GENERATOR
G7300R
G7301R
INSTRUCTIONS FOR USE
3ZZ9990180
カナダ
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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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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
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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 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.
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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
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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.
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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－
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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.
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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－
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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)
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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－
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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.
■
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.
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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－
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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
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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－
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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－
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(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－
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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.
(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－
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(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－
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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－
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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－
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(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－
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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
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－
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(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－
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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－
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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－
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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 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－
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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－
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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.
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－
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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:
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－
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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－
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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－
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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－
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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－
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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－
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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－
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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－
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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－
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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－
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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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