Subaru EC01 User guide

FOREWORD

Thank you very much for purchasing a ROBIN ENGINE.

Your ROBIN ENGINE can supply the power to operate various sorts of machines and

equipment.

Please take a moment to familiarize yourself with the proper operation and maintenance

procedures in order to maximize the safe and efficient use of this product.

Keep this owner’s manual at hand, so that you can refer to it at any time.

Due to constant efforts to improve our products, certain procedures and specifications are

subject to change without notice.

When ordering spare parts, always give us the MODEL, PRODUCTION NUMBER and SERIAL

NUMBER of your engine.

Please fill in the following blanks after checking the production number on your engine.

(Location of label is different depending on the engine specification.)

JP

US

PROD NO.

PROD No. / SER No.
(

)

Label

SER No.
(

Stamping

)

SER NO.

NOTICE

The engines which have emission label are allowed to be exported to USA.
The emission label placed on the engine indicates that the engine is complied with
EPA (Environmental Protection Agency) and CARB (California Air Resources Board)
emission regulations in USA. Exporting any engine to USA which does not have the
emission label is a violation of EPA/CARB emission law subject to civil penalty.

GB

FR

FR

NL

ES

IT

PT

GR

NO

SE

FI

DK

RU

AR

CONTENTS

1. SAFETY PRECAUTIONS… . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2. COMPONENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3. PRE-OPERATION CHECKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4. OPERATING YOUR ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

5. MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

6. PREPARATIONS FOR STORAGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

7. OIL SENSOR INSTRUCTIONS (OPTIONAL) . . . . . . . . . . . . . . . . . . . . . . . . . . 8

8. EASY TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

9. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

NOTE

Please refer to the illustrations on the back page of the front cover or back cover

1

for Fig.

1

to 88indicated in the sentence.

1

1. SAFETY PRECAUTIONS

Please make sure you review each precaution carefully.

Pay special attention to statement preceded by the following words.

JP

US

GB

DE

FR

NL

ES

IT

PT

GR

NO

SE

FI

DK

RU

AR

WARNING

“WARNING” indicates a strong possibility of severe personal injury or loss
of life if instructions are not followed.

CAUTION

“CAUTION” indicates a possibility of personal injury or equipment damage
if instructions are not followed.

WARNING

■■

Never inhale exhaust gasses.
They contain carbon monoxide, a colorless, odorless and extremely
dangerous gas which can cause unconsciousness or death.

■

■

Never operate the engine indoors or in a poorly ventilated area, such as
tunnel, cave, etc.

■

■

Exercise extreme care when operating the engine near people or
animals.

■

■

Keep the exhaust pipe free of foreign objects.

WARNING

■■

Gasoline is extremely flammable and its vapors can explode if ignited.

■■

Do not refuel indoors or in a poorly ventilated area.

■

■

Be sure to stop the engine prior to refueling.

■

■

Do not remove fuel tank cap nor fill fuel tank while engine is hot or running.
Allow engine to cool at least 2 minutes before refueling.

■

■

Do not overfill the fuel tank.

■

■

If fuel is spilt, wipe it away carefully and wait until the fuel has dried
before starting the engine.

: EXHAUST PRECAUTIONS

: REFUELING PRECAUTIONS

■

■

After refueling, make sure that the fuel cap is secured to prevent spillage.

WARNING

■■

Do not operate the engine while smoking or near an open flame.

■

■

Do not use around dry brush, twigs, cloth rags, or other flammable

: FIRE PREVENTION

materials.

■

■

Keep cooling air intake (recoil starter area) and muffler side of the engine
at least 1 meter (3 feet) away from buildings, obstructions and other
burnable objects.

■

■

Keep the engine away from flammables and other hazardous materials
(trash, rags, lubricants, explosives).

2

1m

1m

WARNING

■■

Place the protective covers over the rotating parts.

: OTHER SAFETY PRECAUTIONS

If rotating parts such as the drive shaft, pulley, belt, etc. are left exposed,
they are potentially hazardous. To prevent injury, equip them with
protective covers or shrouds.

■

■

Be careful of hot parts.

The muffler and other engine parts become very hot while the engine is
running or just after it has stopped. Operate the engine in a safe area
and keep children away from the running engine.

■

■

Do not touch the spark plug and ignition cable when starting and
operating the engine.

■

■

Never make adjustments on the machinery while it is connected to the
engine, without first removing the ignition cable from the spark plug.
Turning the crankshaft by hand during adjusting or cleaning might start
the engine, and cause serious injury to the operator.

■

■

Operate the engine on a stable, level surface.
If the engine is tilted, fuel spillage may result.

NOTE

Operating the engine at a steep incline may cause seizure due to improper
lubrication even with a maximum oil level.

JP

US

GB

FR

FR

NL

ES

IT

PT

■■

Do not transport the engine with fuel in tank or with fuel strainer cock
open.

■

■

Do not move the engine while in operation when it has been removed
from the equipment.

■

■

Keep the unit dry (do not operate it in rainy conditions).

CAUTION

■■

Carefully check fuel hoses and joints for looseness and fuel leakage.

: PRE-OPERATION CHECKS

Leaked fuel creates a potentially dangerous situation.

■

■

Check bolts and nuts for looseness. A loose bolt or nut may cause
serious engine trouble.

■

■

Check the engine oil and refill if necessary.

■

■

Check the fuel level and refill if necessary.
Take care not to overfill the tank.

■

■

Keep cylinder fins and recoil starter free of dirt, grass and other debris.

■

■

Wear snug fitting working clothes when operating the engine.
Loose aprons, towels, belt, etc., may be caught in the engine or drive
train, causing a dangerous situation.

GR

NO

SE

FI

DK

RU

AR

3

SYMBOLS

Read the owner's manual.

Stay clear of the hot surface.

Exhaust gas is poisonous.
Do not operate in an unventilated area.

JP

US

GB

DE

FR

NL

ES

IT

PT

GR

NO

SE

FI

DK

RU

2. COMPONENTS

AR

(See Fig.

1

1

)

Stop the engine before refueling.

Fire, open flame and smoking prohibited.

On (Run)

Off (Stop)

Engine oil

Add oil

Plus ; Positive polarity

Battery

Engine start (Electric start)

Engine stop

NOTE

q SPEED CONTROL LEVER
w STARTER HANDLE
e AIR CLEANER
r FUEL COCK
t CHOKE LEVER
y FUEL TANK
u FUEL TANK CAP (FUEL FILLER)
i STOP SWITCH
o RECOIL STARTER
!0 CARBURETOR

Please refer to the illustrations on the back page of the front cover or back cover

1

1

for Fig.

to 88indicated in the sentence.

4

!1 P.T.O. SHAFT
!2 OIL GAUGE (OIL FILLER)
!3 OIL DRAIN PLUG
!4 ENGINE SERIAL NO. (STAMPING)
!5 ENGINE NAME LABEL (SPEC. NO.)
!6 EXHAUST OUTLET
!7 MUFFLER COVER
!8 SPARK PLUG

3. PRE-OPERATION CHECKS 4. OPERATING YOUR ENGINE

4

4

)

(See Fig. 5-w)

toward w(low speed) position

and allow the engine to run at low speed

""

(OFF).

(See Fig. 6-w)

(See Fig. 6-e)

to

6-q)

NOTE

Engine shipped from our factory is without oil.
Before starting engine, fill with oil. Do not over-fill.

2

1. CHECK ENGINE OIL (See Fig.

Before checking or refilling engine oil, be sure the
engine is located on stable, level surface and
stopped.

■

■

Do not screw the oil gauge into the oil filler
neck to check oil level. If the oil level is low,
refill to the upper level with the following
recommended oil.

■

■

Use 4-stroke automotive detergent oil of API
service class SE or higher grade.
(SG, SH or SJ is recommended)

■

■

Select the viscosity based on the air temperature
at the time of operation as shown in the table.
(See Fig. 2-q)

2

)

Oil capacity : 0.3 liter

2

Explanation of Fig.

q OIL GAUGE
w UPPER LEVEL
e LOWER LEVEL

2. CHECK FUEL (See Fig.

2-ww

3

3

)

WARNING

Do not refuel while smoking, near an open
flame or other such potential fire hazards.
Otherwise fire accident may occur.

■■

Stop the engine and open the cap.

■

■

Use unleaded automotive gasoline only.

Fuel Tank Capacity : 1.5 liter

■

■

Close the fuel cock before filling the fuel tank.

■

■

Do not fill above the top of the fuel filter screen
(marked w), or the fuel may overflow when it
heats up later and expands.

■

■

When filling the fuel tank, always use the fuel
filter screen.

■

■

Wipe off any spilled fuel before starting the
engine.

(See Fig.

1. STARTING

(1) Open the fuel cock. (See Fig. 4-q)

(2)

Turn the STOP SWITCH to the position " " (ON).
(See Fig. 4-w)

(3) Close the choke lever. (See Fig. 4-e)

■■

If the engine is cold or the ambient
temperature is low, close the choke lever fully.

■

■

If the engine is warm or the ambient temperature
is high, open the choke lever half-way, or keep
it fully open.

(4) Pull the starter handle slowly until resistance is

felt. This is the “compression” point. Return the
handle to its original position and pull swiftly. Do
not pull out the rope all the way. After starting
the engine, allow the starter handle to return to
its original position while still holding the handle.
(See Fig. 4-r)

(5) After starting the engine, gradually open choke

by turning the choke lever and finally keep it fully
opened. Do not fully open the choke lever
immediately when the engine is cold or the
ambient temperature is low, because the engine
may stop. (See Fig. 4-t)

2. RUNNING

(1)

After the engine starts, set the speed control lever
at w(low speed) position and warm it up without
load for a few minutes. (See Fig. 5-q)

Gradually move the speed control lever toward

(2)

e(

high speed) position and set it at the required

engine speed.

■

■

Whenever high speed operation is not required,
slow the engine down (idle) by moving the speed
control lever
save fuel and extend engine life.

3. STOPPING

(1) Set the speed control lever at w(low speed)

position
for 1 or 2 minutes before stopping. (See Fig.

Turn the STOP SWITCH counterclock-wise to the

(2)

position

Close the fuel cock.

(3)

JP

US

GB

FR

FR

NL

ES

IT

PT

GR

NO

SE

FI

DK

RU

AR

(4) Pull the starter handle slowly and return the

handle to its original position when resistance is
felt. This operation is necessary to prevent
outside moist air from intruding into the
combustion chamber. (See Fig. 6-r)

5

※※

STOPPING ENGINE WITH THE FUEL COCK

Close the fuel cock and wait for a while until the
engine stops.
Avoid to let the fuel remain in the carburator over
long periods, or the passages of the carburator may
become clogged with impurities, and malfunctions
may result.

3. INSPECTING THE SPARK PLUG

7

(See FIG.

(1) Clean off carbon deposits on the spark plug

electrode using a plug cleaner or wire brush.

(2) Check electrode gap. The gap should be

0.6 mm to 0.7 mm. Adjust the gap, if necessary,
by carefully bending the side electrode.

7-ww

)

5. MAINTENANCE

7

7

(See Fig.

1. DAILY INSPECTION (SEE FIG.

Before running the engine, check the following

JP

service items.

US

GB

DE

FR

NL

ES

IT

PT

GR

NO

SE

FI

DK

RU

AR

q LOOSE OR BROKEN BOLTS AND NUTS
w CLEAN AIR CLEANER ELEMENT
e ENOUGH CLEAN ENGINE OIL
r LEAKAGE OF GASOLINE AND ENGINE OIL
t ENOUGH GASOLINE
y SAFE SURROUNDINGS
u EXCESSIVE VIBRATION, NOISE

2. PERIODIC INSPECTION

Periodic maintenance is vital to the safe and
efficient operation of your engine.
Check the table below for periodic maintenance
intervals.
Should the engine 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.

)

7-qq

7

Recommended Spark Plug

)

4. ENGINE OIL CHANGE

7

(See FIG.

Initial oil change : After 20 hours of operation
Thereafter : Every 100 hours of operation

(1) When changing oil, stop the engine and loosen

the drain plug. Drain the used oil while the
engine is warm. Warm oil drains quickly and
completely.

7-ee,rr

)

: NGK : BMR4A

(CHAMPION : RCJ14)

CAUTION

To prevent injury, pay attention to the hot oil.

(2) Re-install the drain plug before refilling oil.

Oil capacity : 0.3 liter

(3) Refer to page 5 for the recommended oil.

■

■

Always use the best grade and clean oil.
Contaminated oil, poor quality oil and shortage
of oil cause damage to engine or shorten the
engine life.

Maintenance Items

Clean engine and check bolts and nuts

Check and refill engine oil

Change engine oil

Clean spark plug

Clean air cleaner

Replace air cleaner element

Clean fuel strainer

Clean and adjust spark plug and electrodes

Check and adjust valve clearance

Remove carbon from cylinder head

Clean and adjust carburetor

Overhaul engine if necessary

6

Every

8 hours

(Daily)

(Daily)

(Refill daily up to upper level)

(Initial 20 hours)

Every

50hours

(Weekly)

(Every 100 hours)

Every
200hours
(Monthly)

Every

500

hours

Every

1000

hours

5. CLEANING FUEL STRAINER

7

(See Fig.

7-tt

)

7. FUEL HOSE REPLACEMENT

7

(See Fig.

7-ii

)

WARNING

(1) Drain the fuel from the tank.

(2) Close the fuel cock and remove the fuel strainer.

(See Fig. 7-t-q)

(3) After removing dirt and water, wash the fuel

strainer with kerosene or gasoline.

(4) Reinstall securely to prevent leakage.

Flame Prohibited

6. CLEANING AIR CLEANER

7

(See Fig.

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.

WARNING

A. Urethane Foam Element Type (See Fig. 7-y)

Remove the element and wash it in kerosene or
diesel fuel. Then saturate it in a mixture of 3
parts kerosene or diesel fuel and 1 part engine
oil. Squeeze the element to remove the mixture
and install it in the air cleaner.
(See Fig. 7-y-q)

B. Dual Element Type (Urethane Foam and

Nonwoven Cloth elements) (See Fig. 7-u)

■

■

Remove the urethane foam from the
nonwoven cloth element and clean it in the
same way as described A. (See Fig. 7-u-q)

■

■

Wash the element in kerosene and drain off
the kerosene. Then saturate it in a mixture of
3 parts kerosene and 1 part engine oil, wring
the element to remove the mixture and install.
(See Fig. 7-u-w)

NOTE

Clean and replace air cleaner elements more
often when operating in dusty environments.
Replace the element in case that dirt or dust can
not be removed and/or that the element is
deformed or deteriorated.

7-yy,uu

)

Flame Prohibited

WARNING

Take extreme caution when replacing fuel
hose ; gasoline is extremely flammable.

Replace the fuel hose every 2 years.
If fuel leaks from fuel hose, replace the fuel hose
immediately.

8. CHECKING BOLTS, NUTS AND SCREWS

■■

Retighten loose bolts and nuts.

■■

Check for fuel and oil leaks.

■■

Replace damaged parts with new ones.

6. PREPARATIONS FOR STORAGE

8

1. DISCHARGE FUEL (See Fig.

WARNING

If you do not use the engine more than 1 month,
discharge fuel to prevent gum in the fuel system
and carburetor parts.

■

■

Remove the fuel pipe, place the strainer over
a container and open the strainer cock to
discharge fuel from the fuel tank.

■■

Remove the carburetor float chamber bolt
from the bottom and discharge fuel from the
carburetor.

Flame Prohibited

2. ENGINE OIL

■■

Change the engine oil with fresh oil.

■

■

Remove the spark plug, pour about 5 cc of
engine oil into the cylinder, slowly pull the
starter handle of the recoil starter 2 or 3 times,
and reinstall the spark plug.

3. CLEAN AND STORE

■■

Slowly pull the recoil starter handle until
resistance is felt and leave it in that position.

■

■

Clean the engine thoroughly with an oiled
cloth, put the cover on, and store the engine
indoors in a well ventilated, low humidity area.

8

)

JP

US

GB

FR

FR

NL

ES

IT

PT

GR

NO

SE

FI

DK

RU

AR

7

(OPTIONAL)

1. FUNCTION OF OIL SENSOR

The engine will stop automatically when the oil
level falls below the safety limit. The engine
cannot be started unless the level is raised
above the prescribed limit. (See Fig. 2-w)

8. EASY TROUBLESHOOTING7. OIL SENSOR INSTRUCTIONS

WHEN ENGINE WILL NOT START :

Perform the following checks before you take the
engine to your Robin dealer. If you still have
trouble after completing the checks, take the
engine to your nearest Robin dealer.

1. Is there a strong spark across the
electrode ?

2. RESTARTING

(1) Fill the crankcase with oil up to the proper

level.

JP

(2) As for restarting and operating the engine,

US

GB

DE

FR

NL

ES

IT

PT

GR

NO

SE

FI

DK

RU

AR

refer to section "4. OPERATING YOUR
ENGINE" on page 5 .

■

■

Check the wire connector from the engine.
It must be connected securely to the wire
from oil sensor.

■

■

When selecting the engine oil, refer to page 5
for the recommended oil.

(1) Is the stop switch at position " " (ON)?

(2) Remove and inspect the spark plug.

If the electrode is fouled, clean or replace it
with new one.

(3) Remove the spark plug and connect it to the

plug cap.
Pull the starter handle while grounding spark
plug against engine body. Try with a new spark
plug if the spark is weak or there is no spark.
The ignition system is faulty if there is no
spark with a new spark plug.

WARNING

■■

Wipe out spilled fuel carefully before
testing. Place spark plug as far away
from spark plug hole as possible.

■

■

Do not hold spark plug by hand while
pulling recoil starter.

NOTE

The engine with oil sensor will stop automatically
when the oil level falls below the prescribed limit.
Unless the oil level is raised above the prescribed
limit, the engine will stop immediately after starting.

2. Is there enough compression?

Pull the starter handle slowly and check if
resistance is felt. If little force is required to pull the
starter handle, check if the spark plug is tightened
firmly. If the spark plug is loose, tighten it.

3. Is the spark plug wet with gasoline?

(1) Is the fuel cock opened?

(2) Choke (close choke lever) and pull the starter

handle five or six times. Remove the plug and
check if its electrode is wet. If the electrode is
wet, fuel is well supplied to your engine.

When the electrode is dry, check where the fuel

(3)

stops. (Check the fuel intake of the carburetor.)

(4) In case the engine does not start with well

supplied fuel, try using fresh fuel.

8

9. SPECIFICATIONS

MODEL

Type

Bore x Stroke 51 x 42

Piston displacement 86

Compression ratio 8.7

Maximum Output

Continuous Output

Maximum torque 4.9 / 3600

Direction of Rotation

Cooling system Forced air cooling

Valve arrangement Over Head Valve type

Lubrication Splashing type

Lubricant

Oil Capacity

Carburetor Horizontal draft,float type

Fuel

Fuel feed Gravity type

Fuel Tank Capacity

Method of ignition Flywheel magneto (solid state)

Spark Plug

Starting System

Governor Centrifugal flyweight type

Air Cleaner system Semi wet type

Dry Weight

Dimensions (L x W x H)

Specifications are subject to change without notice

mm

mL(cc)

kW / rpm

kW / rpm

N･m / rpm

liter

liter

kg

mm

Air-cooled,4-cycle,single-cylinder, horizontal shaft,OHV,gasoline engine

Counter clockwise as viewed from PTO shaft side

4-stroke automotive detergent oil - SAE; #20,#30 or 10W-30

API service class; SE or higher (SG, SH or SJ is recommended)

Automotive unleaded gasoline

NGK : BMR4A (CHAMPION : RCJ14)

EH09-2D

2.1 / 4200

1.5 / 3600

0.3

1.5

Recoil starter

9.9

249 x 299 x 380

JP

US

GB

FR

FR

NL

ES

IT

PT

GR

NO

SE

FI

DK

RU

9

AR