasoline or gaseous fuel because of the  
potential danger of explosion or fire.  
Do not fill the fuel tank with fuel while the engine is running. Do not smoke or  
use open flame near the fuel tank. Be careful not to spill fuel during refueling.  
If fuel is spilt, wipe it off and let dry before starting the engine.  
Do not place inflammables near the generator.  
Be careful not to place fuel, matches, gunpowder, oily cloths, straw, trash, or  
any other inflammables near the generator.  
Do not operate the generator inside a  
room, cave, tunnel, or other  
insufficiently ventilated area. Always  
operate it in a well-ventilated area,  
otherwise the engine may become  
overheated, and the poisonous  
carbon monoxide gas contained in  
3 feet  
the exhaust gases will endanger  
human lives. Keep the generator at  
least 3 feet (1 meter) away from any  
structure or building during use.  
(
)
3 feet 1m  
(
)
1m  
If the generator must be used indoors, the area must be well-ventilated and  
extreme caution must be taken regarding the discharge of exhaust gases.  
Do not enclose the generator nor cover it with a box.  
The generator has a built-in forced air cooling system, and may become  
overheated if it is enclosed. If generator has been covered to protect it from  
the weather during non use, be sure to remove it and keep it well away from  
the area during generator use.  
1-  
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Operate the generator on a level surface.  
It is not necessary to prepare a special foundation for the generator. However,  
the generator will vibrate on an irregular surface, so choose a level place  
without surface irregularities.  
If the generator is tilted or moved during operation, fuel may spill and/ or the  
generator may tip over, causing a hazardous situation.  
Proper lubrication cannot be expected if the generator is operated on a steep  
incline or slope. In such a case, piston seizure may occur even if the oil is  
above the upper level.  
Pay attention to the wiring or extension cords from the generator to the  
connected device.  
If the wire is under the generator or in contact with a vibrating part, it may  
break and possibly cause a fire, generator burnout, or electric shock hazard.  
Replace damaged or worn cords immediately.  
Do not operate in rain, in wet or damp conditions, or with wet hands.  
The operator may suffer severe electric shock if the generator is wet due to  
rain or snow.  
If wet, wipe and dry it well before starting. Do not pour water directly over the  
generator, nor wash it with water.  
Be extremely careful that all necessary electrical grounding procedures are  
followed during each and every use. Failure to do so can be fatal.  
Do not contact the generator to a commercial power line. Connection to a  
commercial power line may short circuit the generator and ruin it or cause  
electric shock hazard. Use the transfer switch for connecting to domestic  
circuit.  
No smoking while handling the battery. The battery emits flammable hydrogen  
gas, which can explode if exposed to electric arcing or open flame.  
Keep the area well-ventilated and keep open flames/sparks away when  
handling the battery.  
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Engine becomes extremely hot during and for some time after operation.  
Keep combustible materials well away from generator area.  
Be very careful not to touch any parts of the hot engine especially the muffler  
area or serious burns may result.  
Keep children and all bystanders at a safe distance from work areas.  
It is absolutely essential that you know the safe and proper use of the power  
tool or appliance that you intend to use. All operators must read, understand  
and follow the tool/appliance owners manual. Tool and appliance applications  
and limitations must be understood. Follow all directions given on labels and  
warnings. Keep all instruction manuals and literature in a safe place for future  
reference.  
Notes on installation  
1. Select a place which allows you to maintain and inspect the generator, which is  
not exposed to contamination caused by exhaust gas.  
If you are planning to install the generator without its wheels attached, consider  
the work efficiency in terms of an oil change.  
2. In ground connection, be sure to use the designated ground terminal.  
(A grounding cable is not included in the set of accessories.)  
3. During use, be sure not to disconnect the battery.  
4. While the power is on, do not unplug the unit or disconnect cables from the  
terminals.  
3-  
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2. SPECIFICATIONS  
Model  
G12010R  
Type  
Brush, Self-exciting, 2-pole, Single-phase  
Rated frequency  
Rated voltage  
Maximum output  
Rated output  
Power factor  
Voltage regulator  
Model  
60 Hz  
120V / 240V  
12000 W  
9500 VA  
1.0  
A.V.R type  
EH65D  
Type  
Twin cylinder, Air-cooled, 4-stroke, Overhead valve engine  
Displacement  
Fuel  
653 cm3  
Automotive unleaded gasoline  
Oil capacity  
0.41 US-gal (1.55 liters)  
Electric starter  
Starting system  
Fuel tank capacity  
11.38 US-gal (44 liters)  
Rated continuous  
operation per a  
tankful of fuel  
Rated  
Approx. 8.2 hours  
Length  
Width  
32.5 in. (826  
mm)  
611 mm)  
771 mm)  
24.1 in. (  
30.4 in. (  
High  
Dry weight  
310.9 lb (141 kg)  
Standard  
Remote controller terminal  
(Auto choke)  
Valve Clearance  
(Intake & Exhaust)  
0.0039±0.0008 in. (0.1±0.02 mm)  
Note : Adjust the valve clearance while the engine is cold.  
Emissions Durability Period  
(California only)  
500 hours  
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3. COMPONENTS  
FUEL TANK  
TANK CAP  
AIR CLEANER  
CONTROL  
PANEL  
COOLING AIR  
INLET PORT  
FUEL COCK  
BATTERY  
OIL FILLER CAP  
OIL FILTER  
SPARK PLUG CAP  
MUFFLER  
CONNECTOR  
FOR REMOTE  
CONTROL  
SPARK PLUG  
CAP  
OIL GAUGE  
ELECTRIC STARTER  
OIL DRAIN PLUG  
5-  
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4. PRE-OPERATION CHECK  
OIL GAUGE  
CHECK ENGINE OIL  
Before checking or refilling oil, be sure  
generator is located on stable and level  
surface with engine stopped.  
UPPER  
LEVEL  
1) Remove oil level gauge and check the  
engine oil level.  
2) If oil level is below the lower level "L"  
refill with suitable oil (see table) to upper  
level "F" after removing the engine oil  
filler cap.  
LOWER  
LEVEL  
3) Change oil if contaminated.  
(See "How-To" Maintenance.)  
Oil gauge  
Oil capacity ・・・0.41 US-gal (Upper level)  
Upper level  
1.55 liters (Upper level)  
NOTE :  
The engine is equipped with an oil sensor  
unit (hydraulic pressure detection type)  
that will automatically stop the engine if  
oil in the crank case is reduced below the  
specified level. Should the engine be  
automatically stopped, be sure to check  
the amounts of fuel and oil.  
Lower level  
OIL FILLER CAP  
When the oil is reduced below the  
specified level, add new oil to the upper  
limit. Since the oil sensor will not detect  
the deterioration of oil, visually check the  
quality or determine it by the specified  
time and then change the oil if necessary.  
(Refer to page 25.)  
Recommended engine oil:  
Use 4-stroke automotive detergent oil  
of API service class SE or higher  
5W  
10W  
20W  
#20  
Single grade  
grade (SG, SH or SJ is recommended).  
SAE 10W-30 or 10W-40 is  
#30  
#40  
recommended for general, all-  
temperature use. If single viscosity oil  
is used, select the appropriate  
viscosity for the average temperature  
in your area.  
10W  
-30  
Multigrade  
10W  
-
40  
Ambient  
temperature  
6-  
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CHECK ENGINE FUEL  
WARNING  
Do not refuel while smoking or near open flame or other such  
potential fire hazards. Otherwise fire accident may occur.  
1) Check fuel level at fuel level gauge.  
Tank cap  
2) If fuel level is low, refill with automotive  
Fuel gauge  
Fuel filter screen  
unleaded gasoline only.  
This engine is certified to operate on  
automotive unleaded gasoline.  
3) Be sure to use the fuel filter screen on  
the fuel filter neck.  
Recommended fuel :  
Unleaded automotive gasoline of  
octane rating RON87 or higher.  
EMPTY FULL  
Fuel tank capacity:  
11.38 US-gal (44 liters)  
E
F
NOTE :  
"LEVEL" Mark  
The full level of fuel is the upper  
surface of the fuel filter.  
Fuel level line  
7-  
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Continuous operation time in normal use (rated load)  
G12010R  
Approx. 8.2 hours  
WARNING  
Make sure you review each warning in order to prevent fire hazard.  
Do not refill tank while engine is running or hot.  
Close fuel cock before refueling with fuel.  
Be careful not to admit dust, dirt, water or other foreign objects into  
fuel.  
Do not fill above the top of the fuel filter (marked "LEVEL") or the fuel  
may overflow when it heats up later and expands.  
Wipe off spilt fuel thoroughly before starting engine.  
Keep open flames away.  
BATTERY INSTALLATION  
Recommended Battery  
Lead-acid battery : A capacity of 12V-32Ah or larger.  
For the generators used in low temperature (below -5),  
12V-40Ah or larger battery is recommended.  
1) Attach terminals to a lead-acid battery already charged. Mount the battery onto  
the position as specified below, with its terminals facing inward.  
2) Insert each long bolt through the specified hole, its tip pointing outward.  
3) Put the supporting arm on the long bolts and tighten with the butterfly nuts.  
(Push the lead-acid battery all the way inward.)  
4) Arrange the wiring so that it won't be damaged by possible vibration caused by  
the engine.  
5) Only after checking that the engine's starter key is in the "OFF" position,  
securely connect the red cable, to the positive (+) terminal. And then connect  
the other cable to the negative (-) terminal.  
Red cable : to the (+) terminal  
Black cable : to the (-) terminal  
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CAUTION]  
Should the connection be made in incorrect manner, the engine will be broken.  
RED CABEL  
LESS THAN  
8.1 in.  
(205 mm)  
Butterfly nut  
Long bolt  
Accessory  
parts  
Supporting arm  
Terminals and nut  
LESS THAN  
10.2 in. (260 mm)  
RED CABEL  
LESS THAN  
6.7 in. (170 mm)  
WARNING  
Death, personal injury and/ or property damage may occur unless  
instructions are followed carefully.  
Disconnect battery cables when charging battery.  
Use battery of specified capacity listed in the owner's manual.  
Turn the starter switch to the "STOP" position when mounting or  
dismounting battery. Connect positive (+) terminal first when mounting  
battery, and disconnect negative (-) terminal first when dismounting.  
RED CABLE : To positive (+) terminal  
BLACK CABLE : To negative (-) terminal  
9-  
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CHECK COMPONENT PARTS  
Check following items before starting engine:  
Fuel leakage from fuel hose, etc.  
Bolts and nuts for looseness.  
Components for damage or breakage.  
Generator not resting on or against any adjacent wiring.  
CHECK GENERATOR SURROUNDINGS  
WARNING  
Make sure you review each warning in order to prevent fire hazard.  
Keep area clear of inflammables or other hazardous materials.  
Keep generator at least 3 feet (1 meter) away from buildings or other  
structures.  
Only operate generator in a dry, well ventilated area.  
Keep exhaust pipe clear of foreign objects.  
Keep generator away from open flame. No smoking!  
Keep generator on a stable and level surface.  
Do not block generator air vents with paper or other material.  
10-  
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5. OPERATING PROCEDURES  
STARTING THE ENGINE  
CAUTION]  
Check the oil level before each operations. (See page 6)  
Perform the specified Daily Inspection to see if it is in normal condition.  
(1) Make sure that the no-fuse breaker is  
off.  
ON  
(2) Turn the fuel cock to the vertical  
(open) position  
(3) Turn the key switch to the "START"  
position.  
If the engine won't start, turn the  
switch back to "RUN" position and then  
wait for approximately 10 seconds to  
try it again.  
OFF  
NOTE :  
You might have to keep the starter  
CLOSE  
running for at least 3 to 5 seconds,  
since the engine incorporates the  
mechanism in it where the ignition  
circuit is activated by the increase of  
hydraulic pressure.  
CLOSE  
OPEN  
In the following occasion, two or three  
trials may be required for starting the  
engine :  
RUN  
(1) The very first starting of a new  
generator.  
STOP  
RUN  
STOP  
START  
START  
(2) After the refueling of the engine  
which has been stopped due to fuel  
shortage.  
(3) Starting after the oil filter change.  
(4) Warm the engine up for a minute or  
two. Longer time would be needed  
in cold weather.  
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USING ELECTRIC POWER  
WARNING  
Make sure that the appliance is switched OFF before connecting it to  
the generator.  
Do not move the generator while it is running.  
Be sure to ground the generator if the connected appliance is  
grounded. Failure to ground unit may lead to electrical shock.  
CONTROL PANEL  
OIL PURESSURE  
WARNING LAMP  
VOLTMETER  
NO-FUSE BREAKER  
PILOT LAMP HOUR METER  
KEY SWITCH  
110  
120  
0
IDLE CONTROL  
SWITCH  
EARTH (GROUND)  
TERMINAL  
CONNECTOR  
FOR REMOTE CONTROL  
AC RECEPTACLE  
12-  
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(1) AC APPLICATION  
(a) Ground the generator, using the  
ground terminal located at the side of  
the panel.  
(b) Before starting the engine, check that  
the no-fuse breaker of the generator  
and the power switches of the  
Grounding spike  
appliances are turned off.  
(c) Connect the plugs of the appliances to  
the receptacles before starting the  
engine. If you wish to use for a long  
period of time, connecting to the output  
terminal is recommended.  
ON  
OFF  
(d) Start the engine and check that the  
voltage meter is indicating correct  
voltage.  
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Check the amperage of the receptacles used referring to TABLE 1, and be  
sure not to take a current exceeding the specified amperage.  
Be sure that the total wattage of all appliances dose not exceed the rated  
output of the generator.  
Style  
Ampere  
Receptacle  
AC plug  
Description  
GFCI (Ground Fault  
Circuit Interrupter)  
Receptacle, duplex  
(REC1)  
NEMA  
5-20R  
NEMA  
5-20P  
up to 20A  
NEMA  
L5-30R  
NEMA  
L5-30P  
Locking Receptacle  
(REC2)  
up to 30A  
up to 30A  
up to 50A  
NEMA  
L14-30R  
NEMA  
L14-30P  
Locking Receptacle  
(REC3)  
Locking Receptacle  
(REC4)  
TABLE 1  
WARNING  
To take power out from the TWIST  
LOCK RECEPTACLE, insert the  
plug into the receptacle, and turn  
it clockwise to the lock position.  
TWIST  
Be sure to ground the generator if  
the connected electrical device Is  
grounded.  
NOTE :  
When the no-fuse breaker turns off during operation, the generator is over loaded  
or the appliance is defective. Stop the generator immediately, check the appliance  
and / or generator for overloading or detect and have repaired as necessary by  
Makita dealer or service shop.  
14-  
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CAUTION  
The duplex 120V receptacle is protected by a GFCI (Ground Fault Circuit  
Interrupter). GFCI shuts off the output current from the duplex 120V  
receptacle when a ground fault occurs in the generator or the appliance.  
Please note that other receptacles are not protected by GFCI.  
GFCI RECEPTACLE  
After starting the engine, check the GFCI for proper functioning by the following  
test procedure.  
Push blue TEST button, The red RESET button will pop out exposing the word  
TRIP. Power is now off at the outlets protected by the GFCI, indicating that the  
device is functioning properly.  
If TRIP dose not appear when testing, do not use the generator. Call a  
qualified electrician.  
To restore power, push RESET button.  
WARNING  
If the RESET button pops out during operation, stop the generator  
immediately and call a qualified electrician for checking generator and  
the appliances.  
(2) CONNECTING TO DOMESTIC CIRCUIT (HOUSE WIRING)  
WARNING  
This generator is neutral grounded type.  
If a generator is to be connected to residential or commercial power  
lines, such as a stand-by power source during power outage, all  
connections must be made by a licensed electrician.  
Failure in connection may result in death, personal injury, damage to  
generator, damage to appliances, damage to the building's wiring or fire.  
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(a) When connecting a Makita generator to a house wiring, generator output power  
must be taken from the 240V-4P receptacle.  
(b) Install a transfer switch.  
A transfer switch must be installed to transfer the load from the commercial  
power source to the generator. This switch is necessary to prevent accidents  
caused by the recovery from power outage. Use a transfer switch of the correct  
capacity.  
Install transfer switch between the meter and the fuse or AC breaker box.  
CAUTION  
If the neutral wire of house wiring is grounded, be sure to ground the  
ground terminal of the generator, Otherwise an electric shock may occur  
to the operator.  
UTILITY HIGH LINE  
CONNECTING BOX  
MAIN POWER LINE  
240V  
RECEPTACLE  
TRANSFER SWITCH  
16-  
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Utility high line  
House circuit breaker  
Meter box  
X W Y  
120V  
appliance  
240V  
appliance  
120V  
appliance  
X W Y  
Transfer  
switch  
X W Y  
Generator  
Generator  
(
W
)
(
)
W
W
OR  
X
Y
( )  
X
( )  
Y
( )  
Y
( )  
X
( )  
G
( )  
G
240V  
4P- Receptacle  
240V  
4P- Receptacle  
(c) Operating the generator.  
Set the full power switch to 120V/240V side.  
Turn the house AC breaker off before starting the generator.  
Start the generator and warm it up.  
Turn the house AC breaker on.  
CAUTION  
Do not start the generator with electrical appliance (s) connected and  
with their switches on.  
Otherwise the appliance (s) may be damaged by the surge voltage at  
starting.  
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NOTE :  
ON  
When the no-fuse breaker turns off during  
operation, the generator is over loaded or  
the appliance is defective. Stop the  
generator immediately, check the  
appliance and / or generator for  
overloading or detect and have repaired  
as necessary by Makita dealer or service  
shop.  
OFF  
(d) Turn the breaker on to see if the pilot  
lamp lights up.  
(e) Turn on the switch of the appliance.  
PILOT LAMP  
18-  
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(3) IDLE CONTROL SWITCH  
IDLE CONTROL SWITCH automatically reduces engine speed when load is OFF,  
and automatically increases engine speed to rated r.p.m. when load is ON.  
IDLE CONTROL SWITCH provides fuel economy and low noise operation at no-  
load running.  
(1) HOW TO USE IDLE CONTROL  
SWITCH  
ON  
Start the engine with IDLE CONTROL  
SWITCH off.  
NOTE :  
Warm up the engine without a load for a  
few minutes.  
OFF  
Turn IDLE CONTROL SWITCH on.  
(2) CHECKING THE OPERATION  
When IDLE CONTROL SWITCH does not operate normally, please check following :  
Overloaded ?  
Please make it sure that the generator is not overload.  
NOTE :  
Most induction loads such as electric motors require three to five times more  
wattage than their ratings during starting.  
This starting wattage should not exceed the rated output of the generator for  
proper operation of IDLE CONTROL SWITCH  
.
Turn IDLE CONTROL SWITCH off when the IDLE CONTROL SWITCH does  
not work normally under the rated output.  
NOTE :  
The IDLE CONTROL SWITCH may not operate when the applied load is under  
40W. In such cases turn the IDLE CONTROL SWITCH off.  
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STOPPING THE GENERATOR  
(1) Turn off the power switch of the  
electric equipment.  
ON  
(2) Turn the no-fuse breaker to off.  
(3) Unplug the cord from receptacle of the  
generator.  
OFF  
(4) Allow the engine to run at no-load for  
about 3 minutes to cool down before  
stopping.  
STOP  
RUN  
START  
RUN  
STOP  
START  
(5) Turn the key switch to the STOP  
position.  
(6) Close the fuel cock.  
CLOSE  
CLOSE  
OPEN  
20-  
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6. WATTAGE INFORMATION  
Some appliances need a "surge" of energy when starting.  
This means that the amount of electrical power needed to start the appliance may  
exceed the amount needed to maintain its use.  
Electrical appliances and tools normally come with a label indicating voltage,  
cycles/Hz, amperage (amps) and electrical power needed to run the appliance or  
tool.  
Check with your nearest dealer or service center with questions regarding power  
surge of certain appliances or power tools.  
Electrical loads such as incandescent lamps and hot plates require the same  
wattage to start as is needed to maintain use.  
Loads such as fluorescent lamps require 1.2 to 2 times the indicated wattage  
during start-up.  
Loads for mercury lamps require 2 to 3 times the indicated wattage during  
start-up.  
Electrical motors require a large starting current. Power requirements depend  
on the type of motor and its use. Once enough "surge" is attained to start the  
motor, the appliance will require only 50% to 30% of the wattage to continue  
running.  
Most electrical tools require 1.2 to 3 times their wattage for running under load  
during use. (For example, a 9,000 watt generator can power a 3,200 to 7,000  
watt electrical tool.)  
Loads such as submersible pumps, air conditioners and air compressors  
require a very large force to start. They need 3 to 5 times the normal running  
wattage in order to start. (For example, a 5,000 watt generator would only be  
able to drive a 1,800 to 3,100 watt pump.)  
If the power consumption of electrical appliances exceeds the operating range  
or if there is short circuit or other problems in the appliances, the AC breaker  
could trip "OFF" or the rotation of the generator could be abnormally reduced.  
In this case, stop the generator to see if the power consumption of the  
appliances is too large and if there is a problem in the appliances.  
The frequency (the number of the generators rotation) was adjusted before the  
time of shipment. Changing the frequency could result in the generators  
breakdown, so refrain from changing it.  
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To determine the total wattage required to run a particular electrical appliance or  
tool, multiply the voltage figure of the appliance/tool by the amperage (amps)  
figure of same. The voltage and amperage (amps) information can be found on a  
name plate which is normally attached to electrical appliances and tools.  
Applicable Wattage (W)  
Applications  
G12010R  
60 Hz  
Incandescent lamp, Heater  
Fluorescent lamp, Electric tool  
Pump, Compressor  
9,500  
4,700  
2,400  
NOTE :  
The above wattage chart is general guide only. Refer to your specific  
appliance for correct wattage.  
When you use two or more alternating current outlets at a time, be careful that  
the sum of the appliances' power consumption does not exceed the value  
specified in the above chart.  
VOLTAGE DROP IN ELECTRIC EXTENSION CORDS  
When a long electric extension cord is used to connect an appliance or tool with  
the generator, a certain amount of voltage drop occurs in the extension cord which  
lessens the effective voltage available to the appliance or tool.  
The chart below has been prepared to illustrate the approximate voltage loss when  
an extension cord of 300 feet (approx. 100 meters) is used to connect an  
appliance or tool to the generator.  
Nominal  
cross  
section  
Allowable No.of strands  
Resistance  
A.W.G.  
Current Amp.  
current  
/ strands dia.  
mm2  
0.75  
1.27  
2.0  
No.  
18  
A
No./mm  
30/0.18  
50/0.16  
37/0.26  
45/0.32  
70/0.32  
1A 3A 5A 8A 10A 12A 15A  
Ω/100m  
7
2.477 2.5V 8V 12.5V  
16  
12  
17  
23  
35  
1.486 1.5V 5V 7.5V 12V 15V 18V  
14  
0.952  
0.517  
0.332  
1V 3V 5V 8V 10V 12V 15V  
3.5  
12 to 10  
10 to 8  
1.5V 2.5V 4V 5V 6.5V 7.5V  
1V 2V 2.5V 3.5V 4V 5V  
5.5  
22-  
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7. SPARK ARRESTER  
SPARK ARRESTER  
In a dry or wooded area, it is recommendable to use the product with a spark arrester.  
Some areas require the use of a spark arrester. Please check your local laws and  
regulations before operating your product  
.
The spark arrester must be cleaned regularly to keep it functioning as designed.  
A clogged spark arrester :  
Prevents the flow of exhaust gas  
Reduces engine output  
Increases fuel consumption  
Makes starting difficult  
If the engine has been running, the muffler and the spark arrester will be very hot.  
Allow the muffler to cool before cleaning the spark arrester.  
How to remove the spark arrester  
1. Remove the flange bolts from the  
muffler cover and remove the muffler  
cover.  
MUFFLER  
2. Remove the special screw from the  
spark arrester and remove the spark  
arrester from the muffler.  
SPARK  
ARRESTER  
SCREEN  
SCREW  
Clean the spark arrester screen  
SPARK ARESSTER SCREEN  
Use a brush to remove carbon deposits  
from the spark arrester screen.  
Be careful to avoid damaging the screen.  
The spark arrester must be free of  
breaks and holes. Replace the spark  
arrester if it is damaged.  
Install the spark arrester, and muffler  
protector in the reverse order of  
disassembly.  
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8. MAINTENANCE SCHEDULE  
MAINTENANCE, REPLACEMENT OR REPAIR OF THE EMISSION CONTROL DEVICES  
AND SYSTEMS MAY BE PERFORMED BY ANY NONROAD ENGINE REPAIR  
ESTABLISHMENT OR INDIVIDUAL.  
DAILY INSPECTION  
Before running the generator, check the following service items:  
Safe surroundings  
Leakage of gasoline and engine oil  
Clean air cleaner element  
Enough gasoline  
Excessive vibration,noise  
Enough clean engine oil  
Loose or broken bolts and nuts  
PERIODIC MAINTENANCE  
Periodic maintenance is vital to safe and efficient operation of your generator.  
Check the table below for periodic maintenance intervals.  
IT IS ALSO NECESSARY FOR THE USER OF THIS GENERATOR TO  
CONDUCT THE MAINTENANCE AND ADJUSTMENTS ON THE EMISSION-  
RELATED PARTS LISTED BELOW TO KEEP THE EMISSION CONTROL  
SYSTEM EFFECTIVE.  
The emission control system consists of the following parts :  
(1) Carburetor and internal  
parts  
(4) Air cleaner elements  
(5) Spark plug  
(8) Exhaust manifold, if  
applicable  
(2) Cold start enrichment  
system, if applicable  
(9) Hoses, belts,  
connectors, and  
assemblies  
(6) Magneto or electronic  
ignition system  
(3) Intake manifold, if  
applicable  
(7) Spark advance/retard  
system, if applicable  
The maintenance schedule indicated in the table is based on the normal generator  
operation. Should the generator be operated in extremely dusty condition or in  
heavier loading condition, the maintenance intervals must be shortened depending  
on the contamination of oil, clogging of filter elements, wear of parts, and so on.  
24-  
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(Periodic Maintenance Schedule table)  
Every 8  
hours  
(Daily)  
Every Every  
20 50  
hours hours  
Every Every Every  
200 500 1000  
hours hours hours  
Maintenance Items  
Clean generator and check bolts and nuts  
Check and refill engine oil  
(Daily)  
(Refill daily to  
upper level)  
(Initial)  
Change engine oil (*Note 1)  
(Every 100 hours)  
(Initial)  
Replace engine oil filter (*Note 1)  
Check battery electrolyte fluid level  
Clean spark plug  
Clean air cleaner  
Replace air cleaner element  
Clean fuel strainer  
Clean and adjust spark plug and electrodes  
Replace spark plug  
Spark arrester  
(Every 100 hours)  
Remove carbon from cylinder head  
Clean and adjust carburetor  
Clean engine base (oil pan)  
Check and adjust valve clearance  
Check and replace carbon brushes  
Replace fuel lines  
(Yearly)  
Overhaul engine (*Note 2)  
*Note 1 : Initial oil change should be performed after first twenty (20) hours of operation.  
Thereafter change oil every hundred (100) hours.  
Before changing oil, check for a suitable way to dispose of old oil.  
Do not pour it down into sewage drains, onto garden soil or into open streams.  
Your local zoning or environmental regulations will give you more detailed  
instructions on proper disposal.  
*Note 2 : As to the procedures for these items, please refer to the SERVICE MANUAL or  
consult your nearest Makita service dealer.  
*Note 3 : More frequent oil changing, oil filter replacement and air cleaner service on  
replacement may be necessary depending on operating conditions.  
This would include dusty environment, high ambient temperature, heavy engine  
loading.  
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9. "HOW-TO" MAINTENANCE  
ENGINE OIL CHANGE  
Initial oil change  
OIL DRAIN PLUG  
(ON BOTH SIDE)  
・・・・・After 20 hours of operation  
Thereafter  
・・・・・Every 100 hours of operation  
1. When changing oil, stop the engine and  
loosen the drain plug.  
2. Re-install the drain plug before refilling  
oil.  
OIL FILLER CAP  
3. Refer to the recommended oil table on  
page 6.  
4. Always use the best grade and clean  
oil. Contaminated oil, poor quality oil  
and shortage of oil cause damage to  
engine or shorten the engine life.  
Oil capacity ・・・0.41 US-gal (Upper level)  
1.55 liters (Upper level)  
ENGINE OIL FILTER  
REPLACEMENT  
Initial engine oil filter replacement  
should be performed after 20 hours of  
operation. Thereafter replace the engine  
oil filter every 200 hours.  
OIL FILTER  
When installing a new oil filter, apply oil  
to O-ring, attach the oil filter in position  
and tighten 2/3 turns by hand or with  
wrench after touching the O-ring to the  
sealing surface of engine.  
CAUTION  
To prevent injury, pay attention  
to the spilled hot engine oil  
when replacing engine oil filter.  
Run the engine for a minute ; stop the  
engine and check for oil leakage around  
the oil filter and recheck the oil level.  
26-  
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SERVICING AIR CLEANER  
Knob  
Air cleaner cover  
A dirty air cleaner element will cause  
starting difficulty, power loss, engine  
malfunctions, and shorten engine life  
extremely.  
Always keep the air cleaner element  
clean. Replaced the air cleaner element  
set more often in dusty environments.  
The air cleaner paper inner element and  
urethane foam outer element can be  
removed after removing knob and air  
cleaner cover. When installing, set the  
paper element and urethane foam on the  
air cleaner base. Check that the grommet  
is in position, and then install the cover  
with knob tightened securely.  
Grommet  
Element  
ethane foam  
Urethane Foam cleaning  
Wash and clean the urethane foam in  
kerosene. Saturate in a mixture of 3  
parts kerosene and 1 part engine oil, and  
then squeeze to remove excess oil.  
Clean or replace the urethane foam  
element every 50 hours. (more often in dusty environments)  
Paper element  
Clean by tapping gently to remove dirt and blow off dust. Never use oil.  
Clean or replace the paper element every 50 hours of operation, and replace  
element set every 200 hours.  
CLEANING AND ADJUSTING  
SPARK PLUG  
(a) Unplug the high-voltage cables  
(located at the outlet panel and lead-  
acid battery).  
(b) Using the supplied plug wrench and  
handle, turn it counterclockwise until it  
comes off.  
0.03 in.  
(c) Clean the area around the mounting  
(0.7 to 0.8 mm)  
hole.  
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Spark plug  
(d) Clean the electrodes if they are dirty.  
Adjust the clearance to 0.03 in. (0.7-  
0.8 mm). Replace it with a new one if  
the abrasion has developed to the  
degree where a flat surface cannot be  
obtained on its projection.  
NGK BPR5ES (CHAMPION RN11YC)  
If the electrodes turn black, also  
inspect the air cleaner.  
(e) Attach and tighten the plug with the  
specified torque : 25 to 30 Nm (2.5 to  
3.0 kg-m).  
(f) After checking that the contact area  
inside the plug cap is not corroded,  
connect the high-voltage cables.  
CLEANING FUEL STRAINER  
Dirt and water in the fuel are removed by  
the fuel strainer.  
(a) Remove the strainer cup and throw  
away water and dirt.  
(b) Clean the screen and strainer cup  
with gasoline.  
(c) Tightly fasten the cup to main body,  
making sure to avoid fuel leak.  
FUEL HOSE REPLACEMENT  
WARNING  
Take extreme caution when replacing  
fuel hose ; gasoline is flammable.  
Replace the fuel hose every 1,000 hours  
or every year.  
If fuel hose leak is found, replace the fuel  
hose immediately.  
28-  
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CHECKING CARBON BRUSH  
BRUSH  
HOLDER  
If the brush become excessively worn, its  
contact pressure with the slip ring  
changes and causes a roughened surface  
on the slip ring, resulting in irregular  
generator performance.  
15 to 5 mm  
(0.6" to 0.2")  
Check the brush every 500 hours or if  
generator performance is irregular.  
BRUSH  
If the brush is 0.2 in.(5 mm) long or less,  
replace it with a new one.  
BRUSH  
HOLDER  
FLANGE  
BOLT  
(a) Remove the brush cover.  
(b) Disconnect the wire connector and  
remove the brush.  
(c) Carefully note the brush direction and  
relative position with the slip ring when  
installing new brush.  
SCREW  
BRUSH  
COVER  
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10. PREPARATION FOR STORAGE  
The following procedures should be followed prior to storage of your generator for  
a period of 6 months or longer.  
Drain fuel from fuel tank and strainer  
SCREW for DRAIN  
(cup) carefully by disconnecting the  
fuel line. Gasoline left in the fuel tank  
will eventually deteriorate making  
engine-starting difficult.  
In order to remove the fuel in the  
carburetor, run the engine at no-load  
until it stops.  
Disconnect the terminal of the battery.  
Change engine oil.  
Check for loose bolts and screws, tighten them if necessary.  
Clean generator thoroughly with oiled cloth. Spray with preservative if  
available. NEVER USE WATER TO CLEAN GENERATOR !  
Store generator in a well ventilated, low humidity area.  
30-  
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11. TROUBLESHOOTING  
When generator engine fails to start after several attempts, or if no electricity is  
available at the output receptacles, check the possible causes in accordance with  
the following table. If your generator still fails to start or generate electricity,  
contact your nearest Makita dealer or authorized service center for further  
information or corrective procedures.  
Possible causes  
Problem  
Starter won't run  
× ×  
Starter runs, but Engine won't start.  
×
×
×
×
×
×
×
× ×  
Rotation decreased  
Unstable rotation  
Breaker turned off  
Low power  
× × × × ×  
× ×  
× ×  
×
× ×  
× × × × ×  
×
×
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12. WIRING DIAGRAM  
CONTROL BOX  
R
Auto choke  
(
LGrn  
R/W  
W
W
W
)
Bimetal  
Grn  
Gry  
Fuel cut  
Oil pressure  
warning lamp  
R
(
)
Red  
Blk/W  
Blk  
Idle  
solenoid  
Blk/W  
Blk  
(AC output)  
Ignition coil  
W
W
1
2
3
4
5
6
Electronic control unit  
LBlu  
1
5
2
3
W
W
W
W
13 12 11 10  
9
8
7
4
Idle  
control  
unit  
Org  
Charge  
coil  
Exciting  
coil  
Grn/Y  
Idle control  
switch  
Y
Brn  
Org  
Blk/Y  
Org  
R
Y
Y
LBlu  
(
)
AVR  
Org  
R
Grn/Y  
Org  
Grn  
Grn/Y  
Grn/Y  
LBlu  
Electric  
starter  
Magnetic  
switch  
Gry  
.
-M  
+M  
B
L
IG ST  
OFF  
ON  
Key  
switch  
Grn  
Regulator  
START  
to earth  
terminal  
R15  
Gry  
Oil pressure  
ST Relay  
-
+
switch  
Battery 12V  
Grn/Y LBlu  
Grn Gry  
Connector  
(
)
Remote control  
W
AC output  
receptacle  
(120V) REC1  
AC output  
receptacle  
(120/240V) REC3  
AC output  
receptacle  
(120/240V) REC4  
GENERATOR  
CONTROL BOX  
Grn/Y  
Blk  
Blk  
w
Field  
Winding  
w
Blu  
R
R
AC otuput  
receptacle(120V)  
Hr  
V
PL  
REC2  
Brush  
Brush  
W
W
Auto idle unit  
Grn/Y  
No-fuse breaker  
Auxiliary Winding  
Exciting coil  
(Engine)  
AVR  
to Key switch  
Grn/Y  
LGrn  
Brn  
Y
Y
Earth(Ground)  
terminal  
Grn/Y  
Grn/Y  
Wiring color cord  
Blk  
:
:
:
:
:
Black  
Brn/W  
Grn  
:
:
:
:
:
Brown/White  
Green  
R
:
:
:
:
:
Red  
Blk/R  
:
:
:
Black/Red  
Blk/W  
Blu  
Black/White  
Blue  
W
White  
R/W  
Red/White  
Light green  
Grn/W  
Org  
Green/White  
Orange  
Y
Yellow  
LGrn  
LBlu  
Brn  
Light blue  
Brown  
Pik  
Grn/Y  
Pink  
Gry  
Gray  
Green/Yellow  
32-  
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Makita Corporation  
3-11-8, Sumiyoshi-cho  
Anjo, Aichi 446-8502 Japan  
PRINTED IN JAPAN  
October 2004 CE-SK  
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