MTD 31AS53TF799 Owner's manual

Category
Snow throwers
Type
Owner's manual

This manual is also suitable for

Operator's Manual
CRRFr MRN
26" SNOW THROWER
Model No. 247.886914
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 FormNo. 769-051341
(June21,2013)
WarrantyStatement.............................. Page2
SafeOperationPractices...................... Pages3-6
Assembly.................................... Pages8-13
Operation.................................. Pages14-17
Service&Maintenance....................... Pages18-23
Off-SeasonStorage............................. Page24
Troubleshooting............................ Page26-27
PartsList................................... Pages28-47
RepairProtectionAgreement................... Page50
Espa_ol......................................... Page51
CRAFTSMANTWOYEARFULLWARRANTY
FORTWOYEARSfromthedateofpurchase,thisproductiswarrantedagainstanydefectsinmaterialorworkmanship.Defectiveproductwillreceivefree
repairorfreereplacementifrepairisunavailable.
ADDITIONALLIFETIMELIMITEDWARRANTYonUPPERand LOWERCHUTE
FORASLONGASITISUSEDbytheoriginalownerafterthesecondyearfromthedateofpurchase,theupperandlowerchuteofthissnowthrowerare
warrantedagainstanydefectsinmaterialorworkmanshipasverifiedbyaSearsauthorizedserviceprovider.Withproofofpurchase,youwill receiveanew
chutefreeofcharge.Youareresponsibleforthelaborcostofinstallationandanycostincurredtoverifythedefect.
Forwarrantycoveragedetailstoobtainrepairorreplacement,visitthewebsite:www.craftsman.com
ThiswarrantycoversONLYdefectsinmaterialandworkmanship.WarrantycoveragedoesNOTinclude:
Expendableitemsthatcanwearoutfromnormalusewithinthewarrantyperiod,includingbutnotlimitedtoaugers,augerpaddles,drift cutters,skid
shoes,shaveplate,shearpins,sparkplug,aircleaner,belts,andoilfilter.
Standardmaintenanceservicing,oilchanges,ortune-ups.
Tirereplacementorrepaircausedbypuncturesfromoutsideobjects,suchasnails,thorns,stumps,orglass.
Tireorwheelreplacementorrepairresultingfromnormalwear,accident,orimproperoperationormaintenance.
Repairsnecessarybecauseofoperatorabuse,includingbutnotlimitedtodamagecausedbyover-speedingtheengine,orfromimpactingobjectsthat
bendtheframe,augershaft,etc.
Repairsnecessarybecauseofoperatornegligence,includingbutnotlimitedto,electricalandmechanicaldamagecausedbyimproperstorage,failureto
usethepropergradeandamountofengineoil,orfailuretomaintaintheequipmentaccordingtotheinstructionscontainedintheoperator'smanual.
Engine(fuelsystem)cleaningorrepairscausedbyfueldeterminedtobecontaminatedoroxidized(stale).Ingeneral,fuelshouldbeusedwithin30days
ofitspurchasedate.
Normaldeteriorationandwearoftheexteriorfinishes,orproductlabelreplacement.
Thiswarrantyisvoidifthisproductiseverusedwhileprovidingcommercialservicesorifrentedtoanotherperson.
Thiswarrantygivesyouspecificlegalrights,andyoumayalsohaveotherrightswhichvaryfromstatetostate.
SearsBrandsManagementCorporation,NoffmanEstates,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 importantsafetyinstructionswhich,ifnot
followed,couldendangerthe personalsafetyand/orproperty of
yourselfandothers.Readandfollow all instructionsinthismanual
beforeattempting to operatethis machine.Failureto complywith these
instructionsmayresultinpersonalinjury.Whenyouseethissymbol,HEED
ITSWARNING!
CALIFORNIA PROPOSITION 65
EngineExhaust,someofits constituents,and certainvehiclecomponents
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 safety instructionscould
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.
Neverallowchildrenunder14yearsofagetooperatethis machine.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.
Neverfillcontainersinsideavehicleorona truckortrailerbedwitha plastic
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.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.
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
yourfootingandkeepafirm holdonthehandles.Walk,neverrun.
Disengagepowertotheauger/impellerwhentransportingornotin use.
Neveroperatemachineathightransportspeedsonslipperysurfaces.Look
downandbehindandusecarewhenbackingup.
Ifthemachineshouldstarttovibrateabnormally,stoptheengine,
disconnectthesparkplugwireandgrounditagainsttheengine.Inspect
thoroughlyfordamage.Repairanydamagebeforestartingandoperating.
Disengageallcontrolleversandstopenginebeforeyouleavetheoperating
position(behindthehandles).Waituntiltheauger/impellercomesto
acompletestopbeforeuncloggingthechuteassembly,makingany
adjustments,orinspections.
Neverputyourhandinthedischargeorcollectoropenings.Donotunclog
chuteassemblywhileengineisrunning.Shutoff engineandremainbehind
handlesuntilallmovingpartshavestoppedbeforeunclogging.
Useonlyattachmentsandaccessoriesapprovedbythemanufacturer(e.g.
wheelweights,tirechains,cabsetc.).
Whenstartingengine,pullcordslowlyuntilresistanceisfelt,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,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
Engineswhich arecertifiedto complywith CaliforniaandfederalEPA
emissionregulationsfor SORE(SmallOffRoadEquipment)arecertified
tooperateonregularunleadedgasoline,and mayincludethefollowing
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.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
Observethelowerrearareaofthesnowthrowertobesurebothcablesare
alignedwith rollerguidesbeforepivotingthehandleupward.
a. Placetheshift [everintheF6position.
b. Pullupandbackonupperhandleasshownin Figure1.Asyouare
raisingthehandleupward,makesurethatbothendsofthecenter
cablearepositionedproperlyinthe brackets.Alignupperhandle
withthe lowerhandle.
c. Tightenhandknobssecuringupperhandletolowerhandle.Remove
anddiscardanyrubberbands,if present.Theyarefor packaging
purposesonly.
Removecotterpin,wingnut,andhexscrewfromchutecontrolheadand
clevispinandbow-tiecotterpinfromchutesupportbracket.SeeFigure2.
Insertchutecontrolrodintoinputofchutecontrolhead.Pushrodasfarinto
thechutecontrolheadaspossible,keepingtheholesin therodpointing
upward.SeeFigure3.
f
ChuteSupport
Bracket
Chute
f
Figure2
.J
/ .....
j
Rgure3
Figure1
J
8
4. Placechuteontochutebaseandensurechutecontrolrodispositionedunder
handlepanel.Installhexboltpreviouslyremovedbutdonotsecurewith
wingnutatthistime.SeeFigure4.
5. Squeezethetriggeronthehandlepaneljoystickandrotatethechuteby
handtofaceforward.Theholesinthechutecontrolinputwill befacingup.
SeeFigure5.
NOTE:Thechutewill not rotatewithoutsqueezingthetriggeronthejoystick.
6. Rotatethejoysticktotheoneo'clockpositionsothesliverindicatorarrowon
theinputshaftbelowthecontrolpanelpointsupward.SeeFigure6.
NOTE:Thejoystickwill beangledslightlytotheright.SeeFigure5&Figure6.
f
TopView
f
//f "_
Figure5
FrontView
Joystick
_J
\
Figure6
9
7. Makesureallcablesareroutedtotheleftofthechutecontrolrod.Lineup
theholeintherodwith thearrowontheinputshaftandinserttherodinto
theinputshaftbelowjoystickonhandlepanel.SeeFigure7.
NOTE:Thechutecontrolrodwill fit snugglyintotheinputshaft.Supportthe
rearofthedashpanelwith onehandwhileinsertingtherodwith yourother
handtoensurethe rodisinsertedallthewayintotheinputshaft.
8. Nowpushthechutecontrolrodbacktowardsthehandlepaneluntilthe
holeintherodlinesupwith theholeinthechutecontrolinputclosesttothe
chutecontrolhead.Insertthecotterpin.SeeFigure8.
NOTE:Thesecondholeisusedtoachievefurtherengagementofthe
chutecontrolrodintotheinputshaftifrequiredandcanbeusedlater
foradjustmentifthechutedoesnotfully rotate.RefertotheService&
MaintenancesectionforChuteControlRodadjustments.
9. Finishsecuringchutecontrolheadtochutesupportbracketwith wingnut,
andclevispinandbow-tiecotterpinremovedearlier.Donotovertighten.
SeeFigure9.
f
Figure7
f
/ /
Figure8
f
\
Figure9
10
Checkthatallcablesareproperlyroutedthroughthecableguideonthe
engine.SeeFigure10.
NOTE:Ifthechutecontrolisnotassembledcorrectlyitwill notmovefreely
norwill it movefully totherightandleft.
Set-Up
ShearPins
Holesarelocatedintheplasticdashpanelforconvenientshearpinstorage.See
Figure11.RefertotheOperationsectionfor moreinformationregardingshearpin
replacement.
I
Figure10
J
f
Figure11
J
11
ChuteClean-OutTool f _
Achuteclean-outtoolisfastenedtothetopoftheaugerhousingwithamounting
clip.SeeFigure12.Thetoolisdesignedtoclearachuteassemblyoficeand
snow.Thisitemisfastenedwithacabletie atthefactory.Cutthecabletie before
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. Refertosidewalloftire forrecommended
pressure.
Thetiresareover-inflatedforshippingpurposes.Checkthetire pressurebefore
operatingthesnowthrower.Refertothetiresidewallfor tiremanufacturer's
recommendedpsianddeflate(orinflate)thetiresasnecessary.
NOTE:Equaltire pressureisto bemaintainedatalltimesforperformancepurposes.
Adjustments
SkidShoes
Thesnowthrowerskidshoesareadjustedupwardatthefactoryforshipping
purposes.Adjustthemdownward,ifdesired,priortooperatingthesnowthrower.
Itisnotrecommendedthat youoperatethis snowthroweron gravelas
itcaneasilypickupandthrow loosegravel,causingpersonalinjuryor
damageto thesnowthrower andsurroundingproperty.
Forclosesnowremovalonasmoothsurface,raiseskidshoeshigheronthe
augerhousing.Referto Figure13.
Useamiddleorlowerpositionwhentheareatobeclearedisuneven,suchas
agraveldriveway.
NOTE:Ifyouchoosetooperatethesnowthroweronagravelsurface,keep
theskidshoesinpositionformaximumclearancebetweenthegroundand
theshaveplate.
Toadjusttheskidshoes:
1. Loosenthefourhexnuts(twooneachside)andcarriagebolts.Moveskid
shoestodesiredposition.SeeFigure13.
2. Makecertaintheentirebottomsurfaceofskidshoeisagainstthegroundto
avoidunevenwearontheskidshoes.
ChuteClean-outTool
///
f
Figure12
.J
SmoothSurface
UnevenSurface
\
Figure13
3. Retightennutsandboltssecurely.
12
AugerControl F
Priortooperatingyoursnowthrower,carefullyreadandfollowall
instructionsbelow.Performalladjustmentstoverifyyoursnowthroweris
operatingsafelyandproperly.
Checktheadjustmentoftheaugercontrolasfollows:
1. Theaugercontrolislocatedonthelefthandle.SeeFigure14inset.When
theaugercontrolisreleasedandinthedisengaged"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. Withtheaugercontrolinthedisengaged"up"position,walkto thefrontof
themachine.
6.
Toreadjustthecontrolcable,loosenthe upperhexboltontheaugercable
bracket.SeeFigure14.
Positionthebracketupwardtoprovidemoreslack(ordownwardtoincrease
cabletension).
8. Retightentheupperhexbolt.
9. Repeatsteps2-6abovetoverifyproperadjustmenthasbeenachieved.
10. ConfirmthattheaugerhascompletelystoppedrotatingandshowsNOsigns
ofmotion.IftheaugershowsANYsignsofrotating,immediatelyreturnto
theoperator'spositionandshutofftheengine.WaitforALLmovingpartsto
stopbeforeadjustingtheaugercontrol.
J
/
f
AugerControl
Figure14
J
13
Drive Control
Shift Lever
J
Four=WayChute ControP (Joystick)
J
Auger Control
Gas Cap
\
Wheel Steering Control
Chute Assembly
Clean Out
Tool
Primer
Key
Throttle
Control
MUfti\er i_e;:_lleStarte_
IF ELLEVEL'
Choke
Control
Electric Start
/ Button
Oil Drain Electric Starter Outlet
Figure15
Nowthatyouhavesetupyoursnowthrower,it'simportanttobecomeacquainted
with itscontrolsandfeatures.Referto Figure15.
Shift [ever
Theshiftleverislocatedontherightsideofthehandlepanel.Placetheshift
leverintoanyofeightpositionstocontrolthedirectionoftravelandground
speed.Forward
Yoursnowthrowerhassixforward(F)speeds.Positionone(1)isthe slowest
andpositionsix(6)isthefastest.
Reverse
Yoursnowthrowerhastworeverse(R)speeds.One(1)istheslowerandtwo(2)R1
isthefaster. R2
,ey6 Thekeyisasafetydevice.Itmustbefullyinsertedin Ii
5 orderfor theenginetostart.Removethekeywhenthe
snowthrowerisnotinuse. (_ O
4 NOTE:Donotturntheignitionkeyinanattempttostart
:3 theengine.Doingsomaycauseittobreak.
t 2 ChokeControl
activated byturning the rotarychoke knobto the CHOKE
position.Activatingthe choke controlclosesthe choke
plateon the carburetorand aids instarting the engine.
RecoUStarterHandle
Thishandleisusedtomanuallystarttheengine.
MeetsANSiSafetyStandards
CraftsmanSnowThrowersconformtothesafetystandardoftheAmericanNationalStandardsInstitute(ANSI).
14
Throttlecontrol
Thethrottlecontrolislocatedontherearoftheengine.Itregulatesthespeedofthe
engineandwill shutoffthe enginewhenmovedintotheSTOPposition.
Primer
Depressingtheprimerforcesfueldirectlyintothe
engine'scarburetortoaidincold-weatherstarting.
ElectricStarter Button
Pressingtheelectricstarterbuttonengagestheengine'selectricstarterwhen
pluggedintoa120Vpowersource.
ElectricStarter Outlet
Requirestheuseofathree-prongoutdoorextensioncordanda120Vpowersource/
walloutlet.
OilFill
Engineoillevelcanbecheckedandoiladdedthroughtheoil fill.
GasCap
Unthreadthegascaptoaddgasolinetothefueltank.
Auger
Whenengaged,theaugerbladesrotateanddrawsnowintotheaugerhousing.
ChuteAssembly
Snowdrawnintotheaugerhousingisdischargedoutthechuteassembly.
SkidShoes
Positiontheskidshoesbasedonsurfaceconditions.Adjustupwardforhard-packed
snow.Adjustdownwardwhenoperatingongravelorcrushedrocksurfaces.
AugerControl
f
Theaugercontrolislocatedonthelefthandle.Squeezethecontrolgripagainstthe
handletoengagetheaugerandstartsnowthrowingaction.Releasetostop.
DriveControl/Auger Control Lock
/ DRIVE
CONTROL
Thedrivecontrolislocatedontherighthandle.Squeezethecontrolgripagainstthe
handletoengagethewheeldrive.Releasetostop.
Thedrivecontrolalsolockstheaugercontrolsoyoucanoperatethechute
directionalcontrolwithoutinterruptingthesnowthrowingprocess.Iftheauger
controlisengagedsimultaneouslywiththedrivecontrol,theoperatorcanrelease
theaugercontrol(onthelefthandle)andtheaugerswill remainengaged.Release
bothcontrolstostoptheaugersandwheeldrive.
flOTE:Alwaysreleasethedrivecontrolbeforechangingspeeds.Failuretodosowill
resultinincreasedwearonyourmachine'sdrivesystem.
Four-WayChuteControrM
CHUTe: DIRECTIONAL CONTROL
CHUTETILTDOWN
t
CHUTEROTATE CHUTEROTATE
LEFT RIGHT
CHUTETILTUP
_r n_
Thefour-waychutecontrolTM (Joystick)islocatedontheleft sideofthehandle
panel.
Tochangethedirectioninwhichsnowisthrown,squeezethebuttononthe
chutecontrolleverandpivotthechutecontrollevertotherightortothe
left.
Tochangetheangle/distancewhichsnowisthrown,pivotthechutecontrol
leverforwardtotilt thechutedownandbackwardtotilt thechuteup.
Wheel Steering Controls
Theleft andrightwheelsteeringcontrolsarelocatedontheundersideofthe
handles.Squeezetherightcontroltoturnright;squeezetheleftcontroltoturn left.
NOTE:Operatethesnowthrowerinopenareasuntilyouarefamiliarwiththese
controls.
15
Clean-OutTool
Neveruseyourhandstoclearacloggedchuteassembly.Shutoff engine
andremainbehindhandlesuntil all movingpartshavestoppedbefore
usingthe clean-outtool to clearthe chuteassembly.
Thechutedean-outtoolisconvenientlyfastenedtotherearoftheaugerhousing
with amountingclip.Shouldsnowandicebecomelodgedin thechuteassembly
duringoperation,proceedasfollowstosafelycleanthechuteassemblyandchute
opening:
1. ReleaseboththeAugerControlandthe DriveControl.
2. Stoptheenginebyremovingthe ignitionkey.
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
machineandinthismanualbeforeoperating.
Oil
Theunitwasshippedwithoilintheengine.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 oilmayresultin enginesmoking,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.SeeFigure15inset.Be
carefulnottooverfill.Filltankuntilfuelreachesthefuellevelindicatorto
allowspacefor fuelexpansion.
Starting TheEngine
Alwayskeephandsandfeet clearof movingparts.Donot useapressurized
starting fluid. Vaporsareflammable.
flOTE:Allowtheenginetowarmupforafewminutesafterstarting.Theenginewill
notdevelopfull poweruntilit reachesoperatingtemperatures.
1. Makecertainboththeaugercontrolanddrivecontrolarein thedisengaged
(released)position.
2. Insertkeyintoslot.Makesureit snapsintoplace.Donotattempttoturnthe
key.
NOTE:Theenginecannotstartwithoutthekeyfullyinsertedintothe
ignitionswitch.
ElectricStarter
Theelectric starterisequippedwith a groundedthree-wirepowerplug,
andisdesignedtooperateon 120voltAChouseholdcurrent.It must be
usedwith a properlygroundedthree-prongreceptacleatall timesto avoid
the possibilityof electrk shock.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,groundedand ratedforoutdoor use.
16
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.Electricstarterisequippedwith thermaloverload
protection;systemwill temporarilyshut-downtoallowstartertocoolif
electricstarterbecomesoverloaded.
6.
Astheenginewarms,slowlyrotatethechokecontroltoRUNposition.Ifthe
enginefalters,restartengineandrunwith chokeathalf-chokepositionfora
shortperiodoftime,andthenslowlyrotatethechokeinto RUNposition.
Afterengineisrunning,disconnectextensioncordfromelectricstarter.
Whendisconnecting,alwaysunplugtheendatthewalloutletbefore
unpluggingtheoppositeendfromtheengine.
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-chokepositionfora
shortperiodoftime,andthenslowlyrotatethechokeinto RUNposition.
Toavoidunsupervisedengineoperation,neverleavethe machine
unattendedwith theenginerunning. Turnthe engineoff after useand
removekey.
Stopping TheEngine
Afteryouhavefinishedsnow-throwing,runengineforafewminutesbefore
stoppingtohelpdryoffanymoistureontheengine.
1. Movethrottlecontrolto OFFposition.
2. Removethekey.Removingthe keywill reducethepossibilityof
unauthorizedstartingoftheenginewhileequipmentisnotinuse.Keepthe
keyina safeplace.Theenginecannotstartwithout thekey.
3. Wipeanymoistureawayfromthecontrolsontheengine.
ToEngageDrive
1. Withthethrottlecontrolinthe Fast(rabbit)_ _1 position,moveshiftlever
intooneofthesixforward(F)positionsortworeverse(R)positions.Selecta
speedappropriatefor thesnowconditionsandapaceyou'recomfortable
with.
flOTE:WhenselectingaDriveSpeed,usetheslowerspeedsuntilyouare
comfortableandfamiliarwiththeoperationofthesnowthrower.
2. Squeezethedrivecontrolagainstthehandleandthesnowthrowerwill
move.Releaseit anddrivemotionwill stop.
NOTE:NEVERrepositiontheshiftlever(changespeedsordirectionoftravel)
withoutfirstreleasingthedrivecontrolandbringingthesnowthrowertoa
completestop.Doingsowill resultin prematureweartothesnowthrower'sdrive
system.
ToEngageAuger
Toengagetheaugerandstartthrowingsnow,squeezetheaugercontrol
againstthelefthandle.Releasetostoptheauger.
ReplacingShearPins
Eachaugerbladeissecuredtothespiralshaftwith ashearpinandbow-tieclip.If
anaugerbladestrikesa foreignobjectoricejam,thepinwill shearoff toprevent
damagetotheblade.Ifanaugerbladedoesnotturn,checktoseeif itspinhas
shearedoff. SeeFigure16.
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
Figure16
17
MAINTENANCESCHEDULE
Beforeperforminganytypeof maintenance/service,disengageallcontrols
andstopthe engine.Wait until allmovingpartshavecometo a complete
stop.Disconnectsparkplug wireandgrounditagainstthe engineto
preventunintendedstarting.
EachUseand every5hours
Ist5hours
Annuallyor25hours
Annuallyor50hours
Annuallyor100hours
BeforeStorage
EngineMaintenance
CheckingEngineOil
Followthemaintenanceschedulegivenbelow.Thischartdescribesservice
guidelinesonly.UsetheServiceLogcolumntokeeptrackofcompleted
maintenancetasks.TolocatethenearestSearsServiceCenterortoscheduleservice,
simplycontactSearsat1-800-4-MY-HOME®.
1. Engineoil level
2. Looseormissinghardware
3. Unitandengine.
1. Engineoil
1. Sparkplug
2. Controllinkagesandpivots
3. Wheels
4. GearshaftandAugershaft
5. 4-WayChuteControlTM
1. Engineoil
1. Sparkplug
1. Fuelsystem
1. Check
2. Tightenorreplace
3. Clean
1. Change
1. Check
2. Lubewith lightoil
3. Lubewith multipurposeautogrease
4. Lubewith lightoil
5. Checkfor cableslackness
1. Change
1. Change
1. Runengineuntilitstopsfromlackoffuel
f
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/dipstkkandwipethedipstkkclean.
2. Insertthecap/dipstkkintotheoilfillerneck,butdoNOTscrewit in.
3. Removetheoilfillercap/dipstick.Iflevelislow,slowlyaddoiluntiloillevel
registersbetweenhigh(H)andlow(L).SeeFigure17.
4. Replaceandtightencap/dipstickfirmlybeforestartingengine.
ChangingEngineOil
NOTE:Changetheengineoilafterthefirst5hoursofoperationandoncea season
orevery50hoursthereafter.
1. Drainfuelfromtankbyrunningengineuntilthefueltankisempty.Besure
fuelfill capissecure.
2. Placesuitableoilcollectioncontainerunderoil drainplug.
3. Removeoildrainplug.SeeFigure18onnextpage.
Figure17
Tipunittodrainoil intothecontainer.Usedoil mustbedisposedofata
propercollectioncenter.
Usedoil isa hazardouswasteproduct.Disposeofusedoil properly.Donot
discardwith householdwaste.Checkwithyourlocalauthorities or Sears
ServiceCenterforsafedisposal/recyclingfacilities.
5. Reinstallthedrainplugandtightenitsecurely.
J
18
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:Checkthe sparkplugonceaseasonor every25hoursofoperation.Change
thesparkplugonceaseasonorevery100hours.Toensureproperengineoperation,
thesparkplugmustbeproperlygappedandfreeofdeposits.
1. Removethesparkplugbootandusea sparkplugwrenchtoremovethe
plug.SeeFigure19.
2. Visuallyinspectthesparkplug.Discardthesparkplugifthereisapparent
wear,orif theinsulatoriscrackedorchipped.Cleanthesparkplugwith a
wirebrushifit istobereused.
3.
Measurethepluggapwith afeelergauge.Correctasnecessarybybending
sideelectrode.SeeFigure20.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 \
Figure18
E
SparkPlug
SparkPlugBoot
Figure19
Electrode
Thesparkplug mustbetightened securely.Aloosesparkplugcanbecome
very hotandcandamagethe engine.
19
Figure20
Lubrication "I
GearShaft
Thegear(hex)shaftshouldbelubricatedatleastonceaseasonorafterevery25
hoursofoperation.
I. Topreventspillage,removeallfuelfromtankbyrunningengineuntilit
stops.
2. Carefullypivotthesnowthrowerupandforwardsothat it restsontheauger
housing.
3. Removethelowerframecoverfromtheundersideofthesnowthrowerby
removingtheself-tappingscrewswhichsecureit.
4. Applya lightcoatingofengineoil(or3-in-1oil)tothehexshaft.SeeFigure
21.
NOTE:Whenlubricatingthe hexshaft,becarefulnottogetanyoilonthealuminum
driveplateorrubberfrictionwheel.Doingsowill hinderthesnowthrower'sdrive
system.Wipeoffanyexcessorspilledoil.
Wheels
Atleastonceaseason,removebothwheels.Cleanandcoattheaxleswitha
multipurposeautomotivegreasebeforereinstallingwheels.
AugerShaft
Atleastonceaseason,removetheshearpinsonaugershaft.Spraylubricantinside
shaft,andaroundthespacersandflangebearingsfoundateitherendoftheshaft.
SeeFigure22.
ShavePlateand SkidShoes
Theshaveplateandskidshoesonthebottomofthesnowthroweraresubjectto
wear.Theyshouldbecheckedperiodkallyandreplacedwhennecessary.
flOT£:Theskidshoesonthismachinehavetwowearedges.Whenonesidewears
out,theycanberotated180°tousetheotheredge.
Toremoveskidshoes:
Removethetwocarriagebolts,washers,andhexflangenutsthatsecure
eachskidshoetothesnowthrower.
2. Reassemblenewskidshoeswith thefourcarriagebolts(twooneachside),
washers,andhexflangenuts.Referto Figure23.
Toremoveshaveplate:
1. Removethecarriageboltsandhexnutswhichattachittothesnowthrower
housing.
2. Reassemblenewshaveplate,makingsureheadsofcarriageboltsaretothe
insideofhousing.Tightensecurely.SeeFigure23.
f
Figure21
J
f
NOTE:Augersnot shownfor clarity.
Figure23
20
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MTD 31AS53TF799 Owner's manual

Category
Snow throwers
Type
Owner's manual
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