25.4 cc Gas Power Head
Model No. 51946—312000001 & Up
English (EN), French (FR), and Spanish (ES)
WARNING:
To reduce the risk of injury, the user must read and understand the operator’s manual. Save this manual.
Form No. 3373-261 Rev. A
If you have questions concerning
your trimmer, please call us
at 1-866-574-9242 (US) or
1-866-574-9243 (Canada).
NOTICE: Do not use E15 or
E85 fuel (or fuel containing
greater than 10% ethanol) in
this product. It is a violation of
federal law and will damage the
unit and void your warranty.
2
READ THIS INFORMATION
Before you use your new trimmer, read the following helpful hints to
get you started.
Fueling
WARNING:
Gasoline and its vapors are highly ammable and
explosive. To prevent serious personal injury and
property damage, handle it with care. Keep away
from ignition sources and open ames, handle
outdoors only, do not smoke and wipe up spills
immediately.
1. Obtain a clean container that is approved for use with gasoline.
2. Mix all of the 2-cycle oil provided with 1 US gallon of 87-octane, unleaded gasoline (50:1).
3. Fill the trimmer’s gas tank carefully.
Cold Starting vs. Warm Starting
When you restart the trimmer and you are not sure whether the engine is still warm, set the choke
lever to RUN and pull the starter cord. If the engine does not start within 5 pulls, refer to “To Start a
Cold Engine” later in this manual.
Flooded Engine
Will the engine start? If not, it may be ooded. Relax, this is easy to correct. Set the choke lever to
RUN. Squeeze the trigger and pull the starter cord quickly for 10 to 12 pulls.
If the engine does not start, refer to “Troubleshooting” later in this manual or call toll-free at
1-866-574-9242 (US) or 1-866-574-9243 (Canada).
CALL
1-866-574-9242 (US) or
1-866-574-9243 (Canada)
For questions concerning your trimmers,
call us toll free at 1-866-574-9242 (US) or
1-866-574-9243 (Canada).
WARNING: This product, its exhaust, and other substances that may become airborne
from its use may contain chemicals, including lead, known to the State of California to cause cancer,
birth defects, or other reproductive harm. Wash hands after handling.
STOP
California Proposition 65
3
Table of Contents
Introduction ................................................................................................................................................................................... 4
General Safety Rules ................................................................................................................................................................. 5-6
Specic Safety Rules ....................................................................................................................................................................6
Symbols.........................................................................................................................................................................................7
Product Labels ..............................................................................................................................................................................8
Features .........................................................................................................................................................................................9
Product Specications ...........................................................................................................................................................9
Assembly................................................................................................................................................................................10-11
Unpacking ............................................................................................................................................................................ 10
Packing List .........................................................................................................................................................................10
Connecting the Attachment to the Upper Shaft ...................................................................................................................10
Removing the Attachment from the Upper Shaft ................................................................................................................11
Attaching the Front Handle .................................................................................................................................................11
Operation ............................................................................................................................................................................... 12-14
Applications .........................................................................................................................................................................12
Fueling and Refueling the Trimmer .....................................................................................................................................12
Oxygenated Fuels ...............................................................................................................................................................12
Operating the Power Head ................................................................................................................................................... 13
Blade Thrust ........................................................................................................................................................................13
Starting the Product .............................................................................................................................................................14
Stopping the Product ............................................................................................................................................................14
Maintenance .......................................................................................................................................................................... 15-18
General Maintenance ...........................................................................................................................................................15
Cleaning the Product ............................................................................................................................................................15
Servicing the Product ........................................................................................................................................................... 15
Checking the Fuel Cap .........................................................................................................................................................15
Cleaning the Air Filter .........................................................................................................................................................15
Replacing the Spark Arrestor ............................................................................................................................................... 16
Replacing the Spark Plug .....................................................................................................................................................17
Idle Speed Adjustment .........................................................................................................................................................17
Storing the Product ..............................................................................................................................................................17
Transporting the Product .....................................................................................................................................................17
High Altitude Engine Operation ..........................................................................................................................................18
Emissions Maintenance Schedule ........................................................................................................................................18
Troubleshooting ..........................................................................................................................................................................19
Warranty ................................................................................................................................................................................ 20-21
Table of Contents
4
Introduction
Thank you for purchasing a Toro product.
We would like for you to be completely satised with your new product, so feel free to contact an authorized service dealer
for help with service, genuine Toro parts, or other information you may require.
Whenever you contact an authorized service dealer, always know the model and serial numbers of the product. These num-
bers will help the service representative provide exact information about your specic product. You will nd the model and
serial number decal located on the motor housing.
For your convenience, write the product model and serial numbers in the space below.
Model No.
Serial No.
Read this manual carefully to learn how to operate and maintain your product correctly. Reading this manual will help you
and others avoid personal injury and damage to the product. Although Toro designs, produces, and markets safe, state-of-the-
art products, you are responsible for using the product properly and safely. You are also responsible for training persons you
allow to use the product about safe operation.
The Toro warning system in this manual identies potential hazards and has special safety messages that help you and others
avoid personal injury, even death. DANGER, WARNING, and CAUTION are signal words that identify the level of hazard.
However, regardless of the hazard, be extremely careful. Two other words, “Important” and “Note,” highlight information.
Introduction
Data Label
5
Read All Instructions
For safe operation, read and understand all instructions
before using this product. Follow all safety instructions.
Failure to follow all safety instructions listed below, can
result in serious personal injury.
Do not allow children or untrained individuals to use this
unit.
Never start or run the engine in a closed or poorly venti-
lated area; breathing exhaust fumes can kill.
Clear the work area before each use. Remove all objects
such as rocks, broken glass, nails, wire, or loose string
which can be thrown or become entangled in the cutting
line or blade.
Always wear eye protection with side shields marked to
comply with ANSI Z87.1 along with hearing protection
when operating this equipment.
Wear heavy, long pants, long sleeves, boots, and gloves.
Do not wear loose tting clothing, short pants, sandals,
or go barefoot. Do not wear jewelry of any kind.
Heavy protective clothing may increase operator fatigue,
which could lead to heat stroke. During weather that is
hot and humid, heavy work should be scheduled for early
morning or late afternoon hours when temperatures are
cooler.
Product users on United States Forest Service land, and
in some states, must comply with re prevention regula-
tions. This product is equipped with a spark arrestor;
however, other user requirements may apply. Check with
your federal, state, or local authorities.
Never operate this unit on the operator’s left side.
Secure long hair above shoulder level to prevent entan-
glement in moving parts.
Keep all bystanders, children, and pets at least
50 ft. (15 m) away. Bystanders should be encouraged to
wear eye protection. If you are approached, stop the en-
gine and cutting attachment. In the case of bladed units,
there is the added risk of injury to bystanders from being
struck with the moving blade in the event of a blade
thrust or other unexpected reaction of the saw.
Do not operate this unit when you are tired, ill, or under
the inuence of alcohol, drugs, or medication.
Do not operate in poor lighting.
Keep rm footing and balance. Do not overreach. Over-
reaching can result in loss of balance or exposure to hot
surfaces.
Do not use on a ladder or unstable support. Stable foot-
ing on a solid surface enables better control of the unit in
unexpected situations.
Keep all parts of your body away from any moving part.
To avoid hot surfaces, never operate the unit with the
bottom of the engine above waist level.
Do not touch area around the mufer or cylinder of the
unit, these parts get hot from operation. Contact with hot
surfaces could result in possible serious personal injury.
Always stop the engine and remove the spark plug wire
before making any adjustments or repairs except for
carburetor adjustments.
Inspect the unit before each use for loose fasteners, fuel
leaks, etc. Replace any damaged parts before use.
Never use blades, ailing devices, wire, or rope on trim-
mer attachment. Never use ailing devices, wire, or rope
on any attachment.
The cutting attachment should never rotate at idle during
normal use. The cutting attachment may rotate at idle
during carburetor adjustments.
It has been reported that vibrations from hand-held
tools may contribute to a condition called Raynaud’s
Syndrome in certain individuals. Symptoms may include
tingling, numbness, and blanching of the ngers, usu-
ally apparent upon exposure to cold. Hereditary factors,
exposure to cold and dampness, diet, smoking, and work
practices are all thought to contribute to the development
of these symptoms. It is presently unknown what, if any,
vibrations or extent of exposure may contribute to the
condition. There are measures that can be taken by the
operator to possibly reduce the effects of vibration:
a) Keep your body warm in cold weather. When operat-
ing the unit wear gloves to keep hands and wrists
warm. It is reported that cold weather is a major fac-
tor contributing to Raynaud’s Syndrome.
b) After each period of operation, exercise to increase
blood circulation.
c) Take frequent work breaks. Limit the amount of
exposure per day.
d) Keep the tool well maintained, fasteners tightened,
and worn parts replaced.
If you experience any of the symptoms of this condi-
tion, immediately discontinue use and see your physician
about these symptoms.
Mix and store fuel in a container approved for gasoline.
Mix fuel outdoors where there are no sparks or ames.
Wipe up any fuel spillage. Move 30 ft. (9 m) away from
refueling site before starting engine. Slowly remove the fuel
cap after stopping engine. Do not smoke when refueling.
Stop the engine and allow to cool before refueling or
storing the unit.
Safety Rules
General Safety Rules
WARNING:
Read and understand all instructions. Failure to follow all instructions may result in electric shock, re
and/or serious personal injury.
6
Specific Safety Rules
Specific Safety Rules
General Safety Rules
Allow the engine to cool; empty the fuel tank into a con-
tainer approved for fuel and secure the unit from moving
before transporting in a vehicle.
Wear your protective equipment and observe all safety
instructions. For units equipped with a clutch, be sure the
cutting attachment stops turning when the engine idles.
When the unit is turned off make sure the cutting attach-
ment has stopped before the unit is set down.
This product is intended for infrequent use by homeown-
ers and other occasional users for such general applica-
tions as trimming light and heavy vegetation, etc. It is
not intended for prolonged use. Prolonged periods of
operation can cause circulatory problems in the user’s
hands due to vibration. For such use, it may be appropri-
ate to use a product having an anti-vibration feature.
Specific Safety Rules for Trimmer Use
Inspect before use. Replace damaged parts. Make sure
fasteners are in place and secure. Check for fuel leaks.
Replace string head if cracked, chipped, or damaged in
any way. Be sure the string head or blade is properly in-
stalled and securely fastened. Failure to do so can cause
serious injury.
Make sure all guards, straps, deectors, and handles are
properly and securely attached.
Use only the manufacturer’s replacement line in the
cutting head. Do not use any other cutting attachment.
To install any other brand of replacement line or cutting
head to this string trimmer can result in serious personal
injury. Never use, for example, wire or wire-rope, which
can break off and become a dangerous projectile.
Never operate unit without the grass deector in place
and in good condition.
Maintain a rm grip on both handles while trimming.
Keep string head below waist level. Never cut with the
string head located over 30 in. or more above the ground.
Specific Safety Rules for Brushcutter
and Blade Use
Brushcutter blades coast after throttle trigger is released
or engine is stopped. Keep the rotating blade in thicker
weeds or pulpy stalks until the blade completely stops.
Do not operate the brushcutter unless the brushcutter
guard is rmly secured in place and in good condition.
Use heavy gloves when operating the brushcutter and
when installing or removing blades.
Always stop the engine and remove the spark plug wire
before attempting to remove any obstruction caught or
jammed in the blade or before removing and installing
the blade.
Do not attempt to touch or stop the blade when it is rotat-
ing.
A coasting blade can cause injury while it continues
to spin after the engine is stopped or throttle trigger
released. Maintain proper control until the blade has
completely stopped rotating.
Replace any blade that has been damaged. Always make
sure blade is installed correctly and securely fastened
before each use. Failure to do so can cause serious injury.
Use only the manufacturer’s replacement blade intended
for use on this brushcutter. Do not use any other blade.
To install any other brand blade or cutting head to this
brushcutter can result in serious personal injury.
The blade is suited for cutting thicker weeds or pulpy
stalks only. Do not use for any other purpose. Never use
the blade to cut woody brush.
Exercise extreme caution when using the blade with this
unit. Blade thrust is the reaction that may occur when the
spinning blade contacts anything it cannot cut. This con-
tact may cause the blade to stop for an instant, and sud-
denly “thrust” the unit away from the object that was hit.
This reaction can be violent enough to cause the operator
to lose control of the unit. Blade thrust can occur without
warning if the blade snags, stalls, or binds. This is more
likely to occur in areas where it is difcult to see the ma-
terial being cut. For cutting ease and safety, approach the
weeds being cut from the right to the left. In the event an
unexpected object or woody stock is encountered, this
could minimize the blade thrust reaction.
Never cut any material over 1/2 in. diameter.
Always wear the shoulder harness when using the brush-
cutter and adjust to a comfortable operating position.
Maintain a rm grip on both handles while cutting with
a blade. Keep the blade away from your body and below
waist level.
Never use the brushcutter with the blade located 30 in. or
more above the ground level.
Save these instructions. Refer to them frequently and use
them to instruct others who may use this tool. If you loan
someone this tool, loan them these instructions also.
NOTE: ADDITIONAL SPECIFIC SAFETY RULES CAN BE FOUND IN
THE APPLICABLE ATTACHMENT’S OPERATOR’S MANUAL
7
Symbols
The following signal words and meanings are intended to explain the levels of risk associated with this
product.
SYMBOL SIGNAL MEANING
DANGER: Indicates an imminently hazardous situation, which, if not avoided, will
result in death or serious injury.
WARNING: Indicates a potentially hazardous situation, which, if not avoided, could result
in death or serious injury.
CAUTION: Indicates a potentially hazardous situation, which, if not avoided, may result
in minor or moderate injury.
NOTICE: (Without Safety Alert Symbol) Indicates important information not related
to an injury hazard, such as a situation that may result in property damage.
Symbols
Some of the following symbols may be used on this product. Please study them and learn their meaning for safe operation
of this product.
SYMBOL NAME EXPLANATION
Safety Alert Indicates a potential personal injury hazard.
Read Operator’s Manual
To reduce the risk of injury, user must read and understand opera-
tor’s manual before using this product.
Eye, Hearing and Head
Protection
Always wear eye protection with side shields marked to comply
with ANSI Z87.1, along with hearing protection. Head protection
may also be required depending on the type of attachment used and
as prescribed in the attachment’s Operator’s Manual.
Keep Bystanders Away Keep all bystanders at least 50 ft. (15 m) away.
Ricochet
Thrown objects can ricochet and result in personal injury or prop-
erty damage.
No Blade
Do not install or use any type of blade on a product displaying this
symbol.
Gasoline and Oil
Use unleaded gasoline intended for motor vehicle use with an oc-
tane rating of 87 [(R + M)/2] or higher. This product is powered by
a 2-cycle engine and requires pre-mixing gasoline and 2-cycle oil.
8
Product Labels
Product labels and instructions are easily visible to the operator and are located near any area of potential danger.
Replace damaged or lost labels.
Part No. 940686099
Part No. 940657034
Part No. 940864003
Product Labels
ON STOP
Part No. 940865001
Part No. 940627020
50' 15m
Handle Position
9
Know Your Product
See Figure 1.
The safe use of this product requires an understanding of the
information on the tool and in this operator’s manual as well
as a knowledge of the project you are attempting. Before
use of this product, familiarize yourself with all operating
features and safety rules, in both this manual and the opera-
tor’s manuals for all attachments that your are using with
this power head.
Engine
The engine is powerful and easy to start. It is effectively
counterbalanced, which allows for less vibration and more
durability.
Ergonomic Design
The design of the product provides for easy handling. It is
designed for comfort and ease of grasp when operating in
different positions and at different angles.
Features
Figure 1
Front Handle
Coupler
Throttle
Trigger
Engine
Muffler
Knob
On/Stop
Switch
Choke
Lever
Fuel
Cap
Starter
Grip and
Rope
Features
Product Specifications
Name Specification
Engine 25.4cc Full Crank
Weight 8.5 lbs.
10
Unpacking
This product requires assembly.
Carefully remove the product and any accessories from
the box. Make sure that all items listed in the packing list
are included.
WARNING:
Do not use this product if any parts on the pack-
ing list are already assembled to your product
when you unpack it. Parts on this list are not as-
sembled to the product by the manufacturer and
require customer installation. Use of a product
that may have been improperly assembled could
result in serious personal injury.
Inspect the product carefully to make sure no breakage
or damage occurred during shipping.
Do not discard the packing material until you have
carefully inspected and satisfactorily operated the
product.
If any parts are damaged or missing, please call
1-866-574-9242 (US) or 1-866-574-9243 (Canada) for
assistance.
Packing List
Power Head Assembly
Front Handle
Lubricant
Operator’s Manual
WARNING:
If any parts are damaged or missing do not
operate this product until the parts are replaced.
Use of this product with damaged or missing
parts could result in serious personal injury.
WARNING:
Do not attempt to modify this product or create
accessories not recommended for use with this
product. Any such alteration or modication is
misuse and could result in a hazardous condi-
tion leading to possible serious personal injury.
Assembly
Assembly
WARNING:
To prevent accidental starting that could cause
serious personal injury, always disconnect the
engine spark plug wire from the spark plug
when assembling parts.
Connecting the Attachment to the
Upper Shaft
See Figure 2.
WARNING:
Read and understand entire Operator’s Manual
for each optional attachment used on this power
head and follow all warnings and instructions.
Failure to follow all instructions can result
in electric shock, re and/or serious personal
injury.
WARNING:
Never install, remove, or adjust any attachment
while power head is running. Failure to stop the
engine can cause serious personal injury. Never
operate power head without an attachment.
WARNING:
Be certain the knob is fully tightened before
operating equipment; check it periodically for
tightness during use to avoid serious personal
injury.
The attachment connects to the power head by means of a
coupler device. Follow these steps to connect the attachment
to the upper shaft.
1. Stop the engine and disconnect the spark plug wire.
2. Loosen the knob by turning it counterclockwise.
3. Remove the end cap from the attachment shaft.
11
Assembly
4. Push in the button located on the attachment shaft. Align
the button with the guide recess on the power head cou-
pler and slide the two shafts together. Rotate the attach-
ment shaft until the button locks into the positioning hole.
NOTE: If the button does not release completely in the
positioning hole, the shafts are not locked into place.
Slightly rotate from side to side until the button is locked
into place.
5. Tighten the knob securely by turning it clockwise.
Attaching the Front Handle
See Figure 3.
Follow these steps to attach the front handle.
1. Remove the slotted Torx™ screws to separate the handle
from the handle support.
2. Press the front handle onto the top of the upper shaft, in
the position indicated by the arrow on the shaft, angling
the handle toward the throttle trigger.
3. Place the front handle along the upper shaft to a position
that allows for comfortable operation.
4. Place the handle support on the bottom of the shaft on
the opposite side of the front handle.
5. Secure the handle with the slotted Torx™ screws using a
T25 Torx driver or at blade screwdriver.
Note: Do not cover any portion of the warning label with
the front handle.
Assembly
Knob
Figure 2
Removing the Attachment from the
Upper Shaft
See Figure 2.
Follow these steps to remove the attachment from the upper
shaft.
1. Stop the engine and disconnect the spark plug wire.
2. Loosen the knob by turning it counterclockwise.
3. Push in the button and twist the shafts to unlock and
separate.
Button
Attachment
Shaft
Guide
Recess
Power Head
Shaft
Figure 3
Slotted
Torx
Screw
Front
Handle
Throttle
Trigger
Handle Support
Assembly
Coupler
12
Operation
Operation
WARNING:
Do not allow familiarity with this product to
make you careless. Remember that a careless
fraction of a second is sufcient to inict
serious injury.
WARNING:
Always wear eye protection with side shields
marked to comply with ANSI Z87.1, along with
hearing protection. Head protection may also
be required depending on the type of attach-
ment used and as prescribed in the attachment’s
Operator’s Manual. Failure to do so could result
in objects being thrown into your eyes and other
possible serious injuries.
WARNING:
Never use ailing devices, wire, or rope on this
product. Do not use any attachments or acces-
sories not recommended by the manufacturer of
this tool. The use of attachments or accessories
not recommended can result in serious personal
injury.
WARNING:
Operation of this equipment can create sparks
that can start res around dry vegetation. A spark
arrestor may be required. The operator should
contact local re agencies for laws or regulations
relating to re prevention requirements.
Applications
Use this product for the following applications when used
with the appropriate attachment:
■ Cutting grass, weeds, and light undergrowth
■ Edging along sidewalks and driveways
Fueling and Refueling the Power Head
WARNING:
Gasoline and its vapors are highly ammable
and explosive. To prevent serious personal
injury and property damage, handle it with care.
Keep away from ignition sources and open
ames, handle outdoors only, do not smoke and
wipe up spills immediately.
Fuel Mixture
This product is powered by a 2-cycle engine and requires
pre-mixing gasoline and 2-cycle lubricant. Pre-mix unleaded
gasoline and 2-cycle engine lubricant in a clean container
approved for gasoline. DO NOT mix quantities larger than
usable in a 30-day period.
Recommended fuel: This engine is certied to operate on
unleaded gasoline intended for automotive use.
Note: We recommend you use high-quality synthetic
2-cycle lubricant in this product. Mix at 2.6 oz. per gallon
(US).
Do not use automotive lubricant or 2-cycle outboard
lubricant.
HIGH QUALITY 2-CYCLE ENGINE LUBRICANT
GASOLINE LUBRICANT
1.0 gal. (US) (3.8 liter) 2.6 oz. (76 ml)
2.5 gal. (US) (9.5 liter) 6.4 oz. (189 ml)
Filling Tank
■ Clean surface around fuel cap to prevent contamination.
■ Loosen fuel cap slowly by turning counterclockwise. Rest
the cap on a clean surface.
■ Carefully pour fuel into the tank. Avoid spillage.
■ Prior to replacing the fuel cap, clean and inspect the gasket.
■ Immediately replace fuel cap and hand tighten by turning
clockwise. Wipe up any fuel spillage.
■ Move at least 30 ft. (9 m) away from refueling area before
starting the product.
Note: It is normal for smoke to be emitted from a new
engine after rst use.
WARNING:
Always shut off engine before fueling. Never
add fuel to a machine with a running or hot
engine. Move at least 30 ft (9 m). from refueling
site before starting engine. Do not smoke and
stay away from open ames and sparks. Fail-
ure to safely handle fuel could result in serious
personal injury.
OXYGENATED FUELS
NOTICE: DO NOT USE E15 OR E85 FUEL IN THIS
UNIT. IT IS A VIOLATION OF FEDERAL LAW
AND WILL DAMAGE THE UNIT AND VOID YOUR
WARRANTY.
NOTE: Fuel system damage or performance problems
resulting from the use of an oxygenated fuel containing
more than the percentage of oxygenates stated below are
not covered under warranty.
13
Ethanol. Gasoline containing up to 10% ethanol by volume
(commonly referred to as E10) is acceptable. E15 and E85
are not.
Operating the Power Head
See Figure 4.
WARNING:
Engine housing may become hot during opera-
tion. Do not rest or place your arm, hand, or
any body part against the engine housing dur-
ing operation. Only hold the unit as shown in
Figure 5 during trimmer operation with all body
parts clear of engine housing (or as shown in
the applicable attachment Operator’s Manual).
Extended contact with the engine housing can
result in burns or other injuries.
WARNING:
Always position the unit on the operator’s right
side. The use of the unit on the operator’s left side
will expose the user to hot surfaces and can result
in possible burn injury.
WARNING:
To avoid burns from hot surfaces, never operate
unit with the bottom of the engine above waist
level.
Hold the power head with your right hand on the rear handle
and your left hand on the front handle. Keep a rm grip with
both hands while in operation. Power head should be held at
a comfortable position with the rear handle about hip height.
Always operate power head at full throttle. If debris
becomes wrapped around the attachment, STOP THE
ENGINE, disconnect the spark plug wire, and remove the
debris. Prolonged cutting at partial throttle will result in
lubricant dripping from the mufer.
WARNING:
Always hold the power head and attachment
away from the body keeping clearance between
the body and the product. Any contact with
the power head or attachment cutting head can
result in burns and/or other serious personal
injury.
WARNING:
Extreme care must be taken when using blades
to ensure safe operation. Read the safety infor-
mation for safe operation when using a blade
and refer to the safety rules and instructions in
your attachment manual.
BLADE THRUST
Exercise extreme caution when using a blade attachment
with this unit. Blade thrust is the reaction that may occur
when the spinning blade contacts anything it cannot cut.
This contact may cause the blade to stop for an instant,
and suddenly “thrust” the unit away from the object that
was hit. This reaction can be violent enough to cause the
operator to lose control of the unit. Blade thrust can occur
without warning if the blade snags, stalls, or binds. This is
more likely to occur in areas where it is difcult to see the
material being cut. For cutting ease and safety, approach the
weeds being cut with the brushcutter from the right to the
left. In the event an unexpected object or woody stock is
encountered, this practice could minimize the blade thrust
reaction.
Operation
Operation
Proper Trimmer
Operating Position
Figure 4
14
Operation
Operation
Throttle
Trigger
Figure 6
Figure 7
Set Choke to FULL
Set Choke to RUN
Figure 5
Lock-out
Button
Switch
Starter
Grip and
Rope
Throttle
Trigger
Primer
Bulb
Starting the Product
See Figures 5 - 7.
Starting the product differs depending on whether the engine
is cold or warm. Refer to the label on the air lter cover.
To Start a Cold Engine:
Follow these steps to start a cold engine.
1. Lay the product on a at, bare surface.
2. Push the primer bulb eight times.
3. Set the choke lever to FULL.
4. Depress lock-out button and squeeze throttle trigger fully
(thru step 7) and pull starter handle sharply until engine
attempts to start (no more than 4x).
5. Set the choke lever to HALF.
6. Pull starter handle until engine runs, no more than 6
pulls.
7. Set the choke lever to RUN.
NOTE: In cooler environments, additional pulls of the
starter handle may be required with the choke lever in
the FULL position.
To Start a Warm Engine:
Follow these steps to start a warm engine.
1. Lay the product on a at, bare surface.
2. Push the primer bulb up to eight times.
3. Set the choke lever to RUN.
4. Depress lock-out button and squeeze throttle trigger
fully, pull the starter cord.
NOTE: If the product does not start, repeat the previous
steps.
Stopping the Product
See Figure 7.
Follow these steps to stop the product.
1. Release the trigger.
2. Press and hold on/stop switch to (STOP) position until
the engine stops. The switch will automatically return to
the (ON) position when released.
On/Stop
Switch
15
Maintenance
Maintenance
Air Filter
Air Filter
Cover
Knob
NOTICE:
Keeping air intake vents free of grass and debris
prevents motor overheating and possible failure.
Servicing the Product
■ Check and tighten all fasteners. If any part is damaged or
lost, repair it or replace it.
Checking the Fuel Cap
WARNING:
Check for fuel leaks. A leaking fuel cap is a re
hazard and must be replaced immediately. If
you nd any leaks, correct the problem before
using the product. Failure to do so could result
in a re that could cause serious personal injury.
The fuel cap contains a non-serviceable lter and check
valve. A clogged fuel lter causes poor engine performance.
If performance improves when the fuel cap is loosened,
the check valve may be faulty or the lter may be clogged.
Replace the fuel cap if necessary.
Cleaning the Air Filter
See Figure 8.
Clean the air lter as indicated by the maintenance schedule.
Follow these steps to clean the air lter.
1. Stop the trimmer.
2. Remove the spark plug boot.
3. Loosen the air lter cover by turning the knob counter
clockwise.
4. Remove the air lter cover.
5. Remove the air lter.
6. Clean the air lter with warm soapy water.
WARNING:
Use only Toro replacement parts when servicing
this product. Use of any other parts could create
a hazard or cause product damage.
WARNING:
Always wear eye protection with side shields
marked to comply with ANSI Z87.1, along with
hearing protection. Head protection may also
be required depending on the type of attach-
ment used and as prescribed in the attachment’s
Operator’s Manual. Failure to do so could result
in objects being thrown into your eyes and other
possible serious injuries.
WARNING:
Before inspecting, cleaning, or servicing the
machine, shut off engine, wait for all moving
parts to stop, and disconnect spark plug wire
and move it away from spark plug. Failure to
follow these instructions can result in serious
personal injury or property damage.
General Maintenance
Avoid using solvents when cleaning plastic parts. Most
plastics are susceptible to damage from various types of
commercial solvents and may be damaged by their use. Use
clean cloths to remove dirt, dust, lubricant, grease, etc.
WARNING:
Do not at any time let brake uids, gasoline,
petroleum-based products, penetrating lubricants,
etc., come in contact with plastic parts. Chemi-
cals can damage, weaken or destroy plastic which
can result in serious personal injury.
Cleaning the Product
Stop the product before cleaning.
Clean the exterior of the product with a damp cloth.
Avoid using solvents when cleaning plastic parts. Most
plastics are susceptible to damage from various types of
commercial solvents and may be damaged by their use.
Wipe or scrape the trimmer head and spool area when
they accumulate dirt or clippings.
Scrape debris away from air intake vents on both sides of
the motor housing.
Figure 8
16
Figure 9
Maintenance
7. Rinse the air lter and let it dry completely.
8. Work two drops of oil into the air lter.
9. Replace the air lter (ts only one way).
10. Replace the air lter cover.
11. Tighten the air lter cover by turning the knob clock-
wise.
12. Replace the spark plug boot.
NOTE: Replace the air lter as indicated by the mainte-
nance schedule.
Replacing the Spark Arrestor
See Figure 9.
WARNING:
Stop engine, remove spark plug boot, and allow
engine and mufer to cool before replacing
the spark arrestor. Contact with a hot mufer
or engine could cause burns or other serious
personal injuries.
Note: Depending on the type of fuel used, the type and
amount of lubricant used, and/or your operating conditions,
the exhaust port, mufer, and/or spark arrestor screen may
become blocked with carbon deposits. If you notice a power
loss with your gas powered tool, you may need to remove
these deposits to restore performance. We highly recom-
mend that only qualied service technicians perform this
service.
The spark arrester may need to be cleaned or replaced
replaced after repeated use. If replacement is necessary, use
Toro part number 000998216.
Spark
Arrester
Plate
Muffler
Cover
Muffler
Gasket
Screw(s)
Screw(s)
Cover
Screw(s)
Muffler
To replace the spark arrester:
1. Remove the ve screws that hold the cover.
Note: Removing these screws requires the use of a T20
and T25 torx screwdriver.
2. Remove the cover.
3. Remove the two screws holding the mufer assembly in
place.
4. Remove the mufer assembly and mufer gasket. It
may be necessary to work the mufer assembly free
from the mufer gasket.
5. Separate the mufer cover from the mufer.
6. Remove the three screws that hold the plates on the
mufer.
7. Remove the spark arrester.
8. Replace the old spark arrester with the new one.
9. Reassemble the mufer by reinstalling the plates and
tightening the three screws [torque to 18 in.lb. (2.03 Nm)
minimum, 22 in.lb. (2.49 Nm) maximum].
10. Reassemble the mufer and mufer cover and attach to
the mufer gasket with the two screws.
11. Reinsert the mufer assembly and tighten two screws to
engine [torque to 60 in.lb (6.78 Nm) minimum, 80 in.lb.
(9.04 Nm) maximum].
12. Reinstall the cover on the tool and fasten with the ve
screws [torque to 16 in.lb. (1.81 Nm) minimum,
22 in.lb.
(2.49 Nm)
maximum].
Note: Do not overtighten screws.
Replacing the Spark Plug
See Figure 10.
All model numbers included in this manual use a Champion
RCJ4 or RCJ6Y spark plug. Use an exact replacement and
replace annually.
1. Remove the spark plug boot.
2. Loosen the spark plug by turning it counterclockwise
with a socket.
Maintenance
Figure 10
Spark
Plug
Spark Plug
Boot
17
Maintenance
3. Remove the spark plug.
4. Inspect the new spark plug. The spark plug must
be properly gapped and free of deposits in order to
ensure proper engine operation. The correct gap is
approximately 0.025 in. (0.64 mm). To widen gap, if
necessary, carefully bend the ground (top) electrode.
To lessen gap, gently tap ground electrode on a hard
surface.
5. Hand thread the new spark plug, turning it clockwise.
6. Tighten with a socket. [Torque to 170 in.lb. (19.20 Nm)
minimum, 190 in.lb. (21.47 Nm) maximum. Do not
overtighten].
NOTICE:
Be careful not to cross-thread the spark plug. Cross-
threading will seriously damage the product.
Idle Speed Adjustment
See Figure 11.
WARNING:
The blade/cutting head will move when
adjusting the idle speed. Wear all protective
clothing and keep all bystanders, children,
and pets at least 50 ft (15 m) away. Make
adjustments with the unit supported by hand
so that the blade/cutting head does not contact
the ground or any object. Keep all parts of your
body away from the blade/cutting head and
mufer. Failure to follow these instructions
could result in serious personal injury.
If the cutting attachment turns at idle, the idle speed screw
needs adjusting on the engine. Turn the idle speed screw
counterclockwise to reduce the idle RPM and stop the cut-
ting attachment movement. If the cutting attachment still
moves at idle speed, contact a service dealer for adjustment
and discontinue use until the repair is made.
WARNING:
The cutting attachment should never turn at idle.
Turn the idle speed screw counterclockwise
to reduce the idle RPM and stop the cutting
attachment, or contact a service dealer for
adjustment and discontinue use until the repair
is made. Serious personal injury may result
from the cutting attachment turning at idle.
Idle Speed
Screw
Maintenance
Figure 11
Storing the Product
Storing the product differs depending on the amount of time
it will be in storage.
Note: If the product includes an attachment, place the stor-
age cap on the end of the attachment shaft and hang it up to
store.
To Store the Product Short Term:
1. Clean all foreign material from the product.
2. Store the product in a well-ventilated place that is inac-
cessible to children.
To Store the Product Long Term:
If you do not intend to use the product for more than one
month, follow the storage procedures below.
Follow these steps to store the product long term.
1. Drain all of the fuel from the tank into a container ap-
proved for gasoline.
2. Run the engine until it stops.
3. Clean all foreign material from the product.
4. Store the product in a well-ventilated place that is inac-
cessible to children.
Note: Keep the product away from corrosive agents
such as garden chemicals and de-icing salts.
Note: Abide by all federal and local regulations for the
safe storage and handling of gasoline.
Transporting the Product
1. Drain the fuel mixture into a container that is approved
for use with gasoline.
2. Carry the product by the front handle.
3. Secure the product in your vehicle or on a trailer.
18
High Altitude Engine Operation
Please have an authorized service center adjust this engine if it is to be run above 2000 feet. Failure to do so may result in
poor engine performance and increased emissions. An engine adjusted for high altitudes can not be run at 2000 feet or lower.
In doing so, the engine will overheat and cause serious engine damage. Please have an authorized service center restore high
altitude modied engines to the original factory specication before operating below 2000 feet.
This Product Was Manufactured With A Catalyst Muffler
Congratulations! You have made an investment toward protecting the environment. In order to maintain this product’s origi-
nal emission level, please refer to the maintenance section below.
Maintenance
Maintenance
MAINTENANCE SCHEDULE
Inspect Clean Clean or Replace Replace
Maintenance Before Every Every 25 Hours Every
Part Each Use 5 Hours or Yearly 125 Hours
* CATALYTIC MUFFLER ASSEMBLY .................................................................................................................X
SPARK SCREEN .......................................................................................................... X
* AIR FILTER ASSY
includes:
Filter .......................................................................................X
* CARBURETOR ASSY
includes:
Gaskets .......................................... X
* FUEL TANK ASSY
includes:
Fuel Lines ...................................... X
Fuel Cap ........................................ X
Fuel Filter ...................................................................................................................... X
* IGNITION ASSY
includes:
Spark Plug ..................................................................................................................... X
*NOTICE: THE USE OF EMISSION CONTROL COMPONENTS OTHER THAN THOSE DESIGNED FOR THIS
UNIT IS A VIOLATION OF FEDERAL LAW.
CALL
1-866-574-9242 (US) or
1-866-574-9243 (Canada)
CALL US FIRST
For any questions about operating or maintaining your product,
call the Toro
®
Help Line!
Your product has been fully tested prior to shipment to ensure
your complete satisfaction.
19
Engine will not start
Engine does not reach full speed
and emits excessive smoke
Oil drips from mufer
1. Remove the spark plug. Reattach the spark plug
cap and lay the spark plug on the metal cylinder.
Pull the starter cord and watch for a spark at the
spark plug tip. If there is no spark, repeat the
test with a new spark plug.
2. Push primer bulb until the bulb is full of fuel. If
the bulb does not ll, the primary fuel delivery
system is blocked. If the primer bulb lls, the
engine may be ooded. (See next item.)
3. Remove the spark plug. Turn the product so
that the spark plug hole is aimed at the ground.
Make sure the choke lever is set to RUN and
pull the starter cord 10 to 14 times. This clears
excess fuel from the engine. Clean and reinstall
the spark plug. With the trigger fully depressed,
pull the starter cord 3 times. If the engine does
not start, set the choke lever to FULL and fol-
low normal starting instructions. If the engine
still fails to start, repeat the procedure with a
new spark plug.
4. Contact an authorized service dealer.
1. Use fresh fuel and the correct 2-cycle oil mix.
2. Clean the air lter.
3. Clean the spark arrester.
1. Operate the product at full throttle.
2. Use fresh fuel and the correct 2-cycle oil mix.
3. Clean the air lter.
1. No spark
2. No fuel
3. Flooded engine
4. Starter cord pulls harder now
then when new
1. Check oil fuel mixture
2. Air lter is dirty
3. Spark arrestor screen is dirty
1. Operating the product at part
throttle
2. Check oil/fuel mixture
3. Air lter is dirty
Problem Possible Cause Solution
Troubleshooting
Troubleshooting
20
Warranty
Warranty
THIS PRODUCT IS MANUFACTURED UNDER
LICENSE FROM THE TORO COMPANY BY
TECHTRONIC INDUSTRIES NORTH AMERICA, INC.
Techtronic Industries north America, Inc. warrants to the
original retail purchaser that this gas trimmer Product is free
from defects in material and workmanship and agrees to
repair or replace, at our option, any defective Product free of
charge within these time periods from the date of purchase:
Three years for Gas Power Head, if the Product is used
for personal, family, or household use;
90 days, if Gas Power Head is used for any other pur-
pose, such as commercial or rental.
Three years for emissions control systems on Gas Power
Head used for any purpose, as provided below.
Except as provided in the Emission Control Warranty State-
ment, this warranty extends to the original retail purchaser
only and commences on the date of original retail purchase.
Instructions for Obtaining Warranty
Service
Any part of the Product manufactured or supplied by
Techtronic Industries North America, Inc. and found in
the reasonable judgement of Techtronic Industries North
America, Inc. to be defective in material or workmanship
will be repaired or replaced by an authorized service dealer
for this product without charge for parts and labor. To locate
your nearest authorized service dealer for this product, con-
tact us Toll free at 1-866-574-9242 (US) or 1-866-574-9243
(Canada).
The Product including any defective part must be returned
to an Authorized Service Dealer for this product within
the warranty period. The expense of delivering the Gas
Power Head to the service dealer for warranty work and
the expense of returning it back to the owner after repair
or replacement will be paid for by the owner. Techtronic
Industries North America. Inc.’s responsibility in respect to
claims is limited to making the required repairs or replace-
ments and no claim of breach of warranty shall be cause
for cancellation or rescission of the contract of sale of any
Product. Proof of purchase will be required by the dealer to
substantiate any warranty claim. All warranty work must
be performed by a service dealer authorized by Techtronic
Industries North America, Inc. to service this product.
This warranty does not cover any Gas Power Head that has
been subject to misuse, neglect, negligence, or accident, or
that has been operated in any way contrary to the operat-
ing instructions as specied in the Operator’s Manual. This
warranty does not apply to any damage to the Gas Power
Head that is the result of improper maintenance or to any
Gas Power Head that has been altered or modied so as
to adversely affect the products operation, performance
or durability or that has been altered or modied so as to
change its intended use. The warranty does not extend to re-
pairs made necessary by normal wear or by the use of parts
or accessories which are either incompatible with the Gas
Power Head or adversely affect its operation, performance
or durability.
In addition, this warranty does not cover the following
(except to the extent covered by the emissions control
warranty set forth below):
A. Tune-ups – Spark Plugs, Carburetor Adjustments, Filters
B. Wear Items – Starter Pulley and Starter Ropes
Techtronic Industries North America, Inc. reserves the right
to change or improve the design of any Gas Power Head
without assuming any obligation to modify any product
previously manufactured.
ALL IMPLIED WARRANTIES ARE LIMITED IN
DURATION TO THE STATED WARRANTY PERIOD.
ACCORDINGLY, ANY SUCH IMPLIED WARRAN-
TIES INCLUDING MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE, OR OTHERWISE,
ARE DISCLAIMED IN THEIR ENTIRETY AFTER THE
EXPIRATION OF THE APPROPRIATE THREE-YEAR
OR NINETY DAY WARRANTY PERIOD. TECHTRONIC
INDUSTRIES NORTH AMERICA, INC.’S OBLIGATION
UNDER THIS WARRANTY IS STRICTLY AND EX-
CLUSIVELY LIMITED TO THE REPAIR OR REPLACE-
MENT OF DEFECTIVE PARTS AND TECHTRONIC
INDUSTRIES NORTH AMERICA, INC. DOES NOT
ASSUME OR AUTHORIZE ANYONE TO ASSUME FOR
THEM ANY OTHER OBLIGATION. SOME STATES
DO NOT ALLOW LIMITATIONS ON HOW LONG AN
IMPLIED WARRANTY LASTS, SO THE ABOVE LIMI-
TATION MAY NOT APPLY TO YOU.
TECHTRONIC INDUSTRIES NORTH AMERICA, INC.
ASSUMES NO RESPONSIBILITY FOR INCIDENTAL,
CONSEQUENTIAL, OR OTHER DAMAGES INCLUD-
ING, BUT NOT LIMITED TO EXPENSE OF RETURN-
ING THE GAS POWER HEAD TO A GAS POWER
HEAD AUTHORIZED SERVICE DEALER AND EX-
PENSE OF DELIVERING IT BACK TO THE OWNER,
MECHANIC’S TRAVEL TIME, TELEPHONE, OR
TELEGRAM CHARGES, RENTAL OF A LIKE PROD-
UCT DURING THE TIME WARRANTY SERVICE IS
BEING PERFORMED, TRAVEL, LOSS, OR DAMAGE
TO PERSONAL PROPERTY, LOSS OF REVENUE, LOSS
OF USE OF THE PRODUCT, LOSS OF TIME, OR IN-
CONVENIENCE. SOME STATES DO NOT ALLOW THE
EXCLUSION OR LIMITATION OF INCIDENTAL OR
CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMI-
TATION OR EXCLUSION MAY NOT APPLY TO YOU.
This warranty gives you specic legal rights, and you may
also have other rights, which vary, from state to state.
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dans d''autres langues
- English: Toro 25cc Power Head User manual
- español: Toro 25cc Power Head Manual de usuario
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