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Back To MTD WeedWacker_Weed-Trimmer       Model: 41AM079G670 MTD Brushcutter Kit Owners Manual
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BCR4 BCKr Brushcutte Kit OPERATOR’S MANUAL IMPORTANT MANUAL DO NOT THROW AWAY
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INTRODUCTION TABLE of CONTENTS Rules for Safe Operation . . . . . . . . . . . . . . . . . 3 - 5 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 many hours of useful service . You will find it to be a great labor - saving device . Assembly Instructions . . . . . . . . . . . . . . . . . . 6 - 11 Install the Brush Cutter Kit . . . . . . . . . . . . . . . . 6 This operator’s manual provides you with easy - to - Remove the D - Handle . . . . . . . . . . . . . . . . . . . . 6 understand operating instructions . Read the entire manual and follow all of the instructions to keep your Install the J - Handle . . . . . . . . . . . . . . . . . . . . . . . 6 new outdoor power tool in top operating condition . Install the Harness . . . . . . . . . . . . . . . . . . . . . . . 7 Remove the Cutting Attachment . . . . . . . . . . . . . 8 PRODUCT REFERENCES , ILLUSTRATIONS Remove the Old Cutting Attachment Shield . . . . 8 AND SPECIFICATIONS Install the New Cutting Shield Mount . . . . . . . . 9 All information , illustrations and specifications in this Install the Cutting Blade . . . . . . . . . . . . . . . . . . . 9 manual are based on the latest product information Remove the Cutting Blade / Install Attachment . 10 available at the time of printing . We reserve the right to Remove and Install the Cutting Shield . . . . . . . 11 make changes at any time without notice . Operating Instructions . . . . . . . . . . . . . . . . 11 - 12 Copyright © 2002 MTD SOUTHWEST INC Holding the Unit . . . . . . . . . . . . . . . . . . . . . . . . . 11 All Rights Reserved . Using the Cutting Blade . . . . . . . . . . . . . . . . . . . 12 SpeedSpool ® is a registered trademark of MTD SOUTHWEST INC SERVICE INFORMATION CONTENTS OF CARTON Service on this unit both within and after the warranty This unit should consist of the following : period should be performed only by an authorized and • J - Handle and Hardware approved service dealer . • 4 - Tooth Cutting Blade with Hardware NOTE : PROOF OF PURCHASE WILL BE REQUIRED • Cutting Attachment Shield Mount and Hardware FOR WARRANTY SERVICE . • Cutting Attachment Shield and Hardware • Shoulder Harness Make sure you carefully read and understand this manual before starting or operating this • Locking Rod equipment . • Operator's Manual THIS PRODUCT IS COVERED BY ONE OR MORE US PATENTS , Examine all parts to make certain that nothing is OTHER PATENTS PENDING . missing and no breakage has occurred during shipping . Any damaged or missing part must be replaced before using this product . TOOLS REQUIRED The following tools are needed for assembly : • 7 / 16 ” Wrench • 5 / 8 ” Closed End or Socket Wrench • Torx T - 20 Screwdriver or Flat Blade Screwdriver • Phillips Screwdriver • Flat Blade Screwdriver 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 follow the safety precautions to reduce the other 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 • • Wear heavy , long pants , boots , gloves and a long READ ALL INSTRUCTIONS sleeve shirt . Do not wear loose clothing , jewelry , BEFORE OPERATING short pants , sandals or go barefoot . Secure hair • Read the instructions carefully . Follow all above shoulder level . instructions when assembling and using this kit with • The cutting attachment shield must always be in your unit . place while operating the unit as a trimmer . Do not • Clear the area before each use . Remove all objects operate unit without both trimming lines extended , like rocks , broken glass , nails , wire or string which and the proper line installed . Do not extend the can be thrown or become entangled in the cutting trimming line beyond the length of the shield . attachment . • Read and follow the operator’s manual that details • Keep all bystanders , especially pets and children , the unit where this kit will be used . outside a 15 m . ( 50 ft . ) radius , at a minimum . • Adjust the J - handle to provide the best grip . Bystanders should also be encouraged to wear eye protection . If you are approached , stop the engine • Be sure the cutting attachment is not in contact and cutting attachment immediately . with anything before starting the unit . • Use only in daylight or good artificial light . WHILE OPERATING • Do not overreach . Always keep proper footing and • Wear safety glasses or goggles that are marked as balance . meeting ANSI Z87.1 - 1989 standards , and ear / hearing protection when operating this unit . • Always hold the unit with both hands when Wear a face or dust mask if the operation is dusty . operating . Keep a firm grip on both the front and Long sleeve shirts are recommended . rear handle or grips . 3
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RULES FOR SAFE OPERATION • For operation with the blade , do not cut anything • Keep hands , face , and feet at a distance from all thicker than 12.7 mm ( 1 / 2 in . ) or a violent kickback moving parts . Do not touch or try to stop the cutting could occur . attachment when it is rotating . • Do not attempt to touch or stop the blade when it is • Do not operate the engine faster than the speed rotating . needed to cut , trim or edge . Do not run the engine at high speed when not cutting . • A coasting blade can cause injury while it continues to spin after the engine is stopped or the throttle • Always stop the engine when cutting is delayed or trigger is released . Maintain proper control until the when walking from one cutting location to another . blade has completely stopped rotating . • If you strike or become entangled with a foreign • Do not run the unit at high speed when not cutting . object , stop the engine immediately and check for damage . Do not operate before repairing damage . Do • If you strike or become entangled with a foreign not operate the unit with loose or damaged parts . object , stop the engine immediately and check for damage . Have any damage repaired before • Stop and switch the engine to off for maintenance , attempting further operations . Do not operate unit repair , or for changing the cutting attachment or with a bent , damaged or dull blade . Discard blades other attachments . that are bent , warped , or damaged . • Use the right tool . Only use this tool for the purpose • Do not sharpen the cutting blade . Sharpening the intended . blade can cause the blade tip to break off while in • Keep unit clean of vegetation and other materials . use . This can result in severe personal injury . They may become lodged between the cutting Replace the blade . attachment and shield . • Do not use the cutting blade for edging or as an WHILE OPERATING WITH CUTTING BLADE edger , severe personal injury to yourself or others • Read and understand all safety warnings before can occur . Use the cutting blade only for the purpose operating this unit . as described in this manual . • Always use the shoulder harness when using the • Stop the engine IMMEDIATELY if you feel excessive brush blade accessory . vibration . Vibration is a sign of trouble . Inspect thoroughly for loose nuts , bolts or damage before • Keep the handle between the operator and cutting continuing . Repair or replace affected parts as attachment or blade at all times . necessary . • NEVER cut with the cutting blade located over 30 inches ( 76 cm ) or more above the ground level . AFTER USE • Blade thrust may occur when the spinning blade • Clean cutting blades with a household cleaner to contacts an object that it does not immediately cut . remove any gum buildup . Oil the blade with Blade thrust can be violent enough to cause the unit machine oil to prevent rust . and / or operator to be propelled in any direction , and • Lock up and store the cutting blade in an possibly lose control of the unit . Blade thrust can appropriate area to protect the blade from occur without warning if the blade snags , stalls or unauthorized use or damage . binds . This is more likely to occur in areas where it is difficult to see the material being cut . SAVE THESE INSTRUCTIONS 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 , 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 operating 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 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 . 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 . THROWN OBJECTS AND ROTATING CUTTER CAN CAUSE SEVERE INJURY WARNING : Do not operate without the string guard in place . Keep away from rotating cutting head . SHARP BLADE WARNING : Sharp blade on string guard . To prevent serious injury , do not touch blade . BRUSHCUTTERS : REPLACE DULL BLADES 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 50 feet ( 15 m ) away from the cutting area . The cutting attachment shield must be used when using the trimmer cutting attachment . 5
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ASSEMBLY INSTRUCTIONS INSTALL THE BRUSHCUTTER KIT INSTALL AND ADJUST THE J - HANDLE The Brush Cutter Kit consists of : Installation 1 . Remove the screws , nuts and clamp pieces that • J - handle and hardware were installed on the J - handle for shipping . • Harness 2 . Lay the unit on its side . On the bottom of the shaft • New cutting attachment mount housing is a pre - drilled hole . With a flat blade or • New cutting attachment shield Torx T - 20 screwdriver , insert the anti - rotation screw through the hole in the bottom clamp and • Cutting blade into the hole in the shaft housing . Tighten • Blade retainer and nut securely . See Figure 2 . • Locking Rod Shaft Housing The D - handle and old cutting attachment shield must be removed and replaced . All other kit items must be Pre - drilled Hole assembled before using the unit with the cutting blade . WARNING : To avoid serious personal injury or damage to the unit , ALL of the items in the brush cutter kit MUST be installed when operating the unit with the cutting blade . Bottom Clamp Anti - rotation screw REMOVE THE D - HANDLE FIGURE 2 Remove the D - handle before assembling the J - handle . 3 . Place the J - handle between the top and middle 1 . Remove the four ( 4 ) screws and four ( 4 ) hex nuts clamp pieces . See Figure 3 . with a Phillips screwdriver . 2 . Remove the D - handle and bottom handle clamp J - Handle on the boom shaft . See Figure 1 . ( 4 ) Screws ( 4 ) Screws Shaft Grip Shaft Housing Top Clamp Middle Clamp Bottom Clamp Nuts FIGURE 3 4 . While holding the three pieces together , install the D - Handle four ( 4 ) screws through the top clamp and into middle clamp . Bottom Clamp NOTE : The holes in the top and middle clamp will ( 4 ) Nuts line up only when assembled correctly . FIGURE 1 5 . Place the clamps and J - handle over the shaft housing and onto the bottom clamp . 6 . 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 . 6
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ASSEMBLY INSTRUCTIONS Adjustment INSTALL THE HARNESS 7 . Loosen the screws so that the J - handle easily WARNING : To avoid personal injury , always moves in the clamp assembly . Do not remove the use the shoulder harness when using the screws or nuts . cutting blade . 8 . Slide the J - handle in or out until the arrow / white 1 . Push the strap through the center of the buckle . line on the decal touches the clamp assembly . See Figure 4 . 2 . Pull the strap over the cross bar and down through the slot in the buckle . See Figure 6 . Decal FIGURE 4 9 . While holding the unit in the operating position , arrange the J - handle in the location that provides you with the best grip . See Figure 5 . FIGURE 6 3 . Put the harness on over your head and onto your shoulder . Snap it on to the support fitting . See Figure 7 . Support Fitting FIGURE 7 4 . Adjust length to fit the operator’s size . Pull tab to lengthen , pull strap to shorten . See Figure 8 . FIGURE 5 10 . Tighten the clamp screws evenly , until the J - handle is secure . FIGURE 8 7
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ASSEMBLY INSTRUCTIONS REMOVE THE CUTTING ATTACHMENT Cutting Attachment NOTE : To make removing or installing the cutting blade or cutting attachment easier , place the unit on the ground or on a work bench . WARNING : The gear housing gets hot with Locking Rod use and can result in injury to the operator . Slot When the unit is turned off it remains hot for a short time . Do not touch the gear housing until it has cooled . 1 . Align the shaft bushing hole with the locking rod Locking Rod slot and insert the locking rod into the shaft bushing hole . See Figure 9 . FIGURE 11 Output Shaft Bushing REMOVE THE OLD CUTTING Output Shaft ATTACHMENT SHIELD Shaft Bushing Hole WARNING : You MUST remove the cutting attachment shield ( on the existing unit ) and install the cutting attachment mount Locking Rod Slot ( provided with the blade kit ) when operating the unit as a brushcutter . Remove the cutting attachment shield from the gear housing by the removing the three ( 3 ) bolts and nuts with a 7 / 16 wrench . Keep the hardware to use while Locking Rod installing the new cutting attachment shield mount . FIGURE 9 See Figure 12 . 2 . Hold the locking rod in place by grasping it next to Nuts the boom of the unit . See Figure 10 . Cutting Attachment Shield Gear Housing Bolts FIGURE 12 FIGURE 10 3 . While holding the locking rod , remove the cutting attachment by turning it clockwise off of the output shaft . Store the cutting attachment for future use . See Figure 11 . 8
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ASSEMBLY INSTRUCTIONS 2 . Hold the locking rod in place by grasping it next to INSTALL THE NEW CUTTING the boom of the unit . See Figure 15 . ATTACHMENT SHIELD MOUNT Install the cutting attachment shield mount on the gear housing by installing the three ( 3 ) bolts and nuts removed from the old cutting attachment shield with a 7 / 16 wrench . Nuts must be positioned on top for correct assembly . See Figure 13 . Cutting Attachment Shield Mount FIGURE 15 3 . Place the cutting blade on the output shaft Nuts bushing . See Figure 16 . Blade Retainer Nut Cutting Blade FIGURE 13 Shield Mount INSTALL THE CUTTING BLADE Pilot Hole WARNING : To avoid serious personal injury , always wear gloves while handling or installing the blade . Output Shaft Bushing 1 . Align the shaft bushing hole with the locking rod slot and insert the locking rod into the bushing Locking Rod hole . See Figure 14 . Output Shaft Shaft Bushing Hole FIGURE 16 4 . Make sure that the cutting blade is centered on the pilot step and sitting flat against the output shaft bushing . See Figure 17 . Locking Rod Slot Pilot Step Output Shaft Bushing Locking Rod FIGURE 14 FIGURE 17 9
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ASSEMBLY INSTRUCTIONS WARNING : If the cutting blade is off - center , Remove the Cutting Blade the unit will vibrate , and the blade may fly 1 . Align the shaft bushing hole with the locking rod off , which can cause serious personal injury . slot and insert the locking rod into the bushing hole . See Figure 14 . 5 . Put the blade retainer and nut on the output shaft . 2 . Hold the locking rod in place by grasping it next to Make sure that the blade is installed correctly . the boom of the unit . See Figure 15 . 6 . Tighten nut counterclockwise against the blade 3 . While holding the locking rod , loosen the nut on while holding the locking rod . the blade by turning it clockwise with a 5 / 8 - inch If using a torque wrench and a 5 / 8 - inch socket , tighten to : closed - end or socket wrench . See Figure 19 . 325 - 335 in • lb 27 - 28 ft . • lb Clockwise 37 - 38 N • m Without a torque wrench , use a 5 / 8 - inch closed - end or socket wrench , turning the nut until the blade retainer is snug against the shaft bushing . Make sure that the blade is installed correctly , then rotate the nut an additional 1 / 4 to 1 / 2 turn , counterclockwise . See Figure 18 . FIGURE 19 4 . Remove the nut , blade retainer and blade . Store the nut and blade together for future use in a secure place . Store out of reach of children . Install the Cutting Attachment 1 / 4 - 1 / 2 turn 5 . Align the shaft bushing hole with the locking rod Counterclockwise slot and insert the locking rod into the shaft bushing hole . See Figure 14 . Place the blade retainer on the output shaft with the flat surface FIGURE 18 against the output shaft bushing as shown in Figure 20 . Screw the cutting attachment 7 . Remove the locking rod from the locking rod slot . counterclockwise onto the output shaft . Tighten securely . WARNING : To avoid serious personal injury or damage to the unit , do not start or Cutting Attachment operate this unit with the locking rod in the locking rod slot . WARNING : Do not sharpen the cutting blade . Blade Retainer Sharpening the blade can cause the blade tip to break off while in use . This can result in severe Output Shaft Bushing personal injury . Replace the blade . Locking Rod REMOVE THE CUTTING BLADE AND INSTALL THE CUTTING ATTACHMENT FIGURE 20 WARNING : To avoid serious personal injury , always wear gloves while handling or NOTE : The blade retainer must be installed on the installing the blade . output shaft in the position shown for the cutting attachment to work correctly . 10
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ASSEMBLY INSTRUCTIONS Install the cutting attachment shield when using the 6 . Remove the locking rod . unit as a grass trimmer . 7 . Install the cutting attachment shield . See Remove and Install Cutting Attachment Shield . WARNING : To avoid serious personal injury , the cutting attachment shield MUST be in WARNING : To avoid serious personal injury , place at all times during operation as a grass the cutting attachment shield MUST be in trimmer . place at all times during operation as a grass trimmer . Install the cutting attachment shield on the shield mount by inserting the three ( 3 ) screws into the shield mount . Tighten securely with a flat blade screwdriver . REMOVE AND INSTALL THE CUTTING See Figure 21 . ATTACHMENT SHIELD Cutting Remove the cutting attachment shield when using the ( 3 ) Screws Attachment unit as a brush cutter . Shield WARNING : The cutting attachment shield Gear Housing should NOT be installed when operating the unit with a blade . Remove the cutting attachment shield before removing or installing the blade . Remove the cutting attachment shield from the shield Shield Mount mount by removing the three ( 3 ) screws with a flat blade screwdriver . Store parts for future use . See Figure 21 . FIGURE 21 OPERATING INSTRUCTIONS HOLDING THE UNIT WARNING : Always wear eye , hearing , foot and body protection to reduce the risk of injury when operating this unit . Before operating the unit , stand in the operating position . See Figure 23 . 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 FIGURE 23 contacts the vegetation without the need to bend over 11
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OPERATING INSTRUCTIONS USING THE CUTTING BLADE WARNING : Always wear eye , hearing , foot , body protection and the harness to reduce the risk of injury when operating this unit . WARNING : Do not use the cutting blade for edging or as an edger ; severe personal injury to yourself or others can occur . FIGURE 24 Before operating the unit with the cutting blade , stand WARNING : The blade continues to spin in the operating position See Figure 23 . Refer to the after the engine is turned off . The coasting previous section , Holding the Unit . blade can seriously cut you if you accidentally touch it . Cutting Blade Operating Tips : To establish a rhythmic cutting procedure : • Swing the unit in the same direction as the blade spins , which increases the cutting action . • Plant feet firmly , comfortably apart . • Move forward to the next area to be cut after the • Bring the engine to full throttle before entering the return swing and plant feet again . material to be cut . The blade has maximum cutting power at full throttle and is less likely to bind , stall , • The cutting blade is designed with a second cutting or cause blade thrust , which can result in serious edge , which can be used by removing the blade , personal injury to the operator or others . turning it upside down , and reinstalling it . • Cut while swinging the upper part of your body from right to left . See Figure 24 . WARNING : Do not sharpen the cutting blade . Sharpening the blade can cause the • Always release the throttle trigger and allow the blade tip to break off while in use . This can engine to return to idle speed when not cutting . result in severe personal injury to yourself or • When done always unsnap unit from harness before others . Replace the blade . taking off the harness . To reduce the chance of material wrapping around the blade , follow these steps : WARNING : Blade thrust may occur when the spinning blade contacts an object that it • Cut at full throttle . does not immediately cut . Blade thrust can • Swing the unit into material to be cut from your be violent enough to cause the unit and / or right to your left . See Figure 24 . operator to be propelled in any direction , and possibly lose control of the unit . Blade thrust • Avoid the material just cut as you make the return can occur without warning if the blade swing . snags , stalls or binds . This is more likely to occur in areas where it is difficult to see the WARNING : Do not clear away cut material material being cut . with the engine running or blade turning . To avoid serious personal injury , turn off engine . Allow the blade to stop before removing materials wrapped around the blade shaft . OPERATOR’S MANUAL PART NO . 10570 REV . A PRINTED IN THE USA 7 / 02
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