MAKITA G7301R User Manual

GENERATOR  
G7300R  
G7301R  
INSTRUCTIONS FOR USE  
3ZZ9990180  
カナダ  
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.  
*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.  
FACTORY SERVICE CENTERS IN CANADA  
BRITISH COLUMBIA  
RICHMOND  
(Vancouver Regional Office)  
11771 Hammersmith Way, Richmond, V7A.5H6  
Tel. 1.800.663.0909 or 604.272.3104  
Fax.604.272.5416  
ONTARIO  
LONDON  
317 Adelaide Street S., Unit 117, London, N5Z.3L3  
Tel. 1.800.571.0899 or 519.686.3115  
Fax.519.686.4347  
MISSISSAUGA  
COQUITLAM  
6350 Tomken Road, Unit 8 Mississauga, L5T.1Y3  
Tel. 1.888.221.9811 or 905.670.7255  
Fax.905.670.0120  
Unit 103. 2131 Hartley Avenue, Coquitlam, V3K.2Z3  
Tel. 604.525.7434 or 1.800.266.7738  
Fax.604.525.7435  
OTTAWA (Nepean)  
ALBERTA  
CALGARY  
210 Colonnade Road S, Unit #10, Ottawa (Nepean),  
K2E.7L5  
#8-6115 Fourth Street S.E., Calgary, T2H.2H9  
Tel. 1.800.267.0445 or 403.243.3995  
Fax.403.287.3044  
Tel. 1.888.560.2214 or 613.224.5022/5088  
Fax.613.224.2360  
WHITBY  
(Toronto Head Office)  
EDMONTON  
11614-149 Street, Edmonton, T5M.3R3  
Tel. 1.888.455.6644 or 780.455.6544  
Fax.780.451.4877  
1950 Forbes Street, Whitby, L1N.7B7  
Tel. 1.800.263.3734 or 905.571.2200  
Fax.905.433.4779  
SASKATCHEWAN  
SASKATOON  
QUÉBEC  
ST. LEONARD  
206A-2750 Faithful Avenue, Saskatoon, S7K.6M6  
Tel. 1.888.931.0111 or 306.931.0111  
Fax.306.931.4574  
(Montréal Bureau Régional)  
6389 Boul, Couture, St. Leonard, H1P.3J5  
Tél. 1.800.361.7049 or 514.323.1223  
Fax.514.323.7708  
MANITOBA  
WINNIPEG  
VILLE ST. LAURENT  
1670 St. James Street, Winnipeg, R3H.0L3  
Tel. 1.800.550.5073 or 204.694.0402  
Fax.204.694.5782  
1140 Rue Bégin, Ville St. Laurent, H4R 1X1  
Tél. 1.888.745.5025 or 514.745.5025  
Fax.514.745.6141  
LES SAULES  
1200 St. Jean Baptiste, Unit 106, Québec (Les Saules),  
G2E.5E8  
Tél. 1.800.663.5757 or 418.871.5720  
Fax.418.871.6684  
NOVA SCOTIA  
DARTMOUTH  
202 Brownlow Avenue, Dartmouth,B3B.1T5  
Tel. 1.888.625.4821 or 902.468.7064  
Fax.902.468.3551  
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 service shop  
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.  
CONTENTS  
1. SAFETY PRECAUTIONS・・・・・・・・・・・・・・・・・・・・・1  
2. SPECIFICATIONS・・・・・・・・・・・・・・・・・・・・・・・・・3  
3. COMPONENTS ・・・・・・・・・・・・・・・・・・・・・・・・・・4  
4. PRE-OPERATION CHECKS ・・・・・・・・・・・・・・・・・・・6  
5. OPERATING PROCEDURES・・・・・・・・・・・・・・・・・・・11  
6. WATTAGE INFORMATION ・・・・・・・・・・・・・・・・・・・・22  
7. SPARK ARRESTER・・・・・・・・・・・・・・・・・・・・・・・・24  
8. MAINTENANCE SCHEDULE・・・・・・・・・・・・・・・・・・・25  
9. "HOW-TO" MAINTENANCE ・・・・・・・・・・・・・・・・・・・27  
10. PREPARATION FOR STORAGE・・・・・・・・・・・・・・・・・30  
11. TROUBLESHOOTING ・・・・・・・・・・・・・・・・・・・・・・31  
12. WIRING DIAGRAM ・・・・・・・・・・・・・・・・・・・・・・・・32  
13. OPTIONAL PARTS ・・・・・・・・・・・・・・・・・・・・・・・・34  
1. SAFETY PRECAUTIONS  
Please make sure you review each precaution carefully.  
WARNING  
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.  
WARNING  
Do not place in flammables near the generator.  
Be careful not to place fuel, matches, gunpowder, oily cloths, straw, trash, or any other in flammables  
near the generator.  
WARNING  
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 the exhaust gases will endanger human lives.  
Keep the generator at least 1 meter (3 feet) away from any structure or  
1m  
building during use.  
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.  
WARNING  
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.  
WARNING  
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.  
WARNING  
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.  
1-  
WARNING  
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.  
WARNING  
If wet, wipe and dry it well before starting. Do not pour water directly over the generator, nor wash it  
with water.  
WARNING  
Be extremely careful that all necessary electrical grounding procedures are followed during each and  
every use. Failure to do so can be fatal.  
WARNING  
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.  
WARNING  
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.  
WARNING  
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.  
WARNING  
Keep children and all bystanders at a safe distance from work areas.  
WARNING  
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.  
WARNING  
Use only "LISTED" extension cords.  
When a tool or appliance is used outdoors, use only extension cords marked "For Outdoor Use".  
Extension cords, when not in use should be stored in a dry and well ventilated area.  
WARNING  
Always switch off generator's AC circuit breaker and disconnect tools or appliances when not in use,  
before servicing, adjusting, or installing accessories and attachments.  
CAUTION]  
Make sure the engine is stopped before starting any maintenance, servicing or repair.  
NOTE :  
Make sure maintenance and repair of the generator set are performed by properly trained personnel only.  
2-  
2. SPECIFICATIONS  
G7300R  
G7301R  
MODEL  
Brush Type,Self Exciting,2-Poles,Single Phase  
AVR type  
Type  
AC Output  
Rated voltage  
V
120 / 240  
60  
Rated Frequency  
Rated current  
Hz  
A
50 / 25  
6000  
Rated output  
VA  
Rated power factor  
Safety device ; type  
1.0  
Current breaker  
DC Output  
Rated voltage  
V
A
12  
Rated current  
8.3  
Safety device ; type  
Current breaker  
Neutral ground (Neutral bonded to frame)  
Ground system  
EH41D  
EH41DS  
Model  
Type  
Forced Air-cooled,4-cycle,single cylinder OHV type Gasoline engine  
404  
7.0 / 3,600  
Displacement  
Rated output  
Fuel  
mL  
kW / rpm  
Automotive Unleaded Gasoline  
27.5  
Fuel tank capacity  
L
Rated continuous operation  
[APPROX.]  
Hours  
L
7.0  
1.2  
Engine oil capacity  
Spark plug  
Starting system  
Length  
BPR6ES (NGK)  
Recoil starter  
690  
Electric and Recoil starter  
860  
mm  
mm  
mm  
kg  
530  
530  
Width  
Hight  
90  
95  
Dry weight  
Valve clearance  
(Intake and Exhaust)  
mm  
0.1±0.03  
Note ; Specifications are subject to change without notice.  
3-  
3. COMPONENTS  
FUEL STRAINER  
TANK CAP  
FUEL GAUGE  
(
)
FUEL COCK  
CONTROL  
PANEL  
AIR CLEANER  
RECOIL STARTER  
OIL GAUGE (OIL FILLER)  
OIL DRAIN PLUG  
OIL SENSOR  
FUEL TANK  
EARTH  
(
)
GROUND  
CHOKE LEVER  
TERMINAL  
MUFFLER  
COVER  
SPARK PLUG  
CAP  
EXHAUST  
OUTLET  
4-  
CONTROL PANEL  
KEY SWITCH  
(Electric starter model)  
VOLTMETER  
PILOT LAMP  
FULL POWER  
SWITCH  
AC CIRCUIT  
BREAKER  
DC CIRCUIT  
BREAKER  
HOUR METER  
AC RECEPTACLE  
IDEL CONTROL  
SWITCH  
DC OUTPUT  
TERMINAL  
EARTH  
(GROUND)  
TERMINAL  
AC CIRCUIT BREAKER  
ENGINE SWITCH  
(Recoil starter model)  
5-  
4. PRE-OPERATION CHECKS  
CHECK ENGINE OIL.  
Before checking or refilling oil, be sure  
OIL GAUGE  
(OIL FILLER)  
generator is located on stable and level  
surface with engine stopped.  
Remove oil filler cap and check the  
engine oil level.  
UPPER LEVEL  
If oil level is below the lower level line,  
refill with suitable oil (see table) to  
upper level line. Do not screw in the  
oil filler cap when checking oil level.  
LOWER  
LEVEL  
OIL FILLER NECK  
Change oil if contaminated.  
(See "How-To" Maintenance.)  
Oil capacity : 1.2 liters  
UPPER LEVEL  
LOWER LEVEL  
Recommended engine oil:  
Use 4-stroke automotive detergent  
5W  
10W  
oil of API service class SE or higher  
grade (SG, SH or SJ is  
20W  
#20  
Single grade  
Multigrade  
#30  
recommended). SAE 10W-30 or  
10W-40 is recommended for general,  
all-temperature use. If single  
viscosity oil is used, select the  
appropriate viscosity for the average  
temperature in your area.  
#40  
10W  
-30  
10W  
-
40  
Ambient  
temperature  
6-  
CHECK ENGINE FUEL.  
WARNING  
Do not refuel while smoking or near open flame or other such  
potential fire hazards. Otherwise fire accident may occur.  
Check fuel level at fuel level gauge.  
FUEL FILTER  
SCREEN  
If fuel level is low, refill with automotive  
unleaded gasoline only.  
TANK CAP  
This engine is certified to operate on  
automotive unleaded gasoline.  
Be sure to use the fuel filter screen on  
the fuel filter neck.  
Fuel tank capacity : 27.5 liters  
EMPTY FULL  
E
F
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.  
Wipe off spilt fuel thoroughly before starting engine.  
Keep open flames away.  
7-  
BATTERY INSTALLTION  
Recommended Battery: A capacity of 12V-24AH or larger.  
WARNING  
Death, personal injury and/or property damage may occur unless  
instructions are followed carefully.  
Use battery of recommended capacity.  
Turn the starter switch to the "STOP" position when mounting or dismounting  
battery. When mounting battery, connect the positive (+) cable first and  
then the negative (-) cable to the battery. Be careful not to short battery  
cables. When dismounting battery, disconnect negative (  
-) cable first.  
RED CABLE  
: To positive (+) terminal  
: To negative ( ) terminal  
BLACK CABLE  
-
Should the connection be made in incorrect manner, the generator will  
be broken.  
Tighten bolts and nuts on terminals securely so they will not be  
loosened by vibration.  
Disconnect battery cables when charging battery.  
8-  
M8 BOLT and WASHER  
BATTERY FRAME  
M8 BOLT and WASHER  
SIDE PLATE  
A
M8 NUT  
BATTERY RETAINER  
NUT  
SPRING  
WASHER  
BATTERY  
BOLT  
M8 BOLT and  
WASHER  
BATTERY  
(+)  
A
CABLE  
BATTERY  
CABLE  
(
-)  
BATTERY BASE  
M8 BOLT and WASHER  
9-  
GROUNDING THE  
GENERATOR  
To ground the generator to the earth,  
connect the grounding lug of the  
generator to the grounding spike  
driven into the earth or to the  
conductor which has been already  
grounded to the earth.  
GROUNDING SPIKE  
EARTH TERMINAL  
If such grounding conductor or  
grounding electrode is unavailable,  
connect the grounding lug of the  
generator to the grounding terminal of  
the using electric tool or appliance.  
CHECKING 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 in flammables or other hazardous materials.  
Keep generator at least 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-  
5. OPERATING PROCEDURES  
STARTING  
ON  
CAUTION  
Check the oil level before each  
operations as outlined on page 6.  
(a) Turn the engine switch to the position  
"ON". (Recoil starter model only)  
OFF  
(b) Turn the AC circuit breaker to the  
"OFF" position.  
CLOSE  
(c) Open the fuel cock.  
CLOSE  
OPEN  
(d) Turn the choke lever to close if the  
engine is cold.  
CHOKE LEVER  
OPEN  
CLOSE  
(e)Recoil starter model]  
Pull the starter handle slowly until  
resistance is felt.  
This is the "compression" point.  
Return the handle to its original  
position and then pull swiftly.  
If the engine fails to start after several  
attempts, repeat above procedures  
with choke lever returned to open.  
RECOIL STARTER  
HANDLE  
Do not fully pull out the rope.  
After starting, allow the starter handle  
to return to its original position while  
still holding the handle.  
11-  
(f)Electric starter model]  
STOP  
RUN  
START  
Insert the key into the key switch and  
turn it clockwise to the "RUN" position  
to start the engine.  
RUN  
STOP  
START  
Then turn the key further to the  
"START" position. The engine will be  
started by starting motor.  
CAUTION  
Do not run the starting motor over 5 seconds continuously.  
If the engine fails to start, return the key to the "RUN" position and wait  
about 10 seconds then start again.  
Do not turn the key switch to "START" position when the engine is  
running to prevent damage of starting motor.  
When starting the engine by recoil starter, set the key switch at the "ON"  
position and pull the starter handle.  
(g) After the engine started, return the  
choke lever gradually to "OPEN"  
position.  
CHOKE LEVER  
CLOSE  
OPEN  
(h) Warm up the engine without a load for  
a few minutes.  
12-  
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.  
(1) AC APPLICATION  
(a) Check the voltmeter for proper  
voltage.  
This generator is thoroughly tested and  
adjusted in the factory. If the generator  
does not produce the specified voltage,  
consult your nearest Makita factory or  
authorized service center.  
(b) Turn off the switch (es) of the electrical  
appliance (s) before connecting to the  
generator.  
13-  
(c) Insert the plug (s) of the electrical  
appliance(s) into the receptacle.  
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.  
(d) Turn the AC circuit breaker ON, and  
check if the pilot lamp light up.  
ON  
OFF  
PILOT LAMP  
14-  
Style  
Ampere  
Receptacle  
AC plug  
Description  
GFCI (Ground Fault  
Circuit Interrupter)  
Receptacle, duplex  
(REC1)  
NEMA  
5-20R  
NEMA  
5-20P  
up to 20A  
NEMA  
L5-20R  
NEMA  
L5-20P  
Locking Receptacle  
(REC2)  
up to 20A  
up to 30A  
up to 30A  
NEMA  
L5-30R  
NEMA  
L5-30P  
Locking Receptacle  
(REC2)  
NEMA  
L14-30R  
NEMA  
L14-30P  
Locking Receptacle  
(REC3)  
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 AC circuit 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 factory or authorized service center.  
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.  
15-  
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.  
FULL POWER SWITCH  
Select the voltage using the FULL  
POWER SWITCH in accordance with the  
electrical appliance.  
240V  
120V  
120V  
Refer to TABLE 2.  
CAUTION  
Change the FULL POWER SWITCH  
after turning the AC circuit breaker  
to "OFF".  
NOTE :  
Voltmeter always indicates the lower voltage whichever the FULL POWER  
SWITCH is set.  
Switch position  
120V  
Lower Voltage Receptacle  
Activated full rated output  
Activated half of rated output  
Higher Voltage Receptacle  
N.A  
120/240V  
Activated full rated output  
TABLE 2  
16-  
(2) CONNECTING TO DOMESTIC CIRCUITS (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.  
(a) When connecting a 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  
17-  
Utility high line  
House circuit breaker  
Meter box  
X W Y  
120V  
appliance  
240V  
appliance  
120V  
appliance  
X W Y  
Transfer  
switch  
Generator  
( )  
W
( )  
X
( )  
Y
( )  
G
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.  
18-  
(3) DC APPLICATION  
The DC terminal is used only for charging  
12 volt batteries. It provides up to 12V-  
8.3A (100W) of maximum power.  
Red  
Black  
+
CONNECTION OF CABLE :  
-
Connect positive (red) terminal on  
generator to positive (+) terminal on  
battery.  
Connect negative (black) terminal on  
generator to negative (  
battery.  
-) terminal on  
Both AC and DC output can be used  
at the same time if the total output is  
within rated output of the generator.  
SAFETY PRECAUTIONS WHILE CHARGING  
An explosive hydrogen gas is discharged through vent holes in the battery  
during the charging process. Do not allow spark or open flame around the  
generator or battery during the charging process.  
Electrolyte fluid can burn eyes and clothing. Be extremely careful to avoid  
contact. If injured, wash the affected area immediately with large quantities of  
water and consult a doctor for treatment.  
When charging a large capacity battery or totally discharged battery, excessive  
current may force the DC breaker to turn off.  
In such cases, use a battery charger to charge a large battery with AC output.  
Battery defects may cause the DC breaker to turn off.  
Check the battery before replacing the DC breaker.  
19-  
STOPPING  
(a) Turn off the power switch of the  
electric equipment and unplug the cord  
from receptacle of the generator.  
ON  
(b) Turn the AC circuit breaker to the  
"OFF" position.  
OFF  
(c) Allow the engine about 3 minutes to  
cool down at no-load before stopping.  
(d)Recoil starter model]  
Turn the engine switch to the position  
"OFF".  
STOP  
RUN  
START  
RUN  
STOP  
START  
Electric starter model]  
Turn the key switch to the STOP  
position.  
(e) Close the fuel cock.  
OIL SENSOR  
(a) The oil sensor detects the fall in oil  
level in the crankcase and automati-  
cally stops the engine when the oil  
level falls below a predetermined level.  
CLOSE  
(b) When engine has stopped  
automatically, switch off generator's  
AC circuit breaker, and check the oil  
level.  
CLOSE  
Refill engine oil to the upper level as  
instructed on page 6 and restart the  
engine.  
OPEN  
(c) If the engine does not start by usual  
starting procedures, check the oil level.  
CAUTION  
Do not remove OIL SENSOR  
PROBE when refilling with oil.  
Remove oil filler cap on the  
opposite side of carburetor.  
OIL SENSOR  
20-  
IDLE CONTROL  
IDLE CONTROL automatically reduces engine speed when load is OFF, and  
automatically increases engine speed to rated r.p.m. when load is ON.  
IDLE CONTROL provides fuel economy and low noise operation at no-load  
running.  
(1) HOW TO USE IDLE CONTROL  
ON  
Start the engine with IDLE CONTROL  
SWITCH off.  
NOTE :  
Warm up the engine without a load for a  
few minutes.  
Turn IDLE CONTROL SWITCH on.  
OFF  
(2) CHECKING THE OPERATION  
When IDLE CONTROL 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.  
Turn IDLE CONTROL SWITCH off when the IDLE CONTROL does not work  
normally under the rated output.  
NOTE :  
The IDLE CONTROL may not operate when the applied load is under 40W. In such  
cases turn the IDLE CONTROL SWITCH off.  
(3) STOPPING THE ENGINE  
Turn off the switch of load.  
Switch off generator's AC breaker.  
Disconnect tool or appliance.  
Turn the IDLE CONTROL SWITCH off.  
Turn the STOP SWITCH to the position "O" (OFF).  
NOTE :  
Allow the engine about 3 minutes to cool down at no-load before stopping.  
21-  
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 5,000 watt generator can power a 1800 to 4000 watt electrical  
tool.  
Loads such as submersible pumps 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 1,000 to 1,700 watt  
pump.  
NOTE :  
The following wattage chart is general guide only. Refer to your specific appliance for  
correct wattage.  
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  
60Hz  
Incandescent lamp, Heater  
Fluorescent lamp, Electric tool  
Mercury lamp  
6000  
3000  
2000  
1400  
Pump, Compressor  
22-  
VOLTAGE DROP IN ELECTRIC EXTENSION CORDS  
When a long electric extension cord is used to connect an appliance or tool to the  
generator, a certain amount of voltage drop or loss occurs in the extension cord  
which reduces the effective voltage available for the appliance or tool.  
The chart below has been prepared to illustrate the approximate voltage loss when  
an extension cord of 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  
23-  
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.  
2. Remove the special screw from the  
spark arrester and remove the spark  
MUFFLER COVER  
arrester from the muffler.  
SCREW  
SPARK  
ARRESTER  
SCREEN  
Clean the spark arrester screen  
MUFFLER  
Use a brush to remove carbon deposits  
from the spark arrester screen.  
Be careful to avoid damaging the screen.  
SPARK ARESSTER 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.  
24-  
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:  
Enough gasoline  
Excessive vibration,noise  
Enough clean engine oil  
Loose or broken bolts and nuts  
Leakage of gasoline and engine oil  
Safe surroundings  
Clean air cleaner element  
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.  
25-  
Periodic Maintenance Schedule table  
Every  
8 hours  
(Daily)  
Every  
50 hours  
(Weekly)  
Every  
200 hours  
(Monthly)  
Every  
500  
hours  
Every  
1000  
hours  
Maintenance Items  
Clean generator and check bolt  
and nuts  
(Daily)  
(Refill daily up to upper level)  
Check and refill engine oil  
Change engine oil (*Note1)  
Clean spark plug  
(Initial 20 hours)  
(Every 100 hours)  
Clean air cleaner  
Replace air cleaner element  
Clean fuel strainer  
Clean and adjust spark plug and  
electrodes  
Replace spark plug  
Clean spark arrester  
(Every 100 hours)  
Remove carbon from cylinder head  
(*Note 2)  
Check and adjust valve clearance  
(*Note 2)  
Clean and adjust carburetor  
(*Note 2)  
Clean 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 factory or authorized service  
center.  
26-  
9. "HOW-TO" MAINTENANCE  
ENGINE OIL CHANGE  
Change engine oil every 100 hours.  
(For new engine, change oil after 20  
hours.)  
(a) Drain oil by removing the drain plug  
and the oil filler cap while the engine  
is warm.  
(b) Reinstall the drain plug and fill the  
engine with oil until it reaches the  
upper level on the oil filler cap.  
OIL DRAIN PLUG  
Use fresh and high quality lubricating oil to the specified level as directed on page 6.  
If contaminated or deteriorated oil is used or the quantity of the engine oil is not  
sufficient, the engine damage will result and its life will be greatly shortened.  
Oil capacity : 1.2 liters  
CLEANING AIR CLEANER  
CAUTION  
Do not wash elements with  
kerosene, gasoline or oil.  
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.  
1. Urethane Foam Element  
Wash and clean the urethane foam with detergent. After cleaning, dry it.  
Clean the urethane foam element every 50 hours.  
2. Paper element  
Clean by tapping gently to remove dirt and blow off dust.  
Never use oil. Clean the paper element every 50 hours of operation, and  
replace element set every 200 hours.  
Clean and replace air cleaner elements more often when operating in dusty  
environments.  
27-  
CLEANING AND ADJUSTING  
SPARK PLUG  
(a) If the plug is contaminated with  
carbon, remove it using a plug cleaner  
or wire brush.  
(b) Check electrode gap.  
Adjust gap to 0.7mm to 0.8mm.  
0.7 to 0.8 mm  
Model  
Spark plug  
G7300R / G7301R  
NGK BPR6ES  
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-  
CHECKING CARBON BRUSH  
BRUSH  
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.  
HOLDER  
15 to 5 mm  
Check the brush every 500 hours or if  
generator performance is irregular.  
BRUSH  
If the brush is 5 mm long or less, replace  
it with a new one.  
BRUSH  
HOLDER  
(a) Remove the brush cover.  
FLANGE  
BOLT  
(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  
29-  
10. PREPARATION FOR STORAGE  
The following procedures should be followed prior to storage of your generator for  
periods of 6 months or longer.  
Drain fuel from fuel tank carefully by  
disconnecting the fuel line.  
Gasoline left in the fuel tank will  
eventually deteriorate making engine-  
starting difficult.  
Remove the drain screw of the  
carburetor.  
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 !  
Pull starter handle until resistance is felt, leaving handle in that position.  
Store generator in a well ventilated, low humidity area.  
30-  
11. TROUBLESHOOTING  
When generator engine fails to start after several attempts, or if no electricity is  
available at the output socket, check the following chart. If your generator still fails  
to start or generate electricity, contact your nearest Makita factory or authorized  
service center for further information or corrective procedures.  
When Engine Fails to Start :  
Set the choke lever to "CLOSE"  
position.  
Check if choke lever is in its proper  
position.  
Check if fuel cock is open.  
Check fuel level.  
If closed, open fuel cock.  
If empty, refill fuel tank making sure not  
to overfill.  
Check if engine switch is in OFF.  
Turn engine switch to ON.  
Check to make sure generator is not  
connected to an appliance.  
If connected, turn off the power switch  
on the connected appliance and unplug.  
Check spark plug for loose spark plug  
cap.  
If loose, push spark plug cap back into  
place.  
Check spark plug for contamination.  
Remove spark plug and clean electrode.  
When No Electricity Is Generated at Receptacle :  
After making sure that the total wattage  
of the electrical appliance is within  
permissible limits and there are no  
defects in the appliance, turn the AC  
circuit breaker to the "ON" position.  
If breakers continue to actuate, consult  
your nearest servicing dealer.  
Check to make sure AC circuit breaker  
is in the "ON" position.  
Check AC receptacle and DC terminals  
for loose connection.  
Secure connection if necessary.  
Turn off switch on the appliance, and  
disconnect cable from receptacle.  
Reconnect after generator has been  
started properly.  
Check to see if engine starting was  
attempted with appliances already  
connected to generator.  
Low power.  
Carbon brushes are excessively worn  
31-  
12. WIRING DIAGRAM  
G7300R  
I g n i t i o n c o i l  
B l k  
W
G r n  
G r y  
G r y  
B l k  
R
D C  
M C 1  
M C 2  
F C  
32-  
G7301R  
I g n i t i o n c o i l  
B l k  
W
B l k  
R
D C  
M C 1  
F C  
M C 2  
33-  
13. OPTIONAL PARTS  
HOW TO INSTALL THE WHEEL, HANDLE AND ROOF PIPE  
ROOF PIPE  
M8 BOLT and WASHER  
HANDLE (L)  
M8 BOLT and WASHER  
M8 NUT  
BRACKET  
HANDLE  
BRACKET  
HANDLE GUIDE  
GRIP  
M8 BOLT and WASHER  
M8 NUT  
PIN  
WASHER  
HANDLE (R)  
WHEEL  
WHEEL SHAFT  
34-  
ISSUE EMD-GU2043  
Makita Corporation  
3-11-8, Sumiyoshi-cho  
Anjo, Aichi 446-8502 Japan  
PRINTED IN JAPAN  
January 2005  
CE-SK  

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