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Back To MTD WeedWacker_Weed-Trimmer       Model: 41AD179G695 MTD 4 Cycle Petrol Trimmer Owners Manual
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BCR4ol 4 - Cycle Petr Trimmer OPERATOR’S MANUAL IMPORTANT MANUAL DO NOT THROW AWAY
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INTRODUCTION TABLE of CONTENTS Rules for Safe Operation . . . . . . . . . . . . . . . . . . . . . 3 - 7 Thank You Important Safety Information . . . . . . . . . . . . . . . . . . . 3 Thank you for purchasing this quality product . This Safety and International Symbols . . . . . . . . . . . . . . . . 5 modern outdoor power tool is designed to provide Know your unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 many hours of useful service . You will find it to be a great labor - saving device . Assembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . . 8 Installing the D - Handle . . . . . . . . . . . . . . . . . . . . . . . 8 This operator’s manual provides you with easy - to - understand operating instructions . Read the entire Oil and Fuel Information . . . . . . . . . . . . . . . . . . . . 9 - 10 manual and follow all of the instructions to keep your new outdoor power tool in top operating condition . Starting / Stopping Instructions . . . . . . . . . . . . . . 11 - 12 PRODUCT REFERENCES , ILLUSTRATIONS Operating Instructions . . . . . . . . . . . . . . . . . . . . . 12 - 13 AND SPECIFICATIONS Holding the Trimmer . . . . . . . . . . . . . . . . . . . . . . . . . 12 All information , illustrations and specifications in this Adjusting the Trimming Line Length . . . . . . . . . . . . 13 manual are based on the latest product information Decorative Trimming . . . . . . . . . . . . . . . . . . . . . . . . . 13 available at the time of printing . We reserve the right to Tips for Best Trimming Results . . . . . . . . . . . . . . . . . 13 make changes at any time without notice . Maintenance and Repair Instructions . . . . . . . . . 14 - 21 Copyright © 2002 MTD SOUTHWEST INC Maintenance Schedule . . . . . . . . . . . . . . . . . . . . . . . . 14 All Rights Reserved . Line Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Installing a Prewound Reel . . . . . . . . . . . . . . . . . . . . 16 Air Filter Maintenance . . . . . . . . . . . . . . . . . . . . . . . . 17 SERVICE INFORMATION Spark Arrestor Maintenance . . . . . . . . . . . . . . . . . . . . 17 Service on this unit both within and after the warranty Checking / Changing the Oil . . . . . . . . . . . . . . . . . . . . 18 period should be performed only by an authorized and Carburetor Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 approved service dealer . Rocker Arm Clearance . . . . . . . . . . . . . . . . . . . . . . . . 19 Replacing the Spark Plug . . . . . . . . . . . . . . . . . . . . . 21 NOTE : PROOF OF PURCHASE WILL BE REQUIRED Cleaning and Storage . . . . . . . . . . . . . . . . . . . . . . . . 21 FOR WARRANTY SERVICE . Long Term Storage . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Transporting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Make sure you carefully read and understand this manual before starting or operating this Troubleshooting Chart . . . . . . . . . . . . . . . . . . . . . . . 22 equipment . Specifications . . . . . . . . . . . . . . . . . . . . . . . Back Cover THIS PRODUCT IS COVERED BY ONE OR MORE US PATENTS , OTHER PATENTS PENDING . CONTENTS OF CARTON This unit should consist of the following : • Model BCR4 Trimmer • D - Handle and Hardware • Cutting Attachment Shield • Operator's Manual • Product Registration Card Examine all parts to make certain that nothing is missing and no breakage has occurred during shipping . Any damaged or missing part must be replaced before using this product . 2
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RULES FOR SAFE OPERATION The purpose of safety symbols is to attract your attention to possible dangers . The safety symbols , and their explanations , deserve your careful attention and understanding . The safety warnings do not by themselves eliminate any danger . The instructions or warnings they give are not substitutes for proper accident prevention measures . SYMBOL MEANING SYMBOL MEANING SAFETY ALERT SYMBOL : Indicates danger , WARNING : Failure to obey a safety warning or caution . Special attention is warning can result in serious personal required in order to avoid serious personal injury to yourself or to others . Always injury . May be used in conjunction with other follow the safety precautions to reduce the symbols or pictographs . risk of fire and personal injury . NOTE : Advises you of information or instructions CAUTION : Failure to obey a safety vital to the operation or maintenance of warning can result in serious personal the equipment . injury to yourself or to others . Always follow the safety precautions to reduce the DANGER : Failure to obey a safety risk of fire and personal injury warning will result in serious injury to yourself or to others . Always follow the safety precautions to reduce the risk of fire and personal injury . • IMPORTANT SAFETY INFORMATION • SAFETY WARNINGS FOR PETROL TRIMMERS READ ALL INSTRUCTIONS WARNING : Petrol ( gasoline ) is highly flammable and BEFORE OPERATING its vapors can explode if ignited . Take the following • Read the instructions carefully . Be familiar with the precautions : controls and proper use of the unit . • Store fuel only in containers specifically designed • Do not operate this unit when tired , ill , or under the and approved for the storage of such materials . influence of alcohol , drugs or medication . • Always stop the engine and allow it to cool before • Children and teens under the age of 15 must not use filling the fuel tank . Never remove the cap of the fuel the unit , except for teens guided by an adult . tank , or add fuel when the engine is hot . • Inspect the unit before use . Replace damaged parts . • Pressure can build up in the fuel tank . Loosen the fuel Check for fuel leaks . Make sure all fasteners are in tank cap slowly to relieve any pressure in the tank . place and secure . Replace cutting head parts that are • Add fuel in a clean , well - ventilated area . Wipe up any cracked , chipped , or damaged in any way . Make sure spilled fuel immediately . If fuel has been spilled , the cutting head is properly installed and securely avoid creating a source of ignition or starting the fastened . Be sure the cutting head guard is properly engine until fuel vapors have dissipated . attached , and positioned as recommended . Failure to so can result in personal injury to the operator and • Ensure correct fuel is used . Never operate the unit bystanders , as well as damage to the unit . without the fuel cap securely in place . • Use only original equipment replacement line . Never • Move the unit at least 9.1 meters ( 30 ft . ) from the use metal - reinforced line , wire , or rope , etc . These fueling point before starting the engine . Do not can break off and become a dangerous projectile . smoke . Keep sparks and open flames away from the area while adding fuel or operating the unit . • Be aware of the risk of injury to the head , hands and feet . WHILE OPERATING • Wear safety glasses or goggles and ear / hearing protection at all times when operating this unit . Always wear a face or dust mask if the operation is dusty . 3
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RULES FOR SAFE OPERATION • Wear heavy , long pants , boots and gloves . Do not • Do not operate unit without both trimming lines wear loose clothing , jewelry , short pants , sandals or extended , and the proper line installed . go barefoot . Secure hair above shoulder level . • Do not extend the trimming line beyond the length • The string guard must be in place at all times while of the guard as specified in this manual . operating the unit . Failure to use the string guard • If you strike or become entangled with a foreign may cause the clutch to overheat . DO NOT object , stop the engine immediately and check for OPERATE UNIT WITHOUT THE GUARD IN PLACE . damage . Repair any damage before further operation • Before each use , check that the cutting head is in is attempted . Do not operate the unit with loose or good condition and correctly installed , that the damaged parts . trigger returns automatically to the idle position . • Frequently inspect the condition of the cutting head . • Before starting , adjust the handle to your size and All damaged parts must be replaced immediately . make sure that the cutting head is not in contact Follow all the required precautions when with anything . undertaking replacement . • Use the unit only in daylight or good artificial light . • Performing any maintenance , repair or for changing cutting head or safety attachments , must be • Operate this unit only in a well - ventilated area undertaken with the engine stopped . outdoors . Carbon monoxide exhaust fumes can be lethal in a confined area . • Use only genuine replacement parts when servicing this unit . These parts are available from your • Avoid accidental starting . Be in the starting position authorized dealer . The use of non - standard parts , or whenever pulling the starting rope . The operator and other accessories or attachments not designed for unit must be in a stable position while starting , as this unit , could result in serious injury to the user or shown in Starting / Stopping instructions . damage to the unit and void your warranty . • Use the right tool . Do not use this unit for any job • Keep unit clean of vegetation and other materials . except for which it is intended . They may become lodged between the cutting head • Do not overreach . Keep proper footing and balancing and guard mount . at all times . • To reduce fire hazard , replace faulty mufflers and • Always hold the unit with both hands when spark arrestors , keep the engine and muffler free of operating . Keep a firm grip on both the front and grass , leaves , excessive grease or carbon buildup . rear handles or grips . OTHER SAFETY WARNINGS • This unit has a clutch . The cutting head remains • Never store the unit , with fuel in the tank , inside a stationary when the engine is idling . If it does not , building where fumes may reach an open flame or spark . have the unit adjusted by an authorized service technician . • Allow the engine to cool before storing or transporting . Be sure to secure the unit while • Keep hands , face , and feet away from all moving transporting . Drain fuel before transporting unit . parts . Do not attempt to touch or stop the string or cutting head when it is rotating . • Store the unit in a locked up and dry or high and dry place to prevent unauthorized use or damage , out of • Do not touch the muffler or cylinder . These parts get the reach of children . extremely hot from operation and remain hot for a short time after the unit is turned off . • Never douse or squirt the unit with water or any other liquid . Keep handles dry , clean and free from • Keep all bystanders , especially children and pets , at debris . Clean after each use , referring to the least 15 meters ( 50 ft . ) away from the unit during Cleaning and Storage instructions . operation . • Keep these instructions . Refer to them frequently and • Do not operate the engine faster than the speed use them to instruct other users . If you loan necessary to cut , trim or edge . Do not run the someone this unit , also loan them these instructions . engine at high speed when not cutting . • Always stop the engine when cutting is delayed or SAVE THESE INSTRUCTIONS when walking from one cutting location to another . 4
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RULES FOR SAFE OPERATION 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 • SAFETY ALERT SYMBOL Indicates danger , warning , or caution . May be used in conjunction with other symbols or pictographs . • WARNING - READ OPERATOR'S MANUAL Failure to follow operating instructions and safety precautions in operator's manual can result in serious injury . Read operator's manual before starting or operating this unit . • WEAR EYE AND HEARING PROTECTION WARNING : The operation of any power tool can be the source of thrown objects and loud noise which can cause severe eye injury and hearing loss . Always wear safety glasses or goggles , eye protection and ear protection when operating this unit . Use a full face shield when needed . NOTE : Long term exposure to the sound pressure levels specified may cause permanent loss of hearing . Operator’s should wear hearing protectors in accordance with AS 1270 . • KEEP BYSTANDERS AWAY WARNING : Keep all bystanders , especially children and pets , at least 15 meters ( 50 feet ) from the trimming area . • PRIMER BULB Push primer bulb , fully and slowly , 5 to 7 times . • UNLEADED FUEL ( Petrol ) Always use clean , fresh unleaded fuel ( petrol ) . • OIL Refer to operator's manual for the proper type of oil . 5
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RULES FOR SAFE OPERATION SYMBOL MEANING • THROWN OBJECTS AND ROTATING CUTTER CAN CAUSE SEVERE INJURY WARNING : Do not operate without plastic string guard in place . Keep away from rotating cutting head . IGNITION SWITCH ON / START / RUN • IGNITION SWITCH 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 and remain hot for a short time after the unit is turned off . • SHARP BLADE WARNING : Sharp blade on string guard . To prevent serious injury , do not touch blade . • CHOKE CONTROL A • FULL choke position B • PARTIAL choke position C • RUN position • BRUSHCUTTERS • REPLACE DULL BLADE Do not sharpen the cutting blade . Sharpening the blade can cause the blade tip to break off while in use . This can result in severe personal injury . • TRIMMER / BRUSHCUTTER SAFETY WARNING : Thrown objects and rotating cutter can cause severe injury . Keep bystanders , especially children and pets , at least 15 m ( 50 feet ) away from the cutting area . The cutting attachment shield must be used when using the trimmer cutting attachment . 6
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RULES FOR SAFE OPERATION KNOW YOUR UNIT Spark Plug APPLICATIONS As a trimmer : • Cutting grass and light weeds • Edging • Decorative trimming around trees , fences , etc . Primer Bulb Air Filter Cover Shaft Grip Throttle Choke Lever Control Shoulder Strap Loop Fuel Cap Starter Rope Grip Oil Fill Plug / Dipstick D - Handle On / Off Stop Control Shaft Housing Gear Housing Cutting Attachment Shield Line Cutting Blade Cutting Attachment 7
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ASSEMBLY INSTRUCTIONS INSTALLING THE D - HANDLE The D - handle may be pre - installed one some units . In this case , all that is required is the loosening of screws and D - handle adjustment . Tailor the handle to the operator . Go to step 4 for adjusting the D - handle if it is pre - installed . Shaft Grip ( 4 ) Screws Shaft Housing Minimum 15.24 cm ( 6 inches ) FIGURE 2 D - Handle Bottom Clamp 4 . If the D - handle was pre - installed , loosen its screws just enough so that the handle slides and moves FIGURE 1 easily . 5 . While holding the unit in the operating position , 1 . Remove the screws and bottom clamp piece that arrange the D - handle to the location that provides were installed on the D - handle for shipping . you the best grip . See Figure 2 . 2 . Place the D - handle over the shaft housing and 6 . Tighten the clamp screws evenly , until the onto the bottom clamp . See Figure 1 . Place it a D - handle is secure . minimum of 15.24 cm ( 6 inches ) from the end of the shaft grip . 3 . Start the screws with a large flathead or T25 screwdriver . Do not tighten them until you make the handle adjustment . 8
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OIL & FUEL INFORMATION RECOMMENDED OIL TYPE It is extremely important to use the proper type and weight of oil in the crankcase . Check the oil before each use and change the oil regularly . The use of incorrect or dirty oil can cause premature engine wear and failure . FIGURE 3 Use a high - quality SAE 30 weight oil of API ( American Petroleum Institute ) service class SF , SG , SH . ADDING OIL TO CRANKCASE : INITIAL USE NOTE : This unit is shipped without oil . To avoid damaging the unit , put oil in the crankcase before attempting to start it . This 4 - Cycle trimmer is shipped for NOTE : operation in conditions above 40 ° F ( 4 ° C ) . For cold weather operation , where temperatures dip below 40 ° F ( 4 ° C ) , use a high - quality SAE 10W30 weight oil of API ( American Petroleum Institute ) service class SF , SG , SH . FIGURE 4 1 . Place the unit on a flat level surface . See Figure 3 . It is crucial to keep the unit level when RECOMMENDED FUEL TYPE filling with oil . Old fuel is the primary reason for improper unit 2 . Remove the oil plug / dipstick from the crankcase . performance . Be sure to use fresh , clean , unleaded 3 . Pour 100ml of oil into the oil fill hole . See Figure 4 . petrol ( gasoline ) . NOTE : Never add oil to the fuel or fuel tank . NOTE : This is a four cycle engine . In order to avoid 4 . Wipe up any oil that may have spilled and reinstall damage to the unit , do not mix oil with the oil fill plug / dipstick . petrol ( gasoline ) . The importance of checking and maintaining the proper oil level in the crankcase cannot be overemphasized . Check oil before each use and change as specified in the Maintenance Schedule . 9
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OIL & FUEL INFORMATION 1 . Remove the fuel cap and . DEFINITION OF BLENDED FUELS Today's fuels are often a blend of petrol and NOTE : Fill or add fuel to the tank only when the oxygenates such as ethanol , methanol or MTBE trimmer is in a horizontal position . ( ether ) . Alcohol - blended fuel absorbs water . As little as 1 % water in the fuel can make fuel form acids when WARNING : Remove fuel cap slowly to avoid stored . When using alcohol - blended fuel , use fresh petrol injury from spray . fuel that is less than 60 days old . Using Blended Fuels 2 . Place the spout of the gas container into the fill If you choose to use a blended fuel , or if its use is hole on the fuel tank and fill . See Figure 5 . unavoidable , follow recommended precautions : • Always use fresh unleaded petrol ( gasoline ) • Use the fuel additive STA - BIL ® or an equivalent • Drain tank and run the engine dry before storing the unit Using Fuel Additives ® The use of fuel additives , such as STA - BIL Gas Stabilizer or an equivalent , will inhibit corrosion and minimize the formation of gum deposits . Using a fuel additive can keep fuel from forming harmful deposits in the carburetor for up to six ( 6 ) months . Add 0.8 oz . FIGURE 5 ( 23 ml . ) of fuel additive per gallon of fuel according to the instructions on the container . NEVER add fuel WARNING : Add petrol ( gasoline ) in a clean , additives directly to the unit's gas tank . well - ventilated outdoor area . Avoid creating a source of ignition for spilled fuel . FUELING UNIT NOTE : Do not overfill tank . WARNING : Petrol ( gasoline ) is extremely flammable and its vapors can explode if 3 . Wipe up any petrol that may have spilled . ignited . To avoid serious personal injury , 4 . Reinstall the fuel cap . always stop the engine and allow it to cool before filling the fuel tank . Do not smoke WARNING : Never operate the unit without while filling the tank . Keep sparks and open the fuel cap securely in place . flames away from the area . 5 . Move the unit at least 9.1 m ( 30 ft . ) from the fueling source and site before starting the engine . NOTE : Dispose of the old petrol in accordance to Federal , State and Local regulations . 10
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STARTING / STOPPING INSTRUCTIONS STARTING INSTRUCTIONS WARNING : Operate this unit only in a well ventilated outdoor area . Carbon monoxide Start / On 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 , as shown in Stop / Off Figure 9 . To avoid serious injury , the On / Off Stop Control operator and unit must also be in a stable position while starting . FIGURE 6 Cold Start : First Start of the Day or Partial Choke Run Engine Ran Out of Fuel Primer Bulb Position ( B ) Position ( C ) 1 . Check oil level in crankcase . Refer to Checking the Oil Level . 2 . Fill the fuel tank with fresh , clean , unleaded petrol ( gasoline ) . 3 . Put the Start / Stop Control in the START position . See Figure 6 . Full Choke 4 . Place the choke lever in the FULL choke ( A ) Position ( A ) position . See Figure 7 . NOTE : Slide the choke lever directly above the appropriate symbol on air filter cover decal . 5 . Fully press and release the primer bulb 5 to 7 Choke Lever times , slowly , until FUEL IS VISIBLE IN THE PRIMER BULB . If you can’t see fuel in the bulb , press and release the bulb three ( 3 ) additional times , or as many times as it takes before you can FIGURE 7 see fuel in it . See Figure 7 . 6 . Squeeze and hold the throttle control to the wide open ( full throttle ) position . 7 . With the unit in the starting position , pull the starter rope briskly 5 times in the FULL choke ( A ) Starter Rope position . If the engine attempts to run before the fifth pull , proceed to step 8 . See Figure 8 . 8 . Move the choke lever to the PARTIAL ( B ) position . See Figure 7 . NOTE : The engine will not run in the FULL choke ( A ) position . 9 . Pull the starter rope 1 to 3 times until the engine starts . Run for 15 - 30 seconds . If the unit fails to Throttle Control start , return to step 7 . FIGURE 8 10 . Move the choke lever to the RUN ( C ) position and run at full throttle for 30 seconds . NOTE : If the engine does not start using these 11 . Release the throttle control to the idle position and procedures , repeat steps 5 through 11 using begin operation . TWO ( 2 ) pulls in the FULL choke ( A ) position . 11
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STARTING / STOPPING INSTRUCTIONS NOTE : Four - stroke engines , like cars , are able to Engine Re - Start : Warm Engine With Fuel start in the idle position . As an alternate 1 . Put the On / Off Stop Control in the START method , you may want to start your unit in position . See Figure 6 . the idle position when the unit is warm . With 2 . Move the choke lever to the PARTIAL ( B ) the On / Off Stop Control in the START position . See Figure 7 . position and the choke lever in the RUN ( C ) 3 . Squeeze the throttle control to the wide open position , pull the starter rope briskly . ( full throttle ) position . When the engine starts , run at full throttle for 30 seconds . If the unit fails to start or 4 . With the unit in the starting position , pull the dies , revert to the Engine Re - Start procedure starter rope briskly until the engine starts . See for warm engines . Figure 8 . 5 . When the engine starts , move the choke lever to STOPPING INSTRUCTIONS the RUN ( C ) position , and run at full throttle 1 . Release your hand from the throttle control . Allow for 30 seconds , and up to one ( 1 ) minute in the engine to idle . temperatures below 40 ° F ( 4 ° C ) . 2 . To stop the engine , put the On / Off Stop Control in NOTE : If the engine does not start using the the STOP position . See Figure 6 . Engine Re - start procedures , revert to the Cold Start procedures . OPERATING INSTRUCTIONS HOLDING THE TRIMMER 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 . See Figure 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 , and the hand is holding the D - Handle • The unit is at waist level • The cutting head is parallel to the ground and easily contacts the vegetation without the need to bend over FIGURE 9 12
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OPERATING INSTRUCTIONS ADJUSTING TRIMMING LINE LENGTH The Bump Head ™ allows you to release trimming line without stopping the engine . To release more line , lightly tap the cutting head on the ground while operating the trimmer at high speed . See Figure 10 . FIGURE 11 TIPS FOR BEST TRIMMING RESULTS FIGURE 10 1 . The correct angle for the cutting head is parallel to the ground . NOTE : Always keep the trimming line fully NOTE : Do not rest the Bump Head ™ on the ground . extended . Line release becomes more difficult as cutting line becomes shorter . 2 . DO NOT FORCE THE UNIT . Allow the very tip of Each time the head is bumped , it releases about 25.4 the line to do the cutting ( especially along walls ) . mm ( 1 inch ) of trimming line . A blade in the string Cutting with more than the tip will reduce cutting guard cuts the line to the proper length if excess line is efficiency and may overload the engine . released . 3 . Grass over 200 mm ( 8 in . ) should be cut by working For best results , tap the Bump Head ™ on bare ground from top to the bottom in small increments to avoid or hard soil . If you attempt to release line in tall grass , premature line wear or engine drag . the engine may overheat . Always keep the trimming 4 . Whenever possible , cut right to left . When cutting line fully extended . Line release becomes more difficult to the left , the unit's cutting efficiency is improved as the cutting line becomes shorter . slightly . Also , the clippings are thrown away from the operator . NOTE : Do not rest the Bump Head ™ on the ground while the unit is running . 5 . Slowly move the trimmer into and out of the area being cut , keeping the trimmer at the desired CAUTION : Do not remove or alter the line cutting height . Move either in a forward - to - cutting blade assembly . Excessive line length backward or side - to - side motion . Cutting shorter will make the unit overheat . This may lead to lengths produces best results . serious personal injury or damage to the unit . 6 . Trim only when grass and weeds are dry . 7 . The life of your cutting line is dependent upon : Some line breakage will occur from : • Entanglement with foreign matter • Following the trimming techniques • Normal line fatigue • What vegetation is being cut • Attempting to cut thick , stalky weeds • Where vegetation is cut • Forcing the line into objects such as walls or fence posts For example , the line will wear faster when trimming against a foundation wall as opposed to trimming DECORATIVE TRIMMING around a tree . Decorative trimming is accomplished by removing all vegetation around trees , posts , fences and more . Use a 30 - degree angle when trimming with this method . See Figure 11 . 13
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MAINTENANCE & REPAIR INSTRUCTIONS NOTE : Maintenance , replacement , or repair of the MAINTENANCE SCHEDULE emission control devices and system may be Perform these required maintenance procedures at the performed by any non - road engine repair frequency stated in the table . These procedures should establishment , individual or authorized also be a part of any seasonal tune - up . service dealer . NOTE : Some maintenance procedures may require In order to assure peak performance of your engine , special tools or skills . If you are unsure inspection of the engine exhaust port may be about these procedures take your unit to any necessary after 50 hours of operation . If you notice non - road engine repair establishment , lost RPM , poor performance or general lack of individual or authorized service dealer . acceleration , this service may be required . If you feel your engine is need of this inspection , refer service : To prevent serious injury , never WARNING to any non - road engine repair establishment , perform maintenance or repairs with unit individual or authorized service dealer for repair . running . Always service and repair a cool DO NOT attempt to perform this process yourself as unit . Disconnect the spark plug wire to engine damage may result from contaminants ensure that the unit cannot start . involved in the cleaning process for the port . FREQUENCY MAINTENANCE REQUIRED REFER TO Fill fuel tank with fresh fuel Page 9 Before starting engine Check oil Page 18 Every 10 hours Clean and re - oil air filter Page 17 First change at 10 hours Change oil Page 18 Every 25 hours thereafter Change oil Page 18 Every 25 hours Clean spark arrestor Page 17 10 hours on new engine Check rocker arm to valve clearance and adjust Page 19 Every 25 hours Check rocker arm to valve clearance and adjust Page 19 Every 25 hours Check spark plug condition and gap Page 21 LINE INSTALLATION Check for Loose Fastener Parts This section covers both membrane line and standard • Bump Head ™ single line installation . • String Guard Screws Always use manufacturer’s 0.095 inch ( 2.41 mm ) replacement line . Line other than the specified may After Each Use Clean Unit and Labels cause the engine to overheat or fail . • Clean the unit using a damp cloth with a mild WARNING : To prevent serious personal detergent . injury , never use metal - reinforced line , wire • Wipe off the unit with a clean dry cloth . or rope . These can break off and become • Keep air vents free from debris at all times . dangerous projectiles . There are two ways to replace the trimming line : • Wind the inner reel with new line • Install a prewound inner reel 14
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MAINTENANCE & REPAIR INSTRUCTIONS NOTE : Always use the correct line length when Winding the Inner Reel With New Line installing trimming line on the unit . The line 1 . Hold the outer spool with one hand and unscrew may not release properly if it is too long . the Bump Knob clockwise . Inspect the bolt inside the Bump Knob to make sure it moves freely . For Use with For Use with Membrane Replace the Bump Knob if damaged . Single Line ONLY Line or Single Line 2 . Remove the inner reel from the outer spool . See Slotted Holes Figure 12 . FIGURE 14 Outer Spool Single Line Installation Spring Go To Step 8 for Membrane Line Installation . Inner Reel 6 . Take approximately 40 feet ( 12.2 m ) of new Bolt Bump Knob trimming line and loop it into two equal lengths . Insert each end of the line through one of the two holes in the inner reel . Pull the line through the inner reel so that the loop is as small as possible . FIGURE 12 See Figure 15 . 3 . Remove the spring from the inner reel . See Figure 12 . 4 . Use a clean cloth to wipe the inner reel , spring , shaft and inner surface of the outer spool . 5 . Check the indexing teeth on the inner reel and outer spool for wear . See Figure 13 . If necessary , Loop remove burrs or replace the reel and spool . NOTE : You can only use the membrane line with the inner reel that contains slotted holes . Single line can be used on either type of inner reel . FIGURE 15 Use Figure 14 to identify the inner reel you 7 . Wind the lines in tight even layers , onto the reel . have . See Figure 16 . Wind the line in the direction indicated on the inner reel . Place your index finger between the two lines to stop the lines from Indexing Teeth overlapping . Do not overlap the ends of the line . Proceed to step 11 . FIGURE 13 FIGURE 16 15
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MAINTENANCE & REPAIR INSTRUCTIONS Membrane Line Installation 8 . Take approximately 20 feet ( 6.1 m ) of new trimming line . Insert one end of the line through Spring one of the two holes in the inner reel . Pull the line through the inner reel until only about 4 inches is left out . See Figure 17 . 9 . Insert the end of the line into the open hole in the inner reel and pull the line tight to make the loop as small as possible . See Figure 17 . FIGURE 19 NOTE : The spring must be assembled on the inner reel before reassembling the cutting attachment . Loop 14 . Hold the inner reel in place and install the Bump Knob by turning counterclockwise . Tighten FIGURE 17 securely . 10 . Before winding , split the line back about 6 inches . Installing A Prewound Reel 1 . Hold the outer spool with one hand and unscrew 11 . Wind the line in tight even layers in the direction the Bump Knob clockwise . See Figure 12 . Inspect indicated on the inner reel . the bolt inside the Bump Knob to make sure it NOTE : Failure to wind the line in the direction moves freely . Replace the Bump Knob if damaged . indicated will cause the cutting attachment 2 . Remove the old inner reel from the outer spool . to operate incorrectly . See Figure 12 . 12 . Insert the ends of the line into the two holding 3 . Remove the spring from the old inner reel . See slots . See Figure 18 . Figure 12 . 4 . Place the spring in the new inner reel . NOTE : The spring must be assembled on the inner reel before reassembling the cutting attachment . 5 . Insert the ends of the line through the eyelets in the outer spool . See Figure 19 . 6 . Place the new inner reel inside the outer spool . Push the inner reel and outer spool together . Holding Slots While holding the inner reel and outer spool , FIGURE 18 grasp the ends and pull firmly to release the line from the holding slots in the spool . 13 . Insert the ends of the line through the eyelets in 7 . Hold the inner reel in place and install the Bump the outer spool and place inner reel with spring Knob by turning counterclockwise . Tighten inside the outer spool . See Figure 19 . Push the securely . inner reel and outer spool together . While holding the inner reel and outer spool , grasp the ends and Replacement Parts pull firmly to release the line from the holding Line assembly replacement parts are listed in the slots in the reel . Replacement Parts / Accessories section . 16
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MAINTENANCE & REPAIR INSTRUCTIONS AIR FILTER MAINTENANCE WARNING : To avoid serious personal injury , always turn off your trimmer and allow it to cool before you clean or maintain it . Clean and re - oil the air filter every 10 hours of operation . It is an important item to maintain . Failure to maintain the air filter will VOID the warranty . 1 . Remove the air filter cover by pulling up the two tabs on the bottom back of the cover , then pull out and up . See Figure 20 . 2 . Remove the air filter . FIGURE 22 3 . Wash the filter in detergent and water . Rinse the 6 . Reinstall the filter . See Figure 22 . filter thoroughly and allow it to dry . 4 . Apply enough clean SAE 30 motor oil to lightly SPARK ARRESTOR MAINTENANCE coat the filter . See Figure 21 . 1 . Remove the muffler cover . Refer to the Rocker 5 . Squeeze the filter to spread and remove excess oil . Arm section . See Figure 21 . 2 . Using a pair of pliers , remove the clip wrapped Air Filter Cover tight around the spark arrestor screen . See Figure 23 . Choke Lever Air Filter Spark Arrestor Muffler Tab Clip Back Plate Slots FIGURE 23 FIGURE 20 3 . Remove the spark arrestor screen from the muffler . 4 . Clean the spark arrestor screen with a wire brush , or replace it . 5 . Reinstall the spark arrestor screen , clip , muffler cover and screws . FIGURE 21 17
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MAINTENANCE & REPAIR INSTRUCTIONS CHECKING THE OIL LEVEL CHANGING THE OIL For a new engine , change the oil after the first 10 CAUTION : To prevent extensive engine wear hours of operation . Change the oil while the engine is and damage to the unit , always maintain the still warm . The oil will flow freely and carry away proper oil level in the crankcase . Never more impurities . operate the unit with the oil level below the bottom of the dipstick . CAUTION : Wear gloves to prevent injury when handling the unit . The importance of checking and maintaining the proper oil level in the crankcase cannot be overemphasized . Check oil before each use : 1 . Unplug spark plug boot to eliminate starting . 1 . Stop engine and allow oil to drain into the 2 . Remove the oil fill plug / dipstick . crankcase . 3 . Pour the oil out of the oil fill hole and into a 2 . To get a proper oil level reading , place the unit on container by tipping the unit to a vertical position . a flat , level surface . Allow ample time for complete drainage . See Figure 25 . 3 . Keep dirt , grass clippings and other debris out of the engine . Clean the area around the oil fill plug / dipstick before removing it . 4 . Remove the oil fill plug / dipstick and wipe off oil . Reinsert it all the way back in . 5 . Remove the oil fill plug / dipstick and check the oil level . The oil should reach the top of the dipstick . See Figure 24 . Oil Fill Plug / Dipstick O - Ring FIGURE 25 Full 4 . Wipe up any oil residue on the unit and clean up Add 1.4 - 1.5 Oz . any oil that may have spilled . Dispose of the oil ( 41 - 44 ml ) according to Federal , State and Local regulations . 5 . Refill the crankcase with 3.4 fluid ounce ( 100 ml ) of SAE 30 SF , SG , SH oil . Top of Dipstick NOTE : For cold weather operation , where FIGURE 24 temperatures plummet below 40 ° F ( 4 ° C ) , use a high - quality SAE 10W30 weight oil of API 6 . If the level is low , add a small amount of oil to the ( American Petroleum Institute ) service class oil fill hole and recheck . Repeat until the oil level SF , SG , SH . reaches the top of the dipstick . See Figure 24 . NOTE : Measure the correct amount of oil and fill NOTE : Do not overfill the unit . the unit with approximately 3.4 ounces ( 100 ml ) . Check the level with the dipstick . If NOTE : Make sure the O - ring is in place on the oil fill the level is low , add a small amount of oil plug / dipstick when checking and changing and recheck . Do not overfill . the oil . See Figure 24 . 6 . Replace the oil fill plug / dipstick . 7 . Reconnect the spark plug boot . 18
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MAINTENANCE & REPAIR INSTRUCTIONS CARBURETOR SETTING Idle Speed Screw The idle speed of the engine is adjustable through the air filter / muffler cover . See Figure 26 . NOTE : Careless adjustments can seriously damage your unit . An authorized service dealer should make carburetor adjustments . Check Fuel Mixture Old or dirty fuel is usually the reason for improper unit performance . Drain and refill the tank with fresh FIGURE 26 fuel prior to making any adjustments . Refer to Oil and Fuel Information . 3 . If the cutting head rotates when the engine idles , turn the idle speed screw counterclockwise 1 / 8 of a Clean Air Filter turn at a time ( as needed ) to reduce idle speed . The condition of the air filter is important to the These procedures should solve most engine problems . operation of the unit . A dirty air filter will restrict air If this isn’t the case , and : flow and change the air / fuel mixture . This is often mistaken for an out of adjustment carburetor . Check the • The engine will not idle condition of the air filter before adjusting the idle speed • The engine hesitates or stalls on acceleration screw . Refer to Air Filter Maintenance . • There is a loss of engine power Adjusting the Idle Speed Have the carburetor adjusted by an authorized service WARNING : The cutting head may spin during dealer . idle speed adjustment . Wear protective clothing and observe all safety instructions to WARNING : After the unit is turned off , prevent serious personal injury . make sure the cutting head has stopped before you set down the unit . This will help If , after checking the fuel mixture and cleaning the air prevent serious personal injury . filter , the engine still will not idle , adjust the idle speed as follows : 1 . Start the engine and let it run at a high idle for a ROCKER ARM CLEARANCE minute to warm up . This procedure requires disassembly of the engine . If 2 . Release the throttle trigger and let the engine idle . you feel unsure or unqualified to perform this , take the If the engine stops , engage the idle speed screw unit to an authorized service center . with a small screwdriver . See figure 26 . Turn the idle speed screw in , clockwise , 1 / 8 of a turn at a NOTE : Inspect the valve to rocker arm clearance time ( as needed ) until the engine idles smoothly . with a feeler gauge after the first 10 hours of operation and then every 25 hours of NOTE : The cutting head should not rotate when the operation thereafter . engine idles . • The engine must be cold when checking or adjusting the valve clearance . • This task should be performed inside , in a clean , dust free area . 19
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MAINTENANCE & REPAIR INSTRUCTIONS 1 . Loosen the four ( 4 ) screws shown in Figure 27 . 7 . Pull the starter rope slowly to bring the piston to the top of its travel , ( known as top dead center ) . Check that : Engine Cover • While looking in the spark plug hole , the piston is at the top of its travel . See Figure 29 . • Both rocker arms move freely , and both valves are Remove closed . Screws If not , repeat this step . Loosen Screws 8 . Slide the feeler gauge between the rocker arm and the valve return spring . Measure the clearance between the valve stem and rocker arm . Measure both the intake and exhaust valves . See Figure 30 . The recommended clearance for both intake and exhaust is . 076 – 0.152 mm ( . 003 – . 006 in . ) . Use a FIGURE 27 standard automotive 0.127 mm ( . 005 in . ) feeler gauge . The feeler gauge should slide between the rocker arm 2 . Remove the three ( 3 ) screws that secure the and valve stem with a slight amount of resistance , engine cover , visible in Figures 27 and 28 . without binding . See Figure 30 . 3 . Disconnect the spark plug wire . Adjusting Nut 4 . Remove the spark plug . Rocker Arm Feeler 5 . Remove the engine cover . Gauge Gasket Remove Screw FIGURE 30 Back of Engine 10 . If the clearance is not within specification : FIGURE 28 a . Turn the adjusting nut using a 5 / 16 inch ( 8 mm ) wrench or nut driver . See Figure 30 . 6 . Clean dirt from around the rocker arm cover . Then remove the screw holding the rocker arm cover • To increase clearance , turn the adjusting nut with a large flat blade screwdriver or Torx T25 bit . counterclockwise . Remove the rocker arm cover and gasket . See • To decrease clearance , turn the adjusting nut Figure 29 . clockwise . b . Recheck both clearances , and adjust as necessary . 11 . Reinstall the rocker arm cover using a new gasket . Rocker Arm Cover Torque the screw to 2.2 – 3.4 N • m ( 20 – 30 in • lb ) . NOTE : You can purchase a rocker arm cover gasket Spark Plug from your local authorized dealer . Hole 12 . Reinstall the engine cover . Check alignment of the cover before tightening the screws . Tighten screws . 14 . Check the spark plug and reinstall . Refer to Replacing the Spark Plug . 15 . Replace the spark plug wire . FIGURE 29 20
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MAINTENANCE & REPAIR INSTRUCTIONS REPLACING THE SPARK PLUG STORAGE Use a Champion RDZ19H spark plug ( or equivalent ) . The • Never store the unit with fuel in the tank where correct air gap is 0.635 mm ( 0.025 in . ) Remove the plug fumes may reach an open flame or spark . after every 25 hours of operation and check its condition . • Allow the engine to cool before storing . 1 . Stop the engine and allow it to cool . Grasp the • Store the unit locked up to prevent unauthorized plug wire firmly and pull it from the spark plug . use or damage . 2 . Clean around the spark plug . Remove the spark • Store the unit in a dry , well - ventilated area . plug from the cylinder head by turning a 5 / 8 - inch • Store the unit out of the reach of children . socket counterclockwise . 3 . Replace cracked , fouled or dirty spark plug . Set the LONG TERM STORAGE air gap at 0.635 mm ( 0.025 in . ) using a feeler If the unit will be stored for an extended time , use the gauge . See Figure 32 . following storage procedure : CAUTION : Do not sand blast , scrape , or 1 . Drain all petrol ( gasoline ) from the fuel tank into a clean electrodes . Grit in the engine could container . Do not use petrol that has been stored damage the cylinder . for more than 60 days . Dispose of the old fuel in accordance to Federal , State and Local regulations . 4 . Install a correctly gapped spark plug in the 2 . Start the engine and allow it to run until it stalls . cylinder head . Tighten by turning the 5 / 8 - inch This ensures that all fuel has been drained from socket clockwise until snug . the carburetor . If using a torque wrench torque to : NOTE : Remove the spark plug and drain all of the oil 12.3 - 13.5 N • m ( 110 - 120 in . • lb . ) from the cylinder before attempting to start Do not over tighten . the trimmer after storage . 3 . Thoroughly clean the unit and inspect for any loose or damaged parts . Repair or replace damaged parts and tighten loose screws , nuts or bolts . The 0.635 mm unit is ready for storage . ( 0.025 in . ) TRANSPORTING • Allow the engine to cool before transporting . FIGURE 31 • Secure the unit while transporting . • Drain fuel from unit . CLEANING • Tighten fuel cap before transporting . WARNING : To avoid serious personal injury , always turn your trimmer off and allow it to cool before you clean or perform any maintenance . 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 . 21
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TROUBLESHOOTING GUIDE ENGINE WILL NOT START CAUSE ACTION Ignition switch is in OFF / STOP position . . . . . . . . . . . . Turn ignition switch to ON Empty fuel tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fill fuel tank with proper fuel Primer bulb wasn't pressed enough . . . . . . . . . . . . . . . . Press primer bulb fully and slowly 5 - 7 times Engine flooded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Use starting procedure WITHOUT USING CHOKE Old or improper fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . Drain fuel tank and add fresh fuel Fouled spark plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Replace or clean the spark plug ENGINE WILL NOT IDLE CAUSE ACTION Air filter is plugged . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Replace or clean the air filter Old or improper fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . Drain fuel tank and add fresh fuel Carburetor adjusted poorly . . . . . . . . . . . . . . . . . . . . . . . Adjust carburetor idle ENGINE WILL NOT ACCELERATE CAUSE ACTION Old or improper fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . Drain fuel tank and add fresh fuel Cutting head bound with grass . . . . . . . . . . . . . . . . . . . . Stop the engine and clean the cutting head ENGINE LACKS POWER OR STALLS WHEN CUTTING CAUSE ACTION Dirty air filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Clean or replace the air filter Old or improper fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . Drain fuel tank and add fresh fuel Cutting head bound with grass . . . . . . . . . . . . . . . . . . . . Stop the engine and clean the cutting head Muffler or spark arrestor plugged . . . . . . . . . . . . . . . . . . Clean or replace muffler / spark arrestor Carburetor misadjusted . . . . . . . . . . . . . . . . . . . . . . . . . . Take to an authorized service dealer for carburetor adjustment CUTTING HEAD WILL NOT ADVANCE LINE CAUSE ACTION Cutting head 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 the line Line twisted when refilled . . . . . . . . . . . . . . . . . . . . . . . . Disassemble and rewind the line Not enough line is exposed . . . . . . . . . . . . . . . . . . . . . . . Push the bump knob and pull out line until 102 mm ( 4 inches ) of line is outside of the cutting head CUTTING LINE ADVANCES UNCONTROLLABLY CAUSE ACTION Oil in cutting head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Clean the cutting head assembly If further assistance is required , contact your authorized service dealer . 22
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NOTES 23
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SPECIFICATIONS ENGINE Engine Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air - Cooled , 4 - Cycle Displacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26.2 cc ( 1.6 cu . in . ) Clutch Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Centrifugal Idle Speed RPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3,000 - 3,600 rpm Operating RPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7,200 - 8,300 rpm Ignition Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Electronic On / Off Stop Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Toggle Switch Valve clearance ( intake and exhaust ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 076 – . 0152 mm ( . 003 – . 006 in . ) Spark Plug Gap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.635 mm ( 0.025 in . ) Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SAE 30 Oil Crankcase Oil Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 ml ( 3.4 oz ) Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unleaded Carburetor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Diaphragm , All - Position Starter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Auto Rewind Muffler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Baffled with Guard Throttle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Manual Spring Return Fuel Tank Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 561 ml ( 19 oz ) DRIVE SHAFT and CUTTING HEAD Drive Shaft Housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Aluminum Throttle Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Finger - Tip Trigger Unit Weight ( No Fuel , with D - handle , Cutting attachment shield and Cutting attachment ) . . . . . . . . . 11 lbs ( 4.9 kg ) Cutting Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dual String Cutting Head Line Spool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bump Line Releaser Line Spool Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101.6 mm ( 4 inches ) Trimming Line Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.41 mm ( 0.095 inches ) Cutting Path Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44.0 cm ( 18 inches ) OPERATOR’S MANUAL PART NO . 792 - 10550A PRINTED IN THE USA 8 / 02
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