Echo Power Blend TC-210 User manual

TILLER/CULTIVATOR
OPERATOR'SMANUAL 1
Tiller/Cultivator
Operator's Manual
MODEL TC-210
Serial Number 07001001 - 07999999
WARNING DANGER
Readrulesforsafeoperationandinstructionscarefully. ECHOprovidesanOperator's
Manual,whichmustbereadandunderstoodforproperandsafeoperation.
X7504082600 X750004470
03/02

2
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 that you found in the
package. You will find it easy to use and full of helpful operations tips and SAFETY messages.
THE OPERATOR'SMANUAL
Read and understand this manual before operation. Keep it in a safe
place for future reference. It contains specifications and information for
operation, starting, stopping, maintenance, storage and assembly
specific to this product.
TABLE OF CONTENTS
Introduction .............................................................. 2
- The Operator's Manual ...................................... 2
Manual Safety Symbols and Important Information. 3
Safety .........................................................................3
- Decals..................................................................3
- InternationalSymbols .........................................4
Safety Instructions ....................................................4
- Personal Condition and Safety Equipment................ 4
- ExtendedOperation/ExtremeConditions .................. 5
- Equipment ................................................................. 5
- Safe Operation ........................................................... 6
Emission Control ................................................................ 6
Description ................................................................7
- Contents..............................................................7
Specifications.............................................................9
Assembly ................................................................. 10
Pre-Operation ........................................................... 11
- Fuel ................................................................... 11
Operation ................................................................. 12
- StartingColdEngine ......................................... 12
- StartingWarmEngine ....................................... 13
- Stopping Engine................................................ 13
Maintenance ............................................................ 14
- SkillLevels ........................................................ 14
- Maintenance Intervals ...................................... 14
- AirFilter ............................................................ 15
- FuelFilter .......................................................... 15
- SparkPlug ......................................................... 16
- CoolingSystemCleaning .................................. 16
- ExhaustSystem ................................................. 17
- Carburetor Adjustment ..................................... 18
- Lubrication ........................................................ 19
Troubleshooting ...................................................... 20
Storage..................................................................... 21
ServicingInformation............................................... 24
- Parts .................................................................. 24
- Service............................................................... 24
- ECHOConsumer ProductSupport .................... 24
- Warranty Card................................................... 24
- Additional or Replacement Manuals................. 24
Specifications,descriptions and illustrative materialin
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 equip-
ment.
CopyRight©2002ByEcho,Incorporated
All Rights Reserved.

TILLER/CULTIVATOR
OPERATOR'SMANUAL 3
IMPORTANT The enclosed
message provides information
necessary for the protection of the
unit.
Thissymbol accompanied by thewords WARNING
andDANGER calls attention to an act or condition that
can lead to serious personal injury to operator and
bystanders.
SAFETY SYMBOLS AND IMPORTANT INFORMATION
Throughout this manual and on the product itself, you will find safety
alerts and helpful, information messages preceded by symbols or key
words. The following is an explanation of those symbols and key words
and what they mean to you.
The circle with the slash symbol means whatever is
shown within the circle is prohibited. NOTE This enclosed message
provides tips for use, care and
maintenance of the unit.
SAFETY
DECALS
Locate these safety decals on your unit. The complete unit illustration found in the "DESCRIPTION" section, will help
you locate them. Make sure the decals are legible and that you understand and follow the instructions on them. If a
decal cannot be read, a new one can be ordered from your ECHO dealer. See PARTS ORDERING instructions for specific
information.
IMPORTANT
NOTE
P/N 89016811760
P/N X505001100
TC-210

4
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
Operator's Manual.
Wear eyes, ears and
head protection
Emergency stop
Fuel and oil mixture
Finger Severing
Carburetoradjustment
- Low speed mixture
Safety/Alert
Avoid all power
lines. This unit is
not insulated
against electrical
current.
Wear hand
protection. Use
two handed.
DO NOT smoke
near fuel.
DO NOT allow
flames or sparks
near fuel.
Wear slip
resistant foot
wear.
Engine choke
control.
Ignition
ON/OFF
Primer
bulb
INTERNATIONALSYMBOLS
SAFETYINSTRUCTION
PERSONAL CONDITION AND SAFETY EQUIPMENT
WARNING DANGER
Tiller/Cultivator users risk injury to themselves and others if the tiller/cultivator is used improperly and or safety
precautions are not followed. Proper clothing and safety gear must be worn when operating a tiller/cultivator. Failure
to do so can result in serious injury.
Physical Condition --
Your judgment and physical dexterity may not be good:
- if you are sick,
-if youare taking medication,
- if you have taken alcohol or drugs.
Operate unit only if you are physically and mentally well.
Eye Protection --
WearEyeprotectionthatmeetANSIZ87.1orCErequire-
ments whenever you operate the unit.
Hand Protection --
Wear no-slip, heavy duty work gloves in improve your
grip on the Tiller/Cultivator handles. Gloves also reduce
the transmission of machine vibration to your hands.
Hearing Protection --
ECHOrecommendswearinghearingprotectionwhenever
unit is used.
Proper Clothing --
Wear snug fitting, durable clothing;
- Pants should have long legs, shirts with long sleeves.
- Wear hair covering to contain long hair.
-DONOTWEARSHORTS,
-DONOTWEARTIES,SCARFS,JEWELRY.
Wear sturdy work shoes with non-skid soles;
-DONOTWEAROPENTOEDSHOES,
-DONOTOPERATEUNITBAREFOOTED.
Wear no-slip, heavy duty work gloves.
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
arecooler.

TILLER/CULTIVATOR
OPERATOR'SMANUAL 5
EXTENDED OPERATION/EXTREME CONDITIONS
Vibration and Cold --
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
recommendedbecausethe minimum exposure which mighttriggerthe
ailmentisunknown.
• Keep your body warm, especially the head, neck, feet, ankles, hands
and wrists.
• Maintain good blood circulation by performing vigorous arm
exercises during frequent work breaks and also by not smoking.
• Limit the hours of operation. Try to fill each day with jobs where
operating the trimmer 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.
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 risk for developing a Repetitive Stress
Injury(RSI).AnextremeRSIconditionisCarpalTunnelSyndrome
(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.
• Takeperiodicbreakstominimizerepeti-
tion and rest your hands.
• Reduce the speed & force in which you
do the repetitive movement.
• Do exercises to strengthen the hand and
armmuscles.
• 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
likelypermanent nerve and muscle
damage can be prevented.
EQUIPMENT
Before operation a complete check of the unit must be performed;
• 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.
• Inspect shield for damage and ensure that the shield is securely in
place. Replace if shield is damaged or missing.
• Check that the tines are firmly attached and in safe operating
condition.
• Keep exhaust area clear of flammable debris. Avoid contact during
andimmediatelyafteroperation.

6
SAFE OPERATION
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.
• Provide all operators of this equipment with the Operator's Manual,
and instructions for safe operation.
• Review the area to be tilled. Look for hazards that could contribute to
unsafe conditions.
• Spectators and fellow workers must be warned, and children and
animalspreventedfromcomingnearerthan15m(50ft.)whilethe
tiller/cultivatoris in use.
• Do not operate this product indoors or in inadequately ventilated
areas.
IMPORTANT ENGINE INFORMATION
ENGINEFAMILY : 2EHXS.0214ED DISPLACEMENT :21.2cc
EMISSIONCOMPLIANCE PERIOD: 300 HOURS
THISENGINEMEETSU.S.EPAPH2 EMISSION
REGULATIONSFORSMALLNONROAD ENGINE. REFER
TOOWNER'S MANUALFOR MAINTENANCE SPECIFICA-
TIONS AND ADJUSTMENTS.
EMISSION CONTROL
EPA Phase 2
The emission control system for these engines are EM (Engine Modification).
EmissionControlLabel (locatedonEngine) (EXAMPLEONLY,informationonlabelvariesbyFAMILY).
PRODUCT EMISSION 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.

TILLER/CULTIVATOR
OPERATOR'SMANUAL 7
DESCRIPTION
The ECHO product you purchased has been factory pre-assembled for your convenience. Due to packaging restrictions
some assembly is required.
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.
CONTENTS
____ 1 - Power Head & Shield Assembly
____ 1 - Upper Handle Assembly
____ 1 - LeftLowerHandle
____ 1 - RightLowerHandle
____ 2 - Lower Handle Mounting Brackets
____ 1 - PlasticBag(Co-Pack)
____ - 1,1/4"x3"HexHeadShoulderBolt
____ - 1,1/4"x3-1/4"HexHeadShoulderBolt
____ - 2,1/4" Lock Washers
____ - 2,1/4" LockNuts
____ - CarryHandle
____ - CableTie
____ - Operator's Manual
____ - WarrantyCard&Limited
Warranty Statement
____ - HardwareBag
____ - 2,10mmx30mmCarriageBolt
____ - 2,10mmnut
____ - 2,10mmLockWasher
____ - Bottle2-CycleEngineOil

8
1. STOP SWITCH - "Toggle Switch" mounted on top of Throttle Trigger Housing. Move switch Forward to Run, Back
to Stop.
2. THROTTLETRIGGER-Springloadedtoreturntoidlewhenreleased.Whenaccelerating,pulltriggergraduallyfor
best operating technique. DO NOT hold trigger when starting.
3. MUFFLER/SPARKARRESTOR-Themufflercontrolstheexhaustnoisewhilethesparkarrestorpreventhot,
glowing particles of carbon from leaving the muffler where they could possibly start a fire.
4. RECOILSTARTERHANDLE-Pullrecoilhandleslowlyuntilstarterengages,thenpullquicklyandfirmly.When
engine starts, return handle slowly. DO NOT let handle snap back or damage to unit will occur.
5. FUELTANK-Containsfuelandfuelfilter.
6. FUELTANKCAP-Coverandsealsfueltankopening.
7. PRIMER BULB - Pumping primer bulb before starting engine draws fresh fuel from the fuel tank priming the
carburetor for starting. Pump primer bulb until fuel is visible and flows freely in the clear fuel tank return line. Pump
bulb an additional 4 or 5 times.
8. AIR CLEANER-Containsreplaceablefilterelement.
9. CHOKE - The choke control is located on the side of the air filter case. Move choke to "COLD START" to close the
choke for cold starting. Move choke to "RUN" position to open choke.
10. GEAR BOX- Houses gears for driving tines.
11. TINES-Usedto tillorcultivate soil.Removableforcleaning.
12. CARRYING HANDLE-Useforconvenienttransportation.
13. TINE GUARD- Used to help deflect debris away from operator and reduce accidental contact of tines.
14. SAFETY DECAL-SeeDescriptiononPage4.
15. SAFETY DECAL-SeeDescriptiononPage4.

TILLER/CULTIVATOR
OPERATOR'SMANUAL 9
SPECIFICATIONS
MODEL -----------------------------------------------------TC-210
Length------------------------------------------------------- 1130mm(44.48in.)
Width--------------------------------------------------------340mm(13.36in.)
Height -------------------------------------------------------1010mm(39.76in.)
Weight (dry) w/Tines -------------------------------------8.62kg(19lb.)
Engine Type ------------------------------------------------Air cooled, two-stroke, single cylinder gasoline engine
Bore----------------------------------------------------------32.2mm(1.268in.)
Stroke--------------------------------------------------------26.0mm(1.04in.)
Displacement -----------------------------------------------21.2cc(1.29cu.in.)
Exhaust ------------------------------------------------------SparkArrestorMuffler
Carburetor --------------------------------------------------ZamadiaphragmmodelC1Uw/primerbulb
Ignition System --------------------------------------------Flywheel magneto, capacitor discharge ignition type
SparkPlug --------------------------------------------------NGKBPMR-8Y Gap0.65mm(0.026in.)
Fuel ----------------------------------------------------------Mixed(GasolineandTwo-strokeOil)
Fuel/OilRatio -----------------------------------------------50:1ECHOHighPerformance,two-strokeaircooledengineoil
Gasoline -----------------------------------------------------89 Octane unleaded. DO NOT use fuel containing methyl alcohol,
morethan 10%ethylalcoholor 15%MTBE.
Oil ------------------------------------------------------------50:1ECHOHighPerformance,two-strokeaircooledengineoil
FuelTank Capacity ----------------------------------------0.5lit.(17.0USfl.oz.)
RecoilStarterSystem --------------------------------------AutomaticRewindStarter
Clutch -------------------------------------------------------CentrifugalType
GearCase ---------------------------------------------------WormGearType(42:1Ratio)
Tines --------------------------------------------------------Special 10 Tooth Design
•229mm(9in.)Cultivatingswath1/4tines
•229mm(9in.)Diameter
Idle Speed---------------------------------------------------2700-3300RPM
Wide Open Throttle Speed (W.O.T.) -------------------- 9,000-11,000RPM
IMPORTANTThissparkignitionsystemsystemcomplieswithCanadianICES-002.

10
AB,C
E
F,G H
DB,C
ASSEMBLY
Tools Required: (2)11mm(7/16in.) Wrenches
1. Support powerhead assembly upright on tines. Place top handle
assembly to rear.
2. Loosleyassemblelowerhandlesusing6.35x76mm(1/4in.x3in.)
hex head shoulder bolt (A), lockwasher (B), and locknut (C) in front
handle end mounting hole as shown.
3. Slide open end of lower handle assembly, front to rear, beneath
powerhead and throttle linkage/ignition wires.
4. Place handle tubes into gearcase handle mounting grooves and
assembleusing6.35x82.5mm(1/4in.x3-1/4in)hexheadshoulder
bolt (D), lockwasher (B), and locknut (C) in rear handle mounting
holes.DONOTTIGHTENBOLTS.
5. Slide carry handle onto lower handle tubes.
6. Place top handle assembly between lower handles, align mounting
holesand install (2) 10 x 30mm carriage bolts(E),(2)lockwashers
(F), and (2) nuts (G). Carriage bolts should be installed from the
outside through the lower handle then upper handle tube.
7. Securely tighten lower handle bolts first, then the upper handle
bolts.
8. Secure throttle linkage and stop switch lead midway on right lower
handle with cable tie.

TILLER/CULTIVATOR
OPERATOR'SMANUAL 11
PRE-OPERATION
FUEL
Fuel Requirements
Gasoline - Use 89 Octane [ ] (mid grade or higher) gasoline known to
be good quality. Gasoline may contain up to 15% MTBE (methyl
tertiary-butylether). Gasoholcontaining methyl (wood) alcohol isNOT
approved.
TwoStrokeOil-Atwo-strokeengineoilmeetingISO-L-EGD(ISO/CD
13738)andJ.A.S.O.FCStandards, must beused. Echo brand Premium
50:1 oil meets these standards. Engine problems due to inadequate
lubricationcaused by failure to use anISO-L-EGDandJ.A.S.O.FC
certifiedoil,suchasEchoPremium50:1Two-strokeOil,willvoidthe
two-stroke engine warranty. (Emission related parts only are covered
for two years, regardless of two-stroke oil used, per the statement listed
intheEmissionDefectWarrantyExplanation.)
IMPORTANT
EchoPremium2-StrokeOilmaybemixedat50:1ratioforapplica-
tion in all Echo engines sold in the past regardless of ratio
specified in those manuals.
Mixing Instructions
1. Fill an approved fuel container with half of the required amount of
gasoline.
2. Add 2-stroke oil to gasoline.
3. Close container and shake to mix oil with gasoline.
4. Addremaininggasolineandremix.
5. Install fuel container cap and wipe any spilled fuel from container
and surrounding area.
Handling Fuel
WARNING DANGER
FuelisVERYflammable.Useextremecarewhenmixing,storingor
handling,orseriouspersonalinjurymayresult.
• Use an approved fuel container.
• DONOTsmokenearfuel.
• DONOTallowflamesorsparksnearfuel.
• Fuel tanks/cans may be under pressure. Always loosen fuel caps
slowly allowing pressure to equalize.
• NEVERrefuelaunitwhen theengineisHOT!
• NEVERrefuel aunitwiththeengine running.
• DONOT fill fuel tanksindoors.ALWAYSfillfueltanksout
doors over bare ground.
• Securely tighten fuel cap after refueling.
• Inspect for fuel leakage. If fuel leakage is found, do not start or
operate unit until leakage is repaired.
R + M
2IMPORTANT
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.ContactyourECHOdealer
fororderinginformation.
AfterRefueling;
• Wipe any spilled fuel from the unit.
• Moveatleast3m(10ft.)fromrefueling
location before starting the engine.
Afteruse;
• 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, air tight container. Store in a well
ventilated, unoccupied building, away from
sparks and flames. Do not store fuel longer
than 30 days.
IMPORTANT
Storedfuelages. Do not mixmorefuel
than you expect to use in thirty (30)
days, ninety (90) days when a fuel
stabilizeris added.
IMPORTANT
Stored two-stroke fuel may separate.
ALWAYS shake fuel container thor-
oughly before each use.

12
OPERATION
• Provide all operators of this equipment with the Operator's Manual
and instructions for safe operation.
• Before starting the unit, equip yourself and any other person
workingwithin the 15M (50 ft.)Safety Zone with the required
Protective Equipment and clothing.
• During operation, the complete unit, especially the engine and the
gear housing may become very hot, too hot to touch. Avoid contact
duringandimmediatelyafteroperation.
• Do not operate this product indoors or in inadequately ventilated
areas.
STARTING COLD ENGINE
WARNING DANGER
The tines should not move at idle. If tines move, readjust carburetor
according to "Carburetor Adjustment" instructions in this manual
or see your ECHO Dealer, otherwise serious personal injury may
result.
1. Stop Switch
Move Stop Switch (A) to START position.
2. Choke
Move choke (B) to START (closed) position. Throttle must remain
at idle for starting.
3. Primer
Pump primer bulb (C) until fuel is visible and flows freely in the
clear fuel tank return line. Pump bulb an additional 4 or 5 times. B
C

TILLER/CULTIVATOR
OPERATOR'SMANUAL 13
4. Recoil Starter
Pull recoil starter rope until engine fires.
5. Choke
Move choke (B) to RUN (open) position.
6. Recoil Starter
Pull recoil starter rope until engine fires.
WARNING DANGER
When engine starts, the tines may move even with the throttle
trigger in idle (released) position.
STARTING WARM ENGINE
The starting procedure is the same as Cold Start except DO NOT close
thechoke(B).
NOTE
If engine does not start after 5 pulls, use Cold Start Procedure.
1. Stop Switch
Move Stop Switch (A) to START position.
2. Primer
Pump primer 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. Choke
Be certain choke (B) is open.
4. Recoil Starter
Pull recoil starter rope.
5. Start
Start engine at idle.
STOPPING ENGINE
1. Throttle Trigger
Release throttle and allow engine to return to idle before shutting
engine off.
2. Stop Switch
Move stop switch to STOP position (A).
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 tiller/
cultivator again.
B
C

14
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MAINTENANCE
Your ECHO tiller/cultivator is designed to provide many hours of trouble free service. Regular scheduled maintenance will
help your tiller/cultivator 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-YOUR-
SELF or have the ECHO Dealer do it, each maintenance task has been graded. If the task is not listed, see your ECHO
dealerforrepairs.
SKILL LEVEL
Level1= Easy to do. Most required tools come with unit.
Level2= Moderate difficulty.Some specialized tools may berequired.
Level3= Experiencerequired.Specializedtoolsarerequired.ECHOrecommends
that the unit be returned to your ECHO Dealer for service.
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.
MAINTENACEINTERVALS

TILLER/CULTIVATOR
OPERATOR'SMANUAL 15
AIR FILTER
Level1.
Tools required: 25-50mm(1-2in.)mediumbristlepaintbrush.
Parts required: 90008REPOWERTMAIR&FUELFILTERKIT.
1. Close choke (Cold Start Position). This prevents dirt from entering
the carburetor throat when the air filter is removed. Brush accumu-
lated dirt from the air cleaner area.
2. Remove the air cleaner cover. Clean and inspect the element for
damage. If element is fuel soaked and very dirty, replace.
3. If element can be cleaned and reused, be certain it:
-still seals the cavity in the air cleaner cover.
-is installed with the original side out.
NOTE
Carburetor adjustment may be needed after air filter cleaning/
replacement. See Carburetor Adjustment Section.
FUEL FILTER
Level1.
Tools required: Fuellinehook.200-250mm(8-10in.)lengthofwire
with one end bent into a hook. Clean rag, funnel, and
an approved fuel container.
Parts required: 90008REPOWERTM AIR&FUELFILTERKIT
WARNING DANGER
FuelisVERYflammable.Useextremecarewhenmixing,storingor
handling, or serious personal injury may result.
1. Use a clean rag to remove loose dirt from around fuel cap and
empty fuel tank.
2. Use the “fuel line hook” to pull the fuel line and filter (A) from the
tank.
3. Remove the filter (A) from the line and install the new filter.

16
SPARK PLUG
Level2.
Tools Required: Spark Plug socket wrench and screw driver, Feeler
gauge. Preferably a wire gauge.
Parts Required: SparkPlug,NGK-BPMR-8Y
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.Remainingsandwilldamageengine.
3. Adjust spark plug gap by bending outer electrode.
4. Tightensparkplugto145-155kg/cm(125-135in.lb.).
COOLING SYSTEM CLEANING
Level2.
Tools required: CrossHeadScrewdriver, 3mmHexwrench,Pointed
WoodStick,25-50mm(1-2in.)mediumbristle
paint brush.
Parts Required: None.
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 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 cooling passage blockages or cleaning of cooling fins is
considered “Normal Maintenance”. Any failure attributed to lack of
maintenance is not warranted.
1. Remove spark plug lead, spark plug, and throttle cable end from the
carburetor swivel.
2. Remove four screws from starter cover, lift the cover from the
engine and lay to the side.
NOTE
The throttle linkage remains assembled to the cover.
0.65 mm
(0.026 in.)

TILLER/CULTIVATOR
OPERATOR'SMANUAL 17
3. Remove bottom right (A) and bottom left (B) screws from cylinder
cover.
4. Carefully pull cylinder cover forward disengaging muffler gasket
tabs and ignition lead and lay aside.
5. 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.
6. 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 relief notch.
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
importantmaintenanceservice.
EXHAUST SYSTEM
Spark Arrestor Screen
Level2.
Tools Required: CrossHeadScrewdriver. 3mmHexwrench.
Soft metal brush. Wooden carbon scraper.
Parts Required: SparkArrestorScreenP/N14586240630,
GasketP/N14586642031
1. Remove screen cover (A), screen holder (B), and gasket (C) from
mufflerbody.
2. Clean carbon deposits from and muffler components.
3. Replace screen if it is cracked, plugged or has holes burned
through.
4. Install with new gaskets.
AB
C
B
A

18
CARBURETORADJUSTMENT
Level2.
Tools required: Screwdriver,Tachometer(ECHOP/N99051130017).
Parts required: None.
NOTE
Every unit is run at the factory and the carburetor is set in compli-
ance with emission regulations. In addition, the carburetor is
equipped with HI (A) and LO (B) needle adjustment limiters that
prevent settings outside acceptable limits.
1. Before adjusting the carburetor, clean or replace the air filter and
spark arrester screen.
2. Start engine and run for several minutes to reach operating
temperature.
3. Stop engine. Turn HI (A) speed needle CCW (counter clockwise)
to stop. Turn LO (B) speed needle midway between full CCW and
CW (clockwise) stops.
4. Idle Speed Adjustment.
-Start engine and turn idle speed adjustment screw (C), CW until
the tines begin to turn, then turn the screw CCW until tines stop
turning. Turn screw CCW an additional 1/4 turn.
5. Accelerate to full throttle for 2-3 seconds to clear excess fuel from
engine then return to idle. Accelerate to full throttle to check for
smooth transition from idle to full throttle. If engine hesitates, turn
LO (B) needle CCW an additional 1/8 turn and repeat acceleration.
Continue adjusting until smooth acceleration results.
6. Check HI (A) speed RPM at W.O.T. (Wide Open Throttle). HI
speed RPM should be set to specifications found on page 9
"Specifications" of this manual.
7. Check idle speed and reset if necessary. If a tachometer is avail-
able, idle speed should be set to the specification found on page 9
"Specifications" of this manual.
WARNING DANGER
When carburetor adjustment is completed, tines should not move
at idle, otherwise serious personal injury may result.
AB
C

TILLER/CULTIVATOR
OPERATOR'SMANUAL 19
LUBRICATION
Level1.
Tools Required: CrossheadScrewDriver
Parts Required: LithiumBaseGrease.
Gear Housing
1. Remove tines (See Tine Removal - Installation).
2. Clean dirt from area around gear cover (A) and remove four (4)
crosshead screw (B). Be careful not to tear sealing gasket (C).
3. Support tiller with exposed gear case (D) upward. Add #0 lithium
grease until nearly level with top of gear case (D).
IMPORTANT
Do not over fill. Too much grease will cause pressure and possible
sealfailure.
Cleaning Tines
(AfterEachUse)
NOTE
Wear gloves to protect hands from sharp blades.
1. Remove weeds, etc. from tines and wash dirt from unit.
Tine Removal - Installation
WARNING DANGER
Stop engine and disconnect spark plug wire before removing or
installing tines. Contact with revolving tines will cause severe
injury.
1. Remove retaining pin (E) and slide tine from shaft.
2. Clean accumulated dirt and debris form gear housing and tine
shaft.
3. Slide tine on shaft, D-hole (hole with flat on one side) goes to the
outside, install retaining pin.

20
TROUBLESHOOTING
WARNING DANGER
Fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark by grounding
spark plug against cylinder, otherwise serious personal injury may result.
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