Craftsman 247.776370, Operator'S Manual

Page 1: ...TION Before using this product read this manual and follow all safety rules and operating instructions SAFETY ASSEMBLY OPERATION MAINTENANCE PARTS LIST ESPAIMOL Sears Roebuck and Co Hoffman Estates IL 60179 U S A Visit our web site www craftsrnan corn FORMNO 789 03235 08 14 2007 ...

Page 2: ...e includingbut notlimitedto damagecausedby objects suchas stones metaldebrisor oversizedpiecesof wood or impactingobjectsthatbendtheframeorcrankshaft or over speeding the engine Repairsnecessarybecauseof operatornegligence includingbut not limitedto electricalandmechanicaldamagecausedby improper storage failureto usethe propergradeandamountof engineoil orfailureto maintainthe equipmentaccordingto ...

Page 3: ... Searstechnicianon productsrequiringin homerepair plus convenientrepair scheduling Purchase a RepairProtectionAgreementnowandprotectyourself fromunexpectedhassleandexpense Onceyou purchasethe Agreement a simplephonecall is all thatit takesfor you toscheduleservice Youcan call anytimeday ornight or schedulea serviceappointmentonline Searshas over12 000professionalrepairspecialists who have accessto...

Page 4: ...gers hands andfeet Neverattemptto unclogeitherthefeed intakeor dischargeopening removeorempty chipperbag or inspectand repairthe machinewhile theengineis running Shutthe engineoff andwait untilall movingparts havecometo acompletestop Disconnectthe spark plugwire and groundit againstthe engine PREPARATION Thoroughlyinspectthe areawherethe equipmentisto beused Remove all rocks bottles cans orotherfo...

Page 5: ...chute or chute deflectorproperlyattachedto the machine Neveremptyor change chipperbagwhilethe engineis running Keepall guards deflectorsandsafetydevicesin placeandoperating properly Keepyourface andbody backandto the side of thechipperchute while feedingmaterialintothe machineto avoidaccidentalkickback injuries Neveroperatethis machinewithoutgood visibilityor light Do notoperatethis machineon a pa...

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Page 7: ...and Discharge Chute while the engine is running Rotating cutting blades inside these openings will cause serious personal injury if contacted Material being _rocessed may bounce back from inlet openings or be thrown from the discharge chute Long hair or loose clothing may be pulled sucked into the inlet openings Do not place branches over 1 2 inch diameter into the large Shredder Hopper Branches o...

Page 8: ...her looseparts LOOSE PARTS iN CARTON HopperAssembly Bag ChuteDeflector ChipperChute SafetyGlasses EngineOil ATTACHING THE HOPPER ASSEMBLY 1 a Removesixhex nutsand washersfromthe weldstudson the impellerhousing Do notremovesupportplate SeeFigure1 b Placehopperassemblyintopositioninfrontof impeller housing aligningholesinhopperassemblycollarwithweld studs c Slidehopperassemblyontoweldstudsand replac...

Page 9: ...n chute deflector spacersfit insideof hinges SeeFigure4 b Placesecondspaceroverhex bolt insideotherhingeand securewithhex locknut c Securebothsidesof chutedeflectorto impellerhousingusing wingknobspreviouslyremoved ATTACHING THE CHIPPER CHUTE 1 a Remove thethreecuppedwashersandhex nutsfromweld studsaroundthe openingon the sideof the impellerhousing SeeFigure5 b Removethe hexbolts flatwashers andlo...

Page 10: ...eto the frame a Alignthe holesin thechutewiththe holesinthe top of the braceandattachbraceto chipperchutewithhardware previouslyremoved Tightensecurely SeeFigure7 b Tightenthe boltssecuringthe supportbraceto the frame c Tightenthethree nutson the weldstudsholdingthe chipper chuteto the impellerhousing ATTACHING THE BAG 1 Toattachthe bag a Placethe openingof the bagcompletely overthe chute deflecto...

Page 11: ...erwhen raisingor lowering See Figure9 CHUTE DEFLECTOR J The operationof anychippershreddercanresultinforeignobjects beingthrownintothe eyes whichcan damageyoureyesseverely Alwayswearthe safetyglassesprovidedwiththisunitor eye shields beforechippingor shreddingandwhile performing any adjustments or repairs THROTTLE CONTROL Thislevercontrolsthe enginespeedandstopfunction Throughthree separatepositio...

Page 12: ...1 Removefuel cap fromthefuel tank 2 Makesurethe containerfromwhichyouwill pourthe gasolineis cleanandfreefromrustor foreignparticles Neveruse gasoline thatmaybestalefromlongperiodsof storagein itscontainer Gasolinethathasbeensittingfor any periodlongerthan four weeksshouldbe considered stale 3 Fill fueltankwithclean fresh unleadedregulargasolineonly Do not usegasolinecontainingMETHANOL Replacefuel...

Page 13: ...notoverloadthe hopper Allowthe materialinthe hopperto bedrawnintothe bladesand shreddedbeforeaddingadditionaldebristo the hopper Failureto dueso mayresultin a cloggedhopper cloggedchutedeflectoror a stalledengine CHiPPiNG Branchesupto 3 in diametercanbe fed intothe chipperchute Observethe followingguidelineswhenchippingbranches Keepbothhandsfirmlyonthe branchas youfeed it intothe chipperchute Neve...

Page 14: ...essurized or 1 Theair cleanerpreventsdamagingdirt dust etc fromenteringthe carburetorandbeingforcedintothe engineandis importantto engine lifeand performance Theair cleanerconsistsof apleatedfilterand a pre cleanerthatcan bewashedandreused Neverrunthe engine withoutan aircleanercompletely assembled Cleanorreplacetheair cleanerevery25hoursof operation 1 Loosenscrewsthatholdthe airfiltercover 2 Open...

Page 15: ...65 0 Avod theseareas Service Muffler Inspectmufflerperiodically and replaceif necessary Replace mentpartsfor the mufflermustbethe sameandinstalledinthe samepositionas the originalparts Clean Engine Dailyor beforeeveryuse cleangrass chaffor accumulated debrisfromengine Keeplinkage spring andcontrolsclean Keepareaaroundandbehindmufflerfreeof any combustible debris Keepingenginecleanallowsairmovement...

Page 16: ...lugwireandgroundagainstthe engine 2 Removethe flail screenas instructedinthe previoussection 3 Removethe chipperchutebyremovingthree hexnutsand washers 4 Removethe chipperchutesupportbracefromthe frameby removingthe hex bolts 5 Rotateimpellerassemblyby handuntilyoulocateoneof two chipperbladesin the chipperchuteopening 6 Removethe bladeby removingthe internalhexscrews lock washers andhex nutswhich...

Page 17: ...ingthe blade followtheoriginalangle of grindas a guide It is extremelyimportantthateachcuttingedge receivesan equalamountof grindingto preventanunbalancedblade An unbalancedbladewill causeexcessivevibrationwhen rotatingat highspeedsand maycausedamageto the unit The bladecan be testedby balancingit on a screwdriver or nail Removemetalfromthe heavysideuntil it is balancedevenly MAINTENANCE SCHEDULE ...

Page 18: ...ngineis stillwarm changethe oil 3 Removesparkplugand pourapproximately 1 oz 30 ml of clean engineoil intothe cylinder Pullthe recoilstarterseveraltimesto distributethe oil andreinstallthesparkplug 4 Cleanengineof surfacedebris PREPARING THE CHIPPER SHREDDER Whenstoringthe chippershredderinan unventilated or metal storageshed careshouldbetakento rustproofthe non painted surfaces Usinga lightoil ors...

Page 19: ...rge 1 Chutedeflectorclogged Rateof dischargeslows considerablyor composition of dischargedmaterialchanges 2 Foreignobjectlodgedin impeller 3 Lowengine RPM 1 LowengineRPM 2 Chipperbladedull 1 Movethrottleleverto START RUN position 2 MoveCHOKEto ONposition 3 Connectwireto sparkplug 4 Clean adjustgap or replace 5 Fill tankwithclean freshgasoline 6 Obstructionlodgedin impeller Disconnectspark plugwire...

Page 20: ...Chipper Shredder IVlodel No 247 776370 Q B Q 2O ...

Page 21: ...19 712 0266 I Nut JamLock 3 8 16 20 719 04308 FlailBlade 21 738 04286 ShoulderPin 5 x 2 625 710 3008 23 736 0247 24 742 0571 25 710 1254 26 681 0004A 2_ 710 0825 28 781 0515 29 781 0574 30 681 0104 31 732 0306 32 736 0117 33 714 0104 34 736 0264 35 710 0376 36 748 0453 3_ 736 0362 38 712 0429 39 731 1710A 40 681 0123 41 711 1128 42 731 1707 D _ 0 Q HexCap Screw5 16 18x 75 FlatWasher3 8 x 1 25 Shre...

Page 22: ...Chipper Shredder IVlodel No 247 776370 Q Q 22 ...

Page 23: ...737 0195 ElbowFitting 6 710 0751 HexCap Screw1 4 20x 620 19 734 1845 WheelComplete 10 0x 4 0Gray 7 712 3027 i HexLockNut 1 4 20 20 726 0214 PushCap 8 710 0106 i HexCap Screw1 4 20x 1 25 21 681 0184A Frame 9 736 0173 FlatWasher 28ID x 74OD 22 736 0451 Washer 320 IDx 93OD 10 736 0242 BellWasher 340ID x 872OD 23 710 0502A Screw 3 8 16x 1 250 11 712 3010 HexNut5 16 18 24 723 0400 SafetyGlasses NotShow...

Page 24: ...ies Engine Model No 150112 For Chipper Shredder Model 247 776370 552 287 524 684 306 742 307_ 746 15A_ 383_ 337 45 3 22_ 24 718 15_ 1B 146 741 1095 VALVE GASKET SET 868 _ 99 1022 12 51 358 ENGINE GASKET SET 1022 1029 24 ...

Page 25: ...33A _ 9_3 _166 _J_ lO_ 975_137_ 276 366_ 951 276G 4_ 222 _ 427_ 773 271 _ _ __ 621 _ I 48 SHORT BLOCK I I 1329 REPLACEMENT ENGINE 209A 366 51 334 _ 121 CARBURETOR OVERHAUL KIT 104 q 1270 __ 3_ 276 16 633A S 137 0 633 1319 WARNING LABEL REQUIRED when replacing parts with warning labels affixed 1058 OPERAS MANUAL 1 1330 REPAIR MANUAL 663_ 281 836 832 25 ...

Page 26: ...Craftsman 11O0 Series Engine Model No 150112 For Chipper Shredder Model 247 776370 363 _ 23 1070 _J_ 1005 455 332_ 1036 EMISSIONS LABEL 37 _P 26 ...

Page 27: ... 27 690975 Lock Piston Pin 28 690229 Pin Piston 29 791783 Rod Connecting 32 791784 Screw ConnectingRod 33 499642 Valve Exhaust 34 499641 Valve Intake D _ O a 691304 Spring Valve Intake 36 691304 Spring Valve Exhaust 37 699661 Guard Flywheel 40 692194 Retainer Valve 45 690977 Tappet Valve 46 791177 Camshaft 48 N A Short Block 51 692555 tA_ Gasket Intake 55 691422 Housing Rewind Starter 58 693389 Ro...

Page 28: ... DipstickTube i Muffler i Housing Blower Screw BlowerHousing I Shield Cylinder i Screw CylinderShield Nut Flywheel Armature Magneto m 334 337 356 358 363 365 383 415 427 445 455 456 459 504 505 523 524 552 562 584 585 597 601 608 613 615 616 619 621 699477 491055s 695814 791797 19069 699484 19374s 693463 694255 491588s 692591 692299 281505s 694254 691251 693618 281370s 692346 691119 791759 791760f...

Page 29: ...ckerCover Top Screw RockerCover Center Lever Choke __ D _ e e 957 694261 Cap FuelTank 967 493537s Filter PreCleaner 968 790633 Cover AirCleaner 971 690370 Screw AirCleanerBase 972 694260 Tank Fuel 975 790559 Bowl Float 977 697001 GasketSet Carburetor 993 694088tA Gasket Cylinder HeadPlate 1005 794273 Fan Flywheel 1022 691890tA Gasket Rocker Cover 1023 499924 Cover Rocker 1026 790287 Rod Push 1029 ...

Page 30: ...y Defectsare judgedon normalengineperformance The warrantyis notrelatedto anin use emissiontest Sears Emission Control Defects Warranty Provisions Thefollowing arespecific provisions relative toyourEmission Control Defects Warranty Coverage Itisinaddition to theSears engine warranty fornon regulated enginesfoundin theOperatingandMaintenanceInstructions 1 WarrantedParts Coverageunderthis warrantyex...

Page 31: ...mple a typical walk behind lawn mower is used 20 to 25 hours per year Therefore the Emissions Durability Period of an engine with an intermediate rating would equate to 10 to 12 years The Air index is a calculated number describing the relative level of emissions for a specific engine family The lower the Air index the cleaner the engine This information is displayed in graphical form on the emiss...

Page 32: ...in limitarsea ellos losdahoscausadosporobjetos talescomo piedras desechosde metalo trozosde maderade untamahodemasiadogrande objetosque hacenimpactoque puedendoblarla estructurao el carter o sobreacelerar el motor Reparaciones necesariasdebidoa negligenciadeloperador incluyendo entre otros dahosmecanicoy electricoocasionadoporun almacenamiento noapropiado falla porel usode aceitede gradoy o cantid...

Page 33: ...a portel_fono asistenciatelef6nicaa cargode un tecnicode Searsparalos productosquerequierenreparaci6n a domicilio adem_ts deunaprogramaci6n convenienteparala reparaci6n Unavezadquiridoel Acuerdo puedeprogramarelserviciocon tan s61orealizarunaIlamadatelef6nica PuedeIlamaren cualquier momentodeldia o dela nocheo programarunservicioen linea Searsdisponedem_ sde 12 000especialistasenreparaciones profe...

Page 34: ...a cortadora ni de revisary repararla maquinamientrasel motorestaenmarcha Apague el motory espere hastaquetodas las piezasmovilesse hayandetenido por complete Desconecteel cablede labujiay pongalodemaneraque haga masacontrael motor PREPARATIVOS Inspeccione minuciosamente elAreadondeutilizaraelequipo Retire todaslaspiedras botellas latasu otrosobjetosextra_osquepuedanser levantados oarrojadoscausand...

Page 35: ...dos losprotectores desviadoresy dispositivosdeseguridad ensu lugaryen buenascondiciones Mientrasalimentamaterialdentrode lamaquinamantengasu rostro y sucuerpodetrasy haciaun costadodel canalde lacortadora para evitarlesionespor retrocesosaccidentales Nuncaopereestamaquinasin buenavisibilidado iluminaci6n No hagafuncionaresta maquinaen unpavimentado grava o nonivele la superficie Noopere estamaquin...

Page 36: ...RO DE LA CAJA Montajedetolva Bolsa Canaldeflector Anteojosde seguridad Canaldela cortadora Aceitede motor INSTALACION DE LA TOLVA MONTAJE 1 a Saqueseistuercashexagonales y arandelasde los esp_ rragos de lasoldadurade lacaja delmotor Nosaquela placade sosten Veala Figura1 b Coloqueel montajedela tolvaen posici6ndelantede lacaja del motor alineandolos agujerosdelmontajedelarode la tolvacon losesp_tr...

Page 37: ... Yeala Figura3 4 b Coloqueel segundoseparadorsobreelbul6nhexagonal dentrode laotra bisagray ajOstelo con la tuercadeseguridad hexagonal c Ajusteamboscostadosdelcanaldeflectora a la cajadel motorutilizandolas perillasa mariposaquehabiasacado anteriormente COLOCACl6N DEL CANAL DE LA CORTADORA 1 a Saquelastresarandelascurvasy las tuercashexagonales de los espD rragos de lasoldaduraqueestD n alrededor...

Page 38: ...ealosagujerosdel canalcon losagujerosde la partesuperiorde latraba y unala mismaal canalde la cortadoracon los elementosde ferreterfapreviamente retirados Ajustebien VealaFigura7 b Ajustelos bulonesqueunenlatrabade sostenal bastidor c Ajustelastrestuercasde losesp_trragos dela soldaduraque sostienenel canalde lacortadoraa lacaja del motor COLOCACl6N DE LA BOLSA 1 Paraadosarla bolsa a Coloquela abe...

Page 39: ...Figura9 DEFLECTOR DEL CANAL Losdesechoscortadosy trituradosse descarganfueradeldeflector delcanal Launidadpuedeser operadacon osin la bolsade recolec ci6nadosadaal deflectordelcanal VealaFigura9 AI operarunacortadoratrituradorapuedeserqueobjetosextrahos seanarrojadosa losojos Io cualpuededaharlosgravemente Utilice siemprelos anteojosdeseguridadprovistos con estaunidado protectoresparaojos antesde ...

Page 40: ...unespaciocerrado ocuandoel motorest calienteo enmarcha Apaguecigarrillos c garros ppas y otrasfuentesde combust6n GASOLINA 1 Saquelatapa delcombustibledeldep6sitodel mismo 2 Verifique queel recipiente delqueva averterlagasolinaeste limpioy librede6xidoo deobjetosextrahos Nousenunca gasolinaquepuedaestarviejaporhaberestadoalmacenada ensu recipiente porlargosperiodos Lagasolinaquehaestadoestacio nad...

Page 41: ...ojas ramas pihasde los pinos etc Evitelatrituraci6ndeplantasfibrosascomo porejemplo las detomateshastaqueestentotalmente secas Lasplantas detomatesfrescasnose trituranbieny tiendena enroscarse alrededordel motory deldesgranado Coloquecantidadesrazonables de desechosen la tolvapor vez No sobrecargue la tolva Permitaqueel materialquese encuentraen la tolvasea atraido hastalas cuchillasy trituradoant...

Page 42: ...rode aireevitael ingresoal carburadorde suciedad polvo etc perjudiciales y evitaque los mismosseanintroducidosdentrodel mo tor Adem_ts dicho filtroes importanteparala vida0til y el rendimiento delmotor Elfiltrodeaireconstade unfiltroplisadoy unpreencargado de limpiezaquepuedeser lavadoy reutilizado No ponganuncaen funcionamiento el motorsin habermontadototalmenteelfiltrode aire Limpioosustituyenel...

Page 43: ...combros acumuladosdel motor Guardeencadenamiento primavera y mandoslimpios Guardeel _ reaalrededory detr_ts delsilenciadorsin cualesquiera escombroscombustibles Elcuidadodelmotorlimpiopermiteel movimiento a_reoaired edordel motor Las partesde motordeberianser guardadaslimpiasparareducir el riesgode recalentarse y la ignici6ndeescombrosacumulados I No use aguaparalimpiarpartes aguapodria el de moto...

Page 44: ...r Guardeloselementosdeferreteria Veala Figura14 NOTA UseunaIlavehexagonalde3 16 Allen en elexteriorde la cuchillay unaIlavede tubode 1 2 ocubo enel interiordel motor Sostengala IlaveAllenfirmementey gire laIlavedetubo o cubo para aflojarlatuerca 7 Coloqueunacuchilladerepuesto NOmero de pieza781 0490 con loselementosdeferreteriaqueextrajoanteriormente o afilela IMPORTANTE Cuandoafila lacuchilla pro...

Page 45: ...6nexcesivacuandogire aalta velocidady puededaharla unidad Sepuedeprobarlacuchillabalanceb ndola sobre undestornil ladoro clavo Saquemetaldelladopesadohastaquequedebien balanceada LISTA DE MANTENllVllENTO Antesde realizarcualquiertipodel mantenimiento servicio suelte todoslos mandosy pareel motor Esperehastaque todaslaspartes demovimientohayanvenidoa unaparadacompleta Desconecteel alambredebujiay b...

Page 46: ...urador despuesqueel motory el combustiblepuedenser almacenados hastaseismeses 2 Mientrasel motores todavfacaliente cambioelpetr61eo 3 Quitelabujfa y viertaaproximadamente 1onz 30ml del petr61eo de motorlimpioenel cilindro Tire eljuez desalida de retrocesovariasvecesparadistribuirel petr61eo e instalarde nuevolabujfa 4 Limpieel motorde escombrossuperficiales Almacenando cortadoratrituradoraen uncob...

Page 47: ...47 ...

Page 48: ...oceso 7 Elmotorsedesbord6 1 La unidadester funcionandoen laposici6n CHOKE obturaci6n 2 Elcablede la bujfaester flojo 3 EIcombustibleesviejo 4 Aguao suciedaden el sistemadel combus tible El motornoarranca El motorfuncionade manera err_ttica 5 Elfiltrode aireest sucio 6 RPMdel motorbajas 7 Es necesarioajustarelcarburador 1 Muevalapalancadel reguladora la posici6nSTART inicio RUN dirigido 2 Pongael i...

Page 49: ...ase reduce de maneraconsiderable o cambiala composici6n del materialdescargado 2 Hayunobjetoextrahoenel motor 3 RPMdel motorbajas 1 RPMdel motorbajas 2 La hojade lacortadoraester desafilada 1 Lleneel c_ rter con la adecuadaselecci6nde aceite 2 Recortesde peri6dicode hierbalimpiosy escom brosdealrededordelas aletasde refrigeraci6n del motory alojamientodesoplador 1 Quite labujiay ajusteel hueco 2 3...

Page 50: ...er defectos Los defectossejuzgan deacuerdoconelfuncionamientenormalde unmotor La garantfanoestarelacionadaconunapruebade emisionesenuse Diepoeicionee de la garantia Sears para defectoe en el control de emieiones Lassiguientessondisposiciones especificasrelacionadas conla coberturade la garantiaparadefectosenel controldeemisiones Esuna_adidoa lagarantiade motorSearsparamotoresnoreguladesque seencue...

Page 51: ... Por Io tanto el Per odo de Duraci6n de Emisiones de un motor con una clasificaci6n intermedia seria equivalente a entre 10y 12 afios Laclasificaci6n de aire es un nQmero calculado para describir el nivel relativo de emisiones para un grupo de motores en particular Cuanto menor sea la clasificaci6n de aire mayor es la limpieza del motor La informaci6n se presenta de forma gr fica en la etiqueta de...

Page 52: ... of your nearest Sears Parts Repair Service Center 1 800 488 1222 U S A 1 800 469 4663 Canada Call anytime day or night 1 888 S U HOGAR 1 888 784 6427 Registered Trademark TM Trademark SM Service Mark of Sears Brands LLC Marca Registrada TMMarca de F_brica s_ Marca de Servicio de Sears Brands LLC Mc Marque de commerce MDMarque dCposCe de Sears Brands LLC Sears Brands LLC ...