X7732272601
© 3/2019 ECHO Inc.
Operator’s
Manual
GT-225L
GRASS
TRIMMER
The engine exhaust from this product contains chemicals known
to the State of California to cause cancer, birth defects, or other
reproductive harm.
Read and understand all provided literature before use.
Failure to do so could result in serious injury.
TABLE OF CONTENTS GT-225L
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TABLE OF CONTENTS
Table of Contents........................................................................................ 2
Introduction ................................................................................................. 3
Servicing Information .................................................................................. 3
Parts/Serial Number............................................................................. 3
Service................................................................................................. 4
ECHO Consumer Product Support...................................................... 4
Product Registration ............................................................................ 4
Additional Literature............................................................................. 4
Safety.......................................................................................................... 4
Manual Safety Symbols and Important Information............................. 4
International Symbols .......................................................................... 5
Personal Condition and Safety Equipment .......................................... 7
Equipment.......................................................................................... 12
Emission Control (Exhaust & Evaporative) .............................................. 13
CARB And EPA Emissions Control Information ................................ 13
Description ................................................................................................ 14
Contents.................................................................................................... 16
Assembly................................................................................................... 16
Shield Installation............................................................................... 16
Support Handle.................................................................................. 17
Operation .................................................................................................. 17
Fuel.................................................................................................... 18
Starting Cold Engine.......................................................................... 21
Starting Warm Engine........................................................................ 22
Stopping Engine ................................................................................ 24
Maintenance ............................................................................................. 24
Skill Levels ......................................................................................... 25
Maintenance Intervals........................................................................ 25
Air Filter ............................................................................................. 26
Fuel Filter........................................................................................... 27
Spark Plug ......................................................................................... 28
Cooling System.................................................................................. 28
Exhaust System................................................................................. 30
Carburetor Adjustment....................................................................... 32
Lubrication ......................................................................................... 33
Nylon Line Replacement.................................................................... 34
Troubleshooting ........................................................................................ 35
Storage ..................................................................................................... 37
Long Term Storage (Over 30 Days)................................................... 37
Specifications............................................................................................ 38
Product Registration.................................................................................. 40
Notes......................................................................................................... 42
GT-225L INTRODUCTION
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INTRODUCTION
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.
Read and understand all provided literature.
Literature contains specifications and
information for safety, operation,
maintenance, storage and assembly specific
to this product. Scan QR codes for more
information.
For additional literature, including safety manuals where applicable, or
questions regarding terms used in this manual, visit:
https://www.echo-usa.com/manuals
OR
https://www.shindaiwa-usa.com/manuals
SERVICING INFORMATION
Parts/Serial Number
Genuine ECHO Parts and
Assemblies for your ECHO products
are available only from an
Authorized ECHO Dealer. When you
do need to buy parts always have
the Model Number and Serial
Number of the unit with you. For
future reference write them in the
space provided below.
Model No. _______________
Serial No. _______________
SAFETY GT-225L
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Service
Service of this product during the warranty period must be performed by an
Authorized ECHO Service Dealer. For the name and address of the
Authorized ECHO Service Dealer nearest you, ask your retailer or call:
1-800-432-ECHO (3246). Dealer information is also available on our Web
Site www.echo-usa.com. When presenting your unit for Warranty service/
repairs, proof of purchase is required.
ECHO Consumer Product Support
If you require assistance or have questions concerning the application,
operation, or maintenance of this product, call the ECHO Consumer
Product Support Department at 1-800-432-ECHO (3246) from 8:00 am to
5:00 pm (Central Standard Time) Monday through Friday. Before calling,
please know the model and serial number of your unit.
Product Registration
Register your ECHO equipment on-line at www.echo-usa.com or by filling
out the product registration sheet included in this manual. Registering your
product confirms warranty coverage and provides a direct link to ECHO if
we find it necessary to contact you.
Additional Literature
In addition to finding information online, information is available from your
Authorized ECHO Service Dealer, or by contacting ECHO Inc., 400
Oakwood Road, Lake Zurich, IL 60047 (1-800-432-ECHO (3246)).
Safety Videos are available from your Authorized ECHO Service Dealer. A
$5.00 shipping charge is required for each video.
SAFETY
Manual Safety Symbols and Important Information
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.
GT-225L SAFETY
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The safety alert symbol accompanied by the word “DANGER”
calls attention to an act or condition which WILL lead to serious
personal injury or death if not avoided.
The safety alert symbol accompanied by the word “WARNING”
calls attention to an act or condition which CAN lead to serious
personal injury or death if not avoided.
The safety alert symbol accompanied by the word “CAUTION”
calls attention to an act or condition which may lead to minor or
moderate personal injury if not avoided.
The enclosed message provides information necessary for the
protection of the unit.
Note: This enclosed message provides tips for use, care and
maintenance of the unit.
CIRCLE AND SLASH SYMBOL
This symbol means the specific action shown is prohibited.
Ignoring these prohibitions can result in serious or fatal injury.
International Symbols
Symbol Description Symbol Description
Warning, See
Operator’s Manual
Carburetor Adjustment -
High Speed Mixture
Wear Eye, Ear and
Head Protection
Carburetor Adjustment -
Idle Speed
H
T
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Wear Hand
and Foot Protection
Carburetor Adjustment -
Low Speed Mixture
Safety/Alert Emergency Stop
Hot Surface Fuel and Oil Mixture
Do not operate without
guards and shields in
place.
Do not use blades.
String line only.
Avoid all power lines.
This unit is not
insulated against
electrical current.
Plan retreat path from
falling objects
DO NOT Allow Flames
or Sparks Near Fuel
Ignition
ON / OFF
DO NOT Smoke Near
Fuel
Primer Bulb
Choke Control “RUN”
Position (Choke
Open)
Choke Control “COLD
START” Position
(Choke Closed)
Keep Bystanders and
Helpers
Away 15 m (50 ft.).
Rotating Cutting
Attachment
Symbol Description Symbol Description
L
GT-225L SAFETY
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Personal Condition and Safety Equipment
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
The muffler or catalytic muffler and surrounding cover
may become extremely hot. Always keep clear of
exhaust and muffler area, otherwise serious personal
injury may occur.
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.
Do not exceed
10,000 RPM
Wear slip resistant
footwear
Symbol Description Symbol Description
SAFETY GT-225L
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Physical Condition
Your judgment and physical dexterity may not be good:
• If you are tired or sick
• If you are taking medication
• If you have taken alcohol or drugs
Operate unit only if you are physically and mentally well.
Eye Protection
◆ Eye protection that meets ANSI Z87.1 or CE requirements
must be worn whenever you operate the unit.
◆ For additional safety, a full-face shield may be worn over
safety glasses or goggles to provide protection from sharp
branches or flying debris.
Hand Protection
Wear sturdy, no-slip, rubber work gloves to improve your grip on the
handles. Gloves also provide protection against cuts and scratches, cold
environments, and reduce the transmission of machine vibration to your
hands.
Hearing/Ear Protection
ECHO recommends wearing personal protection whenever unit is used.
Breathing Protection
Operators who are sensitive to dust or other common airborne allergens
may need to wear a dust mask to prevent inhaling these materials while
operating unit. Dust masks can provide protection against dust, plant debris,
and other plant matter such as pollen. Make sure the mask does not impair
your vision, and replace the mask as needed to prevent air restrictions.
Proper Clothing
Wear snug-fitting, durable clothing:
• Pants should have long legs, shirts should have long sleeves.
• DO NOT WEAR SHORTS.
GT-225L SAFETY
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• DO NOT WEAR TIES, SCARVES, JEWELRY, or clothing with loose or
hanging items that could become entangled in moving parts or
surrounding growth.
• Keep clothing buttoned or zipped, and keep shirt tails tucked in.
Wear sturdy work shoes with nonskid rubber soles:
• DO NOT WEAR OPEN TOED SHOES.
• DO NOT OPERATE UNIT BAREFOOTED.
Keep long hair away from engine and air intake. Retain hair with cap or net.
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.
The components of this machine generate an electromagnetic
field during operation, which may interfere with some
pacemakers. To reduce the risk of serious or fatal injury,
persons with pacemakers should consult with their physician
and the pacemaker manufacturer before operating this
machine. In the absence of such information, ECHO does not
recommend the use of this machine by anyone who has a
pacemaker.
Extended Operation / Extreme Conditions
Prolonged exposure to cold and/or vibration may result in
injury. Read and follow all safety and operation instructions to
minimize risk of injury. Failure to follow instructions may result
in painful wrist/hand/arm injuries.
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 recommended, because the
minimum exposure, which might trigger the ailment, is unknown.
• Keep your body warm, especially the head, neck, feet, ankles, hands, and
wrists.
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• 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 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.
Repetitive Stress Injuries (RSI)
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). An
extreme RSI condition is 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 movement.
• Do exercises 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.
GT-225L SAFETY
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All over head electrical conductors and communications wires
can have electricity flow with high voltages. This unit is not
insulated against electrical current. Never touch wires directly
or indirectly, otherwise serious injury or death may result.
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 literature for instructions on Safe
Operation.
Clear the Work Area
• Spectators and fellow workers must be warned, and children and animals
prevented from coming nearer than 15 m (50 ft.) while the unit is in use.
Keep a Firm Grip
• Always hold throttle handle and support handle with thumbs and fingers
tightly 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 and immediately after
operation.
SAFETY GT-225L
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Equipment
Use only approved attachments. Serious injury may result from
the use of a non-approved attachment combination. ECHO INC.
will not be responsible for the failure of cutting devices,
attachments or accessories which have not been tested and
approved by ECHO INC. Read and comply with all safety
instructions.
◆ Check unit for loose or missing nuts, bolts, and screws.
Tighten or replace as needed.
◆ Inspect shield for damage and ensure that shield is
properly installed, and that the cut-off knife is securely in
place. Replace if either is damaged or missing.
◆ Check that the cutting attachment is firmly attached and in
safe operating condition.
◆ Assure that throttle trigger, throttle trigger lockout, and
stop switch all work properly.
◆ Check that handle and harness (if included) are adjusted
for safe, comfortable operation. See Assembly Section for
proper adjustment.
Moving parts can amputate fingers or cause severe injuries.
Keep hands, clothing and loose objects away from all openings.
◆ ALWAYS stop engine, disconnect spark plug, and make
sure all moving parts have come to a complete stop before
assembling unit, removing obstructions, clearing debris, or
servicing unit.
◆ Do not connect spark plug lead to spark plug unitl unit is
ready for use.
◆ DO NOT start or operate unit unless all guards and
protective covers are properly assembled to unit.
◆ NEVER reach into any opening while the engine is running.
Moving parts may not be visible through openings.
◆ Position wiring safely to prevent snagging, separation of
connectors, or breakage during operation. Gather excess
wire, and secure with wiring clamp if provided on
equipment, or tuck behind the air filter area. Do not place
wiring directly against hot engine components.
GT-225L EMISSION CONTROL
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◆ Check wiring and connectors for nicks, cuts, exposed wire,
or other damage, and repair or replace as needed. Exposed
wire or connectors can cause shocks, sparks, and risk of
fire or explosion, resulting in serious injury.
◆ Check wire terminals for secure connections.
Periodically Check fuel system (fuel lines, vent, grommet, fuel
tank, and fuel cap) for leaks especially if the unit is dropped. If
damage or leaks are found, do not use unit, otherwise serious
personal injury or property damage may occur. Have unit
repaired by an authorized servicing dealer before using.
EMISSION CONTROL (EXHAUST &
EVAPORATIVE)
CARB And EPA Emissions Control Information
The emission control system for
the engine is EM (engine
modification) and, if the second to
last character of the Engine Family
on the Emission Control
Information label (sample below) is
“B”, “C”, “K”, or “T”, the emission
control system is EM and TWC (3-
way catalyst). The fuel tank/fuel
line emission control system is EVAP (evaporative emissions). Evaporative
emissions for California models are only applicable to fuel tanks.
An Emission Control Label is
located on the engine. (This is an
EXAMPLE ONLY, information on
label varies by engine FAMILY).
DESCRIPTION GT-225L
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Product Emission Durability (Emission Compliance Period)
The 50 or 300 hour emission 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.
DESCRIPTION
Locate the safety decal(s) on your unit. Make sure the decal(s) is legible and
that you understand and follow the instructions on it. If a decal cannot be
read, a new one can be ordered from your ECHO dealer. Safety label is for
example only. Your label my appear slightly different.
10
4
5
6
7
8
2
3
9
11
12
13
14
15
16
17
18
19
1
GT-225L DESCRIPTION
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1. POWER HEAD
2. THROTTLE HANDLE - FOR RIGHT HAND
3. STOP SWITCH
4. SUPPORT HANDLE - FOR LEFT HAND
5. DRIVE SHAFT ASSEMBLY
6. NYLON CUTTER HEAD
7. PLASTIC DEBRIS SHIELD ASSEMBLY
8. CUT-OFF KNIFE
9. THROTTLE TRIGGER
10. TOP GUARD
11. SPARK ARRESTOR MUFFLER OR SPARK ARRESTOR MUFFLER
WITH CATALYST
12. FUEL TANK
13. RECOIL STARTER/HANDLE
14. FUEL TANK CAP
15. PURGE BULB
16. CHOKE
17. AIR CLEANER
18. SPARK PLUG
19. THROTTLE TRIGGER LOCKOUT
CONTENTS GT-225L
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CONTENTS
The ECHO product you purchased has been factory pre-assembled for your
convenience. Due to packaging restrictions, some assembly may be
necessary.
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.
ASSEMBLY
Shield Installation
Cut-off knife on debris shield has sharp edges. Avoid contact
when installing or removing line head.
Wear Gloves or personal injury may result:
◆ Cut-off knife is sharp.
◆ Gear case and surrounding area may be hot.
1. Remove wing nut (A), washer
(B), and bolt (C).
2. Snap the shield over the
bearing housing.
3. Install bolt (C), washer (B), and
wing nut (A).
1 Power Head / Drive Shaft Assembly
1 Operator’s Manual
1 Warranty Statement
1 Shield Assembly
Parts Required: Shield Assembly.
A
B
C
C
GT-225L OPERATION
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Support Handle
Note: Label shows minimum
spacing for Support
Handle location.
Note: Support Handle is pre-
installed. Re-
positioning and
tightening is all that is required.
1. Position Support Handle (A) in
comfortable operating position
and tighten wing nut (B). The
cutting attachment should be 5
- 7.5 cm (2 - 3 in.) above the
ground and as level as
possible.
OPERATION
Moving parts can amputate fingers or cause severe injuries.
Keep hands, clothing and loose objects away from all openings.
Always stop engine, disconnect spark plug, and make sure all
moving parts have come to a complete stop before removing
obstructions, clearing debris, or servicing unit.
Engine exhaust IS HOT, and contains Carbon Monoxide (CO), a
poison gas. Breathing CO can cause unconsciousness, serious
injury, or death. Exhaust can cause serious burns. ALWAYS
position unit so that exhaust is directed away from your face
and body.
A
B
A
OPERATION GT-225L
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Operation of this equipment may create sparks that can start
fires around dry vegetation. This unit is equipped with a spark
arrestor to prevent discharge of hot particles from the engine.
Metal cutters can also create sparks if the cutter strikes rocks,
metal, or other hard objects. Contact local fire authorities for
laws or regulations regarding fire prevention requirements.
Fuel
Diesel fuels and alternative fuels, such as E-15 (15% ethanol),
E -85 (85% ethanol) or any fuels not meeting ECHO
requirements are NOT approved for use in ECHO 2-stroke
gasoline engines. Use of diesel or alternative fuels may cause
performance problems, loss of power, overheating, fuel vapor
lock, and unintended machine operation, including, but not
limited to, improper clutch engagement. Diesel or alternative
fuels may also cause premature deterioration of fuel lines,
gaskets, carburetors and other engine components.
Fuel Requirements
Gasoline - Use 89 Octane [R+M/2] (mid grade or higher) gasoline known to
be good quality. Gasoline may contain up to 10% Ethanol (grain alcohol) or
15% MTBE (methyl tertiary-butyl ether). Gasoline containing methanol
(wood alcohol) is NOT approved. Use of ECHO branded fuel is
recommended to extend engine life in all air-cooled 2-stroke and 2/4-stroke
hybrid engines.
Two Stroke Oil - A two-stroke engine oil, such as ECHO branded 2-stroke
oils, meeting ISO-L-EGD (ISO/CD 13738) and J.A.S.O. FD
Standards must
be used. ECHO branded 2-stroke oils meet these standards. Engine
problems due to inadequate lubrication caused by failure to use an ISO-L-
EGD (ISO/CD 13738) and J.A.S.O. M345-FD
certified oil will void the two-
stroke engine warranty.
GT-225L OPERATION
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2-Stroke engine oil contains petroleum distillates and other
additives that may be harmful if swallowed. Heated oil can
release vapors that can cause flash fire, or ignite with explosive
force. Read and follow the oil manufacturer’s instructions, and
observe all safety warnings and precautions for handling
flammable liquids. For more detailed safety and first aid
information, visit www.echo-usa.com for a copy of the Material
Safety Data Sheet.
◆ KEEP OUT OF REACH OF CHILDREN.
◆ If swallowed, do not induce vomiting. CALL PHYSICIAN OR
A POISON CONTROL CENTER IMMEDIATELY.
◆ WEAR SAFETY GLASSES when mixing or handling.
◆ AVOID repeated or prolonged skin contact.
◆ AVOID inhaling oil mists or vapors.
ECHO branded 2-stroke oils may be mixed at 50:1 ratio for
application in all ECHO engines sold in the past regardless of ratio
specified in those manuals.
Handling Fuel
Fuel is VERY flammable. Use extreme care when mixing, storing
or handling, or serious personal injury may result.
◆ Use an approved fuel container. Mark fuel containers as
containing 2-stroke mixture fuel.
◆ DO NOT smoke near fuel.
◆ DO NOT allow flames or sparks near fuel.
◆ Fuel tanks/cans may be under pressure. Always loosen
fuel caps slowly allowing pressure to equalize.
◆ NEVER refuel a unit when the engine is HOT or RUNNING!
◆ DO NOT fill fuel tanks indoors. ALWAYS fill fuel tanks
outdoors over bare ground.
◆ DO NOT overfill fuel tank. Wipe up spills immediately.
◆ Securely tighten fuel tank cap and close fuel container
after refueling.
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◆ Inspect for fuel leakage. If fuel leakage is found, do not
start or operate unit until leakage is repaired.
◆ Move at least 3 m (10 ft.) from refueling location before
starting the engine.
Gasoline vapor is heavier than air, and can travel along the
ground to nearby sources of ignition such as electrical motors,
pilot lights, and hot or running engines. Vapors ignited by an
ignition source can flash back to the fuel container, resulting in
an explosion, fire, serious or fatal injuries, and extensive
property damage.
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, and remix.
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.
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.
• Empty the fuel tank prior to storing the unit. Return unused fuel to an
approved fuel storage container.
Stored fuel ages. Do not mix more fuel than you expect to use in 30
days, 90 days when a fuel stabilizer is added.
Fuel to Oil Mix – 50:1 Ratio
US Metric
Gas Oil Gas Oil
gal. fl.oz. L cc
12.65100
2 5.2 10 200
51325500
GT-225L OPERATION
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Stored two-stroke fuel may separate. ALWAYS shake fuel container
thoroughly before each use.
Used oil and gasoline, and soiled towels are hazardous waste
materials. Disposal laws vary by locality.
Starting Cold Engine
The attachment will operate immediately when the engine
starts, and could result in possible serious injury. Keep
movable parts of the attachment away from objects that could
become entangled or thrown, and surfaces that could cause
loss of control.
1. Stop Switch
Move stop switch button (A)
forward, away from the STOP
position.
2. Choke
Move choke lever (B) to COLD
START ( ) position.
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.
A
C
B
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4. Recoil Starter
Lay the unit on a flat area and
keep movable attachment parts
clear of all obstacles. Firmly
grasp throttle handle and throttle
trigger lockout with left hand and
fully depress throttle trigger to
wide open position. Rapidly pull
recoil starter handle/rope (D)
until engine fires (or maximum
five [5] pulls).
5. Choke
After engine fires (or 5 pulls), move choke (B) to the RUN ( ) (open)
position. Firmly grasp throttle handle and throttle trigger lockout with left
hand and fully depress throttle trigger to wide open position. Pull starter
handle/rope until engine starts and runs. Release throttle trigger and
allow unit to warm up at idle for several minutes.
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 throttle handle and support handle. Depress
the throttle trigger lockout, and gradually depress throttle trigger to
increase engine RPM to operating speed.
Starting Warm Engine
The starting procedure is the same as Cold Start except DO NOT close the
choke, and do not hold throttle trigger fully depressed.
The attachment should not move at idle, otherwise serious
personal injury may result.
Note: If attachment moves, readjust carburetor according to
“Carburetor Adjustment” instructions in this manual or see
your ECHO Dealer.
D
GT-225L OPERATION
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1. Stop Switch
Move stop switch button (A)
forward away from the STOP
position.
2. Purge Bulb
Pump purge bulb (C) until fuel is
visible in the “Clear” fuel return
line. Pump bulb an additional 4
or 5 times.
3. Recoil Starter
Lay the unit on a flat area and
keep movable attachment parts
clear of all obstacles. Firmly grip
throttle handle and throttle
trigger lockout with left hand.
Rapidly pull recoil starter
handle/rope (D) until engine
fires.
Note: If engine does not start
after 5 pulls, use Cold
Start Procedure.
A
C
D
MAINTENANCE GT-225L
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Stopping Engine
1. Throttle
Release throttle trigger and
allow engine to return to idle
before shutting off engine.
2. Stop Switch
Move stop switch button (A)
backward to STOP position.
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 unit
again.
MAINTENANCE
Moving parts can amputate fingers or cause severe injuries.
Keep hands, clothing and loose objects away from all openings.
Always stop engine, disconnect spark plug, and make sure all
moving parts have come to a complete stop before removing
obstructions, clearing debris, or servicing unit. Allow unit to
cool before performing service. Wear gloves to protect hands
from sharp edges and hot surfaces.
Operating a poorly maintained unit can result in serious injuries
to operator or bystanders. Always follow all maintenance
instructions as written, otherwise serious personal injury may
result.
A
GT-225L MAINTENANCE
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Your 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, we recommend that
you take your unit to a Servicing Dealer for maintenance. To help you decide
whether you want to DO-IT-YOURSELF or have the Dealer do it, each
maintenance task has been graded. If the task is not listed, see your Dealer
for repairs.
Skill Levels
Level 1 = Easy to do. Common tools may be required.
Level 2 = Moderate difficulty. Some specialized tools may be required.
Level 3 = See your dealer.
Click HERE or go to http://www.echo-usa.com/products/maintenance-kit
or
HERE https://www.shindaiwa-usa.com/you-can.aspx
For information about maintenance kits.
Maintenance Intervals
COMPONENT/SYSTEM
MAINTENANCE
PROCEDURE
REQURED
SKILL
LEVEL
Daily or Before Use
Air Filter
Inspect/Clean *
1Choke Shutter
Fuel System Inspect
2
Cooling System Inspect/Clean 2
Recoil Starter Rope Inspect/Clean *
1
Screws/Nuts/Bolts Inspect/Tighten/Replace *
Every Refuel
Fuel System Inspect
2
1
3 Months
MAINTENANCE GT-225L
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IMPORTANT NOTE - Time intervals shown are maximum. Actual use and
your experience will determine the frequency of required maintenance.
MAINTENANCE PROCEDURE NOTES:
1 Apply lithium based grease every 25 hours of use.
2 Low evaporative fuel tanks DO NOT require regular maintenance to
maintain emission integrity.
* Replacement is recommended based on the finding of damage or wear
during inspection.
Air Filter
Level 1.
1. Close choke (COLD START [ ] position). This prevents dirt from
entering the carburetor throat when the air filter is removed. Brush
accumulated dirt from air cleaner area.
Air Filter Replace *
1
Fuel Filter
Inspect *
Fuel Cap Gasket
Spark Plug
Inspect/Clean/Replace *
Muffler Spark Arrestor
2Cylinder Exhaust Port Inspect/Clean/De-carbon
Drive Shaft (Flex Cable Models) Grease
1
Gear Housing None –
Yearly
Fuel Filter Inspect/Replace *
1
Fuel Cap Gasket Replace *
Parts Required: Tune-Up Kit
COMPONENT/SYSTEM
MAINTENANCE
PROCEDURE
REQURED
SKILL
LEVEL
GT-225L MAINTENANCE
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2. Remove air filter cover. Brush
dirt from inside cover.
3. Replace filter if it is damaged,
fuel soaked, very dirty, or the
rubber sealing edges are
deformed.
• Lightly brush debris from
filter.
• Soak heavily soiled filters in
water/detergent solution to
loosen dirt, then brush
lightly.
• Rinse with clean water and
allow to dry completely before reuse.
4. Install air filter in air filter case.
5. Install air filter cover.
Fuel Filter
Level 1.
Fuel is VERY flammable. Use extreme care when mixing, storing
or handling, or serious personal injury may result.
1. Use a clean rag to remove
loose dirt from around fuel
cap and empty fuel tank.
Parts Required: TUNE UP KIT.
MAINTENANCE GT-225L
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Do not damage fuel line while removing fuel filter from tank or line.
2. Pull the fuel filter from the tank.
3. Do not remove the wire coil clamp to remove the fuel filter. Pinch the
fuel filter with the fingers on one hand and the fuel line with the other
hand. Pull and twist slightly to separate.
4. Install the new filter with the reverse action.
Note: Federal EPA regulations require all model year 2012 and later
gasoline powered engines produced for sale in the United
States to be equipped with a special low permeation fuel
supply hose between the carburetor and fuel tank. When
servicing model year 2012 and later equipment, only fuel
supply hoses certified by EPA can be used to replace the
original equipment supply hose. Fines up to $37,500 may be
enforced for using an un-certified replacement part.
Spark Plug
Level 2.
Use only NGK BPM8Y spark plug (BPMR8Y in Canada) otherwise
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. Remaining sand will
damage engine.
3. Adjust spark plug gap by
bending outer electrode.
4. Tighten spark plug to 150-170 kgf•cm (130-150 in•lbf).
Cooling System
Level 2.
Parts Required: Tune-Up Kit
0.65 mm (0.026 in.)
GT-225L MAINTENANCE
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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.
2. Remove air cleaner cover (A).
3. Remove engine cover (B).
DO NOT use a metal scraper to remove dirt from the cylinder fins.
A
B
MAINTENANCE GT-225L
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4. Use a brush to remove dirt
from the cylinder fins.
5. Remove ignition wires from
clip for cleaning.
6. Remove grass and leaves
from the grid between the
recoil starter and fuel tank.
7. Assemble components in
reverse order.
Exhaust System
Spark Arrestor Screen
Level 2.
1. Remove spark plug lead and engine cover.
2. Place piston at Top Dead Center (TDC) to prevent carbon/dirt from
entering cylinder.
Parts Required: Spark Arrestor Screen, Gasket
GT-225L MAINTENANCE
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3. Remove spark arrestor screen
cover (C), gaskets (D), (E), and
screen (F), from muffler body.
4. Clean carbon deposits from
muffler components.
Note: When cleaning carbon
deposit, be careful not to
damage the catalytic
element inside muffler.
5. Replace screen if it is cracked,
plugged, or has holes burned
through.
6. Assemble components in
reverse order.
Exhaust Port Cleaning
Level 2.
1. Remove spark plug lead from spark plug, and remove engine cover.
2. Place piston at top dead
center. Remove muffler (A)
and heat shield (B).
3. Use a wood or plastic
scraping tool to clean deposits
from cylinder exhaust port (C).
Parts Required: As needed: Heat Shield
C
F
D
E
A
B
C
C
MAINTENANCE GT-225L
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Never use a metal tool to scrape carbon from the exhaust port. Do
not scratch the cylinder or piston when cleaning the exhaust port. Do
not allow carbon particles to enter the cylinder.
4. Inspect heat shield, and replace if damaged.
5. Install heat shield and muffler.
6. Tighten muffler mounting bolts (or nuts) to 90-110 kgf•cm (80-95
in•lbf).
7. Install engine cover and attach spark plug lead.
8. Start engine, and warm to operating temperature.
9. Stop engine, and re-tighten mounting bolts (or nuts) to specifications.
Carburetor Adjustment
Level 2.
Engine Break-In
New engines must be operated a minimum duration of two tanks of fuel
break-in before carburetor adjustments can be made. During the break-in
period your engine performance will increase and exhaust emissions will
stabilize. Idle speed can be adjusted as required.
High Altitude Operation
This engine has been factory adjusted to maintain satisfactory starting and
durability performance up to 330 m (1100 ft.) above sea level (ASL) (96.0
kPa). To maintain proper engine operation and emission compliance above
330 m (1100 ft.) ASL the carburetor may
need to be adjusted by an
authorized ECHO service dealer.
If the engine is adjusted for operation above 330 m (1100 ft.) ASL, the
carburetor must be re-adjusted when operating the engine below
330 m (1,100 ft.) ASL, otherwise severe engine damage may result.
Note: Every unit is run at the factory and the carburetor is set in
compliance with emission regulations. Carburetor
adjustments, other than idle speed, must be performed by an
authorized ECHO dealer.
GT-225L MAINTENANCE
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1. Check idle speed and reset if
necessary. If a tachometer is
available, idle speed screw (A)
should be set to the
specifications found on
“Specifications” page of this
manual. Turn idle screw (A)
clockwise to increase idle
speed; counterclockwise to
decrease idle speed.
When carburetor adjustment is completed, the cutting
attachment should not move at idle, otherwise serious personal
injury may result.
Lubrication
Level 1.
1. Remove shield.
2. Loosen bearing housing
locating screw (A), at the top of
the housing, loosen mounting
screw (B) and remove gear
case from drive housing.
3. Pull the flexible drive shaft (C)
from the drive housing, wipe
clean and apply 15 ml (0.5 oz.)
of grease.
4. Slide the flexible drive shaft
back in the drive housing being
careful not to get dirt on the
flexible drive shaft.
5. Install the bearing housing and shield.
Parts Required: Lithium Based Grease.
A
A
A
B
C
MAINTENANCE GT-225L
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Nylon Line Replacement
Wear gloves or personal injury may result:
◆ Cutoff knife is sharp.
◆ Gearcase and surrounding area may be hot.
1. Cut one piece of line to
recommended length.
2.0 mm (0.080 in.) diameter
6 m (20 ft.).
2.4 mm (0.095 in.) diameter
6 m (20 ft.).
2. Align arrows on top of knob with
openings in eyelets.
3. Insert one end of trimmer line
into an eyelet, and push line
equal distance through trimmer
head.
4. Hold trimmer head while
turning knob clockwise to wind
line onto spool until about 13
cm (5 in.) of each line remains
exposed.
Trimmer head is now fully loaded
and ready for operation.
GT-225L TROUBLESHOOTING
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When the wear indicators
located at the bottom of the
Speed-Feed
®
head are worn
smooth, or if holes appear,
replacement of the cover or the
entire Speed-Feed
®
head is
required.
TROUBLESHOOTING
Fuel vapors are extremely flammable and may cause fire and/or
explosion. Never test for ignition spark by grounding spark plug
near cylinder plug hole, otherwise serious personal injury may
result.
TROUBLESHOOTING GT-225L
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ENGINE PROBLEM TROUBLESHOOTING CHART
Problem Check Status Cause Remedy
Engine
starts
hard
or
Engine
does not
start
Fuel at
carburetor
No fuel at
carburetor
Fuel strainer or
fuel line
obstructed
Clean or replace
See your dealer
Fuel at
cylinder
No fuel at
cylinder
Carburetor See your dealer
Muffler
wet with
fuel
Fuel mixture too
rich
OPEN choke
Clean or replace
air filter
Adjust carburetor
See your dealer
Spark at
end of
plug wire
No spark
Stop switch
OFF - Electrical
problem - Inter-
lock switch
Turn switch to
ON
See your dealer
Spark at
plug
Incorrect gap -
Covered with
carbon - Fouled
with fuel - Plug
defective
Adjust to
0.65mm (0.026
in.)
Clean or replace
plug
GT-225L STORAGE
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STORAGE
During operation the muffler or catalytic muffler and
surrounding cover become hot. Always keep exhaust area clear
of flammable debris during transportation or when storing,
otherwise serious property damage or personal injury may
result.
Long Term Storage (Over 30 Days)
Do not store your unit for a prolonged period of time (30 days or longer)
without performing protective storage maintenance which includes the
following:
Engine
runs, but
dies
or
Engine
does not
acceler-
ate
properly
Air filter
Air filter
dirty
Normal wear Clean or replace
Fuel filter
Fuel filter
dirty
Contaminants
or residue in
fuel
Replace filter or
replace fuel
Fuel vent
Fuel vent
plugged
Contaminated
fuel
Clean or replace
Spark plug
Plug dirty
or worn
Normal wear
Clean and adjust
or replace
Carburetor
Improper
adjust-
ment
Vibration Adjust
Cooling
system
Cooling
system
dirty or
plugged
Extended oper-
ation in dirty or
dusty locations
Clean
Spark
arrestor
screen
Spark
arrestor
screen
plugged
Normal wear Replace
Engine
does not
crank
N/A
Internal engine
problem
See your dealer
ENGINE PROBLEM TROUBLESHOOTING CHART
Problem Check Status Cause Remedy
SPECIFICATIONS GT-225L
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1. Store unit in a dry, dust free place, out of the reach of children.
Do not store in enclosure where fuel fumes may accumulate or
reach an open flame or spark.
2. Place the stop switch in the “OFF” position.
3. Remove accumulation of grease, oil, dirt and debris from exterior of
unit.
4. Perform all periodic lubrication and services that are required.
5. Tighten all the screws and nuts.
6. Drain fuel tank completely. Press purge bulb 6-7 times to remove
remaining fuel from carburetor then drain the tank again. Close choke,
start and run the engine until it stops due to lack of fuel.
7. Allow engine to cool. Remove the spark plug lead from the spark plug.
Remove the spark plug. Pour 7 cc (0.25 oz.) of fresh, clean, two-stroke
engine oil into the cylinder through the spark plug hole.
8. Pull the recoil starter handle 2-3 times to distribute the oil inside the
engine.
9. Observe the piston location through the spark plug hole. Pull the recoil
handle slowly until the piston reaches the top of its travel and leave it
there.
10. Install the spark plug. Connect the spark plug lead to the spark plug.
SPECIFICATIONS
MODEL GT-225L
Length 1547 mm (60.9 in.)
Width 315 mm (12.4 in.)
Height 594 mm (23.4 in.)
Weight (dry) w/o Cutter Head 4.6 kg (10.2 lb.)
Engine Type
Air cooled, two-stroke, single cylinder gasoline
engine
Bore 32.2 mm (1.27 in.)
Stroke 26.0 mm (1.02 in.)
Displacement 21.2 cc (1.29 cu. in.)
Exhaust Spark arrestor muffler with catalyst
Carburetor Diaphragm w/purge pump
GT-225L SPECIFICATIONS
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Ignition System
Flywheel magneto, capacitor discharge ignition
type
Spark Plug
NGK BPM8Y (BPMR in Canada) (Gap 0.65 mm
[0.026 in.])
Fuel Mixed (Gasoline and Two-stroke Oil)
Fuel/Oil Ratio 50 : 1
Gasoline
Use 89 Octane unleaded. Do not use fuel
containing methyl alcohol, more than 10% ethyl
alcohol or 15% MTBE. Do not use alternative fuels
such as E15 or E85.
Oil
ISO-L-EGD (ISO/CD 13738) and J.A.S.O. M345-
FD
, two-stroke, air-cooled engine oil.
Fuel Tank Capacity .42 L (14.2 US fl. oz.)
Starter System Automatic Rewind Starter
Clutch Centrifugal Type
Drive Shaft 6 mm (1/4 in.) flexible shaft
Rotating Direction Clockwise; viewed from top
Cutter Head
Speed Feed
®
RH Nylon line head, Line capacity 6.0
m (20 ft.)
Handles Support Handle, Throttle Handle
Shoulder Harness Optional P/N 99944200201
Idle Speed 3,000 RPM
Clutch Engagement Speed 4,300 RPM
Wide Open Throttle Speed
(W.O.T.)
7,800 RPM
MODEL GT-225L
PRODUCT REGISTRATION GT-225L
40 X7732272601
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PRODUCT REGISTRATION
Thank you for choosing ECHO Power Equipment
Please go to http://www.echo-usa.com/Warranty/Register-Your-ECHO to
register your new product on-line. It's FAST and EASY! NOTE: your
information will never be sold or misused by ECHO, Inc. Registering your
purchase enables us to contact you in the unlikely event of a service update
or product recall, and verifies your ownership for warranty consideration.
If you do not have access to the Internet, you can complete the form below
and mail to:
ECHO Inc., Product Registration, PO Box 1139, Lake Zurich IL 60047.
GT-225L PRODUCT REGISTRATION
X7732272601 41
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NOTES GT-225L
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NOTES
GT-225L NOTES
X7732272601 43
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