Cub Cadet ST227C 2 Cycle Trimmer Instruction Manual

Cub Cadet ST227C 2 Cycle Trimmer

Product Information

Specifications

• Model: ST227c

• Starting Method: Electric Starter or Power Start Bit (optional)

• Optional Accessories: Electric Starter or Power Start Bit (sold separately)

• This 2-cycle Trimmer offers an alternative starting method that many users find easier than pulling on a rope.

• For more information on the optional accessories, please contact a local retailer or call 1-877-282-8684 in the US or 1-800-668-1238 in Canada.

• Additional information can also be found at www.cubcadet.com or www.cubcadet.ca.
  

• It is important to read and understand all instructions, warnings, and danger labels on the unit before use.

Assembly Instructions:

To assemble the trimmer, follow these steps:

1. Place the cutting attachment shield onto the shaft above the clamp assembly. Push it down to the top of the cutting attachment assembly and rotate the cutting attachment shield until the screw holes align. Install the four (4) screws.
2. Remove the cap from the boom. Push the bottom add-on into the coupler. Turn the knob clockwise to tighten.
3. Put the handle on the shaft. Move the handle at least 6 inches away from the shaft grip. Insert the bolt and tighten.
4. Place the unit on a level surface and fill the fuel tank.
   Note: Do not mix fuel directly in the engine fuel tank.

Starting Instructions

To start the engine, follow these steps:

1. Press the primer bulb 10 times.
2. Move the choke lever to Position 1.
3. Crouch in the starting position.
4. Squeeze and hold the throttle control for all further steps.
5. Pull the rope 5 times.
6. Move the choke lever to Position 2.
7. Pull the starter rope 3 to 5 times while keeping the throttle squeezed. Run the engine for 30-60 seconds to warm up.
8. Continue squeezing the throttle control and move the choke lever to Position 3.
9. Continue squeezing the throttle control and run the engine for an additional 60 seconds to complete the warm-up.
10. If the engine doesn’t start, repeat these instructions. If it still fails to start, refer to the operator’s manual for additional starting and troubleshooting information.

Line Installation

For single-line installation, follow these steps:

1. Rotate the bump knob clockwise until all line is inside the cutting head.
2. Using a flat-head screwdriver, insert the tip into the line dimple just under the exposed portion of the line and pull all the lines out.

For replacement spool installation, follow these steps:

1. Align the arrows on the bump knob with the spool cover eyelets.
2. Using 16 ft. of 0.095 in. line, push both ends through the holes in the bump knob until they protrude through the eyelets.
3. Pull the line until approximately 6 ft. is visible on each side.
4. Hold the spool cover, turn the bump knob clockwise to wind the line around the spool until about 5 in. is protruding from each side of the cutting head.
5. Start the unit and bump the cutting head on the ground until the desired cutting length is achieved.

IMPORTANT: Read the operator’s manual thoroughly and follow the safe operation practices before operating the unit.

Service Information

• Copy the model and parent part numbers here: (Model number)
• Copy the serial number here: (Serial number)

FAQs

Q: Where can I find additional starting and troubleshooting information if the engine fails to start?

• A: Refer to the operator’s manual for additional starting and troubleshooting information.

Q: Where can I purchase the optional accessories?

• A: Please contact a local retailer or call 1-877-282-8684 in the U.S. or 1-800-668-1238 in Canada for more information on purchasing the optional accessories.

Electric Starter or Power Start Bit Optional! THESE OPTIONAL ACCESSORIES ARE SOLD SEPARATELY!

• This unit has an alternative starting method that many find easier to use than pulling on a rope.
• Please contact a local retailer or call 1-877-282-8684 in the U.S., (1-800-668-1238 in Canada), for more information.
• Information may also be found at www.cubcadet.com or www.cubcadet.ca

Quick Instructions to Assemble Trimmers

For complete instructions, refer to the Assembly Instructions section of this manual.

• 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 model and parent part numbers here: ——————————
• Copy the serial number here: —————————————————

RULES FOR SAFE OPERATION

• 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.

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 states 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 on 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.
• 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

• 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 others. Always follow the safety precautions to reduce the risk of fire, electric shock, and personal injury.
• SAFETY ALERT: Indicates danger, warning, or caution. Attention is required 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 others. Always follow the safety precautions to reduce the risk of fire, electric shock, and personal injury.
• NOTE: Advises you of information or instructions vital to the operation or maintenance of the equipment.
• 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 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

IMPORTANT SAFETY INSTRUCTIONS

READ ALL INSTRUCTIONS BEFORE OPERATING

• WARNING: When using the unit, you must follow the safety rules.
• Please read these instructions before operating the unit 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.
• 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-foot (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 the unit.

SAFETY WARNINGS FOR GAS UNITS

WARNING: Gasoline is highly flammable, and its 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. 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 the unit dry before using it.
• 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-sleeved shirts are recommended.
• Wear heavy, long pants, boots and gloves. Do not wear loose clothing, jewelry, short pants, or 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 the 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 handles 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 the damage.
• Do not operate the unit with loose or damaged parts.
• Stop and switch the engine off for maintenance, repair, or 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 the unit clean of vegetation and other materials. They may become lodged between the cutting head and shield.
• To reduce fire hazards, keep the engine and muffler free from grass, leaves, excessive grease, or carbon buildup.

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.

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.

KNOW YOUR UNIT

APPLICATIONS

As a trimmer:

• Cutting grass and light weeds.
• Edging
• Decorative trimming around trees, fences, etc.

ASSEMBLY INSTRUCTIONS

INSTALLING THE CUTTING SHIELD

• WARNING: To prevent serious personal injury, never operate the trimmer without the cutting attachment shield in place.
• Use the following instructions if the cutting attachment shield on the unit is not installed or if needing to re-install it.

1.  Place the cutting attachment shield onto the shaft housing above the clamp assembly (Fig. 1).
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. 1).
3. Install the screws with a Phillips screwdriver (Fig. 1).

ADJUSTING THE D-HANDLE

1. Loosen the bolt on the handle just enough to move it (Fig. 2).
2. While holding the unit in the operating position (Fig. 9), move the D-handle to the location 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
• Snow Thrower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ST720
• Turbo Blower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TB720
• Do NOT use this Add-On with an electric-powered unit.

REMOVING THE ADD-ON

1. Turn the knob counterclockwise to loosen (Fig. 5).
2. Press and hold the release button (Fig. 3).
3. While firmly holding the upper shaft housing, pull the lower shaft housing straight out of the Rapid Link™ coupler (Fig. 4).

INSTALLING THE ADD-ON

NOTE: To make installing or removing the addon easier, place the unit on the ground or a workbench.

1. Turn knob counterclockwise to loosen (Fig. 5).
2. While firmly holding the add-on, push it straight into the Rapid Link™ coupler (Fig. 4).
   • NOTE: Aligning the release button with the guide recess will help installation (Fig. 3).
3. Turn the knob clockwise to tighten (Fig. 5).

For decorative trimming/edging with the line cutting head, lock the release button into the 90° hole (Fig. 5).

OIL AND FUEL INFORMATION

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

• WARNING: It has been proven that fuel containing greater than 15% ethanol will likely damage this engine and void the warranty.
• Today’s fuels are often a blend of gasoline and oxygenate 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 choosing to use a blended fuel, or its use is unavoidable, follow recommended precautions:
• Always use the fresh fuel mix explained in the operator’s manual
• Always agitate the fuel mix before fueling the unit
• Drain the tank and run the engine dry before storing the unit

OIL AND FUEL INFORMATION

USING FUEL ADDITIVES

• CAUTION: For proper engine operation and maximum 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.
• The bottle of 2-cycle oil contains a fuel additive that will help inhibit corrosion and minimize the formation of gum deposits. It is recommended to use our 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.
• Thoroughly mix the proper ratio of 2-cycle engine oil with unleaded fuel 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 for specific gas and oil mixing ratios.
• NOTE: One gallon (3.8 liters) of unleaded fuel mixed with one 3.2 oz. (95 ml.) bottle of 2-cycle oil makes a 40:1 fuel/oil ratio.
• NOTE: Dispose of the old fuel/oil mix under Federal, State, and Local regulations.

FUELING THE UNIT

• 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.

1. Remove the fuel cap.
   • WARNING: Remove the fuel cap slowly to avoid injury from the fuel spray.
   • Never operate the unit without the fuel cap securely in place.
   • WARNING: Add fuel in a clean, level, and well-ventilated outdoor area. Wipe up any spilled fuel immediately.
   • Avoid creating a source of ignition for spilled fuel. Do not start the engine until fuel vapors dissipate.
2. Place the gas container’s spout into the fill hole on the fuel tank and fill the tank.
   • NOTE: Do not overfill the tank.
3. Wipe up any gasoline that may have spilled.
4. Reinstall the fuel cap.
5. Move the unit at least 30 ft. (9.1 m) from the fueling source and site before starting the engine.

STARTING/STOPPING INSTRUCTIONS

• WARNING: Operate this unit in a well-ventilated outdoor area.
• Carbon monoxide exhaust fumes can be lethal in a confined area.
• WARNING: Avoid accidental starting. Make sure you are in the starting position when pulling the starter rope (Fig. 8).
• To avoid serious injury, the operator and unit must be in a stable position while starting.

STARTING INSTRUCTIONS

1. Mix fuel with oil. See Oil and Fuel Mixing Instructions.
2. Fill the fuel tank with a fresh, clean fuel mix. Refer to Fueling the Unit.
   • NOTE: There is no need to turn the unit on. The On/Off Control is in the ON ( I ) position at all times (Fig. 6).
3. Fully press and release the primer bulb 10 times, slowly. Some amount of fuel should be visible in the primer bulb and fuel lines (Fig. 7).
   • If fuel can not be seen in the bulb, press and release the bulb until the fuel is visible.
4. Place the choke lever in Position 1 (Fig. 7).
5. Crouch in the starting position (Fig. 8).
   • Press the throttle lock-out in and squeeze the throttle control lever. Pull the starter rope 5 times.
6. Place the choke lever in Position 2 (Fig. 7)
7. Press the throttle lock-out and squeeze the throttle control. Pull the starter rope in a controlled motion 3 to 5 times to start the engine.
8. Keep the throttle squeezed and allow the engine to warm up for 30 to 60 seconds.
9. Continue squeezing the throttle control, move the choke lever to Position 3 (Fig. 7), and continue warming the engine for an additional 60 seconds. The unit may be used during this time.

• NOTE: The unit is properly warmed up when the engine accelerates without hesitation.
• IF… the engine hesitates, return the choke lever to Position 2 (Fig. 7) and continue warm-up.
• IF… the engine does not start, go back to step 3.
• IF… the engine fails to start after a few attempts, place the choke lever in Position 3 and squeeze the throttle control. Pull the starter rope out with a controlled and steady motion 3 to 8 times. The engine should start. If not, repeat.
• IF WARM… If the engine is already warm, start the unit with the choke lever in Position 2. After the unit starts, move the choke lever to Position 3.

IF USING THE OPTIONAL ELECTRIC STARTER OR POWER START BIT™ ACCESSORY

HOW TO START THE UNIT USING THE ELECTRIC STARTER OR POWER START BIT ACCESSORY.

• 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 this feature. (Items Sold Separately! Please refer to this manual about purchasing these accessories.)

STARTING INSTRUCTIONS

1. Mix fuel with oil. See Oil and Fuel Mixing Instructions.
2.  Fill the fuel tank with a fresh, clean fuel mix. Refer to Fueling the Unit.
   • NOTE: There is no need to turn the unit on. The On/Off Control is in the ON ( I ) position at all times (Fig. 6).
3. Fully press and release the primer bulb 10 times, slowly. Some amount of fuel should be visible in the primer bulb (Fig. 7). If fuel cannot be seen in the bulb, press and release the bulb until the fuel is visible.
4. Move the choke lever to Position 1 (Fig. 7).
5. Crouch in the starting position (Fig. 8). Place the electric starter or power start bit into the back of the unit. Refer to the Operation section of the Electric Starter or Power Start Bit operator’s manual.
6. Press the throttle lock-out in and squeeze the throttle control lever. Press and hold the electric starter or drill ON (I) button for 2 seconds.
7. Move the choke lever to Position 2 (Fig. 7).
8. Press the throttle lock-out in and squeeze the throttle control lever. Press and hold the electric starter or drill ON (I) button for 2-second intervals until the unit starts.
9. Continue to squeeze the throttle control, remove the electric starter or drill from the unit, and allow the engine to warm up for 30 to 60 seconds.
10. Continue squeezing the throttle control, move the choke lever to Position 3 (Fig. 7), and run the unit for an additional 60 seconds. The unit may be used during this time.

• NOTE: The unit is properly warmed up when the engine accelerates without hesitation.
• IF… the engine hesitates, return the choke lever to Position 2 (Fig. 7) and continue warm-up.
• IF… the engine does not start, go back to step 3.
• IF… the engine fails to start after a few attempts, place the choke lever in Position 3 and squeeze the throttle control. Press and hold the electric starter or drill ON (I) button for 2-second intervals until the unit starts.
• IF WARM… If the engine is already warm, start the unit with the blue choker lever in Position 2. After the unit starts, move the blue choke lever to Position 3.

STOPPING INSTRUCTIONS

1. Release the throttle control and allow the engine to cool down by idling.
2. Press and hold the On/Off Control switch in the OFF (O) position until the unit comes to a complete stop (Fig. 6).

OPERATING INSTRUCTIONS

HOLDING THE UNIT

WARNING: Always wear eye, hearing, foot, and body protection to reduce the risk of injury when operating this unit.

Before operating the unit, stand in the operating position (Fig. 9).

Check for the following:

• The operator is wearing eye protection and proper clothing
• With a slightly bent right arm, the operator’s hand is holding the shaft grip
• The operator’s left arm is straight, the left hand holding the D-handle
• The unit is at waist level
• The cutting head is parallel to the ground and easily contacts the grass without the need to bend over

ADJUSTING TRIMMING LINE LENGTH

• WARNING: Do not remove or alter the line-cutting blade assembly. Excessive line length will cause premature engine failure and/or unit damage.
• The Bump Head™ cutting head allows the release of the trimming line without stopping the engine. To release more lines, lightly tap the cutting head on the ground (Fig. 10) while operating the unit at high speed.
• NOTE: Always keep the trimming line fully extended. Line release becomes more difficult when the cutting line gets shorter.
• Each time the head is bumped, about 1 inch (25.4 mm) of trimming line releases. A blade in the cutting head shield will cut the line to the proper length if any excess line is released.
• For best results, tap the bump knob on bare ground or hard soil. If attempting a line release in tall grass, the engine may stall. Always keep the trimming line fully extended. Line release becomes more difficult when the cutting line gets shorter.
• NOTE: Do not rest the Bump Head™ on the ground while the unit is running.

Some line breakage will occur from:

• Entanglement with foreign matter
• Normal line fatigue
• Attempting to cut thick, stalky weeds
• Forcing the line into objects such as walls or fence posts

TIPS FOR BEST TRIMMING RESULTS

• Keep the cutting head parallel to the ground.
• Do not force the cutting head. Allow the tip of the line to do the cutting, especially along the walls. Cutting with more than the tip will reduce cutting efficiency and may overload the engine.
• Cut grass over 8 inches (200 mm) by working from top to bottom in small increments to avoid premature line wear or engine drag.
• Cut from right to left whenever possible. Cutting to the left improves the unit’s cutting efficiency. Clippings are thrown away from the operator.
• Slowly move the unit into and out of the cutting area at the desired height. Move either in a forward-backward or side-to-side motion. Cutting shorter lengths produces the best results.
• Trim only when grass and weeds are dry.

The life of the cutting line is dependent upon:

• Following the trimming techniques
• What vegetation is being cut
• Where vegetation is cut
• For example, the line will wear faster when trimming against a foundation wall as opposed to trimming around a tree.

DECORATIVE TRIMMING

• Decorative trimming is accomplished by removing all vegetation around trees, posts, fences, etc.
• Rotate the whole unit so that the cutting head is at a 30° angle to the ground (Fig. 11).

MAINTENANCE AND REPAIR INSTRUCTIONS

MAINTENANCE SCHEDULE

• WARNING: To prevent serious injury, never perform maintenance or repairs with the unit running.
• Always service and repair a cool unit. Disconnect the spark plug wire to ensure that the unit cannot start.
• Perform these required maintenance procedures at the frequency stated in the table. These procedures should also be a part of any seasonal tune-up.
• NOTE: Some maintenance procedures may require special tools or skills. If you are unsure about these procedures take your unit to any non-road engine repair establishment, individual, or authorized service dealer.
• NOTE: Maintenance, replacement, or repair of the emission control devices and system may be performed by any non-road engine repair establishment, individual, or authorized service dealer.

WARNING: Never use metal-reinforced line, wire, chain, or rope.
These can break off and become dangerous projectiles.

1. Rotate the bump knob clockwise until all line is inside the cutting head (Fig. 12).
2. Using a flat-head screwdriver, insert the tip into the line dimple and just under the exposed portion of the line (Fig. 13)
3. Pull the line straight out until all line is removed from the cutting head.

LINE INSTALLATION

Always use the original equipment manufacturer 0.095 in. (2.41 mm) replacement line.

1. Align the arrows on the bump knob with the spool cover eyelets, if they are not already (Fig. 14).
2. Using 16 ft. (3.2 m) of 0.095 in. (2.41 mm) replacement line push both ends of the line through the holes in the bump knob until they protrude through the eyelets on both sides of the cutting head.
   • Continue pulling the line until approximately 6 ft. (1.5 m) is visible from both sides of the cutting head. (Fig. 15)
3. Hold the spool cover, turn the bump knob clockwise to wind the line around the spool until about 5 in. (12.7 cm) is protruding from each side of the cutting head. (Fig. 12)
4. Start the unit and bump the cutting head on the ground until the desired cutting length is achieved. The excess line will be trimmed off by the line blade.
   • NOTE: If the cutting line ends are pulled into the cutting head or the line becomes twisted, refer to Removing the Line.

AIR FILTER MAINTENANCE

WARNING: To avoid serious personal injury, always turn the unit off and allow it to cool before you clean or service it.

Cleaning the Air Filter

Clean and re-oil the air filter every 25 hours of operation. It is an important item to maintain.
Failure to maintain your air filter properly can result in poor performance or can cause permanent damage to your engine.

1. Open the air filter cover. Push the locking tab on the top of the cover inward, then pull the air filter cover out and down. (Fig. 16).
2. Remove the air filter (Fig. 16).
3. Wash the filter with detergent and water (Fig. 17).
   • Rinse the filter thoroughly and allow it to dry.
4. Apply enough clean SAE 30 motor oil to lightly coat the filter (Fig. 18).
5. Squeeze the filter to spread and remove excess oil (Fig. 19).
6. Replace the filter (Fig. 18).
   • NOTE: If the unit is operated without the air filter, you will VOID the warranty.
7. Reinstall the air filter cover. Position the slots on the bottom of the air filter cover onto the tabs at the bottom of the back plate (Figs. 18).
8. Swing the cover-up until the tab on the air filter backplate snaps into place in the slot on the air filter cover (Fig. 18).

CARBURETOR ADJUSTMENT

• The idle speed of the engine is adjustable. An idle adjustment screw is between the air filter cover and the engine starter housing (Fig. 20).
• NOTE: Careless adjustments can seriously damage the unit. An authorized service dealer should make carburetor adjustments.

Check Fuel Mixture

• Old and/or improperly mixed fuel is usually the reason for improper unit performance. Drain and refill the tank with fresh, properly-mixed fuel before making any adjustments. Refer to Oil and Fuel Information.

Clean Air Filter

• The condition of the air filter is important to the operation of the unit. A dirty air filter will restrict airflow and change the air/fuel mixture. This is often mistaken for an out-of-adjustment carburetor.
• Check the condition of the air filter before adjusting the idle speed screw. Refer to Air Filter Maintenance.

Adjust Idle Speed Screw

• WARNING: The cutting attachment will spin during idle speed adjustments.
• Wear protective clothing and observe all safety instructions to prevent serious personal injury.

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 idle. If the engine stops, insert a small Phillips screwdriver into the idle adjustment screw (Fig. 20).
   • Turn the idle speed screw clockwise 1/8 of a turn at a time (as needed) until the engine idles smoothly.
3. If the engine appears to be idling too fast, turn the idle speed screw counterclockwise 1/8 of a turn at a time (as needed), to reduce idle speed.

Checking the fuel mixture, cleaning the air filter, and adjusting the idle speed should solve most engine problems.

If not all of the following are true:

• the engine will not idle
• the engine hesitates or stalls on acceleration
• there is a loss of engine power
• Have the carburetor adjusted by an authorized service dealer.

REPLACING THE SPARK PLUG

• Use replacement #753-06193, a Champion RDJ8J spark plug, or equivalent. The correct air gap is 0.025 inch (0.635 mm).
• Remove the plug after every 25 hours of operation and check its condition.

1. Stop the engine and allow it to cool. Grasp the plug wire firmly and pull it from the spark plug.
2. Clean around the spark plug. Remove the spark plug from the cylinder head by turning a 5/8-inch socket counterclockwise.
   • WARNING: Do not sandblast, scrape, or clean electrodes. Grit in the engine could damage the cylinder.
3. Replace a cracked, fouled, or dirty spark plug. Set the air gap at 0.025 in. (0.635 mm) using a feeler gauge (Fig. 22).
4. Install a correctly-gapped spark plug in the cylinder head. Tighten by turning the 5/8-inch socket clockwise until snug.

• If using a torque wrench torque to 110-120 in.•lb. (12.3-13.5 N•m)
• Do not over-tighten.

CLEANING

WARNING: To avoid serious personal injury, always turn the unit off and allow it to cool before you clean or service it.

• Use a small brush to clean off the outside of the unit. Do not use strong detergents.
• Household cleaners that contain aromatic oils such as pine and lemon, and solvents such as kerosene, can damage plastic housing or handle.
• Wipe off any moisture with a soft cloth.

STORAGE

• Never store a fueled unit where fumes may reach an open flame or spark.
• Allow the engine to cool before storing.
• Store the unit locked up to prevent unauthorized use or damage.
• Store the unit in a dry, well-ventilated area.
• Store the unit out of the reach of children.

LONG TERM STORAGE

If planning on storing the unit for an extended time, use the following storage procedure:

1. Drain all fuel from the fuel tank into a container with the same 2-cycle fuel mixture. Do not use fuel that has been stored for more than 60 days.
   Dispose of the old fuel/oil mix under Federal, State, and Local regulations.

2. Start the engine and allow it to run until it stalls. This ensures that all fuel has been drained from the carburetor.

3. Allow the engine to cool. Remove the spark plug and put 1 oz. (30 ml) of any high-quality motor oil or 2-cycle oil into the cylinder. Pull the starter rope slowly to distribute the oil. Reinstall the spark plug.

   • NOTE: Remove the spark plug and drain all of the oil from the cylinder before attempting to start the unit after storage.

4. Thoroughly clean the unit and inspect it for any loose or damaged parts. Repair or replace damaged parts and tighten loose screws, nuts or bolts. The unit is ready for storage.

ELECTRIC STARTER AND POWER START BIT™ FEATURES

• This unit is designed to be started with an optional electric starter or Power Start Bit™ which are sold separately.
• If choosing to start the unit using one of these features or have questions please contact your local retailer or call 1-877-282-8684 U.S., (1-800-668-1238 Canada), for more information and purchasing.
• You may also go to www.cubcadet.com or www.cubcadet.ca.

TROUBLESHOOTING

• IF FURTHER ASSISTANCE IS REQUIRED, CONTACT AN AUTHORIZED SERVICE DEALER.

SPECIFICATIONS

**ENGINE***

• Engine Type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air-Cooled, 2-Cycle
• Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.10 in. (2.794 cm)
• Displacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 cc
• Operating RPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7,500+ rpm
• Idle Speed RPM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3,200 – 3,400 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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Diaphragm, All-Position
• Starter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AST™
• Muffler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Baffled with Guard
• Throttle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Manual Spring Return
• Fuel   Tank Capacity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 fl.oz. (414 ml)

DRIVE SHAFT AND CUTTING HEAD

• Drive Shaft Housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Steel Tube (w/ Rapid Link™)
• Throttle Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Finger-Tip Trigger
• Total Approximate Unit Weight (without fuel) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 – 13 lbs. (5 – 6 kg)
• Cutting Mechanism. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Proulx™
• Shoulder Strap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Optional
• Line Spool Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5 in. (114.3 mm)
• Trimming Line Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.080 in. (2.03 mm)
• Cutting Path Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 in. (45.72 cm)
• All specifications 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.

WARRANTY

MANUFACTURER’S LIMITED WARRANTY FOR

• The limited warranty set forth below is given by CUB CADET LLC (“CUB CADET”) concerning new merchandise purchased and used in the United States, its possessions, and territories.
• CUB CADET warrants this product against defects in material and workmanship for 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 by the Operator’s Manual furnished with the product, and has not been subject to misuse, abuse, commercial use, neglect, accident, improper 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 CUB CADET for use with the product(s) covered by this manual will void your warranty as to any resulting damage.
• This warranty is limited to ninety (90) days from the date of original retail purchase for any CUB CADET product that is used for rental or commercial purposes, or any other income-producing purpose.

HOW TO OBTAIN SERVICE:

• Warranty service is available, WITH PROOF OF PURCHASE THROUGH YOUR LOCAL AUTHORIZED SERVICE DEALER. To locate the dealer in your area, please check for a listing in the Yellow Pages or contact the Customer
• Service Department of CUB CADET by calling 1-877-282-8684 or writing to P. O. Box 361131, Cleveland, OH 44136-0019, or if in Canada call 1-800-668-1238. No product returned directly to the factory will be accepted unless prior written permission has been extended by the Customer Service Department of CUB CADET.

This limited warranty does not provide coverage in the following cases:

• A. Wear items – Bump Knobs, Outer Spools, Cutting Line, Inner Reels, Starter Pulley, Starter Ropes, Drive Belts
• B. CUB CADET does not extend any warranty for products sold or exported outside of the United States of America, its possessions, and territories, except those sold through CUB CADET’s authorized channels of export distribution CUB CADET reserves the right to change or improve the design of any TrimmerPlus® Product without assuming any obligation to modify any product previously manufactured.
• No implied warranty, including any implied warranty of 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 guarantee, whether written or oral, except as mentioned above, given by any person or entity, including a dealer or retailer, concerning any product shall bind CUB CADET.
• During the period of the Warranty, the exclusive remedy is the repair or replacement 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.)
• The provisions as outlined in this Warranty provide the sole and exclusive remedy arising from the sales.
• CUB CADET shall not be liable for incidental or consequential loss or damages including, without limitation, expenses incurred for substitute or replacement lawn care services, for transportation or related expenses, or for rental expenses to temporarily replace a warranted product.
• (Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you.)
• 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 others and their property arising out of the use misuse, or inability to use the product.
• 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.
• How State Law Relates to this Warranty: This warranty gives you specific legal rights, and you may also have other rights that vary from state to state.
• To locate your nearest service dealer dial 1-877-282-8684 in the United States or 1-800-668-1238 in Canada.
• CUB CADET LLC P. O. Box 361131 Cleveland, OH 44136-0019

References

• Cub Cadet US | Lawn Mowers, Snow Blowers, and Zero-Turn Mowers
• Manual-Hub.com – Free PDF manuals!

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