Subaru EH72-2D User manual

2ZZ9990192
ISSUE EMD-EU7149
PRINTED IN JAPAN
November 2010
OHV Gasoline Engines
EH72-2D
EH63D/64D/65D
Original
IT
RU
CN
(英・仏・西・独・蘭・伊・露・中)

AIR INDEX
Descriptive Term Applicable to Emissions Durability Period
Moderate - 50 hours (engine from 0 to 80 cc)
125 hours (engine greater than 80 cc)
Intermediate - 125 hours (engine from 0 to 80 cc)
250 hours (engine greater than 80 cc)
Extended - 300 hours (engine from 0 to 80 cc)
500 hours (engine greater than 80 cc)
1000 hours (225 cc and greater)
WARNING :
The engine exhaust from this product contains
chemicals known to the State of California to
cause cancer, birth defects or other reproductive
harm.
To show compliance with California emission regulations, a hangtag has been provided
displaying the Air Index level and durability period of this engine.
The Air Index level defines how clean an engine’s exhaust is over a period of time. A bar
graph scaled from “0” (most clean) to “10” (least clean) is used to show an engine’s Air Index
level. A lower Air Index level represents cleaner exhaust from an engine.
The period of time (in hours) that the Air Index level is measured is known as the durability
period. Depending on the size of the engine, a selection of time periods can be used to
measure the Air Index level (see below).
Notice : This hangtag must remain on this engine or piece of equipment, and only be
removed by the ultimate purchaser before operation.
Notice : FEDERAL EMISSION COMPONENT DEFECT WARRANTY and CALIFORNIA EMISSION CONTROL
WARRANTY are applicable to only those engines/ generators complied with EPA (Environmental
Protection Agency) and CARB (California Air Resources Board) emission regulations in the U.S.A.
Notice : To the engines/generators exported to and used in the countries other than the U.S.A., warranty service
shall be performed by the distributor in each country in accordance with the standard Robin engine/generator
warranty policy as applicable.
(California Proposition 65)
(California only)
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ENGLISH
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.
Due to constant efforts to improve our products, certain proce-
dures and specifications are subjected to change without
notice.
When ordering spare parts, always give us the MODEL,
SPECIFICATION and SERIAL NUMBER of your engine.
Please fill in the following blanks after checking the specifica-
tion number on your engine.
SPEC NO.
Engine serial No.
Engine
Emission
label
SERIAL NO.
E H
For your nearest ROBIN distributor (and/or dealer), you are able to
check at our ROBIN website of the following URL;
http://www.subaru-robin.jp
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CONTENTS
1. SAFETY PRECAUTIONS ・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 1
2. COMPONENTS ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 4
3. PRE-OPERATION CHECKS ・・・・・・・・・・・・・・・・・・・・・・・・・・ 5
4. BATTERY INSTALLATION ・・・・・・・・・・・・・・・・・・・・・・・・・・・ 7
5. OPERATING YOUR ENGINE ・・・・・・・・・・・・・・・・・・・・・・・・・ 9
6. EASY TROUBLESHOOTING ・・・・・・・・・・・・・・・・・・・・・・・・・
12
7. SPARK ARRESTER (OPTIONAL) ・・・・・・・・・・・・・・・・・・・・・
14
8. MAINTENANCE SCHEDULE ・・・・・・・・・・・・・・・・・・・・・・・・・
15
9. "HOW-TO" MAINTENANCE ・・・・・・・・・・・・・・・・・・・・・・・・・・
17
10. PREPARATIONS FOR STORAGE ・・・・・・・・・・・・・・・・・・・・
21
11. SPECIFICATIONS ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
22
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ENGLISH
SYMBOLS
USA and CANADA only
Read INSTRUCTIONS
FOR USE before use.
The engine emits
toxic gas can kill
you in minutes.
Do not run in an
enclosed area.
Hot surface can
burn you.
Stay away if engine
has been running.
Gasoline is extremely flammable and its vapors can explode.
• Stop the engine before refueling.
• Check for leakage from hoses and fittings.
• Shut off fuel valve when the engine is not in use.
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EXHAUST PRECAUTIONS
■Never inhale exhaust gas.
It contains carbon monoxide, a color-
less, odorless and extremely danger-
ous gas which can cause uncon-
sciousness or death.
■Never operate the engine indoors or
in a poorly ventilated area, such as
tunnel, cave, etc.
■Exercise extreme care when operat-
ing the engine near people or
animals.
■Keep the exhaust pipe free of foreign
objects.
1. SAFETY PRECAUTIONS
FIRE PREVENTION
■Do not operate while smoking or near
an open flame.
■Do not use around dry brush, twigs,
cloth rags, or other flammable materi-
als.
■Keep the engine at least 3 feet
(1 meter) away from buildings or
other structures.
■Keep the engine away from flamma-
bles and other hazardous materials
(trash, rags, lubricants, explosives).
REFUELING PRECAUTIONS
■Be sure to stop the engine prior to
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.
■After refueling, make sure that the
fuel cap is secured to prevent
spillage.
Please make sure you review each precaution carefully.
−1−
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ENGLISH
SURROUNDINGS
■Operate the engine on a stable, level
surface free of small rocks, loose
gravel, etc.
−2−
PROTECTIVE COVER
■Place the protective covers over
the rotating parts.
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.
■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 the machinery
with it, causing serious injury to the
operator.
■Never run the engine with governor
disconnected, or operate at speeds
in excess of 3600 rpm load.
NOTE
Operating the engine at a steep
incline may cause seizure due to
improper lubrication even with a
maximum oil level.
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PRE-OPERATION CHECKS .
■Carefully check fuel hoses and
connections for looseness and fuel
leakage. Leaking fuel creates a poten-
tially dangerous situation.
■Check bolts and nuts for looseness.
A loose bolt or nut may cause serious
engine trouble.
■Check the engine oil daily and refill if
necessary.
■Check the fuel level and refill if neces-
sary.
Do not overfill the tank.
■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.
PRECAUTIONS ON THE HANDLING OF THE WARNING LABEL
■ Warning labels are affixed to our engines with regard to particularly serious dangers.
When using the engines, please use them safely after carefully reading the
instruction manual and understanding the dangers.
−3−
■Drain the fuel when transporting
the engine.
■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).
ᵵᵟᵰᵬᵧᵬᵥ
ᵰᶃᵿᶂᴾᵧᵬᵱᵲᵰᵳᵡᵲᵧᵭᵬᵱ
ᵤᵭᵰᴾᵳᵱᵣᴾᶀᶃᶄᶍᶐᶃᴾᶓᶑᶃᵌ
ᵥᵿᶑᶍᶊᶇᶌᶃᴾᶇᶑᴾᶃᶖᶒᶐᶃᶋᶃᶊᶗ
ᶄᶊᵿᶋᶋᵿᶀᶊᶃᴾᵿᶌᶂᴾᶇᶒᶑᴾᶔᵿᶎᶍᶐᶑ
ᶁᵿᶌᴾᶃᶖᶎᶊᶍᶂᶃᵌ
Ὁᵱᶒᶍᶎᴾᶒᶆᶃᴾᶃᶌᶅᶇᶌᶃᴾᶀᶃᶄᶍᶐᶃ
ᴾᶐᶃᶄᶓᶃᶊᶇᶌᶅᵌ
Ὁ
ᵡᶆᶃᶁᶉᴾᶄᶍᶐᴾᶊᶃᵿᶉᵿᶅᶃẅᶄᶐᶍᶋ
ᴾᶆᶍᶑᶃᶑᴾᵿᶌᶂᴾᶄᶇᶒᶒᶇᶌᶅᶑᵌ
Ὁᵱᶆᶓᶒᴾᶍᶄᶄᴾ
ᶄᶓᶃᶊᴾᶔᵿᶊᶔᶃᴾᶕᶆᶃᶌ
ᴾᶒᶆᶃᴾᶃᶌᶅᶇᶌᶃᴾᶇᶑᴾᶌᶍᶒᴾᶇᶌᴾᶓᶑᶃᵌ
ᵲᶆᶃᴾᶃᶌᶅᶇᶌᶃᴾᶃᶋᶇᶒᶑᴾᶒᶍᶖᶇᶁᴾᶅᵿᶑ
ᶁᵿᶌᴾᶉᶇᶊᶊᴾᶗᶍᶓᴾᶇᶌᴾᶋᶇᶌᶓᶒᶃᶑᵌᴾᴾᵢᶍ
ᶌᶍᶒᴾᶐᶓᶌᴾᶇᶌᴾᵿᶌᴾᶃᶌᶁᶊᶍᶑᶃᶂᴾᵿᶐᶃᵿᵌ
ᵦᶍᶒᴾᶑᶓᶐᶄᵿᶁᶃᴾᶁᵿᶌᴾᶀᶓᶐᶌᴾᶗᶍᶓᵌ
ᵱᶒᵿᶗᴾᵿᶕᵿᶗᴾᶇᶄᴾᶃᶌᶅᶇᶌᶃᴾᶆᵿᶑ
ᶀᶃᶃᶌᴾᶐᶓᶌᶌᶇᶌᶅᵌ
Warning Label Exclusively for the United States and Canada
For use in the United States or Canada, please affix the label suited to the region from among the
enclosed warning labels.
AVERTISSEMENT
Lire les INSTRUCTIONS
POUR L'USAGE avant d’
utiliser le moteur.
L'essence est extrêmement
inflammable et ses vapeurs
peuvent exploser.
• Arrêter le moteur avant de
faire le plein en combustible.
• Vérifier toute présence de
fuite à partir des tuyaux et
garnitures.
• Bloquer la soupape de
carburant quand le moteur
n’est pas utilisé.
Le moteur émet un gaz toxique
qui peut tuer l’opérateur en
quelques minutes.
Ne pas utiliser le moteur dans
un emplacement fermé.
La surface chaude peut vous
brûler.
S’éloigner du moteur s’il est en
marche.
ADVERTENCIA
Leer las INSTRUCCIONES
PARA EL USO antes de utilizar
el motor.
La gasolina es extremadamente
inflamable y sus vapores
pueden estallar.
• Detener el motor antes de
hacer el lleno en combustible
• Comprobar si hay presencia
de fuga a partir los tubos y
guarniciones
• Bloquear la válvula de
combustible cuando no se
utiliza el motor.
El motor emite un gas tóxico
que puede matar el operador
en algunos minutos.
No utilizar el motor en un sitio
cerrado.
La superficie caliente puede
quemarles.
Alejarse del motor si es en
marcha.
STOP
STOP
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ENGLISH
−4−
2. COMPONENTS
REMARKS :
■Fuel tank, valve (sediment bowl type is recommended), fuel hoses, and fuel filter
are required for connecting fuel source to carburetor.
■A battery rated at 12V-30AH (EH63/64/65), 12V-36AH (EH72-2) or larger with
the specified cable are required for electric starter operation. Make the proper
electrical wiring arrangements before normal engine operation.
(See Section 4 Battery Installation for instructions.)
Speed control lever
Fuel filter
Oil cooler
(EH72-2 only)
Oil drain plug
(On both sides)
Electric starter
Spark plug cap
Choke knob
Air cleaner cover
Oil gauge
Oil filler cap
PTO shaft
Carburetor
Fuel pump
Blower housing
Governor lever
Voltage
regulator
Spark plug cap
Engine
emission label
Hook
Key switch
Control box
Oil filter
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3. PRE-OPERATION CHECKS
−5−
5W
10W
20W
#20
#30
#40
10W-30
10W-40
Single
grade
Multi
grade
Ambient
temperature
-20 -10 0 10 20 30 40
-4 14 32 50 68 86 104
Upper level
Lower level
Oil gauge
Oil
gauge
■When filling oil in the engine, keep the
engine level and fill the oil up to the
upper mark of the oil gauge. Measure
the oil level with the oil gauge plugged
in position.
■After an oil change, run the engine,
and recheck the oil level. The oil level
may drop a little as the oil fills the oil
filter. Fill the oil up to the upper mark of
the oil gauge.
■Change oil if it is contaminated.
(See Section 8 Maintenance Schedule.)
■Use 4-stroke automotive detergent oil
of API service class SE or higher grade
(SG, SH or SJ is recommended).
■If multi-grade oil is used, oil consump-
tion tends to increase when the ambi-
ent temperature is high.
CHECK ENGINE OIL (DAILY)
Before checking or refilling engine oil, be
sure the engine is not running and is located
on a stable, level surface.
■If the oil level is below the lower level
line on the oil gauge, refill with the
proper oil (see table) to the upper
level.
OIL CAPACITY : 1.55 liter
Oil
gauge
Upper
level
Lower
level
Oil
gauge
Upper
level
Lower
level
STD-type Option
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−6−
ENGLISH
CHECK FUEL
■The fuel tank shall be provided sepa-
rately, because the engine is not
equipped with a fuel tank.
A fuel valve and fuel filter should be
connected between the fuel tank and
fuel pump.
Securely connect with fuel hoses to the
fuel pump to prevent leakage.
■ Fuel tanks may be mounted up to 0.66
meters (2 feet) below the carburetor.
If the fuel tank is mounted above the
carburetor, a fuel shut off valve must be
connected between the fuel tank and
fuel pump. The fuel valve must be shut
off when the engine is not operating to
prevent fuel from flooding the carburetor.
■ A serious accident may occur if the fuel
hose comes off. Properly secure the fuel
line connections by completely inserting
the hose onto the fittings and securing
the connection with a hose clamp.
■ Use automotive unleaded gasoline only.
■Stop the engine and close the fuel
valve before filling the fuel tank.
■Wipe off any spilled fuel before starting
the engine.
WARNING
Do not refuel while smoking, near an
open flame or other potential hazards.
Fuel pump
Rubber pipe
Fuel filter
Fuel inlet
(EH63/64/65)
(EH72-2)
Rubber pipe
Fuel pump
Fuel filter
Fuel inlet
NOTE :
THIS ENGINE IS CERTIFIED TO OPERATE
ON AUTOMOTIVE UNLEADED GASOLINE.
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4. BATTERY INSTALLATION
−7−
PARTS NEEDED
■Use a battery rated 12V-30AH
(EH63/64/65), 12V-36AH (EH72-2) or
larger.
■Use a proper cable and ground wire
to connect battery and key switch
and electric starter.
BATTERY CABLE
GROUND WIRE, use a flat braided wire
of 0.03 sq. in. or larger sectional area.
(SAE GAUGE 4)
LA406 LA408
CABLE
EARTH (GROUND) WIRE
25mm
KEY SWITCH CABLE
For electric starter operation, proper electric wiring arrangements are needed
before normal engine operation.
CABLE
LENGTH
CABLE
DIA.
WIRE GAUGE
AWG (BS)
BWG
SAE JIS
Less than
1.5 m 7.3 mm 1 6 AV15
1.5 m
to 2.5 m 8.5 mm 0 4 AV20
2.5 m
to 4.0 m 10.8 mm 3/0 2AV30
CABLE
LENGTH
CABLE
DIA.
WIRE GAUGE
AWG (BS) BWG JIS
Less than
1.5 m 1.5 mm 14 16 AV1.25
1.5 m
to 3.0 m 1.9 mm 12 14 AV2
3.0 m
to 5.0 m 2.4 mm 10 13 AV3
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−8−
ENGLISH
WIRING
■Connect positive terminal of elec-
tric starter and positive terminal of
the battery with battery cable.
■Ground negative terminal of the
battery to the body of engine or
machine with ground wire.
NOTE
Tighten bolts and nuts on terminals
securely so they will not be loosened
by vibration.
Battery
+ -
Electric starter
terminal
Earth wire
Cable
WIRING DIAGRAM
Optional hardware shown by dotted lines. Select wires of proper gauge and
connect battery as shown by the dotted line in the wiring diagram.
CARBURETOR
OIL
PRESSURE
SWITCH
IGNITION
COIL #1
IGNITION
COIL #2 SPARK
PLUG
SPARK
PLUG
CHARGE
COIL
ELECTRIC
STARTER
REGURATOR
OIL WARNING LAMP
BATTERY
12V
TACHO / HOUR METER
(HIGH TENSION CORD)
RED
RED
RED
BLACK
GREEN
GRAY
BLACK
BLACK
WHITE
YELLOW
YELLOW
BLACK / WHITE
SB
M
GL
KEY
SWITCH
GMB L S
OFF
Terminal
Key
Position
RUN
START
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5. OPERATING YOUR ENGINE
−9−
STARTING
NOTE
Following operating method is for
the STD type speed control lever.
As to the fixed type speed control
lever (exp. Generator spec.), do
not move it otherwise the genera-
tor component such as voltage
regulator may be damaged.
Pull the choke knob.
■If the engine is cold or the ambient
temperature is low, pull the choke
knob fully.
■If the engine is warm or the ambient
temperature is high, pull the choke
knob half-way, or keep it fully open.
CHOKE KNOB
1
(Provided by the equipment manu-
facturer)
Open the fuel valve.
Set the speed control lever 1/3 of
the way towards the high speed
position.
FUEL VALVE
SPEED CONTROL LEVER
Turn the key switch to the "START"
position.
■Do not operate the electric starter
continuously for more than 5 seconds,
even if the engine dose not start.
■If the engine failed to start, set the
key to the "RUN" position and wait for
about 10 seconds before retrying.
■Never turn the key switch to the
"START" position while engine is
running.
ELECTRIC STARTER
4
Choke adjustment is
not necessary for the
auto-choke engine.
2
CLOSE
3
OFF
RUN
START
3
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−10−
ENGLISH
■After starting the engine, gradu-
ally open choke by pushing the
choke knob and finally keep it
fully opened.
■Do not fully open the choke
immediately when the engine is
cold or the ambient temperature
is low, because the engine may
stop.
CHOKE KNOB
After the engine starts, set the
speed control lever at the low
speed position and warm it up
without load for a few minutes.
SPEED CONTROL LEVER
RUNNING
Gradually move the speed control
lever toward the high speed posi-
tion and set it at the required
engine speed.
NOTE :
Whenever high speed operation is
not required, slow the engine
down (idle) by moving the speed
control lever to save fuel and
extend engine life.
OPEN
5
Choke adjustment is
not necessary for the
auto-choke engine.
5
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−11−
STOPPING
Set the speed control lever at the
low speed position and allow the
engine to run at low speed for 2 or
3 minutes before stopping.
SPEED CONTROL LEVER
2
Turn the key switch to the "STOP"
position.
ELECTRIC STARTER
3
Close the fuel valve.
FUEL VALVE
STOPPING ENGINE
WITH THE FUEL VALVE
Close the fuel valve while the
engine is running and wait until the
engine stops.
Set the key switch to the "STOP"
position after stopping the engine.
This procedure eliminates the fuel
from the carburetor.
Avoid allowing the fuel to remain in
the carburetor over long periods, or
the passages of the carburetor may
become clogged and malfunctions
may result.
1
OFF
RUN
START
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6. EASY TROUBLESHOOTING
−12−
ENGLISH
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.
Is there enough compression?
If the spark plug is loose, tighten it.
Is the spark plug wet with gasoline?
1. Choke (close choke lever) and slowly start the engine for 2 or 3 seconds.
Remove the plug and check if its electrode is wet. If the electrode is wet, fuel is
well supplied to your engine.
2.When the electrode is dry, check to find where the fuel is restricted.
(Check the fuel intake of the carburetor and fuel strainer intake.)
3. In case the engine does not start with well supplied fuel, try using fresh fuel.
Is there a strong spark across
the electrode?
1. Remove the spark plug and connect it
to the plug cap.
Turn key switch to START position
while grounding spark plug against
engine body.
2. Try with a new spark plug if the spark
is weak or there is no spark.
3. The ignition system is faulty if there is
no spark with a new spark plug.
Take your engine to your nearest
Robin dealer.
WARNING
Wipe off spilled fuel carefully
before checking the spark plug.
Place spark plug as far away from
spark plug hole as possible.
Do not hold spark plug by hand
while checking.
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−13−
Is your battery well charged ?
Check the battery, it may be discharged
and unable to operate the electric
starter.
Consult your nearest dealer or service
shop.
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7. SPARK ARRESTER (OPTIONAL)
−14−
ENGLISH
In a dry or wooded area, it is recommendable to use the product with a spark
arrester.
Some areas require the use of a spark arrester. Please check your local
laws and regulations before operating your product.
The spark arrester must be cleaned regularly to keep it functioning as designed.
A clogged spark arrester :
●Prevents the flow of exhaust gas
●Reduces engine output
●Increases fuel consumption
●Makes starting difficult
If the engine has been running, the muffler and the spark arrester will be very hot.
Allow the muffler to cool before cleaning the spark arrester.
How to remove the spark arrester
1. Remove the flange bolts from the
muffler cover and remove the muffler
cover.
2. Remove the special screw from the
spark arrester and remove the spark
arrester from the muffler.
SPARK
ARRESTER
SCREEN
MUFFLER
MUFFLER COVER
Clean the spark arrester screen
Use a brush to remove carbon deposits
from the spark arrester screen.
Be careful to avoid damaging the screen.
The spark arrester must be free of
breaks and holes. Replace the spark
arrester if it is damaged.
Install the spark arrester, and muffler
protector in the reverse order of
disassembly.
SPARK ARRESTER SCREEN
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8. MAINTENANCE SCHEDULE
−15−
DAILY INSPECTION
Before running the engine, check the following service items.
PERIODIC MAINTENANCE
Periodic maintenance is vital to safe and efficient operation of your engine.
Check the table below for periodic maintenance intervals.
IT IS ALSO NECESSARY FOR THE USER OF THIS ENGINE TO CONDUCT
THE MAINTENANCE AND ADJUSTMENTS ON THE EMISSION-RELATED
PARTS LISTED BELOW TO KEEP THE EMISSION CONTROL SYSTEM
EFFECTIVE.
The emission control system consists of the following parts:
The maintenance schedule indicated in the following table is based on the normal
engine operation. 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.
Excessive vibration,noise
Clean air cleaner element
Safe surroundings
Enough clean engine oil
Leakage of gasoline and engine oil
Loose or broken bolts and nuts
Enough gasoline
(1) Carburetor and internal
parts
(2) Cold start enrichment
system, if applicable
(3) Intake manifold, if
applicable
(4) Air cleaner elements
(5) Spark plug
(6) Magneto or electronic
ignition system
(7) Spark advance/retard
system, if applicable
(8) Exhaust manifold, if
applicable
(9) Hoses, belts, connec-
tors, and assemblies
MAINTENANCE, REPLACEMENT, OR REPAIR OF EMISSION CONTROL DEVICES
AND SYSTEMS MAY BE PERFORMED BY ANY NONROAD ENGINE REPAIR
ESTABLISHMENT OR INDIVIDUAL.
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