MTD Y725 User Manual [en, es, fr]

Operator’s Manual
2-Cycle Gasoline
Trimmer
Model Y725
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
P/N 769-02227 (2/06)
2
INTRODUCTION
here:
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-to­understand 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© 2005 MTD SOUTHWEST INC, All Rights Reserved.
Bump Head™ is a trademark of MTD SOUTHWEST INC. SplitLine™ is a trademark of MTD SOUTHWEST INC.
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 1-800-345-8746 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.yardmachines.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.
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.
TABLE OF CONTENTS
Service Information . . . . . . . . . . . . . . . . . . . . . . . . .2
Rules for 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 . . . . . . . . . . . . . . . . . . . . . . .18
Troubleshooting Chart . . . . . . . . . . . . . . . . . . . . . .19
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Warranty Information . . . . . . . . . . . . . . . . . . . . . . .22
Parts List . . . . . . . . . . . . . . . . . . . .Inside Back Cover
Copy the model and parent
part number here:
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 #753-04689 Spark Arrestor Kit.
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.
MODEL :
S/N :
ITEM :
3
RULES FOR SAFE OPERATION
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 under the age of 15 must not use the unit; teens may operate the unit with adult guidance.
• 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 that the cutting attachment shield is properly attached, and positioned as recommended. Failure to do so can result in personal injury to the operator and bystanders, as well as damage to the unit.
• Use only 0.080 inch (2.03 mm) diameter original equipment manufacturer replacement line. Never use metal-reinforced line, wire, chain or rope. These can break off and become dangerous projectiles.
• Be aware of risk of injury to the head, hands and feet.
• Clear the area to be cut before each use. Remove rocks, broken glass, nails, wire, string and other objects which may be thrown or become entangled in the cutting attachment. Clear the area of children, bystanders and pets; keep them outside a 50-foot (15 m.) radius, at a minimum. Even then, they are still at risk from thrown objects. Encourage bystanders to wear eye protection. If you are approached, stop the unit immediately.
• 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 TRIMMERS
• 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 fuel tank cap 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.
SYMBOL MEANING
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
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:
• IMPORTANT SAFETY INSTRUCTIONS •
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.
WARNING:
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.
DANGER:
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.
CAUTION:
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.
SAFETY ALERT:
Gasoline is highly
flammable, and its vapors can explode if ignited. Take the following precautions:
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.
FOR QUESTIONS, CALL 1-800-345-8746 in the
United States, or 1-800-668-1238 in Canada
4
• Add fuel in a clean, well-ventilated outdoor area where there are no sparks or flames. Remove the fuel cap slowly, and only after the engine stops. Do not smoke while fueling or mixing fuel. Wipe up any spilled fuel from the unit immediately.
• Avoid creating a source of ignition for spilled fuel. Do not start the engine until fuel vapors dissipate.
• Move the unit at least 30 feet (9.1 m) from the fueling source and site before starting the engine. Do not smoke. Keep sparks and open flames away from the area while adding fuel or operating the unit.
WHILE OPERATING
• Never start or run the unit inside a closed room or building. Breathing exhaust fumes can be fatal. Operate this unit only in a well-ventilated outdoor area.
• Wear safety glasses or goggles that meet ANSI Z87.1 standards and are marked as such. Wear ear/hearing protection when operating this unit. Wear a face or dust mask if the operation is dusty.
• Wear heavy long pants, boots, gloves and a long sleeve shirt. Do not wear loose clothing, jewelry, short pants, sandals or go barefoot. Secure hair above shoulder level.
• The cutting attachment shield must always be in place while operating the unit. Do not operate unit without both trimming lines extended, and the proper line installed. Do not extend the trimming line beyond the length of the shield.
• This unit has a clutch. The cutting attachment remains stationary when the engine is idling. If it does not, have the unit adjusted by an authorized service technician.
• Adjust the J-handle to your size in order 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. Refer to Starting/Stopping Instructions.
• Use the right tool. Only use this tool for its intended purpose.
• Do not overreach. Always keep proper footing and balance.
• Always hold the unit with both hands when operating. Keep a firm grip on both handles 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 rotates.
• Do not touch the engine, gear housing or muffler. These parts get extremely hot from operation, even after the unit is turned off.
• 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 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 the unit, switch the engine to off, and disconnect the spark plug for maintenance or repair.
• 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 a 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 a fueled unit 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 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
RULES FOR SAFE OPERATION
5
RULES FOR SAFE OPERATION
SYMBOL MEANING
• 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
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.
• KEEP BYSTANDERS AWAY
WARNING:Keep all
bystanders, especially children and pets, at least 50 feet (15 m.) from the operating area.
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
• 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.
• OIL
Refer to operator's manual for the proper type of oil.
• UNLEADED FUEL
Always use clean, fresh unleaded fuel.
6
RULES FOR SAFE OPERATION
APPLICATIONS
As a trimmer:
Cutting grass and light weeds
Edging
Decorative trimming around trees, fences, etc.
KNOW YOUR UNIT
Fuel Cap
Throttle
Control
J-Handle
Shaft
Grip
Primer
Bulb
Blue EZ-Start
Lever
Air Filter/Muffler
Cover
Shaft Tube
Starter
Rope Grip
Line Cutting Blade
Muffler
On/Off Stop
Control
Cutting Attachment
Cutting Attachment
Shield
EZ-Link™
7
ASSEMBLY INSTRUCTIONS
INSTALL THE CUTTING ATTACHMENT SHIELD
Use the following instructions if the cutting attachment shield on your unit is not installed.
1. Place the cutting attachment shield onto the shaft housing above the clamp assembly (Fig. 3).
2. Push the cutting attachment shield down to the top of the cutting attachment assembly and then rotate the cutting attachment shield until the screw holes align and the guard fits into the recessed pocket (Fig. 4).
3. Install the screws with a Phillips screwdriver (Fig. 5).
Fig. 3
Fig. 4
Shaft Housing
Fig. 5
(4) Screws
Clamp
Assembly
On some units, the J-handle may be pre-installed. In this case you must loosen screws and adjust the handle to fit the operator. Go to step 5 if the J-handle is pre-installed.
INSTALLING AND ADJUSTING THE J-HANDLE
1. Place the J-handle between the top and middle clamp pieces (Fig. 1).
(4) Screws
Top Clamp
J-Handle
Middle Clamp
Bottom Clamp
Nuts
2. While holding the three pieces together, install the four (4) screws through the top clamp and into middle clamp.
NOTE: The holes in the top and middle clamp will line up
only when assembled correctly.
3. Place the clamps and J-handle the over the shaft housing and onto the bottom clamp.
4. Hold each hex nut in the bottom clamp recess with a finger. Start screws with a large Phillips screwdriver. Do not tighten until you make the handle adjustment.
5. Slide the J-handle in or out until the arrow/white line on the decal touches the clamp assembly (Fig. 2). You must first loosen the screws if the handle is pre-installed.
Fig. 1
Fig. 2
6. While holding the unit in the operating position (Fig. 12), position the J-handle to the location that provides you the best grip. Then tighten the screws.
Decal
Cutting
Attachment
Assembly
Cutting Attachment
Shield
Recessed
Pocket
Never operate the
trimmer without the cutting attachment shield in place to prevent serious personal injury.
WARNING:
8
OIL AND FUEL INFORMATION
NOTE: Dispose of the old fuel/oil mix in accordance to
Federal, State and Local regulations.
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 the fresh fuel mix explained in 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
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 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 gasoline 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 below for specific gas and oil mixing ratios.
NOTE: One gallon (3.8 liters) of unleaded gasoline mixed
with one 3.2 oz. (95 ml.) bottle of 2-cycle oil makes a 40:1 fuel/oil ratio.
UNLEADED GAS 2 CYCLE OIL
1 GALLON US
(3.8 LITERS)
3.2 FL. OZ. (95 ml)
1 LITER 25 ml
+
MIXING RATIO - 40:1
Add fuel in a clean,
well ventilated outdoor area. Wipe up any spilled fuel immediately. Avoid creating a source of ignition for spilt fuel. Do not start the engine until fuel vapors dissipate.
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.
WARNING:
Remove fuel cap
slowly to avoid injury from fuel spray. Never operate the unit without the fuel cap securely in place
.
WARNING:
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.
CAUTION:
9
STARTING/STOPPING INSTRUCTIONS
Fig. 6
Starting Position
Start/On (I)
Stop/Off (O)
Throttle Control
Fig. 8
Fig. 7
STARTING INSTRUCTIONS
STOPPING INSTRUCTIONS
1. Release your hand from the throttle control. Allow the engine to cool down by idling.
2. Put the On/Off Stop Control in the OFF (O) position (Fig. 6).
Primer
Bulb
1. Mix gas with oil. Fill fuel tank with fuel/oil mixture. See Oil and Fuel Mixing Instructions.
2. Make sure the On/Off Stop Control in the ON ( I ) position (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 you can’t see fuel in the bulb, press and release the bulb as many times as it takes before you can see fuel in it.
4. Push the blue EZ-Start™ lever towards the primer bulb until it clicks and locks into place (Fig. 7).
5. Crouch in the starting position and do not squeeze the throttle control (Fig. 8). Pull the starter rope out with a controlled and steady motion up to 10 times. Repeat until the engine starts.
NOTE: The unit uses EZ-Pull Version 3™, which
significantly reduces the effort required to start the engine. You must pull the starter rope out far enough to hear the engine attempt to start. There is no need to pull the rope briskly-- there is no harsh resistance when pulling. Be aware that this starting method is vastly different from (and much easier than) what you may be used to.
6. When the engine starts, squeeze the throttle control for 15 to 30 seconds. This will warm up the unit. The
blue EZ-Start™ lever will click off automatically
when you squeeze the throttle control.
IF... The engine does not start, go back to step 3. IF... The engine stops while you are squeezing the
throttle, go back to step 4.
IF... The engine stops before you squeeze the throttle
control, hold the throttle control and pull the starter rope until the trimmer starts.
NOTE: If you are having trouble starting the unit or are
operating in extreme temperatures (below 40º F, above 90º F), refer to the Troubleshooting section.
Operate this unit only 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.
Make sure that any Add-On item is installed correctly and secure before starting the unit.
WARNING:
Trimmer
Equipped With
EZ-Pull
Version 3 ™
Blue EZ-Start™
Lever
10
OPERATING INSTRUCTIONS
For decorative trimming/edging with the line head cutting attachment, lock the release button of the cutting
attachment into the 90° hole (Fig. 11).
OPERATING THE EZ-LINK™ SYSTEM
The EZ-Link™ system enables the use of these optional Add-Ons.
Blower/Vacuum . . . . . . . . . . . . . . . . . . . . . . . . . . BV720r
Cultivator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GC720r
Edger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LE720r
Hedge Trimmer . . . . . . . . . . . . . . . . . . . . . . . . . . HS720r
Snow Thrower . . . . . . . . . . . . . . . . . . . . . . . . . . . ST720r
Straight Shaft Trimmer . . . . . . . . . . . . . . . . . . . . SS725r
Tree Pruner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TP720r
Turbo Blower . . . . . . . . . . . . . . . . . . . . . . . . . . . . TB720r
Removing the Cutting Attachment or Add-Ons
1. Turn the knob counterclockwise to loosen (Fig. 9).
2. Press and hold the release button (Fig. 9).
3. While firmly holding the upper shaft housing, pull the cutting attachment or add-on straight out of the EZ-Link™ coupler (Fig. 10).
Installing the Cutting Attachment or Add-Ons
NOTE: To make installing or removing the add-on
easier, place the unit on the ground or on a work bench.
1. Turn knob counterclockwise to loosen (Fig. 9).
Fig. 9
EZ-Link™ Coupler
Release Button
Guide Recess
Knob
Primary Hole
Upper Shaft Housing
90˚ Edge
Trimming Hole
EZ-Link™ Coupler
2. While firmly holding the add-on, push it straight into the EZ-Link™ coupler (Fig. 10).
NOTE: Aligning the release button with the guide recess
will help installation (Fig. 9).
3. Turn the knob clockwise to tighten (Fig. 11).
Fig. 10
Fig. 11
Knob
Lower Shaft Housing
Release Button
To avoid serious
personal injury and damage to the unit, shut the unit off before removing or installing add-ons.
WARNING:
The add-ons with the
coupler system is to be used in the primary hole only. Using the wrong hole could lead to personal injury or damage to the unit.
CAUTION:
Lock the release
button in the primary hole (Fig. 10) and securely tighten the knob before operating this unit.
CAUTION:
Before you begin
using any attachment, read and understand the manual that came with the attachment. Follow all safety information contained within.
WARNING:
11
OPERATING INSTRUCTIONS
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 attachment parallel to the ground.
Do not force the cutting attachment. Allow the tip of the line to do the cutting, especially along 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 trimmer into and out of the cutting area at the desired height. Move either in a forward­backward or side-to-side motion. Cutting shorter lengths produces the best results.
Trim only when grass and weeds are dry.
The life of your 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.
HOLDING THE TRIMMER
Before operating the unit, stand in the operating position (Fig. 12). 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 J-handle
The unit is at waist level
The cutting attachment is parallel to the ground and easily contacts the grass without the need to bend ove
r
ADJUSTING TRIMMING LINE LENGTH
The Bump Head™ cutting attachment allows you to release trimming line without stopping the engine. To release more line, lightly tap the cutting attachment on the ground (Fig. 13) while operating the trimmer 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 attachment 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 you attempt 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.
Fig. 13
Fig. 12
DECORATIVE TRIMMING
Decorative trimming is accomplished by removing all vegetation around trees, posts, fences and more.
Rotate the whole unit so that the cutting attachment is at a 30° angle to the ground (Fig. 14).
Do not remove or alter
the line cutting blade assembly. Excessive line length will make the clutch overheat. This may lead to serious personal injury or damage to the unit.
CAUTION:
Always wear eye,
hearing, foot and body protection to reduce the risk of injury when operating this unit.
WARNING:
Fig. 14
12
MAINTENANCE SCHEDULE
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.
In order to assure peak performance of your engine, inspection of the engine exhaust port may be necessary after 50 hours of operation. If you notice lost RPM, poor performance or general lack of acceleration, this service may be required. If you feel your engine is in need of this inspection, refer service to any non-road engine repair establishment, individual or authorized service dealer for repair. DO NOT attempt to perform this process yourself as engine damage may result from contaminants involved in the cleaning process for the port.
FREQUENCY MAINTENANCE REQUIRED REFER TO
Before starting engine Fill fuel tank with fresh fuel Page 8 Every 10 hours Clean and re-oil air filter Page 15
Every 25 hours
Check and clean spark arrestor Check spark plug condition and gap
Page 16 Page 18
Every 50 hours
Inspect exhaust port and spark arrestor screen for clogging or obstruction to assure maximum performance levels
Page 16
MAINTENANCE AND REPAIR INSTRUCTIONS
To prevent serious
injury, never perform maintenance or repairs with unit running. Always service and repair a cool unit. Disconnect the spark plug wire to ensure that the unit cannot start.
WARNING:
Always use the
correct line length when installing trimming line on the unit. The line may not release properly if the line is too long.
WARNING:
LINE INSTALLATION FOR THE SPEEDSPOOL
®
Always use original equipment manufacturer 0.080 inch (2.03 mm) replacement line. Lines other than those specified may make the engine overheat or fail.
There are two methods to replace the SpeedSpool
®
trimming line:
• Wind the inner reel with new line
• Install a pre-wound inner reel
Winding the Inner Reel With New Line
NOTE: It Is unnecessary to remove the bump knob to
install a new trimming line.
1. Cut two pieces of 0.080 inch (2.03 mm) trimming line, 10 feet (3 m) long.
2. Hold the outer spool and turn the inner reel counterclockwise to line up the arrows on the outer spool and inner reel (Fig. 15).
Top View Of The SpeedSpool
®
Outer Spool
Inner Reel
Fig. 15
Bump Knob
Arrows
Never use metal-
reinforced line, wire, chain or rope. These can break off and become dangerous projectiles.
WARNING:
13
MAINTENANCE AND REPAIR INSTRUCTIONS
Line Locking Hole
Trimming Line
Line Loading Hole
Eyelet
5. Insert the line into the locking hole (Fig. 17). Do not push the line more than a 1/2 inch (12.7 mm) into the line locking hole. The line will form a small loop (Fig. 17) when it is inserted correctly.
3. Pull old line out of the line loading and line locking holes (Fig. 16 and 17).
4. Insert a piece of trimming line straight into one of the two eyelets in the outer spool. Push it up through the line loading hole in the inner reel (Fig. 16). Do not bend the line when inserting it into the eyelet.
Fig. 16
Fig. 17
6. Pull the line from the outer spool until the line is tight against the inner reel (Fig. 18).
INSTALLING A PRE-WOUND REEL
1. Turn the bump knob counterclockwise and remove the bump knob, spring and foam seal (Fig. 21).
9. If winding the line becomes difficult or if the line jams, pull the ends of the line from the spool (Fig. 20). Continue winding the inner reel counterclockwise.
Fig. 19
Fig. 20
7. Repeat procedures 4-6 with the second piece of line.
8. Hold the outer spool. Wind the inner reel counterclockwise until approximately four (4) inches (102 mm) of line remain (Fig. 19).
NOTE: Do not wind the inner reel before installing the
second piece of line.
Bump Knob
Foam Seal
Spring
Inner Reel
Fig. 21
Fig. 18
14
4. Hold the inner reel in place and install the bump knob, spring and foam seal. Press down and turn the bump knob clockwise. Grasp the ends and pull firmly to release the line from the holding slots in the inner reel (Fig. 21).
Releasing the Inner Reel
If the SpeedSpool®does not release line correctly, pull the ends of the line firmly from the spool (Fig. 20). If this does not the release line, follow the Cleaning the
SpeedSpool®instructions.
2. Pull the old inner reel with existing line from the outer spool.
3. Insert the ends of the prewound inner reel line into the outer spool eyelets (Fig. 22). Push the new inner reel, arrow side up, into the outer spool.
Fig. 22
4. Remove any existing line from the inner reel before cleaning. Remove any debris or grass from the knob, spring, inner reel and foam seal. Wash the inner reel with warm soapy water (Fig. 24).
Fig. 23
CLEANING THE SPEEDSPOOL
®
Cleaning the SpeedSpool®may be necessary if:
A jammed or excessive line must be removed
The SpeedSpool®becomes difficult to wind or does not operate correctly when bumping the head on the ground
1. Hold the outer spool, and unscrew the bump knob counterclockwise (Fig. 23).
2. Pull out the bump knob, spring and foam seal (Fig. 21).
Shaft
Plunger
NOTE: The inner reel must be totally dry before
reinstalling it into the outer spool. Do not lubricate the inner reel or outer spool assembly.
6. Place the inner reel into the outer spool.
7. Place the bump knob, spring and foam seal into the inner reel (Fig. 21).
8. Press the bump knob down and tighten clockwise.
9. Install new line as described in Line Installation for
the SpeedSpool®.
5. Clean the shaft and the inner surface of the outer spool. To clean the shaft underneath the plunger, press down on the plunger (Fig. 25). Remove any dirt or debris from the shaft.
Fig. 25
Inner Reel
Fig. 24
MAINTENANCE AND REPAIR INSTRUCTIONS
15
MAINTENANCE AND REPAIR INSTRUCTIONS
Cleaning the Air Filter
Clean and re-oil the air filter every 10 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. Remove air filter/muffler cover. Refer to Removing the Air Filter/Muffler Cover.
2. Turn cover over and look inside to locate the air filter. Remove the air filter from inside the air filter/muffler cover (Fig. 27).
3. Wash the filter in detergent and water (Fig. 28). Rinse the filter thoroughly. Squeeze out excess water. Allow it to dry completely.
4. Apply enough clean SAE 30 oil to lightly coat the filter (Fig. 29).
5. Squeeze the filter to spread and remove excess oil (Fig. 30).
AIR FILTER MAINTENANCE
Removing the Air Filter/Muffler Cover
1. Remove the four (4) screws securing the air filter/muffler cover (Fig. 26). Use a T20 Torx bit screwdriver.
2. Pull the cover from the engine. Do not force.
Screws
Screws
Fig. 26
Fig. 27
Fig. 28
Fig. 29
Fig. 30
6. Replace the air filter inside the air filter/muffler cover (Fig. 27).
NOTE: Operating the unit without the air filter and air
filter/muffler cover assembly will VOID the warranty.
Reinstalling the Air Filter/Muffler Cover
1. Place the air filter/muffler cover over the back of the carburetor and muffler. Align the screw holes.
2. Insert the four (4) screws into the holes in the air filter/muffler cover (Fig. 26) and tighten.
Do not over tighten.
Air Filter
Inside Muffler
Cover
To avoid serious
personal injury, always turn your unit off and allow it to cool before you clean or service it.
WARNING:
Blue EZ-Start
Lever
16
MAINTENANCE AND REPAIR INSTRUCTIONS
If the spark arrestor
hood and spark arrestor screen are not tightened securely, they could fall off causing damage to the unit and possible serious personal injury.
WARNING:
SPARK ARRESTOR MAINTENANCE
1. Remove air filter/muffler cover. Refer to Removing the Air Filter/Muffler Cover.
2. Locate the muffler, but do not remove it. Find the screw on the bottom of the muffler (Fig. 31). Remove the screw using either a torx #20 or flat blade screwdriver.
3. Carefully pry up the left side spark arrestor hood. Two tabs act as hinges on the right side of the hood. Flip open the spark arrestor hood like a door and then pull its tabs out of the muffler slots.
4. Using a small flat blade screwdriver, carefully pry the spark arrestor screen out from the inside of the spark arrestor hood.
5. Clean the spark arrestor screen with a wire brush. Replace it if it is damaged, or if you are unable to clean it thoroughly.
6. Reinstall the spark arrestor screen snugly back into the spark arrestor hood.
7. Reinstall the two hood tabs into the two muffler slots and flip the spark arrestor hood closed.
8. Replace the screw you removed in Step 2 and tighten it securely.
9. Reinstall the air filter/muffler cover.
Fig. 31
Spark Arrestor
Screen
Spark Arrestor
Hood
Screw
Muffler
Engine
Tabs
Slots
17
MAINTENANCE AND REPAIR INSTRUCTIONS
Fig. 32
Idle Speed Screw
NOTE: The cutting attachment should not rotate when
the engine idles.
3. If the cutting attachment rotates when the engine idles,
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 and 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.
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 prior to 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 air flow 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
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 let it run at a high idle for a 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 hole in the air filter/muffler cover (Fig. 32). Turn the idle speed screw in, clockwise, 1/8 of a turn at a time (as needed) until the engine idles smoothly.
CARBURETOR ADJUSTMENT
The idle speed of the engine is adjustable through the air filter/muffler cover (Fig. 32).
NOTE: Careless adjustments can seriously damage your
unit. An authorized service dealer should make carburetor adjustments.
The cutting
attachment may spin during idle speed adjustments. Wear protective clothing and observe all safety instructions to prevent serious personal injury.
WARNING:
To prevent serious
personal injury, make sure the cutting attachment has stopped rotating before you turn it off and set it down.
WARNING:
18
MAINTENANCE AND REPAIR INSTRUCTIONS
CLEANING
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.
REPLACING THE SPARK PLUG
Use a Champion RDJ7Y spark plug (or equivalent). The correct air gap is 0.020 inch (0.5 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 in. socket counterclockwise.
3. Replace a cracked, fouled or dirty spark plug. Set the air gap at 0.020 in. (0.5 mm) using a feeler gauge (Fig. 33).
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.
0.020 in.
(0.5 mm)
Fig. 33
STORAGE
• Never store the unit with fuel in the tank 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 the unit will be stored 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 in accordance to 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 trimmer 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.
TRANSPORTING
• Allow the engine to cool before transporting.
• Drain fuel from unit.
• Tighten fuel cap before transporting.
• Secure the unit while transporting.
Do not sand blast,
scrape or clean electrodes. Grit in the engine could damage the cylinder.
WARNING:
To avoid serious
personal injury, always turn your unit off and allow it to cool before you clean or service it.
WARNING:
19
TROUBLESHOOTING
If further assistance is required, contact your authorized service dealer.
CAUSE ACTION
Cutting attachment bound with grass Stop the engine and clean cutting attachment Cutting attachment out of line Refill with new line Inner reel bound up Replace the inner reel
Cutting head dirty Clean inner reel and outer spool Line welded Disassemble, remove the welded section and rewind Line twisted when refilled Disassemble and rewind the line Not enough line is exposed Push the bump knob and pull out line until 4 inches
(102 mm) of line is outside of the cutting attachment
CAUSE ACTION
Old or improperly mixed fuel Drain gas tank and add fresh fuel mixture Improper carburetor adjustment Take to an authorized service dealer for an adjustment Fouled spark plug Replace or clean the spark plug Plugged spark arrestor Clean or replace spark arrestor
CAUSE ACTION
On/Off control in the OFF position Turn On/Off control to ON Empty fuel tank Fill fuel tank with properly mixed fuel
Primer bulb wasn't pressed enough Press primer bulb fully and slowly 10 times Engine is flooded Squeeze the trigger and pull the starter rope Old or improperly mixed fuel Drain gas tank and add fresh fuel mixture Fouled spark plug Replace or clean the spark plug Plugged spark arrestor Clean or replace spark arrestor Blue EZ-Start lever wasn’t flipped/set Move lever to the starting position The outside temperature is below 40º F Pull the starter rope up to 10-15 times The outside temperature is above 90º F Squeeze the throttle control and pull the starter rope
ENGINE WILL NOT START
ENGINE WILL NOT IDLE
ENGINE WILL NOT ACCELERATE
ENGINE LACKS POWER OR STALLS WHEN CUTTING
CAUSE ACTION
Air filter is plugged Replace or clean the air filter Old or improperly mixed fuel Drain gas tank and add fresh fuel mixture Improper carburetor adjustment Adjust according to the Carburetor Adjustments section
CAUSE ACTION
Old or improperly mixed fuel Drain gas tank and add fresh fuel mixture Improper carburetor adjustment Take to an authorized service dealer for an adjustment Cutting attachment bound with grass Stop the engine and clean the cutting attachment Dirty air filter Clean or replace the air filter Plugged spark arrestor Clean or replace spark arrestor
CUTTING ATTACHMENT WILL NOT ADVANCE LINE
CAUSE ACTION
Oil, cleaner or lubricant in cutting head Clean and thoroughly dry the cutting head
CUTTING LINE ADVANCES UNCONTROLLABLY
20
SPECIFICATIONS
ENGINE*
DRIVE SHAFT and CUTTING ATTACHMENT*
*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.
Engine Type.......................................................................................................................................... Air-Cooled, 2-Cycle
Stroke................................................................................................................................................... 1.25 in. (31.75 mm.)
Displacement............................................................................................................................................ 1.9 cu in. (31 cc.)
Operating RPM .................................................................................................................................................. 6,800
+ rpm
Idle Speed RPM ...................................................................................................................................... 2,600 - 3,600 rpm
Ignition Type.......................................................................................................................................................... Electronic
Ignition Switch ............................................................................................................................................... Rocker Switch
Spark Plug Gap ...................................................................................................................................... 0.020 in. (0.5 mm.)
Lubrication................................................................................................................................................... Fuel/Oil Mixture
Fuel/Oil Ratio................................................................................................................................................................. 40:1
Carburetor....................................................................................................................................... Diaphragm, All-Position
Starter............................................................................................................................. Auto Rewind (EZ-Pull Version 3™)
Muffler ..................................................................................................................................................... Baffled with Guard
Throttle............................................................................................................................................... Manual Spring Return
Fuel Tank Capacity................................................................................................................................... 15 fl.oz. (444 ml.)
Drive Shaft Housing ......................................................................................................................... Steel Tube (EZ-Link™)
Throttle Control ........................................................................................................................................ Finger-Tip Trigger
Unit Weight (No fuel, with cutting attachment, shield and J-handle) ............................................................. 11 lbs. (5 kg.)
Cutting Mechanism.................................................................................................. SpeedSpool Dual String Cutting Head
Shoulder Strap ........................................................................................................................................................ Optional
Line Spool Diameter.................................................................................................................................... 3 in. (76.2 mm.)
Trimming Line Diameter ....................................................................................................................... 0.080 in. (2.03 mm.)
Cutting Path Diameter.............................................................................................................................. 17 in. (43.18 cm.)
21
California / EPA Emission Control Warranty Statement
Your Warranty Rights and Obligations
The California Air Resources Board, the Environmental Protection Agency and MTD LLC (MTD) are pleased to explain the emission control system warranty on your 2005 and later small off-road engine. New small off-road engines must be designed, built and equipped to meet stringent anti-smog standards. MTD must warrant the emission control system on your small off-road engine for the periods of time listed below provided there has been no abuse, neglect or improper maintenance of your small off-road engine.
Your emission control system may include parts such as the carburetor or fuel-injected system, the ignition system, and catalytic converter. Also included may be hoses, belts, connectors and other emission-related assemblies.
Where a warrantable condition exists, MTD will repair your small off-road engine at no cost to you including diagnosis, parts and labor.
The 2005 and later small off-road engines are warranted for two years. If any emission-related part on your engine is defective, the part will be repaired or replaced by MTD.
Owners Warranty Responsibilities
• As the small off-road engine owner, you are responsible for the performance of the required maintenance listed in your operator’s manual. MTD recommends that you retain all receipts covering maintenance on your small off-road engine, but MTD cannot deny warranty solely for the lack of receipts or for your failure to ensure the performance of all scheduled maintenance.
• As the small off-road engine owner, you however should be aware that MTD may deny you warranty coverage if your small off-road engine or a part has failed due to abuse, neglect, improper maintenance or unapproved modifications.
• You are responsible for presenting your small off-road engine to a MTD Authorized Service Center as soon as a problem exists. The warranty repairs should be completed in a reasonable amount of time, not to exceed 30 days.
If you have any questions regarding your warranty rights and responsibilities, you should call 1-800-345-8746.
Manufacturer’s Warranty Coverage
• The warranty period begins on the date the engine or equipment is delivered to the retail purchaser.
• The manufacturer warrants to the initial owner and each subsequent purchaser, that the engine is free from defects in material and workmanship which cause the failure of a warranted part for a period of two years.
• Repair or replacement of warranted part will be performed at no charge to the owner at an Authorized MTD Service Center. For the nearest location please contact MTD at: 1-800-345-8746.
• Any warranted part which is not scheduled for replacement, as required maintenance or which is scheduled for only for regular inspection to the effect of “Repair or Replace as Necessary” is warranted for the warranty period. Any warranted part which is scheduled for replacement as required maintenance will be warranted for the period of time up to the first scheduled replacement point for that part.
• The owner will not be charged for diagnostic labor which leads to the determination that a warranted part is defective, if the diagnostic work is performed at an Authorized MTD Service Center.
• The manufacturer is liable for damages to other engine components caused by the failure of a warranted part still under warranty.
• Failures caused by abuse, neglect or improper maintenance are not covered under warranty.
• The use of add-on or modified parts can be grounds for disallowing a warranty claim. The manufacturer is not liable to cover failures of warranted parts caused by the use of add-on or modified parts.
• In order to file a claim, go to your nearest Authorized MTD Service Center. Warranty services or repairs will be provided at all Authorized MTD Service Centers.
• Any manufacturer approved replacement part may be used in the performance of any warranty maintenance or repair of emission related parts and will be provided without charge to the owner. Any replacement part that is equivalent in performance or durability may be used in non-warranty maintenance or repair and will not reduce the warranty obligations of the manufacturer
• The following components are included in the emission related warranty of the engine, air filter, carburetor, primer, fuel lines, fuel pick up/ fuel filter, ignition module, spark plug and muffler.
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