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Craftsman 50 Hp Snow Thrower Owners Manual

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    OPETlO 
    Theoperationofanysnowthrowercanresultinforeignobjectsbeingthrownintothe 
    eyes,whichcanresultinsevereeyedamageAlwayswearsafetyglassesoreye 
    shieldswhileoperatingthesnowthrower. 
    WerecommendstandardsafetyglassesavailableatSEARSRetailStoresor 
    ServiceCenters. 
    HOWTOUSEYOURSNOW 
    THROWER 
    TOSTOPYOURSNOWTHROWER 
    @Tostopthrowingsnow,releasetheaugerdrivelever 
    (SeeFig°11). 
    @Tostopthetractiondrive,releasethetractiondrive 
    lever.(SeeFigure1!) 
    ®Tostoptheengine,pushthethrottlecontrolleverto 
    STOPandpullouttheignitionkey(SeeFig10) 
    NOTE:DONOTturnkey. 
    TOCONTROLSNOWDISCHARGE 
    •Turnthecrankassemblytosetthedirectionofthe 
    snowthrowing 
    OLoosenthewingknobonthechutedeflectorand 
    movethedeflectortosetthedistance.Movethe 
    deflectorUPformoredistance,DOWNforless 
    distance°Thentightenthewingknob(Fig9). 
    TOMOVEFORWARDANDBACKWARD 
    0Toshilt,releasethetractiondriveleverandmove 
    thespeedshifterlevertothespeedyoudesire. 
    Groundspeedisdeterminedbysnowconditions. 
    Selectthespeedyoudesirebymovingthespeed 
    shifterleverleftintotheappropriatenotchonthe 
    shiftleverplate: 
    Speeds1,2_Wet,Heavy,ExtraDeep 
    Speed3-Light 
    Speed4-VeryLight 
    Speeds5,6-Transportonly 
    OEngagethetractiondrivelever(SeeFig.11,teft 
    hand),Asthesnowthrowerstartstomove,maintain 
    afirmholdonthehandles,andguidethesnow 
    throweralongtheclearingpathDonotattemptto 
    pushthesnowthrower 
    ®Tomovethesnowthrowerbackward,movethe 
    speedshifterleverrightintofirstorsecondreverse 
    andengagethetractiondrivelever(lefthand) 
    IMPORTANT:NEVERMOVETHESPEEDSHIFTER 
    LEVERWHILETHETRACTION 
    LEVERISDOWN 
    TOTHROWSNOW 
    OPushdowntheaugerdrivelever(SeeFig11,right 
    hand) 
    OReleasetostopthrowingsnow 
    11 WINGKNOB 
    PRIMERBUTTON 
    \ FIG,9 
    ELECTRIC 
    BUTTON 
    CONTROL 
    / 
    THROTTLE 
    CONTROL 
    FIG,10 STARTER 
    HANDLE 
    TRACTIONDRIVE 
    LEVER 
    ON 
    LEFT_ 
    HAND AUGERDRIVE 
    LEVER 
    FIG.11 
    CAUTION:READOWNERSMANUAL 
    BEFOREOPERATINGMACHINE. 
    NEVERDIRECTDISCHARGETOWARD 
    BYSTANDERS_STOPTHEENGINEBE-, 
    FOREUNCLOGGINGDISCHARGE 
    CHUTEORAUGERHOUSINGANDBE- 
    FORELEAVINGTHEMACHINE,  
    						
    							  
    OPERATION 
    TOUSEWHEELLOCKOUTPIN 
    •Thelefthandwheelissecuredtotheaxlewithaklick 
    pin(SeeFig.,12A),Thisunitwasshippedwiththis 
    klickpininthelocked(throughwheelhole)position 
    •Foreaseofmaneuverabilityinlightsnowconditions, 
    disconnecttheklickpinfromthewheellockedposition 
    andpushintothesinglewheeldrive(unFockedaxle 
    holeonly)position(SeeFig,12B) 
    •Makesurethattheklickpinisinthesinglewheel 
    drivepositionoftheaxleonlyandnotthroughthe 
    lockedposition 
    BEFORESTARTINGTHEENGINE 
    •Ifthesnowthrowermustbemovedwithouttheaidof 
    theengine,itiseasiertoputlthesnowthrowerbythe 
    handlesratherthanpushing 
    IIBeforeyouserviceorstarttheengine,familiarize 
    yourselfwiththesnowthrower,Besureyou 
    understandthefunctionandlocationofallcontrols 
    NOTE:Checktensionofclutchcablesbeforestartingthe 
    engine(SeeToAdjustTheControlCablesparagraphon 
    page19), 
    •Besurethatallfastenersaretight 
    •Makesuretheheightadjustskidsareproperly 
    adjusted(SeeToAdjustSkidHeightparagraphon 
    page18), 
    •Checktirepressure(14to17pounds)Seesideof 
    tireformaximuminflationDonotexceedmaximum 
    pressure 
    FILLOIL: 
    Thissnowthrowerwasshippedwithacontainerof 
    5W30oilThisoilmustbeaddedtotileenginebefore 
    operatingRemovetheoilfillcap!dipstickandfillthe 
    crankcasetoFULLlineondipstick(21ounces)(SeeFig 
    14) 
    NOTE:Enginemayalreadycontainsomeresidual 
    oilCheckfrequentlywhenfillingthecrankcase,Do 
    notover.fill 
    Tightenthefillcap/dipsticksecurelyeachtimeyoucheck 
    theoillevel 
    NOTE:Oilmustbechangedafterthefirst2hoursof 
    operationtoextendenginelife 
    Forextremecordoperatingconditionsof0°Fandbelow, 
    useapartialsynthetic0W30motoroilforeasierstarting. 
    FILLGAS: 
    Fillthefueltankwithclean,fresh,unleadedgrade 
    automotivegasolineBesurethatthecontaineryoupour 
    thegasolinefromiscleanandfreefromrustorother 
    foreignparticles,Neverusegasolinethatmaybestale 
    fromlongperiodsofstorageinthecontainer 
    12 KLICKPIN LOCKED 
    POSITION 
    2-WHEELDRIVE 
    FIG.12A 
    KUCKPIN 
    UNLOCKED 
    POSITION 
    SINGLEWHEELDRIVE 
    FIG+12B 
    OILFILLCAPID|PSTICK 
    NOTE:OILLEVELMUST 
    BEBETWEENFULL 
    ANDADDMARK 
    FIG.13 
    WARNING:Experienceindicatesthatalcoholblended 
    fuels(calledgasohotorthoseusingethanolormethanol) 
    canattractmoisturewhichleadstoseparationandforma- 
    tionofacidsduringstoragethefuelsyslemofanengine 
    whileinstorageAcidicgascarldamagethefuelsystem 
    ofanenginewhileinstorage, 
    Toavoidengineproblems,thefuelsystemshouldbe 
    emptiedbeforestoragefor30daysorlonger,Startthe 
    engineandletitrununtilthefuellinesandcarburetorare 
    emptyUsethecarburetorbowldraintoemptyresidual 
    gasolinefromthefloatchamber(Fig,37,page25)Use 
    freshfuelnextseason(SeeStorageinstructionson 
    page25foradditionalinformation,) 
    Neveruseengineorcarburetorcleanerproductsinthe 
    fueltankorpermanentdamagemayoccur  
    						
    							  
    TOSTOPENGINE OE 
    OTostopengine,movethethrottlecontrolleverto 
    STOPpositionandremovekey.Keepthekeyina 
    safeplace.Theenginewillnotstartwithoutthekey. 
    TOSTARTENGINE(ElectricStarter) 
    BesurethattheenginehassufficientoilThesnow 
    throwerengineJsequippedwitha120vollAC.electric 
    starterandrecoilstarter_.Beforestartingtheengine,be 
    certainthatyouhavereadthefollowingintormatfon: 
    COLDSTART(SeeFig.14) 
    •Besuretheaugerdriveandtractiondriveleversare 
    inthedisengagedRELEASEDposition. ATION 
    PRIMERELECTRIC 
    CHOKEBUTTON 
    CONTROL 
    BUTTON 
    IGNITIONRECOIL 
    KEYSTARTER 
    THROTTLECONTROL 
    @MovethethrottlecontroltoRUNposition 
    ORemovethekeysfromtheplasticbag.Insertone 
    keyintotheignitionslotBesureitsnapsintoplace 
    DONOTTURNKEYKeepthesecondkeyinasafe 
    place 
    @RotatethechokeknobtoFULLchokeposition 
    OConnectthepowercordtotheswitchboxonthe 
    engine. 
    OPlugtheolherendofthepowercordintoathree- 
    hole,grounded120voltA.C.receptacle. 
    OPushtheprimerbuttonwhilecoveringtheventhole 
    asfollows:(Removefingerfromprimerbutton 
    betweenprimes). 
    Donotprimeiftemperatureisabove50°F 
    Twotimesiftemperatureis50°Fto15°F. 
    Fourtimesiftemperatureisbelow15°F. 
    @Pushdownonthestarterbuttonuntiltheengine 
    starts..Donotcrankformorethan10secondsata 
    time.,ThiselectricstarteristhermallyprotectedI1 
    overheateditwillstopaulomaticallyandcanbe 
    restartedonlywhenithascooledtoasafe 
    temperature(awaitofabout5to10minutesis 
    required). FIGo14 
    _AUTION:GASOLINEISFLAMMABLE  ANDCAUTIONMUSTBEUSEDWHEN 
    HANDLINGORSTORINGIT, 
    DONOTFILLFUELTANKWHILESNOW 
    THROWERISRUNNING,WHENITISHOT,OR 
    WHENSNOWTHROWERISINANENCLOSED 
    AREA, 
    KEEPAWAYFROMOPENFLAMEORANELEC- 
    TRICALSPARKANDDONOTSMOKEWHILE 
    FILLINGTHEFUELTANK, 
    NEVERFILLTHETANKCOMPLETELY,FILL 
    THETANKTOWlTHIN1/4-1f2FROMTHETOP 
    TOPROVIDESPACEFOREXPANSIONOFFUEL 
    ALWAYSFILLFUELTANKOUTDOORSAND 
    USEAFUNNELORSPOUTTOPREVENTSPILL. 
    ING, 
    MAKESURETOWIPEUPANYSPILLEDFUEL 
    BEFORESTARTINGTHEENGINE, 
    STOREGASOLINEINACLEAN,APPROVED 
    CONTAINERANDKEEPTHECAPINPLACEON 
    THECONTAINER. 
    O 
    Whentheenginestarts,releasethestarterbutton 
    andslowlyrotatethechoketoOFFposition.Ifthe 
    enginefalters,rotatethechoketoFULLandthen 
    graduallytoOFF 
    •Disconnectthepowercordfromthereceptaclefirst 
    andthenfromtheswitchboxonengine,. 
    NOTE:Allowtheenginetowarmupforafewminutes 
    becausetheenginewillnotdevelopfullpoweruntilil 
    reachesoperatingtemperature 
    ORuntheengineatfufithrottleRUNwhenthrowing 
    snow, 
    13  
    						
    							  
    iiiii, 
    OPERATION 
    CAUTION:NEVERRUNENGINE 
    ,_INDOORSORINENCLOSED, 
    POORLYVENTILATEDAREAS. 
    ENGINEEXHAUSTCONTAINS 
    CARBONMONOXIDE,ANODORLESSAND 
    DEADLYGAS.KEEPHANDS,FEET,HAIRAND 
    LOOSECLOTHINGAWAYFROMANYMOVING 
    PARTSONENGINEANDSNOWTHROWER. 
    WARNING:TEMPERATUREOFMUFFLERAND 
    NEARBYAREASMAYEXCEED150°F.AVOID 
    THESEAREAS° 
    DONOTALLOWCHILDRENORYOUNGTEEN- 
    AGERSTOOPERATEORBENEARSNOW 
    THROWERWHILEITISOPERATING. 
    CAUTION:DONOTATTEMPTTORE- 
    MOVEANYITEMTHATMAYBECOME 
    LODGEDINAUGERWITHOUTTAKING 
    THEFOLLOWINGPRECAUTIONS: 
    •RELEASEAUGERDRIVEANDTRACTION 
    DRIVELEVERS. 
    •MOVETHROI3FLELEVERTOSTOPPOSI- 
    TION, 
    •REMOVE(DONOTTURN)IGNITIONKEY, 
    •DISCONNECTSPARKPLUGWIRE. 
    •DONOTPLACEYOURHANDSINTHE 
    AUGERORDISCHARGECHUTE.USEA 
    PRYBAR° 
    TOSTARTENGINE(RecoilStarter) 
    Besurethattheenginehassufficientoil.Belorestarting 
    theengine,becertainthatyouhavereadthefollowing 
    information: 
    COLDSTART(SeeFig.14) 
    •Besuretheaugerdriveandthetractiondrivelevers 
    areinthedisengagedRELEASEDposition 
    MovethethrottlecontroltoRUNposition  O 
    O 
    PullthestarterhandlerapidlyDonotallowthehandle 
    tosnapback,butallowittorewindslowlywhile 
    keepingafirmholdonthestarterhandle. 
    •Astheenginewarmsupandbeginstooperateevenly, 
    rotatethechokeknobslowlytoOFFpositionIfthe 
    enginefalters,returntoFULLchoke,thenslowly 
    movetoOFFchokeposition 
    NOTE:Allowtheenginetowarmupforafewminutes 
    becausetheenginewillnotdevelopfullpoweruntilit 
    reachesoperatingtemperature 
    •Runtheengineatorneatthetopspeedwhenthrowing 
    snow WARMSTART 
    Ifrestartingawarmenginealterashortshutdown,rotate 
    choketoOFFinsteadofFULLanddonotpushthe 
    primerbutton. 
    FROZENSTARTER 
    Ifthestarterisfrozenandwillnotturnengine: 
    @Pullasmuchropeoutofthestarteraspossible. 
    @Releasethestarterhandleandletitsnapback 
    againstthestarter. 
    Iftheenginestillfailstostart,pushtheprimerbuttontwo 
    orthreetimesagainandrepeatthetwoprevioussleps 
    untiltheenginestartsThencontinuewiththedirections 
    forcoldstart 
    Tohelppreventpossiblefreeze-upofrecoilstarterand 
    enginecontrols,proceedasfollowsaftereachsnow 
    removaljob 
    •Withtheenginerunning,pullthestarterropehard 
    withacontinuousfullarmstrokethreeorfourtimes 
    Pullingofstarterropewillproducealoudclattering 
    sound.Thisisnotharmfultotheengineorstarter. 
    •Withtheenginenotrunning,wipeallsnowand 
    moisturefromthecarburetorcoverinareaofcontrol 
    leversAlsomovethrottlecontrolchokecontrol,and 
    starterhandleseveraltimes. 
    SNOWTHROWINGTIPS 
    ®Formaximumsnowthrowerefficiencyinremoving 
    snow,adjustgroundspeed,NEVERthethrottle=Go 
    slowerindeep,freezing,orwetsnow.Ifthetrack 
    slips,reduceforwardspeedTheengineisdesigned 
    todelivermaximumpedormanceatfullthrottleand 
    shouldberunatthispowersettingataUtimes. 
    •Mostelficientsnowthrowingisaccomplishedwhen 
    thesnowisremovedirnmediatelyafteritfalls.. 
    •Forcompletesnowremoval,slightlyoverlapeach 
    pathpreviouslytaken 
    •Thesnowshouldbedischargeddownwindwhenever 
    possible. 
    •Fornormalusage,settheskidssothatthescraper 
    baris1/8abovetheskids.Forexlremelyhardpacked 
    snowsurfaces,adjusttheskidsupwardsothatthe 
    scraperbarlouchestheground 
    •Ongravelorcrushedrocksurfaces,settheskidsat 
    1-1/4belowthescraperbar(seeToAdjustSkid 
    Heightparagraphonpage18)Stonesandgravel 
    muslnotbepickedupandthrownbythemachine. 
    •Afterthesnowthrow!ngjobhasbeencompleted, 
    allowtheenginetoidleforafewminutes,whichwill 
    meltsnowandaccumulatediceofftheengine. 
    ®Cleanthesnowthrowerthoroughlyaftereachuse. 
    •Removeiceandsnowaccumulationandalldebris 
    fromtheentiresnowthrower,andflushwithwater(if 
    possible)toremoveallsaltorotherchemicalsWipe 
    snowthrowerdry 
    14  
    						
    							  
    GUSTOE 
    SERVICERECORDS iiiiiiiiiiiiiiiiiiiiii 
    SCHEDULE  ESPaNSB/IIIIIIIIIII/Ij1/11¸¸¸¸1111iiLmTmES 
    SERVICE 
    DATES 
    Fillindatesasyoucomplete 
    regularservice iiiiiIIHILIIII 
    AfterBeforeAsEveryEveryEveryEachBefore 
    First2EachNeeded5t025SeasonStorage 
    hoursUseHoursHoursHours 
    CheckEngineOi!Level,__ 
    ChangeEngineOil,I__ 
    TightenAllScrewsandNuts_V_ 
    !.,v  LubricateAllPivotPoints 
    LubricateAugerShaft(SeeShear 
    iBoltReplacement) 
    LubricateDiscDrivePlateZerk(See 
    ICustomerResponsibilities} 
    CheckAugerClutchCable 
    It 
    Adjustment(SeeCableAdjustment) 
    CheckTractionClutchCable 
    Adjustment(SeeCableAdjustment) 
    AdjustDriveBeltsVI ........i. 
    ,,=l_ 
    CheckFuel 
    DrainFuelV,# 
    ReplaceSparkPlug_ 
    GENERALRECOMMENDATIONS LUBRICATIONCHART 
    Thewarrantyonthissnowthrowerdoesnotcoveritems 
    thathavebeensubjectedtooperatorabuseornegli- 
    gence,Toreceivefullvaluefromthewarranty,operator 
    mustmaintainsnowthrowerasinstructedinthismanual, 
    Someadjustmentswillneedtobemadeperiodicallyto 
    properlymaintainyoursnowthrower 
    AlladjustmentsintheServiceandAdjustmentssectionof 
    thismanualshouldbecheckedatleastonceeach 
    season 
    AFTERFIRSTUSE 
    oCheckforanylooseordamagedpads 
    ®Tightenanyloosefasteners 
    •Checkandmaintaintheauger_ 
    •Aftereachuse,removeallsnowandslushoffthe 
    snowthrowertopreventfreezingofaugerorcontrols 
    ®Checkcontrolstomakesuretheyarefunctioning 
    properly, 
    •tfanypartsarewornordamaged,replace 
    immediately LubricateaugershafL 
    Coatwithaclingingtype 
    greasesuchasLubr|plateor 
    fiberimpregnatedgrease., 
    t5  
    						
    							  
    ,JJl,i 
    SNOWTHROWER 
    LUBRICATION-EVERYFIVEHOURS 
    ®Lubricatetheflangeonthedischargechuteevery 
    five(5)hoursduringuseandbeforestorage(See 
    Fig17), 
    •SeeLubricationChartdiagramonpage15for 
    lubricationpointsandtypeoflubricant 
    LUBRICATION-EVERYTENHOURS 
    •AugerShaft-Forstorage,lubricateaugershaft(See 
    Fig16)withaclingingtypegreasesuchasLubriplate, 
    Whenreplacingshearbolts,removeshearboltsand 
    lubricateaugershaft(seeToReplaceShearBolt 
    paragraphonpage23) 
    •Thechutecontrolrod,usedtochangethedirection 
    ofthesnowdischarge,needstobelubricated 
    frequentlyandbeforestorage(SeeFig17) 
    •SeeLubricationChartdiagramonpage15for 
    lubricationpointsandtypeoflubricant 
    LUBRICATION-EVERY25HOURS  CUSTOMERRESPONSIBILITIES 
    lull 
    iIIiIIi,illlillli_LL- 
    _AXLE 
    AXLE_ 
    FIG.15 
    •Positionspeedselectorleverinfirstgear 
    •Placeacoinor(ashimofequalthickness)between 
    therubberfrictionwheelanddiscdriveplateto 
    preventfrictionwheelcontactingthefrictiondisc 
    •DiscDrivePlate-Usingahandgreasegunlubricate 
    withaHiTempEPMolygrease,zerkiocatedbeneath 
    thediscdriveplate(SeeFig18inset)every25hours 
    andattheendoftheseasonand/orbeforestorage. 
    Togreasezerk,turndiscdriveplateclockwiseby 
    handuntilzerkisclearlyvisibleatfrontcer_terDO 
    NOToverfillorallowgreasetocomeinwheelor 
    damagewillresultFillzerkontyuntiigreasebecomes 
    visiblebelowbearingassemblylocatedundergrease 
    zerkSeeLubricationChartonpage15 
    IIIMPORTANT:Removecoinandensurethatagap 
    existsbetweenfrictionwheelanddiscdrive 
    plate. 
    ®NOTE:Cleanallexcessgreaseloundonfriction 
    dischub. LUBRICATEAUGERSHAFT 
    FIG.16 
    DISCHARGE 
    CHUTE 
    FLANGE CHUTE 
    CONTROL 
    ROD 
    FIG.17 
    LUBRICATION 
    •HexShaftandGears-Hexshaftandgearsrequ[re 
    nolubricationAllbearingsandbushingsarelifetime 
    lubricatedandrequirenomaintenance(SeeFig,18), 
    t)CAUTION:Donotallowgreasetocontactfriction 
    wheelanddiscdriveplate 
    LUBRICATION-BEFORESTORAGE 
    ®Removebothwheels,grease(anyautomotivetype 
    grease)bothaxles(SeeFig15)andreplacewheets. 
    Dothisatleastonceayearand/orpriortostorage, NOTE:Anygreasingoroilingoftheabovecomponents 
    cancausecontaminationofthefrictionwheelIfthedisc 
    driveplateorfrictionwheelcomeincontactwithgrease 
    oroil,damagetothefrictionwheelwillresult 
    Shouldgreaseoroilcomeincontactwiththediscdrive 
    plateorfrictionwheel,besuretocleantheplateand 
    wheelthoroughly. 
    NOTE:Forstorage,thehexshaltandgearsshouldbe 
    wipedwith5W-30motoroiltopreventrusting(SeeFig 
    18) 
    16  
    						
    							  
    CUSTOE 
    ®AugerGearBox-Theaugergearboxislubricatedat 
    thefactoryandshouldnotrequireadditionallubrica- 
    tionifforsomereasonthelubricatantshouldleakout, 
    oriftheaugergearboxhasbeenserviced,add 
    LubfiplateNo630-AAorequivalentMaximum31/4 
    ouncesshouldbeused,Removefillerplug(Figure17- 
    A)onceayear,,Ifgreaseisvisible,donotaddIfgrease 
    isnotvisible,useapieceoffinewirelikeadipstick,to 
    checkifthereisgreaseinthegearboxAddgreaseif 
    necessaryReinstallgearboxfiller 
    GEARBOX 
    °_FILLERPLUG 
    ENGINEFIG.17-A 
    LUBRICATION 
    Checkthecrankcaseoillevel(SeeFig19)beforestaring 
    theengineandaftereachfive(5)hourso!continuous 
    USerAddSAE.5W-30motoroilasneededTightenlilt 
    cap/dipsticksecurelyeachtimeyouchecktheoillevel 
    S_A,E,5W-30motoroilmaybeusedtomakestarting 
    easierinareaswherethetemperatureis20°Forlower,, 
    OILRECOMMENDATION 
    OnlyusehighqualitydetergentoilratedwithAPIservice 
    classificationSGSelecttheoilsviscositygradeaccord- 
    ingtoyourexpecledoperatingtemperature: 
    RECOMMENDEDVISCOSITYGRADES 
    32° 
    COLDER(€I)_WARMER 
    1 
    5W30SAE30 PONSILITI 
    HEXSHAFTANDGEARS 
    WHEEL 
    (RequireNo 
    Lubrication) 
    DRIVE 
    PLATE 
    FRICTION 
    WHEEL GREASE 
    ZERK 
    GAPBETWEEN 
    =RICTtONWHEEL 
    ANDDISCDRIVE 
    PLATE 
    I-_.........BEARING 
    i_GREASEASSEMBLY 
    ........ZERK Pointatwhich 
    greaseshould 
    bevisible 
    ........FIG.18 
    _ILLEVEL 
    .,/1__3__eFMUSTBEBETWEEN 
    _-0_fFULLAND 
    ADDMARK 
    FIG.19 
    OILFILLCAP/ 
    DIPSTICK 
    NOTE:Forextremecoldoperatingconditionsof0°Fand 
    below,usepartialsynthetic0W30oilforeasierstarting 
    NOTE:Althoughmulti-viscosityoilsimprovestartingin 
    coldweather,thesemufti-viscosityoilswillresultin 
    increasedoilconsumptionwhenusedabove32_FCheck 
    yourengineoillevelmorefrequentlytoavoidpossible 
    enginedamagefromrunninglowonoil 
    Changetheoilafterfirsttwohoursofoperationandevery 
    25hoursthereafteroratleastonceayearifthesnow 
    throwerisnotusedfor25hours(SeeFig20) 
    •Positionsnowthrowersothattheoildrainptugis 
    _owestpointontheengineRemoveoHdrainplug 
    andoilfillcap/dipstickDrainoilintoasuitable 
    containerOilwilldrainmorelreelywhenwarm FIG.20 
    OReplaceoildrainplugandtightensecurely,Refill 
    crankcasewithS,AE5W30motoroil 
    SPARKPLUG 
    o 
    o 
    O 
    0 Makesurethatthesparkplugistightenedsecurely 
    intotheengine,andthesparkplugwireisattachedto 
    thesparkplug 
    Ifatorquewrenchisavailable,torqueplugto18to23 
    footpounds.. 
    Cleantheareaaroundthesparkplugbasebefore 
    removaltopreventdirtfromenteringtheengine 
    Cleanthesparkplugandresetthegapperiodically 
    at030inch 
    I7  
    						
    							  
    SERVICEANDADJUSTMENTS 
    CAUTION:ALWAYSDtSCONNECTTHE 
    SPARKPLUGWIREANDTIEBACK 
    AWAYFROMTHEPLUGBEFOREMAK- 
    INGANYADJUSTMENTSORREPAIRS. 
    TOADJUSTSKIDHEIGHT 
    Thissnowthrowerisequippedwithtwoheightadjustment 
    skids,locatedontheoutsideoftheaugerhousing(See 
    Fig2!)Theseskidselevatethefrontofthesnowthrower 
    Fornormalhardsurfaces,adjusttheskidsasfollows: 
    •Checktirepressure(14to17pounds)Seesicleoftire 
    formaximuminflationDonotexceedmaximumpres- 
    sureonsideoftire 
    •Placetheextrashearboltssupplied(foundinparts 
    bag)undereachendofthescraperbarnearbutnot 
    undertheskid 
    •Loosentheskidmountingnuts(SeeFig21)and 
    adjusttheskidsuptobringthefrontofthesnow 
    throwerdownRe-tightenthemountingnuts 
    QSettheskidontheothersideatthesameheight 
    Forrockyorunevensurfaces,adjusttheskidsasfollows: 
    •Raisethefrontofthesnowthrowerbymovingthe 
    skidsdown..Thiswillhelppreventrocksandother 
    debrisfrombeingpickedupandthrownbytheauger 
    NOTE:Besurethatsnowthrowerissetatsameheighton 
    bothsides 
    TOADJUSTSCRAPERBAR 
    Afterconsiderableuse,themetalscraperbarwillhavea 
    definitewearpatternThescraperbarinconjunctionwith 
    theskidsshouldalwaysbeadjustedtoallow1/8between 
    thescraperbarandthesidewalkorareatobecleaned 
    Thescraperbarmayhavetobereturnedtoitsoriginal 
    lowersettingtomaintaintheoriginalperformancelevelTo 
    adjust: 
    •Positionthesnowthroweronalevelsurface 
    •Makesurebothtiresareequallyinflated 
    •Loosenthecarriageboltsandnutssecuringthe 
    scraperbartotheaugerhousing 
    iAdjustthescraperbartotheproperposition 
    @Tightenthecarriageboltsandnuts,makingsurethat 
    thescraperbarisparallelwiththeworkingsurface 
    •Forextendedoperation,thescraperbarmaybe 
    reversedIfthescraperbarmustbereplacedduefo 
    wear,removethecarriageboltsandnutsandinstalla 
    newscraperbar SKIDMOUNTINGNu_rs 
    AUGERHOUSINGHEIGHTADJUSTSKID 
    iii=lu=uu, 
    FIG.21 
    CAUTION:BECERTAINTOMAINTAIN 
    PROPERGROUNDCLEARANCEFOR 
    YOURPARTICULARAREATOBE 
    CLEARED.OBJECTSSUCHASGRAVEL, 
    ROCKSOROTHERDEBRIS,IFSTRUCK 
    BYTHEIMPELLER,MAYBETHROWN 
    WiTHSUFFICIENTFORCETOCAUSE 
    PERSONALINJURY,PROPERTYDAM- 
    AGEORDAMAGETOTHESNOW 
    THROWER. 
    TOADJUSTCHUTE 
    CRANKASSEMBLY 
    Ifyoucannotrotatethechutecrankfullytotheleftandto 
    theright,youneedtoadjustthechutecrank(SeeFig22) 
    •Loosenboth1/2nutsonthecrankadjustingrod 
    (using314wrenches) 
    •Rotatetheadjustingrodinorouttoallowabout1/8 
    clearancebetweenthenotchintheflangeandthe 
    outerdiameteroftheworm 
    •Oncethisclearanceisset,tightenthenuts 
    NOTE:Besurethecrankdoesnottouchthesideofthe 
    engineorthecoverwillbescratched. 
    PLASTIC_NOTCHEDSECTION 
    CAPCOTTERJ__,_\ 
    FLPIN18IN_..LEARANCE_. 
    1_J\k.J_.._I2,NCH 
    18 FIG.22  
    						
    							  
    TOADJUSTTHECLUTCHC6NTROL 
    CABLES 
    Periodicadjustmentofthecablesmayberequireddueto 
    normalstretchandwearonthebelts,Tocheckforcorrect 
    adjustment,thecontrollevermustbeinthefullforward 
    position,restingontheplasticbumper,,Thecontrol 
    cablesarecorrectlyadjustedwhenthecenteroftheZ 
    fittingisbetweenthecenterandtopoftheholeinthe 
    clutchleverandthereisnodroopinthecable(SeeFig. 
    23)° 
    Ifadjustmentisnecessary: 
    ODisconnect_Fittingfromdrivelever 
    O 
    ® 
    ® Pushthecablethroughthespring(SeeFig24)to 
    exposethethreadedportionofthecable. 
    Holdthesquareendofthethreadedportionwithpliers 
    andadjusttheIocknutinoroutuntiltheexcessslack 
    isremoved(SeeFig,,24),, 
    Pullthecablebackthroughthespringandconnectthe 
    cable. 
    ODothesamefortheotherlevercable, 
    NOTE:Wheneverthetractiondriveoraugerbeltsare 
    adjustedorreplaced,thecableswillneedtobeadjusted. 
    TOADJUSTBELTS CONTROLLEVER 
    AUGERMUSTBEINFULL 
    LEVERFORWARDPOSITION 
    (JustContacting 
    ZFITTINGPlasticBumpor)WHEN 
    CHECKING 
    PLASTICBUMPER 
    FIG.23 
    SPRING 
    SQUARE 
    END 
    LOCKNUT 
    FIG.24 
    BeltsstretchduringnormaluserIfyouneedtoadjust 
    thebeltsduetowearorstretch,proceedasfollows: 
    AUGERDRIVEBELT(SeeFig.26) 
    Ifyoursnowthrowerwillnotdischargesnow,checkthe 
    controlcableadjustment,Ifitiscorrect,thencheckthe 
    conditionoftheaugerdrivebellitmaybelooseor 
    damaged°Ifitisdamaged,replaceit,SeeToReplace 
    Beltsparagraphonpage20Iftheaugerdrivebeltis 
    loose,adjustasfollows: 
    @Disconnectthesparkplugwire 
    @Removethebeltcover(SeeFig,27,page20)° 
    ®Loosenthenutontheaugeridlerpulley(SeeFig,26) 
    andmovethepulleytowardthebeltaboutt/8L 
    @Tightenthenut. 
    @PresstheaugerdriveleverCheckthetensiononthe 
    belt(oppositeaugeridlerpulley).Thebeltshould 
    deflectabout1/2withmoderatepressure(SeeFig. 
    25), 
    NOTE:Youmayhavetomovetheaugeridlerpulley 
    morethanoncetoobtainthecorrecttension. 
    @Replacethebeltcover, 
    @Checktheclutchcontrolcableadjustment. 
    @Reconnectthesparkplugwire 
    TRACTIONDRIVEBELT 
    Thetractiondrivebelthasconstantspringpressureand 
    doesnotrequireadjustment ® _DRIVE 
    _,_.PULLEY 
    AUGERIDLER_)_._.,_,_._I/2INCH 
    .,/.,--.IMPELLER 
    _,,,.JPLILLEY 
    illlllllllii,,llll,iiiiijii 
    FIG.25 
    .TRACTIONDRIVEBELT 
    AUGER 
    DRIVEBELTBELTGUIDE 
    (LeftHand) 
    BELTGUIDE 
    (RightHand) DRIVE 
    IDLERPULLEY 
    _ERIDLER 
    PULLEY 
    FIG.26 
    Replacethetractiondrivebeltifitisslipping(seeTo 
    ReplaceBeltsparagraphonpage20) 
    !9  
    						
    							  
    TOREPLACEBELTS 
    Thedrivebeltsonthissnowthrowerareofspecial 
    constructionandshouldbereplacedwithoriginal 
    equipmentbeltsavailablefromyournearestSearsStore 
    orServiceCenter. 
    Youwillneedtheassistanceofasecondpersonwhile 
    replacingthebelts, 
    Drainthegasolinefromthefueltankbyremovingthefuel 
    line..Drainthegasandreinstallthefuelline. 
    CAUTION:DRAINTHEGASOLINEOUT-1  i 
    DOORS,AWAYFROMFIREORFLAME. 
    I 
    AUGERDRIVEBELT 
    Ifyoursnowthrowerwillnotdischargesnow,andthe 
    augerdrivebeltisdamaged,replaceitasfollows: 
    •Disconnectthesparkplugwire._ 
    •Removethebeltcover(SeeFig27) 
    ®Loosenthebeltguides(SeeFig28)andpullaway 
    fromtheenginedrivepulley 
    ®Loosenthenutontheaugeridlerpulley(SeeFig28) 
    andpullidlerpulleyawayfromthebelt 
    •Removebeltfromenginedrivepulley 
    •Removetoptwoboltssecuringaugerhousingto 
    motormountframe.Loosenbottomtwobolts,(See 
    Fig.30,page21). 
    •Augerhousingandmotormountframewillseparate, 
    hingedbybottomtwobolts. 
    •RemovebrakearmfromhousingDonotremove 
    spring 
    •Removeoldbeltfromtheaugerdrivepulley. 
    •Installnewreplacementbeltofthesametypeontothe 
    augerpulley. 
    •ReinstallbrakearmintohousingEnsurebrakearmis 
    fullyinsertedintohousingandbrakepadisridingin 
    pulleygroove. 
    •Positionbeltontoenginedrivepulley° 
    ®Adjusttheaugerdrivebelt(seeToAdjustAugerDrive 
    Beltparagraphonpage19). 
    •Adjustthebeltguides(seeToAdjustTheBeltGuides 
    paragraphonpage21) 
    ®ReplacetoptwoboltsRe-tightenbottomtwobolts 
    •Reinstallthebeltcover, 
    •Checktheclutchcontrolcableadjustment(seepage 
    19). 
    ®Reconnectthesparkplugwire. 
    TRACTIONDRIVEBELT(SeeFig.28) 
    Ifyoursnowthrowerwillnotmoveforward,checkthe 
    tractiondrivebeltforwear,(Checkothercausesalsoin 
    theTroubleShootingPointssection.)1Ithetractiondrive 
    beltneedstobereplaced,proceedasfollows: 0 
    O 
    O 
    0 
    O 
    O 
    O 
    0 
    O 
    O 
    O 
    O 
    O 
    0 
    @ BELT 
    COVER/ 
    5/8INCH 
    X112INCHSELF 
    TAPPINGSCREW 
    FIG.27 
    Hlljiji 
    TRACTIONDRIVETRACTIONDRIVEBELT 
    BELTGUIDE 
    DRIVE 
    BELT 
    BELTGUIDE 
    (RightHand) 
    TRACTIONDRIVE 
    IDLERPULLEY DRIVE 
    PULLEY 
    IDLER 
    PULLEY 
    FIGo28 
    Disconnectthesparkplugwire. 
    Removethebeltcover 
    Loosenbeltguidesandpullguidesawayfromthe 
    enginedrivepulley. 
    Loosennutonaugeridlerandpullaugeridlerpulley 
    awayfrombelt. 
    Removeaugerdrivebeltfromenginepulley 
    Pullthetractiondrivebeltidlerpulleyawayfromthe 
    drivebelt. 
    Removedrivebelt., 
    Positionnewreplacementbeltolthesametypeonto 
    tractionpulley. 
    Pullidlerpulleyawayfrombelt,allowingbelttobe 
    positionedontoenginepulley 
    ReleaseidlerpulleyEnsureidlerpulleyisproperty 
    engagedwithbelt. 
    Reinstallaugerdrivebeltonengine 
    Adjustbeltguidesandtightenthemountingscrews 
    (seeToAdiustTheBeltGuidesparagraphonpage 
    2f). 
    Readjustaugeridlertoadjustbeet.Seepage19 
    Reinstallthebeltcover. 
    Reconnectthesparkplugwire 
    2O  
    						
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