Echo HC-181 User manual

WARNING DANGER
Readrulesforsafeoperationandallinstructionscarefully. ECHOprovidesthis
Operator'sManualandaSafetyManual.Bothmustbereadandunderstoodfor
properandsafeoperation.
Hedge Clipper
Operator'sManual
MODEL HC-181
X7532244301 X753001491
05/06

2
TABLE OF CONTENTS
Introduction...............................................................2
- The Operator's Manual.......................................2
- The Safety Manual .............................................2
Safety .........................................................................3
- Manual Safety Symbols and Important
Information ..........................................................3
- InternationalSymbols ........................................3
- Safety Equipment and Proper Clothing ..............3
- Equipment ..........................................................6
EmissionsControl......................................................6
Description ................................................................7
Contents ....................................................................9
Assembly ...................................................................9
- InstallBladeStiffener ....................................... 10
- RemoveBladeStiffener .................................... 11
Operation ................................................................. 12
- Fuel ................................................................... 12
- StartingColdEngine......................................... 13
- StartingWarmEngine ...................................... 14
- Stopping Engine ............................................... 14
- HedgeTrimming ............................................... 15
Maintenance............................................................ 15
- SkillLevels........................................................ 15
- Maintenance Intervals...................................... 16
- AirFilter ........................................................... 17
- FuelFilter.......................................................... 17
- SparkPlug ........................................................ 18
- CoolingSystem ................................................ 18
- ExhaustSystem ................................................ 20
- Carburetor Adjustment..................................... 21
- Lubrication ....................................................... 22
- Sharpening Blades............................................ 23
Troubleshooting...................................................... 25
Storage..................................................................... 26
Specifications .......................................................... 27
ServicingInformation .............................................. 28
- Parts/SerialNumber .......................................... 28
- Service .............................................................. 28
- ECHOConsumer ProductSupport ................... 28
- Warranty Card .................................................. 28
- Additional or Replacement Manuals................ 28
INTRODUCTION
Welcome to the ECHO family. This ECHO product was designed and manufactured to provide long life and on-the-job
dependability. Read and understand this manual. You will find it easy to use and full of helpful operating tips and
SAFETYmessages.
THE OPERATOR’SMANUAL
Read and understand this manual before operation. Keep
it in a safe place for future reference. It contains specifi-
cations and information for operation, starting, stopping,
maintenance, storage, and assembly specific to this
product.
THE SAFETY MANUAL
Read and understand this manual before operation. Keep
it in a safe place for future reference. It explains possible
hazards involved with the use of this product and what
measures you should take to make their use safer.
Copyright©2006ByEcho,Incorporated
All Rights Reserved.
Specifications, descriptions and illustrative material in
this literature are as accurate as known at the time of
publication, but are subject to change without notice.
Illustrations may include optional equipment and
accessories, and may not include all standard equipment.

HEDGE CLIPPER
OPERATOR'SMANUAL 3
INTERNATIONAL SYMBOLS
IMPORTANT
The enclosed message provides
information necessary for the protec-
tion of the unit.
NOTE
This enclosed message provides tips
for use, care and maintenance of the
unit.
Throughout this manual and on the product itself, you will find safety
alerts and helpful, informational messages preceded by symbols or key
words. The following is an explanation of those symbols and key
words and what they mean to you.
SAFETY
MANUAL SAFETY SYMBOLS AND IMPORTANT INFORMATION
This symbol accompanied by the words WARNING and
DANGER calls attention to an act or condition that can lead
to serious personal injury to operator and bystanders.
The circle with the slash symbol means whatever is shown
within the circle is prohibited.
Symbol
description/application Symbol form/shape Symbol
description/application
Symbol form/shape
Hot
Surface
Carburetor adjustment
- Idle speed
Carburetor adjustment
- High speed mixture
Symbol
description/application Symbol form/shape Symbol
description/application
Symbol form/shape
Read and understand
owners manual.
Wear eyes, ears and
head protection
Emergency stop
Fuel and oil mixture
Finger Severing
Carburetor adjustment
- Low speed mixture
Safety/Alert
Avoid all power
lines. This unit is not
insulated against
electrical current.
Do not operate clos-
er than 15 M (50 ft.)
from electrical haz-
ards.
Plan retreat path
from falling
objects.
Wear hand protec-
tion. Use two handed.
DO NOT SMOKE
NEAR FUEL.
DO NOT ALLOW
FLAMES OR
SPARKS NEAR
FUEL.
Wear slip resistant
foot wear.
Ignition Ignition
ON/OFF
Do not operate
without guards
in place.
Keep bystanders at least
4.5 meters (15 feet) away.
Primer bulb
Choke Control
"Cold Start"
Position
(ChokeClosed)
Choke Control
"Run"
Position
(ChokeOpen)
WARNING DANGER
Users of this product risk injury to themselves and others if the unit is used improperly and/or safety precautions
are not followed. Proper clothing and safety gear must be worn when operating unit.
PERSONAL CONDITION AND SAFETY EQUIPMENT

4
Physical Condition
Your judgment and physical dexterity may not be good:
• if you are tired or sick,
• ifyou are taking medication,
• if you have taken alcohol or drugs.
Operate unit only if you are physically and mentally well.
Eye Protection
Wear eye protection that meets ANSI Z87.1 or CE requirements whenever you operate the unit.
Hand Protection
Wear no-slip, heavy-duty work gloves to improve your grip on the handle. Gloves also reduce the transmission of
machine vibration to your hands.
Hearing Protection
ECHO recommends wearing hearing protection whenever unit is used.
Proper Clothing
Wear snug fitting, durable clothing;
• Pants should have long legs, shirts with long sleeves.
• DONOTWEARSHORTS,
• DONOTWEARTIES,SCARFS,JEWELRY.
Wear protective hair covering to contain long hair.
Wear sturdy work shoes with nonskid soles;
• DONOTWEAROPENTOEDSHOES,
• DONOTOPERATEUNITBAREFOOTED.
Hot Humid Weather
Heavy protective clothing can increase operator fatigue which may lead to heat stroke. Schedule heavy work for early
morning or late afternoon hours when temperatures are cooler.
• Keep your body warm, especially the head, neck, feet, ankles, hands,
and wrists.
• Maintain good blood circulation by performing vigorous arm exer-
cises during frequent work breaks, and also by not smoking.
• Limit the hours of operation. Try to fill each day with jobs where
operating the unit or other hand-held power equipment is not
required.
• If you experience discomfort, redness, and swelling of the fingers
followed by whitening and loss of feeling, consult your physician
before further exposing yourself to cold and vibration.
Extended Operation/Extreme Conditions
It is believed that a condition called Raynaud’s Phenomenon, which affects the fingers of certain individuals, may be
brought about by exposure to vibration and cold. Exposure to vibration and cold may cause tingling and burning
sensations, followed by loss of color and numbness in the fingers. The following precautions are strongly recom-
mended,because the minimum exposure,whichmighttrigger the ailment,is unknown.

HEDGE CLIPPER
OPERATOR'SMANUAL 5
WARNING DANGER
Do not operate this product indoors or in inadequately ventilated
areas. Engine exhaust contains poisonous emissions and can
cause serious injury or death.
Read the Manuals
• Provide all users of this equipment with the Operator’s Manual and
Safety Manual for instructions on Safe Operation.
Clear the Work Area
• Spectators and fellow workers must be warned, and children and
animalspreventedfromcomingnearer than 15 m (50 ft.) whilethe unit
is in use.
Keep a Firm Grip
• Hold the front and rear handles with both hands, with thumbs and
fingers encircling the handles.
Keep a Solid Stance
• Maintain footing and balance at all times. Do not stand on slippery,
uneven or unstable surfaces. Do not work in odd positions or on
ladders. Do not over reach.
Avoid Hot Surfaces
• Keep exhaust area clear of flammable debris. Avoid contact during
andimmediatelyafteroperation.
WARNING DANGER
Never perform blade maintenance procedures while engine is
running.
Repetitive Stress Injuries
It is believed that overusing the muscles and tendons of the fingers, hands, arms, and shoulders may cause soreness,
swelling, numbness, weakness, and extreme pain in those areas. Certain repetitive hand activities may put you at a high
riskfordevelopingaRepetitive Stress Injury (RSI). An extreme RSI conditionis Carpal Tunnel Syndrome (CTS), which
could occur when your wrist swells and squeezes a vital nerve that runs through the area. Some believe that prolonged
exposure to vibration may contribute to CTS. CTS can cause severe pain for months or even years.
To reduce the risk of RSI/CTS, do the following:
• Avoid using your wrist in a bent, extended, or twisted position.
Instead try to maintain a straight wrist position. Also, when grasping,
use your whole hand, not just the thumb and index finger.
• Take periodic breaks to minimize repetition and rest your hands.
• Reduce the speed and force with which you do the repetitive move-
ment.
• Do exercise to strengthen the hand and arm muscles.
• Immediately stop using all power equipment and consult a doctor if
you feel tingling, numbness, or pain in the fingers, hands, wrists, or
arms. The sooner RSI/CTS is diagnosed, the more likely permanent
nerve and muscle damage can be prevented.

6
IMPORTANTENGINEINFORMATION
ENGINE FAMILY: 6EHXS.0214KF DISPLACEMENT: 21.2 cc
EMISSION COMPLIANCE PERIOD: 300 Hours
THIS ENGINE MEETS U.S. EPA PH2 AND 2005 - 2006
CALIFORNIA EMISSION REGULATIONS FOR SORES.
REFER TO OWNER'S MANUAL FOR MAINTENANCE
SPECIFICATIONS AND ADJUSTMENTS.
EQUIPMENT CHECK
WARNING DANGER
Use only ECHO approved attachments. Serious injury may result from the use of a non-approved attachment combi-
nation. ECHO, INC. will not be responsible for the failure of cutting devices, attachments or accessories which have
not been tested and approved by ECHO. Read and comply with all safety instructions listed in this manual and safety
manual.
• Check unit for loose/missing nuts, bolts, and screws. Tighten and/or
replace as needed.
• Inspect fuel lines, tank, and area around carburetor for fuel leaks. DO
NOT operate unit if leaks are found.
• Check that the cutting attachment is firmly attached and in safe
operating condition.
EMISSIONCONTROL
California Tier III
The emission control system for these engines is EM/TWC (Engine Modification and Catalyst).
EmissionControlLabel (locatedonEngine) (EXAMPLE
ONLY,informationonlabelvariesbyFAMILY).
PRODUCTEMISSION DURABILITY
The 300 hour emission durability compliance period is the time span selected by the manufacturer certifying the
engine emissions output meets applicable emissions regulations, provided that approved maintenance procedures
are followed as listed in the Maintenance Section of this manual.

HEDGE CLIPPER
OPERATOR'SMANUAL 7
1
2
3
5
4
8
9
10
11
12
13
14 15
16
7
17 6
P/NX505000270
P/NX505000290
Right Front Handle Guard
DESCRIPTION
Locate the safety decals on your unit. Make sure the decals are legible and that you understand and follow the instruc-
tions on them. If a decal cannot be read, a new one can be ordered from your ECHO dealer. See PARTS ORDERING
instructionsforspecific information.
P/N 89016006361
Hot Decal (near muffler)

8
1. FRONTHANDLE/GUARD- Comfortable,texturedfinishprovidesanti-slipgripforfronthand. Guardprotects
hand from the blades. Warning decals are located on guard.
2. BLADES - Double-sided reciprocating blades mounted to a blade support bar.
3. BLADESTIFFENER -Attaches to top of blades and guides material being cut into blades.
4. SPARKPLUG-Providessparktoignitefuelmixture.
5. CHOKE - The choke control lever is located alongside the air filter case. Move lever up to "COLD START" ( ) to
close the choke for Cold Starting. Move lever down to "RUN" ( ) position to open choke.
6. PURGEBULB - Pumping purge bulb before starting engine draws fresh fuel from the fuel tank, purging air from the
carburetor. Pump purge bulb until fuel is visible and flows freely in the clear fuel tank return line. Pump purge bulb
an additional 4 or 5 times.
7. AIRCLEANER-Containsreplaceablefilterelement.
8. FUELTANKCAP-Coversandsealsfueltankopening.
9. FUELTANK-Containsfuelandfuelfilter.
10. REARHANDLE-ContainstheStopSwitch,ThrottleLockout,andThrottleTrigger.
11. THROTTLETRIGGERLOCKOUT-ThislevermustbedepressedbeforeThrottleTriggercanbeactivated.
12. THROTTLETRIGGER-Springloadedtoreturntoidlewhenreleased. TriggerLockoutmustbedepressedfully
before Throttle Trigger will move. During acceleration, depress gradually for best operating technique.
13. STOPSWITCH- SLIDESWITCH mounted on top of therear handle. Move switch FORWARDto RUN, BACK to
STOP.
14. RECOILSTARTERHANDLE-Pullhandleslowlyuntilrecoilstarterengages,thenpullquicklyandfirmly. DONOT
pull rope all the way out or allow the handle to snap back, damage to the starter will occur.
15. SPARKARRESTOR-CATALYTICMUFFLER/MUFFLER-Themufflerorcatalyticmufflercontrolsexhaustnoise
and emission. The spark arrestor screen prevents hot, glowing particles of carbon from leaving the muffler. Keep
exhaustareaclearofflammabledebris.
16. POWER HEAD - Factory Assembled to the gear housing assembly. Includes the Engine, Clutch, Fuel
System,IgnitionSystem,andRecoilStarter.
17. BLADE COVER - Used to cover blades during transportation or storage. Remove blade cover before using unit.

HEDGE CLIPPER
OPERATOR'SMANUAL 9
NOTE
For normal cutting, Echo strongly recommends the blade stiffener
be installed. In extreme conditions, such as commercial cutting, or
when cutting thick and/or dense branches, efficiency may be
increased by trimming without the blade stiffener.
Tools required: (2)10mmSockets&Extensions
Parts Required: BladeStiffener,BladeLockNuts(3)(P/N
43302206460),Washers(3)
WARNING DANGER
Hedge Clipper blades are very sharp. Touching them may lead to
severe personal injury. Avoid touching blades whenever possible,
and always wear gloves to protect hands.
IMPORTANT
Follow blade bolt adjustment instructions exactly. Failure to do so
could result in damage to blades or gearbox.
CONTENTS
After opening the carton, check for damage. Immediately notify your retailer or ECHO Dealer of damaged or missing
parts. Use the contents list to check for missing parts.
__ 1 - Hedge ClipperAssembly
__ 1 - Operator’s Manual
__ 1 - Safety Manual
__ 1 - Warranty Statement
__ 1- Warranty Registration Card
__ 1 - T-Wrench13x19
__ 1 - BladeStiffener
__ 3 - Blade Locknuts
__ 3 - Stiffener Washers
__ 1 - EchoPowerBlend TM 2-strokeoilsample
__ 1 - BladeCover
ASSEMBLY

10
INSTALL BLADE STIFFENER
1. Move stop switch to stop position.
2. Disconnect spark plug wire.
WARNING DANGER
Hedge clipper blades are very sharp. Touching them may lead to
severe personal injury. Use a socket and extension when adjusting
blade bolts or blade locknuts in order to keep hands at a safe
distance from sharp blades.
3. Lay unit on muffler side and hold securely in place.
4. Remove first three (3) blade locknuts (A) and washers in front of
front handle/guard. Do not remove blade bolts.
5. Tighten blade bolts (B) until snug. Install blade stiffener, then
washers.
6. Loosen blade bolts ½ turn. Secure blade stiffener with new locknuts
(A). Hold blade bolts from turning using a 10mm wrench.
NOTE
Use new locknuts every time blade stiffener is installed.
IMPORTANT
If blade stiffener is damaged or show signs of wear, replace it.
NOTE
Washers (C) should be movable by hand after blade bolts are
adjusted properly.
A
B
C

HEDGE CLIPPER
OPERATOR'SMANUAL 11
BLADE STIFFENER REMOVAL
1. Move stop switch to stop position.
2. Disconnect spark plug wire.
WARNING DANGER
Hedge clipper blades are very sharp. Touching them may lead to
severe personal injury. Use a socket and extension when adjusting
blade bolts or blade locknuts in order to keep hands at a safe
distance from sharp blades.
3. Remove blade stiffener locknuts (A) and washers. Do not remove
blade bolts.
4. Removebladestiffener.
5. Tighten blade bolts (B) until snug, then loosen ½ turn.
6. Secure blades with new locknuts (A). Hold blade bolts from turning
usinga10mmwrench.
A
B

12
OPERATION
NOTICE:Useofunmixed,improperlymixed,orfuelolderthan90
days, (stale fuel), may cause hard starting, poor performance, or
severe engine damage and void the product warranty. Read and
follow instructions in the Storage section of this manual.
FUEL
Fuel Requirements
Gasoline-Use89Octane[R+M/2](midgradeorhigher)gasoline
known to be good quality. Gasoline may contain up to 15% MTBE
(methyl tertiary-butyl ether). Gasohol containing methyl (wood) alcohol
is NOT approved.
TwoStrokeOil-Atwo-strokeengineoilmeetingISO-L-EGD(ISO/CD
13738)and J.A.S.O. FCStandards mustbeused. Echo brandpremium
Power Blend TM Universal 2-Stroke Oil meets these standards. Engine
problems due to inadequate lubrication caused by failure to use an
ISO-L-EGDandJ.A.S.O.FCcertifiedoil,suchasEchopremiumPower
BlendTM,willvoidthetwo-strokeenginewarranty. (Emissionrelated
parts only are covered for two years, regardless of two-stroke oil used,
per the statement listed in the Emission Defect Warranty Explanation.)
IMPORTANT
EchopremiumPowerBlendTM Universal2-StrokeOilmaybemixed
at 50:1 ratio for application in all Echo engines sold in the past
regardless of ratio specified in those manuals.
Handling Fuel
WARNING DANGER
FuelisVERYflammable.Useextremecarewhenmixing,storingor
handling or serious personal injury may result.
• Use an approved fuel container.
• DONOTsmokenearfuel.
• DONOTallowflamesorsparksnear fuel.
• Fuel tanks/cans may be under pressure. Always loosen fuel caps
slowly allowing pressure to equalize.
• NEVERrefuelaunitwhentheengineisHOTorRUNNING!
• DONOT fill fueltanks indoors.ALWAYSfill fuel tanks outdoors
over bare ground.
•DONOToverfillfueltank. Wipeupspillsimmediately.
• Securely tighten fuel tank cap and close fuel container after
refueling.
• Inspect for fuel leakage. If fuel leakage is found, do not start or
operate unit until leakage is repaired.
• Move at least 3m (10 ft.) from refueling location before starting
the engine.
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004
IMPORTANT
Spilled fuel is a leading cause of
hydrocarbon emissions. Some states
may require the use of automatic fuel
shut-off containers to reduce fuel
spillage.
After use
• DO NOT store a unit with fuel in its tank.
Leaks can occur. Return unused fuel to an
approved fuel storage container.
Storage - Fuel storage laws vary by locality.
Contact your local government for the laws
affecting your area. As a precaution, store
fuel in an approved, airtight container. Store
in a well-ventilated, unoccupied building,
away from sparks and flames.
IMPORTANT
Storedfuelages.Do not mix more fuel
than you expect to use in thirty (30)
days, ninety (90) days when a fuel
stabilizerisadded.
IMPORTANT
Stored two-stroke fuel may separate.
ALWAYS shake fuel container
thoroughly before each use.
Mixing Instructions
1. Fill an approved fuel container with half
of the required amount of gasoline.
2. Add the proper amount of 2-stroke oil to
gasoline.
3. Close container and shake to mix oil with
gasoline.
4. Add remaining gasoline, close fuel
container,andremix.

HEDGE CLIPPER
OPERATOR'SMANUAL 13
3. Purge Bulb
Pump purge bulb(C) until fuel is visible and flows freely in the clear
fuel tank return line. Pump bulb an additional 4 or 5 times.
4. Recoil Starter
Lay the unit on a flat, clear area. Grip the front handle securely with
one hand, and pull the recoil starter handle (D) until engine fires (or
5pullsmaximum).
5. Choke
After engine fires or 5 pulls, move choke (B) to the RUN ( )
(OPEN) position. Restart engine if necessary and allow unit to warm
up at idle for several minutes.
WARNING DANGER
The blades must not move at idle, otherwise serious personal injury
may result. Periodic carburetor adjustment may be necessary to
assure blades do not move at idle.
If blades move, readjust carburetor according to “Carburetor
Adjustment” instructions in this manual or see your ECHO Dealer.
NOTE
If engine does not start with choke in “Run” position after 5 pulls,
repeat instructions 2 - 5.
6. Throttle Trigger
After engine warm-up, grip the handle to depress the throttle trigger
lockout, and gradually depress throttle trigger to increase engine
RPM to operating speed.
STARTING COLD ENGINE
WARNING DANGER
Hedge Clipper blades are very sharp. Touching them may lead to
severe personal injury. Avoid touching blades whenever possible,
and always wear gloves to protect hands.
NOTE
The blade cover is used for transportation and storage. Remove
blade cover before using the unit.
1. Stop Switch
Move stop switch (A) away from the STOP position.
2. Choke
Movechoke(B)to the Cold Start ( ) (CLOSED) position.
A
B
D
C

14
STARTING WARM ENGINE
The starting procedure is the same as Cold Start except DO NOT close
the choke.
WARNING DANGER
The blades must not move at idle, otherwise serious personal injury
may result. Periodic carburetor adjustment may be necessary to
assure blades do not move at idle.
If blades move, readjust carburetor according to “Carburetor
Adjustment” instructions in this manual or see your ECHO Dealer.
1. Stop Switch
Move stop switch (A) away from the STOP position.
2. Purge Bulb
Pump purge bulb(C) until fuel is visible and flows freely in the clear
fuel tank return line. Pump bulb an additional 4 or 5 times.
3. Recoil Starter
Place the unit on a flat, clear area. Grip the front handle securely
with one hand, and pull the recoil starter handle (D) until engine
fires.
NOTE
If engine does not start after 5 pulls, use Cold Start Procedure.
STOPPING ENGINE
1. Throttle
Release throttle and allow engine to return to idle before shutting
off engine.
2. Stop Switch
Move stop switch (A) to STOP position.
WARNING DANGER
If engine does not stop when stop switch is moved to STOP
position, close choke - COLD START position - to stall engine.
Have your ECHO dealer repair stop switch before using hedge
clipperagain.
A
A
D
C

HEDGE CLIPPER
OPERATOR'SMANUAL 15
HEDGETRIMMING
WARNING DANGER
Hedge Clipper blades are very sharp. Touching them may lead to
severe personal injury. Avoid touching blades whenever possible,
and always wear gloves to protect hands.
1. Hold trimmer firmly and squeeze throttle trigger to accelerate engine.
2. Tilt trimmer so cutting teeth are angled slightly toward the hedge or
shrub and proceed to cut.
WARNING DANGER
Never remove hands from unit when blades are moving.
WARNING DANGER
The engine continues running even when the blades have stopped
due to an obstruction. If this occurs, stop the engine, disconnect
ignition cable and remove the obstruction.
MAINTENANCE
Your ECHO unit is designed to provide many hours of trouble free service. Regular scheduled maintenance will help
your unit achieve that goal. If you are unsure or are not equipped with the necessary tools, you may want to take your
unit to an ECHO Service Dealer for maintenance. To help you decide whether you want to DO-IT-YOURSELF or have
the ECHO Dealer do it, each maintenance task has been graded. If task is not listed, see your ECHO Dealer for repairs.
SKILL LEVELS
Level1= Easy to do. Most required tools come with unit.
Level2= Moderate difficulty. Some specialized tools may be required.
Level3= Experience required. Specialized tools are required. Echo recommends that the unit be returned to your
ECHOdealerforservice.
ECHO offers REPOWERTM Maintenance Kits and Parts to make your maintenance job easier. Just below each task
heading are listed the various part numbers required for that task. See your ECHO dealer for these parts.

16
MAINTENANCE INTERVALS
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HEDGE CLIPPER
OPERATOR'SMANUAL 17
AIR FILTER
Level1.
Tools required: 25or50mm(1or2 in.)cleaningbrush
Parts required: 90008REPOWERTM AIR&FUELFILTERKIT
1. Close choke (Cold Start Position [ ]). This prevents dirt from
entering the carburetor throat when the air filter is removed. Brush
accumulateddirtfromaircleanerarea.
2. Remove airfiltercover.Brush dirtfrominsidecover.
3. Removeairfilterandlightlybrushdebrisfromfilter.Replacefilterifit
is damaged, fuel soaked, very dirty, or the rubber sealing edges are
deformed.
4. If filter can be reused, be certain it:
• Fits tightly in the air filter cavity.
• Is installed with the original side out.
5. Installairfiltercover.
NOTE
Carburetor adjustment may be needed after air filter cleaning/
replacement.
FUEL FILTER
Level1.
Tools required: 200-250mm (8-10in.)lengthofwirewithoneend
bent into a hook, clean rag, funnel, and an approved
fuel container
Parts required: 90008REPOWERTM AIR&FUELFILTERKIT
WARNING DANGER
FuelisVERYflammable.Useextremecarewhenmixing,storingor
handling.
1. Use a clean rag to remove loose dirt from around fuel cap and empty
fueltank.
2. Use the “fuel line hook” to pull the fuel line and filter from the tank.
3. Remove thefilter fromtheline and install thenewfilter.
B
A
C

18
SPARK PLUG
Level2.
Tools required: T-wrench, Feeler gauge, Soft metal brush
Parts required: REPOWERTM Tune-UpKitP/N90074
IMPORTANT
UseonlyNGKBPM-8Ysparkplug(BPMR-8YinCanada)other-
wise severe engine damage may occur.
1. Remove spark plug and check for fouling, worn and rounded center
electrode.
2. Clean the plug or replace with a new one. DO NOT sand blast to
clean.Remainingsand will damageengine.
3. Adjust spark plug gap by bending outer electrode.
4. Tightensparkplugto150-170kg/cm(130-150in.lb.).
COOLING SYSTEM
Level2.
Tools required: 3mmHexwrench,25or50mm(1or2in.)cleaning
brush
Parts required: None if you are careful.
IMPORTANT
To maintain proper engine operating temperatures, cooling air
must pass freely through the cylinder fin area. This flow of air
carries combustion heat away from the engine.
Overheating and engine seizure can occur when:
• Air intakes in the crankcase are blocked, preventing cooling air from
reaching the cylinder.
• Dust and grass build up on the outside of the cylinder. This build up
insulates the engine and prevents the heat from leaving.
Removal of crankcase cooling passage blockages or cleaning of
cooling fins is considered “Normal Maintenance.” Any failure attrib-
uted to lack of maintenance is not warranted.

HEDGE CLIPPER
OPERATOR'SMANUAL 19
1. Remove spark plug lead and spark plug.
2. Remove (4) starter cover hex socket bolts and starter.
3. Remove bottom left (A) and bottom right (B) hex socket bolts from
cylindercover.
4. Remove heat shield bolt from the muffler cover.
5. Carefully pull cylinder cover forward disengagingmufflergasket
tabs and ignition lead and lay aside.
6. Loosely install spark plug to keep debris out of the cylinder. Use
brush to remove dirt from cylinder fins.
IMPORTANT
DO NOT use a metal scraper to remove dirt from the cylinder fins.
7. Assemble components in reverse order.
NOTE
When installing the cylinder cover, be certain the muffler gasket
tabs are locked into the muffler grill slots and the stop switch lead
is seated in the rubber grommet.
A
B

20
EXHAUST SYSTEM
Spark Arrestor Screen
Level2.
Tools required: 3mmHexwrench,CrossHeadScrewdriver,Soft
metal brush
Parts Required: Screen,Gasket
1. Remove engine cover. See “Cleaning Cooling System” for step by
step instructions.
2. Place piston at Top Dead Center (TDC) to prevent carbon/dirt from
enteringcylinder.
3. Remove exhaust guide(A),gasket(B),andscreen(C)frommuffler
body.
4. Clean carbon deposits from muffler components.
NOTE
When cleaning carbon deposits, be careful not to damage the
catalyticelementinsidemuffler.
5. Replace screen if it is cracked, plugged or has holes burned
through.
6. Assemble components in reverse order.
NOTE
When installing the cylinder cover, be certain the muffler gasket
tabs (D) are locked into the muffler grill slots and the stop switch
lead is seated in the rubber grommet.
Cylinder Exhaust Port
Level3.
IMPORTANT
The cylinder exhaust port must be inspected and cleaned of excess
carbon every 3 months or 90 hours of operation in order to maintain
this engine within the emissions durability period. ECHO strongly
recommends that you return your unit to your ECHO dealer for this
importantmaintenance service.
C
B
A
D