MCH M3000i User manual

generator is designed to give safe and dependable service if
operated according to instructions. Read and understand the Owner’s
Manual before operating the generator. Failure to do so could result in
personal injury or equipment damage.
• The illustration may vary according to the type.
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PREFACE
Thank you for purchasing generator.
This manual covers operation and maintenance of the 3000i generator.
All information in this publication is based on the latest product information
available at the time of approval for printing.
reserves the right to make changes at any time without notice
and without incurring any obligation.
No part of this publication may be reproduced without written permission.
This manual should be considered a permanent part of the generator and
should remain with it if it is resold.
Pay special attention to statements preceded by the following words:
Indicates a strong possibility of severe personal injury or death 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.
WARNING
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PREFACE .........................................................................................................................1
SAFETY INSTRUCTIONS................................................................................................4-6
GENERATOR SAFETY . .................................................................................................7-8
CONTROLS & FEATURES ..........................................................................................9-13
BEFORE OPERATION......................................................................................................14
OPERATION . ..............................................................................................................15-22
SAFE OPERATING PRECAUTIONS . .......................................................................15
STARTING THE ENGINE . ...........................................................................................16
STOPPING THE ENGINE ..........................................................................................17
AC OPERATION. .........................................................................................................17
AC APPLICATIONS......................................................................................................18
AC PARALLEL OPERATION . .....................................................................................18
AC Parallel Opertion Applications........................................................................19
DC OPERATION . ........................................................................................................20
SMART THROTTLE SYSTEM. .....................................................................................21
STANDBY POWER. .....................................................................................................21
Connections To A Building's Electrical System. .....................................................................21
System Ground.................................................................................................................22
Special Requirements ......................................................................................................22
SERVICING YOUR GENERATOR................................................................................23-31
THE IMPORTANCE OF MAINTENANCE. .....................................................................23
MAINTENANCE SAFETY. ............................................................................................23
Safety Precautions..................................................................................................24
MAINTENANCE SCHEDULE .......................................................................................24
REFUELING. ...............................................................................................................25
FUEL RECOMMENDATIONS ...................................................................................26
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CONTENTS

ENGINE OIL LEVEL CHECK . ......................................................................................26
ENGINE OIL CHANGE . ..............................................................................................27
ENGINE OIL RECOMMENDATIONS. ...........................................................................29
AIR CLEANER SERVICE. ............................................................................................29
AIR FILTER CLEANING. ...............................................................................................30
SPARK PLUG SERVICE. ..............................................................................................30
SPARK ARRESTER SERVICE. ....................................................................................31
STORAGE...............................................................................................................32-34
STORAGE PREPARATION . ...................................................................................32
Cleaning. .......................................................................................................................32
The Fuel Tank And Carburetor . ...............................................................................33
Engine Oil. .....................................................................................................................34
STORAGE PRECAUTIONS. .........................................................................................34
REMOVAL FROM STORAGE. ......................................................................................34
TRANSPORTING..........................................................................................................35
TAKING CARE OF UNEXPECTED PROBLEMS....................................................36-37
ENGINE WILL NOT START . .........................................................................................36
APPLIANCE DOES NOT OPERATE. ............................................................................36
NO POWER AT THE AC RECEPTACLES. ....................................................................36
NO POWER AT THE DC RECEPTACLE. ......................................................................37
TECHL INFORMATION...........................................................................................37-40
SERIAL NUMBER LOCATION. .....................................................................................37
CARBURETOR MODIFICATION FOR HIGH ALTITUDE OPERATION. .......................38
SPECIFICATIONS. .......................................................................................................39
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Important safety information
generators are designed for use with electrical equipment that has suitable
power requirements. Other uses can result in injury to the operator or damage to the
generator and
other property.
Most injuries or property damage can be prevented if you follow all instructions in
this manual and on the generator. The most common hazards are discussed below, along
with the best way to protect yourself and others.
Never attempt to modify the generator. It can cause an accident as well as damage to
the generator and appliance
• Do not modify the intake system.
• Do not adjust the governor.
• Do not remove the control panel or do not change the wiring of the control panel.
•Do not connect an extension to the muffileres.
Operator responsibility
Know how to stop the generator quickly in case of emergency. Understand the use of all
generator controls, output receptacles, and connections.
Be sure that anyone who operates the generator receives proper instruction. Do not let
children operate the generator without parental supervision.
Be sure to observe the instructions in this manual for how to use the generator and
maintenance information. Ignoring or improperly following the instructions can cause an
accident such as an electric shock, and the condition of the exhaust gas may deteriorate.
Obey all applicable laws and regulations where the generator is used.
Gasoline and Oil is toxic. Follow the instructions provided by each manufacturer before use.
Place the generator on a rm level place before operation.
Do not operate the generator with any cover removed. You may get your hand or foot caught
in the generator and it may cause accident.
Consult the authorized dealer for disassembly and service of the generator that are
not covered in this manual.
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SAFETY INSTRUCTIONS
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SAFETY INSTRUCTIONS
Carbon monoxide hazards
Exhaust contains poisonous carbon monoxide, a colorless, odorless gas. Breathing exhaust
can cause loss of consciousness and may lead to death. If you run the generator in an
area that is conned, or even partially enclosed area, the air you breathe could contain a
dangerous amount of exhaust gas.
Never run your generator inside a garage, house, or near open windows or doors.
Electric shock hazards
The generator produces enough electric power to cause a serious shock or electroc- ution if
misused.
Using a generator or electrical appliance in wet conditions, such as rain or snow, or near a
pool or sprinkler system, or when your hands are wet, could result in electrocution.
Keep the generator dry.
If the generator is stored outdoors, unprotected from the weather, check all of the electrical
components on the control panel before each use. Moisture or ice can cause a malfunction
or short circuit in electrical components that could result in electrocution.
If you get an electric shock, consult a doctor and have medical treatment immediately.
Fire and Burn Hazards
Do not use the generator in areas with a high risk of re.
The exhaust system gets hot enough to ignite some materials.
-Keep the generator at least 1 meter (3 feet) away from buildings and other equipment
during operation.
-Do not enclose the generator in any structure.
-Keep ammable materials away from the generator.
Some parts of the internal combustion engine are hot and may cause burns. Pay attention
to the warnings on the generator.
The mufer becomes very hot during operation and remains hot for a while after stopping
the engine. Be careful not to touch the mufer while it is hot. Let the engine cool before
storing the generator indoors.

SAFETY INSTRUCTIONS
Do not pour the water directly on the generator to put out the re when it occurs.
Use an appropriate re extinguisher specially designed for electric re or oil re.
If you inhale fumes produced by an accidental re with the generator, consult adoctor and
have medical treatment immediately.
Refuel with care
Gasoline is extremely ammable, and gasoline vapor can explode. Allow the engine to cool
if the generator has been in operation.Refuel only outdoors in a well ventilated area with the
engine off. Do not refuel during operation.
Do not overll the fuel tank.
Never smoke near gasoline, and keep other ames and sparks away. Always store gasoline
in an approved container.
Make sure that any spilled fuel has been wiped up before starting the engine.
Explosion proof
This generator is not compliant with explosion proof.
Dispoal
Toprotect the environment, do not dispose of the used generator, battery, engine oil, etc.
carelessly by leaving them in the waste. Observe the local laws or regulations or consult
your authorized generator dealer to dispose of these parts.
Please dispose of used motor oil in a manner that is compatible with the environment. We
suggest you take it in a sealed container to your local service station for reclamation. Do not
throw it in the trash or pour it on the ground.
An improperly disposed battery can hurt the environment. Always confirm localregulations
for battery disposal. Contact your servicing dealer for a replacement.
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Safety label locations
These labels warn you of potential hazards that can cause serious injury. Read
them carefully.
If a label comes off or becomes hard to read, contact your servicing dealer
for a replacement.
GENERATOR SAFETY
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SERVICE DETAILS EVERY 3 Months
or 50 Hours
EVERY 6 Months or 100 Hours
Spark plug MUST be cleaned or replaced
Replacoment oll-SAE 10W-30-Quantity 0.6 Litre
Replacement spark plug-F7RTC
stop the enine before refueling
Be sure to connect only the
special lead to the parallel
operation receptacle
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generator is designed to give safe and dependable
service if operated according to instructions.
Read and understand the Owner's Manual before
operating the generator. Failure to do so could result in
personal injury or equipment damage.
Exhaust contains poisonous carbon monoxide, a
colorless, odorless gas. Breathing carbon monoxide
can cause loss of consciousness and may lead to death.
If you run the generator in an area that is conned,
Improper connections to a building's electrical system can allow
current from the generator to backfeed into the utility lines.
Such backfeed may electrocute utility company workers or others who
contact the lines during a power outage, and the generator may
explode, burn, or cause res when utility power is restored.
Consult the utility company or a qualied electrician prior to making
any power connections.
Gasoline is highly ammable and explosive. Turn the
engine off and let it cool before refueling.
Connect and remove the receptacle box for parallel
operation with the engine stopped. For single operation,
the receptacle box for parallel operation must be removed.
GENERATOR SAFETY
or even partially enclosed area, the air you breathe could contain a dangerous amount
of exhaust gas.
Never run your generator inside a garage, house or near open windows or doors.
A hot exhaust system can cause serious burns.Avoid contact
if the engine has been running.
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CONTROLS & FEATURES
Component & control locations
Use the illustrations on these pages to locate and identify the most frequently
used controls.
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OVERLOAD INDICATOR
OUTPUT INDICATOR
OIL ALERT INDICATOR
DC RECEPTACLE( Cigarette Lighter Socket )
DC CIRCUIT PROTECTOR
ENGINE SWITCH
AC CIRCUIT PROTECTOR
SMART THROTTLE
SWITCH
GROUND TERMINAL
AC RECEPTACLES
AC RECEPTACLES
FOLDING HANDLE STARTER GRIP
DIPSTICK
OIL MAINTENANCE COVER
FUEL TANK CAP

CONTROLS
Engine switch
Starter grip
Pulling the starter grip operates the recoil starter to crank the engine.
Do not allow the starter grip to snap back against the generator. Return it gently to prevent
damage to the starter.
ENGINE SWITCH
MUFFLER
FILTERS
AIR CLEANER
COVER AIR CLEANER /SPARK
PLUG MAINTENANCE
COVER
SPARK PLUG
AIR CLEANER
COVER SCREW
CONTROLS &FEATURES
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The engine switch controls the ignition system, fuel valve and choke valve.
OFF-Stops the engine andcloses the fuel valve.
ON- Running position; opens the fuel valve and allows the engine to be started.
CHOKE-Closes choke valve.
The choke is used to provide proper starting mixture when the engine is cold.
OFF
ON
CHOKE
STARTER GRIP
ENGINE SWITCH

CONTROLS & FEATURES
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DC circuit protector
The DC circuit protector automatically shuts off the
DC battery charging circuit when the DC charging
circuit is overloaded, when there is a problem with
the battery, or when the connections between the
battery and the generator are improper. However,
the circuit protector does not prevent overcharging.
Smart throttle System
DC receptacle
The smart throttle system automatically reduces engine speed when loads are
turned off or disconnected. When appliances are turned on or reconnected, the
engine returns to the proper speed to power the electrical load.
If high electrical loads are connected simultaneously, turn the Smart throttle switch
ehtnrut,tuptuoCDehtgnisunehW.segnahcegatlovecuderotnoitisopFFOehtot
Smart throttle switch to the OFF position.
ON: Recommended to minimize fuel consumption and further reduce noise levels
when less than a full load is applied to the generator.
OFF: The smart throttle system does not operate.
Parallel operation outlets
These outlets are used for connecting two D3000i generators for parallel operation
(see page 18-19 ). An approved parallel operation cable kit (optional
equipment) is required for parallel operation. This kit can be purchased from an
authorized generator dealer.
The DC receptacle should ONLY be used for charging 12-volt automotive type batteries.
The DC charging output is not regulated.
SMART THROTTLE
SWITCH
ON
OFF
PARALLEL OPERATION OUTLETS
DC CIRCUIT PROTECTOR
DC RECEPTACLE
PUSH
OFF
ON
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Folding handle
The foldable handle is intended for ease of transportation
and should be folded when the generator is stationary.
Do not rest objects on the handle when in the transport
position.
To extend the handle
Lift the handle upward with both hands.
To fold the handle
Lower the handle with both hands until it clicks into place.
FOLDING HANDLE
NOTICE CORRECT
FEATURES
Ground terminal
Be sure to ground the generator when the
connected
equipment is grounded.
Before using the ground terminal, consult a
qualied electrician, electrical inspector, or local
agency having jurisdiction for local codes or
ordinances that apply to the intended use of the
generator.
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CONTROLS &FEATURES
GROUND TERMINAL

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CONTROLS & FEATURES
If the engine stops or the Oil Alert indicator (Red) comes on when you pull the starter
grip, check the engine oil level (see page 26 ) before troubleshooting in other areas.
Output Indicator
Overload Indicator
Oil alert Indicator
The output indicator (green) is illuminated when
the generator is operating normally. It indicates
that the generator is producing electrical power
at the receptacles.
If the generator is overloaded (in excess of 3.0
KVA), or if there is a short circuit in a connected
appliance, the overload indicator (red) will come
on. If the overload indicator (red) stays on
continuously for more than 3 seconds, current to
the connected appliance(s) will shut off, and the
output indicator (green) will go off. However, the
engine will continue to run.
cient amount of oil in the crankcase. Before the oil level in the crankcase can fall
below a safe limit, the Oil Alert indicator (Red) comes on and the Oil Alert
system automatically will stop the engine (the engine switch will remain in the
ON position).
OUTPUT INDICATOR
OVERLOAD INDICATOR
OIL ALERT INDICATOR

OPERATION
To prevent a possible fire, keep the generator at least 3 feet (1 meter) away from
building walls and other equipment during operation. Do not place flammable objects
close to the engine. Before beginning your pre-operation checks, be sure the generator
is on a level surface and the engine switch is in the OFF position.
Check the engine
Check the oil level (see page 26 ). A low oil level will cause the Oil Alert system to shut
down the engine.Check the air filter (see page 30 ). A dirty air filter will restrict air flow to
the carburetor, reducing engine and generator performance.Check the fuel level (see
page 25 ). Starting with a full tank will help to eliminate or reduce operating interruptions
for refueling.
BEFORE OPERATION
Are you ready to get started?
Your safety is your responsibility. A little time spent in preparation will significantly
reduce your risk of injury.
Know ledge
Read and understand this manual. Know what the controls do and how to operate
them.Familiarize yourself with the generator and its operation before you begin using it.
Know how to quickly shut off the generator in case of an emergency.
If the generator is being used to power appliances, be sure that they do not exceed the
generator's load rating (see pages 18 ).
Statement
CERTIFIED FOR [identify nominal engine speed or range of speeds for testing]
OPERATION ONLY.
Is your generator ready to go?
For your safety, and to maximize the service life of your equipment, it is very important to
take a few moments before you operate the generator to check its condition. Be sure to
take care of any problem you find, or have your servicing dealer correct it, before you
operate the generator.
Improperly maintaining this generator, or failing to correct a problem before operation,
could cause a malfunction in which you could be seriously injured. Always perform a
pre-operation inspection before each operation, and correctany problem.
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WARNING

OPERATION
Safe operating precautions
Before operating the generator for the rst time, review chapters GENERATOR SAFETY
(see page 7-8 ) and BEFORE OPERATION (see page 14 ).
For your safety, do not operate the generator in an enclosed area such as a garage.
Your generator's exhaust contains poisonous carbon monoxide gas that can collect
rapidly in an enclosed area and cause illness or death.
Exhaust contains poisonous carbon monoxide gas that can build up to dangerous levels in
closed areas. Breathing carbon monoxide can cause unconsciousness or death.
Never run the generator in a closed, or even partly closed area where people may be present.
Before connecting an AC appliance or power cord to the generator:
Use grounded 3-prong extension cords, tools, and appliances, or double-insulated tools and
appliances.
Inspect cords and plugs, and replace if damaged.
Make sure that the appliance is in good working order. Faulty appliances or power cords can
create a potential for electric shock .
Make sure the electrical rating of the tool or appliance does not exceed that of the generator.
Never exceed the maximum power rating of the generator. Power levels between rated and
maximum may be used for no more than 30 minutes.
Operate the generator at least 3 feet (1 meter) away from buildings and other equipment.
Do not operate the generator in an enclosed structure.
Make sure that the appliance is in good working order. Faulty appliances
or power cords can create a potential for electric shock. (Make sure the
electrical rating.)
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WARNING

OFF
ON
CHOKE
OPERATION
Starting the engine
NOTICE
Operating this generator less than 3 feet (1 meter) from a building or other obstruction
can cause overheating and damage the generator. For proper cooling, allow at least 3
feet (1 meter) of empty space above and around the generator.
Refer to SAFE OPERATING PRECAUTIONS on page 14 and perform the IS YOUR
GENERATOR READY TO GO checks (see page 14). Refer to AC OPERATION (see
page 17 ) or DC OPERATION (see page 20 ) for connecting loads to the generator.
1. Make sure that all appliances connected to the
generator are turned off. The generator may be
hard to start if a load is connected.
2. Make sure the Smart throttle switch is in the
OFFposition.
3. Turn the engine switch to the ON position.
To start a cold engine, turn the engine switch to the
CHOKE position.
To restart a warm engine, leave the engine switch in
the ON position.
4. Pull the starter grip lightly until you feel
resistance, then pull briskly in the direction of the
arrow as shown.
Do not allow the starter grip to snap back against
the generator. Return it gently to prevent damage to
the starter.
5. If the engine switch was turned to the CHOKE
position to start the engine, turn it to the ON position
as the engine warms up.
6. If you wish to use the Smart throttle system, turn
the Smart throttle switch to the ON position after the
engine has warmed up for 2 or 3 minutes.
ENGINE SWITCH
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SMART THROTTLE
SWITCH
ENGINE SWITCH
SMART THROTTLE
SWITCH
ENGINE SWITCH

OPERATION
ENGINE SWITCH
SWITCH
To stop the engine in an emergency, simply turn the engine switch to the OFF
position. Under normal conditions, use the following procedure.
1. Turn off or disconnect all appliances connected to the generator.
2. Turn the engine switch to the OFF position.
3. If two generators were connected for parallel operation, disconnect the parallel
operation cable after stopping the engines if you do not wish to resume parallel
operation.
Stopping the engine
OFF
ON
CHOKE
Before connecting an appliance to the generator, make sure that the appliance is in
good working order and that its electrical rating does not exceed that of the receptacle.
Most motorized appliances require more than their electrical rating for startup. When an
electric motor is started, the overload indicator (red) may come on. This is normal if the
overload indicator (red) goes off within 9 seconds. If the overload indicator (red) stays
on, consult your generator dealer.
1. Start the engine (see page 16 ) and make sure the
output indicator (green) comes on.
2. Plug an appliance into the appropriate receptacle.
3. Turn on the appliance.
If the generator is overloaded (see page 18), or if there is a short circuit in a connected
appliance, the overload indicator (red) will come on. If the overload indicator (red) stays
on continuously for more than 4 seconds, current to the connected appliance(s) will
shut off, and the output indicator (green) will go off. Stop the engine and investigate
the problem. Determine if the cause is a short circuit in a connected appliance or an
overload. Correct the problem and restart the generator.
AC operation
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PARALLEL OPERATION CABLE(optional equipment)

Before connecting an appliance or power cord to the generator:
Make sure that it is in good working order. A faulty appliance or power cord can create
apotential for electrical shock.
If an appliance begins to operate abnormally, becomes sluggish, or stops suddenly, turn
it off immediately. Disconnect the appliance, and determine whether the problem is the
appliance or the rated load capacity of the generator has been exceeded.
Make sure that the combined electrical rating of the tools or appliances do not
exceedthat of the generator. Never exceed the maximum power rating of the generator.
Substantial overloading will open the circuit protector. Exceeding the time limit for
maximum power operation or slightly overloading the generator may not switch the
circuit protector OFF, but will shorten the service life of the generator.
Limit operation requiring maximum power to 60 s. Maximum power is: 3.0 KVA For
continuous operation, do not exceed the rated power. Rated power is: 2.6KVA The total
power requirements (KVA) of all appliances connected must be considered.
AC applications
NOTICE
NOTICE
AC parallel operation
Before connecting an appliance to either generator, make sure that the appliance is in
good working order and that its electrical rating does not exceed that of the receptacle.
Most motorized appliances require more than their electrical rating for startup.
When an electric motor is started, the overload indicator (red) may come on. This is
normal if the overload indicator (red) goes off within 9 seconds. If the overload indicator
(red) stays on, consult your generator dealer.
During parallel operation, the Smart throttle switch should be in the same position on
both generators.
OPERATION
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parallel function can bring the company various types of generator in parallel.
But how about how to connect and select accessories please consult and
related dealer service providers.
1. Connect the parallel operation cable kit between the two 3000i generators following
the instructions supplied with the kit.
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OPERATION
2. Start the engines (see page 16 ) and make sure the output indicator (green) on each
generator comes on.
3. Plug in the appliance following the instruction provided with the parallel operation cable
kit.
4. Turn on the appliance.
If the generators are overloaded (see page 18 ), or if there is a short circuit in a connected
appliance, the overload indicator (red) will come on. If the overload indicator (red) stays on
continuously for more than 3seconds, current to the connected appliance(s) will shut off,
and the output indicator (green) will go off.
Stop both engines and investigate the problem.
Determine if the cause is a short circuit in a connected appliance or an overload.
Correct the problem and restart the generator.
AC Parallel Operation Applications
Follow the instructions included with the parallel operation cable kit. Before
connecting an appliance or power cord to the generator:
Make sure that it is in good working order. Afaulty appliance or power cord can create a
potential for electrical shock.
If an appliance begins to operate abnormally, becomes sluggish, or stops suddenly, turn
it off immediately. Disconnect the appliance, and determine whether the problem is the
appliance or the rated load capacity of the generator has been exceeded.
Make sure that the combined electrical rating of the tools or appliances do not exceed that
of the generator. Never exceed the maximum power rating of the generator. Power levels
between rated and maximum may be used for no more than 30 minutes.
Never use a generator connected to other companies generators.
Use only a approved parallel operation kit (optional equipment) when connecting
two 3000i generators for parallel operation.
Never connect or remove the parallel operation cable when the generator is running.
For single generator operation, the parallel operation cable must be removed.
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Substantial overloading that continuously lights the overload indicator (red) may damage
the generator. Marginal overloading that temporarily lights the overload indicator (red)
may shorten the service life of the generator.
Limit operation requiring maximum power to 30 minutes. Maximum power in parallel
operation is double the available power for single unit operation.
For continuous operation, do not exceed the rated power.
Rated power in parallel operation is double the available power for single unit operation.
The total power requirements (KVA) of all appliances connected must be considered.
Appliance and power tool manufacturers usually list rating information near the model
number or serial number.
NOTICE
The DC receptacle should ONLY be used for charging 12-volt automotive type batteries.
The DC charging output is not regulated.
The DC receptacle can be used while the AC power is in use.
When using the AC power together with DC power, do not exceed 20.8 ampere AC load.
When using the DC output, turn the Smart throttle switch to the OFF position.
Connecting the battery charging cable (optional equipment):
1. Before connecting the battery charging cable to a battery that is installed in a vehicle,
disconnect the vehicle battery ground cable from the negative(-)battery terminal.
DC operation
OPERATION
The battery gives off explosive hydrogen gas during normal operation.
hurt you.
Wear protective clothing and a face shield, or have a skilled mechanic perform the battery
maintenance.
Warning: Battery posts, terminals, and related accessories contain lead and lead
components. Wash hands after handling.
WARNING
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2. Plug the battery charging cable into the DC
receptacle of the generator.
3. Connect the red lead of the battery charging
cable to the positive (+)battery terminal and
theblack lead to the negative(-)battery terminal.
4. Start the generator (see page 16 ).
BATTERY CHARGING
CABLE (optional equipment)
BLACK LEAD
RED LEAD DC RECEPTACLE
+
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