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Black
Cyan
Magenta
Yellow
Code: GEN2300ES IM
Date: 080219 Edition: 04 Op: DJ
2300W
AVR PETROL
GENERATOR
WITH ELECTRIC KEY START
GEN2300ES
INSTRUCTION MANUAL
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Contents
Warranty Generators
Whilst every effort is made to ensure your complete
satisfaction with this tool, occasionally, due to the mass
manufacturing techniques, a tool may not live up to our
required level of performance and you may need the
assistance of our service department.
This product is warranted for a 6-month period for home
domestic use from the date of the original purchase.
If found to be defective in materials or workmanship,
the tool or the offending faulty component will be replaced
free of charge with another of the same item.
A
small freight charge may apply. Proof of purchase is
essential. We reserve the right to reject any claim where
the purchase cannot be verified.
This warranty does not include damage or defects to the
tool caused by or resulting from abuse, accidents,
alterations or commercial or business use. It also does not
cover any bonus items or included accessories. Only the
powertool is covered under this warranty.
Please ensure that you store your receipt in a safe place.
Conditions apply to the above warranty. For full details of
the warranty terms and conditions please refer to our
website – www.gmcompany.com
For prompt service we suggest you log your service
request online - www.gmcservice.com.au. Should you not
have access to the internet, please contact our service
department on 1300 880 001 (Australia)
or 0800 445 721 (New Zealand).
2
Warranty 2
Introduction 3
Environmental protection 3
Scope of product 3
Description of symbols 3
Specifications 3
Safety instructions 4
Risk of electrocution and fire 6
Risk of fire 7
Risk of injury and property damage when transporting generator 8
Risk of breathing – inhalation hazard 8
Risk of unsafe operation 8
Risk of hot surfaces 9
Risk of moving parts 9
Risk from lifting 9
Additional safety rules for generators 10
Unpacking 10
Know your product 11
Automatic voltage regulator (AVR) 12
Preparing the generator 12
Checking the engine fuel 12
Checking the engine oil 12
Connecting the battery 12
Starting the engine with key start 13
Starting the engine manually 13
Stopping the engine 13
Connecting apparatus to the generator 14
Charging the battery 14
AC safety switch 15
Safety switch tripping 15
DC overload cut out 16
Generator maintenance 16
Periodic maintenance 17
Storage 18
Spark plugs 18
Engine oil replacement 18
Air filter 18
Petrol tank filter 19
Tap extension fuel filter 19
Cleaning 20
Repairs 20
Troubleshooting 21
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3
Introduction
Your new GMC power tool will more than satisfy
your expectations. It has been manufactured under
stringent GMC Quality Standards to meet superior
performance criteria.
You will find your new tool easy and safe to operate,
and, with proper care, it will give you many years
of dependable service.
CAUTION. Carefully read through this entire Instruction
Manual before using your new GMC Power Tool. Take
special care to heed the Cautions and Warnings.
Your GMC power tool has many features that will make
your job faster and easier. Safety, performance, and
dependability have been given top priority in the
development of this tool, making it easy to maintain
and operate.
Environmental protection
Recycle unwanted materials instead
of disposing of them as waste. All tools,
hoses and packaging should be sorted,
taken to the local recycling centre and
disposed of in an environmentally safe way
.
Scope of product
This product is suited for home, camping and caravan
applications. It will allow you to power outdoor lights, power
tools and recharges your car battery.
Note: For sensitive equipment like computers,
sound systems, televisions, microwaves etc.,
it is highly recommended to have a surge
protector connected to the generator.
Description of symbols
The rating plate on your tool may show symbols. These
represent important information about the product or
instructions on its use.
Wear eye protection.
Wear hearing protection.
Wear breathing protection.
Conforms to relevant standards for
electromagnetic compatibility.
Specifications
AC output: 240Vac ~ 50Hz
Rated power: 2000W
Peak power: 2300W (2.4Kva)
Phase: Single
Power factor: coso| =1
Displacement: 163cc
DC output: 12V, Maximum current 8A
Motor: 5.5HP, 4 stroke
No load speed: 3000 min
-1
Fuel tank capacity: 16L
Fuel type: Unleaded
Oil type: 4 Stroke
Operation noise level: 79.5dB/7m
Net weight: 42kg
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4
Safety instructions
WARNING. Read and understand all instructions.
Failure to follow all instructions listed below may result in
electric shock, fire and/or serious injury. The term “power
tool” in all of the warnings below refers to your mainsoperated (corded) power tool or battery-operated (cordless)
power tool.
Save these instructions
Work area
• Keep work area clean and well lit. Cluttered and dark
areas invite accidents.
• Do not operate power tools in explosive atmospheres,
such as in the presence of flammable liquids, gases,
or dust. Power tools create sparks which may ignite the
dust or fumes.
• Keep children and bystanders away while operating a
power tool. Distractions can cause you to lose control.
Electrical safety
• Power tool plugs must match the outlet. Never modify
the plug in any way. Do not use any adapter plugs with
earthed (grounded) power tools. Unmodified plugs and
matching outlets will reduce risk of electric shock.
• Avoid body contact with earthed or grounded
surfaces such as pipes, radiators, ranges and
refrigerators. There is an increased risk of electric shock
if your body is earthed or grounded.
• Do not expose power tools to rain or wet conditions.
Water entering a power tool will increase the risk of
electric shock.
• Do not abuse the cord. Never use the cord for carrying,
pulling or unplugging the power tool. Keep cord away
from heat, oil, sharp edges or moving parts. Damaged or
entangled cords increase the risk of electric shock.
• When operating a power tool outdoors, use an
outdoor extension cord suitable for outdoor use.
Use of a cord suitable for outdoor use reduces the risk of
electric shock.
Personal safety
• Stay alert, watch what you are doing and use
common sense when operating a power tool.
Do not use a power tool while you are tired or under the
influence of drugs, alcohol, or medication. A moment
of inattention while operating power tools may result in
serious personal injury.
• Use safety equipment. Always wear eye protection.
Safety equipment such as a dust mask, non-skid
safety shoes, hard hat, or hearing protection used for
appropriate conditions will reduce personal injuries.
• Avoid accidental starting. Ensure the switch is in the
off-position before plugging in. Carrying power tools with
your finger on the switch or plugging in power tools that
have the switch on invites accidents.
• Remove any adjusting key or wrench before turning
the tool on. A wrench or a key that is left attached to a
rotating part of the power tool may result in personal injury.
• Do not overreach. Keep proper footing and balance at
all times. This enables better control of the power tool in
unexpected situations.
• Dress properly. Do not wear loose clothing or jewellery.
Keep your hair, clothing and gloves away from moving
parts. Loose clothes, jewellery or long hair can be caught
in moving parts.
• If devices are provided for the connection of dust
extraction and collection facilities ensure that these
are connected and properly used. Use of these devices
can reduce dust-related hazards.
Power tool use and care
• Do not force the power tool. Use the correct power tool
for your application. The correct power tool will do the job
better and safer at the rate for which it was designed.
• Do not use the power tool if the switch does not turn
it on and off. Any power tool that cannot be controlled
with the switch is dangerous and must be repaired.
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5
• Disconnect the plug from the power source before
making any adjustments, changing accessories, or
storing power tools. Such preventive safety measures
reduce the risk of starting the power tool accidentally.
• Store idle power tools out of the reach of children and
do not allow persons unfamiliar with the power tool
or these instructions to operate the power tool. Power
tools are dangerous in the hands of untrained users.
• Maintain power tools. Check for misalignment or
binding of moving parts, breakage of parts and any other
condition that may affect the power tool’s operation. If
damaged, have the power tool repaired before use. Many
accidents are caused by poorly maintained power tools.
• Keep cutting tools sharp and clean. Properly
maintained cutting tools with sharp cutting edges are less
likely to bind and are easier to control.
• Use the power tool, accessories and tool bits etc.,
in accordance with these instructions and in the
manner intended for the particular type of power
tool, taking into account the working conditions
and the work to be performed. Use of the power tool
for operations different from intended could result in a
hazardous situation.
Service
• Have your power tool serviced by a qualified repair
personnel using only identical replacement parts.
This will ensure that the safety of the power tool is
maintained.
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Risk of electrocution and fire
Hazard What could happen How to prevent it
Improper storage of extension cord.
Extension cord can come into contact
with hot engine parts resulting in
damage. Using a damaged extension
cord can result in electrocution or
death.
Remove extension cord from the
generator and store separately away
from generator.
Operation of generator in rain, wet,
icy, or flooded conditions.
Water is an excellent conductor of
electricity! Water which comes in
contact with electrically charged
components can transmit electricity
to the frame and other surfaces,
resulting in electrical shock to anyone
contacting them.
Operate generator in a clean, dry, well
ventilated area. Make sure hands are
dry before touching unit.
Placing generator on or against
highly conductive surface, such as a
steel walkway or metal roof.
Accidental leakage of electrical current
could charge conductive surfaces in
contact with the generator.
Place generator on low conductivity
surface such as a concrete slab.
ALWAYS operate generator a
minimum of 2 meters from any
conductive surface.
Use of worn, damaged or
ungrounded extension cords.
Contact with worn or damaged
extension cords could result in
electrocution.
Use of ungrounded cordsets could
prevent operation of circuit breakers
and result in electrical shock.
Inspect extension cords before use and
replace with new cord if required.
Always use a cordset having a
grounding wire with an appropriate
grounding plug. DO NOT use an
ungrounded plug.
Operation of unit when damaged,
or with guards or panels removed.
Attempting to use the unit when it
has been damaged, or when it is not
functioning normally could result in fire
or electrocution.
Removal of guarding could expose
electrically charged components and
result in electrocution.
Do not operate generator with
mechanical or electrical problem.
Have unit repaired by an Authorised
Service Centre.
Do not operate generator with
protective guarding removed.
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Risk of fire
Hazard What could happen How to prevent it
Attempting to fill the fuel
tank while the engine is
running.
Fuel and fuel vapours can become ignited
by coming in contact with hot components
such as the muffler, engine exhaust gases,
or from an electrical spark.
Turn engine off and allow it to cool before
adding fuel to the tank. Equip area of
operation with a fire extinguisher certified
to handle gasoline or fuel fires.
Sparks, fire, hot objects
Cigarettes, sparks, fires, or other hot
objects can cause fuel or fuel vapours
to ignite.
Add fuel to tank in well ventilated area.
Make sure there are no sources of ignition
near the generator.
Improper storage of fuel
Improperly stored fuel could lead to
accidental ignition. Fuel improperly secured
could get into the hands of children or other
unqualified persons.
Store fuel in an approved container
designed to hold fuel. Store container in
secure location to prevent use by others.
Tampering with factory set
engine speed settings.
Engine speed has been factory set to
provide safe operation. Tampering with
the engine speed adjustment could result
in overheating of attachments and could
cause a fire.
Never attempt to “speed-up” the engine to
obtain more performance. Both the output
voltage and frequency will be thrown out
of standard by this practice, endangering
attachments and the user.
Inadequate ventilation
for generator
Materials placed against or near the
generator or operating the generator in
areas where the temperature exceeds
40°C. ambient (such as storage rooms
or garages) can interfere with its proper
ventilation features causing overheating
and possible ignition of the materials or
buildings.
Operate generator in a clean, dry,
well ventilated area.
DO NOT OPERATE UNIT INDOORS
OR IN ANY CONFINED AREA.
Overfilling the fuel tank
– fuel spillage.
Spilled fuel and its vapours can become
ignited from hot surfaces or sparks.
Use care in filling the tank to avoid spilling
fuel. Make sure fuel cap is secured tightly
and check engine for fuel leaks before
starting engine. Move generator away
from refuelling area or any spillage before
starting engine. Allow for fuel expansion.
Never refuel with the engine running.
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Risk of injury and property damage when transporting generator
Hazard What could happen How to prevent it
Fire, inhalation, damage
to vehicle surfaces
Fuel or oil can leak or spill and
could result in fire or breathing
hazard, serious injury or death
can result. Fuel or oil leaks can
damage carpet, paint or other
surfaces in vehicles or trailers.
The generator is equipped with a fuel drain valve,
turn the valve to the off position before transporting to
avoid fuel leaks. Transport fuel only in an approved fuel
container. Always place generator on a protective mat
when transporting to protect against damage to vehicle
from leaks. Remove generator from vehicle immediately
upon arrival at your destination.
Risk of breathing – inhalation hazard
Hazard What could happen How to prevent it
Gasoline engines
produce toxic carbon
monoxide exhaust
fumes.
Breathing exhaust fumes will
cause serious injury or death.
Operate generator in clean, dry, well ventilated area.
Never operate unit in enclosed areas such as garages,
basements, storage, sheds, or in any location occupied
by humans or animals. Keep children, pets and others
away from area of operating unit.
Risk of unsafe operation
Hazard What could happen How to prevent it
Operation of generator
in careless manner.
All sources of energy include
the potential for injury. Unsafe
operation or maintenance of your
generator could lead to serious
injury or death to you or others.
• Review and understand all of the operating
instructions and warnings in this manual.
• Become familiar with the operation and controls of
the generator. Know how to shut it off quickly.
• Equip area of operation with a fire extinguisher
certified to handle gasoline or fuel fires.
• Keep children or others away from the generator at
all times.
Operating generator
while suspended
Generator will not operate properly
and will cause damage to the
generator and could cause serious
injury or death to you or others.
Never operate generator while suspended or in an
unlevel position. Always operate generate on a flat, level
surface.
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Risk of hot surfaces
Hazard What could happen How to prevent it
Contact with hot engine and
generator components.
Contact with hot surfaces, such as
engines exhaust components, could
result in serious burns.
During operation, touch only the
control surfaces of the generator. Keep
children away from the generator at
all times. They may not be able to
recognize the hazards of this product.
Risk of moving parts
Hazard What could happen How to prevent it
Contact with moving parts can
result in serious injury.
The generator contains parts which
rotate at high speed during operation.
These parts are covered by guarding to
prevent injury.
Never operate generator with guarding
or cover plates removed. Avoid wearing
loose fitting clothing or jewellery which
could be caught by moving parts.
Risk from lifting
Hazard What could happen How to prevent it
Lifting a very heavy object.
Serious injury can result from
attempting to lift too heavy an object.
When lifting, always keep the object
you are lifting near the vertical axis of
your body. DO NOT use you back to
lift heavy loads. Both people should
crouch down, grab the underside
of unit and use your legs to carry
the weight. Keep the object as near
the centre of your body’s gravity as
possible. Avoid twisting your bodies
when carrying the unit; instead, turn
your whole body using your feet.
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Additional safety rules for generators
• Do not operate in a hazardous location. Such areas
include where there is a risk of explosion of petrol fumes,
leaking gas or explosive dust.
• Do not operate in a confined area. Exhaust gases,
smoke or fumes could reach dangerous concentrations.
• The output of this generator is potentially lethal.
The
generator should not be connected to a fixed electrical
installation except by an appropriately licensed person.
• Protect your generator. This generator is NOT
WEATHERPROOF and should not be exposed to direct
sunlight, high ambient temperature and damp, wet or
high humidity conditions.
• Do not smoke while refuelling. This is potentially
dangerous as it may ignite the fuel and cause an explosion.
• Take care not to spill fuel. When refuelling the generator
ensure that the motor has been switched off. Prevent the
spilling of fuel as this may also ignite with the hot motor.
Never refuel whilst the engine running.
• Be careful where you store the generator. Store the
generator in a dry area away from inflammable liquids.
• Keep your distance. The generator emits exhaust
fumes. As a safety precaution do not stand close to the
unit whilst it is in operation. Ensure bystanders also keep
their distance.
• Ground (earth) your generator. Ensure that the
generator has been ground by using an earth lead.
Simply connect one end of the Earth lead to the generator
where marked and the other end should be pressed into
the ground.
• Ensure the generator has oil. Before commencing
the generator, ensure that the unit has been filled with
SAE#30 4 stroke oil.
• Never fill fuel tank indoors. Never fill fuel tank when
engine is running or hot. Do not smoke when filling
fuel tank.
• Engine speed has been factory set to provide safe
operation. Tampering with the engine speed adjustment
could result in overheating of attachments and could
cause a fire. Never attempt to “speed-up” the engine to
obtain more performance. Both the output voltage and
frequency will be thrown out of standard by this practice,
endangering attachments and the user.
You MUST unplug any load from the generator before
starting and stopping to prevent permanent damage to
any appliances.
Unpacking
Due to modern mass production techniques, it is unlikely
that your GMC generator is faulty or that a part is missing.
If you find anything wrong, do not operate the tool until the
parts have been replaced or the fault has been rectified.
Failure to do so could result in serious personal injury.
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Know your product
1. Fuel tank
2. Fuel tank cap
3. Fuel level gauge
4. AC safety switch
5. DC reset button
6. Ground (earth) terminal
7. Oil filler cap
8. AC sockets
9. DC socket
10. Key start ignition
11. Oil drain
12. Tap extension
fuel filter
13. Air filter cover
14. Choke lever
15. Spark plug
16. Fuel drain
17. Muffler
18. Exhaust
19. DC plug
20. Fuel valve
21. Voltmeter
22. Battery
23. Recoil starter
1615
231
9
5
6
4
14
8
13
20
12
20
19
11
21
10
17
18
7
22
23
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Automatic voltage regulator (AVR)
This generator has been equipped with AVR technology
which provides automatic voltage regulated power for
continuous uninterrupted stable power supply.
The AVR maintains a regulated AC output and reacts
substantially quicker to rapid surges in voltage, therefore,
preventing the possibility of damage to the generator and
attached equipment.
Preparing the generator
It is important to check the generator before you commence
operating the unit.
IMPORTANT. Ensure that the engine has oil. When leaving
the factory, this generator has NO OIL in the engine.
Note. The engine will not start if the generator has no oil.
Checking the engine fuel
1. Switch off engine by turning the ignition switch (10) to
the ‘off’ position.
2. Check the fuel level by viewing the fuel level gauge (3).
3. If the fuel is low, remove the fuel cap (2) by turning
anticlockwise.
4. Check to ensure the fuel filter screen is inside the fuel
filter neck.
5. Pour the unleaded fuel from an approve fuel container
into the fuel tank (1). Because fuel expands, DO NOT
FILL to the lip of the tank.
6. Replace fuel cap (2) and turn clockwise to lock.
WARNING.
• Do not refill fuel tank (1) while engine is running or is hot.
• Check to ensure that the fuel drain (16) has been
tightened and that fuel is not leaking.
• Be careful not to admit dust, dirt, water or other foreign
objects into the fuel.
• Wipe off spilt fuel thoroughly before starting engine.
• Ensure you DO NOT fuel the generator in close proximity
to any open flames.
Checking the engine oil
The motor of this generator is not filled with oil.
Prior to starting the motor ensure the crank case is filled with
SAE #30 4 stroke oil.
Damage to the motor is not covered under warranty if the
motor is run without oil.
1. Before checking or refilling oil, be sure the generator is
put on a stable and level surface, ensuring the engine has
been switched OFF.
2. Remove the oil filler cap (7) by rotating the cap anticlockwise and inspect to see the oil level.
3. If the oil level is below the lower level line, refill with SAE
#30 4 stroke oil to the upper level line.
Note. Do not screw in the oil filler cap (7) when checking oil
level, simply insert and pull the cap straight out.
4. If the oil is contaminated
or has discoloured,
ensure you change the
oil. Refer to the ‘Engine oil
replacement’
section for instructions.
Note. This motor is fitted with
a low oil sensor. If the oil level
is too low the motor will stop
operating or the motor will not
start. It is advised to
check the oil level each time
the generator is used.
Connecting the battery
Note. Before using the key
start function of the generator
you must connect the battery to
the generator.
1. Firmly take hold of both
plugs and insert one into
the other until they ‘click’
into place (Fig. A).
Oil filler cap (oil gauge)
Lower level
Upper level
A
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Starting the engine with key start
WARNING. Before starting the motor, ensure you have filled
the crank case to the correct level with oil.
Note. The crank case is not filled with oil from the factory.
1. Before starting, ensure that no electrical apparatus has
been connected to the generator (Fig. B).
2.
Turn the fuel valve (20) clockwise to the ‘on’ position (Fig. C).
3. Move the choke lever (14) to the position towards the
rear of the generator (Fig. D). This is not necessary if the
engine is already warm.
4. Turn the key start ignition (10) clockwise to the ‘START’
position (Fig. E).
Note. When the motor is started for the very first time, it
may require a number of attempts to start until the fuel has
travelled from the tank to the motor.
5. Once you hear the motor
operating, release the key
to allow the position to
move from ‘START’ to ‘ON’
(Fig. F).
6. Push the choke lever (14)
back to the position towards
the front of the generator.
This position will switch the
choke ‘off’.
Starting the engine manually
Note. Follow steps 1 to 3 of the
‘Starting the engine with key start’ section.
4. Turn the key start ignition
(10) clockwise to the ‘ON’
(Fig. G).
5. Slowly pull the recoil starter
(23) until you feel it engage
and then pull it briskly.
6. Once you hear the motor
operating, push the choke
lever (14) back to the
position towards the front of the generator. This position
will switch the choke ‘off’.
Stopping the engine
1. Before stopping, ensure
that no electrical apparatus
is connected to the
generator.
2. Turn the key start ignition
(10) to the ‘OFF’ position
(Fig. H).
3. Turn the fuel lever anti
clockwise to the ‘off’ position.
CB
E
D
F
G
H
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Connecting apparatus to the generator
1. Start the engine. Allow the motor to run for a couple of
minutes to warm up prior to connecting any apparatus to
the generator.
2. For AC current, ensure the
safety switch (4) is turned
OFF first, then plug the
power cord into the AC
output socket (8) (Fig. I).
3. Switch the AC safety switch
(4) to the ‘ON’ position.
Note: ALWAYS use
three-pronged plugs for
AC apparatus.
CAUTION.
• Ensure the electric
apparatus is turned off
before plugging in.
• Check to ensure that the
total load is within the
generator rated output.
3. For DC current, plug into the
DC outlet socket (9)
(Fig. J). To charge your car battery, connect the DC
plug (19) which have alligator clips to the corresponding
terminals on your battery. The red lead goes to the positive
(+) terminal and the black lead goes to the negative (-)
terminal. This DC cord has been supplied with the unit.
Note. This usage is applicable for charging only 12V
batteries. Only use the DC plug (19) to charge lead acid
type batteries. DO NOT charge Nicad or any other type
of batteries.
Charging the battery
1. Disconnect the leads from the battery.
2. Fully loosen the battery fluid filler caps.
3. Fill the battery cells with distilled water to the upper limit if
the battery is empty.
4. Measure the specific gravity fluid by using a hydrometer
and calculate the charging time in accordance with the
table shown.
5. For a fully charged battery, the specific gravity range shall
be within 1.26 to 1.28. It is recommended to be checked
and confirmed every hour.
6. Connect the DC plug lead (19) into the DC socket (9) and
connect the alligator clips to the correct polarity.
Press the DC reset button (5) to reset in case the DC supply
had previously been overloaded.
The generator will charge batteries up to 600CCA capacity
provided the battery is in reasonable condition.
Batteries of larger capacity may charge but will depend on
the condition and also the level of charge in the battery.
In cases where the current exceeds the rating of the
generator, the circuit breaker on the DC side will open
circuit, and will need to be reset to continue.
I
J
1086420
1.06
1.30
1.26
1.22
1.18
1.14
1.10
1
2
3
Charging time (Hr)
Specific gravity (20C)
Battery : Battery capacity
: (30Ah)
: (35Ah)
: (47Ah)
1
3
2
Aim for specific gravity and charging time
Page 15
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WARNING.
• The battery gives off explosive gases; keep sparks,
flames and cigarettes away.
• Provide adequate ventilation when charging or using
batteries in an enclosed space.
• The battery contains sulphuric acid (electrolyte). Contact
with skin or eyes may cause severe burns. Wear
protective clothing and a face shield.
• If electrolyte gets on your skin, flush with water.
• If electrolyte gets in your eyes, flush with water for at
least 15 minutes and call a physician immediately.
• Electrolyte is poisonous. If swallowed, drink large
quantities of water or milk and follow with milk of
magnesia or vegetable oil and call a physician.
• To prevent the possibility of creating a spark near
the battery, connect charging cables first to the
battery, then to the generator. Disconnect cables
first at the generator.
Note. In most cases, operating the generator with both the
240Vac and the 12V DC at the same time, the DC Circuit
breaker may open circuit.
When charging batteries, only use the 12V DC outlet and
leave the plug removed from the 240Vac outlet.
WARNING. Prior to connecting any appliance to the
generator, check the rating label of the appliance. The
generator is rated at 2000W so if the appliance being
connected is higher than 2000W, the protective cut out on
the generator may operate to prevent over load damage to
the generator. The generator will withstand short operation
and spikes up to 2300W or the generator may stop.
Note. Motorised products will require more energy upon
start up and products which are rated below 2000W may not
start if the starting current is excessive.
It should also be very clearly understood that output
voltage fluctuations will occur when various loads are
connected and disconnected. It is NOT recommended
to connect any electronic equipment to the generator
without a voltage or surge protector. Computers,
televisions, and stereo equipment can be very sensitive
to the input supply and could be damaged if protective
equipment is not used in conjunction with this generator.
This also includes caravans where electronic equipment is
incorporated as part of the wiring.
AC safety switch
This generator has been equipped with an AC safety switch
(4), designed to protect people against an electric shock.
Safety switch tripping
If the safety switch (4) has tripped and cuts off the power, it
may be due to substantial overloading. Marginal overloading
may not switch off the safety switch (4), but it will shorten the
service life of the generator.
Be sure that all appliances are in good working order before
connecting them to the generator. If an appliance begins to
operate abnormally, becomes sluggish, or stops suddenly,
turn “OFF” both the AC safety switch (4) and the generator
engine switch (10) immediately. Then disconnect the
appliance and examine it for signs of malfunction.
Resetting the safety switch (4) should restore the power and
should be conducted as follows:
1. Unplug all electrical apparatus from the generator.
2. Let the safety switch (4) cool down.
3. Lift the safety switch (4) up to the “ON” position.
4. Commence to start your generator accordingly.
5. When re connecting appliances, reduce the load to that
which previously overloaded the generator.
If the safety switch (4) does not reset due to a faulty
electrical appliance or wiring, switch off and unplug
the appliance which may be faulty. Any faulty electrical
appliances will need to be repaired by a suitably qualified
person. If the safety switch does not reset after unplugging
the appliance, call a licensed electrician to find the fault.
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16
DC overload cut out
IMPORTANT. Exceeding the rated capacity of your
generator can result in serious damage to your generator
and connected apparatus.
1. The DC circuit has a circuit breaker to protect the
generator from over loading.
2. If the circuit breaker trips, unplug all electrical apparatus
from the generator.
3. Let the overload cut out switch cool down.
4. Press the DC reset button (5). Commence to start your
generator accordingly.
5. When re connecting appliances, reduce the load to that
which previously overloaded the generator.
Generator maintenance
Your generator should be kept clean and dry at all times.
The generator should not be stored or operated in
environments that includes excessive moisture, dust or any
corrosive vapours. If these substances are on the generator,
clean with a cloth or soft bristle brush. Do not use a garden
hose or anything with water pressure to clean the generator.
Water may enter the cooling air slots and could possibly
damage the rotor, stator and the internal windings of the
generator head.
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Periodic maintenance
Item Remarks
Pre-operation
check (daily)
Initial 1
months
or 20Hr
Every 3
months
or 50Hr
Every 6
months
or 100Hr
Every 12
months
or 300Hr
Spark plug
Check condition, adjust gap and
clean. Replace if necessary.
•
Engine oil
Check oil level. •
Replace. • •
Air filter
Clean. Replace if necessary.
•
Fuel filter
Clean fuel drain filter. Replace if
necessary.
•
Valve clearance
Check and adjust when engine
is cold.
•
Fuel line
Check fuel hose for crack or
damage. Replace if necessary.
•
Exhaust system
Check for leakage. Retighten or
replace gasket if necessary.
•
Check muffler screen. Clean/
replace if necessary.
•
Carburetor
Check choke operation.
•
Starting system
Check key start ignition operation.
•
Decarbonisation
More frequently if necessary.
•
Fittings/
fasteners
Check all fittings and fasteners
correct if necessary.
•
Regular maintenance is most important for the best performance and safe operation.
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Storage
If you are going to store your generator for more than 30
days, use the following information as a guide to prepare the
generator for storage.
Never store generator with fuel in the tank indoors or in
enclosed, poorly ventilated areas, where fumes can reach
an open flame, spark or pilot light as on a furnace, water
heater, clothes dryer or other gas appliances.
Spark plugs
1. Remove spark plug (15) from the generator with the
spark plug spanner socket supplied.
2. Remove carbon deposits using a wire brush.
3. Check for discoloration on the top of the spark plug.
The standard colour should be a tan colour.
4. Check the spark plug gap. The acceptable gap should be
between 0.7–0.8mm (Fig. K).
5. The recommended spark plugs are as follows:
BPR6ES (NGK)
RN9Y (Champion)
W20EPR-U (Denso)
WR6DC (Bosch)
Engine oil replacement
1. Place the generator on a level surface and warm up the
engine for several minutes. The stop the engine.
2. Remove oil filler cap (7).
3. Place an oil pan under the generator and commence
removing the oil drain cock (11) so that the oil can be
completely drained.
4. Check the oil drain cock (11), gasket, oil filler cap (7) and
O-ring. If damaged, have these replaced.
5. Reinstall the oil drain cock (11).
6. Add engine oil to the upper level. Recommended 4 stroke
engine oil is SAE #30.
CAUTION. Check that no foreign material, debris, dust
enters the crankcase.
Air filter
It is very important to maintain an air filter in proper
condition. Damage to the generator may arise if the
filter has:
• Improperly been serviced.
• Dirt and other foreign elements adhering to the filter
due to improper installation and engine wear.
ALWAYS keep the filter clean at all times.
1. Remove the air filter cover
(13) on the side of the
generator by lifting the 2
clips on both the top and
bottom of the air filter cover
(13) (Fig. L).
2. Remove the air filter
(Fig. M).
3. Wash the air filter in solvent
or kerosene and allow to dry.
4. Lubricate the filter using
motor oil (SAE #30).
5. Thoroughly squeeze the
filter removing excess oil.
6. Replace air filter back into
the engine.
7. Secure the cover back onto
the side panel of the generator.
IMPORTANT. Never run the engine without the air filter
element in place.
0.7–0.8mm (0.028”–0.031”)
K
L
M
Page 19
19
Petrol tank filter
1. Stop the engine.
2. Turn the fuel lever to the
‘off’ position.
3. The petrol tank filter is
located directly under
the petrol cap (2).
This protects impurities
entering the fuel tank
during refuelling.
4. Remove the filter (Fig. N) and wash thoroughly in a solvent.
5. Re-assemble.
Tap extension fuel filter
A small fuel filter has been fitted to the inlet side of the fuel
valve (20), inside the tank. This tap extension fuel filter (12)
prevents any dirt in the fuel from entering the fuel system.
The procedure for removing this filter in order to replace or
clean it is given below.
Note: the following procedure should be performed in
a well ventilated area, with no naked flames, sparks,
or cigarettes.
Safety glasses should also be worn and engine switch (10)
set to the OFF position.
1. Completely empty the tank of fuel. Ensure the fuel tap
(20) is in the OFF position
2. Compress the two wire arms
of the hose clamp on the
outlet hose at the tap (20)
and slide the clamp back
from the end of the hose
by approx. 25mm. Slide the
fuel hose off the outlet of
the tap (20) (Fig. O).
3. Loosen the lock nut locking
the tap (20) on to the tank
(Fig. P). Unscrew the tap
from the tank and withdraw
the tap from the tank. Be
careful not to lose the small
seal on the thread of the tap.
4. Unscrew the tap extension
fuel filter (12) (Fig. Q).
Note. This filter can be
cleaned in petrol to remove
any build-up of dirt on the
outside of the filter, or the
filter can be replaced. Do not
operate the generator without
this filter in place. To replace
the filter after cleaning, or
with a new filter, simply screw
the filter into the inlet side of
the tap.
5. Ensuring the small seal
is fitted to the tap thread,
screw the tap back into the
tank by a FULL 3–4 turns.
Orientate the tap so the
outlet of the tap is towards
the rear of the tank, and
the tap control is to the
right hand side of the tank.
Holding the tap firm, tighten
the lock nut, ensuring the
seal is clamped between
the lock nut and the tank
(Fig. R).
6. Refit the fuel hose to the
outlet of the tap and with the
wire arms compressed, slide
the hose clamp up onto the
connection of the hose and
the tap (Fig. S).
N
O
P
Q
R
S
Page 20
20
7. Refill the tank with fuel and ensure there are no leaks
between the tap and the tank, and with the fuel tap turned
on, ensure there are no leaks where the fuel hose is fitted
to the outlet of the tap.
Cleaning
1. Keep your machine clean. The outside of the machine
can be cleaned using a damp soft cloth with a mild
detergent if required. Never use water to clean the
generator as it may cause damage to internal parts.
2. Some maintenance products and solvents may damage
the plastic parts; these include products containing
benzene, trichloroethylene, chloride and ammonia.
3. Use a vacuum to clean air inlet and outlet louvres of
the alternator.
4. Take special care to keep the ventilation inlets/outlets free
from obstruction; cleaning with a soft brush followed by
a compressed air jet will usually be sufficient to ensure
acceptable internal cleanliness.
5. Wear eye protection when carrying out cleaning.
Repairs
Only an authorised service centre should repair
the generator.
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21
Troubleshooting
Trouble Possible cause Suggested remedy
Engine will not start
1. Low on fuel or oil content 1. Add fuel or oil
2. Ignition switch in “Off” position 2. Turn the ignition to the ‘START’ position
if using key start, or ‘ON’ position if
manually starting.
3. Faulty spark plug 3. Replace spark plug
4. Choke in wrong position 4. Adjust choke accordingly
5. Fuel shut-off valve in closed position 5. Open fuel shut-off valve
6. Unit loaded during start-up 6. Remove load from unit
7. Spark plug wire loose 7. Attach wire to spark plug
No electrical output
1. Faulty receptacle 1. Have service centre replace receptacle
2. Circuit breaker kicked out 2. Depress and reset
3. Worn Brushes 3. Have service centre replace brushes
4. Faulty power cord 4. Replace cord
Repeated circuit breaker
tripping
1. Overload 1. Reduce load
2. Faulty cords or equipment 2. Check for damaged, bare, or frayed
wires on equipment. Replace.
Generator overheating
1. Generator overloaded 1. Reduce load
2. Insufficient ventilation 2. Move to adequate supply of fresh air
Page 22
22
Page 23
23
Page 24
GMC customer assist
If your product needs repairing, replacing,
technical service or you simply need help or advice,
please contact us on our Customer Assist Line
1300 880 001 (Australia) or 0800 445 721 (New Zealand).
For prompt service we suggest you log your service request
online at www.gmcservice.com.au. Should you not have
access to the Internet, please contact our service department
on 1300 880 001 (Australia) or 0800 445 721 (New Zealand).
7am –7pm, 7days a week (AEST).
Please note that if repair or replacement is required,
you must provide a valid original purchase receipt.
You will need the following details at hand to log your service request;
Personal details: First & Last name, address, pick up address,
contact phone numbers, email address
Product details: Product number, date of purchase, retailer bought from,
State & postcode, receipt number,
reason for the request,
c
opy of official purchase receipt
Attach your purchase receipt and save with this Manual for future reference
.
Please refer to our website www.gmcompany.com for full GMC warranty Terms and Conditions.
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