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Operator's
nual
CRAFTSMAN °
21 SteeJ Blade Dethatcher
Model No. 247.282820
For answers
to your questions
about this product,
call 1-800-4MY-HOME.
CAUTION:
Before
using this
product,
read this manual
and
follow
aJl safety ruJes and operating
instructions.
,, SAFETY
,, ASSEMBLY
,, OPERATION
,, MAINTENANCE
,, PARTS LIST
,, ESPAI_OL R 30
Sears, Roebuck and Co., Hoffman
Estates,
IL 60179, U.S.A.
Visit our website:
www.sears.com/craftsman
FormNo.769-04612
(May4, 2009)
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Summary of Contents for Craftsman 247.282820
- Page 1 Operator's nual CRAFTSMAN ° 21 SteeJ Blade Dethatcher Model No. 247.282820 For answers to your questions about this product, call 1-800-4MY-HOME. ,, SAFETY ,, ASSEMBLY CAUTION: Before using this ,, OPERATION product, read this manual follow aJl safety ruJes and operating ,, MAINTENANCE instructions.
- Page 2 Espa_ol ................. Operation ..............Service Numbers ............. Back Cover CRAFTSMAN FULL WARRANTY If this Craftsmanproductfails due to a defectin materialor workmanship withintwo yearsfrom thedateof purchase,returnit to any Sears store,Parts& RepairServiceCenter,or otherCraftsmanoutletin the UnitedStatesfor free repair(or replacement i f repairprovesimpos- sible), This warrantyappliesfor only 90 days if this productis everusedforcommercialor rentalpurposes.
- Page 3 This machinewas built to be operatedaccordingto the rulesfor safe operationin this manual.As with anytype of powerequip- tionswhich, if not followed,couldendangerthe __IL This symbolpoints outimportantsafety instruc- ment,carelessness or error on the part of the operatorcan result personalsafetyand/or propertyof yourselfand others.Readand follow all instructionsin this in seriousinjury.This machineis capableof amputatinghandsand feet and throwingobjects.
- Page 4 • Muffler and e ngine become hot and can cause aburn. Do not touch. • Neverstorethe machineor fuel containernear an open flame,spark • Only u se parts and accessories made for t his machine by the or pilot lightas on a waterheater,spaceheater,furnace,clothesdryer, manufacturer.
- Page 5 SAFETY SYMBOLS This pagedepictsand describessafety symbolsthat may appearon this product. Read,understand,and follow all instructions on the machinebeforeattemptingto assembleand operate. ® READ THE OPERATOR'S MANUAL(S) Read, understand, and follow all instructions in the manual(s) before attempting to assemble and operate WARNING-- ROTATING BLADES Keep hands out of inlet and discharge openings...
- Page 6 Use this pageas a guide to determineslopeswhereyou maynot operatesafely.Do not operate the dethatcheron such slopes. This symbolpointsout importantsafety instructionswhich,if not followed,couldendangerthe personalsafetyand/or propertyof yourself and others.Readand follow all instructionsin this manualbeforeattemptingto operatethis machine.Failureto complywith these instruc- tions may resultin personalinjury.Whenyou seethis symbol,HEEDITSWARNING!
- Page 7 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. Failureto comply with these instructions may result in personal injury.
- Page 8 Placeupperhandleon lowerhandle. NOTE:References to rightor left sideof thedethatcherare Insertknobs intotop hole of the lowerhandleand bottomhole determined from behindtheunit in the operatingposition(standing of the upperhandleand tighten.See Figure2. directlybehindthedethatcher,facingthe handlepanel). REMOVING FROM CARTON Cut the cornersof the cartonand lay the sidesflat on the ground.Removeand discardall packinginserts.
- Page 9 Securing Cables Adding Cablesare attachedto their respective controls,but are left unat- tachedto the handleto easeassembly;however,they will needto Theengineis shippedwithoutoil in the engine.Youmustfill the be securedto the lowerhandleby the providedcabletie. See enginewith oil beforeoperating.Runningthe enginewith insuf- Figure4. ficientoil can causeseriousenginedamageand void the product warranty.
- Page 10 Bail Interlock BladeControl Oil Fill Bail ThrottleControl RecoilStarter HeightAdjustment Lever Gasoline Choke Control Figure6 CHOKE CONTROL RECOIL STARTER The starterhandleis usedto start theengine, GASOLINE Removethegas cap to add fuel. Activatingthe choke control closes the choke plate on carburetor OIL FILL and aids in starting engine.
- Page 11 BEFORE STARTING THE ENGINE STARTING THE ENGINE Read,understandand followall the instructionsand warnings o n _ressurized startinc flammable. the machineand in this manualbeforeoperating. Thespark plug wirewas disconnected for safety.Attachthe spark plug wireto the spark plug beforestarting.See Figure7. Toavoidcarbonmonoxidepoisoning,makesurethe engineis outdoorsin a well-ventilated area. Set thethrottleto the fast_position.
- Page 12 USING • If dethatcherbecomesstuck duringuse, gentlypushdownon THE DETHATCHER handleto raisefront wheels Dethatchthe lawnonce inthe springand onceinthe fall to clear • Do notdrive overdiscardedthatchas this createsan uneven deadand/or dyinggrassfrom the lawn,and to allowmoreair to cuttingheight flow throughthe ground.Grass shouldbe 21/2incheshigh when •...
- Page 13 MAINTENANCE SCHEDULE Beforeperforming anytypeof maintenance/service, disengage all Followthe maintenanceschedulegivenbelow.This chart controlsandstoptheengine. W aituntilall movingpartshavecometo describesserviceguidelinesonly. Usethe Service Logcolumn a completestop.Disconnect sparkplugwireandgrounditagainst t he to keeptrackof completedmaintenance tasks.To locate the engineto prevent u nintended starting. A lwayswearsafetyglasses during nearest Sears Service Center or to scheduleservice,simply operation or whileperforming anyadjustments o r repairs.
- Page 14 NOTE: Pleasedisposeof usedmotoroil in a mannerthat is friendly Measurethe plug gap with a feelergauge.Correctas neces- to the environment. T akeit to a recyclingcenteror othercollection sary by bendingthe sideelectrode,Figure13.The gap should center, be set to .02-.03inches (0.70-0.80turn). Oil Recommendations Whenaddingoil to the engine,add 10%30 engineoil. Engineoil capacityis 600 rnl (approx.20 oz.).
- Page 15 ADJUSTMENTS Removethe beltby pullingoverand out from thetop pulley. Swingthe beltkeeperdownwards to releasebeltfrom lower Blade Cutting Height pulley.See Figure16. Thedethatcherisdesignedto cut 1/8 of an inchintothe ground.At the beginningof the productlife usethe 2-setting.As the blades wearit will be necessaryto increasethe depthof the cuttingblades by usingthe3, 4, and 5 settings.
- Page 16 BLADE REPLACEMENT To replacethe bladeassemblyreferto Figure20. Whenthe bladesbecometoodull to dethatchon the 5-setting,or if any of the bladesbreak,follow thesestepsto replacethe blade assembly. Removethe beltcoveras describedin the Belt Replacement section. Removethe bottompulley.See Figure18. Figure20 Insertthe bladeassemblyleft side first. Pull the rightside of the housingframeout. Slide the rightsideof the blade assemblyinto position.
- Page 17 AiR FILTER Paperfilterscannotbe cleanedand mustbe replacedonce a year or every 100operatinghours;moreoften if usedin extremelydusty conditions. Neverusegasolineor low flash pointsolventsfor cleaningthe air cleanerelement.A fireor explosioncould result. NOTE: Neverrunthe enginewithoutthe air cleaner.Rapidengine wearwill result. Pressthe tab on the air filter coverand lift the cover.See Figure 21.Replacepaperelementwhen dirty or damaged.Cleanfoam elementor replacewhen damaged.
- Page 18 If the dethatcherwill notbe usedfor30 days or longer,the equipmentneedsto be storedproperly.Followstorageinstructionsbelowto ensuretop performancefromthe dethatcherfor manymoreyears. PREPARING THE ENGINE PREPARING DETHATCHER Enginesstoredover30 days need to be drainedof fuel to prevent If the dethatcherwill not be usedfor 30 daysor longer,followthe instructionsbelow. deterioration and gumfrom formingin the fuel systemor on essential carburetorparts.If thegasolinein yourenginedeterioratesduring Storethe equipmentin a clean, dry area.
- Page 19 Before performing anytypeofmaintenance/service, disengage all controls and stoptheengine.Waituntilall movingpartshavecometoa completestop.Disconnect sparkplugwireandgroundit against t heengineto prevent unintended starting. A lwayswearsafetyglasses duringoperation or whileperforming anyadjustments or repairs. This sectionaddresses minorserviceissues.To locate the nearestSears Service Centeror to scheduleservice,simplycontact Searsat 1-800-4-MY-HOME®. Enginefails to start Fueltank empty,or stale fuel.
- Page 20 21 Steel Blade Dethatcher Model No. 247. 282820 20 4 23 48...
- Page 21 21 Steel Blade Dethatcher IViodel No. 247. 282820 681-04035-0637 PulleyGuardAssembly 750-04391 BearingSpacer,6.6x 16.7x 11.6 710-0107 HexScrew,5/16- 24 750-04394 idler Spacer,6.5 x 22.3 x 23 954-04028 V Belt 710-0151 Hex Screw,3/8- 24 710-04189 Screw,M6- 1 x 20.0 756-04112A Pulley 710-04192 Screw,M6- 1 756-04133 Pulley,2 x 2.75x .625 710-04866...
- Page 22 21 Steel Blade Dethatcher IViodel No. 247.282820...
- Page 23 21 Steel Blade Dethatcher IViodel No. 247. 282820 " 712-04053A Nut,M18x 1.5 720-04041 TurningKnob,M8 x 1.25 750-04201 BearingSpacer 732-04190A Compression S pacer, . 087x .715x .688 936-0451 SaddleWasher,.320x .93x .060 681-04018A BearingAssembly 738-04079 ShouldScrew,7.13x 11.5 736-0700 FiatWasher,8.4x 16 x 1.60 736-04114 SafetyWasher 738-04092...
- Page 24 21 Steel Blade Dethatcher Engine -- Model No. 247. 282820 _U'3...
- Page 25 21 Steel Blade Dethatcher Engine B IViodel No. 247. 282820 951-10902 951-10923 O-Ring Bolt Flangex28 Short Block DipstickComp GasketKit Oil Seal 25x41.25x6 Complete GasketCase Cover O-Ring Oil Seal 25x41.25x6 O-Ring Oil Seal 22x35x7 CoverCompLeft Crankcase Bearing6205 Packing Washer.10x16x1.5 CamshaftAssy. Pin Dowel7x14 GasketCover Head Pin Dowel9x14 GasketCylinderHead...
- Page 26 21 Steel Blade Dethatcher Engine B Model No. 247.282820 710-04908 Bolt 951-11155 Bolt Flangex28 Crankcase Cover DipstickComp 951-10954 ThrottleReturnSpring 951-11152 GovernorRod O-Ring Oil Seal 25x41.25x6 951-10915 GovernorReturnSpring 710-04916 Bolt CoverComp LeftCrankcase 710-04922 Bolt Bearing6205 GasketCase Cover 710-04902 Pivot Bolt RadialBall Bearing(6205) 751-11123 ValveAdjustingNut Oil Seal 22x35x7...
- Page 27 Congratulations on makinga smartpurchase.YournewCraftsman® Onceyou purchasethe Agreement, a simplephonecall is all that it productis designedand manufactured for yearsof dependable takesfor youto scheduleservice.Youcancall anytimeday or night, operation.But likeall products,it may requirerepairfrom time to or schedulea serviceappointmentonline. time.That'swhenhavinga RepairProtectionAgreement c an save The RepairProtectionAgreementis a risk-freepurchase.If you youmoneyand aggravation.
- Page 28 MTD CONSUMER GROUP (MTD) and the United States Environment Protection Agency (U. S. EPA) Emission Control System Warranty Statement (Owner's Defect Warranty Rights and Obligations) The U. S. EPAand MTDare pleasedto explaintheemissionscontrolsystemwarrantyon your modelyear 2005and latersmalloff-roadengine. New smalloff-roadenginesmustbe designed,builtand equippedto meetthe stringentanti-smogstandards.MTDmustwarrantythe emission controlsystemon your enginefor the periodof time listedbelow,providedtherehas been no abuse,neglector impropermaintenance of your smalloff-roadengine.
- Page 29 (9)Any replacement part m ay b eused i ntheperformance ofany warranty maintenance orrepairs and must beprovided without charge to the owner. Such u se will n ot r educe the warranty obligations ofMTD. (10) Add-on ormodified parts t hat a re not e xempted bythe AirResources Board may not b eused.
- Page 30 Funcionamiento ............posterior GARANTiA COMPLETA CRAFTSMAN Si este productoCraftsmanfalla debidoa un defectoen los materialeso la manode obra dentrode los dos aSosde la fechade compra, sirvasedevolverlo a cualquiertiendaSears,Centrode servicioSears, u otro puntode ventaCraftsmanen losEstadosUnidospara su reparaci6n(o reemplazosi la reparaci6nresultaimposible)sincargo. Esta garanfias61o tendr&validezdurante90 diassi este productose utilizaen cualquiermomentoparafines comerciales o de alquiler.
- Page 31 Esta m_quinafue construidapara set opera@ de acuerdo con las reglas de seguridadcontenidasen este manual.AI igual quecon cualquiertipo instruccionesde seguridadimportantesquedebe de equipo motorizado,un descuido o error por partedel operadorpuede respetarparaevitar poneren riesgo su seguridad La presenciade este simbolo indicaque setrata de producir lesionesgraves.Estam_quinaes capazde amputarmanosy personaly/o materialy lade los demos.Lea y cumpla todaslas instruccionesde este manualantesde...
- Page 32 • El silenciador y el motor se calientan y pueden causar quemaduras. No • Nunca almacene la m_.quinao el recipiente de combustible cerca los toque. de llama expuesta, chispas o aparatos con piloto como por ejemplo, calentadores de agua, calefactores, hornos, secadores de ropa u otros •...
- Page 33 S{IVIBOLOS DE SEGURIDAD En esta p&ginase presentany describenlos simbolosde seguridadque puedenapareceren este producto. Lea,entienday cumplatodas las instruccionesincluidasen la m&quinaantes de intentarrealizarel montajede la unidady utilizarla. LEA EL(LOS) MANUAL(ES) DEL OPERADOR Lea, entienda y cumpla todas las instrucciones incluidas en el(los) manuales antes de intentar realizar el montaje de la unidad y utilizarla.
- Page 34 Use esta p_.gina comoguia para determinarlas inclinaciones de las pendientes en las que podria no teneruna operaci6nsegura.Noopere la podadoraen dichas pendientes. c__ -rJ __,_o __q._ _-_- _- 3 -_" "r.J _ _ × _." -__. La presenciade este simboloindicaque setrata de instruccionesimportantes de seguridadque sedeben respetarpara evitarponer en peligrosu seguridadpersonaly/o materialy la de otras personas.Leay sigatodas las instrucciones de este manualantesde poneren funcionamiento esta m_.quina.
- Page 35 Estapdtgina s emarch6 intencionadamente enblanco.
- Page 36 Coloquela rnanijasuperiorsobrela inferior. NOTA:Las referencias a lado derechoo izquierdodel escarificador Insertlas perillasen el orificiosuperiorde la rnanijainferioryen se deterrninansitu_.ndose detr_.s de la unidaden posicidnde el orificioinferiorde la rnanijasuperiory ajuste.Vea la Figura2. operacidn(perrnaneciendo directarnente detr_.s del escarificador, rnirandohaciael panelde la rnanija). RETIRO DE LA CAJA Corte las esquinasde la cajade cart6ny extiendalos lados de rnaneraque quedenpianossobreel piso Quitey descarte todos los insertosde ernpaque.
- Page 37 Sujeci6n de cables Loscables est_nunidosa sus respectivoscontroles,pero no est&n unidosa la rnanijaparafacilitarel arrnado;no obstante,se los debe rn6vilesdel equipo.No utilicefluidos cornprirnidos para arrancar. sujetara la rnanijainferiorcon la uni6npara cables surninistrada. vaporessoninflarnables. Veala Figura4. Procedimiento para agregar aceite EImotor seenvia sinaceite en el motor.Antesde ponerel motor en rnarchadebe Ilenarlo de aceite.Si se hacefuncionarel motor sin suficienteaceitepuedecausar da_osgravesy anular la arantia.
- Page 38 BIoqueodel Llenadode Asa de control aceite de las cuchillas'"""_ regulador Arrancadorde retroceso Controldel Palancade ajuste de la altura Tapadel combustible Controldel Cebador Figura6 CONTROL DEL CEBADOR ARRANCADOR DE RETROCESO La manijadel arrancadorse utilizapara encenderel motor. TAPA DEL COMBUSTIBLE Saquela tapadel combustible para agregarcombustible. AIactivarel controldel cebadorsecierrala placaestranguladora del LLENABO BE ACEITE...
- Page 39 ANTES DE ARRANCAR EL MOTOR ENCENDIDO DEL MOTOR Lea,cornprenday siga todaslas instrucciones y advertencias Mantengasiemprelas manosy los piesalejadosde las partesm6viles.No que aparecenen la rn_.quina yen este manualantes de hacerla utilicefluidos comprimidospara arrancar.Losvaporesson inflamables. funcionar. El cablede la bujia ruedesconectadopor seguridad.Antesde cornenzar conecteel cablede la bujia a la rnisrna.Vea la Figura7.
- Page 40 USO DEL ESCARIFICADOR Escarifiqueel c_speduna vez en prirnaveray una vez en otofio Nohundadernasiadolas cuchillasde corte;de ese rnodose para retirarel pasto rnuertodel c_spedy para perrnitirel pasode acorta la vida Otilde la correade transrnisi6nde las cuchillas. rn_.s aire por la tierra. El pastodebe tenet 21/2 pulgadasde altoal escarificar.Despu_sde escarificar,fertilicey riegueel c_spedpara Si el escarificadorse pegaduranteel uso, ernpujela rnanija fornentarel crecirnientor_.pido.
- Page 41 PROGRAIVlA DE iVlANTENIIVllENTO Sigael cronograrna de rnantenirniento que se presentaa continuaci6n. E statabla s61o describepautasde servicio.Utilice Antes derealizar cualquier tipodemantenimiento o servicio, desenganche todos la colurnnaRegistrode Servicio parahacerel seguirniento de las loscontroles ydetenga e lmotor. Espere a quesedetengan c ompletamente tareasde rnantenirniento c ornpletadas.Paraubicar el Centro de todas laspiezas m6viles.
- Page 42 NOTA: Elirnine el aceiteusadodel motorde una rnaneraque no perjudiqueel medicarnbiente.Ll_veloa un centrode recicladou otrocentro de recolecci6n. Recomendaciones sobre el aceite Electrodo Cuandoagregueaceite al rnotor, agregeaceite para motor10W-30. La capacidadde aceitedel motores 600 rnl (aprox.20 onzas). No Ileneexcesivarnente. U se un aceite paramotorde cuatrotiernpos, o un aceitedetergentede calidadpremiumequivalentecon certificadoque cubrao excedalas exigenciasde losfabricantesde autorn6viles arnericanos respectode la clasificaci6nde servicioSG...
- Page 43 AJUSTES Saquela correa alando haciaarribay afuerade la polea superior.Ernpujeel guardacorrea haciaabajo para soltarla AItura de corte de las cuchiJlas correade la polea inferior.Veala Figura16. El escarificadorest&dise_adoparacortar a 1/8 de pulgadade profundidad. A I iniciarsela vida Qtil d el producto,utilicela posici6n 2.
- Page 44 CAIViBIODE CUCHILLAS Paracarnbiarel conjuntode cuchillasconsultela Figura20. Cuandolas cuchillasest&ntandesafiladasque no escarificanen la posici6n5, o si algunade elias se rornpe,siga estospasospara reernplazar e l conjuntode cuchillas. Retirela cubiertade la correacornose describeen la secci6n Carnbiode correas. Saquela poleainferior.Vea la Figura18. Figura20 Inserteel conjuntode cuchillascornenzando con el lado izquierdo.
- Page 45 FILTRO DE AIRE Losfiitrosde papel no se puedenlirnpiar.Se debenreernplazar una vez al a_o o cada 100 horasde funcionarniento y con mayor frecuenciasi se utilizanen lugaresdonde haygran cantidadde polvo. Nunca use gasolinao solventesde puntode encendidobajo para limpiar el elementodel depuradorde aire. Podria producirseun incendioo explosi6n.
- Page 46 Si no se va a usarel escarificador durante30 alaso rn_.s, e s necesarioalrnacenar e l equipoadecuadarnente. Siga las instrucciones de alrnacenarniento que se indicana continuaci6npara garantizarel rendirniento rn_.xirno del escarificadorduranternuchosaSosrn_.s. PREPARACION DEL MOTOR PREPARACION DEL ESCARIFICADOR Los rnotores alrnacenados rn_.s de 30 diasnecesitanser drenados Si no seva a usarel escarificador durante30 dias o rn_.s, s igalas instrucciones incluidasa continuaci6n.
- Page 47 Antesde realizar c ualquiertipode rnantenirniento o servicio, d esenganche t odosloscontroles y detenga el motor. Espere a quesedetengan cornpletarnente todaslaspiezasrn6viles. Desconecte el cablede la bujfay p6ngalo haciendornasacontrael motorparaevitarqueseencienda accidentalrnente. Utilicesiernpre anteojos de seguridad _durante a operac6n o rnentrasrea zaajusteso reparac ones. Esta secci6nanaliza problemasmenores de servicio.Paraubicar el Centrode ServicioSears m_s cercanoo paraprogramarun servicio,simplemente comuniquese con Sears al tel_fono 1-800-4-MY-HOME®.
- Page 48 Felicitacionespor haberrealizadouna adquisici6ninteligente.El Unavez adquiridoel Acuerdo,puedeprogramarel servicio con tan s61orealizaruna Ilamadatelef6nica.PuedeIlamaren productoCraftsman@ que ha adquiridoest&diseSadoy fabricado para brindarmuchosaSosde funcionamiento confiable.Perocomo cualquiermomentodel dia o de la nocheo programarun servicio en linea. todos losproductosa vecespuederequerirde reparaciones. E sen ese momentocuandoel disponerde un Acuerdode protecci6npara El Acuerdode Protecci6n de Reparaci6nes una comprasin reparaciones le puedeahorrardineroy problemas.
- Page 52 Your Home For expert troubleshooting and home solutions advice: www.managemyhome.com For repair - in your home - of all major brand appliances, lawn and garden equipment, or heating and cooling systems, no matter who made it, no matter who sold it! For the replacement parts, accessories owner's manuals that you need to do-it-yourself.