MTD 247881721 Owner's manual

Category
Snow throwers
Type
Owner's manual

This manual is also suitable for

Operator's Manual
CRRFr MRN
24" SNOW THROWER
Model No. 247.881721
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 FormI/o 769-08175B
(June17,2013)
WarrantyStatement.............................. Page2
SafeOperationPractices...................... Pages3-6
Assembly.................................... Pages8-11
Operation.................................. Pages12-15
Service&Maintenance...................... Pages16-22
Off-SeasonStorage............................. Page23
Troubleshooting............................... Page24
PartsList................................... Pages26-43
RepairProtectionAgreement................... Page46
Espa_ol......................................... Page47
CRAFTSMANTWOYEARFULLWARRANTY
FORTWOYEARSfromthedateofpurchase,thisproductiswarrantedagainstanydefectsinmaterialorworkmanship.Defectiveproductwillreceivefree
repairorfreereplacementifrepairisunavailable.
Forwarrantycoveragedetailstoobtainrepairorreplacement,visitthewebsite:www.craftsman.com
ThiswarrantycoversONLYdefectsinmaterialandworkmanship.WarrantycoveragedoesNOTinclude:
Expendableitemsthatcanwearoutfromnormalusewithinthewarrantyperiod,includingbutnotlimitedtoaugers,augerpaddles,driftcutters,skid
shoes,shaveplate,shearpins,sparkplug,aircleaner,belts,andoiifilter.
Standardmaintenanceservicing,oiichanges,ortune-ups.
Tirereplacementorrepaircausedbypuncturesfromoutsideobjects,suchasnails,thorns,stumps,orglass.
Tireorwheelreplacementorrepairresultingfromnormalwear,accident,orimproperoperationormaintenance.
Repairsnecessarybecauseofoperatorabuse,includingbutnotlimitedtodamagecausedbyover-speedingtheengine,orfromimpactingobjectsthat
bendtheframe,augershaft,etc.
Repairsnecessarybecauseofoperatornegligence,includingbutnotlimitedto,electricalandmechanicaldamagecausedbyimproperstorage,failureto
usethepropergradeandamountofengineoff,orfailuretomaintaintheequipmentaccordingtotheinstructionscontainedintheoperator'smanual.
Engine(fuelsystem)cleaningorrepairscausedbyfueldeterminedtobecontaminatedoroxidized(stale).Ingeneral,fuelshouldbeusedwithin30days
ofitspurchasedate.
Normaldeteriorationandwearoftheexteriorfinishes,orproductlabelreplacement.
Thiswarrantyisvoidifthisproductiseverusedwhileprovidingcommercialservicesorifrentedtoanotherperson.
Thiswarrantygivesyouspecificlegalrights,andyoumayalsohaveotherrightswhichvaryfromstatetostate.
SearsBrandsManagementCorporation,H0ffmanEstates,IL60179
Engine Oil: 5W-30
Fuel: Unleaded Gasoline
Engine: MTD
Model Number
Serial Number
Date of Purchase
Record the model number, serial number,
and date of purchase above.
© Sears Brands, LLC 2
Thissymbolpointsout importantsafety instructionswhich,ifnot
followed,couldendangerthe personalsafetyand/orpropertyof
yourselfandothers.Readandfollow all instructionsinthismanual
beforeattempting to operatethis machine.Failureto complywith these
instructionsmayresultinpersonalinjury.Whenyouseethis symbol,HEED
ITSWARNING!
CALIFORNIA PROPOSITION 65
EngineExhaust,someofits constituents,andcertainvehiclecomponents
containor emit chemicalsknowntoStateof Californiatocausecancerand
birth defectsorother reproductiveharm.
Thismachinewasbuilt tobeoperatedaccordingtothesafeoperation
practicesinthis manual.Aswith anytype of powerequipment,
carelessnessorerroronthe part ofthe operatorcanresultinseriousinjury.
Thismachineiscapableof amputatingfingers, hands,toesandfeet and
throwingdebris.Failuretoobservethefollowing safety instructionscould
resultinseriousinjuryor death.
Your Responsibility--Restrict theuseofthis powermachineto
personswhoread,understandandfollow thewarningsand instructionsin
thismanualandonthe machine.
SAVETHESEINSTRUCTIONS!
TRAINING
Read,understand,andfollowall instructionsonthemachineandinthe
manual(s)beforeattemptingtoassembleandoperate.Failuretodosocan
resultinseriousinjurytotheoperatorand/orbystanders.Keepthis manual
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.
Useagroundedthree-wireextensioncordandreceptacleforallmachines
with electricstartengines.
Disengageallcontrolleversbeforestartingtheengine.
Adjustcollectorhousingheighttocleargravelorcrushedrocksurfaces.
Neverattempttomakeanyadjustmentswhileengineisrunning,except
wherespecificallyrecommendedintheoperator'smanual.
Letengineandmachineadjusttooutdoortemperaturebeforestartingto
clearsnow.
Safe Handling of Gasoline:
Toavoidpersonalinjuryor propertydamageuseextremecareinhandling
gasoline.Gasolineisextremelyflammableandthe vaporsareexplosive.
Seriouspersonalinjurycanoccurwhengasolineisspilledonyourselforyour
clotheswhichcanignite. Washyourskinandchangeclothesimmediately.
Useonlyanapprovedgasolinecontainer.
Neverfillcontainersinsideavehicleoronatruckortrailerbedwitha plastic
liner.Alwaysplacecontainersonthegroundawayfromyourvehiclebefore
filling.
Whenpractical,removegas-poweredequipmentfromthetruckor
trailerandrefuelit ontheground.Ifthisisnotpossible,thenrefuelsuch
equipmentonatrailerwithaportablecontainer,ratherthanfromagasoline
dispensernozzle.
Keepthenozzleincontactwiththerimofthefueltankorcontaineropening
atalltimesuntilfuelingiscomplete.Donotusea nozzlelock-opendevice.
Extinguishallcigarettes,cigars,pipesandothersourcesofignition.
Neverfuelmachineindoors.
Neverremovegascaporaddfuelwhiletheengineishotorrunning.Allow
enginetocoolatleasttwominutesbeforerefueling.
Neveroverfill fueltank.Filltankto nomorethan1/2inchbelowbottomof
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.
Neveroperatewithamissingordamagedchuteassembly.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/impellerwhentransportingornotin use.
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
Handcontactwiththerotatingimpellerinsidethedischargechuteisthemost
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,sparkorpilotlightsuchasawaterheater,furnace,clothesdryeretc.
Alwaysrefertotheoperator'smanualforproperinstructionsonoff-season
storage.
4
Checkfuelline,tank,cap,andfittingsfrequentlyforcracksor leaks.Replace
if necessary.
Donotcrankenginewith sparkplugremoved.
AccordingtotheConsumerProductsSafetyCommission(CPSC)andthe
U.S.EnvironmentalProtectionAgency(EPA),thisproducthasanAverage
Useful Lifeofseven(7)years,or60hoursofoperation.Attheendof
theAverage Useful Lifehavethemachineinspectedannuallybyan
authorizedservicedealertoensurethat allmechanicalandsafetysystems
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
Engineswhicharecertifiedto complywith CaliforniaandfederalEPA
emissionregulationsfor SORE(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
sparkarrestormeetingapplicablelocalorstatelaws(ifany).
Ira sparkarrestorisused,it shouldbemaintainedin effectiveworking order
bythe operator.IntheStateofCaliforniathe aboveisrequiredbylaw (Section
4442ofthe CaliforniaPublicResourcesCode).Otherstatesmayhavesimilar
laws.Federallawsapplyonfederal lands.
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
This pageleft intentionallyblank.
7
NOTE:Referencestorightor leftsideofthesnowthroweraredeterminedfrom
behindtheunitin theoperatingposition(standingdirectlybehindthesnow
thrower,facingthehandlepanel).
Removing FromCarton
1. Cutthecornersofthecartonandlaythesidesflatontheground.Remove
anddiscardallpackinginserts.
2. Movethesnowthroweroutofthecarton.
3. Makecertainthecartonhasbeencompletelyemptiedbeforediscardingit.
Assembly
1. PlacetheshiftleverintheForward-6position.
2. Observethelowerrearareaofthesnowthrowertobesurebothcablesare
alignedwith rollerguidesbeforepivotingthehandleupward.SeeFigure1.
NOTE:Makecertaintheupperendsofeachcableareseatedproperlyin its
bracket.
3. Securethehandlebytighteningtheplasticwingknoblocatedonboththe
leftandrightsidesofthehandle.SeeFigure2.Removeanddiscardany
rubberbands,ifpresent.Theyareforpackagingpurposesonly.
f
k.
Figure1
/
/
/
/
\
Figure2
8
4. Pivotflangekeepersoutandpositionthechuteassemblyoverthe base.See
Figure3.
5. Closetheflangekeeperstosecurethechuteassemblytothechutebase.See
Figure4.Theflangekeeperswill clickintoplacewhenproperlysecure.
NOTE:Iftheflangekeeperswill noteasilyclickintoplace,usethepalmof
yourhandto applyswift,firm pressuretothebackofeach.
6. Removethecap,flat washer,andhairpinclipfromtheendofthechute
directionalcontrol.
Inserttheendofthechutedirectionalcontrolintothelowerbracketand
securewith theflatwasherandhairpinclipjustremoved.SeeFigure5.
Ifnecessary,thelowerbracketcanbeadjusted.RefertoChuteBracket
AdjustmentintheService& Maintenancesection.
f
Figure4
f
Figure3
J
Figure5
9
Set-Up f
ChuteClean-OutTool
Achuteclean-outtoolisfastenedtothetopoftheaugerhousingwith amounting
clip.SeeFigure6.Thetoolisdesignedtoclearachuteassemblyoficeandsnow.
Thisitemisfastenedwitha cabletieatthefactory.Cutthecabletiebefore
operatingthesnowthrower.
Neveruseyourhandstoclearacloggedchuteassembly.Shutoff engine
andremainbehindhandlesuntil all movingpartshavestoppedbefore
usingthe clean-outtool to clearthe chuteassembly.
TirePressure
Underanycircumstancedo notexceedmanufacturer'srecommendedpsi.
Equaltire pressureshouldbemaintainedat alltimes.Excessivepressure
when seatingbeadsmaycausetireldm assemblyto burstwith force
sufficient tocauseseriousinjury. Refertosidewalloftirefor recommended
pressure.
Thetiresareover-inflatedforshippingpurposes.Checkthetire pressurebefore
operatingthesnowthrower.Refertothetiresidewallfortiremanufacturer's
recommendedpsianddeflate(orinflate)thetiresasnecessary.
NOTE:Equaltire pressureisto bemaintainedatalltimesforperformancepurposes.
Adjustments
SkidShoes
Thesnowthrowerskidshoesareadjustedupwardatthefactoryforshipping
purposes.Adjustthemdownward,ifdesired,priortooperatingthesnowthrower.
Itisnotrecommendedthat youoperatethissnowthroweron gravelas
it caneasilypickupandthrow loosegravel,causingpersonalinjury or
damageto thesnowthrower andsurroundingproperty.
Forclosesnowremovalonasmoothsurface,raiseskidshoeshigheronthe
augerhousing.Referto Figure7.
Useamiddleorlowerpositionwhentheareatobeclearedisuneven,suchas
agraveldriveway.
NOTE:Ifyouchoosetooperatethesnowthroweronagravelsurface,keep
theskidshoesinpositionformaximumclearancebetweenthegroundand
theshaveplate.
Toadjusttheskidshoes:
1. Loosenthefourhexnuts(twooneachside)andcarriagebolts.Moveskid
shoestodesiredposition.SeeFigure7.
2. Makecertaintheentirebottomsurfaceofskidshoeisagainstthegroundto
avoidunevenwearontheskidshoes.
ChuteClean-out Tool
Figure6
SmoothSurface
UnevenSurface
Figure7
3. Retightennutsandboltssecurely.
10
Chute f %
Thedistancesnowisthrowncanbeadjustedbychangingtheangleoftheupper
chute.Todoso:
2_
Stoptheenginebyremovingtheignitionkeyandloosentheplasticwing
knobfoundonthe leftsideofthechuteassembly.
Pivotthechuteupwardordownwardbeforeretighteningthewingknob.
SeeFigure8.
AugerControl
Priorto operatingyoursnowthrower,carefullyreadand follow all
instructionsbelow.Performall adjustmentsto verifyyoursnowthrower is
operatingsafelyandproperly.
Checktheadjustmentoftheaugercontrolasfollows:
1. Theaugercontrolislocatedonthelefthandle.SeeFigure9inset.Whenthe
augercontrolisreleasedandinthedisengaged"up"position,thecable
shouldhaveverylittle slack.ItshouldNOTbetight.
2. Inawell-ventilatedarea,startthesnowthrowerengine.Referto Starting
theEngineintheOperationsection.
3. Whilestandingintheoperator'sposition(behindthesnowthrower),engage
theauger.
4. Allowtheaugerto remainengagedforapproximatelyten(10)seconds
beforereleasingtheaugercontrol.Repeatthisseveraltimes.
5. Withtheaugercontrolin thedisengaged"up"position,walkto thefrontof
themachine.
6. Confirmthat theaugerhascompletelystoppedrotatingandshowsNOsigns
ofmotion.IftheaugershowsANYsignsofrotating,immediatelyreturnto
theoperator'spositionandshutofftheengine.WaitforALLmovingpartsto
stopbeforeadjustingtheaugercontrol.
7. Toreadjustthecontrolcable,loosenthe upperhexboltontheaugercable
bracket.SeeFigure9.
8. Positionthebracketupwardtoprovidemoreslack(ordownwardtoincrease
cabletension).
9. Retightentheupperhexbolt.
10. Repeatsteps2-6abovetoverifyproperadjustmenthasbeenachieved.
f
Figure8
\\
..........
J
J
Figure9
11
Drive Control
Shift Lever
J
Auger Control
Gas Cap
\
Chute Assembly
\,
Clean Out
Tool
Auger
Housing
\
Augers
Oil Fill
\\\\
\\
\
Muffler Recoil Starter
ndle
\
\
Key
Skid Shoes
Figure10
Nowthatyouhavesetupyoursnowthrower,it'simportanttobecomeacquainted
with itscontrolsandfeatures.Referto Figure10.
ShiftLever
I_ '_1 ' ' ' ' ' '
1 2345 6
Theshiftleverislocatedonthedashpanel.Placetheshiftleverintoanyofeight
positionstocontrolthedirectionoftravelandgroundspeed.
Forward
Yoursnowthrowerhassixforward(F)speeds.Positionone(1)istheslowestand
positionsix(6)isthe fastest.
Key
Thekeyisasafetydevice.Itmustbefullyinsertedin
orderfortheenginetostart.Removethekeywhenthe
snowthrowerisnotin use.
NOTE:Donotturntheignitionkeyinanattempttostart
theengine.Doingsomaycauseittobreak.
ChokeControl
Thechokecontrolisfoundontherearoftheengineandis
activatedbyturningtherotarychokeknobtotheCHOKE
position.Activatingthechokecontrolclosesthechoke
plateonthecarburetorandaidsinstartingtheengine.
Reverse
Yoursnowthrowerhastworeverse(R)speeds.One(1)istheslowerandtwo(2)is
thefaster.
MeetsANSiSafetyStandards
CraftsmanSnowThrowersconformtothesafetystandardoftheAmericanNationalStandardsInstitute(ANSI).
12
Throttlecontrol
Thethrottlecontrolislocatedontherearoftheengine.Itregulatesthespeedofthe
engineandwill shutoffthe enginewhenmovedintotheSTOPposition.
Depressingtheprimerforcesfueldirectlyintothe _e 444
engine'scarburetortoaidincold-weatherstarting. 3X
RecoilStarter Handle
Thishandleisusedtomanuallystarttheengine.
ElectricStarter Button
Pressingtheelectricstarterbuttonengagestheengine'selectricstarterwhen
pluggedintoa 120Vpowersource.
ElectricStarter Outlet
Requirestheuseofathree-prongoutdoorextensioncordanda 120Vpowersource/
walloutlet.
OUFill
Engineoillevelcanbecheckedandoiladdedthroughtheoil fill.
GasCap
Unthreadthegascaptoaddgasolinetothefueltank.
Auger
Whenengaged,theaugerbladesrotateanddrawsnowintotheaugerhousing.
ChuteAssembly
Snowdrawnintotheaugerhousingisdischargedoutthechuteassembly.
AugerControl
f
AUGER
CONTROL
DriveControl/Auger Control Lock
f DRIVE
CONTROL
Thedrivecontrolislocatedontherighthandle.Squeezethecontrolgripagainstthe
handletoengagethewheeldrive.Releasetostop.
NOTE:Alwaysreleasethedrivecontrolbeforechangingspeeds.Failuretodosowill
resultinincreasedwearonyourmachine'sdrivesystem.
ChuteDirectional Control
f
CHUTE DIRECTIONAL CONTROL
DISCHARGE
LEFT
ADJUSTABLE
CHUTETILT
Thechutedirectionalcontrolislocatedonleftsideofthesnowthrower.Tochange
thedirectioninwhichsnowisthrown,rotatethechutedirectionalcontrol.
SkidShoes
Positiontheskidshoesbasedonsurfaceconditions.Adjustupwardforhard-packed
snow.Adjustdownwardwhenoperatingongravelorcrushedrocksurfaces.
Theaugercontrolislocatedonthelefthandle.Squeezethecontrolgripagainstthe
handletoengagetheaugerandstartsnowthrowingaction.Releasetostop.
13
Clean-OutTool
Neveruseyourhandstoclearacloggedchuteassembly.Shutoff engine
andremainbehindhandlesuntil all movingpartshavestoppedbefore
usingthe clean-outtool to clearthechuteassembly.
Thechutedean-outtoolisconvenientlyfastenedtotherearoftheaugerhousing
with amountingclip.Shouldsnowandicebecomelodgedin thechuteassembly
duringoperation,proceedasfollowstosafelycleanthechuteassemblyandchute
opening:
1. ReleaseboththeAugerControlandthe DriveControl.
2. Stoptheenginebyremovingtheignitionkey.
3. Removetheclean-outtoolfromtheclipwhichsecuresit totherearofthe
augerhousing.
4. Usetheshovel-shapedendoftheclean-outtooltodislodgeandscoopany
snowandicewhichhasformedinandnearthechuteassembly.
5. Refastentheclean-outtooltothemountingdipontherearoftheauger
housing,reinserttheignitionkeyandstartthesnowthrower'sengine.
6. Whilestandingintheoperator'sposition(behindthesnowthrower),engage
theaugercontrolforafewsecondstoclearanyremainingsnowandicefrom
thechuteassembly.
BeforeStartingEngine
Read,understand,andfollow all instructionsandwarningsonthe
machineandinthis manualbeforeoperating.
Oil
Theunitwasshippedwith oilintheengine.Checkoillevelbeforeeachoperationto
ensureadequateoilin theengine.
flO?E:Besuretochecktheengineonalevelsurfacewith theenginestopped.
1. Removetheoilfillercap/dipstickandwipethedipstickclean.
2. Insertthecap/dipstickintotheoilfillerneck,butdoNOTscrewit in.
3. Removetheoilfillercap/dipstick.Ifthelevelislow,slowlyaddoil(5W-30,
with aminimumclassificationofSF/SG)untiloillevelregistersbetweenhigh
(H)andlow(L).
4.
flOTE:Donotoverfill.Overfillingwith oilmayresultinenginesmoking,hard
startingorsparkplugfouling.
Replaceandtightencap/dipstickfirmlybeforestartingengine.
Gasoline
Useautomotivegasoline(unleadedorlowleadedtominimizecombustionchamber
deposits)withaminimumof87octane.Gasolinewith upto10%ethanolor15%
MTBE(MethylTertiaryButylEther)canbeused.Neveruseanoil/gasolinemixture
ordirtygasoline.Avoidgettingdirt,dust,orwaterinthefueltank.DONOTuseE85
gasoline.
Refuelin awell-ventilatedareawith theenginestopped.Donotsmokeor
allowflamesorsparksin theareawheretheengineisrefueledorwhere
gasolineisstored.
Donotoverfillthefueltank.Afterrefueling,makesurethetankcapisclosed
properlyandsecurely.
Becarefulnottospillfuelwhenrefueling.Spilledfuelorfuelvapormay
ignite.If anyfuelisspilled,makesuretheareaisdry beforestartingthe
engine.
Avoidrepeatedorprolongedcontactwithskinorbreathingofvapor.
Useextremecarewhenhandling gasoline.Gasolineisextremely
flammableandthe vaporsareexplosive.Neverfuel the machineindoorsor
while the engineishotor running. Extinguishcigarettes,cigars,pipesand
othersourcesofignition.
1.
2.
Cleanaroundfuelfill beforeremovingcaptofuel.
Afuellevelindicatorislocatedinthefueltank.SeeFigure10inset.Be
carefulnottooverfill.Filltankuntilfuelreachesthefuellevelindicatorto
allowspacefor fuelexpansion.
Starting TheEngine
Alwayskeephandsandfeet clearof movingparts.Donot useapressurized
starting fluid. Vaporsareflammable.
flOTE:Allowtheenginetowarmupfor afewminutesafterstarting.Theenginewill
notdevelopfull poweruntilit reachesoperatingtemperatures.
1. Makecertainboththeaugercontrolanddrivecontrolareinthedisengaged
(released)position.
2. Insertkeyintoslot.Makesureit snapsintoplace.Donotattempttoturnthe
key.
NOTE:Theenginecannotstartwithoutthekeyfully insertedintothe
ignitionswitch.
ElectricStarter
Theelectric starterisequippedwith agroundedthree-wireplug,and is
designedto operateon120volt AChouseholdcurrent.It mustbeused
with a properlygroundedthree-prong receptacleat alltimes toavoid
the possibilityof electricshock.Followall instructionscarefullypriorto
operatingthe electricstarter. DONOTuseelectric starterinthe rain.
Determinethatyourhome'swring isathree-wiregroundedsystem.Askalicensed
electricianif youarenotcertain.
Ifyouhaveagroundedthree-prongreceptacle,proceedasfollows.Ifyoudonot
havetheproperhousewiring,DONOTusetheelectricstarterunderanyconditions.
1. Pluganextensioncordintotheoutletlocatedontheengine'ssurface.Plug
theotherendofextensioncordintoathree-prong120-volt,grounded,AC
outletinawell-ventilatedarea.
Theextensioncordcanbeanylength, but must beratedfor 15ampsat
125volts,groundedandratedfor outdoor use.
14
2. Movethrottlecontrolto FAST(rabbit)_Jl__ position.
3 MovechoketotheCHOKEI,'Ipos t on co,deng nestart),fengine s
warm,placechokein RUNposition.
4. Pushprimerthree(3)times,makingsuretocoverventholeinprimerbulb
whenpushing.Ifengineiswarm,pushprimeronlyonce.Alwayscovervent
holewhenpushing.Coolweathermayrequireprimingtoberepeated.
5. Pushstarterbuttontostartengine.Oncetheenginestarts,immediately
releasestarterbutton.Electricstarterisequippedwiththermaloverload
protection;systemwill temporarilyshut-downtoallowstartertocoolif
electricstarterbecomesoverloaded.
6.
Astheenginewarms,slowlyrotatethechokecontroltoRUNposition.Ifthe
enginefalters,restartengineandrunwith chokeathalf-chokepositionfor a
shortperiodoftime,andthenslowlyrotatethechokeinto RUNposition.
Afterengineisrunning,disconnectpowercordfromelectricstarter.When
disconnecting,alwaysunplugtheendatthewalloutletbeforeunplugging
theoppositeendfromtheengine.
RecoilStarter
Donotpull the starter handlewhilethe enginerunning.
1. Movethrottlecontrolto FAST(rabbit)_ _j position.
2. MovechoketotheCHOKEI,.1position(coldenginestart).Ifengineis
warm,placechokein RUNposition.
3. Pushprimerthree(3)times,makingsuretocoverventholewhenpushing.
Ifengineiswarm,pushprimeronlyonce.Alwayscoverventholewhen
pushing.Coolweathermayrequireprimingtoberepeated.
4. Pullgentlyonthestarterhandleuntilit beginsto resist,thenpullquickly
andforcefullytoovercomethecompression.Donotreleasethe handleand
allowit tosnapback.ReturnropeSLOWLYtooriginalposition.Ifrequired,
repeatthisstep.
5. Astheenginewarms,slowlyrotatethechokecontroltoRUNposition.Ifthe
enginefalters,restartengineandrunwith chokeathalf-chokepositionfor a
shortperiodoftime,andthenslowlyrotatethechokeinto RUNposition.
Toavoidunsupervisedengineoperation,neverleavethe machine
unattendedwith theenginerunning. Turnthe engineoff after useand
removekey.
Stopping TheEngine
Afteryouhavefinishedsnow-throwing,runenginefor afewminutesbefore
stoppingtohelpdryoffanymoistureontheengine.
1. Movethrottlecontrolto OFFposition.
2. Removethekey.Removingthe keywill reducethepossibilityof
unauthorizedstartingoftheenginewhileequipmentisnotinuse.Keepthe
keyinasafeplace.Theenginecannotstartwithout thekey.
3. Wipeanymoistureawayfromthecontrolsontheengine.
ToEngageDrive
1. Withthethrottlecontrolinthe Fast(rabbit)_ _1 position,moveshiftlever
intooneofthesixforward(F)positionsortworeverse(R)positions.Selecta
speedappropriateforthesnowconditionsandapaceyou'recomfortable
with.
flOTE:Whenselectinga DriveSpeed,usetheslowerspeedsuntilyouare
comfortableandfamiliarwith theoperationofthesnowthrower.
2. Squeezethedrivecontrolagainstthehandleandthesnowthrowerwill
move.Releaseit anddrivemotionwill stop.
NOTE:NEVERrepositiontheshiftlever(changespeedsordirectionoftravel)
withoutfirstreleasingthedrivecontrolandbringingthesnowthrowertoa
completestop.Doingsowill resultinprematureweartothesnowthrower'sdrive
system.
ToEngageAuger
Toengagetheaugerandstartthrowingsnow,squeezetheaugercontrol
againstthelefthandle.Releasetostoptheauger.
ReplacingShearPins
Eachaugerbladeissecuredtothespiralshaftwith ashearpinandbow-tieclip.If
anaugerbladestrikesaforeignobjectoricejam,thepinwill shearoff toprevent
damagetotheblade.Ifanaugerbladedoesnotturn,checktoseeif itspinhas
shearedoff. SeeFigure11.
NEVERreplacethe augershearpinswith anything otherthan SearsSKU#
88389/0EMPartNo.738-04124Areplacementshearpins.Anydamageto
the augergearboxorother componentsasaresultoffailing to dosowill
NOTbecoveredbyyoursnowthrower'swarranty.
Alwaysturn off the snowthrower'sengineand removethe keypriorto
replacingshearpins.
J
Figure11
15
MAINTENANCESCHEDULE
Beforeperforminganytypeof maintenance/service,disengageallcontrols
andstopthe engine.Wait until allmovingpartshavecometo acomplete
stop.Disconnectsparkplug wireandgrounditagainstthe engineto
preventunintendedstarting.
EachUseand every5hours
Ist5hours
Annuallyor25hours
Annuallyor50hours
Annuallyor100hours
BeforeStorage
Followthemaintenanceschedulegivenbelow.Thischartdescribesservice
guidelinesonly.UsetheServiceLogcolumntokeeptrackofcompleted
maintenancetasks.TolocatethenearestSearsServiceCenterortoscheduleservice,
simplycontactSearsat1-800-4-MY-HOME®.
1. Engineoil level
2. Looseormissinghardware
3. Unitandengine.
1. Englneoil
1. Sparkplug
2. Controllinkagesandpivots
3. Wheels
4. GearshaftandAugershaft
1. Englneoil
1. Sparkplug
1. Fuelsystem
GENERALRECOMMENDATIONS
CheckingEngineOil
Beforelubricating, repairing,or inspecting,disengageall controlsandstop
engine.Waituntil all movingparts havecometo acompletestop.
NOTE:Checktheoillevelbeforeeachusetobesurecorrectoillevelismaintained.
Whenaddingoiltotheengine,refertoviscositychartbelow.Engineoilcapacity
is600ml(approx.20oz.).Donotover-fill.Usea4-stroke,oranequivalenthigh
detergent,premiumqualitymotoroilcertifiedtomeetorexceedU.S.automobile
manufacturer'srequirementsforserviceclassificationSG,SF.Motoroilsclassified
SG,SFwill showthisdesignationonthecontainer.
1. Removetheoilfillercap/dipstkkandwipethedipstickclean.
2. Insertthecap/dipstickintotheoilfillerneck,butdoNOTscrewitin.
3. Removetheoilfillercap/dipstick.Iflevelislow,slowlyaddoiluntiloillevel
registersbetweenhigh(H)andlow(L).SeeFigure12.
4. Replaceandtightencap/dipstickfirmlybeforestartingengine.
ChangingEngineOil
/VOTE."Changetheengineoilafterthefirst5hoursofoperationandonceaseason
orevery50hoursthereafter.
1. Drainfuelfromtankbyrunningengineuntilthefueltankisempty.Besure
fuelfill capissecure.
2. Placesuitableoilcollectioncontainerunderoil drainplug.
3. Removeoildrainplug.SeeFigure13onnextpage.
4. Tipunittodrainoil intothecontainer.Usedoilmustbedisposedofata
propercollectioncenter.
1. Check
2. Tightenorreplace
3. Clean
1. Change
1. Check
2. Lubewithlightoil
3. Lubewithmultipurposeautogrease
4. Lubewithlightoil
1. Change
1. Change
1. Runengineuntilitstopsfromlackoffuel
Figure12
16
Usedoil isahazardouswasteproduct.Disposeofusedoil properly.Donot
discardwith householdwaste.Checkwithyourlocalauthorities or Sears
ServiceCenterforsafedisposal/recyclingfacilities.
Reinstallthedrainplugandtightenitsecurely.
J
Refillwith therecommendedoilandchecktheoil level.SeeRecommended
OilUsagechart.Theengine'soilcapacityis20ounces.
(oF)-40o-20 o 0o 20o 40o
(oc) -30° -20° -10° 0°
DONOTusenondetergentoil or 2-strokeengineoil. it couldshortenthe
engine'sservicelife.
7. Reinstalltheoilfillercap/dipsticksecurely.
Thoroughlywashyourhandswith soapandwaterassoonaspossibleafter
handlingusedoil.
CheckingSparkPlug
DONOTcheckfor sparkwith sparkplug removed.DONOTcrankenginewith
sparkplug removed.
Ifthe enginehasbeenrunning,the muffler will beveryhot. Becarefulnot
to touchthe muffler.
NOTE:Checkthesparkplugonceaseasonorevery25hoursofoperation.Change
thesparkplugonceaseasonorevery100hours.Toensureproperengineoperation,
thesparkplugmustbeproperlygappedandfreeofdeposits.
1. Removethesparkplugbootanduseasparkplugwrenchtoremovethe
plug.SeeFigure14.
2. Visuallyinspectthesparkplug.Discardthesparkplugifthereisapparent
wear,oriftheinsulatoriscrackedorchipped.Cleanthesparkplugwitha
wirebrushifitistobereused.
3.
Measurethepluggapwith afeelergauge.Correctasnecessarybybending
sideelectrode.SeeFigure15.Thegapshouldbesetto.02-.03inches(0.60-
0.80mm).
4. Checkthatthesparkplugwasherisin goodconditionandthreadthespark
pluginbyhandtopreventcross-threading.
5. Afterthesparkplugisseated,tightenwith asparkplugwrenchtocompress
thewasher.
NOTE:Wheninstallinganewsparkplug,tighten1/2-turnafterthesparkplug
seatstocompressthewasher.Whenreinstallingausedsparkplug,tighten1/8-to
1/4-turnafterthesparkplugseatsto compressthewasher.
OilDrain
Plug \
Figure13
E
SparkPlug
SparkPlugBoot
Figure14
Thesparkplug mustbetightened securely.Aloosesparkplugcanbecome
very hotandcandamagetheengine.
17
Figure15
Lubrication "I
GearShaft
Thegear(hex)shaftshouldbelubricatedatleastonceaseasonorafterevery25
hoursofoperation.
I. Topreventspillage,removeallfuelfromtankbyrunningengineuntilit
stops.
2. Carefullypivotthesnowthrowerupandforwardsothatit restsontheauger
housing.
3. Removethelowerframecoverfromtheundersideofthesnowthrowerby
removingtheself-tappingscrewswhichsecureit.
4. Applyalightcoatingofengineoil(or3-in-1oil)tothehexshaft.SeeFigure
16.
NOTE:Whenlubricatingthe hexshaft,becarefulnottogetanyoilonthealuminum
driveplateorrubberfrictionwheel.Doingsowill hinderthesnowthrower'sdrive
system.Wipeoffanyexcessorspilledoil.
Wheels
Atleastonceaseason,removebothwheels.Cleanandcoattheaxleswitha
multipurposeautomotivegreasebeforereinstallingwheels.
ChuteDirectional Control
Onceaseason,lubricatetheeyeboltbushingandthespiralwith 3-in-1oil.
AugerShaft
Atleastonceaseason,removetheshearpinsonaugershaft.Spraylubricantinside
shaft,andaroundthespacersandflangebearingsfoundateitherendoftheshaft.
SeeFigure17.
ShavePlateand SkidShoes
Theshaveplateandskidshoesonthebottomofthesnowthroweraresubjectto
wear.Theyshouldbecheckedperiodkallyandreplacedwhennecessary.
flOTE:Theskidshoesonthismachinehavetwowearedges.Whenonesidewears
out,theycanberotated180°tousetheotheredge.
Toremoveskidshoes:
Removethetwocarriagebolts,washers,andhexflangenutsthatsecure
eachskidshoetothesnowthrower.
2. Reassemblenewskidshoeswith thefourcarriagebolts(twooneachside),
washers,andhexflangenuts.Referto Figure18.
Toremoveshaveplate:
1. Removethecarriageboltsandhexnutswhichattachit tothesnowthrower
housing.
2. Reassemblenewshaveplate,makingsureheadsofcarriageboltsaretothe
insideofhousing.Tightensecurely.SeeFigure18.
f
Figure16
J
f_S /
f
Figure17
NOTE:Angers not shown for clarity.
4_
Figure18
18
Adjustments f
Shift Cable
I.
2.
3.
4.
Drive
Ifthefull rangeofspeeds(forwardandreverse)cannotbeachieved,refertothe
figuretotherightandadjusttheshiftcableasfollows:
Placetheshiftleverinthefastestforwardspeedposition(F6).
Loosenthehex nutontheshiftcableindexbracket.SeeFigure19.
Pivotthebracketdownwardtotakeupslackinthecable.
Retightenthehexnut.
Control
Whenthedrivecontrolisreleasedandinthedisengaged"up"position,thecable
shouldhaveverylittle slack.ItshouldNOTbetight. Also,ifthereisexcessiveslack
inthedrivecableor iftheunitexperiencesintermittentdrivewhileusing,thecable
mayneedtobeadjusted.Checktheadjustmentofthedrivecontrolasfollows:
1. Withthedrivecontrolreleased,pushthesnowthrowergentlyforward.The
unitshouldrollfreely.
2. Engagethedrivecontrolandgentlyattemptto pushthesnowthrower
forward.Thewheelsshouldnotturn.Theunitshouldnotrollfreely.
3. Withthedrivecontrolreleased,movetheshiftleverbackandforthbetween
theR2positionandthe F6positionseveraltimes.Thereshouldbeno
resistanceintheshiftlever.
4.
Ifanyoftheabovetestsfailed,thedrivecableisinneedofadjustment.
Proceedasfollows:
a. Shutoff theengineasinstructedinthe Operationsection.
b. Loosenthelowerhexboltonthedrivecablebracket.SeeFigure20.
c. Positionthebracketupwardtoprovidemoreslack(ordownwardto
increasecabletension).
d. Retightenthelowerhexbolt.
ChuteBracket
Ifthespiralatthebottomofthechutedirectionalcontrolisnotfullyengagingwith
thechuteassembly,thechutebracketcanbeadjusted.Todoso:
1. Loosenthetwonutswhichsecurethechutebracketandrepositionit
slightly.SeeFigure21.
2. Retightenthenuts.
Figure19
Figure20
Figure21
19
AugerControl
RefertotheAssemblysectionforinstructionsonadjustingtheaugercontrolcable.
SkidShoes
RefertotheAssemblysectionforinstructionsonadjustingtheskidshoes.
8eR Replacement
Auger Belt
Toremoveandreplaceyoursnowthrower'saugerbelt,proceedasfollows:
I. Topreventspillage,removeallfuelfromtankbyrunningengineuntilit
stops.
2. Removetheplasticbeltcoveronthefrontoftheenginebyremovingthetwo
self-tappingscrews.SeeFigure22.
3. Rolltheaugerbeltoffthe enginepulley.SeeFigure23.
4. Carefullypivotthesnowthrowerupandforwardsothatit restsontheauger
housing.
5. Removetheframecoverfromtheundersideofthesnowthrowerby
removingfourself-tappingscrewswhichsecureit. SeeFigure24.
f
Figure22
J
Figure23
J
Figure24
.J
2O
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MTD 247881721 Owner's manual

Category
Snow throwers
Type
Owner's manual
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