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Â® OPERATOR'S MANUAL Leaf Blowers Model Series 650 IMPORTANT : READ SAFETY RULES AND INSTRUCTIONS CAREFULLY Warning : This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest - covered , brush - covered or grass - covered land unless the engine's exhaust system is equipped with a spark arrester meeting applicable local or state laws ( if any ) . If a spark arrester is used , it should be maintained in effective working order by the operator . In the State of California the above is required by law ( Section 4442 of the California Public Resources Code ) . Other states may have similar laws . Federal laws apply on federal lands . A spark arrester for the muffler is available through your nearest engine authorized service dealer or contact the service department , P . O . Box 368022 Cleveland , Ohio 44136 - 9722 . MTD PRODUCTS INC . P . O . BOX 368022 CLEVELAND , OHIO 44136 - 9722 PRINTED IN U . S . A . FORM NO . 770 - 10191B ( 2 / 01 )
TABLEOFCONTENTS Content Page Important Safe Operation Practices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Assembling Your Leaf Blower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Operating Your Leaf Blower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Maintaining Your Leaf Blower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 FINDINGMODELNUMBER This Operator's Manual is an important part of your new leaf blower . It will help you assemble , prepare and maintain the unit for best performance . Please read and understand what it says . Before you start assembling your new equipment , please locate the model plate on the equipment and copy the information from it in the space provided below . The information on the model plate is very important if you need help from our Customer Support Department or an authorized dealer . You can locate the model number by looking down at the rear of the leaf blower . A sample model plate is explained below . For future reference , please copy the model number and the serial number of the equipment in the space below . r ( Model Number ) ( Serial Number ) Copy the model number here : Copy the serial number here : MTD PRODUCTS INC CLEVELAND , OHIO 44136 CALLINGCUSTOMERSUPPORT If you have difficulty assembling this product or have any questions regarding the controls , operation or maintenance of this unit , please call the Customer Support Department . Call 1 - ( 330 ) 220 - 4MTD ( 4683 ) or 1 - ( 800 ) - 800 - 7310 to reach a Customer Support representative . Please have your unit's model number and serial number ready when you call . See previous section to locate this information . You will be asked to enter the serial number in order to process your call .
SECTION1 : IMPORTANTSAFEOPERATIONPRACTICES WARNING : This symbol points out important safety instructions which , if not followed , could endanger the personal safety and / or property of yourself and others . Read and follow all instructions in this manual before attempting to operate this machine . Failure to comply with these instructions may result in personal injury . When you see this symbol - heed its warning . WARNING : Engine Exhaust , some of its constituents , and certain vehicle components contain or emit chemicals known to State of California to cause cancer and birth defects or other reproductive harm . DANGER : This machine was built to be operated according to the rules for safe operation in this manual . As with any type of power equipment , carelessness or error on the part of the operator can result in serious injury . This machine is capable of amputating hands and feet and throwing objects . Failure to observe the following safety instructions could result in serious injury or death . 10 . Keep all guards and safety devices in place and GeneralOperation operating properly . 1 . Read this operator's manual carefully in its entirety 11 . Exercise caution when operating blower . Do not allow the before attempting to assemble this machine . Read , discharge to point in the direction of bystanders or pets . understand , and follow all instructions on the machine 12 . If your machine should start making an unusual noise or and in the manual ( s ) before operation . Be completely vibration , immediately stop the engine , disconnect the familiar with the controls and the proper use of the spark plug wire and move the wire away from the spark machine before operating it . Keep this manual in a safe plug . Allow the machine to stop and take the following place for future and regular reference and for ordering steps : replacement parts . a . Inspectfordamage . 2 . Your leaf blower is a powerful tool , not a plaything . b . Repair or replace any damaged parts . Therefore , exercise extreme caution at all times . Your c . Check for any loose parts and tighten to assure unit has been designed to perform one job ; to blow continued safe operation . leaves . Do not use it for any other purpose . 13 . Muffler and engine become hot and can cause a burn . Do 3 . Never allow children under 14 to operate the unit . not touch . Children 14 years and older should only operate under 14 . Do not allow leaves or other debris to build up on close parental supervision . Only responsible individuals engine's muffler . The debris could ignite and cause a fire . who are familiar with these rules of safe operation should 15 . Do not operate engine if air cleaner or cover over be allowed to use your unit . carburetor air intake is removed , except for adjustment . 4 . Keep the area of operation clear of all persons , Removal of such parts could create a fire hazard . particularly small children and pets . Stop the engine 16 . Only use accessories approved for this machine by the when they are in the vicinity of the unit . manufacturer . Read , understand , and follow all 5 . Always wear safety glasses or safety goggles during instructions provided with the approved accessory . operation and while performing an adjustment or repair , 17 . Only operate unit in good daylight . Do not operate unit at to protect eyes from debris or foreign objects that may be night or in dark areas where your vision may be impaired . thrown from machine . 18 . If situations occur which are not covered by this manual , 6 . Wear close fitting slacks and shirt . Shirt and slacks that use care and good judgment . Contact your dealer for cover the arms and legs are recommended . Do not wear assistance . loose fitting clothes or jewelry and secure hair so it is above shoulder length . They can be caught in moving Children parts . 7 . Do not operate the unit while under the influence of Tragic accidents can occur if the operator is not alert to the alcohol or drugs . presence of small children . Children are often attracted to the 8 . Never place your hands or any part of your body or blowing activity . Never assume that children will remain clothing near rotating parts . Keep clear of the discharge where you last saw them . opening at all times . Never insert your hands , fingers , 1 . Keep children out of the work area and under the feet , or any other part of your body or clothing into the watchful eye of a responsible adult other than the discharge or air intake openings as the rotating impeller operator . inside the housing can cause serious injury . 2 . Be alert and turn the unit off if a child enters the area . 9 . Never operate unit without directional discharge chute 3 . Never allow children under the age of 14 to operate the and plastic impeller guard properly affixed to unit . These leaf blower . devices shield the operator from accidental contact with the rotating impeller .
which is an odorless , tasteless and deadly poisonous Service gas . 1 . Use extreme care in handling gasoline and other fuels . 9 . To reduce fire hazard , keep engine and muffler free of They are extremely flammable and the vapors are leaves , grass , and other debris build - up . explosive . 10 . Clean up fuel and oil spillage . Allow unit to cool at least 5 2 . Store fuel and oil in approved containers , away from heat minutes before storing . and open flame , and out of the reach of children . 11 . Before cleaning , repairing , or inspecting , make certain 3 . Check and add fuel before starting the engine . Never the impeller and all moving parts have stopped . remove gas cap or add fuel while the engine is running . Disconnect the spark plug wire and keep wire away from Allow engine to cool at least two minutes before refueling . spark plug to prevent accidental starting . Do not use 4 . Replace gasoline cap securely and wipe off any spilled flammable solutions to clean air filter . gasoline before starting the engine as it may cause a fire 12 . Keep all nuts , bolts , and screws tight to be sure the or explosion . equipment is in safe working condition . 5 . Extinguish all cigarettes , cigars , pipes and other sources 13 . Never tamper with safety devices . Check their proper of ignition . operation regularly . 6 . Never refuel unit indoors because flammable vapors will 14 . Do not alter or tamper with the engine's governor setting . accumulate in the area . The governor controls the maximum safe operating 7 . Never store the machine or fuel container inside where speed of the engine . Overspeeding the engine is there is an open flame or spark such as a gas hot water dangerous and will cause damage to the engine and to heater , clothes dryer or furnace . other moving parts of the machine . 8 . Never run your machine in an enclosed area as the exhaust from the engine contains carbon monoxide , understand and follow the warnings and instructions in this manual and on the machine . _ ARNING - YOUR RESPONSIBILITY : Restrict the use of this power machine to persons who read , NOTE : Not all safety labels shown may apply to your leaf blower . WARNING
SECTION2 : ASSEMBLINGYOURLEAFBLOWER IMPORTANT : This unit is shipped without gasoline or oil in the engine . Be certain to service engine with gasoline and oil as instructed in the separate engine manual before operating your unit . NOTE : Reference to right or left hand side of the leaf blower is observed from the operating position . RemovingUnitFromCarton Curved Head Lower Handle â¢ Remove staples , break glue on top flaps , or cut tape at carton end and peel along top flap to open carton . â¢ Remove loose parts if included with unit ( i . e . , operator's manual , etc . ) â¢ Cut along corners , lay carton down flat , and remove packing material . â¢ Roll or slide unit out of carton and check carton Figure 1 thoroughly for loose parts . AttachingThe DirectionaDl ischarge LoosePartsIn Carton ( HardwareB ) â¢ Upper Handle â¢ Slip end of directional discharge over chute â¢ Directional Discharge opening and secure with the hex sems bolts . â¢ Hardware Pack See Figure 2 . â¢ Operator's Manual HardwarePack This leaf blower is shipped with the following loose parts in the hardware pack : Hardware A â¢ Curved Head Bolts ( 710 - 1174 ) â¢ Saddle Washers ( 736 - 0451 ) â¢ Handle Knobs ( 720 - 0241 ) Hardware B â¢ Hex Sems Bolts ( 710 - 0259 ) lal Discharge DisconnectinSgparkPlugWire Figure 2 blower , disconnect the spark plug wire , _ WARNING : Before setting up your leaf from the spark plug and ground against the engine , AttachingTheUpperHandle ( HardwAa ) re â¢ Place the upper over the lower handle , aligning the holes in the upper handle with the middle holes in the lower handle . See Figure 2 . â¢ Secure with the curved head bolts , saddle washers , and handle knobs .
SECTION3 : OPERATINGYOURLEAFBLOWER â¢ Disconnect spark plug wire from spark plug and all instructions and warnings on the ground against the engine . WARNING : Read , understand , and follow machine and in this manual before operating , StartingEngine â¢ Attach spark plug wire to spark plug . Make certain GasAnd OilFill - Up the metal cap on the end of the spark plug wire is Service the engine with gasoline and oil as instructed in fastened securely over the metal tip on the spark the separate engine manual packed with your string plug . See engine operator's manual . trimmer mower . Read instructions carefully . â¢ Move the choke lever on engine to CHOKE position . ( A warm engine may not require choking . ) WARNING : Use extreme care when han - â¢ Move the throttle control on engine to FAST dling gasoline . Gasoline is extremely position . flammable and the vapors are explosive . â¢ Grasp starter handle and pull rope out slowly until Never fuel machine indoors or while the engine reaches start of compression cycle ( rope engine is hot or running . Extinguish ciga - will pull slightly harder at this point ) . Let the rope rettes , cigars , pipes , and other sources of rewind slowly . ignition . â¢ Pull rope with a rapid , continuous , full arm stroke . Keeping a firm grip on the starter handle , let the StoppingEngine rope return to the starter slowly . Repeat until engine starts . â¢ To stop engine , move throttle control lever to OFF position . â¢ When engine starts , move choke control gradually to RUN position . SECTION4 : ADJUSTINGYOURLEAFBLOWER HeightAdjustment adjustments without first stopping engine , _ WARNING : Do not at any time make any The height adjustment crank is located on the right and disconnecting spark plug wire . hand side of the leaf blower . â¢ Turn the crank clockwise to raise the discharge Tw0 - WayDischarge chute . The leaf blower can be adjusted to discharge toward â¢ Turn the crank counterclockwise to lower . the front of the unit or to the side . â¢ Simply push down on the handle and swing door toward the front to discharge out the side or swing door to the side to discharge out the front . / Figure 4 Discharge EngineAdjustment Refer to the separate engine manual for engine adjustment instructions . Figure 3
SECTION5 : MAINTAININGYOURLEAFBLOWER WARNING : Before performing any mainte - â¢ The spark plug should be cleaned and the gap nance or repairs , stop the engine , wait reset once a season . Spark plug replacement is until the machine comes to a complete recommended at the start of each mowing season . stop , disconnect the spark plug wire and Clean the engine regularly with a cloth or brush . Keep ground against the engine to prevent unin - the cooling system ( blower housing area ) clean to tended starting , permit proper air circulation which is essential to engine performance and life . Be certain to remove all grass , Lubrication dirt , and combustible debris from muffler area . Wheels : Rear wheels are provided with light oil bearings . Lubricate by placing a few drops of SAE 30 oil StoringYourLeafBlower on each bearing once a season . â¢ Clean the equipment thoroughly . Engine : Follow the separate engine manual packed â¢ Wipe equipment with a oiled rag to prevent rust . with you unit for lubrication instructions . â¢ Refer to engine manual for correct engine storage instructions . Engine â¢ Store unit in a clean , dry area . Do not store next to Refer to the separate engine manual for all engine corrosive materials such as fertilizer . maintenance instructions . â¢ For more compact storage , store unit in the Maintain engine oil as instructed in the separate shipping position with the upper handle folded engine manual packed with your unit . toward engine . See ASSEMBLY section for details . Service air cleaner every 25 hours under normal WARNING : Never store the machine or conditions . Poor engine performance and flooding fuel container indoors where there is an usually indicate that the air cleaner should be serviced . To service the air cleaner , refer to the open flame , spark , or pilot light such as on separate engine manual packed with your unit . a water heater , furnace , clothes dryer , or other gas appliance , SECTION6 : TROUBLESHOOTING Problem Cause Remedy Engine fails to start 1 . Spark plug wire disconnected . 1 . Connect wire to spark plug . 2 . Fuel tank empty or stale fuel . 2 . Fill tank with clean , fresh gasoline . 3 . Throttle control lever not in correct 3 . Move throttle lever to start position . starting position . ( If Equipped ) 4 . Blocked fuel line . 4 . Clean fuel line . 5 . Faulty spark plug . 5 . Clean , adjust gap , or replace . 6 . Wait a few minutes to restart , but do not 6 . Engine flooded prime . Engine runs erratic 1 . Spark plug wire loose . 1 . Connect and tighten spark plug wire . 2 . Blocked fuel line or stale fuel . 2 . Clean fuel line ; fill tank with clean , fresh gasoline 3 . Clear vent . 3 . Vent in gas cap plugged . 4 . Drain fuel tank . Refill with fresh fuel . 4 . Water or dirt in fuel system . 5 . Dirty air cleaner . 5 . Replace air cleaner . 6 . See authorized service dealer . 6 . Carburetor out of adjustment . Engine overheats 1 . Engine oil level low . 1 . Fill crankcase with proper oil . 2 . Dirty air cleaner . 2 . Replace air cleaner . 3 . Air flow restricted . 3 . Remove blower housing and clean . 1 . Idles poorly Spark plug fouled , faulty or gap too 1 . Reset gap to . 030 " or replace spark wide . plug . . 2 . See authorized service dealer . Carburetor improperly adjusted . 3 . Dirty air cleaner . 3 . Replace air cleaner . NOTE : For repairs beyond the minor adjustments listed above , contact your nearest authorized service dealer . 7
ModelSeries650 , L 7 _ 2 " , 11 23 / \ / 24 15 / 13 Ref . Ref . No ' No . Hex Shoulder Nut . 50 " Engine Housing Brace Assembly 14 . 711,0758 1 . , 14539 2 . 710 - 0607 Nozzle Plate Assembly Hex Self Tapping Screw 5 / 16 x : 5 15 . . 14563A Hex Bolt 5 / 16,18 x : 75 16 . 710 - 1254 3 . 710 - 3008 Hex Bolt 3 / 8 - 24 x 1.25 Lock Washer 5 / 16 " 17 . 736,0217 Lock Washer 3 / 8 4 . 736 - 0119 5 . 14541 Right Angle Bracket 18 . 681 - 0075 Ai r Vane Plate Assembly Blower Housing Assembly 6 . 710 - 0627 Hex Locking Bolt 5 / 16 - 24 x . 75 19 . 14496A Hex Sems Bolt 5 / 16,18 x . 62 7 . 710 - 0260 Carriage Bolt 5 / 16 - 18 x L62 , 22 . 710 - 0259 Bell Washer . 34 ID x : 87 OD 8 . . 14479 Directional Discharge Assembly 23 . 736 - 0242 11 . 736,0119 Lock Washer5 / 16 24 . 720,0170 Three Arm Screw5 / 16 - 18x . 75 12 . 712,0267 Hex Nut 5 / 16 - 18 25 . 736,0247 Flat Washer 13 . 731 - 0608 Blower Guard I I I
ModelSeries650 39 / I 37 31 12 11 17 21 32 Ref . Ref . PaN No . Part No . Part Description Part Description No . No . 1 . 749 - 0784 23 . 736 - 0300 Flat Washer . 38 ID x . 57 OD Upper Handle 2 . 726 - 0100 Push Nut 3 / 8 24 . 750 - 0528 Spacer . 382 ID x . 50 OD x . 180Lg 3 . 720 - 0171 Crank Knob 25 . 736 - 0169 Lock Washer 3 / 8 ID 4 . 736 - 0117 Flat Washer . 385 ID x . 62 OD 26 . 712 - 0354 Hex Nut 3 / 8 - 8 6 . 710 - 0805 Hex Bolt 5 / 16 - 18 x 1.50 27 . 710 - 3008 Hex Bolt 5 / 16 - 18 x . 75 7 . 16453 28 . 711 - 0797 Ferrule Engine Mounting Frame Assembly 8 . 736 - 0119 Lock Washer 5 / 16 ID 29 . 720 - 0241 Hand Knob 9 . 712 - 0267 Hex Nut 5 / 16 - 18 30 . 710 - 1174 Carriage Bolt 5 / 16 - 18 x 2.0 10 . 736 - 0187 Flat Washer . 63 ID x 1.25 31 . 749 - 0785 Lower Handle 11 . 714 - 0115 Cotter Pin 32 . 734 - 1035 Wheel Assembly 12 x 3 12 . 712 - 0206 Hex Nut 1 / 2 - 13 33 . 738 - 0185 Rear Axle 13 . 736 - 0921 Lock Washer 1 / 2 34 . 710 - 0599 Self Tap Screw 1 / 4 - 20 x . 5 14 . 734 - 1036 Swivel Caster Wheel 5 " Dia x 1.25 35 . 710 - 1502 Screw 8 - 18 x . 375 15 . 16273 36 . 712 - 3004A Hex Lock Nut 5 / 16 - 18 Caster Arm Assembly 16 . 710 - 0726 Hex Washer Screw 5 / 16x . 75 37 . 736 - 0329 Lock Washer 17 . 14529 Caster Arm Bracket 38 . 751 - 0447 Deflector 18 . 747 - 0542 39 . 751 - 0632 Muffler Guard Height Adjustment Crank 19 . 736 - 0451 Saddle Washer . 32 ID x . 93 OD 40 . 751 - 0646 Muffler Guard Bracket 20 . 736 - 0159 Flat Washer . 34 ID x . 87 OD 41 . 736 - 0162 Flat Washer 21 . 710 - 0170 Hex Lock Bolt 5 / 16 - 24 x . 64 10
MANUFACTURER'S LIMITED WARRANTY FOR : Â® c . Routine maintenance items such as lubricants , filters , The limited warranty set forth below is given by MTD blade sharpening and tune - ups , or adjustments such PRODUCTS INC ( " MTD " ) with respect to new merchandise as brake adjustments , clutch adjustments or deck purchased and used in the United States , its possessions adjustments ; and normal deterioration of the exterior and territories . finish due to use or exposure . d . MTD does not extend any warranty for products sold MTD warrants this product against defects in material and or exported outside of the United States of America , workmanship for a period of two ( 2 ) years commencing on its possessions and territories , except those sold the date of original purchase and will , at its option , repair or through MTD's authorized channels of export distribu - tion . replace , free of charge , any part found to be defective in material or workmanship . This limited warranty shall only No implied warranty , including any implied warranty of apply if this product has been operated and maintained in merchantability or fitness for a particular purpose , accordance with the Operator's Manual furnished with the product , and has not been subject to misuse , abuse , com - applies after the applicable period of express written warranty above as to the parts as identified . No other mercial use , neglect , accident , improper maintenance , alteration , vandalism , theft , fire , water or damage because express warranty or guaranty , whether written or oral , of other peril or natural disaster . Damage resulting from the except as mentioned above , given by any person or installation or use of any accessory or attachment not entity , including a dealer or retailer , with respect to any approved by MTD Products Inc . for use with the product ( s ) product shall bind MTD . During the period of the War - covered by this manual will void your warranty as to any ranty , the exclusive remedy is repair or replacement of resulting damages . the product as set forth above . ( Some states do not allow limitations on how long an implied warranty lasts , so Normal wear parts or components thereof are subject to the above limitation may not apply to you . ) separate terms as follows : All normal wear part or compo - nent failures will be covered on the product for a period of The provisions as set forth in this Warranty provide the 90 days regardless of cause . After 90 days , but within the sole and exclusive remedy arising from the sales . MTD two year period , normal wear part failures will be covered shall not be liable for incidental or consequential loss ONLY IF caused by defects in material or workmanship of or damages including , without limitation , expenses OTHER component parts . Normal wear parts and compo - incurred for substitute or replacement lawn care ser - nents include , but are not limited to , belts , blades , blade vices , for transportation or for related expenses , or for adapters , grass bags , rider deck wheels , seats , snow rental expenses to temporarily replace a warranted thrower skid shoes , shave plates and tires . Batteries are product . ( Some states do not allow the exclusion or limita - covered by a 90 - day limited replacement warranty . tion of incidental or consequential damages , so the above exclusion or limitation may not apply to you . ) HOW TO OBTAIN SERVICE : Warranty service is available , WITH PROOF OF PURCHASE THROUGH YOUR LOCAL In no event shall recovery of any kind be greater than the AUTHORIZED SERVICE DEALER . To locate the dealer in amount of the purchase price of the product sold . Alteration your area , please check for a listing in the Yellow Pages or of the safety features of the product shall void this War - contact the Customer Service Department of MTD PROD - ranty . You assume the risk and liability for loss , damage , or UCTS INC by calling 1 - 800 - 800 - 7310 or writing to P . O . Box injury to you and your property and / or to others and their 368022 , Cleveland , Ohio 44136 - 9722 . property arising out of the use or misuse or inability to use This limited warranty does not provide coverage in the the product . following cases : a . The engine or component parts thereof . These items This limited warranty shall not extend to anyone other than carry a separate manufacturer's warranty . Please refer the original purchaser , original lessee or the person for to the applicable manufacturer's warranty on these whom it was purchased as a gift . items . b . Log splitter pumps , valves and cylinders have a sepa - How State Law Relates to this Warranty : This limited rate one year warranty . warranty gives you specific legal rights , and you may also have other rights which vary from state to state .