Craftsman 8 Hp Manual
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OWNERS MANUAL MODELNOS° 247.795860 247=795861 Caution: ReadandFollow AllSafetyRules andInstructions BeforeOperating ThisEquipment 8HORSEPOWER 3CUTTINGSTAGE MULCHINGANDBAGGING CHIPPER=SHREDDER Assembly Operation CustomerResponsibilities ServiceandAdjustment RepairParts SEARS,ROEBUCKANDCO.,HoffmanEstates,IL60195U.S.A. PrintedinU.S.A.770_8175H9/92
SAFETYRULES l_PERSONALINJURY, WARNING:TOREDUCETHEPOTENTIALFORANYINJURY,COMPLYWITHTHEFOLLOWING SAFETYINSTRUCTIONS.FAILURETOCOMPLYWITHTHEINSTRUCTIONSMAYRESULTIN TRAINING eReadthisownersmanualcarefullyinitsentiretybefore attemptingtoassembleoroperatethismachineBecom- pletelyfamiliarwiththecontrolsandtheproperuseofthis machinebeforeoperatingitKeepthismanualinasafe placeforfutureandregularreferenceandforordering replacementparts eChildrenmustneverbeallowedtooperatethisequipment eNooneshouldoperatethisunitwhileintoxicatedorwhile takingmedicationthatimpairsthesensesorreactions eThisequipmentshouldneverbeoperatedinthevicinity ofchildren,petsorotherpersons ®Neverrunyourmachineinanenclosedareaasthe exi_austfromtheenginecontainscarbonmonoxide,which isanodorless,tastelessanddeadlypoisonousgas eNeverplaceyourhandsoranypartofyourbodyorcloth- inginsidethefeedingchamber,dischargechute,ornear anymovingpartwhilethemachineorengineisrunning. eIfitisnecessaryforanyreasontoinspectorrepairthe feedingchamberoranypartofthemachinewhereamov- ingpartcancomeincontactwithyourbodyorclothing, stopthemachine,allowittocool,disconnectthespark plugwirefromthesparkplugandmoveitawayfromthe sparkplugbeforeattemptingsuchinspectionorrepair PREPARATION eWearsafetyglassesprovidedwithyourunitwhileoperat- ingthechipper-shreddertopreventinjuryfromanymate- rialwhichmaybeejectedoutoftheopenings. eWearproperapparelAvoidwearingloosefittingclothing Weargloveswhenhandlingmaterial eHANDLEGASOLINEWITHCAREasitisanextremely flammablefuel oCheckthefuelbeforestartingtheengineDonotfillthe fueltankindoors,whiletheengineisrunning,orwhilethe engineisstillhotTurntheunitoffandlettheenginecool beforerefueling oFuelyourchipper-shredderinacleanareaDonot smokewhilerefueling •Fueltankcapmustbesecureatalltimesexceptdudng refueling ®AvoidspillinggasolineoroilWipetheunitcleanofany spilledfueloroil. ®Storefuelandoilinapprovedcontainers,awayfromheat oropenflame,andoutofreachofchildren •Thismachineshouldbeoperatedonlyuponalevelsurface ®Assurethatallscrews,nutsandboltsandotherfasteners areproperlysecured OPERATION ®Whenfeedingshreddablematerialintothisequipment, beextremelycarefulthatpiecesofmetal,rocks,bottles, cansorotherforeignobjectsarenotincludedPersonal injuryordamagetothemachinecouldresult oifthecuttingmechanismstrikesanyforeignobjector yourmachineshouldstartmakinganunusualnoiseor vibration,immediatelystoptheengine,disconnectthe sparkplugwirefromthesparkplugandmoveitaway fromthesparkplugAllowthemachinetostopandtake thefollowingsteps: Inspectfordamage Replaceorrepairanydamagedparts Checkforanyloosepartsandtightentoassurecontin- uedsafeoperation eTheenginemustbekeptcleanofdebrisandotheraccu- mulations. eDonotallowanaccumulationofprocessedmaterialto buildupinthedischargeareaasthiswillpreventproper dischargeandcanresultinkick-backfromfeedopening eNeverplaceyourhandsoranyotherpartofyourbodyor clothinginsidethefeedingchamber,dischargechuteor nearanymovingpartwhiletheengineisrunning eKeepallguardsanddeflectorsinplaceandingoodwork- ingconditiontoassurecontinuedsafeoperation eAlwaysstandclearofthedischargeareawhenopelating thismachine eKeepyourfaceandbodybackfromthefeedopeningto avoidaccidentalbouncebackofanymaterial. ®Donotover-reachKeepproperbalanceandfootingatall times eTheenginegovernorsettingsonyourmachinemustnot bealtered,changed,ortamperedwithThegovernor contrelsthemaximumsafeoperatingspeedsandpro- tectstheengineandallmovingpartsfromdamage causedbyoverspeed. eDonottransportmachinewhileengineisrunning eDonotoperateengineifaircleanerorcoverdirectlyover carburetorairintakeisremoved,exceptforadjustment. Removalofsuchpartscouldcreateafirehazard MAINTENANCEANDSTORAGE oWhenthisequipmentisstoppedforservicing,inspection, storageortochangeanaccessory,makesurethespark plugwireisdisconnectedfromthesparkplugandmoved awayfromthesparkplugThemachineshouldbe allowedtocooldownbeforemakingsuchinspection, adjustments,service,etcMaintainyourmachinewith careandkeepitcleanforthebestandcontinuedsafe operation oDenotuseflammablesolutionstocleantheairfilter OWhennotinuse,yourmachineshouldbestoredoutof thereachofchildren.Keepwheregasolinefumeswillnot reachanopenflameorsparkForlongperiodsofstor- age,refertotheStoragesectionofthismanual. I LOOKFORTHISSYMBOLTOPOINTOUT] IMPORTANTSAFETYPRECAUTIONS.ITI MEANS--ATTENTION!!!BECOMEALERT!!! YOURSAFETYSNVOLVED./ J 2
CCNGRATULATIONSonyourpurchaseofaSears CrattsmanChipper-ShredderIthasbeendesigned,engi- neeredandmanufacturedtogiveyouthebestpossible dependabilityandperformance, Shouldyouexperienceanyproblemyoucannoteasilyrem- edy,pleasecontactyournearestSearsServiceCenter/ DepartmentintheUnitedStates,Wehavecompetent,well- trainedtechniciansandthepropertoolstoserviceorrepair thisunit PleasereadandretainthismanualTheinstructionswill enableyoutoassembleandmaintainyourchipper-shredder properlyAlwaysobservetheSAFETYRULES MODEL NUMBER SERIAL NUMBER DATEOF PURCHASE THEMODELANDSERIALNUMBERSWILLBEFOUND ONALABELATTACHEDTOTHEFRAMEOFTHE CHIPPER-SHREDDER YOUSHOULDRECORDBOTHSERIALNUMBERAND DATEOFPURCHASEANDKEEPINASAFEPLACE FORFUTUREREFERENCE CUSTOMERRESPONSIBILITIES eReadandobservethesafetyrules, eFollowaregularscheduleinmaintaining,caringfor andusingyourchipper-shredder, ®FollowtheinstructionsunderCustomerRespons- ibilitiesandStoragesectionsofthisOwners Manual PRODUCTSPECnFICATIONS Horsepower:&0 Displacement:19,44cuin FuelCapacity:1Gallon (Unleaded) SparkPlug(Gap030in.):Champion J19LM(or Equivalent) Magnetron®IgnitionAirGap:,0125in MAINTENANCEAGREEMENT ASearsMaintenanceAgreementisavailableonthis productContactyournearestSearsstorefordetails WARNING:Thisunitisequippedwithaninternalcombus- tionengineandshouldnotbeusedonornearanyunim- provedforest-covered,brush-coveredorgrass-coveredland unlesstheenginesexhaustsystemisequippedwitha sparkarrestermeetingapplicablelocalorstatelaws(ifany) Ifasparkarresterisused,itshouldbemaintainedineffec- tiveworkingorderbytheoperator intheStateofCaliforniatheaboveisrequiredbylaw (Section4442oftheCaliforniaPublicResourcesCode) Otherstatesmayhavesimilarlaws,Federallawsapplyon federallandsAsparkarresterforthemufflerisavailabte throughyournearestSearsAuthorizedServiceCenter(See theREPAIRPARTSsectionofthismanual) WARRANTY ONEYEARLIMITEDWARRANTYOHCRAFTSMANGASCHIPPER-SHREDDER Foroneyearfromthedateofpurchase,whenthisCraftsmanChipper-Shredderismaintained,lubricatedand tunedupaccordingtotheinstructionsintheownersmanual,Searswillrepair,freeofcharge,anydefectin materialandworkmanship IfthisCraftsmanChipper-Shredderisusedforcommercialorrentalpurposes,thiswarrantyappliesforonly30 daysfromthedateofpurchase. Thiswarrantydoesnotcover: ®Expendableitemswhichbecomewornduringnormaluse,suchasblades,chipperblades,flails,aircleaners, sparkplugsandcatcherbags eRepairsnecessarybecauseofoperatorabuseornegligence,includingbentcrankshaftsandthefailureto maintaintheequipmentaccordingtotheinstructionscontainedintheownersmanual, WARRANTYSERVICEISAVAILABLEBYRETURNINGTHECRAFTSMANCHIPPER-SHREDDERTOTHE NEARESTSEARSSERVICECENTER/DEPARTMENTINTHEUNITEDSTATESTHISWARRANTY APPLIESONLYWHILETHISPRODUCTISINUSEiNTHEUNITEDSTATES Thiswarrantygivesyouspecificlegalrights,andyoumayalsohaveotherrightswhichmayvaryfromstateto state. SEARS,ROEBUCKANDCO.D/817WA,HoffmanEstates,IL60195
TABLEOFCONTENTS SAFETYRULES.......................................................................2 PRODUCTSPECIFICATIONS.....................................3 WARRANTY.........................................................................................3 INDEX.........................................................................................4 ASSEMBLY....................................................................5-7 OPERATION.....................................................................7-10 CUSTOMERRESPONSIBILITIES..........................11,12 STORAGE.............................................................................13 SERVICEANDADJUSTMENT..............................13-15 TROUBLESHOOTING...........................................................16 PARTSORDERING/SERVICE......................................16 REPAIRPARTS--CHIPPER-SHREDDER........17,18 REPAIRPARTS--ENGINE......................................19-23 HNDEX A Adjustments: Carburetor.................................................................................15 EngineSpeed...................................................................15 AssemblyInstructions: CatcherBag.............................................................................6 ChuteCrankDeflector............................................................6 HopperAssembly.......................................................6 CatcherBag.......................................................6,7 C CatcherBag...................................................................6,7 Controls..........................................................................7 CustomerResponsibilities................................3,11,12 E Engine: Maintenance...................................................11,12 Starting..............................................................................10 Stopping.................................................................................8 Storage...................................................................................13 F Fuel......................................................................................................9 L Lubrication...............................................................11 M Maintenance: Agreement.......................................................................................3 Schedule.........................................................11 Engine.......................................................................11,12 Chipper-Shredder.........................................................................11 O Oil..............................................................................................9 OperatingTips.................................................................................8 R Repair/ReplacementParts.........................................17-23 Responsibilities,Customer.....................................3,11-13 S SafetyRules....................................................................2 Sharpening.....................................................................14,15 ServiceRecommendations..............................................11 SparkPlug.......................................................................12 Specifications......................................................................3 Storage......................................................................................13 T TableofContents..............................................................4 TroubleShooting...............................................................16 U Unclogging...............................................................13,14 Unpacking......................................................................................5 W Warranty..........................................................................3 4
£ ASSEMBLYmNSTRUCTmONS IMPORTANT:ThisunitisshippedWITHOUTGASO_ LINEorOILAfterassembly,seeoperationsectionof thismanualforproperfuelandengineoilrecommen- dation& NOTE:Todeterminerightandlefthandsidesofyour ...Fla.t-_/-,f__chipper-shredder,standbehindandfacethehopper 5_l_Sl]el_k_,,,.._)(engineisatthefrontoftheunit) •__Yourchipper-shredderhasbeencompletelyassem- IIIbledatthefactory,exceptforthehopperassembly II_(hopperhoodandupperleaframpsectionhavebeen IIIsub-assembled),upperguideassembly,chutedeflec- !]_torandthecatcherbagThehardwarepackandsafe- Itl._tyglassesarealsoincludedinthecarton I][/_.__]-
Spacers Hinge) Housing Assembly HexLock- Nut Hand Chute Deflector FIGURE2. Stop Washer Upper Guide ReleaseAssembly Bar Frame FIGURE3. HopperPivot Door ASSEMBLETHIS TRUSSSCREW ANDNUTFIRST Bar 8-3/8Long FlatWasher HexLockNut Hopl:Assembly Jper Guide Assembly pper Leaf Ramp Section RemoveTruss ScrewandNut FIGURE4. ,Drawstring ./ Plunger FIGURE5. HOWTOSET-UPYOURCHIPPER-SHREDCER MAKECERTAINTHESPARKPLUG WIREISDISCONNECTEDANDMOVED AWAYFROMTHESPARKPLUG BEFOREASSEMBLINGTHECHIPPER- SHREDDER. _-AI-rACHINGTHECHUTEDEFLECTOR eRemovethehandknobsandcuppedwashersfrom eachsideofthedischargeopeningontheleftside ofthechipper-shredder eRemovehexlocknut,twospacersandhexbolt frominsidethehingeontopofthehousingassem- blyDonotremoveonespacerfromthehexbolt ePlacethechutedeflectorinpositiononthedis- chargeopeningInserthexboltandspacerthrough hingeonchutedeflectorandhousing(spacerfits insideofhinge).Seefigure2. ®Placesecondspaceroverhexbolt,insideother partofhinge.SecurewithhexlocknuLTighten securely. eSecurebothsidesofchutedeflectortohousing usinghandknobsandcuppedwashers(cuppedside ofwashersgoagainstchutedeflector) -
eToattachthebag,placetheopeningofthebag overthechutedeflectorsoitcompletelycoversthe chuteopening.Depresstheplungeronthedraw- string,andpullonthedrawstringuntilthebagis tightaroundthechuteopening.Releaseplungerto lockitintopositionSeefigure5, OPERATnON KNOWYOURCHIPPER-SHREDDER READTHISOWNERSMANUALANDSAFETYRULESBEFOREOPERATINGYOURCHIPPER-SHREDDER_ Comparetheillustrationswithyourchipper-shreddertofamiliarizeyourselfwiththelocationofvariouscontrols andadjustmentsSavethismanualforfuturereference Engine Switch Choke Lever. Starter Handle Hopper Assembl Chipper Chute OilFill Dipstic Fuel Tank Chute Deflector Release Bar Bag FIGURE6--Model247.795861Shown. MEETSANSISAFETYSTANDARDS Searschipper-shreddersconformtothesafetystandardB716-1982oftheAmericanNationalStandardsInstitute OPERATINGCONTROLS(Seefigure6) RELEASEBAR--Usedtoreleasethehopperwhen raisingorlowering CHOKELEVER--Usedtoenrichthefuelmixturein thecarburetorwhenstartingacoldengine. STARTERHANDLE--Usedtomanuallystartthe engine, ENGINESHUT-OFFSWITCH--Usedtostopthe engine. FUELSHUT-OFFVALVE--Usedtostoptheflowof fuelintothecarburetor(locatedbeneaththefuel tank) BEFOREUSINGYOURCHIPPER-SHREDDER,AGAINREFERTOTHESAFETYRULESASSHOWNON PAGE2OFTHISMANUALALWAYSBECAREFUL, Theoperationofanychipper-shreddercanresultinforeignobjectsbeingthrowninto theeyes,whichcanresultinsevereeyedamageAlwayswearthesafetyglassespro- videdwiththechipper-shredderoreyeshieldsbeforechippingorshredding,orwhile performinganyadjustmentsorrepairs.WerecommendWideVisionSafetyMaskfor overspectaclesorstandardglassesavailableatSearsRetailorCatalogStores
TOSTOPENGINE •Moveengineshut-offswitchtoOFFpositionSee figure6 •Disconnectsparkplugwireandmoveawayfrom sparkplugtopreventaccidentalstartingwhile equipmentisunattended. eClosefuelshut-offvalvewhenequipmentisnotin usetopreventfuelleakage. Hopper Assembly NoLargerThan 1/2Diameter Recommended) (Maximum) \ HOWTOUSEYOURCHIPPER-SHREDDER Donotattempttoshredorchipanymaterialother thanvegetationfoundinanormalyard(i..e,branches, leaves,twigs,etc.) WARNING:THECHIPPER-SHREDDER DISCHARGESMATERIALSWITHCON- SIDERABLEVELOCITY,KEEPAWAY FROMTHEAREAAROUNDTHECHUTE DEFLECTOR,ALWAYSSTOPTHE ENGINEANDDISCONNECTTHESPARK PLUGWIREWHENREMOVINGOR AI-rACHINGTHEBAGWHENCHANGING CONTAINERSORWHENREMOVINGTHE SHREDDEDMATERIAL.WEARSAFETY GLASSESANDGLOVESWHENEVER USINGYOURCHIPPER-SHREDDER. Thechipper-shredderisdesignedforthreedifferent methodsofoperation. eLeavesandsmallbranchesupto1/2diameter (recommended)or1diameter(maximum)canbe fedintothehopperassemblywhenitisinthe raisedposition.Seefigure7Ifitbecomesneces- sarytopushmaterialintothechipper-shredder, useasmalldiameterstick--NOTYOURHANDS. Thestickshouldbesmallenoughthatitwillbe groundupifgetsintotheimpellerassembly WARNING:DONOTPUTMATERIAL LARGERTHAN1/2INDIAMETER(REC- OMMENDED)or1DIAMETER(MAXI- MUM)INTOTHEHOPPERASSEMBLY. MATERIALUPTOAMAXIMUMOF3IN DIAMETERMATERIALMAYBEFED INTOTHECHIPPERCHUTE.DONOT ATTEMPTTOSHREDORCHIPANY MATERIALLARGERTHAN3INDIAME- TERoPERSONALINJURYORDAMAGE 1OTHEMACHINECOULDRESULT. FIGURE7. ®Leavesandsmalltwigscanberakedintothehop- perassemblywhenthehopperassemblyislow- eredtotheground.Seefigure8Smallbranches upto1/2diameter(recommended)or1diam- eter(maximum)canalsobefedintothehopper assemblyinthispositionSeefigure9 \ FIGURE8. NoLargerThan 1/2Diameter (Recommended) Or1Diameter (Maximum) FIGURE9.
®Tolowerthehopperassembly,useonehandto graspthehandleatthetopofthehopperassembly andliftslightlyPulluponthereleasebar,and lowerthehopperassemblytothegroundRelease thebar_Seefigure10 Hopper 5/Release Bar FIGURE10. eBulkymaterial,suchasstalksorheavybranches, upto3indiameter,shouldbefedintothechipper chuteSeefigure11 WARNING:MAKECERTAINTHECHIP- PERCHUTEDOORISCLOSEDWHEN NOTINUSE. 3Maximum ipper Chute Oil Drair FIGURE11. IMPORTANT:Thereisaflailscreenlocatedinside thehousinginthedischargeareaIftheflailscreen becomesclogged,removeandcleanasinstructedin theServiceandAdjustmentssection_Forbestper- formance,itisimportanttokeeptheshreddingblade andthechipperbladessharpIfthecompositionof thematerialbeingdischargedchanges(becomes stringy,etc)oriftherateatwhichthematerialisdis- chargedslowsdownconsiderably,itislikelythatthe shreddingbladeand/orchipperbladesaredulland needtobesharpenedorreplacedRefertoService andAdjustmentssection. GASANDOILFiLL-UP OIL OnlyusehighqualitydetergentoilratedwithAPIser- viceclassificationSGSelecttheoilsviscositygrade accordingtoyourexpectedoperatingtemperature. Colder
Checkthefuellevelperiodicallytoavoidrunningout ofgasolinewhileoperatingthechipper-shredder.If theunitrunsoutofgasasitisshreddingorchipping, itmaybenecessarytounclogtheunitbeforeitcanbe restarted.RefertoRemovingtheFlailScreenin SERVICEANDADJUSTMENTsection WARNING:EXPERIENCEINDICATESTHATALCO- HOLBLENDEDFUELS(CALLEDGASOHOLOR USINGETHANOLORMETHANOL)CANATTRACT MOISTUREWHICHLEADSTOSEPARATIONAND FORMATIONOFACIDSDURINGSTORAGE. ACIDICGASCANDAMAGETHEFUELSYSTEM OFANENGINEWHILEINSTORAGE.TOAVOID ENGINEPROBLEMS,THEFUELSYSTEM SHOULDBEEMPTIEDORTREATEDWITHFUEL STABILIZERBEFORESTORAGEFOR30DAYS ORLONGER.USEFRESHFUELNEXTSEASON. SEESTORAGESECTIONFORADDITIONAL INFORMATION. NEVERUSEENGINEORCARBURETORCLEAN- ERPRODUCTSINTHEFUELTANKORPERMA- NENTDAMAGEMAYOCCUR. SparkPlug, WireandBoot Muffler Starter Handle \4\\ FIGURE13. ®Attachsparkplugwireandrubberboottospark plugifnecessary.Seefigure13. eOpenfuelshut-oftvalvebyturningindirectionof arrowseveralturns.Seefigure14 ®MovechokeleverdowntoCHOKEposition ePlacetheengineshut*offswitchinONposition Seefigure14 ®Graspstarterhandle(seefigure13)andpullrope outslowlyuntilenginereachesstartofcompres- sioncycle(ropewillpullslightlyharderatthis point)Lettheroperewindslowly NOTE:Anoisewillbeheardwhenfindingthestartof thecompressioncycle.Thisnoiseiscausedbythe flailsandfingerswhicharepartoftheshreddingmech- anismfallingintoplace,andshouldbeexpectedIn addition,theflailsandfingerswillbenoisyafterthe engineisstarted,untiltheimpellerreachesfullspeed ePullropewitharapid,continuous,fullarmstroke KeepafirmgriponstarthandleLetroperewind slowly.Donotletstarterhandlesnapbackagainst starter eRepeatprecedingtwoinstructionsuntilengine fires.Whenenginestarts,movechokeleveron enginehalfwaybetweenCHOKEandRUN. NOTE:Ifenginedoesnotfireafterthreeattempts, movechokeleverhalfwaybetweenCHOKEandRUN positionandtryagain.Seefigure14. FuelShut=Off Valve To .°o Choke ChokeLever EngineShut-Off Switch FIGURE14. TOSTARTENGINE _WARNING:BESURENOONEOTHER THANTHEOPERATORiSSTANDING NEARTHECHIPPER-SHREDDERWHILE STARTINGOROPERATING.DONOT OPERATETHISCHIPPER-SHREDDER UNLESSTHECHUTEDEFLECTORHAS BEENPROPERLYINSTALLEDANDIS SECUREDWITHTHEHANDKNOBS. 10 TOSTOPENGINE eMoveengineshut-oftswitchtoOFFpositionSee figure14. ®Disconnectsparkplugwireandmoveawayfrom sparkplugtopreventaccidentalstartingwhile equipmentisunattended ®Closefuelshut-offvalvewhenequipmentisnotin usetopreventfuelleakage.