Troybilt 41BDT70C711 Owner’s Manual

Operator's Manual

v®

2-Cycle Gasoline

Trimmer

Model TB70SS

IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY

P/N 769-02173 (10/05)

THANK YOU

Thank you for buying this quality product. This modern
outdoor power tool will provide many hours of useful

service. You will find it to be a great labor-saving device.
This operator's manual provides you with easy-to-

understand operating instructions. Read the whole
manual and follow all the instructions to keep your new

outdoor power tool in top operating condition.

PRODUCT REFERENCES, ILLUSTRATIONS
AND SPECIFICATIONS

All information, illustrations, and specifications in this
manual are based on the latest product information

available at the time of printing. We reserve the right to
make changes at any time without notice.

Copyright© 2004 MTD SOUTHWEST INC, All Rights
Reserved.

TABLE OF CONTENTS

Service Information ......................... 2

Rulesfor Safe Operation ..................... 3

Know Your Unit ............................ 6

Assembly Instructions ....................... 7

Oil and Fuel Information ...................... 8

Starting/Stopping Instructions ................. 9

Operating Instructions ...................... 10

Maintenance and Repair Instructions ........... 12

Cleaning and Storage ....................... 16

Troubleshooting Chart ...................... 17

Specifications ............................. 18

SERVICE INFORMATION

Service on this unit both within and after the warranty
period should be performed only by an authorized and

approved service dealer.
For service call 1-800-520-5520 to obtain a list of

authorized service dealers near you. For more details
about your unit, visit our website at www.troybilt.com.

DO NOT RETURN THE UNIT TO THE RETAILER.
PROOF OF PURCHASE WILL BE REQUIRED FOR

WARRANTY SERVICE.
Before beginning, locate the unit's model plate. It lists

the model and serial numbers of your unit. Refer to the
sample plate below and copy the information for future

reference.

Serial Nnmber

-1 \ ParentPartNumber
"_ _LMOpEL: /

Model Number

SIN : ITEM : !

Warranty Information ....................... 20

Parts List .................... Inside Back Cover

SPARK ARRESTOR NOTE

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. If it requires replacement, ask your LOCAL

SERVICE DEALER to install the Accessory Muffler
Assembly, Part #753-05169 (replaces Part #753-

04618).

Copy the model and parent

part number here:

Copy the serial number

here:

Make sure you carefully read and understand this manual
before starting or operating this equipment.

THIS PRODUCT IS COVERED BY ONE OR MORE U.S.

PATENTS. OTHER PATENTS PENDING.

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.

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

I SYMBOL MEANING I

DANGER: Failure to obey a

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.

safety warning will

SAFETY ALERT: Indicates

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.

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.

danger,

FOR QUESTIONS, CALL 1-800-520-5520

• IMPORTANT SAFETY INSTRUCTIONS •

READ ALL INSTRUCTIONS

BEFORE OPERATING

WARNING: When using the unit,

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.

• 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.

• All guards and safety attachments must be installed
properly before operating the unit.

• 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.

• Carefully inspect the area before starting the unit.
Remove all debris and hard or sharp objects such as

glass, wire, etc.

you must follow the

WARNING: Failure to obey a

result in injury to yourself and others.

Always follow the safety precautions to

reduce the risk of fire, electric shock and
personal injury.

CAUTION: 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.

Be aware of the risk of injury to the head, hands and

feet.
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. If you
are approached, stop the unit immediately.

Use only 0.095 inch (2.41 mm) diameter original

equipment manufacturer replacement line. Never use
metal-reinforced line, wire or rope. These can break
off and become dangerous projectiles.

Squeeze the throttle control and check that it returns
automatically to the idle position. Make all adjustments
or repairs before using unit.

safety warning can

Failure to obey a

SAFETY WARNINGS FOR GAS UNITS

WARNING: Gasoline is highly

vapors can explode if ignited. Take the

following precautions:

• Store fuel only in containers specifically designed and
approved for the storage of such materials.

• Avoid creating a source of ignition for spilled fuel. Do
not start the engine until fuel vapors dissipate.

flammable, and its

• Alwaysstoptheengineandallowittocoolbeforefilling
thefueltank.Neverremovethecapofthefueltank,or
addfuel,whentheengineishot.Neveroperatetheunit
withoutthefuelcapsecurelyinplace.Loosenthefuel
tankcapslowlytorelieveanypressureinthetank.

• Mixandaddfuelinaclean,well-ventilatedoutdoorarea
wheretherearenosparksorflames.Slowlyremovethe
fuelcaponlyafterstoppingengine.Donotsmokewhile
fuelingormixingfuel.Wipeupanyspilledfuelfromthe
unitimmediately.Alwayswipeunitdrybeforeusing.

• Movetheunitatleast30feet(9.1m)fromthefueling
sourceandsitebeforestartingtheengine.Donot
smokeorallowsparksandopenflamesnearthearea
whileaddingfueloroperatingtheunit.

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 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. 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 original equipment manufacturer
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

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

• SAFETY ALERT SYMBOL •
Indicates danger, warning, or

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

I

O

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.

Use a full face 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.

APPLICATIONS
Asatrimmer:

• Cuttinggrassandlightweeds.

• Edging

• Decorativetrimmingaroundtrees,fences,etc.
Otheroptionalaccessoriesmaybeusedwiththe

TB70SS.RefertoOperating the EZ-Link System

for a list of add-ons.

Blue Choke

f Lever

Fuel Cap

Muffler

Starter Rope

Grip

EZ-Link TM

On/Off Stop Control

Shaft Grip

Air Filter/Muffler

D-Handle

Cover

Spark Plug

Throttle

Control

Blue Choke

Lever

Cutting

Shaft Housing

Cutting Attachment

Shield

Muffler

Spark Plug

Primer Bulb

Line Cutting

On some units, the D-handle may be pre-installed,
requiring only loosening screws and some adjustment. If

this is the case, go to step 4.

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 the D-handle was pre-installed, loosen the screws
on the handle just enough to move it.

INSTALLING THE CUTTING ATTACHMENT 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.

WARNING: trimmerwithoutthe

,_ Never operate the

,

Shaft Housing

cuttingattachment shieldinplace to

preventseriouspersonalinjury.

Slide the cutting attachment shield into the shield
mount on the cutting attachment. Align the screw

holes in the shield with the holes in the cutting
attachment (Fig. 3).

Fig. 1

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. 3

2.

Place a hex lock nut into one of the three recessed
holes on the top of the cutting attachment shield (Fig4).

J Cutting Attachment

Shield

----_ Hex Lock Nut

Fig. 4

3. Install a screw into the hole from the bottom of the
cutting attachment shield and screw it into the nut

installed in step 2 (Fig 5). Do not tighten.

4. Repeat steps 2 and 3 until all three screws have
been started, then tighten securely.

Fig. 2 Fig. 5