Troybilt TB425CS, 41ADT42C063 Owner’s Manual
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Operator's Manual
4-Cycle
Gasoline Trimmer
Model TB425CS
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
P/N 769-00442 (10/02)
PRINTED IN USA
Content Page
Calling Customer Support .................................................... 2
Rules for Safe Operation ..................................................... 3
Know Your Unit ...................................................... 6
Assembly Instructions ................................................. 7
Oil and Fuel Information ...................................................... 8
Starting/Stopping Instructions ................................................ 10
Operating Instruet=ons ...................................................... 11
Maintenance and Repair Instructions ...................................... 13
Cleaning and Storage ....................................................... 21
Accessories and Replacement Parts ....................................... 21
Troubleshooting Chart ...................................................... 22
Specifications ........................................................... 23
Warranty Information ....................................................... 26
Paris Dst .................................................... Inside Back Cover
NOTE: For users on U.S. Forest Land and in the states of California, Maine, Oregon and Washington. All U.S. Forest Land and the state of
California (Public Resources Codes 4442 and 4443), Oregon and Washington require_ by law that certain internal combustion engines operated
on forest brush and/or grass-covered areas be equipped with a spark arrestor, maintained in effective working order, or the engine be
constructed, equipped and maintained for the prevention of fire. Check with your state or local authorities for regulations pertaining to these
requirements. Failure to follow these requirements could subject you to liability or a fine, This unit is factory equipped with a spark arrestor, !f
it requires replacement, Accessory Part #180890 Spark Arrestor Screen is available by contacting the service department.
This operator's manual is an important part of your new trimmer. It will help you assemble, prepare and maintain the unit
for best performance. Please read and understand what it says.
Before you start assembling your new equipment, please locate the model plate on the equipment and copy the
information from it in the space provided below. This information is very important if you need help from our Customer
Support Department or an authorized dealer.
ri I- " Modei/ParefitPartHurnber
_e 8 NUmDOr
Copy the model / parent part
MDUPPN:
Set.No:
Copy the seria! number here:
If you have difficulty assembling this product or have any questions regarding the controls, operation or maintenance of
this unit, please call the Customer Support Department.
Ca11,1-(330)-558-7220 or 1-(866)-840-6483 to reach a Customer Support representative. Please have
your
(,'_ unit s model number and serial number ready when you call. See the previous section to locate this
information. You will be asked to enter the serial number in order to process your call.
2
The purpose of safety symbols is to attract your
attention to possible dangers. The safety symbols,
and their explanations, deserve your careful attention
and understanding. The safety warnings do not by
themselves eliminate any danger. The instructions or
warnings they give are not substitutes for proper
accident prevention measures.
SYMBOL MEANING
4_ ' i ' SAFETY ALERT SYMBOL: Indicates
NOTE: Advises you of information or instructions vital
Idanger, warning or caution. Attention is
! i required in order to avoid serious personal
mjury_ May be used in conjunction with
other symbols or pictographs.
to the operation or maintenance of the
equipment.
SYMBOL MEANING
_;i DANGER: Failure to Obey a safety warning
_k WARNING: Failureto obey a safety
_ I i CAUTION: Failure to 0bey a safety warning
will result in serious injury to yourself or to
others. Always follow the safety
precautions to reduce the risk of fire,
electric shock and personal injury.
warning Can result in injury to yourself and
others. Always follow the safety
precautions to reduce the risk of fire,
electric shock and personal injury.
may 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.
California Proposition 65 Warning:
THE ENGINE EXHAUST FROM THIS
PRODUCT CONTAINS CHEMICALS
KNOWN TO THE STATE OF CALIFORNIA
TO CAUSE CANCER, BIRTH DEFECTS
OR OTHER REPRODUCTIVE HARM.
READ ALL INSTRUCTIONS
BEFORE OPERATING
• Read the instructions carefully. Be familiar with the
controls and proper use of the unit.
• Do not operate this unit when tired, ill or under the
influence of alcohol, drugs or medication.
• Children and teens under the age of 15 must not use
the unit, except for teens guided by an adult.
• Inspect the unit before use. Replace damaged parts.
Check for fuel leaks. Make sure all fasteners are in
place and secure. Replace cutting attachment parts
that are cracked, chipped or damaged in any way.
Make sure the cutting attachment is properly installed
and securely fastened. Be sure the cutting attachment
shield is properly attached, and positioned as
recommended. Failure to do so can result in personal
injury to the operator and bystanders, as well as
damage to the unit.
• Use only 0.095 inch (2.41 mm) diameter Genuine
Factory Parts rMreplacement line. Never use metal-
reinforced line, wire or rope. These can break off and
become dangerous projectiles.
• Be aware of the risk of injury to the head, hands and
feet.
• Clear the area to be cut before each use. Remove all
objects such as rocks, broken glass, nails, wire or
string. They can be thrown or become entangled in the
cutting attachment. Clear the area of children,
bystanders, and pets. At a minimum, keep all children,
bystanders and pets outside a 50-foot (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 engine
and cutting attachment immediately.
• Squeeze the throttle control and check that it returns
automatically to the idle position. Make all adjustments
or repairs before using unit.
• This unit was not designed to be used as a
brushcutter. Do not attach or operate this unit with any
type of brushcutting blade or brushcutting attachment.
SAFETY WARNINGS FOR GAS TRIMMERS
its vapors can explode if ignited. Take the
WARNING: Gasoline is highly flammable, and
fo ow ng precaut ons:
• Store fuel only in containers specifically designed and
approved for the storage of such materials.
• 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.
• 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.
• Avoid creating a source of ignition for spilled fuel. Do
not start the engine until fuel vapors dissipate.
• 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.
3
WHILE OPERATING
• Never start or run the unit inside a closed room or
building. Breathing exhaust fumes can kill. Operate
this unit only in a well ventilated outdoor area.
• Wear safety glasses or goggles that are marked as
meeting ANSI Z87.1-1989 standards. Also wear
ear/hearing protection when operating this unit. Wear
a face or dust mask if the operation is dusty. Long
sleeve shirts are recommended.
• Wear heavy, long pants, boots and gloves. Do not
wear loose clothing, jewelry, short pants, sandals or
go barefoot. Secure hair above shoulder level.
• The cutting attachment shield must always be in place
while operating the unit. Do not operate unit without
both trimming lines extended, and the proper line
installed. Do not extend the trimming line beyond the
length of the shield.
• This unit has a clutch. The cutting attachment remains
stationary when the engine is idling. If it does not, have
the unit adjusted by an authorized service technician.
• Adjust the J-handle to your size to provide the best
grip.
• Be sure the cutting attachment is not in contact with
anything before starting the unit.
• Use the unit only in daylight or good artificial light.
• Avoid accidental starting. Be in the starting position
whenever pulling the starter rope. The operator and
unit must be in a stable position while starting. See
Starting/Stopping Instructions.
• Use the right tool. Only use this tool for the purpose
intended.
• Do not overreach. Always keep proper footing and
balance.
• Always hold the unit with both hands when operating.
Keep a firm grip on both the front and rear handle or
grips.
• Keep hands, face, and feet at a distance from all
moving parts. Do not touch or try to stop the cutting
attachment when it is rotating.
• Do not touch the engine or muffler. These parts get
extremely hot from operation. They remain hot for a
short time after you turn off the unit.
• Do not operate the engine faster than the speed
needed to cut, trim or edge. Do not run the engine at
high speed when you are not cutting.
• Always stop the engine when cutting is delayed or
when walking from one cutting location to another.
• If you strike or become entangled with a foreign
object, stop the engine immediately and check for
damage. Do not operate before repairing damage. Do
not operate the unit with loose or damaged parts.
• Stop and switch the engine to off for maintenance,
repair, or for changing the cutting attachment or other
attachments.
Use only Genuine Factory Parts TM replacement parts
and accessories for this unit. These are available from
your authorized service dealer. Use of any
unauthorized parts or accessories could lead to
serious injury to the user, or damage to the unit, and
void your warranty.
• Keep unit clean of vegetation and other materials.
They may become lodged between the cutting
attachment and shield.
• To reduce fire hazard, replace faulty muffler and spark
arrestor, keep the engine and muffler free from grass,
leaves, excessive grease or carbon build up.
OTHER SAFETY WARNINGS
• Never store the unit, with fuel in the tank, inside a
building where fumes may reach an open flame or
spark.
• Allow the engine to cool before storing or transporting.
Be sure to secure the unit while transporting.
• Store the unit in a dry area, locked up or up high
to prevent unauthorized use or damage, out of the
reach of children.
• Never douse or squirt the unit with water or any other
liquid. Keep handles dry, clean and free from debris.
Clean after each use. See the Cleaning and Storage
instructions.
• Keep these instructions. Refer to them often and use
them to instruct other users. If you loan someone this
unit, also loan them these instructions.
SAVE THESE INSTRUCTIONS
4
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
Indicates danger, warning, or //._..._
caution. May be used in conjunction
• SAFETY ALERT SYMBOL __
with other symbols or pictographs. -/
WARNING - READ OPERATOR'S
MANUAL
©
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.
WEAR EYE AND HEARING
PROTECTION
WARNING: Thrown objects and
loud noise can cause severe eye
injury and hearing loss. Wear eye
protection meeting ANSI Z87.1-1989
standards and ear protection when
operating this unit. Usea fullface
shield when needed.
MEANING
• THROWN OBJECTS AND
ROTATING CUTTER CAN CAUSE
SEVERE INJURY
WARNING: Do not operate without
the cutting attachment shield in
place. Keep away from the rotating
cutting attachment.
• ON/OFF STOP CONTROL
ON / START / RUN
• ON/OFF STOP CONTROL
OFF OR STOP
HOT SURFACE WARNING
Do not touch a hot muffler or
cylinder. You may get burned. These
parts get extremely hot from
operation. When turned off they
remain hot for a short time.
KEEP BYSTANDERS AWAY
WARNING: Keep all bystanders,
especially children and pets, at least
50 feet (15 m.) from the operating area.
• UNLEADED FUEL
Always use clean, fresh unleaded fuel.
• OIL
Refer to operator's manual for the
proper type of oil.
SHARPBLADE
WARNING: Sharp blade on cutting
attachment shield. To prevent
serious injury, do not
touch line cutting blade.
5
APPLICATIONS
As a trimmer:
Cutting grass and light weeds
Edging
Decorative trimming around trees, fences, etc.
Other optional accessories may be used with the
TB425CS. Refer to Operating the EZ-Link System for a
list of add-ons.
On/Off Sto_
Shoulder Strap
Spark Arrestor
_Spark Plug
Fuel Cap
Starter Rope Grip
Shaft Grip
Throttle
Control
Line Cutting Blade
Shaft
Housing
EZ.Link TM
\
\
\
\
\
\
\
\
Air Filter Cover
J-Handle
Spark Plug
Primer Bulb
Cutting Attachment
Shield
Engine Feet
Oil Fill Plug / Dipstick
Cutting
6
On some units, the J-handle may be pre-installed. In this
case you must loosen screws and adjust the handle to fit
the operator. Go to step 5 if the J-handle is pre-installed.
INSTALL AND ADJUST THE J-HANDLE
1. Place the J-handle between the top and middle
clamp pieces (Fig. 1).
(4)
Top Clamp
INSTALLING THE CUTTING SHIELD
Use the following instructions if the cutting attachment
shield on your unit is not installed or if you ever need to
re-install it.
J_ [WARNING: Never 0perate the trimmer ]
|without the cutting attachment shield in place |
Jto prevent Serious personal injury. J
1. Place the cutting attachment shield onto the shaft
housing above the clamp assembly (Fig. 4).
Middle Clamp
Bottom Clamp
Nuts _
Fig. 1
2. While holding the three pieces together, install the four
(4) screws through the top clamp and into middle clamp.
NOTE: The holes in the top and middle clamp will line up
only when assembled correctly.
3. Place the clamps and the J-handle over the shaft
housing and onto the bottom clamp.
4. Hold each hex nut in the bottom clamp recess with a
finger. Start screws with a large Phillips screwdriver.
Do not tighten until you make the handle adjustment.
5. Slide the J-handle in or out until the arrow/white line on
the decal touches the clamp assembly (Fig. 2). You must
first loosen the screws if the handle is pre-installed.
Decal (X
Shaft /
Housing /
Clamp
Cutting Attachment
/
Shield
Fig. 4
2.
Push the cutting attachment shield down to the top
of the cutting attachment assembly. Then rotate the
shield until its screw holes line up with the holes in
the cutting attachment. The shield guard should fit
into the recessed pocket (Fig. 4).
(4) Screws
Fig. 2
6. While holding the unit in the operating position (Fig. 3),
position the J-handle to the location that provides you
the best grip.
Fig. 3
7. Tighten the clamp screws evenly, until the J-handle
is secure.
Fig. 5
3. Install the screws with a Phillips screwdriver (Fig. 5).
7
DANGER: OVERFILLING OIL CRANKCASE
MAY CAUSE SERIOUS PERSONAL
INJURY. Check and maintain the proper oil
level in the crank case; it is important and
cannot be overemphasized. Check the oil
before each use and change it as needed.
See Changing the Oil.
RECOMMENDED OIL TYPE
Using the proper type and weight of oil in the crankcase
is extremely important. Check the oil before each use
and change the oil regularly. Failure to use the correct
oil, or using dirty oil, can cause premature engine wear
and failure.
Use a high-quality SAE 30 weight oil of API (American
Petroleum Institute) service class SF, SG, SH.
ADDING OIL TO CRANKCASE: INITIAL USE
NOTE: This unit is shipped without oil. In order to avoid
damage to the unit, put oil in the crankcase
before you attempt to start the unit.
Your unit is supplied with one 3.4 fluid oz. (100 ml.)
bottle of SAE 30 SF, SG, SH oil (Fig. 6).
NOTE: Save the bottle of oil. It can be used to measure
the correct amount during future oil changes.
See Changing the Oil.
1. Unscrew the top of the bottle of oil and remove the
paper seal covering the opening. Replace the top.
Next, cut the tip off the funnel spout (Fig. 6).
2. Place the unit on a flat level surface.
3. Remove the oil plug / dipstick from the crankcase
(Fig. 7).
O-Ring _i
Oil FillPlug/Dipstick- _.._ /
Oil Fill Hole /
Fig. 7
4. Pour the entire bottle of oil into the oil fill hole
(Fig. 8).
Funnel Spout_
8
Fig. 8
NOTE: Never add oil to the fuel or fuel tank.
5. Wipe up any oil that may have spilled and reinstall
the oil fill plug / dipstick.
Check oil before each use and change as needed. Refer
to Changing the Oil.
Fig. 6
RECOMMENDED FUEL TYPE
Old fuel is the primary reason for improper unit
performance. Be sure to use fresh, clean, unleaded
gasoline.
NOTE: This is a four cycle engine. In order to avoid
damage to the unit, do not mix oil with
gasoline.
Definition of Blended Fuels
Today's fuels are often a blend of gasoline and
oxygenates 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 or form
acids when stored. Use fresh fuel (less than 60 days
old), when using alcohol-blended fuel.
Using Blended Fuels
If you choose to use a blended fuel, or its use is
unavoidable, follow recommended precautions:
Always use fresh unleaded gasoline
Use the fuel additive STA-BIL ® or an equivalent
Drain tank and run the engine dry before storing unit
Using Fuel Additives
The use of fuel additives, such as STA-BIL ® Gas
Stabilizer or an equivalent, will inhibit corrosion and
minimize the formation of gum deposits. Using a fuel
additive can keep fuel from forming harmful deposits in
the carburetor for up to six (6) months. 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 gas tank.
FUELING THE UNIT
WARNING: Gasoline is extremely flammable
and its vapors can explode if ignited. To avoid
serious personal injury, always stop the engine
and allow it to cool before filling the fuel tank.
Do not smoke while filling the tank. Keep
sparks and open flames away from the area.
1. Remove the fuel cap (Fig. 9).
l_ |WARNING: Remove the fuel cap Slowly to I|
2. Place the gas container's spout into the fill hole on
lavo d njury from gaso ne spray.
Fig. 9
the fuel tank (Fig. 9) and fill the tank.
l_ WARNING:Add gasoline in a clean, well- I
NOTE: Do not overfill the tank.
3. Wipe up any gasoline that may have spilled.
4. Reinstall the fuel cap.
I_ IWARNING: Never operate the unit without
5. Move the unit at least 30 ft. (9.1 m) from the fueling
NOTE: Dispose of the old gasoline in accordance to
ventilated outdoor area. Avoid creating a
l source of gn t on for Sp t rue. J
lthe rue! cap securely in place.
source and site before starting the engine.
Federal, State and Local regulations.
9
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