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NOTE-

This Unit Can Use an Electric Start or Power Start Bit™ Optional Accessory!

Please refer to the Electric Starter or Power Start Bit™ operator’s manual for proper use of
these features. (Items Sold Separately! Please refer to page 5 of this manual for more
information about purchasing these accessories.)

READ THE OPERATOR’S MANUAL AND FOLLOW ALL WARNINGS AND SAFETY
INSTRUCTIONS. FAILURE TO DO SO CAN RESULT IN SERIOUS INJURY TO THE OPERATOR
AND/OR BYSTANDERS.
FOR QUESTIONS, CALL 1-877-282-8684 IN U.S. OR 1-800-668-1238 IN CANADA

2

•  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, maintenance, and repair information.

RULES FOR SAFE OPERATION

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.

NOTE:

Advises you of information or instructions vital to the operation or maintenance of the equipment.

SYMBOL          MEANING

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 Part #753-06349 Muffler Assembly

.

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.
• 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.

• 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 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 WARNINGS FOR GAS UNITS

• 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.
• 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.
Always loosen the fuel tank cap slowly to relieve any pressure in the tank.

• Mix and add fuel in a clean, well-ventilated outdoor area where there are no sparks or flames. Do not

smoke while fueling or mixing fuel. Wipe up any spilled fuel from the unit immediately. Always wipe unit
dry before using.

• Move the unit at least 30 feet (9.1 m) from the fueling source and site before starting the engine. Do not

smoke or allow sparks and open flames near the area while adding fuel or operating the unit.

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 head 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.

• The cutting attachment may spin during idle speed adjustments. Wear protective clothing and observe all

safety instructions to prevent serious personal injury.

• Adjust the D-handle to provide the best grip.
• Be sure the cutting head 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

head 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 turning 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 not cutting.

• Always stop the engine when cutting is delayed or when walking from one cutting location to another.
• If the unit is struck or becomes 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 head or other Add-Ons.
• Use only original equipment manufacturer replacement parts and accessories for this unit. These are

available from an authorized service dealer. The use of any unauthorized parts or accessories could lead
to serious injury to the user, or damage to the unit, and void the warranty.

• Keep unit clean of vegetation and other materials. They may become lodged between the cutting head

and shield.

• To reduce fire hazard, 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 loaning someone this

unit, also loan them these instructions.

SAVE THESE INSTRUCTIONS

•  IMPORTANT SAFETY INSTRUCTIONS  •

SERVICE INFORMATION

TABLE OF CONTENTS

Service Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Rules for Safe Operation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Know Your Unit  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Assembly Instructions  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Oil and Fuel Information  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Starting/Stopping Instructions  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Operating Instructions  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Maintenance & Repair Instructions  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Cleaning and Storage  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Troubleshooting Chart  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Specifications  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Warranty Information  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

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© 2010 MTD SOUTHWEST INC, All Rights Reserved.

For service call 

1-877-282-8684

in the United States or 

1-800-668-1238

in Canada to obtain a list of authorized

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

www.cubcadet.com 

or

www.cubcadet.ca

.

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.

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

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

Copy the serial number here:

Copy the model and parent part numbers here:

CALIFORNIA PROPOSITION 65 WARNING

WARNING

THE ENGINE EXHAUST FROM THIS PRODUCT CONTAINS CHEMICALS KNOWN TO THE STATE

OF CALIFORNIA TO CAUSE CANCER, BIRTH DEFECTS OR OTHER REPRODUCTIVE HARM.

SAFETY ALERT:

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.

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.

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.

WARNING:

When using the unit, you must follow the 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.

WARNING:

Gasoline is highly flammable, and its vapors can explode if ignited. Take the

following precautions:

RULES FOR SAFE OPERATION

SYMBOL

MEANING

• SAFETY ALERT SYMBOL

Indicates danger, warning or caution. May be used in conjunction with other symbols
or pictographs.

• READ OPERATOR'S MANUAL

WARNING:

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. Use a full face shield when needed.

• UNLEADED FUEL

Always use clean, fresh unleaded fuel

• ON/OFF STOP CONTROL

ON / START / RUN

• ON/OFF STOP CONTROL

OFF or STOP

• DO NOT USE E85 FUEL IN THIS UNIT

WARNING:

It has been proven that fuel containing greater than 15% ethanol will

likely damage this engine and void the warranty.

• THROWN OBJECTS AND ROTATING CUTTER CAN CAUSE SEVERE INJURY

WARNING:

Small objects can be propelled at high speed, causing injury. Keep

away from the rotating rotor.

• KEEP BYSTANDERS AWAY

WARNING:

Keep all bystanders, especially children and pets, at least 50 feet (15 m.)

from the operating area.

• 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.

• OIL

Refer to operator’s manual for the proper type of oil.

• CHOKE CONTROL

1. • FULL choke position
2. • PARTIAL choke position
3. • RUN choke position

• SHARP BLADE

WARNING: 

Sharp blade on cutting attachment shield.  To prevent serious injury, do

not touch the line cutting blade.

Summary of Contents for ST227c

Page 1: ...ly in a separate fuel can 3 2 fl oz of 2 cycle engine oil 1 gallon of unleaded gasoline Place the unit on a level surface Fill fuel tank NOTE Do not mix directly in the engine fuel tank Place the cutting attachment shield onto the shaft above the clamp assembly Push down to the top of the cutting attachment assembly and rotate the cutting attachment shield until the screw holes align Install the f...

Page 2: ...en 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 turning 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 not cutting Always stop the engine when cutting is delayed or when walking from one cutting location to another If the unit is...

Page 3: ...ocation that provides the best grip 3 Tighten the bolt until the D handle is secure Fig 2 OPERATING THE RAPID LINK SYSTEM The Rapid Link system enables the use of these optional Add Ons Mach 4 Trimmer AF720 Hedge Trimmer AH720 Brushcutter BC720 Bladed Pruner BP720 Blower Trimmer BT720 Blower Vacuum BV720 Cultivator GC720 Lawn Dethatcher LD720 Edger LE720 Pole Saw PS720 Straight Shaft Trimmer SS725...

Page 4: ...e condition of the air filter before adjusting the idle speed screw Refer to Air Filter Maintenance Adjust Idle Speed Screw If after checking the fuel mixture and cleaning the air filter the engine still will not idle adjust the idle speed screw as follows 1 Start the engine and run for one minute to warm up Refer to Starting Stopping Instructions 2 Release the throttle trigger and let the engine ...

Page 5: ...T COUVERT PAR UN OU PLUSIEURS BREVETS AMÉRICAINS ET D AUTRES SONT EN INSTANCE Tout entretien effectué sur cet appareil pendant et après la période de garantie doit être fait par un concessionnaire agréé uniquement Avant de commencer trouver la plaque indiquant le modèle de l appareil Vous y trouverez le modèle et les numéros de série de votre appareil Consultez l exemple de plaque ci dessous et co...

Page 6: ... espace ou d un bâtiment clos L inhalation des fumées d échappement peut être fatale Toujours cet appareil doit fonctionner uniquement en extérieur dans une zone bien aérée Portez des lunettes de sécurité conformes aux normes ANSI Z87 1 1989 lesquelles doivent être indiquées sur les lunettes mêmes Portez des bouchons d oreille et des casques antibruit lors de l utilisation de cet appareil Portez u...

Page 7: ...t pas nécessaire de faire démarrer la machine La commande Arrêt Marche est en position Marche I en permanence Fig 6 3 Pressez et relâchez la poire d amorçage à 10 reprises lentement Une certaine quantité de carburant devrait être visible dans la poire d amorçage et les conduites de carburant Fig 7 Si du carburant ne peut pas être vu dans l ampoule la presse et le dégagement l ampoule jusqu à ce qu...

Page 8: ...la permet de s assurer que le carburateur s est vidé de son carburant 3 Laissez le moteur refroidir Retirez la bougie et versez environ 30 ml 1 oz d huile moteur ou d huile moteur 4 temps de qualité dans le cylindre Tirez lentement sur la corde de démarrage pour bien distribuer l huile Replacez la bougie REMARQUE Retirez la bougie et videz toute l huile du cylindre avant de mettre en marche la dés...

Page 9: ...eguridad e internacionales que pueden aparecer en este producto Lea el manual del operador para obtener información completa acerca de la seguridad ensamble operación y mantenimiento y reparación AVISOS DE SEGURIDAD PARA LAS UNIDADES QUE FUNCIONAN CON GASOLINA Almacene el combustible solamente en recipientes diseñados y aprobados específicamente para el almacenamiento de dichos materiales Evite cr...

Page 10: ...5 mL 3 2 ONZAS FLUIDAS 1 LITRO 25 mL ADVERTENCIA Se ha demostrado que el combustible que contiene más del 15 de etanol probablemente ocasionará daños al motor y anulará la garantía ADVERTENCIA Saque la tapa del combustible lentamente para evitar lesionarse con el rociado del combustible No opere nunca la unidad sin la tapa del combustible firmemente colocada en su lugar ADVERTENCIA Cargue el combu...

Page 11: ...ecta de aceite y combustible p 9 Cada 10 horas Limpie y vuelva a aceitar el filtro de aire p 10 Cada 25 horas Inspeccione la condición y la separación de la bujía de encendido p 10 ELIMINACIÓN DE LA LÍNEA 1 Gire la perilla del topetón a la derecha hasta que toda la línea esté dentro del cabezal cortador Fig 12 2 Usando un destornillador de cabeza llana inserte la extremidad en la línea hoyuelo y a...

Page 12: ...ble es viejo o está mal mezclado Drene el tanque de gasolina Agregue mezcla de combustible nueva El carburador no está ajustado en forma correcta Ajuste según las instrucciones RESOLUCIÓN DE PROBLEMAS SI NECESITA ASISTENCIA ADICIONAL COMUNÍQUESE CON SU PROVEEDOR DE SERVICIO AUTORIZADO EL MOTOR NO ARRANCA EL MOTOR NO FUNCIONA EN MINIMA EL MOTOR NO ACELERA EL MOTOR NO TIENE SUFICIENTE POTENCIA O SE ...

Page 13: ...13 NOTES ...

Page 14: ...14 NOTES ...

Page 15: ...15 NOTES ...

Page 16: ...xpresse écrite ci dessus concernant les pièces qui sont identifiées Aucune autre garantie ou caution expresse écrite ou orale à l exception de celle mentionnée ci dessus accordée par toute personne ou entité y compris tout distributeur ou détaillant concernant tout produit n engagera la responsabilité de CUB CADET LLC Pendant la période de garantie le recours exclusif est la réparation ou le rempl...

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