Craftsman 50 Hp Snow Thrower Owners Manual
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IMPORTANTMANUALDONOTTHROWAWAY OWNERS MANUAL MODELNO. 536.886540 Caution: ReadandFollow AllSafetyRules andInstructions BeforeOperating ThisEquipment 5HORSEPOWER 22DUALSTAGE SNOWTHROWER 120V.ELECTRICSTART ® ®Assembly OOperation OCustomerResponsibilities •ServiceandAdjustments ®RepairParts SEARS,ROEBUCKANDCO.,HoffmanEstates,IL60179U.S.A.
SAFETYRULES &CAUTION:ALWAYSDISCONNECTSPARKPLUGWIREAND& PLACEWIREWHEREITCANNOTCONTACTSPARKPLUG TOPREVENTACCIDENTALSTARTINGWHENSETTING-UP, TRANSPORTING,ADJUSTINGORMAKINGREPAIRS. IMPORTANT SAFETYSTANDARDSREQUIREOPERATORPRESENCECONTROLSTOMINIMIZETHE RISKOFINJURY..YOURSNOWTHROWERISEQUIPPEDWITHSUCHCONTROLS.DONOT ATTEMPTTODEFEATTHEFUNCTIONOFTHEOPERATORPRESENCECONTROLUNDER ANYCIRCUMSTANCES. TRAINING 1,Readtheoperatorsmanualcarefully°Be thoroughlyfamiliarwiththecontrolsandthe properuseofthesnowthrower.Knowhowto stopthesnowthroweranddisengagethe controlsquickly. 2oNeverallowchildrentooperatethesnowthrower andkeepthemawaywhileitisoperatingNever allowadultstooperatethesnowthrowerwithout properinstruction,Donotcarrypassengers. 3oKeeptheareaofoperationclearofallpersons, particularlysmallchildren,andpets. 4_Exercisecautiontoavoidslippingorfalling, especiallywhenoperatinginreverse.. PREPARATION 1.Thoroughlyinspecttheareawherethesnow throweristobeusedandremovealldoormats, sleds,boards,wires,andotherforeignobjects° 2.Disengageallclutchesandshiftintoneutral beforestartingtheengine(motor). 3.Donotoperatethesnowthrowerwithoutwearing adequatewinteroutergarments.Wearfootwear thatwillimprovefootingonslipperysurfaces. 4.Handlefuelwithcare;itishighlyflammable, (a)Useanapprovedfuelcontainer.. (b)Neverremovefueltankcaporaddfueltoa runningengineorhotengine. (c)Fillfueltankoutdoorswithextremecare.. Neverfillfueltankindoor& . (d)Replacefueltankcapsecurelyandwipeup spilledfuel., _e)Neverstorefuelorsnowthrowerwithfuelin thetankinsideofabuildingwherefumesmay reachanopenflameorspark_ (f)Checkfuelsupplybeforeeachuse,allowing spaceforexpansionastheheatoftheengine (motor)and/orsuncancausefueltoexpand. Useextensioncordsandreceptaclesasspecified bythemanufacturerforallsnowthrowerswith electricdrivemotorsorelectricstartingmotors. 6.Adjustthesnowthrowerheighttocleargravelor crushedrocksurfaces. 7,,Neverattempttomakeanyadjustmentswhilethe engine(motor)isrunning(exceptwhen specificallyrecommendedbythemanufacturer)_ 8.Letengine(motor)andsnowthroweradjustto outdoortemperaturesbeforestartingtoclear snow. 9.Alwayswearsafetyglassesoreyeshieldsduring operationorwhileperforminganadjustmentor repairtoprotecteyesfromforeignobjectsthat maybethrownfromthesnowthrower. OPERATION 1.Donotputhandsorfeetnearorunderrotating parts.Keepclearofthedischargeopeningatall times_ 2.Exerciseextremecautionwhenoperatingonor crossinggraveldrives,walks,orroads.Stayalert forhiddenhazardsortraffic. 4_ Afterstrikingaforeignobject,stoptheengine (motor),removethewirefromthesparkplug, disconnectthecordonelectricmotors, thoroughlyinspectthesnowthrowerforany damage,andrepairthedamagebeforerestarting andoperatingthesnowthrower. Ifthesnowthrowershouldstarttovibrate abnormally,stopthe(motor)andcheck immediatelyforthecause°Vibrationisgenerally awarningoftrouble. 5._Stoptheengine(motor)wheneveryouleavethe operatingposition,beforeuncloggingtheauger/ impellerhousingordischargeguide,andwhen makinganyrepairs,adjustments,orinspections. 6.Whencleaning,repairing,orinspecting,make certaintheauger/impellerandallmovingparts havestopped_Disconnectthesparkplugwire andkeepthewireawayfromtheplugtoprevent accidentalstarting. 7.Takeallpossibleprecautionswhenleavingthe snowthrowerunattended.Disengagetheauger/ impeller,shifttoneutral,stopengine,and removekey..
SAFETYRULES 8,DOnotruntheengineindoors,exceptwhenstarting theengineandfortransportingthesnowthrowerin oroutofthebuilding.Opentheoutsidedoors; exhaustfumesaredangerous(containingCARBON MONOXIDE,anODORLESSandDEADLYGAS)° 9oDonotclearsnowacrossthefaceofslopes. Exercisecautionwhenchangingdirectionon slopes.Donotattempttoclearsteepslopes_ 10.Neveroperatethesnowthrowerwithoutproper guards,platesorothersafetyprotectivedevices inplace.. 1t.Neveroperatethesnowthrowernearglass enclosures,automobiles,windowwells, drop-offs,andthelikewithourproperadjustment ofthesnowdischargeangleKeepchildrenand petsaway. 12oDonotoverloadthemachinecapacityby attemptingtoclearsnowattoofastarate. 13.Neveroperatethesnowthrowerathightransport speedsonslipperysurlaces.Lookbehindand usecarewhenbacking. 14..Neverdirectdischargeatbystandersorallow anyoneinfrontofthesnowthrower.. 15.Disengagepowertotheauger/impellerwhen snowthroweristransportedornotinuse. 16.Useonlyattachmentsandaccessoriesapproved bythemanufacturerofthesnowthrower(such astirechains,electricstartkitS,etc) 17.Neveroperatethesnowthrowerwithoutgood visibilityorlight,.Alwaysbesureotyourfooting, andkeepafirmholdonthehandlesWalk;never run.. MAINTENANCEANDSTORAGE 1..Checkshearboltsandotherboilsfrequentlyfor impropertightnesstobesurethesnowthrower isinsateworkingcondition_ 2oNeverstorethesnowthrowerwithtuelinthefuel tankinsideabuildingwhereignitionsourcesare presentsuchashotwaterandspaceheaters, clothesdryers,andthelike..Allowtheengineto cootbeforestoringinanyenclosure.. 3Alwaysrefertooperatorsmanualinstructions forimportantdetailsifthesnowthroweristobe storedtoranextendedperiod, 4oMaintainorreplacesafetyandinstructionlabels, asnecessary. 5,.Runthesnowthroweratewminutesafter throwingsnowtopreventfreeze-upoftheauger/ impeller° WARNING Thissnowthrowerisforuseonsidewalks, driveways,andothergroundlevelsurfaces. CAUTIONshouldbeexercisedwhileusingon steepslopingsurfaces.DONOTUSESNOW THROWERONSURFACESABOVEGROUND LEVELsuchasroofsofresidences,garages, porchesorothersuchstructuresorbulldingso LOOKFORTHISSYMBOLTOPOINTOUT---] _IMPORTANTSAFETYPRECAUTIONS_IT! MEANS--ATTENTION!!!BECOMEALERT!!!_ YOURSAFETYISINVOLVED_/ CAUTION: INGAUGER, _LOTH1NGAWAY! DISCHARGECHUTE! 3
CONGRATULATIONSonyourpurchaseofaSears CraftsmanSnowThrowerIthasbeendesigned,engi- neeredandmanufacturedtogiveyouthebestpossible dependabilityandperformance Shouldyouexperienceanyproblemyoucannoteasily remedy,pleasecontactyournearestSearsService Center/DepartmentSearshascompetent,wetHrained techniciansandthepropertoolstoserviceorrepairthis unil PleasereadandretainthismanualTheinstruclionswill enableyouIoassembleandmaintainyoursnowthrower ]roperly,AlwaysobservetheSAFETYRULES/ MODEL NUMBER536886540 SERIAL NUMBER DATEOF PURCHASE THEMODELANDSERIALNUMBERSWILLBE FOUNDONADECALATTACHEDTOTHEREAR OFTHESNOWTHROWERHOUSING YOUSHOULDRECORDBOTHSERIALNUMBER ANDDATEOFPURCHASEANDKEEPINASAFE PLACEFORFUTUREREFERENCE PRODUCTSPECIFICATIONS HORSEPOWER:5hp DISPLACEMENT:12.04 cu_in. GASOLINECAPACITY:2quarts Unleaded OIL(21oz.Capacity):SAE5W-30 SPARKPL.UG: (GAP.030in.) Champion RJ19LM VALVECLEARANCE: Intake:.010In, Exhaust:.010In. MAINTENANCEAGREEMENT ASearsMainlenanceAgreementisavailableonthis productContactyournearestSearsSlorefordetails CUSTOMERRESPONSIBILITIES •Readandobservethesafetyrules oFollowaregularscheduleinmaintaining,caringto_andusingyoursnowthrower •FollowtheinstructionsunderCustomerResponsibilitiesandStoragesectionsotthisownersmanual TWOYEARLIMITEDWARRANTYONCRAFTSMAN SNOWTHROWER Forlwoyearsfromthedateofpurchase,whenthisCraftsmanSnowThrowerismaintained,lubricated andtuned-upaccordingtotheinstructionsintheownersmanual,Searswillrepair,freeofcharge,any deteclinmaterialandworkmanship 1IthisCraftsmanSnowThrowerisusedIorcommercialorrenlatpurposes,thiswarrantyapplies!oronly 90daysfromthedateofpurchase Thiswarrantydoesnotcoverthefollowing: ,,Expendableilemswhichbecomewornduringnormaluse,suchassparkplugs,drivebeltsandshear pins tRepairsnecessarybecauseoloperatorabuseornegligence,includingbenlcrankshaltsandlhelailure tomaintaintheequipmentaccordingtotheinstructionscontainedintheownersmanual WARRANTYSERVICEISAVAILABLEBYRETURNINGTHECRAFTSMANSNOWTHROWERTOTHE NEARESTSEARSSERVICECENTER/DEPARTMENTINTHEUNITEDSTATESTHISWARRANTY APPLIESONLYWHtLETHISPRODUCTISINUSEINTHEUNITEDSTATES Thiswarranlygivesyouspecificlegalrights,andyoumayalsohaveotherrightswhichmayvaryfrom state!oslate, SEARS.ROEBUCKANDCODepartmentDi817WAHoflmanEstates_IL60179 4
TABLEOFCONTENTS SAFETYRULES....................................................2,3 PRODUCTSPECIFICATIONS..............................4 CUSTOMERRESPONSIBILITIES.......4,15-!7 WARRANTY.......................................................................4 TABLEOFCONTENTS.............................................5 INDEX........................................................................................5 ASSEMBLY.............................................................6-9 OPERATION...................................................10-14 SERVICEANDADJUSTMENTS..............18-24 STORAGE.....................................................25 TROUBLESHOOTING.................................26 REPAIRPARTS(SNOWTHROWER).,.28-37 REPAIRPARTS(ENGINE)....................38-42 PARTSORDERING/SERVICE..........................44 A Adjustment: Belt.....................................................................19,20 BeltGuide.................................................21 Cable.......................................................19 Carburetor..............................................23 FrictionWheel...............................2o,2I SparkPlug.....:...........................................23 TractionandAuger........................19,20 Assembly: CrankAssembly.......................................8-9 ShifterLever............................................9 SkidHeightAdjustment................7,19 Unpacking.................................................7 B Belts: AdjustBelts.....................................19,20 BettGuideAdjustment....................21 ReplaceBelts..................................20 C Cables,Ciutch..................................7,9,19 Carburetor:......................................................24 Choke.................................10,tl,13,14 Clutch,Levers.........................................1O,11 Controls: Engine....................................10,11,13,14 SnowThrower.....................................t0 Crank: AdjustingRod....................................8,18 Assembly.....................................................................8 Operation.............................................................11 CustomerResponsibilities...........4,15-17 Agreement....................................................4 AugerGearBox.....................................17 AugerShaft.........................................16 Engine................................................t7 GeneralRecommendations................16 HexShallandGears............................I7 D Drive,Auger....................................................1t Drive,Traction...........................................11 Deflector,SnowChute.............................11 E Engine: Control................................10,11,I3,14 OilCap....................................................12,t7 OilChange..................._................16 OilLevel.......................:_....................12,17 OitType.................................................4,12,17 SpeedGovernor........................................26 Starling,Electrically.........................13 Starling,Manually..................................t4 Storage...................................................25 INDEX F Fuel,Type......................................................4,12 Fuel,Storage.................................!2,25 FrictionWheel: Adjustment.............................................21 Replacement........................................22 G Gears: AugerGearBox...............................I7 HexShaft..................................................17 H Handle,UpperandLower........................7 HeightAdjustSkids..........................7,18 HexShaft........................................................t7 I Ignition,Key....................10,11,I3,14 Index.........................................................5 L Levers: AugerDriveCtutch.............7,10,tl,19 Choke................................!0,tl,13,14 Shifter..............................................9,10,11 ThrottleControl..................I0,t1,I3,t4 TractionDriveClutch....7,10,!I,19 Lubrication: AugerGearBox......................................17 AugerShaft................................................16 DiscDrivePlate...........................................16 Engine.......................................12,17,25 HexShaftandGears............................17 O Oil: Engine.........................................4,12,17 ExtremeColdWeather.................12,17 Storage..........................................................25 Type.....................................................4,12,17 Operation: EngineControls................10,11,13,14 OperatingSnowThrower..,tt,12,15 LockoutPin,Wheel...............................12 OperatingTips.......................................14 StarlingtheEngine,Electric...............t3 StartingtheEngine,Recoil.................14 SnowThrowerControls....................10-12 P Paris..............................................................28-42 PrimerButton.............................10,1t,13 R Repair/ReplacementParts............28-42 RecoilStarter.....................................13 Replacements: 5 AugerShearBolt...................................23 Belts..................................................19,20 FrictionWheel................................21,22 S SafetyRules.................................................2,3 ServiceandAdjustments: AugerHousingHeight..................7,18 AugerShearBolt.......................................23 Belts.........................................................19-20 BeltGuide..................................................21 BeltReplacements...............................20 Cable...................................................7,9,19 Carburetor...............................13,23,25 FrictionWheel............................21,22 SparkPlug.......................................24 ServiceRecommendations.................25 SparkPlug...........................................17,24 Specifications..................................................4 SpeedGovernor.............................23 StartingtheEngine: RecoilStart...............................................13 StoppingtheEngine......................13,14 StoppingtheSnowThrower................11 ShippingCarton............................6,7 SkidHeight...................................7,18 ShifterLever...........................................9-11 ShearBolts......................................23 Storage.................................................25 T TableofContents....................................5 TroubleShootingChart..........................26 ToolsforAssembly...............................6 TractionDriveBelt..................19,20 TirePressure.................................18 W Warranty.........................................................4 Wheel,LockoutPin............................t2
CONTENrsOFHAR CONTENTSOFPARTSBAG *2-SpareShearBolts (1/4-20xI-3/4In) REPACK D@ 2-SpareSpacers 1-KnobWithThreads(notshownactua!size) *2-Spare1/4-20Locknuts 1_Ownersmanua!(notshown actualsize) 1-StarterMotorCord(not shownac_ua_size) Non-AssemblyParts, Partspackedseparatelyincarton(notshownfullsize) q I l r I 1-PartsBag t-CrankAssembly I I-5W30containeroil 2-IgnitionKeys(Attachedtoengineinplasticbag) 6
ASS TOOLSREQUIREDFORASSEMBLY 1-Knife(tocutcartonandplasticties) 2-1/2inchwrenches(oradjustablewrenches) 2-9/16inchwrenches(oradjustablewrenches) 2-3/4inchwrenches(oradjustablewrenches) 1-P_iers(tospreadcotterpin) 1-Screwdriver 1-MeasuringTapeorRuler Figure1showsthesnowthrowerintheshippingposition., Figure2showsthesnowthrowercompletelyassembled. Referencetotherightandlefthandsideofthesnow throwerisfromtheoperatorspositionatthehandle, TOREMOVESNOWTHROWER FROMCARTON(SeeFig.1) ®Locateandremovecontainerof5W30oil ® ® ® ® Locatethecrankassemblyandplacetheassembly aside Removeanddiscardthepackingmaterialfromaround snowthrower. Cutallfourcornersofthecartonfromtoptobottom andlaythepanelsfiat, Cuttiessecuringtheclutchcontrolcablestothelower handleandlaycablesbackawayfromthemotor frame ®Rollthesnowthroweroffthecartonbypullingonthe lowerhandle,,CAUTION:DONOTbackovercable ®Tocompleteupperhandleinstallationandinstall chutecrankassembly,seeToInstallTheUpper HandleandCrankAssemblyparagraphonpage8 NOTE:Ifthecableshavebecomedisconnectedfromthe clutchlevers,reinstallthecablesasshowninFig3and Fig,3A,, 4LGFREE STATE3LGFREE STATE TRACTION_/,qAUGER DRIVE,.t_,/H--DRIVE [r% DRIVEll_/_--$_L_.4DR_VE SPRING__IfSPRING LEVER°ABLE FIG.3A ,_CAUTION:IFYOUAREREMOVING SNOWFROMANYGRAVELEDORUN- EVENSURFACE,RAISETHEFRONTOF THESNOWTHROWERBYMOVINGTHE SKIDSDOWN°THISWILLHELPTOPREVEN_ STONESANDOTHERDEBRISFROMBEING PICKEDUPANDTHROWNBYTHEAUGER. LY iiiii,iii LOWEF SHIFTER PLATE UPPER AUGERDRIVE LEVER SHIFTER LEVER CHUTE DEFLECTOR HEIGHTADJUST SKID ZFITTING HANDLE ASSEMBLY FIG.1 TRACTIONDRIVE LEVER FIG.2 FION DRIVE LEVER FIG.3 7
ASSEMBLV HOWTOSETUPYOURSNOW THROWER @Yoursnowthrowerisequippedwithheightadjust skids(SeeFig2)ontheoutsideoftheauger housing,Toadjusttheskidheightfordifferent conditions,seeToAdjustSkidHeightparagraphon page18, TOINSTALLTHEUPPERHANDLE ANDCRANKASSEMBLY •Removethescrews,flatwashers,Iockwashers,and hexnutssecuringtheshifterplateinthelowerholes ofthetowerhandleandmoveshiftleverto3rdgear (SeeFig4A) •Loosen,butdonotremove,thescrews,flatwashers, Iockwashers,andhexnutsintheupperholesofthe lowerhandle IRaiseupperhandleintooperatingpositionUpper handleshouldbetotheoutsideofthelowerhandle andshifterplatetotheinside IReplacetherighthandscrew,flatwasher,iockwasher, andhexnutthroughthehandleandshifterplateDo nottightenuntilallboltsareinplace. NOTE:Unlessyouhavetheassistanceofanotherper- son,itmaybeeasiertoinstallonesideofthehandleata time iRemovethe3/8nylonIocknutandflatwasherfrom theeyeboltassembly(onthechutecrankassembly removedearlier).Checktomakesurethetwo3/8 jamnutsaretightThejamnutsshouldbe275inches fromtheendo{theeyebolt(SeeFig4B) •Removetheplasticbag,theplasticcap,thecotterpin andthewasherfromthecrankassemblyandset aside(SeeFig5) IRotatethenotchedsectionofthedischargechute towardthecrank-adjustingrod(SeeFig,5), @Installthewormedendofthecrankthroughthehole intheadjustingrodandsecuretheendwiththe flatwasherandcotterpin,asshowninFig5 @Bendtheendsofthecotterpinaroundtherodand reinstalltheplasticcap. •installeyeboltthroughlowerholeinthelefthandside ofthehandleandshifterplate(SeeFig4B) Iinstallthe3/8tlatwasherandthe3/8nylonIocknut looselyontheeyeboltasshowninFig4B ITightennutoneyeboftinstalledearlier,keepingeye inlinewiththerodwhiletighteningtheinsidese- curely iTightenthescrew,flatwasher,lockwasherandhex nutatthetowerrighthandhole(SeeFig4A) 5/16 LOCKWASHER UPPER HANDLE_, UPPER 11f32FLATWASHER X2-3/4 PLATE FIG4A ADJUSTNUTSTO MOVEEYEBOLTIN OUT EYE BOLT BOOT 318 FLATWASHER FIGo4B NYLON LOCKNUT 3/84 FLATWASHER ADAPTER PLAST,C\\.NOTC.E{ SECTiON CAPCOTTERtt,,,,_t18 -PiNINCHCLEARANCE__,,_ FLAL
ASSE LY @Rotatethechutecrankfullyclockwiseandfully counter-clockwise.Thedischargechuteshouldro- tatefullywithapproximately1/8inchclearancebe- tweenthewormandthebottomofthenotch(SeeFig. 5) ®Ifthechutecrankneedstobeadjusted,gotolhe ServiceandAdjustmentssectiononpage18.Screws securingchuteclipsatthebaseofthechuteshould beslightlylooseforeasyrotation. NOTE:Besurethecrankdoesnottouchthesideofthe engineorthecoverwillbescratched TOINSTALLSHIFTERLEVERKNOB ® Threadtheshifterleverknobontothethreadedend oftheshifterleveruntilitissnugagainstthehexnut andthelipispointedtowardIheengine.Tightenthe hexnutagainstthebottomoftheshiftleverknob(See Fig.6).. SHIFTERKNOB LEVER FIG.6 TOCHECK/ADJUSTCLUTCH CONTROLCABLES Thecontrolcables,Fig.7,attachedtotheaugerclutch leverandtractionclutchlevermayneedtobeadjusted beforeyouuseyoursnowthrower. Forinstructionsoncheckingoradjustingthecontrol cabies,seeToAdjustClutchContro_Cablesparagraphon page19. TRACTIONCLUTCHLEVER AUGERCLUTCHLEVER CONTROLCABLES FIG.7 4CHECKLIST BEFOREYOUOPERATEANDENJOYYOURNEW SNOWTHROWER,WEWISHTOASSURETHATYOU RECEIVETHEBESTPERFORMANCEAND SATISFACTIONFROMTHISQUALt7-YPRODUCT PLEASEREVIEWTHEFOLLOWINGCHECKLIST: ,lA_Iassemblyinstructionshavebeencompleted /Thedischargechuterotatesfreely /Noremainingloosepartsincarton WHILELEARNINGHOWTOUSEYOURSNOW THROWER,PAYEXTRAATTENTIONTOTHE FOLLOWINGIMPORTANTITEMS /,/Engineoilisatproperlevel /4Makesuregastankisfilledproperlywithclean,fresh, unleadedgasoline, v/Becomefamiliarwithallcontrols-their]ocationand functionOperatecontrolsbeforestartingengine 9
u,l/, OPERATION KNOWYOURSNOWTHROWER READTHISOWNERSMANUALANDSAFETYRULESBEFOREOPERATINGYOURSNOW THROWER_Comparetheillustrationswithyoursnowthrowertofamiliarizeyourselfwiththelocationofvarious controlsandadjustments.Savethismanualforfuturereference, TRACTIONDRIVE LEVERLEVER SPEEDSHIFTER LEVER CHUTEDEFLECTOR --.. CRANK ASSEMBLY DISCHARGE, CHUTE KEY IMERBUTTON STARTER STARTER HANDLE CHOKECONTROL THROTTLECONTROL SCRAPERBAR ADJUSTSKIDS FIG.8 SEARSSNOWTHROWERSconformtothesafetystandardsoftheAmericanNationalStandardsInstitute,B71,,3-1984 AUGERDRtVELEVER*Startsandstopstheaugerand impeller(snowgatheringandthrowing), TRACTIONDRIVELEVER-Propelsthesnowthrower forwardandinreverse SPEEDSHIFTERLEVER-Selectsthespeedolthe snowthrower(6speedsforwardand2speedsreverse). CRANKASSEMBLY-Changesthedirectionofsnow throwingthroughthedischargechute CHUTEDEFLECTOR-Changesthedistancethesnow isthrown,_ DISCHARGECHUTE-Changesthedirectionthesnow isthrown HEIGHTADJUSTSKIDS-Adjuststhegroundclearance oftheaugerhousing. IGNITIONKEY-Mustbeinsertedtostarttheengine, RECOILSTARTERHANDLE-Startstheenginemanu- ally CHOKECONTROL-Usedtostartacoldengine PRIMERBUTTON-injeclsfueldirectiyintothecarbure- tormanifoldforfaststartsincoldweather THROTt-LECONTROL-Controlstheenginespeed 10