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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 attester 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 361131 Cleveland , Ohio 44136 - 0019 . MTD LLC , P . O . BOX 361131 CLEVELAND , OHIO 44136 - 0019 PRINTED IN U . S . A . FORM NO . 770 - 10191c ( 5 / 02 )
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 . Copy the model number here : f Copy the serial number here : â¢ ml _ Jllib _ l , mS " MTD L L C M m _ . _ | m _ " P . O . BOX 43611314136 m , _ = = = = _ - m _ CLEVELAND , OH _ Jmm Â® 330 - 220 - 4683 â¢ www . mtdproducts . com 800 - 800 - 7310 , ENGINEINFORMATION The engine manufacturer is responsible for all engine - related issues with regards to performance , power - rating , specifications , warranty and service . Please refer to the engine manufacturer's Owner's / Operator's Manual packed separately with your unit for more information . CALLINGCUSTOMERSUPPORT Please doNOTreturntheunit to the retailer fromwhichit waspurchased , withoutfirstcontactingCustomerSupport Should 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 starf 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 . Inspect fordamage . 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 . Shirf 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 parf 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 parf 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 . , _ WARNING - 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 / Upper Handle before operating your unit . NOTE : Reference to right or left hand side of the leaf blower is observed from the opera ting position . RemovingUnitFromCarton Curved Head Lower Handle â¢ Remove staples , break glue on top flaps , or cut Bolt _ 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 . AttachingTheDirectionaDl 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 : HardwareA â¢ Curved Head Bolts ( 710 - 1174 ) â¢ Saddle Washers ( 736 - 0451 ) â¢ Handle Knobs ( 720 - 0241 ) Hardware B / â¢ Hex Sems Bolts ( 710 - 0259 ) Directio / nalDischarge DisconnectinSgparkPlugWire WARNING : Before setting up your leaf Figure 2 blower , disconnect the spark plug wire from the spark plug and ground against the engine . AttachingTheUpperHandle ( HardwareA ) 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 belts , 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 GasAndOilFill - 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 Two - 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 Directional Discharge EngineAdjustment Refer to the separate engine manual for engine adjustment instructions . Figure 3
SECTION5 : MAINTAININGYOURLEAFBLOWER 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 WARNING : Before performing any mainte - 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 â¢ 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 . â¢ 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 . Idles poorly 1 . Spark plug fouled , faulty or gap too 1 . Reset gap to . 030 " or replace spark wide . plug . 2 . 2 . See authorized service dealer . Carburetor improperly adjusted . 3 . 3 . Dirty air cleaner . Replace air cleaner . NOTE : For repairs beyond the minor adjustments listed above , contact your nearest authorized service dealer . 7
ModelSeries650 _ 3 J 2 , , _ . / - - 4 - - - 4 ENGINE ' _ , _ _ . 7 P 23 19 1S 13 Ref . Ref . Part NO , I Part Description No . No . Hex Shoulder Nut . 50 " 1 . 14539 Engine Housing Brace Assembly 14 . 7t 1 - 0758 2 . 710 - 0607 Hex Self Tapping Screw 5 / 16 x . 5 15 . 14563A Nozzle Plate Assembly Hex Bolt 5 / 16 - 18 x . 75 16 . 710 - 1254 Hex Bolt 3 / 8 - 24 x 1.25 3 . 710 - 3008 4 . 736 - 0119 Lock Washer 5 / 16 ' ! 17 . 736 - 0217 Lock Washer 3 / 8 5 . 14541 Right Angle Bracket 18 . 681 - 0075 Air Vane Plate Assembly 61 710 - 0627 Hex Locking Bolt 5 / 16 - 24 x . 75 19 . 14496A Blower Housing Assembly Carriage Bolt 5 / 16 - ! 8 x . 62 22 . 7t0 - 0259 Hex Sems Bo ! t 5 / 16 - i8 x . 62 7 . 710,0260 8 , 14479 Bell Washer . 34 ID x . 87 OD Directional Discharge Assembly 23 , 736 - 0242 11 . 736,0119 Lock Washer 5 / i6 24 . 720 - 0170 Three Arm Screw 5 / 16 - 18 x _ 75 12 . 712 . , 0267 Hex Nut 5 / 16 - 18 25 , 736 - 0247 Flat Washer Blower Guard 13 , 731 - 0608
ModelSeries650 39 37 38 3O 33 ? Ref . Ref . Part No . Part No . Part Description Part Description No . No . 1 . 749 - 0784 Flat Washer . 38 ID x . 57 OD Upper Handle 23 . 736 - 0300 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 Ferrule Engine Mounting Frame Assembly 28 . 711 - 0797 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 Hex Lock Nut 5 / 16 - 18 Caster Arm Assembly 36 . 712 - 3004A 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 Muffler Guard Height Adjustment Crank 39 . 751 - 0632 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 : The limited warranty set forth below is given by MTD LLC with d . MTD LLC does not extend any warranty for products respect to new merchandise purchased and used in the sold or exported outside of the United States , its posses - United States , its possessions and territories . sions and territories , except those sold through MTD LLC's authorized channels of export distribution . MTD LLC warrants this product against defects for a period of e . Parts that are net genuine MTD parts are net covered by two ( 2 ) years commencing on the date of original purchase this warranty . and will , at its option , repair or replace , free of charge , any f . Service completed by someone other than an authorized part found to be defective in materials or workmanship . This service dealer is not covered by this warranty . limited warranty shall only apply if this product has been oper - g . Transportation charges and service calls are not ated and maintained in accordance with the Operator's Man - covered . ual furnished with the producL and has not been subject to misuse , abuse , commercial use , neglect , accident , improper No implied warranty , including any implied warranty of maintenance , alteration , vandalism , theft , fire , water , or dam - merchantability of fitness for a particular purpose , age because of other peril or natural disaster . Damage result - applies after the applicable period of express written ing from the installation or use of any accessory or warranty above as to the parts as identified . No other attachment not approved by MTD LLC for use with the prod - express warranty , whether written or oral , except as men - uct ( s ) covered by this manual will void your warranty as to any tioned above , given by any person or entity , including a resulting damage . dealer or retailer , with respect to any product , shall bind MTD LLC . During the period ofthe warranty , the exclu - Normal wear parts or components thereof are subject to sep - sive remedy is repair or replacement of the product as arate terms as follows : All normal wear parts or component set forth above . failures will be covered on the product for a period of 90 days regardless of cause . After 90 days , but within the two year The provisions as set forth in this warranty provide the period , normal wear part failures will be covered ONLY IF sole and exclusive remedy arising from the sale . MTD caused by defects in materials or workmanship of OTHER LLC shall not be liable for incidental or consequential component parts . Normal wear parts and components loss or damage including , without limitation , expenses include , but are not limited to : batteries , belts , blades , blade incurred for substitute or replacement lawn care services adapters , grass bags , rider deck wheels , seats , snow thrower or for rental expenses to temporarily replace a warranted skid shoes , shave plates , auger spiral rubber , tires . product . HOW TO OBTAIN SERVICE : Warranty service is available , Some states do not allow the exclusion or limitation of inci - WITH PROOF OF PURCHASE , through your local autho - dental or consequential damages , or limitations on how long rized service dealer . To locate the dealer in your area , check an implied warranty lasts , so the above exclusions or limita - your Yellow Pages , or contact MTD LLC at P . O . Box 361131 , tions may not apply to you . Cleveland , Ohio 44136 - 0019 , 1 - 800 - 800 - 7310 , 1 - 330 - 220 - 4683 or log on to our Web site at www . mtdpreducts . cem . In no event shall recovery of any kind be greater than the amount of the purchase price of the product sold . Alteration This limited warranty does not provide coverage in the follow - of safety features of the product shall void this warranty . ing cases : You assume the risk and liability for less , damage , or injury to a . The engine or component parts thereof . These items you and your property aed / or to others and their property carry a separate manufacturer's warranty . Refer to the arising out of the misuse or inability to use the product . applicable manufacturer's warranty for terms and condi - tions . This limited warranty shall net extend to anyone other than b . Log splitter pumps , valves , and cylinders have a sepa - the original purchaser or to the person for whom it was pur - rate one year warranty . chased as a gift . c . Routine maintenance items such as lubricants , filters , HOW STATE LAW RELATES TO THIS WARRANTY : This blade sharpening , tune - ups , brake adjustments , clutch limited warranty gives you specific legal rights , and you adjustments , deck adjustments , and normal deterioration may also have other rights which vary from state to state . of the exterior finish due to use or exposure . MTD LLC , P . O . BOX 361131 CLEVELAND , OHIO 44136 - 0019 1 - 800 - 800 - 7310