Cobra IG20SI User Manual

INVERTER GENERATOR

USER MANUAL

Model：IG20SI

4-Stroke Engine

Thank you for purchasing a Cobra Inverter Generator

● 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.

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

Hourm eter

04

06

07

08
08
09

10

10

11

12

13

15

17

18

19

20

20

22

22

23

25

26

28

30

31

32

33

33

34
36

1.SAFETY INFORMATION

To ensure personal and property safety, please
carefully read the following information.

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.

• 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

• 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

<<04>>

SAFETY LABEL:

<<05>>

2. SAFETY LABLE LOCATIONS

<<06>>

3. C IDENTIFICATIONOMPONENTS

CHOKE
KNOB

STARTER GRI P

FUEL SWIT CH

FUEL CAP
VENT LEVE R

FUEL C AP

CONTROL
PANE L

SPAR K P LUG
MAINTENA NCE
COV ER

AIR CLE ANE R
MAINTENA NCE COVER

MUFFLER

ECON. SW

ENGINE SWI TCH

<<07>>

3.1) Control Panel

2

1

Hourmeter
AC Receptacle

2

3

Ground Terminal

4

DC Receptac le

5

DC Circuit Protector

Engine Swit ch

6

7

ECON. SW

8

Fuel Switc h

3.2) ECON. SW (Economy control switch):

“ON”( )

8

7

6

5

3

4

• 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.

● The “ON”( ) is recommen ded to minimize the fuel

ECON. SW

ONOFF

<<08>>

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.

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

• No button in 10S, the backlight shut off.

“OFF” ( )
When the econ omy control switch turns to th e “OFF”
( ) position en gine runs at high s peed.

3.3) Hourmeter

• Under the condition of protection, the overload
indicator
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)

light(red) is on, the "RESET" button can

RESET

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.

DISP

backlight

<<09>>

4. PRE- OPERATION CHECK

WARNING

Be sure the gen erator is on the le veled surfa ce and
the generat or is stopped.

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:

Remove the oil filler cap, fill the specified amount of

t

he 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.

OIL FILLER
CAP

UPPER LEVE L

OIL FILLER H OLE

OIL POT

Oil Cap acity:0.41L

15W -40

10W -40

10W -30

5W- 30

-30 -20 -10 0 10 20 3 0

-20

20 40 60 8 0

0

40℃

100 F

NOTE
Carefully u se and store the en gine oil, avo id
getting dir t or dust into the en gine oil.

Mixing diff erent kinds of engine oil is pro hibited.

<<10>>

NOTE

• Before the engine oil reduces below the safety
margin, low oil alert system will close the engine
automatically. The oil alert

indicator light red

will be on.

• To avoid the inconvenience caused by

unexpected stopping,

it is still advisable to

check the engine oil level regularly.

FUEL CAP

WARNING

OPEN

UPPER LIMI T MAR K

Fuel C apaci ty: 3.6 L

4.2) Check Fuel Level

Fuel recommend: use unleaded Petrol
(Research O ctane Number of 9 1 or higher, Pump
Octane Number of 86 or higher)
Never use stale or contaminated Petrol or an oil/
Petrol mixture,
Avoid getting dirt or water into the fuel tank.
Do not use a mixture Petrol containing ethanol or
methanol; otherwise, it will seriously damage the
engine.

• Petrol is extremely explosive and flammable.

• Around the refueling area and fuel storage

area, prohibit smoking and firing.

• Do not overfill the fuel tank (no fuel above the
red upper limit mark). After refueling, make sure
the fuel cap is closed properly and securely.

• Do not make fuel spill from fuel tank. (No
residual fuel around the neck of tank, before
starting engine)

• Avoid contacting with skin or breathing the fuel
vapor.

• KEEP OUT OF REACH OF CHILDREN.

<<11>>

4.3) Check Air Cleaner

Check the air c leaner element to be sure it is cl ean

and in good con dition.
a.Loosen th ree screws of the a ir cleaner

maintenan ce cover, and re move the cove r.

COVER SCREW

COVER SCREW

COVER SCREW

AIR CL EANE R
MAI NTENA NCE COVER

b. Loosen the ai r cleaner cover s crew, and re move

the cover

AIR CLEANER ELEMENT

AIR CLEANER
COVER

c. Check the element, clean or replace it,if necessary.

NOTE
Do not run engine without the air cleaner element.

Operating the generator without the filter will damage
the engine.

<<12>>