Operator’s Manual
2-Cycle
GAS HEDGE TRIMMER
Model TB25GHT
• SAFETY
• ASSEMBLY
• OPERATION
• MAINTENANCE
• PARTS LIST
CAUTION: Before using this product,
read this manual and follow all safety
rules and operating instructions.
P/N 9096-MD2001
PRINTED IN TAIWAN
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RULES FOR SAFE OPERATION
The purpose of safety symbols is to attract your atten-
SYMBOL
MEANING
tion to possible dangers. The safety symbols, and their
explanations, deserve your careful attention and under-
standing. The safety warnings do not by themselves
eliminate any danger. The instructions or warnings they
give are not substitutes for proper accident prevention
measures.
Failure to obey a safety
warning may result in
DANGER:
serious injury to yourself or to others. Always
follow the safety precautions to reduce the
risk of fire, electric shock and personal injury.
SYMBOL
MEANING
Indicates
danger,
Failure to obey a
SAFETY ALERT:
WARNING:
safety warning can
warning or caution. Attention is required in
order to avoid serious personal injury. May
be used in conjunction with other symbols
or pictographs.
result in injury to yourself and others.
Always follow the safety precautions to
reduce the risk of fire, electric shock and
personal injury.
Failure to obey a
NOTE: Advises you of information or instructions vital to
CAUTION:
safety warning may
the operation or maintenance of the equipment.
result in property damage or personal injury
to yourself or to others. Always follow the
safety precautions to reduce the risk of fire,
electric shock and personal injury.
Read the Operator’s Manual(s) and follow all warnings
and safety instructions.
Failure to do so can result in serious injury to the
operator and/or bystanders.
• IMPORTANT SAFETY INSTRUCTIONS •
READ ALL INSTRUCTIONS
BEFORE OPERATING
• Read the instructions carefully. Be familiar with the con-
trols and proper use of the unit.
FUEL SAFETY WARNINGS
Gasoline is highly
flammable, and its
WARNING:
vapors can explode if ignited. Take the follow-
ing precautions:
When using the unit,
WARNING:
you must follow the
• Store fuel only in containers specifically designed and
approved for the storage of such material.
safety rules. Please read these instructions
before operating the unit in order to ensure the
safety of the operator and any bystanders.
Please keep these instructions for later use.
• Avoid creating a source of ignition for spilled fuel. Do
not start the engine until fuel vapors dissipate.
• Always stop the engine and allow it to cool before
filling the fuel tank. Never remove the cap of the fuel
tank, or add fuel, when the engine is hot. Never
operate the unit without the fuel cap securely in place.
Loosen the fuel tank cap slowly to relieve any pressure
in the tank.
• Do not operate this unit when tired, ill, or under the
influence of alcohol, drugs, or medication.
• Children must not operate the unit. Teens must be
accompanied and guided by an adult.
• All guards and safety attachments must be installed
properly before operating the unit.
• Add fuel in a clean, well-ventilated outdoor area where
there are no sparks or flames. Slowly remove the fuel
cap only after stopping engine. Do not smoke while
fueling or mixing fuel. Wipe up any spilled fuel from the
unit immediately. Always wipe unit dry before using.
• Inspect the unit before use. Replace damaged parts.
Check for fuel leaks. Make sure all fasteners are in
place and secure. Replace parts that are cracked,
chipped, or damaged in any way. Do not operate the
unit with loose or damaged parts.
• Move the unit at least 30 feet (9.1 m) from the fueling
source and site before starting the engine. Do not
smoke. Keep sparks and open flames away from the
area while adding fuel or operating the unit.
• Carefully inspect the area before starting the unit.
Remove all debris and hard or sharp objects such as
glass, wire, etc.
• Clear the area of children, bystanders, and pets. At a
minimum, keep all children, bystanders, and pets out-
side a 50 feet (15 m.) radius; there still may be a risk to
bystanders from thrown objects. Bystanders should be
encouraged to wear eye protection. If you are
approached, stop the unit immediately.
3
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RULES FOR SAFE OPERATION
WHAT TO DO
WHAT NOT TO DO
READ YOUR USER MANUAL AND ALL SUPPLEMENTS
(IF ANY ENCLOSED)THOROUGHLY BEFORE OPERAT-
ING YOUR UNIT.
1. DO NOT USE ANY OTHER FUEL than that recom-
mended in your manual. Always follow instructions in
the Fuel and Lubrication section of this manual. Never
use gasoline unless it is properly mixed with 2-cycle
engine lubricant. Permanent damage to engine will
result, voiding manufacturer’s warranty.
1. WEAR CLOSE FITTING, TOUGH WORK CLOTHING
that will provide protection, such as long slacks or
trousers, safety work shoes, heavy duty work gloves,
hard hat, a safety face shield, or safety glasses for eye
protection and a good grade of ear plugs or other
sound barriers for hearing protection.
2. DO NOT SMOKE while refueling or operating equip-
ment.
3. DO NOT OPERATE UNIT WITHOUT A MUFFLER
and properly installed muffler shield.
4. DO NOT TOUCH or let your hands or body come in
contact with the muffler. Hold unit with thumbs and fin-
gers encircling the handles.
2
REFUEL IN A SAFE PLACE. Open fuel cap slowly to
release any pressure which may have formed in fuel
tank. To prevent a fire hazard, move at least 30 feet
(9.1 meters) from fueling area before starting.
3. COMPLY WITH ALL FIRE PREVENTION REGULA-
TIONS. COMPLIANCE WITH ALL LOCAL, STATE,
OR FEDERAL LAWS IN THE UNITED STATES IS
THE USER’S RESPONSIBILITY.Your unit comes with
a spark arrester screen furnished in the user kit.
Replacement spark arrester screen kits are available
at your nearest Troy Bilt Authorized Service Center.
Call 1-800-520-5520 fro nearest location.
5. DO NOT OPERATE UNIT IN AWKWARD POSI-
TIONS, off balance, outstretched arms, or one-hand-
ed. Always use two hands when operating.
4. TURN UNIT OFF before setting it down.
5. ALWAYS HOLD UNIT FIRMLY WITH BOTH HANDS,
the thumb and fingers encircling the handles.
6. KEEP ALL SCREWS AND FASTENERS TIGHT.
Never operate this equipment if it is improperly adjust-
ed or not completely and securely assembled.
7. KEEP HANDLES DRY, clean and free of fuel mixture.
8. CHECK AREA YOU WILL BE TRIMMING FOR
DEBRIS that may be struck or thrown during opera-
tion.
9. KEEP ALL PARTS OF YOUR BODY AND CLOTHING
AWAY FROM TRIMMER BLADES when starting or
running engine. Before starting engine, make sure
trimmer blades will not come in contact with any
obstacle.
10. STOP ENGINE before examining trimmer blades.
11. STORE EQUIPMENT AWAY FROM POSSIBLE IGNI-
TION SOURCES, such as gas-powered water
heaters, clothes dryers, or oil-fired furnaces, portable
heaters, etc.
12. ALWAYS KEEP THE BLADE GUIDES AND BLADES
FREE OF DEBRIS BUILD-UP. Turn ignition switch to
OFF position and remove spark plug boot to avoid any
chance of accidental starting before cleaning blades
or performing any mainenance.
13. OPERATION OF EQUIPMENT should always be
restricted to mature and properly instructed individu-
als.
4
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RULES FOR SAFE OPERATION
SPECIAL NOTE: Exposure to vibrations through pro-
HEDGE TRIMMER SAFETY RULES
1. The Hedge Trimmer must not be used by anyone
under the age of 16.
2. Keep children, other people and pets away from the
trimmer.
3. Always dress properly. Don’t wear loose clothing or
jewelry; they can be caught in moving parts. Use of
gloves and substantial footwear is recommended
when working outdoors. Wear protective hair covering
to contain long hair.
4. Use face or dust mask if operation is dusty.
5. Do not use the trimmer if the cutting device is not
secured properly or is damaged.
longed use of gasoline powered hand tools could cause
blood vessel or nerve damage in the fingers, hands, and
joints of people prone to circulation disorders or abnor-
mal swelling. Prolonged use in cold weather has been
linked to blood vessel damage in otherwise healthy peo-
ple. If symptoms occur such as numbness, pain, loss of
strength, change in skin color or texture, or loss of feeling
in the fingers, hands or joints, discontinue use of this tool
and seek medical attention. An anti-vibration system
does not guarantee avoidance of these problems. Users
who operate power tools on a regular basis must closely
monitor their physical condition and the condition of this
tool.
6. Before starting the trimmer, make sure that the cutting
blade is not touching stones or debris.
7. When the trimmer is in operation, keep the cutting
section away from all parts of the body.
8. Do not cut against hard objects. This could cause
injury or damage the trimmer.
SAVE THESE INSTRUCTIONS
9. Only cut during broad daylight or with corresponding
artificial light.
10. When the trimmer is not in use, store it in a dry place
and out of the reach of children.
11. Never use the trimmer when it is raining.Try to prevent
it from getting wet or being exposed to humidity. Do
not leave it outside overnight. Do not cut damp or wet
bushes.
12. Do not attempt to remove cut material or hold materi-
al to be cut when blades are moving. Make sure trim-
mer switch is off when clearing jammed material from
blades. Do not grasp the exposed cutting blades or
cutting edges when picking up or holding the hedge
trimmer.
13. Don’t force hedge trimmer, it will do the job better and
with less likelihood of risk of injury at the rate for which
it was designed.
14. Stay alert, watch what you are doing. Use common
sense. Do not operate hedge trimmer when you are
tired.
15. Maintain hedge trimmer with care, keep cutting blades
sharp and clean for best performance and to reduce
the risk of injury. Keep handles dry, clean and free
from oil and grease.
5
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RULES FOR SAFE OPERATION
SAFETY AND INTERNATIONAL SYMBOLS
This operator's manual describes safety and international symbols and pictographs that may appear on this product.
Read the operator's manual for complete safety, assembly, operating and maintenance and repair information.
SYMBOL
MEANING
SYMBOL
MEANING
• PRIMER BULB
• SAFETY ALERT SYMBOL
Pump the primer bulb 10 times.
Indicates danger, warning, or caution.
May be used in conjunction with
other symbols or pictographs.
• UNLEADED FUEL
Always use clean, fresh unleaded fuel.
• READ OPERATOR'S MANUAL
WARNING:
Read the
Operator’s Manual(s) and follow
all warnings and safety
• OIL
instructions. Failure to do so can
result in serious injury to the
operator and/or bystanders.
Refer to operator's manual for the
proper type of oil.
• WEAR EYE, HEARING AND HARD-
HAT PROTECTION
• ON/OFF CONTROL
ON / START / RUN
WARNING:
Thrown
objects and loud noise can
cause severe eye injury and
hearing loss. Wear eye protec-
tion meeting ANSI Z87.1-1989
standards and ear protection
when operating this unit. Wear a
hard hat. Use a full face shield
when needed.
• ON/OFF CONTROL
OFF OR STOP
• MINIMUM OPERATING DISTANCE
• BLUE CHOKE LEVER POSITIONS
1 • FULL Choke Position
WARNING:
Keep
children, bystanders, and
animals 50 feet (15 meters)
away. If approached stop unit
immediately.
2 • PARTIAL Choke Position
3 • RUN Position
• DO NOT USE IN THE RAIN
WARNING:
Avoid danger-
ous environments. Never operate
your unit in the rain, or in damp or
wet conditions. Moisture is a shock
hazard.
6
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RULES FOR SAFE OPERATION
KNOW YOUR HEDGE TRIMMER
4
3
5
6
7
1
2
8
9
10
11
12
13
14
15
11. Starter Handle
12. Safety Switch
13. Rear Handle
14. Throttle Trigger
15. Muffler Cover
HEDGE TRIMMER COMPONENTS
1. Blades
2. Safety Guard
3. Front Handle
4. Primer Bulb
5. Fuel Cap
6. ON-OFF Switch
7. Throttle Lock
8. Choke Lever
9. Air Filter Cover
10. Spark Plug
7
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OIL AND FUEL INFORMATION
OIL AND FUEL MIXING INSTRUCTIONS
To Obtain Correct Fuel Mix:
Old and/or improperly mixed fuel are the main reasons
for the unit not running properly. Be sure to use fresh,
(less than 30 days old) clean unleaded fuel. Follow the
instructions carefully for the proper fuel/oil mixture.
Thoroughly mix the proper ratio of 2-cycle engine oil with
unleaded gasoline in a separate fuel can. Use a 40:1
fuel/oil ratio. Do not mix them directly in the engine fuel
tank. See the table below for specific gas and oil mixing
ratios.
Definition of Blended Fuels
NOTE: One gallon (3.8 liters) of unleaded gasoline mixed
with one 3.2 oz. (95 ml.) bottle of
Today's fuels are often a blend of gasoline and oxy-
genates such as ethanol, methanol, or MTBE (ether).
Alcohol-blended fuel absorbs water. As little as 1% water
in the fuel can make fuel and oil separate and leads to
formation of acids during storage. When using alcohol-
blended fuel, use fresh fuel.
2-cycle oil makes a 40:1 fuel/oil ratio.
Using Blended Fuels
If you choose to use a blended fuel, or its use is unavoid-
able, follow recommended precautions:
+
• Always use the fresh fuel mix explained in your opera-
tor's manual
UNLEADED GAS
2 CYCLE OIL
1 GALLON US
(3.8 LITERS)
3.2 FL. OZ.
(95 ml)
• Always agitate the fuel mix before fueling the unit
• Drain the tank and run the engine dry before storing the
unit
1 LITER
25 ml
MIXING RATIO - 40:1
Using Fuel Additives
The bottle of 2-cycle oil that came with your unit contains
a fuel additive which will help inhibit corrosion and mini-
mize the formation of gum deposits. It is recommended
that you use our 2-cycle oil with this unit.
Gasoline is
WARNING:
extremely flamma-
ble. Ignited Vapors may explode. Always
stop the engine and allow it to cool before
filling the fuel tank. Do not smoke while fill-
ing the tank. Keep sparks and open flames
at a distance from the area.
If unavailable, use a good 2-cycle oil designed for
air-cooled engines along with a fuel additive, such as
STA-BIL® Gas Stabilizer or an equivalent. Add 0.8 oz.
(23 ml.) of fuel additive per gallon of fuel according to the
instructions on the container. NEVER add fuel additives
directly to the unit's fuel tank.
Remove fuel cap
WARNING:
slowly to avoid injury
from fuel spray. Never operate the unit without
For proper engine
CAUTION:
the fuel cap securely in place
.
operation and maxi-
mum reliability, pay strict attention to the
oil and fuel mixing instructions on the
2-cycle oil container. Using improperly
mixed fuel can severely damage the
engine.
Add fuel in a clean,
well ventilated out-
door area. Wipe up any spilled fuel immedi-
ately. Avoid creating a source of ignition for
spilled fuel. Do not start the engine until fuel
vapors dissipate.
WARNING:
NOTE: Dispose of the old fuel/oil mix in accordance to
Federal, State and Local regulations.
8
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STARTING/STOPPING INSTRUCTIONS
STARTING A COLD ENGINE (Above 55˚F)
Mix the bottle of 2-cycle oil (included) with 1 gallon of
unleaded gasoline (less than 30 days old). Combine them
in a separate container using a 40:1 ratio. Pour into fuel
tank.
1. Move on/off ignition switch to the “RUN (I) ” position.
(Figure 1)
2. Your unit is designed with a 3 position choke: FULL
CHOKE “ ”, PARTIAL CHOKE “ ”, and RUN “ ”.
Move choke lever to FULL CHOKE “ ” position.
(Figure 2)
Fig. 2
A
3. Prime the carburetor. Pump the primer bulb (A) 10
times (Figure 3).
4. Set throttle advance by squeezing trigger and at the
same time depressing throttle lock (B). (Figure 4)
5. With the unit on the ground, hold the front handle and
step on the bottom of the frame with foot. Pull starter
rope 3 times. (Figure 5)
Fig. 3
TM
NOTE: The unit uses the Spring Assist starting system,
which significantly reduces the effort required to start the
engine. You must pull the starter rope out far enough to
hear the engine attempt to start. There is no need to pull
the rope briskly--there is no harsh resistance when
pulling. Be aware that this starting method is vastly differ-
ent from (and much easier than) what you may be used to.
6. Move choke lever to PARTIAL CHOKE “ ” position
then pull starter rope 4 times (Figure 6) Engine should
start.
B
Fig. 4
7. After engine starts move the choke lever to RUN “
”
position.Warm up 30 seconds in idle then depress trig-
ger. (Figure 7)
8. If engine fails to start, repeat steps 1 through 6.
NOTE: If engine fails to start after repeated attempts,
refer to Troubleshooting section.
NOTE: Always pull starter rope straight out. Pulling
starter at an angle will cause rope to rub against the eye-
let. This friction will cause the rope to fray and wear more
quickly. Always hold starter handle when rope retracts.
Never allow rope to snap back from extended position.
This could cause rope to snag or fray and also damage
the starter assembly.
Fig. 5
Fig. 6
Fig. 1
Fig. 7
9
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STARTING/STOPPING INSTRUCTIONS
WARM ENGINE START
1. Move ignition switch to the “RUN (I)” position.
2. Place choke in PARTIAL CHOKE “ ” position (Figure
8).
Normal Stopping Method. For normal stopping, release
trigger and allow engine to return to idle speed. Then
DEPRESS the OFF “STOP ” switch until the engine
stops completely. (Figure 10)
3. Grasp throttle handle firmly, depress safety trigger, and
squeeze throttle trigger to FULL position.
4. Pull starter rope briskly until engine starts, but no more
than 6 times. Keep throttle at FULL position until engine
runs smoothly. Move choke lever to “ ” position.
5. If engine does not start, place choke lever in RUN “
”
position and pull starter rope 5 more times. If engine
still does not start it is probably flooded. Wait 5 minutes
and repeat procedure with choke lever in RUN “
position and throttle full open.
”
Fig. 10
Fig. 8
IDLING/CARBURETOR ADJUSTMENT
1. Occassionally, due to atmospheric conditions such as
altitude it might be necessary to make slight adjustment
to idle speed.
2. Insert phillips or flat screwdriver into access hole A (fig-
ure 9). Turn 1/8 turn clockwise to increase idle speed
and 1/8 turn counterclockwise to decrease idle speed.
A
Fig. 9
STOPPING THE ENGINE
Emergency Stopping Procedure. When it is necessary
to stop engine immediately, DEPRESS the OFF “STOP
” switch until the engine stops completely (Figure 10).
10
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TRIMMING INSTRUCTIONS
ADDITIONAL SAFETY PRECAUTIONS
Before operating your unit, review ALL SAFETY PRECAU-
TIONS in this manual.
WARNING / CAUTION
•
IF UNFAMILIAR WITH TRIMMING techniques, prac-
tice the procedures with ENGINE in “OFF” position.
•
ALWAYS CLEAR WORK area of debris such as cans,
bottles, rocks, etc. Striking objects can cause serious
injury to operator or bystanders and also damage
equipment. If an object is accidentally hit, immediately
TURN ENGINE OFF and examine equipment. Never
operate unit with damaged or defective equipment.
Fig. 11
•
ALWAYS TRIM OR CUT AT HIGH ENGINE SPEEDS.
Do not run engine slowly at start or during trimming
operations.
4. SIDE-TRIMMING HEDGES. Hold the trimmer as
shown and begin at the bottom and sweep up. (Fig.
12)
•
•
DO NOT use equipment for purposes other than trim-
ming.
DO NOT operate unit with other people or animals in
the immediate vicinity. Allow a minimum of 50 feet (15
meters) between operator and other people and ani-
mals when trimming.
TRIMMING INSTRUCTIONS
1. WORKING POSITION. Maintain proper footing and
balance and do not overreach. Wear safety goggles,
non-skid footwear and gloves when trimming. Hold the
tool firmly in both hands and turn the tool ON. Always
hold the trimmer, as shown in the illustrations, with
one hand on the body handle and one hand on the
front handle. Never hold the tool by the blade guard.
Fig. 12
2. TRIMMING NEW GROWTH. A wide, sweeping
motion, feeding the blade teeth through the twigs is
most effective. A slight downward tilt of the blade, in
the direction of motion gives the best cutting. (Fig. 11)
3. LEVEL HEDGES. To obtain exceptionally level
hedges, a piece of string can be stretched along the
length of the hedge as a guide.
Do not use the trim-
CAUTION:
mer for cutting stems
greater than 3/4”. Use the trimmer only for cut-
ting normal shrubbery found around houses
and buildings.
11
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MAINTENANCE AND REPAIR INSTRUCTIONS
MAINTENANCE SCHEDULE
Perform these required maintenance procedures at the fre-
quency stated in the table. These procedures should also
be a part of any seasonal tune-up.
To prevent serious
WARNING:
injury, never perform
maintenance or repairs with unit running.
Always service and repair a cool unit.
Disconnect the spark plug wire to ensure that
the unit cannot start.
NOTE: Maintenance, replacement, or repair of the
emission control devices and system may only be
performed by a Troy Bilt or other qualified serv-
ice dealer.
A good preventive maintenance program of regular inspection and care will increase life and improve performance of your
trimmer. This maintenance checklist is a guide for such a program.
Cleaning, adjustment, and part replacement may be required, under certain conditions, at more frequent intervals than
those indicated.
CUSTOMER RESPONSIBILITY
HOURS OF
OPERATION
EACH USE
MAINTENANCE CHECKLIST
ITEM
ACTION
10
20
SCREWS / NUTS / BOLTS
AIR FILTER
INSPECT / TIGHTEN
CLEAN OR REPLACE
REPLACE
FUEL FILTER
SPARK PLUG
CLEAN / ADJUST / REPLACE
INSPECT
SPARK ARRESTER SCREEN
REPLACE
FUEL HOUSE
BLADE
INSPECT
REPLACE AS REQUIRED
INSPECT
REPLACE AS REQUIRED
12
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MAINTENANCE AND REPAIR INSTRUCTIONS
CLEANING TRIMMER BLADES
Trimmer blades should be cleaned periodically to remove
sap and accumulated debris.
AIR FILTER
NEVER operate
hedge trimmer with-
out the air filter. The air filter must be kept
clean. If it becomes damaged, install a new fil-
ter.
CAUTION:
To Clean Blades:
1. Turn ignition switch to “STOP” position. Remove spark
plug boot.
DO NOT loosen the
bolts or nuts retaining
the blades to the bar. This operation is intended
to be performed by a Troy Bilt Authorized
Service Center.
CAUTION :
To Clean Air Filter:
1. Remove cover (A) by depressing clip on front of cover
and lift filter (B) from air box (Figure 13 & Figure 14).
2. Wash filter in soap and water. DO NOT USE GASO-
LINE!
3. Air dry filter and cover.
4. Reinstall filter.
NOTE: Replace filter if frayed, torn, damaged or unable
to be cleaned.
2. Wash blades with kerosene. Use a stiff bristle brush to
remove dirt, debris or sap that has accumulated on
blades.
3. Reinstall spark plug boot.
DO NOT OIL or lubri-
cate trimmer blades. It
is important that blades have complete running
freedom.
A
CAUTION :
4. The cutting blades are made from high quality, hard-
ened steel and with normal usage, they will not require
resharpening. However, if you accidentally hit a wire
fence, stones, glass or other hard objects, you may put
a nick in the blade.There is no need to remove this nick
as long as it does not interfere with the movement of
the blade. If it does interfere, use a fine toothed file or
sharpening stone to remove the nick.
5. If you drop the trimmer, carefully inspect it for damage.
If the blade is bent, housing cracked, or handles broken
or if you see any other condition that may affect the
trimmer’s operation contact a professional service cen-
ter for repairs before putting it back into use.
Fig. 13
B
6. Do not store unit near fertilizers as they contain coro-
sives that may cause the blade to rust more rapidly.
Fig. 14
13
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MAINTENANCE AND REPAIR INSTRUCTIONS
FUEL CAP / FUEL FILTER
IDLE ADJUSTMENT
The carburetor was pre-set at the factory for optimum
performance. If further adjustments are necessary take
your hedge trimmer to a Troy Bilt or other qualified serv-
ice dealer.
Remove fuel from unit
and store in approved
CAUTION:
container before starting this procedure. Open
fuel cap slowly to release any pressure which
may have formed in fuel tank.
SPARK PLUG
1. To remove spark plug (B) (Fig. 19) for cleaning or
replacement: make sure engine is off, spark plug is
cool, then grasp spark plug boot firmly and remove
from spark plug. Remove spark plug with correct
spark plug tool. Inspect, clean or replace as needed.
2. Spark plug gap = .025" (.635mm) (Figure 18).
3. Torque to 120 inch pounds (12 to 15 N•m). Connect
spark plug boot.
Fuel Filter:
1. Completely remove fuel cap (A) from fuel tank (B) to
be able to remove fuel filter (D) from tank. Use a
piece of wire (C) with a hook formed at the end to pull
filter out of tank. (Figure 15 & Figure 16)
2. Pull filter (D) off with a twisting motion.
3. Replace fuel filter (D). (Figure 17)
NOTE: Never operate the hedge trimmer without the fuel
filter. Internal engine damage could result!
4. If needed, replace spark plug with spark plug RDJ7Y
or equivalent.
.025" (.635mm)
A
Spark
Plug
Fig. 15
Fig. 18
C
B
B
Fig. 16
Fig. 19
D
Fig. 17
14
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MAINTENANCE AND REPAIR INSTRUCTIONS
STORING A UNIT
Failure to follow these steps may cause varnish to form in
the carburetor and difficult starting or permanent damage
following storage.
1. Perform all the general maintenance recommended in
the Maintenance Section of your User Manual.
2. Clean outside surface of unit.
3. Drain fuel from the fuel tank.
4. After fuel is drained, start engine.
5. Run engine at idle until unit stops. This will purge the
carburetor of fuel.
6. Allow engine to cool (approx. 5 minutes).
7. Using a spark plug wrench, remove the spark plug.
8. Pour 1 teaspoon of clean 2-cycle oil into the combus-
tion chamber. Pull starter rope slowly several times to
coat internal components. Replace spark plug.
9. Store unit in a cool, dry place away from any source
of ignition such as an oil burner, water heater, etc.
REMOVING A UNIT FROM STORAGE
1. Remove spark plug.
2. Pull starter rope briskly to clear excess oil from com-
bustion chamber.
3. Clean and gap spark plug or install a new spark plug
with proper gap.
4. Prepare unit for operation.
5. Fill fuel tank with proper fuel / oil mixture. See Fuel
and Lubrication Section.
15
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TROUBLESHOOTING
UNIT WON’T START OR STARTS BUT WILL NOT RUN
C A U S E
1. Incorrect starting procedures
A C T I O N
1. Follow instructions in the Starting/Stopping section
2. Incorrect carburetor mixture adjustment setting
2. Have carburetor adjusted by a Troy Bilt or other
qualified service dealer
3. Fouled spark plug
3. Clean/gap or replace plug
4. Empty fuel tank
4. Fill fuel tank with properly mixed fuel
5. Press primer bulb fully and slowly 10 times
5. Primer bulb was not pressed enough
UNIT STARTS, BUT ENGINE HAS LOW POWER
C A U S E
1. Fuel filter is plugged
A C T I O N
1. Replace the fuel filter
2. Incorrect choke lever position
3. Dirty spark arrestor screen
4. Dirty air filter
2. Move choke to Position 3
3. Replace spark arrestor screen
4. Remove, clean and reinstall filter
5. Incorrect carburetor mixture adjustment setting
5. Have carburetor adjusted by a Troy Bilt or other qualified
service dealer
ENGINE HESITATES
C A U S E
A C T I O N
1. Incorrect carburetor mixture adjustment setting
1. Have carburetor adjusted by a Troy Bilt or other
qualified service dealer
2. Air filter is plugged
2. Replace or clean the air filter
3. Old or improperly mixed fuel
3. Drain gas tank/add fresh fuel mixture
NO POWER UNDER LOAD
C A U S E
A C T I O N
1. Incorrect carburetor mixture adjustment setting
1. Have carburetor adjusted by a Troy Bilt or other
qualified service dealer
2. Old or improperly mixed fuel
3. Air filter is plugged
2. Drain gas tank (see Storage) add fresh fuel mixture
3. Replace or clean the air filter
4. Fouled spark plug
4. Replace or clean the spark plug
RUNS ERRATICALLY
C A U S E
1. Incorrectly gapped spark plug
A C T I O N
1. Clean/gap or replace plug
2. Plugged spark arrestor
3. Dirty air filter
2. Clean or replace spark arrestor
3. Clean or replace air filter
SMOKES EXCESSIVELY
C A U SE
A C T I O N
1. Incorrect carburetor mixture adjustment setting
1. Have carburetor adjusted by a Troy Bilt or other
qualified service dealer
2. Incorrect fuel mixture
2. Use properly mixed fuel (40:1 mixture)
NOTE: For repairs beyond the minor adjustments listed above, contact your nearest Troy Bilt Parts & Repair center at
(1-800-520-5520) or other qualified service dealer for an adjustment.
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SPECIFICATIONS
Engine Type ................................................................................................................................................. Air-Cooled, 2-Cycle
Displacement........................................................................................................................................................................ 25cc
Speed.................................................................................................................................................... 3000 150 strokes/RPM
Ignition Type ................................................................................................................................................................. Electronic
Ignition Switch ..................................................................................................................................................... Rocker Switch
Spark Plug Gap.......................................................................................................................................... 0.025 in. (0.635 mm)
Lubrication .......................................................................................................................................................... Fuel/Oil Mixture
Fuel/Oil Ratio......................................................................................................................................................................... 40:1
Carburetor .................................................................................................................................................................. with primer
Starter ........................................................................................................................................ Spring AssistTM Starting system
Muffler ............................................................................................................................................................ Baffled with Guard
Fuel Tank Capacity............................................................................................................................................................. 250ml
Blade Leghth.............................................................................................................................................................22” (550mm)
Max. Cutting Thickness..........................................................................................................................................................3/4”
Dry Weight ...........................................................................................................................................................13.2 lbs (6.0 kg)
17
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PARTS LIST
18
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California / EPA Emission Control Warranty Statement
Your Warranty Rights and Obligations
The California Air Resources Board, The Environmental Protection Agency and Troy Bilt are pleased to explain the emission
control system warranty on your 2005 and later small off-road engine. In California and the 49 states, new small off-road
engines must be designed, built and equipped to meet stringent anti-smog standards. Troy Bilt must warrant the emission
control system on your small off-road engine for the periods of time listed below provided there has been no abuse, neg-
lect or improper maintenance of your small off-road engine.
Your Emission control system may include parts such as the carburetor or fuel-injection system, the ignition system, and cat-
alytic converter. Also included may be hoses, belts, connectors and other emission-related assemblies.
Where a warrantable condition exists, Troy Bilt will repair your small off-road engine at no cost to you including diagnosis,
parts and labor.
The 2005 and later small off-road engines are warranted for two years. If any emission-related part on your engine is
defective, the part will be repaired or replaced by Troy Bilt.
Owner’s Warranty Responsibilities
• As the small off-road engine owner, you are responsible for the performance of the required maintenance listed in your
operator’s manual. Troy Bilt recommends that you retain all receipts covering maintenance on your small off-road engine,
but Troy Bilt cannot deny warranty solely for the lack of receipts or for your failure to ensure the performance of all sched-
uled maintenance.
• As the small off-road engine owner, you should however be aware that Troy Bilt may deny you warranty coverage if your
small off-road engine or a part has failed due to abuse, neglect, improper maintenance or unapproved modifications.
• You are responsible for presenting your small off-road engine to a Troy Bilt authorized service center as soon as problem
exists. The warranty repairs should be completed in a reasonable amount of time, not to exceed 30 days.
If you have any questions regarding your warranty rights and responsibilities, you should call 1-800-520-5520.
Manufacturer’s Warranty Coverage
• The warranty period begins on the date the engine or equipment is delivered to the retail purchaser.
• The manufacturer warrants to the initial owner and each subsequent purchaser, that the engine is free from defects in mate-
rial and workmanship which cause the failure of a warranted part for a period of two years.
• Repair and replacement of warranted part will be performed at no charge to the owner at an authorized Troy Bilt service
center. For the nearest location please contact Troy Bilt at: 1-800-520-5520.
• Any warranted part which is not scheduled for replacement, as required maintenance or which is scheduled only for regu-
lar inspection to the effect of “Repair or Replace as Necessary” is warranted for the period. Any warranted part which is
scheduled for replacement as required maintenance will be warranted for the period of time up to the first scheduled
replacement point for that part.
• The owner will not be charged for diagnostic labor which leads to the determination that a warranted part is defective if the
diagnostic work is performed at an authorized Troy Bilt Service Center.
• The manufacturer is liable for damages to other engine components caused by the failure of a warranted part still under
warranty.
• Failures caused by abuse, neglect or improper maintenance are not covered under warranty.
• The use of add-on or modified parts can be grounds for disallowing a warranty claim. The manufacturer is not liable to cover
failures of warranted parts caused by the use of add-on or modified parts.
• In order to file a claim, go to your nearest authorized Troy Bilt Service Center. Warranty service or repairs will be provided
at all authorized Troy Bilt Service Centers.
• Any manufacturer approved replacement part may be used in the performance of any warranty maintenance or repair of
emission related parts and will be provided without charge to the owner. Any replacement part that is equivalent in perform-
ance or durability may be used in non-warranty maintenance or repair and will not reduce the warranty obligations of the
manufacturer.
• The following components are included in the emission related warranty: engine, air filter, carburetor, primer, fuel lines, fuel
pick up/fuel filter, ignition module, spark plug and muffler.
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MANUFACTURER’S LIMITED WARRANTY FOR:
No implied warranty, including any implied warranty of
The limited warranty set forth below is given by Troy-Bilt
LLC with respect to new merchandise purc hased and
used in the United States, its possessions and territories.
merchantability or fitness for a particular purpose,
applies after the applicable period of express written
warranty above as to the parts as identified. No other
express warranty or guaranty, whether written or oral,
except as mentioned above, given by any person or
entity, including a dealer or retailer, with respect to any
product shall bind Troy-Bilt LLC During the period of
the Warranty, the exclusive remedy is repair or replace-
ment of the product as set forth above. (Some states do
not allow limitations on how long an implied warranty lasts,
so the above limitation may not apply to you.)
Troy-Bilt LLC warrants this product against defects in
material and workmanship for a period of two (2) years
commencing on the date of original purchase and will, at
its option, repair or replace, free of charge, any part found
to be defective in material or workmanship. This limited
warranty shall only apply if this product has been operated
and maintained in accordance with the Operator’s Manual
furnished with the product, and has not been subject to
misuse, abuse, commercial use, neglect, accident, improp-
er maintenance, alteration, vandalism, theft, fire, water or
damage because of other peril or natural disaster. Damage
resulting from the installation or use of any accessory or
attachment not approved by Troy-Bilt LLC for use with the
product(s) covered by this manual will void your warranty
as to any resulting damage. This warranty is limited to nine-
ty (90) days from the date of original retail purchase for any
Troy-Bilt product that is used for rental or commercial pur-
poses, or any other income-producing purpose.
The provisions as set forth in this Warranty provide the
sole and exclusive remedy arising from the sales. Troy-
Bilt LLC shall not be liable for incidental or consequen-
tial loss or damages including, without limitation,
expenses incurred for substitute or replacement lawn
care services, for transportation or for related expens-
es, or for rental expenses to temporarily replace a war-
ranted product. (Some states do not allow limitations on
how long an implied warranty lasts, so the above limitation
may not apply to you.)
HOW TO OBTAIN SERVICE: Warranty service is available,
WITH PROOF OF PURCHASE THROUGH YOUR LOCAL
AUTHORIZED SERVICE DEALER. To locate the dealer in
listing in the Yellow Pages, call 1-800-520-5520 or write to
In no event shall recovery of any kind be greater than the
amount of the purchase price of the product sold.
Alteration of the safety features of the product shall void
this Warranty. You assume the risk and liability for loss,
damage, or injury to you and your property and/or to oth-
ers and their property arising out of the use or misuse or
inability to use the product.
P.O. Box 361131, Cleveland, OH 44136-0019
.
This limited warranty does not provide coverage in the
following cases:
This limited warranty shall not extend to anyone other than
the original purchaser, original lessee or the person for
whom it was purchased as a gift.
A. Tune-ups - Spark Plugs, Carburetor Adjustments,
Filters
B. Wear items - Starter Pulley and Starter Rope
How State Law Relates to this Warranty: This warranty
gives you specific legal rights, and you may also have other
rights which vary from state to state.
C. Troy-Bilt LLC does not extend any warranty for prod-
ucts sold or exported outside of the United States of
America, its possessions and territories, except those
sold through Troy-Bilt’s authorized channels of export
distribution.
To locate your nearest service dealer dial 1-800-520-5520.
Troy-Bilt LLC reserves the right to change or improve the
design of any Troy-Bilt Product without assuming any obli-
gation to modify any product previously manufactured.
Troy-Bilt LLC
P.O. Box 361131
Cleveland, OH 44136-0019
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STOP
ALTO
For problems or questions, DO NOT
return this product to the store.
Contact your Customer Service Agent .
Para problemas o preguntas, NO devolver este
producto a la tienda Contacte a su Agente de
Servicio al Cliente.
U.S.A. Imported by:
For Consumer Assistance Please Call
MTD LLC
P.O. Box 361131
Cleveland, OH 44136-0019
Para La Ayuda Del Consumidor Llame Por Favor
U.S.A. 1-800-520-5520
Made in China / Hecho en China
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