Craftsman 31BH97SJ799 Owner's manual

Category
Snow throwers
Type
Owner's manual

This manual is also suitable for

perator's nual
I:RRFrSMAN+
Electric Start
SNOW THROWER
Model No. 247.883981
CX
IES
CAUTION" Before using this product,
read this manual and follow all safety
rules and operating instructions.
,, SAFETY
o ASSEMBLY
OPERATION
MAINTENANCE
PARTS LIST
o ESPANOL
Sears Brands Management Corporation, Hoffman Estates, IL 60179, U.S.A.
Visit our website: www.craftsman.com
Form No. 769-08169B
(June 18,2013)
Warranty Statement .................................. Page 2
Safe Operation Practices .......................... Page 3
Assembly .................................................. Page 7
Operation .................................................. Page 13
Service and Maintenance ......................... Page 18
Off-Season Storage .................................. Page 26
Troubleshooting ........................................ Page 27
Parts List ................................................... Page 28
Repair Protection Agreement ................... Page 47
Espafiol ..................................................... Page 48
Service Numbers ...................................... Back Cover
CRAFTSMANCXTWOYEARFULLWARRANTY
FORTWOYEARSfromthedateofpurchase,thisproductiswarrantedagainstanydefectsin materialor workmanship.A defective
productwillreceivefreerepairor replacementif repairisunavailable.
Forwarranty coverage details to obtain free repairor replacement,visitthe website: www.craftsman.com
Thiswarranty coversONLYdefects in material andworkmanship. Warranty coveragedoes NOTinclude:
Expendableitemsthatcanwearoutfromnormalusewithinthewarrantyperiod,includingbutnotlimitedtoaugers,augerpaddles,
driftcutters,skidshoes,shaveplate,shearpins,sparkplug,aircleaner,belts,andoil filter.
Standardmaintenanceservicing,oilchanges,or tune-ups.
Tirereplacementor repaircausedbypuncturesfromoutsideobjects,suchasnails,thorns,stumps,or glass.
Tireor wheelreplacementor repairresultingfromnormalwear,accident,or improperoperationor maintenance.
Repairsnecessarybecauseofoperatorabuse,includingbutnotlimitedtodamagecausedbyover-speedingtheengine,or from
impactingobjectsthat bendtheframe,augershaft,etc.
Repairsnecessarybecauseofoperatornegligence,includingbutnotlimitedto,electricaland mechanicaldamagecausedby
improperstorage,failureto usethepropergradeandamountof engineoil,or failuretomaintaintheequipmentaccordingtothe
instructionscontainedintheoperator'smanual.
Engine(fuelsystem)cleaningor repairscausedbyfueldeterminedtobecontaminatedor oxidized(stale).Ingeneral,fuelshouldbe
usedwithin30 daysofits purchasedate.
Normaldeteriorationandwearoftheexteriorfinishes,orproductlabelreplacement.
Thiswarrantyisvoidifthis productiseverusedwhileprovidingcommercialservicesor if rentedtoanotherperson.
Thiswarrantygivesyouspecificlegalrights,andyoumayalsohaveotherrightswhichvaryfromstatetostate.
SearsBrands ManagementCorporation, Hoffman Estates,IL 60179
EngineOilType: 5W-30
EngineOilCapacity: 37ounces
FuelCapacity: Approx.5 Quarts
SparkPlug: F6RTC(951-10292)
SparkPlugGap: .020"to.030"
Model Number.................................................................
Serial Number .................................................................
Dateof Purchase.............................................................
Recordthemodelnumber,serialnumber
anddateof purchaseabove
©SearsBrands,LLC
2
Thissymbolpointsout importantsafetyinstructionswhich,ifnot
followed,couldendangerthe personalsafetyand/orproperty of
yourselfandothers.Readandfollow all instructionsinthis manual
beforeattempting to operatethis machine.Failureto complywith these
instructionsmayresultinpersonalinjury.Whenyouseethissymbol,HEED
ITSWARNING!
CALIFORNIA PROPOSITION 65
EngineExhaust,someofits constituents,andcertainvehiclecomponents
containor emit chemicalsknowntoStateof Californiatocausecancerand
birth defectsorother reproductiveharm.
Thismachinewasbuilt tobeoperatedaccordingtothesafeoperation
practicesinthismanual.Aswith anytype of powerequipment,
carelessnessorerroronthe part ofthe operatorcanresultinseriousinjury.
Thismachineiscapableof amputatingfingers, hands,toesandfeet and
throwingdebris.Failuretoobservethefollowing safetyinstructionscould
resultinseriousinjuryor death.
Your Responsibility--Restrict theuseofthis powermachineto
personswhoread,understandandfollow thewarningsandinstructionsin
thismanualandonthe machine.
SAVETHESEINSTRUCTIONS!
TRAINING
Read,understand,andfollowall instructionsonthemachineandinthe
manual(s)beforeattemptingtoassembleandoperate.Failuretodosocan
resultinseriousinjurytotheoperatorand/orbystanders.Keepthismanual
inasafeplaceforfutureandregularreferenceandfororderingreplacement
parts.
Befamiliarwith allcontrolsandtheirproperoperation.Knowhowtostop
themachineanddisengagethemquickly.
Neverallowchildrenunder14yearsofagetooperatethismachine.Children
14andovershouldreadandunderstandtheinstructionsandsafeoperation
practicesinthismanualandonthemachineandbetrainedandsupervised
byanadult.
Neverallowadultstooperatethismachinewithout properinstruction.
Thrownobjectscancauseseriouspersonalinjury.Planyoursnow-throwing
patterntoavoiddischargeofmaterialtowardroads,bystandersandthelike.
Keepbystanders,petsandchildrenatleast75feetfromthemachinewhileit
isin operation.Stopmachineif anyoneentersthearea.
Exercisecautiontoavoidslippingorfalling,especiallywhenoperatingin
reverse.
PREPARATION
Thoroughlyinspecttheareawheretheequipmentistobeused.Removeall
doormats,newspapers,sleds,boards,wiresandotherforeignobjects,which
couldbetrippedoverorthrownbytheauger/impeller.
Alwayswearsafetyglassesoreyeshieldsduringoperationandwhile
performinganadjustmentor repairtoprotectyoureyes.Thrownobjects
whichricochetcancauseseriousinjurytotheeyes.
Donotoperatewithout wearingadequatewinteroutergarments.Donot
wearjewelry,longscarvesorotherlooseclothing,whichcouldbecome
entangledinmovingparts.Wearfootwearwhichwill improvefootingon
slipperysurfaces.
Usea groundedthree-wireextensioncordandreceptacleforallmachines
with electricstartengines.
Disengageallcontrolleversbeforestartingtheengine.
Adjustcollectorhousingheighttocleargravelorcrushedrocksurfaces.
Neverattempttomakeanyadjustmentswhileengineisrunning,except
wherespecificallyrecommendedintheoperator'smanual.
Letengineandmachineadjusttooutdoortemperaturebeforestartingto
clearsnow.
Safe Handling of Gasoline:
Toavoidpersonalinjuryor propertydamageuseextremecareinhandling
gasoline.Gasolineisextremelyflammableandthe vaporsareexplosive.
Seriouspersonalinjurycanoccurwhengasolineisspilledonyourselforyour
clotheswhichcanignite.Washyourskinandchangeclothesimmediately.
Useonlyanapprovedgasolinecontainer.
Neverfillcontainersinsideavehicleoronatruckortrailerbedwithaplastic
liner.Alwaysplacecontainersonthegroundawayfromyourvehiclebefore
filling.
Whenpractical,removegas-poweredequipmentfromthetruckor
trailerandrefuelit ontheground.Ifthisisnotpossible,thenrefuelsuch
equipmentonatrailerwith aportablecontainer,ratherthanfromagasoline
dispensernozzle.
Keepthenozzleincontactwith therimofthefueltankorcontaineropening
atalltimesuntilfuelingiscomplete.Donotuseanozzlelock-opendevice.
Extinguishallcigarettes,cigars,pipesandothersourcesofignition.
Neverfuelmachineindoors.
Neverremovegascaporaddfuelwhiletheengineishotorrunning.Allow
enginetocoolatleasttwominutesbeforerefueling.
Neveroverfill fueltank.Filltanktonomorethan1/2inchbelowbottomof
fillernecktoallowspacefor fuelexpansion.
Replacegasolinecapandtightensecurely.
Ifgasolineisspilled,wipeit offthe engineandequipment.Moveunitto
anotherarea.Wait.5minutesbeforestartingtheengine.
Toreducefirehazards,keepmachinefreeofgrass,leaves,orotherdebris
build-up.Cleanupoilorfuelspillageandremoveanyfuelsoakeddebris.
Neverstorethemachineorfuelcontainerinsidewherethereisanopen
flame,sparkorpilotlightasonawaterheater,spaceheater,furnace,clothes
dryerorothergasappliances.
OPERATION
Donotputhandsorfeetnearrotatingparts,intheauger/impellerhousing
orchuteassembly.Contactwith therotatingpartscanamputatehandsand
feet.
Theauger/impellercontrolleverisasafetydevice.Neverbypassits
operation.Doingsomakesthemachineunsafeandmaycausepersonal
injury.
Thecontrolleversmustoperateeasilyin bothdirectionsandautomatically
returntothedisengagedpositionwhenreleased.
Neveroperatewith amissingordamagedchuteassembly.Keepallsafety
devicesinplaceandworking.
Neverrunanengineindoorsor inapoorlyventilatedarea.Engineexhaust
containscarbonmonoxide,anodorlessanddeadlygas.
Donotoperatemachinewhileundertheinfluenceofalcoholordrugs.
Mufflerandenginebecomehotandcancauseaburn.Donottouch.Keep
childrenaway.
Exerciseextremecautionwhenoperatingonorcrossinggravelsurfaces.Stay
alertforhiddenhazardsortraffic.
Exercisecautionwhenchangingdirectionandwhileoperatingonslopes.Do
notoperateonsteepslopes.
Planyoursnow-throwingpatterntoavoiddischargetowardswindows,
walls,carsetc.Thus,avoidingpossiblepropertydamageorpersonalinjury
causedbyaricochet.
Neverdirectdischargeatchildren,bystandersandpetsor allowanyonein
frontofthemachine.
Donotoverloadmachinecapacitybyattemptingtoclearsnowattoofastof
arate.
Neveroperatethismachinewithoutgoodvisibilityorlight.Alwaysbesureof
yourfootingandkeepafirmholdonthehandles.Walk,neverrun.
Disengagepowertotheauger/impellerwhentransportingornotinuse.
Neveroperatemachineathightransportspeedsonslipperysurfaces.Look
downandbehindandusecarewhenbackingup.
Ifthemachineshouldstarttovibrateabnormally,stoptheengine,
disconnectthesparkplugwireandgrounditagainsttheengine.Inspect
thoroughlyfordamage.Repairanydamagebeforestartingandoperating.
Disengageallcontrolleversandstopenginebeforeyouleavetheoperating
position(behindthehandles).Waituntiltheauger/impellercomesto
acompletestopbeforeuncloggingthechuteassembly,makingany
adjustments,orinspections.
Neverputyourhandin thedischargeorcollectoropenings.Donotunclog
chuteassemblywhileengineisrunning.Shutoff engineandremainbehind
handlesuntilallmovingpartshavestoppedbeforeunclogging.
Useonlyattachmentsandaccessoriesapprovedbythemanufacturer(e.g.
wheelweights,tirechains,cabsetc.).
Whenstartingengine,pull cordslowlyuntilresistanceisfelt,thenpull
rapidly.Rapidretractionofstartercord(kickback)will pullhandandarm
towardenginefasterthanyoucanletgo.Brokenbones,fractures,bruisesor
sprainscouldresult.
Ifsituationsoccurwhicharenotcoveredinthismanual,usecareandgood
judgment.
CLEARING A CLOGGED DISCHARGE CHUTE
Handcontactwith therotatingimpellerinsidethedischargechuteisthemost
commoncauseofinjuryassociatedwith snowthrowers.Neveruseyourhandto
cleanoutthedischargechute.
Toclearthechute:
a. SHUTTHEENGINEOFF!
b. Wait10secondsto besuretheimpellerbladeshavestopped
rotating.
c. Alwaysuseaclean-outtool,notyourhands.
MAINTENANCE & STORAGE
Nevertamperwith safetydevices.Checktheirproperoperationregularly.
Refertothemaintenanceandadjustmentsectionsofthismanual.
Beforecleaning,repairing,orinspectingmachinedisengageallcontrol
leversandstoptheengine.Waituntiltheauger/impellercometoacomplete
stop.Disconnectthesparkplugwireandgroundagainsttheengineto
preventunintendedstarting.
Checkboltsandscrewsforpropertightnessatfrequentintervalsto keepthe
machineinsafeworkingcondition.Also,visuallyinspectmachineforany
damage.
Donotchangetheenginegovernorsettingorover-speedtheengine.The
governorcontrolsthemaximumsafeoperatingspeedoftheengine.
Snowthrowershaveplatesandskidshoesaresubjecttowearanddamage.
Foryoursafetyprotection,frequentlycheckallcomponentsandreplace
with originalequipmentmanufacturer's(OEM)partsonlyaslistedinthe
Partspagesofthisoperator'smanual.Useofpartswhichdonot meetthe
originalequipmentspecificationsmayleadtoimproperperformanceand
compromisesafety!
Checkcontrolleversperiodicallytoverifytheyengageanddisengage
properlyandadjust,ifnecessary.Refertotheadjustmentsectioninthis
operator'smanualfor instructions.
Maintainorreplacesafetyandinstructionlabels,asnecessary.
Observeproperdisposallawsandregulationsforgas,oil,etc.toprotectthe
environment.
Priortostoring,runmachineafewminutestoclearsnowfrommachineand
preventfreezeupofauger/impeller.
Neverstorethemachineorfuelcontainerinsidewherethereisanopen
flame,sparkorpilotlightsuchasa waterheater,furnace,clothesdryeretc.
Alwaysrefertotheoperator'smanualforproperinstructionsonoff-season
storage.
4
Checkfuelline,tank,cap,andfittingsfrequentlyfor cracksor leaks.Replace
if necessary.
Donotcrankenginewith sparkplugremoved.
AccordingtotheConsumerProductsSafetyCommission(CPSC)andthe
U.S.EnvironmentalProtectionAgency(EPA),thisproducthasanAverage
Useful Lifeofseven(7)years,or60hoursofoperation.Attheendof
theAverage Useful Lifehavethemachineinspectedannuallybyan
authorizedservicedealertoensurethatallmechanicalandsafetysystems
areworkingproperlyandnotwornexcessively.Failuretodosocanresultin
accidents,injuriesordeath.
DO NOT MODIFY ENGINE
Toavoidseriousinjuryordeath,donotmodifyengineinanyway.Tampering
with the governorsetting canleadto arunawayengineandcauseit to
operateat unsafespeeds.Nevertamperwith factorysetting ofengine
governor.
NOTICE REGARDING EMiSSiONS
Engineswhich arecertifiedto complywith Californiaandfederal EPA
emissionregulationsforSORE(SmallOffRoadEquipment)arecertified
tooperateonregularunleadedgasoline,and mayincludethe following
emissioncontrolsystems:EngineModification (EM),OxidizingCatalyst(0C),
SecondaryAirinjection(SAI)andThreeWayCatalyst(TWC)ifsoequipped.
SPARK ARRESTOR
e
Thismachineisequippedwith aninternalcombustionengineandshould
not beusedonornearanyunimprovedforest-covered,brushcoveredor
grass-coveredland unlessthe engine'sexhaustsystemisequippedwith a
sparkarrestormeetingapplicablelocalorstate laws(ifany).
Ira sparkarrestorisused,it shouldbemaintainedin effectiveworking order
bythe operator.IntheStateofCaliforniathe aboveisrequiredbylaw (Section
4442ofthe CaliforniaPublicResourcesCode).Otherstates mayhavesimilar
laws.Federallawsapplyonfederallands.
Asparkarrestorfor the muffler isavailablethroughyournearestSearsParts
andRepairServiceCenter.
SAFETY SYMBOLS
Thispage depicts and describes safety symbols that may appear on this product. Read,understand, and follow all instructions on the machine before
attempting to assemble and 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 while machine is running. There are rotating blades
inside
WARNING-- ROTATING BLADES
Keep hands out of inlet and discharge openings while machine is running. There are rotating blades
inside
WARNING-- ROTATING AUGER
Do not put hands or feet near rotating parts, in the auger/impeller housing or chute assembly.
Contact with the rotating parts can amputate hands and feet.
WARNING--THROWN OBJECTS
This machine may pick up and throw and objects which can cause serious personal injury.
WARNING--GASOLINE ISFLAMMABLE
Allow the engine to cool at least two minutes before refueling.
WARNING-- CARBON MONOXIDE
Never run an engine indoors or in a poorly ventilated area. Engine exhaust contains carbon
monoxide, an odorless and deadly gas.
WARNING-- ELECTRICAL SHOCK
Do not use the engine's electric starter in the rain
WARNING-- HOT SURFACE
Engine parts, especially the muffler, become extremely hot during operation. Allow engine and
muffler to cool before touching.
WARNING: Your Responsibility--Restrict the use of this power machine to persons who read, understand and follow
the warnings and instructions in this manual and on the machine.
SAVETHESEiNSTRUCTIONS!
6
NOTE:Referencestorightor leftsideofthesnowthroweraredeterminedfromthe
operatingpositionlookingforwardtothefrontofthemachine.
RemovingFrom(:rate
1. Removescrewsfromthebottomofthecratesecuringthesides,andendsof
theshippingcrate.
2. Liftoffthetopoffofthecrateandsetoutofthewayoftheassemblyarea.
3. Removeanddiscardplasticbagthat coversunit.
4. Removeanyloosepartsincludedwith unit(e.g.,Operator'sManual,etc.).
5. Pushdownonthelowerhandleandpullunitbackoutofcrate.
6. Makecertainthecratehasbeencompletelyemptiedbeforediscardingit.
Assembly
a.
b.
Makecertainthespringsatthelowerendoftheaugeranddrive
cablesaresecurelyhookedintotheirrespectiveactuator
bracketsbeforepivotingthehandleupward.RefertoFigure14.
PlacethespeedselectorshiftleverintheF6position.
Cutthecabletiesecuringthetwopiecechutecranktothe
lowerhandle.Thecabletieisusedforshippingpurposes.
Removetheupperwingknobandcarriageboltfromeach
sideofthe lowerhandle.Pulluponupperhandleasshown
in Figure1.Alignupperhandlewith thelowerhandle.Again,
makecertainthespringsatthelowerendoftheaugerand
drivecablesaresecurelyhookedintotheirrespective
actuatorbrackets.Also,removeanyrubberbandssecuring
thecablestothewingnuts.
Figure1
2. a. Securethesupportbracket,upperhandleandlowerhandlewith the
twowingknobsandcarriageboltsremovedearlier.SeeFigure2.
b. Tightenthetwowingknobsalreadyinstalledintheupper
holestofirmly securetheupperhandleandsupporttubes.
SeeFigure2.
NOTE:Ifthefull rangeofspeeds(forwardandreverse)cannotbeachieved,referto
the"MakingAdjustments"section.
!
3.
F"
RemovethehairpinclipfromthespiralcontrolasshowninA of
ofFigure3.
Insertthechutedirectionalcontrolrodintothefitting onthespiralcontrol
asseeninBofFigure3.
Securewiththehairpinclippreviouslyremoved.SeeFigure3.
Figure3
7
ChuteAssembly
Removelocknutsandscrewssecuringoneoftheflangekeeperstothechute
assembly.Loosenthefastenersoftheothertwoflangekeepers.SeeFigure
4.
2. Placechuteassemblyontochutebaseasshownin Figure5.Makesurethat
thechutenotchesengagewith thespiralendofchutedirectionalcontrol,
andthetwoflangekeepersarebeneaththeflangeonthechutebase.
3. Secureflangekeeperremovedearlierwith locknutsandscrews.Tighten
downnutssecuringtheothertwoflangekeepers.SeeFigure4.
Set-Lip
ChuteClean-OutTool
Neveruseyourhandstoclearacloggedchuteassembly.Shutoffengineand
remainbehindhandlesuntilall movingpartshavestoppedbeforeusingthe
clean-outtooltoclearthechuteassembly.
Achuteclean-outtool isfastenedtothetopoftheaugerhousingwithamounting
clip.SeeFigure6.Thetoolisdesignedtoclearachuteassemblyoficeandsnow.
Thisitemisfastenedwith acabletieatthefactoryforshippingpurposes.Youmay
cutthecabletie atthistime.
Figure4
4. Ifnotalreadydone,slipthecablesthat runfromthe handlepaneltothe
dischargechuteintothecableguideontopoftheengine.SeeFigure5.
5. Normallythecabletiesholdingthesteeringcablesagainstthehandleare
looselyinstalledoneachsideofthelowerhandleatthefactory.Pullthe
cabletiestight tosecure.Cuttheexcessfromtheendsofcableties.
\
Figure5
!,//
Clean-outTool
/
i/
Figure6
J
Drift Cutters
Thesnowthrowerdrift cuttersaremountedinvertedatthefactoryforshipping
purposes.
1. Removethefourwingknobs(twooneachside)andcarriagebolts.Place
drift cutterinuprightpositionandre-secure.SeeFigure7.
i i
J
Figure7
8
ShearPins
Apairofreplacementaugershearpinsandbowtiecotterpinshavebeenincluded
with yoursnowthrower.Thereareholesprovidedintheplasticdashpanelfor
convenientstorageoftheshearpins.Pushthepinsthroughtheholesinthedash
panelandsecurewith thebow-tiecotterpins.SeeFigure8.
Figure8
TirePressure(PneumaticTires)
Underanycircumstancedonotexceedmanufacturer'srecommendedpsi.Equal
tire pressureshouldbemaintainedatalltimes.Excessivepressurewhenseating
beadsmaycausetire/rim assemblytoburstwith forcesufficienttocauseserious
injury.Refertosidewalloftire forrecommendedpressure.
AddingFuel
Useextremecarewhenhandlinggasoline.Gasolineisextremelyflammableand
thevaporsareexplosive.Neverfuelthemachineindoorsorwhiletheengineis
hotorrunning.Extinguishcigarettes,cigars,pipesandothersourcesofignition.
Alwayskeephandsandfeetclearofequipmentmovingparts.Donotusea
pressurizedstartingfluid.Vaporsareflammable.
1. Cleanaroundfuelfill beforeremovingcaptofuel.
2. Afuellevelindicatorislocatedinthefueltank.Filltankuntilfuelreachesthe
fuellevelindictor,Figure9.Becarefulnottooverfill.
@
FnelLevelIndicator
TopView
Thetirescanbeover-inflatedforshippingpurposes.Checkthetirepressure
beforeoperatingthesnowthrower.Refertothetiresidewallformanufactures's
recommendedpsianddeflate(orinflate)thetiresasnecessary.
NOTE:Equaltirepressureistobemaintainedatalltimesfor performancepurposes.
FuelRecommendations
Useautomotivegasoline(unleadedorlowleadedtominimizecombustionchamber
deposits)with aminimumof87octane.Gasolinewith upto10%ethanolor15%MTBE
(MethylTertiaryButylEther)canbeused.Neveruseanoil/gasolinemixtureordirty
gasoline.Avoidgettingdirt,dust,orwaterinthefueltank.DONOTuseE85gasoline.
Refuelinawell-ventilatedareawiththeenginestopped.Donotsmokeor
allowflamesorsparksintheareawheretheengineisrefueledorwhere
gasolineisstored.
Donotoverfillthefueltank.Afterrefueling,makesurethetankcapisclosed
properlyandsecurely.
Becarefulnottospillfuelwhenrefueling.Spilledfuelorfuelvapormay
ignite.If anyfuelisspilled,makesuretheareaisdrybeforestartingthe
engine.
Avoidrepeatedorprolongedcontactwith skinorbreathingofvapor.
Figure9
CheckingOilLevel
Theengineisshippedwith oilintheengine.Youmust,however,checktheoil
levelpriortooperatingthesnowthrower.Runningtheenginewith insufficient
oilcancauseseriousenginedamageandvoidtheenginewarranty.
Someengineswill haveaquarter-turnoilfill/dipstickcap,othersmayhavea
threadedoilfill/dipstickcap.Followtheinstructionsnextthatapplytoyourengine
model.
9
CheckingOilLevelon Engineswith Quarter-TurnOil
Fill Caps
NOTE:Besuretocheckthe engineonalevelsurfacewith theenginestopped.
Toavoidenginedamage,it isimportantto:
Checkoillevelbeforeeachuseandevery5operatinghourswhenengineis
warm.Checkoil levelmorefrequentlyduringenginebreak-in.
Keepoillevelbetween"H" and"L"marksondipstick.SeeFigure10.
Besureoilfill cap/plugistightenedsecurelywhenchecking.
1. Removetheoilfillercap/dipstkkandwipethedipstickclean.SeeFigure10.
2. Insertthecap/dipstkkintotheoilfillerneck,andtightenthecapuntil
seated.
3. Removetheoilfillercap/dipstkk.Ifthelevelislow,slowlyaddoil untiloil
levelregistersbetweenhigh(H)andlow(L),Figure10.
4. Replaceandtightencap/dipstkkfirmlybeforestartingengine.
NOTE:Donotoverfill.Overfillingwith oilmaycausesmoking,hardstarting,or
sparkplugfouling.
NOTE:DONOTallowoilleveltofall belowthe"L"markonthedipstick.Doingso
mayresultinequipmentmalfunctionsordamage.
NOTE:Tochangetheoilonyourengine,seethe MaintenanceSectionoftheengine
operator'smanualincludedwith thesnowthrower.
Figure10
CheckingOilLevelonEngineswith threaded OilFill
Caps
NOTE:Besuretochecktheengineona levelsurfacewith theenginestopped.
Toavoidenginedamage,it isimportantto:
Checkoillevelbeforeeachuseandevery5 operatinghourswhenengineis
warm.Checkoillevelmorefrequentlyduringenginebreak-in.
Keepoil levelbetween"H"and"L"marksondipstick.SeeFigure11.
Besureoil fillcap/plugistightenedsecurelywhenchecking.
1. Removetheoilfillercap/dipstkkandwipethedipstickclean.SeeFigure11.
2. Insertthecap/dipstkkintotheoil fillerneck,restingonthethreads,butdo
nottighten.
3. Removetheoilfillercap/dipstick.Ifthelevelislow,slowlyaddoiluntiloil
levelregistersbetweenhigh(H)andlow(L),Figure11.
4. Replaceandtightencap/dipstickfirmly beforestartingengine.
NOTE:Donotoverfill.Overfillingwithoil maycausesmoking,hardstarting,or
sparkplugfouling.
NOTE:DONOTallowoil leveltofallbelowthe"L"markonthedipstick.Doingso
mayresultinequipmentmalfunctionsordamage.
NOTE:Tochangetheoilonyourengine,seethe MaintenanceSectionoftheengine
operator'smanualincludedwith thesnowthrower.
Figure11
10
Adjustments Auger and Drive Control Cables
SkidShoes
Itisnotrecommendedthat youoperatethissnowthrowerongravelasit can
easilypickupandthrowloosegravel,causingpersonalinjuryordamagetothe
snowthrowerandsurroundingproperty.
Thesnowthrowerskidshoesareadjustedupwardatthefactoryfor shipping
purposes.Adjustthemdownwardpriortooperatingthemachine.
Forclosesnowremovalonasmoothsurface,adjusttheskidshoessothattheshave
plateonthebottomofthe augerhousingisjustoffthe ground.
Adjusttheskidshoestoalowerpositiontoraisetheshaveplateoffthe ground
whenclearingunevenareas,suchasa ribbontypedrivewayoragraveldriveway
NOTE:Ifyouchoosetooperatethesnowthroweronagravelsurface,keeptheskid
shoesin positionfor maximumclearancebetweenthegroundandtheshaveplate.
Toadjust the skid shoes:
1. Adjustskidshoesbylooseningthesix(threeoneachside)hexnutsand
carriageboltssecuringtheskidshoestotheaugerhousing.RefertoFigure
12.
ShavePlate
Lower
Shave
Plate
Raise
Shave
. Plate j
Figure12
2. Whileobservingthe distancebetweentheshaveplateandtheground,
adjusttheskidsshoesupordowntoachievethedesiredshaveplateheight.
SeeFigure12.
3. Makecertaintheentirebottomsurfaceofskidshoesareagainsttheground
toavoidunevenwearontheskidshoes;thentightennutsandboltssecurely.
Priortooperatingyoursnowthrower,carefullyreadandfollowallinstructions
below.Performalladjustmentsto verifyyoursnowthrowerisoperatingsafely
andproperly.
TestingAugerDriveControl
Whentheaugercontrolisreleasedandinthedisengaged"up"position,thecable
shouldhaveverylittle slack,butshouldNOTbetight.Referto Figure13for location
ofcontrols.
F
ChuteTiltControl_ _ Shift Lever
2_
Auge, n. ,, ve
H- ---coot,u,
Auger d___ Drive
J
Figure13
1. Inawell-ventilatedarea,startthesnowthrowerengineasinstructedinthe
Operationsection.
2. Whilestandingintheoperator'sposition(behindthesnowthrower),engage
theaugercontrolandallowtheaugertoremainengagedforapproximately
tensecondsbeforereleasingtheaugercontrol.Repeatthisseveraltimes.
NOTE: Whenengagingtheauger,youmayheara"chirp"sound.Thisisnormal,it
isthebeltengagingthepulley.Asthebeltwears,thissoundwill not beheardwhen
engagingtheauger.
3. Withtheenginerunningandtheaugercontrolin thedisengaged"up"
position,walktothefrontofthemachine.Confirmthatthe augerhas
completelystoppedrotatingandshowsnosignsofmotion.
4. Iftheaugershowsanysignsofrotating,immediatelyreturntotheoperator's
positionandshutoff theengine.Waitfor allmovingpartstostopbefore
readjustingtheaugercontrolcable.
11
TestingWhee{ Dr}reContro{& SpeedSelectorLever
RefertoFigure13for{ocationofcontro{s.
I. Movethespeedselectorshift{everintosixth(6)posit{on.
2. Withthewheeldrivecontro{released,pushthesnowthrowerforward,thenpull
itback.Themachineshouldmovefreely.
3. Engagethedrivecontrolandattempttomovethemachinebothforwardand
back,resistanceshouldbefelt.
4. Movethespeedselectorshiftleverintothefastreverse(R2)positionandrepeat
theprevioustwosteps.
Ifyouexperiencedresistancerollingtheunit,eitherwhenrepos{tioningthespeed
selectorshiftleverfrom6toR2orwhenattemptingtomovethemachinewiththedrive
controlreleased,adjustthedrivecontrolimmediately.SeeAdjustingDriveandAuger
Controls.
AdjustingWhee{Dr}re& Auger(ontro{s
1. Frombeneaththehandle,pulldownwardontheappropriatecableand
unhookthespringfoundontheendofthecablefromitsrespectiveactuator
bracket.RefertoFigure14.
Rearwardmostholeofthe
...... actuatorbrackets
Figure14
2. S{{dethespringupthecab{etoexposethecab{ecoup{erthreadsand{ock
nut.RefertoFigure15.
J
Figure15
Ifadjustingthedrivecable,threadthelocknutoutward(downthecoupler
towardstheendofthethread)to lengthenthecableandallowtheun{tto
movefreelywhenthecontrol{sreleased.
Threadthelocknut inward(upthecouplertowardsthecable)toshortenthe
cabletoreduceslippageandpreventthemach{nefrombeingeas{lymoved
w{ththedr{vecontrolengaged.
Donotover-tightenthecable.Over-tighteningmaypreventtheaugershaftfrom
disengagingandcompromisethesafetyofthesnowthrower.
Ifadjustingtheaugercable,threadthelocknutdownthecouplertowardsthe
endofthethreadtolengthenthecableasnecessarytostoptheaugershaftfrom
turningwhenthecontrolisreleased.
4. Reattachthespringtotherear-mostholeintheactuatorbracket.
5. Repeatthewheeldriveandaugercontrolteststoverifyproperadjustment.
Repeatpreviousstepsifnecessarytoattainproperadjustmentofeachcable.
12
f SpeedSelector "
Drive ChuteControFM
Headlight
DriftCutters
Clean-outTool
\
Augers
ChuteAssembly
.%o,
SkidShoes
AugerControl
WheelSteeringControl
Chute
Control
Oil Filler
Cap/Dipstick
PrimerKey
Ch°kTh
Oil Drain
Figure
Nowthatyouhavesetupyoursnowthrower,it'simportanttobecomeacquainted
with itscontrolsandfeatures.Referto Figure16.
SpeedSelectorShift Lever
Thespeedselectorshiftleverislocatedontherightsideofthe
handlepanel.Placethespeedselectorshiftleverintoanyofeight
positionstocontrolthedirectionoftravelandgroundspeed.
Forward
Yoursnowthrowerhassixforward(F)speeds.Positionone(1)is
theslowestandpositionsix(6)isthefastest.
Reverse
Yoursnowthrowerhastwo reverse(R)speeds.One(1)istheslower
andtwo (2)isthefaster.
6
5
4
3
t 2
F1
R1
R2
16
ChokeControl
Thechokecontrolisfoundontherearoftheengineandis
activatedbyrotatingtheknobcounter-clockwise.Activating
thechokecontrolclosesthechokeplateonthecarburetor
andaidsinstartingtheengine.
Key
Thekeyisasafetydevice.It mustbefully insertedinorder
fortheenginetostart.Removethekeywhenthesnow
throwerisnotinuse.
NOTE:Donotturnthekeyinanattempttostarttheengine.
Doingsomaycauseittobreak.
Electric
Start
Button
Electric
Outlet
Recoil Starter
Handle
MeetsANSISafety Standards
CraftsmanSnowThrowersconformtothesafetystandardoftheAmericanNationalStandardsInstitute(ANSI)
13
ThrottleControl
==-,.-
GasCap
Unthreadthegascaptoaddgasolinetothefueltank.
OUDrain
Engineoilcanbedrainedthroughtheoildrain.
Thethrottlecontrolislocatedontherearoftheengine.Itregulatesthespeedofthe
engineandwill shutoffthe enginewhenmovedintotheSTOPposition.
Primer
Depressingtheprimerforcesfueldirectlyintotheengine'scarburetortoaidin
cold-weatherstarting.
0UFili [ _,,_.J__,.
Engineoillevelcanbecheckedandoiladdedthroughthe
oilfill.
RecoilStarter Handle
Thishandleisusedtomanuallystarttheengine.
ElectricStarterButton
Pressingtheelectricstarterbuttonengagestheengine'selectricstarterwhen
pluggedintoa 120Vpowersource.
ElectricStarterOutlet
Requirestheuseofathree-prongoutdoorextensioncordanda 120Vpowersource/
walloutlet.
Augers
Whenengaged,theaugersrotateanddrawsnowintotheaugerhousing.
ChuteAssembly
Snowdrawnintotheaugerhousingisdischargedoutthechuteassembly.
AugerControl
f AUGER
CONTROL
J
Theaugercontrolislocatedonthelefthandle.Squeezethecontrolgripagainstthe
handletoengagetheaugersandstartsnowthrowingaction.Releasetostop.
DriveControl/Auger Control Lock
/ DRIVE
CONTROL
J
Thewheeldrivecontrolislocatedontherighthandle.Squeezethecontrolgrip
againstthehandletoengagethewheeldrive.Releasetostop.TheWheeldrive
controlalsolockstheaugercontrolsoyoucanoperatethechutedirectionalcontrol
withoutinterruptingthesnowthrowingprocess.Iftheaugercontrolisengaged
simultaneouslywith thewheeldrivecontrol,theoperatorcanreleasetheauger
control(onthe lefthandle)andtheaugerswill remainengaged.Releaseboth
controlsto stoptheaugersandwheeldrive.
NOTE:Alwaysreleasethewheeldrivecontrolbeforechangingspeeds.Failuretodo
sowill resultinincreasedwearonyourmachine'sdrivesystem.
Two-waychute Control"
Thetwo-waychute-pitchcontrolislocatedontheleftsideofthehandlepaneland
isusedtocontrolthedistanceofsnowdischargefromthechute.
Tochangetheupperchuteangletocontrolthedistancethat snowisthrown,
pivottheleverforwardorbackward.
Movetheleverforwardtopivottheupperchutedownandreducethe
distancesnowisthrown.
Movetheleverrearwardtopivottheupperchuteupwardandincreasethe
distancesnowisthrown.
S
CHUTE DIRECTIONAL CONTROL
DISCHARGE
LEFT
1;DISDHARDE
i
CHUTE TILT
DOWN
CHUTE TILT
UP
J
14
NOTE:Toincreaseordecreasethetensiononthetwo-waychutecontrol,tightenor
loosenthewingknobonthechuteassembly.
ChuteDirectional Control
Thechutedirectionalcontrolislocatedontheleftsideofthesnowthrower.
Tochangethedirectioninwhichsnowisthrown,crankclockwiseto
dischargetotheleftandcounterclockwisetodischargetotheright.
SkidShoes
Positiontheskidshoesbasedonsurfaceconditions.Adjustupwardforhard-packed
snow.Adjustdownwardwhenoperatingongravelorcrushedrocksurfaces.
WheelSteeringControls
Theleftandrightwheelsteeringcontrolsarelocatedontheundersideofthe
handles.Squeezetherightcontroltoturnright;squeezetheleft controltoturnleft.
NOTE:Operatethesnowthrowerin openareasuntilyouarefamiliarwith these
controls.
Headlight
Theheadlightislocatedinsideofthe handlepanel.
Drift cutters
Thedrift cuttersaredesignedforusein deepsnow.Theiruseisoptionalfor normal
snowconditions.Maneuverthesnowthrowersothatthecutterspenetratea high
standingsnowdrifttoassistsnowfallingintotheaugersforthrowing.
Clean-OutTool
Thechuteclean-outtoolisconvenientlyfastenedtotherearoftheaugerhousing
with amountingclip.Shouldsnowandicebecomelodgedin thechuteassembly
duringoperation,proceedasfollowstosafelycleanthechuteassemblyandchute
opening:
Neveruseyourhandstocleara cloggedchuteassembly.Shutoffengine
andremain behindhandlesuntil all movingpartshavestoppedbefore
unclogging.
1. ReleaseboththeAugerControlandtheWheeldrivecontrol.
2. Stoptheenginebyremovingthekey.
3. Removetheclean-outtoolfromtheclipwhichsecuresit totherearofthe
augerhousing.
4. Usetheshovel-shapedendoftheclean-outtooltodislodgeandscoopany
snowandicewhichhasformedinandnearthechuteassembly.
5. Refastentheclean-outtooltothemountingclipontherearoftheauger
housing,reinsertthekeyandstartthesnowthrower'sengine.
6. Whilestandingintheoperator'sposition(behindthesnowthrower),engage
theaugercontrolfor afewsecondstoclearanyremainingsnowandicefrom
thechuteassembly.
BeforeStartingEngine
Read,understand,andfollow all instructionsandwarningsonthe machine
andinthis manualbeforeoperating.
Oil
Theunitwasshippedwith oilin theengine.Checkoil levelbeforeeachoperation
toensureadequateoil intheengine.Forfurtherinstructions,refertotheService&
Maintenancesectionofthismanual.
NOTE:Besuretochecktheengineona levelsurfacewith theenginestopped.
1. Removetheoilfillercap/dipstickandwipethedipstickclean.
2. Insertthecap/dipstickintotheoil fillerneck,andtightenthecapturning
clockwiseuntilcapisseated.
flOTE:Onsomeengines,athreadedscrewcapwill bepresentinsteadof
thequarterturnlockingcap.Intheinstanceofathreadedoilcap/dipstick,
DONOTscrewthecap/dipstickin tocheck.Checktheoilbyrestingthecap/
dipstickonthethreads,butnotscrewingit in.
Removetheoilfillercap/dipstick.Ifthelevelislow,slowlyaddoil(5W-30,
with aminimumclassificationofSF/SG)untiloil levelregistersbetweenhigh
(H)andlow(L).
flOTE:Donotoverfill.Overfillingwithoil mayresultinenginesmoking,hard
startingorsparkplugfouling.
Replaceandtightencap/dipstickfirmly beforestartingengine
Gasoline
Useextremecarewhen handlinggasoline.Gasolineisextremelyflammable
andthe vaporsareexplosive.Neverfuel the machineindoorsorwhile the
engineishot orrunning. Extinguishcigarettes,cigars,pipesandother
sourcesof ignition.
Useautomotivegasoline(unleadedorlowleadedtominimizecombustionchamber
deposits)with aminimumof87octane.Gasolinewith upto 10%ethanolor 15%
MTBE(MethylTertiaryButylEther)canbeused.Neveruseanoil/gasolinemixture
ordirty gasoline.Avoidgettingdirt,dust,orwaterinthefueltank.DONOTuseE85
gasoline.
Refuelinawell-ventilatedareawith theenginestopped.Donotsmokeor
allowflamesorsparksintheareawheretheengineisrefueledorwhere
gasolineisstored.
Donotoverfillthefueltank.Afterrefueling,makesurethetankcapisclosed
properlyandsecurely.
Becarefulnottospillfuelwhenrefueling.Spilledfuelorfuelvapormay
ignite.Ifanyfuelisspilled,makesuretheareaisdrybeforestartingthe
engine.
Avoidrepeatedorprolongedcontactwith skinorbreathingofvapor
1. Cleanaroundfuelfill beforeremovingcaptofueltopreventdebrisfrom
enteringfueltank..
2. Afuellevelindicatorislocatedinthefueltank.Filltankuntilfuelreachesthe
fuellevelindictor.SeeFigure10inset.Becarefulnottooverfill.
15
Starting The Engine
Alwayskeephandsandfeet dear of movingparts.Donot usea pressurized
starting fluid. Vaporsareflammable.
NOTE:Allowtheenginetowarmupforafewminutesafterstarting.The
enginewill notdevelopfull poweruntilit reachesoperatingtemperatures.
Makecertainboththeaugercontrolandwheeldrivecontrolarein the
disengaged(released)position.
Insertkeyintoslot.Makesureit snapsintoplace.Donotattempttoturnthe
key.
NOTE:Theenginecannotstartwithout thekeyfullyinsertedintothe
ignitionswitch.
Eiectrk Starter
Theoptional e[ectrk starter isequippedwith agroundedpowerplug, and
isdesignedto operateonanextensioncordratedfor 15ampsat 125volts,
groundedandratedfor outdooruseusing120volt AChouseholdcurrent,it
mustbeusedwith a properlygroundedthree-prong receptacleatai[times
toavoidthe possibilityofeiectrk shock.Followall instructionscarefully
priorto operating theelectricstarter.
Determinethatyourhome'swiringisathree-wiregroundedsystem.Askalicensed
electricianifyouarenotcertain.
Ifyouhaveagroundedthree-prongreceptacle,proceedasfollows:
1. Pluganextensioncordintotheoutletlocatedontheengine'ssurface.Plug
theotherendofextensioncordintoathree-prong120-volt,grounded,AC
outletinawell-ventilatedarea.
6. Astheenginewarms,slowlyrotatethechokecontroltothe RUNposition.If
theenginefalters,restartengineandrunwith chokeathalf-chokeposition
forashortperiodoftime,andthenslowlyrotatethechokeintothe RUN
position.
7. Afterengineisrunning,disconnectpowercordfromelectricstarter.When
disconnecting,alwaysunplugtheendatthewalloutletbeforeunplugging
theoppositeendfromtheengine.
RecoilStarter
Donotpull the starterhandlewhilethe enginerunning.
1. MovethrottlecontroltoFAST(rabbit)_1 position.
2. Movechoketothe CHOKEI,,1¢1position(coldenginestart).Ifengineis
warm,placechokeintheRUNposition.
3. Pushprimerthreetimes,makingsuretocoverventholewhenpushing.
Ifengineiswarm,pushprimeronlyonce.Alwayscoverventholewhen
pushing.Coolweathermayrequireprimingtoberepeated.
4. Pullgentlyonthestarterhandleuntilit beginstoresist,thenpullquicklyand
forcefullytoovercomethecompression.Engineshouldstart.Donotreleasethe
handleandallowittosnapback.ReturnropeSLOWLYtooriginalposition.If
required,repeatthisstep.
5. Astheenginewarms,slowlyrotatethechokecontroltothe RUNposition.If
theenginefalters,restartengineandrunwith chokeathalf-chokeposition
forashortperiodoftime,andthenslowlyrotatethechokeintothe RUN
position.
Toavoidunsupervisedengineoperation,neverleavethe machine
unattendedwith the enginerunning.Turnthe engineoff after useand
removekey.
Theextensioncordcanbeanylength,but must beratedfor 15ampsat125
volts,groundedand ratedforoutdoor use.
2. Movethrottle controlto FAST(rabbit)_ position.
3. MovechoketotheCHOKEposition[,jC[ (coldenginestart).
NOTE:Iftheengineisalreadywarm,placechokecontrolintheRUNposition
insteadofCHOKE12¢I
position.
4. Pushprimerthreetimes(3x),makingsuretocoverventholein primerbulb
whenpushing.Ifengineiswarm,pushprimeronlyonce.Alwayscovervent
holewhenpushing.Coolweathermayrequireprimingto berepeated.
5. Pushstarterbuttontostartengine.Oncetheenginestarts,immediately
releasestarterbutton.Electricstarterisequippedwith thermaloverload
protection;systemwill temporarilyshut-downtoallowstartertocoolif
electricstarterbecomesoverloaded.
Stopping TheEngine
Afteryouhavefinishedsnow-throwing,runengineforafew minutesbefore
stoppingtohelpdryoff anymoistureontheengine.
1. MovethrottlecontroltoSTOP(_ position.
ine.Backfireor en occur.
2. Removethekey.Removingthekeywillreducethepossibilityofunauthorized
startingoftheenginewhileequipmentisnotinuse.Keepthekeyinasafeplace.
Theenginecannotstartwithoutthekey.
3. Wipeallsnowandmoisturefromtheareaaroundtheengineaswellasthe
areainandaroundthewheeldrivecontrolandaugercontrol.Also,engage
andreleasebothcontrolsseveraltimes.
Toprolongstarterlife, useshort starting cycles(5secondsmaximum,then
wait oneminute).
16
ToEngageWheelDrive
1. WiththethrottlecontrolintheFast(rabbit)_j_ position,movespeed
selectorleverintooneofthesixforward(F)positionsortworeverse(R)
positions.Selectaspeedappropriateforthesnowconditionsandapace
you'recomfortablewith.
flOTE:WhenselectingaDriveSpeed,usetheslowerspeedsuntilyouare
comfortableandfamiliarwiththeoperationofthesnowthrower.
2. Squeezethedrivecontrolagainstthehandleandthesnowthrowerwill
move.Releaseit anddrivemotionwi[[stop.
NOTE:NEVERrepositionthespeedselectorlever(changespeedsordirection
oftravel)withoutfirstreleasingthedrivecontrolandbringingthesnow
throwertoacompletestop.Doingsowi[[resultinprematureweartothe
snowthrower'sdrivesystem.
ToEngageAuger
1. Toengagetheaugerandstartthrowingsnow,squeezetheaugercontrol
againsttheleft handle.Releasetostoptheaugers.
ReplacingShearPins
Theaugersaresecuredtothespiralshaftwith shearpinsandbow-tiecotterpins.
Iftheaugershouldstrikeaforeignobjector kejam,thesnowthrowerisdesigned
sothatthepinsmayshear.Iftheaugerswill notturn,checktoseeif thepinshave
sheared.SeeFigure17.
Figure17
NOTE:Twoextrashearpinsaresuppliedinthemanualbag.
NEVERreplacethe augershearpinswith anything other thanOEMPartNo.
738-04155replacementshearpins.Anydamageto the augergearboxor
other componentsasaresultoffailing todosowill NOTbecoveredbyyour
snowthrower'swarranty.
Alwaysturnoffthesnowthrower'sengineandremovethekeypriortoreplacing
shearpins.
17
MAINTENANCESCHEDULE
Beforeperforminganytypeofmaintenance/service,disengageallcontrolsandstop
theengine.Waituntilallmovingpartshavecometoacompletestop.Removethekey
topreventunintendedstarting.Alwayswearsafetyglassesduringoperationorwhile
performinganyadjustmentsorrepairs.
Followthe maintenanceschedulegivenbelow.Thischartdescribesservice
guidelinesonly.Usethe ServiceLogcolumntokeeptrackofcompleted
maintenancetasks.TolocatethenearestSearsServiceCenterortoschedule
service,simplycontactSearsat1-800-4-MY-HOME®.
EachUse
1st5-8hours
25hours
50hours
Annuallyor100hours
BeforeStorage 1. Fuelsystem 1.
1.
2.
3.
1.
1.
2.
1.
1.
Engineoil level
Looseormissinghardware
Unitandengine.
Engineoil
Engineoilf
Controllinkagesandpivots
Engineoil
Sparkplug
f Underheavyloadorinhightemperatures
ENGINEMAINTENANCE
1.
2.
3.
1.
1.
2.
1.
1.
Checking Engine Oil
Beforelubricating,repairing,orinspecting,disengageallcontrolsandstop
engine.Waituntilall movingpartshavecometoacompletestop.Removethe
[keyto preventunntendedf r ngof theenghe.
NOTE: Check the oil level before each use to be sure correct oil level
is maintained.
Check
Tightenorreplace
Clean
Change
Change
Lubewith lightoil
Change
Cleanandre-gap,orelsereplacewith
newplug.
Runengineuntilitstopsfromlackoffuel
oraddagasolineadditivetothegasin
thetank.
Changing Engine Oil
Figure18
Whenaddingoiltotheengine,refertoviscositychartbelow.Engineoilcapacity
isapproximately37ounces.Donotover-fill.Usea4-stroke,oranequivalenthigh
detergent,premiumqualitymotoroilcertifiedtomeetorexceedU.S.automobile
manufacturer'srequirementsforserviceclassificationSG,SF.Motoroilsclassified
SG,SFwill showthisdesignationonthecontainer.
1. Removetheoilfillercap/dipstickandwipethedipstickclean.
2. Insertthecap/dipstickintotheoilfillerneck,butdonot screwit in.
NOTE:Onsomeengines,athreadedscrewcapwill bepresentinsteadof
thequarterturnlockingcap.Intheinstanceofathreadedoilcap/dipstick,
DONOTscrewthecap/dipstickintocheck.Checktheoilbyrestingthecap/
dipstickonthethreads,butnotscrewingitin.
Removetheoilfillercap/dipstick.Iflevelislow,slowlyaddoiluntiloillevel
registersbetweenhigh(H)andlow(L).SeeFigure18.
4. Replaceandtightencap/dipstickfirmlybeforestartingengine.
J
NOTE:Changetheengineoilafterthefirst 5hoursofoperationandoncea
seasonorevery50hoursthereafter.
1. Drainfuelfromtankbyrunningengineuntilthefueltankisempty.Besure
fuelfill capissecure.
2. Placesuitableoil collectioncontainerunderoildrainplug.
3. Removeoildrainplug.SeeFigure19.
18
f
OilDrain
Plug
Figure19
4. Tipenginetodrainoil intothecontainer.Usedoilmustbedisposedofata
propercollectioncenter.
Usedoil isahazardouswasteproduct.Disposeof usedoil properly.Donot
discardwith householdwaste.Checkwithyourlocalauthoritiesor Sears
ServiceCenterfor safedisposal/recyclingfacilities.
5. Reinstallthedrainplugandtightenit securely.
6. Refillwith therecommendedoilandchecktheoil level.SeeRecommended
Oil Usagechart.Theengine'soilcapacityis37ounces.
DONOTusenon-detergentoil or2-strokeengineoil. Itcouldshortenthe
engine'sservicelife.
y.t,oti'o
(%-400 -200 0o 200 400
(°c) -300 -200 -100 0o
7. Reinstalltheoilfillercap/dipsticksecurely.
Thoroughlywashyourhandswith soapandwater assoonaspossibleafter
handling usedoil.
Checking Spark Plug
DONOTcheckfor sparkwith sparkplugremoved.DONOTcrankenginewith
sparkplugremoved.
Ifthe enginehasbeenrunning,the muffler will beveryhot. Becarefulnot
to touchthe muffler.
NOTE:Checkthesparkplugonceaseasonorevery25hoursofoperation.Change
thesparkplugonceaseasonorevery100hours.
Toensureproperengineoperation,thesparkplugmustbeproperlygappedand
freeofdeposits.
1. Removethesparkplugbootanduseasparkplugwrenchtoremovethe
plug.SeeFigure20.
SparkPlug
SparkPlugBoot
F
2
Figure20
Visuallyinspectthesparkplug.Discardthesparkplugifthereisapparent
wear,orif theinsulatoriscrackedorchipped.Cleanthesparkplugwith a
wirebrushif it istobereused.
Measurethepluggapwithafeelergauge.Correctasnecessarybybending
sideelectrode.SeeFigure21.Thegapshouldbesetto.02-.03inches(0.60-
0.80mm).
3
1..030 (.76 mm) Gap
2. Electrodes
3. Porcelain
Figure21
J
19
4. Checkthatthesparkplugwasherisingoodconditionandthreadthespark
pluginbyhandtopreventcross-threading.
5. Afterthesparkplugisseated,tightenwith asparkplugwrenchtocompress
thewasher.
NOTE:Wheninstallinganewsparkplug,tighten1/2-turnafterthesparkplugseats
tocompressthewasher.Whenreinstallingausedsparkplug,tighten1/8-to1/4-turn
afterthesparkplugseatstocompressthewasher.
'hot andcandama_ me.
Carburetor Adjustment
Thecarburetorisnotuseradjustable.ContactSearsParts& Repairforadjustment.
Lubrication
Drive and Shifting Mechanism
Atleastonceaseasonorafterevery25hoursofoperation,removerearcover.
Lubricateallchains,sprockets,gears,bearings,shafts,andtheshiftingmechanism.
Useengineoil oraspraylubricant.RefertoFigure22.
NOTE:Beforetippingtheunitonthefronthousing,runthefueltankemptysofuel
doesnotleakoutofthefuelcap.
1. Carefullypivotthesnowthrowerupandforwardsothat it restsontheauger
housing.
2. Removetheframecoverfromtheundersideofthesnowthrowerby
removingtheself-tappingscrewswhichsecureit. RefertoFigure27.
3. Applya lightcoatingofengineoil(or3-in-1oil)tothehexshaft.SeeFigure
22.
NOTE:Becarefulnottogetanyoilonthealuminumdriveplateorrubber
frictionwheel.Doingsowill hinderthesnowthrower'sdrivesystem.Wipe
offanyexcessorspilledoil.
f
Whe=el
4. Atleastonceaseasongreasethewheelaxlewith Arcticgrease,partnumber
737-0318.Thegreasefitting islocatedonthewheelaxletubebehindthe
wheelaxlesupportbracket.
Wheels
Atleastonceaseason,removebothwheels.Cleanandcoattheaxleswith a
multipurposeautomotivegreasebeforereinstallingwheels.
Chute Directional Control
Onceaseason,lubricatetheeyeboltbushingandthespiralwith 3-in-1oil.
Auger Shaft
Atleastonceaseason,oneatatime,removealloftheshearpinsfromthe auger
shaft.Spraylubricantinsidethehubofeachaugerspiralassemblyandaroundthe
spacersontheaugershaft.
Greasefittingscanalsobefoundateachendoftheaugershaft.Lubricatewith a
greasegunonceaseason.SeeFigure23.
Gear Case
Theaugergearcaseisequippedwith agreasefitting. Lubricatewith greaseoncea
season(orderpartnumber737-0168).SeeFigure23.
NOTE:Torelievepressure,removetheventplugbeforelubricatingthegearcase.
SeeFigure23.Failuretodosocouldresultindamagetothegearcaseseals.
Augers
Eachoftheaugerspiralassembliesissecuredtothespiralshaftwithashearpinand
cotterpin.Iftheaugershouldstrikeaforeignobjectoricejam,thesnowthroweris
designedsothatthepinsmayshear.
1. Ifaugersdonotturn,checktoseeifpinshavesheared.
2. Replacethepinsifneeded.Tworeplacementshearpinsandcotterpins
havebeenprovidedwith thesnowthrower.Sprayanoil lubricantintoshaft
beforeinsertingnewpinsandsecuringwith newcotterpins.SeeFigure23.
f
ShearPins Vent Plug GreaseFitting ;;
Bow-fiePins Spacers
Figure23
Figure22
20
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Craftsman 31BH97SJ799 Owner's manual

Category
Snow throwers
Type
Owner's manual
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