Cobra IG20SI User manual

4-Stroke Engine
INVERTER GENERATOR
USER MANUAL
Model：IG20SI

●Cobra reserves the right of modification of product and revision of the manual without any notice.
●Take this manual as a part of the generator. If the generator is resold, it is required to take the manual along
with the generator.
●This manual contains how to correctly operate the generator, please read carefully before using the generator.
Correct and safe operation will guarantee your safety and extend the working life of generator.
●Cobra will continuously innovate and develop its products both in design and quality. The content of this
manual may have minor difference from the updated product. Please contact your supplier for further support.
Thank you for purchasing a Cobra Inverter Generator
IMPORTANT SAFETY NOTICE:
The emission of engines contains poisonous carbon monoxide. Use the generator
only outdoors and away from people.
NEVER use petrol powered equipment in a home, garage, tent, camper-van,
caravan, motor-home or boat. Even if doors, windows or vents are open. Only use
outdoors, well away from doors, widows and openings. Prevent inhaling exhaust
fumes.

CONTENT
22
22
23
25
26
28
30
31
32
33
04
06
08
08
09
10
10
11
12
13
15
17
18
19
20
20
07
33
34
36
Hourmeter

1.SAFETY INFORMATION
•Read and understand the user manual before
using the generator.
•The emission of engine contains poisonous
carbon monoxide. Use the generator in the
ventilated condition.
•Do not touch the hot muffler, when the generator
is running, or before cooling.
•Petrol is explosive and flammable in the
specified conditions when refueling, the
generator needs to be stopped and be kept
cigarette and fire source away.
•Do not connect to the building’s electrical system
or other generator, in order to avoid the electric
shocks and fires.
•The running generator must keep one meter
To ensure personal and property safety, please
carefully read the following information.
<<04>>
WARNING
distance with constructions and other
electrical appliances at least.
•Place the generator on the leveled surface, in
order to avoid overturning or spilling fuel.
•Children and pets should be keep away the
operation area.
•Do not operate with wet hand.
•Do not expose the generator to rain, moisture
or snow.
•Place the generator at least 1 m away from
buildings or other equipments during
operation.
•The major repair work should be carried out
only by professionally trained person.
•Do not use the generator in underground
working
•Do not use the generator in potentially
explosive atmospheres
•Use personal protective equipment: glove,
mask, earplugs, when you operate or maintain
the generator

<<05>>
SAFETY LABEL:

<<06>>
2. SAFETY LABLE LOCATIONS

<<07>>
CHOKE
KNOB
FUEL CAP
VENT LEVER
FUEL CAP
AIR CLEANER
MAINTENANCE COVER
STARTER GRIP
CONTROL
PANEL
SPARK PLUG
MAINTENANCE
COVER MUFFLER
3. C IDENTIFICATIONOMPONENTS
FUEL SWITCH
ENGINE SWITCH
ECON. SW

3.1) Control Panel
<<08>>
3.2) ECON. SW (Economy control switch):
“ON”()
•When the economy control switch is turned to
“ON”( ),the engine keeps running at idle state
automatically when the electrical appliance is
disconnected,and it will return to the proper speed
with the requirement of electrical load.
ONOFF
ECON. SW
DC Circuit Protector
DC Receptacle
Ground Terminal
AC Receptacle
Hourmeter
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
Engine Switch
Fuel Switch
ECON. SW
●The “ON”( ) is recommended to minimize the fuel

•Under the condition of protection, the overload
indicator light(red) is on, the "RESET" button can
recover the output of the generator, and
unnecessary to restart engine overall.
•Press and hold the “RESET” button for one second,
until the overload indicator light (red)
<<09>>
NOTE
•When a high load electrical appliance is
connected instantaneously, in order to reduce
voltage change, turn the economy control switch
to the“OFF”( )position.
•In DC operation, turn the economy control switch
to the “OFF”( )position.
•Connect both AC load and DC load, turn the
economy control switch to the “OFF”( ) position.
NOTE
•For protection condition, the output indicator
light (green) is off, and the overload indicator
light (red) is on.
•Every starting the engine the "RESET" button is
available within 5 times. Otherwise, you need
restart the engine.
“OFF” ( )
When the economy control switch turns to the “OFF”
( ) position engine runs at high speed.
will be off, and output indicator light (green)
will be on.
•Under the non-overloading condition, the
"RESET" is supposed to be ineffective.
•Press DISP; then lighten the backlight.
•Display voltage/frequency, engine speed,
cumulative working time in turn.
NOTE
3.3) Hourmeter
•No button in 10S, the backlight shut off.
RESET DISP
backlight

4. PRE- OPERATION CHECK
WARNING
Be sure the generator is on the leveled surface and
the generator is stopped.
Remove the oil filler cap, fill the specified amount of
the recommended oil and then tighten the oil filler
cap .
NOTE
•Do not tilt the generator when adding engine
oil. This could result in overfilling and
damage to the engine.
4.1) Check Oil Level
NOTE
•Using non-detergent or 2-stroke oil could
shorten the engine’s working life.
•Using the high quality engine oil with strong
detergents
•Using 4-stroke engine oil, certified to meet or
exceed API standards: SG, SF ,SAE stickiness
rating:
-30 -20 -10 0 10 20 30 40℃
15W-40
10W-40
10W-30
5W-30
-20 020 40 60 80 100F
NOTE
Carefully use and store the engine oil, avoid
getting dirt or dust into the engine oil.
Mixing different kinds of engine oil is prohibited.
<<10>>
OIL FILLER
CAP
OIL FILLER HOLE
UPPER LEVEL
OIL POT
Oil Capacity:0.41L