Troybilt 41BDT75C063 Owner’s Manual
Operator's Manual
®
2-Cycle
Gasoline Trimmer
Model TB75SS
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
NOTE: For users on UrnS.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. If it requires replacement, Accessory part 182747 Spark Arrestor
Screen isavailable by contacting the service department at MTD Southwest Inc., 550 N. 54th St., Chandler, AZ 85226.
PiN 769-00400 (8/02)
PRINTED IN USA
Content Page
Calling Customer Support .................................................... 2
Rules for Safe Operation ..................................................... 3
<now Your Unit ........................................................... 6
Assembly Instructions ....................................................... 7
Oil and Fuel Information ...................................................... 8
Starting/Stopping Instructions ................................................. 9
Operating Instruet=ons ...................................................... 10
Maintenance and Repair Instructions .......................................... 12
Cleaning and Storage ....................................................... 18
Accessories and Replacement Parts ........................................... 18
Troubleshooting Chart ...................................................... 19
Specifications ........................................................... 20
Warranty Information ....................................................... 22
Parts L=st.................................................... Inside Back Cover
This operator's manual is an important part of your new trimmer. It will help you assemble, prepare and maintain the unit
for best performanc e, 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 fr0m our Customer
Support Department or an authorized dealer.
• You can locate the model number by looking at the underside of the engine housing. A sample model plate is explained
below. For future reference, please copy the model number and the serial number of the equipment in the space below.
Z Zz Z Z Z Z Zzz
SerialHumber Model/ParentPart#umber
Copy the mode! / parent part
IIIIIIIIIIIIIIl|llll|llll IIIlilllllllll IIIIIIIIIIIIII
MADE TN U.S.A.
Z Z Z
If you have difficulty assembling this product or have any questions regarding the controls, operation Or maintenance of
this unit, please ca!! the Customer Support Department.
Ca1!,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 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 bythemselves eliminate anydanger. The
instructions or warnings they give are not substitutes for
proper accident prevention measures.
SYMBOL MEANING
SAFETY ALERT SYMBOL: indicates
danger, warning, or caution. Attention is
required in order to avoid serious personal
injury. May be used in conjunction with other
symbols or pictographs.
NOTE:Advises you of information or instructions vital to
the operation or maintenance of the equipment.
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 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 ram) diameter genuine
Troy-Bilt replacement line. Never use metal-reinforced
line, wire, or rope, etc. These can break off and
become a dangerous projectile.
• Be aware of the risk of injury to the head, hands and
feet.
DANGER: Failure to obey 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.
IA
WARNING: Failure to obey a safety 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.
CAUTION: Failure to obey a safety warning
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.
• Clear the area to be cut before each use. Remove all
objects such as rocks, broken glass, nails, wire, or string
which 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 feet (15 m.) radius; there still may be a risk to
bystanders from thrown objects. Bystanders should be
encouraged to wear eye protection. Ifyou 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
following precautions:
• 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 area outdoors 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 spilledfuel 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 area outdoors.
• Wear safety glasses or goggles that are marked as
meeting ANSI Z87.1-1989 standards, and 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 D-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. When turned off they
remain hot for a short time.
• 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 manufacturer's replacement parts
when servicing this unit. These parts are available from
your authorized service dealer. Do not use parts,
accessories or attachments not authorized by MTD for
this unit. Doing so 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
• Do not operate the engine faster than the speed
needed to cut, trim or edge. Do not run the engine at
high speed when not cutting.
• Always stop the engine when cutting is delayed or
when walking from one cutting location to another.
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 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.
O
@
Indicates danger, warning, or
• SAFETY ALERT SYMBOL __
caution. May be used in conjunction ///
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.
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
OAPPLICATIONS
As a trimmer:
Cutting grass and light weeds.
Edging
Decorative trimming around trees, fences, etc.
Other optional accessories may be used with the
TB75SS. Refer to Operating the EZ-Link System for a list
of add-ons.
EZ-Start TM Lever _
Muffler Guard
J
Fuel Cap
Starter Rope Grip
On/Off Stop Control
Shoulder Strap Clip
Shaft Grip
Air Filter/Muffler
D-Handle
Cover
Spark Plug
Throttle
Control
EZ-Start
Lever
Line Cutting Blade
6
Shaft Housing
Cutting Attachment
Shield
/
/
Cutting Attachment
Engine Stand
I
Spark Plug
\
\ Muffler
\
\
\
Primer Bulb
Shaft Grip
On/Off Stop Control
Minimum 6 inches
(15.24 cm)
D-Handk
Bottom Clamp
(4) Screws-___ _
Shaft !
Housing
Fig. 1
On some units, the D-handle may be preinstalled and
only require loosening the screws and adjusting the
D-handle to the operator. Go to step 4 for adjusting the
D-handle if preinstalled.
INSTALLING AND ADJUSTING THE D-HANDLE
1. Remove the screws and bottom clamp piece that
were installed on the D-handle for shipping.
2. Place D-handle the over the shaft housing and onto
the bottom clamp (Fig. 1). Place it a minimum of 6
inches (15.24 cm) from the end of the shaft grip.
3. Start screws with a large Flat-head or T-25 Torx
screwdriver. Do not tighten until you make the
handle adjustment.
4. If it was preinstalled, loosen the screws on the
D-handle just enough to move the D-handle.
5. While holding the unit in the operating position
(Fig. 2), position the D-handle to the location
that provides you the best grip.
6. Tighten the clamp screws evenly, until the D-handle
is secure.
Fig. 2
7
OIL AND FUEL MIXING INSTRUCTIONS
Old and/or improperly mixed fuel are the main reasons
for the unit not running properly. Be sure to use fresh,
clean unleaded fuel. Follow the instructions carefully for
the proper fuel/oil mixture.
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. It forms acids
when stored. When using alcohol-blended fuel, use fresh
fuel (less than 60 days old).
Using Blended Fuels
If you choose to use a blended fuel, or its use is
unavoidable, follow recommended precautions.
• Always use fresh fuel mix per your operator's manual.
• Always agitate the fuel mix before fueling the unit.
• Drain the tank and run the engine dry before storing
the unit.
Thoroughly mix the proper ratio of 2-cycle engine oil with
unleaded gasoline in a separate fuel can. Use a 32:1 fuel/oil
ratio. Do not mix them directly in the engine fuel tank. See
the table below for specific gas and oil mixing ratios.
NOTE: One gallon (3.8 liters) of unleaded gasoline mixed
with one 4 oz. (120 ml.) bottle of Troy-Bilt
2-Cycle Oil makes a 32:1 fuel/oil ratio.
UNLEADED GAS 2-CYCLE OIL
1 US. GALLON + 4.0 FL OZ.
(3.8 LITERS) (120 ml)
1 LITER + 30 ml
Using Fuel Additives
The bottle of 2-Cycle Oil that came with your unit
contains a fuel additive which will help inhibit corrosion
and minimize the formation of gum deposits. It is
recommended that you use only original equipment
2-cycle oil with this unit.
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.
maximum reliability, pay strict attention to the
oil and fuel mixing instructions On the 2-cycle
I CAUTION: For proper engine operation and
oil container. Using improperly mixed fuel can
severe y damage the eng he. J
MIXING RATIO - 32:1
WARNING: Gasoline is extremely
flammable, Ignited vapors may explode.
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 at a distance from the area,
_ IWARNING: Remove fuel cap slowly to avoid
NOTE: Dispose of the old fuel/oil mix in accordance to
injury from fuel Spray. Never operate the unit
without the fuel cap securely in place.
WARNING: Add fuel in a Clean, we!l-
ventilated area outdoors. Wipe up any spilled I
fuel immediately. Avoid creating a source of
ignition for spilled fuel. Do not start the engine
unt rue Vapors d ss pate.
Federal, state, and local regulations.
8
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