MTD 247883970 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. 247.883970
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.769-08168
(June 15,2012)
Warranty Statement .................................. Page 2
Safe Operation Practices .......................... Page 3
Safety Labels ............................................ Page 7
Assembly .................................................. Page 8
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.
Tirereplacementorrepaircausedbypuncturesfromoutsideobjects,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
Thissymbolpointsoutimportantsafetyinstructionswhich,if not
followed,couldendangerthepersonalsafetyand/orpropertyof
yourselfandothers.Readandfollowall instructionsin thismanual
beforeattemptingtooperatethismachine.Failuretocomplywith
theseinstructionsmayresultin personalinjury.Whenyouseethis
symbol,HEEDITSWARNING!
CALIFORNIA PROPOSITION 65
EngineExhaust,someof itsconstituents,andcertainvehicle
componentscontainoremitchemicalsknowntoStateofCalifornia
tocausecancerandbirthdefectsorotherreproductiveharm,
Thismachinewasbuilttobeoperatedaccordingtothesafeopera-
tionpracticesinthis manual.Aswithanytypeof powerequipment,
carelessnessorerroron thepartoftheoperatorcanresultin serious
injury.Thismachineiscapableofamputatingfingers,hands,toes
andfeetandthrowingdebris.Failuretoobservethefollowingsafety
instructionscouldresultin seriousinjuryor death.
Your Responsibility--Restrict theuseofthispowermachineto
personswhoread,understandandfollowthewarningsand instruc-
tionsin thismanualandon themachine.
SAVE THESE INSTRUCTIONS!
TRAiNiNG
Read,understand,andfollowall instructionson themachineand
in themanual(s)beforeattemptingtoassembleandoperate.
Failuretodo socan resultinseriousinjurytotheoperatorand/
orbystanders.Keepthismanualin a safeplaceforfutureand
regularreferenceandfororderingreplacementparts.
Befamiliarwithall controlsandtheirproperoperation.Knowhow
tostopthemachineanddisengagethemquickly.
Neverallowchildrenunder14yearsofagetooperatethis
machine.Children14andovershouldreadandunderstandthe
instructionsandsafeoperationpracticesin thismanualandon
themachineandbe trainedandsupervisedbyanadult.
Neverallowadultstooperatethis machinewithoutproper
instruction.
Thrownobjectscancauseseriouspersonalinjury.Planyour
snow-throwingpatterntoavoiddischargeof materialtoward
roads,bystandersandthelike.
Keepbystanders,petsandchildrenat least75feetfromthe
machinewhileitisin operation.Stopmachineifanyoneenters
thearea.
Exercisecautiontoavoidslippingor falling,especiallywhen
operatingin reverse.
PREPARATION
Thoroughlyinspecttheareawheretheequipmentistobeused.
Removeall doormats,newspapers,sleds,boards,wiresandother
foreignobjects,whichcouldbe trippedoverorthrownbytheauger/
impeller.
Alwayswearsafetyglassesor eyeshieldsduringoperationand
whileperforminganadjustmentor repairto protectyoureyes.
Thrownobjectswhichricochetcancauseseriousinjurytothe
eyes.
Donotoperatewithoutwearingadequatewinteroutergarments.
Donotwearjewelry,longscarvesorotherlooseclothing,which
couldbecomeentangledin movingparts.Wearfootwearwhich
willimprovefootingonslipperysurfaces.
Usea groundedthree-wireextensioncordand receptacleforall
machineswithelectricstartengines.
Disengageallcontrolleversbeforestartingtheengine.
Adjustcollectorhousingheighttocleargravelorcrushedrock
surfaces.
Neverattempttomakeanyadjustmentswhileengineis running,
exceptwherespecificallyrecommendedintheoperator'smanual.
Letengineandmachineadjusttooutdoortemperaturebefore
startingtoclearsnow.
3
SafeHandlingof Gasoline
Toavoidpersonalinjuryor propertydamageuseextremecarein
handlinggasoline.Gasolineisextremelyflammableandthevaporsare
explosive.Seriouspersonalinjurycanoccurwhengasolineisspilled
onyourselfor yourclotheswhichcanignite. Washyourskinand
changeclothesimmediately.
Useonlyan approvedgasolinecontainer.
Extinguishallcigarettes,cigars,pipesandothersourcesof
ignition.
Neverfuelmachineindoors.
Neverremovegascapor addfuelwhiletheengineishotor
running.
Allowenginetocoolat leasttwo minutesbeforerefueling.
Neveroverfillfueltank.Filltankto nomorethan1/2inchbelow
bottomoffillernecktoprovidespaceforfuelexpansion.
Replacegasolinecapandtightensecurely.
Ifgasolineisspilled,wipeitoff theengineandequipment.Move
machinetoanotherarea.Wait5 minutesbeforestartingthe
engine.
Neverstorethemachineorfuelcontainerinsidewherethereisan
openflame,sparkor pilotlight(e.g.furnace,waterheater,space
heater,clothesdryeretc.).
Allowmachinetocoolatleast5 minutesbeforestoring.
Neverfillcontainersinsidea vehicleor ona truckor trailerbed
witha plasticliner.Alwaysplacecontainersonthegroundaway
fromyourvehiclebeforefilling.
If possible,removegas-poweredequipmentfromthetruckor
trailerandrefuelitontheground.Ifthis isnotpossible,thenrefuel
suchequipmentona trailerwitha portablecontainer,ratherthan
froma gasolinedispensernozzle.
Keepthenozzlein contactwiththerimofthefueltankor
containeropeningatalltimesuntilfuelingiscomplete.Donotuse
a nozzlelock-opendevice.
OPERATION
Donotputhandsorfeetnear rotatingparts,in theauger/impeller
housingor chuteassembly.Contactwiththerotatingpartscan
amputatehandsandfeet.
Theauger/impellercontrolleverisa safetydevice.Neverbypass
itsoperation.Doingsomakesthemachineunsafeandmaycause
personalinjury.
Thecontrolleversmustoperateeasilyin bothdirectionsand
automaticallyreturntothedisengagedpositionwhenreleased.
Neveroperatewitha missingor damagedchuteassembly.Keep
all safetydevicesin placeandworking.
Neverrunanengineindoorsor ina poorlyventilatedarea.Engine
exhaustcontainscarbonmonoxide,anodorlessanddeadlygas.
Donotoperatemachinewhileundertheinfluenceofalcoholor
drugs.
Mufflerandenginebecomehotandcancausea burn.Donot
touch.Keepchildrenaway.
Exerciseextremecautionwhenoperatingon orcrossinggravel
surfaces.Stayalertforhiddenhazardsor traffic.
Exercisecautionwhenchangingdirectionandwhileoperatingon
slopes.Donotoperateon steepslopes.
Planyoursnow-throwingpatternto avoiddischargetowards
windows,walls,carsetc.Thus,avoidingpossibleproperty
damageor personalinjurycausedbya ricochet.
Neverdirectdischargeatchildren,bystandersand petsor allow
anyoneinfrontofthemachine.
Donotoverloadmachinecapacitybyattemptingtoclearsnowat
toofastof a rate.
Neveroperatethis machinewithoutgoodvisibilityorlight.Always
be sureofyourfootingand keepa firmholdon thehandles.Walk,
neverrun.
Disengagepowertotheauger/impellerwhentransportingor not
in use.
Neveroperatemachineathightransportspeedson slippery
surfaces.Lookdownand behindand usecarewhenbackingup.
Ifthemachineshouldstarttovibrateabnormally,stoptheengine,
disconnectthesparkplugwireandgrounditagainsttheengine.
Inspectthoroughlyfordamage.Repairanydamagebefore
startingandoperating.
Disengageall controlleversandstopenginebeforeyouleave
theoperatingposition(behindthehandles).Waituntiltheauger/
impellercomestoa completestopbeforeuncloggingthechute
assembly,makinganyadjustments,or inspections.
Neverputyourhandinthedischargeor collectoropenings.Do
notunclogchuteassemblywhileengineisrunning.Shutoff
engineand remainbehindhandlesuntilall movingpartshave
stoppedbeforeunclogging.
Useonlyattachmentsandaccessoriesapprovedbythemanufac-
turer(e.g.wheelweights,tirechains,cabsetc.). Forinformation
concerningtheseitems,call1-800-469-4663.
Whenstartingengine,pullcordslowlyuntilresistanceisfelt,then
pull rapidly.Rapidretractionofstartercord(kickback)willpull
handandarmtowardenginefasterthanyoucanletgo.Broken
bones,fractures,bruisesor sprainscouldresult.
Ifsituationsoccurwhichare notcoveredinthis manual,usecare
andgoodjudgment.
Toorderpartsor scheduleserviceforthisproduct,call 1-800-
469-4663.
CLEARING A CLOGGED DISCHARGE CHUTE
Handcontactwiththe rotatingimpellerinsidethedischargechute
is themostcommoncauseofinjuryassociatedwithsnowthrowers.
Neveruseyourhandtocleanoutthedischargechute.
Toclearthechute:
1. SHUTTHEENGINEOFF!
2. Wait 10secondstobe suretheimpellerbladeshavestopped
rotating.
3. Alwaysusea clean-outtool,notyourhands.
4
MAINTENANCE & STORAGE
Nevertamperwithsafetydevices.Checktheirproperoperation
regularly.Refertothemaintenanceandadjustmentsectionsof
thismanual.
Beforecleaning,repairing,or inspectingmachinedisengageall
controlleversandstoptheengine.Waituntiltheauger/impeller
cometoa completestop.Disconnectthe sparkplugwireand
groundagainsttheenginetopreventunintendedstarting.
Checkboltsand screwsforpropertightnessatfrequentintervals
tokeepthemachineinsafeworkingcondition.Also,visually
inspectmachineforanydamage.
Donotchangetheenginegovernorsettingor over-speedthe
engine.Thegovernorcontrolsthe maximumsafeoperatingspeed
oftheengine.
Snowthrowershaveplatesand skidshoesaresubjecttowear
anddamage.Foryoursafetyprotection,frequentlycheckall
componentsand replacewithoriginalequipmentmanufacturer's
(OEM)partsonlyaslistedinthe Partspagesof thisoperator's
manual.Useofpartswhichdonotmeettheoriginalequipment
specificationsmayleadto improperperformanceandcompro-
misesafety!
Checkcontrolleversperiodicallytoverifytheyengageanddisen-
gageproperlyandadjust,ifnecessary.Refertotheadjustment
sectioninthisoperator'smanualforinstructions.
Maintainor replacesafetyandinstructionlabels,asnecessary.
Observeproperdisposallawsand regulationsforgas,oil,etc.to
protecttheenvironment.
Priorto storing,runmachinea few minutestoclearsnowfrom
machineand preventfreezeupofauger/impeller.
Neverstorethemachineorfuelcontainerinsidewherethereisan
openflame,sparkorpilotlightsuchasa waterheater,furnace,
clothesdryeretc.
Alwaysrefertotheoperator'smanualforproperinstructionson
off-seasonstorage.
Checkfuelline,tank,cap,andfittingsfrequentlyforcracksor
leaks.Replaceifnecessary.
Donotcrankenginewithsparkplugremoved.
AccordingtotheConsumerProductsSafetyCommission(CPSC)
andtheU.S.EnvironmentalProtectionAgency(EPA),thisproduct
hasan AverageUsefulLifeof seven(7)years,or 60 hoursof
operation.AttheendoftheAverageUsefulLifehavethemachine
inspectedannuallybyan authorizedservicedealertoensurethat
allmechanicalandsafetysystemsareworkingproperlyand not
wornexcessively.Failuretodo socanresultinaccidents,injuries
ordeath.
DO NOT MODIFY ENGINE
Toavoidseriousinjuryor death,do notmodifyengineinanyway.
Tamperingwiththegovernorsettingcanleadtoa runawayengineand
causeittooperateat unsafespeeds.Nevertamperwithfactorysetting
ofenginegovernor.
NOTICE REGARDING EMiSSiONS
EngineswhicharecertifiedtocomplywithCaliforniaandfederal
EPAemissionregulationsforSORE(SmallOff RoadEquipment)are
certifiedtooperateon regularunleadedgasoline,and mayinclude
thefollowingemissioncontrolsystems:EngineModification(EM),
OxidizingCatalyst(OC),SecondaryAirInjection(SAI)and ThreeWay
Catalyst(TWO)if soequipped.
SPARK ARRESTOR
Thismachineisequippedwithaninternalcombustionengineand
shouldnotbe usedonor nearanyunimprovedforest-covered,
brush-coveredorgrass-coveredlandunlesstheengine'sexhaust
systemisequippedwitha sparkarrestormeetingapplicablelocalor
statelaws(ifany)
Ifa sparkarrestorisused,itshouldbe maintainedin effectiveworking
orderbytheoperator.IntheStateofCaliforniatheaboveis required
bylaw(Section4442oftheCaliforniaPublicResourcesCode).Other
statesmayhavesimilarlaws.Federallawsapplyonfederallands.
A sparkarrestorforthemufflerisavailablethroughyournearestSears
PartsandRepairServiceCenter.
SAFETY SYMBOLS
Thispagedepictsanddescribessafetysymbolsthatmayappearonthisproduct. Read,understand,andfollowall instructionson themachine
beforeattemptingtoassembleandoperate.
. +
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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 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
6
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7
NOTE:Referencestorightorleftsideofthesnowthroweraredetermined
fromtheoperatingpositionlookingforwardtothefrontofthemachine.
Handle
REMOVING FROM CRATE
1. Removescrewsfromthebottomofthecratesecuringthesides,
andendsof theshippingcrate.
2. Liftoffthetopoff ofthecrateandsetoutofthewayofthe
assemblyarea.
3. Removeanddiscardplasticbagthatcoversunit.
4. Removeanyloosepartsincludedwithunit(e.g.,Operator's
Manual,etc.).
5. Pushdownon thelowerhandleand pullunitbackoutofcrate.
6. Makecertainthecratehasbeencompletelyemptiedbefore
discardingit.
ASSEMBLY
1. Removeanypackagingmaterialfromtheupperhandle.
2. Removethelowerplasticwingnut,bellevillewasherand carriage
boltfromeachsideof theupperhandle;thenraisetheupper
handleassemblyuntilit snapsoverthelowerhandle.SeeFig.1.
Figure 1
3. Lookingbeneaththehandlepanel,checkthatallofthecables
(steering,auger,shift,anddrive)areproperlyroutedandnot
pinchedorkinked.Makecertainthespringsatthelowerendofthe
augeranddrivecablesaresecurelyhookedintotheirrespective
actuatorbrackets.
4. Securetheupperhandleandlowerhandlewiththetwowingnuts,
bellevillewashers,andcarriageboltsremovedearlier.Tightenthe
twowingnutsalreadyinstalledintheupperholestofirmlysecure
theupperhandleandsupporttubes.SeeFig.2.
Chute Assembly
Figure 2
,,J
1. Removelocknutsandscrewssecuringoneof theflangekeepers
tothechuteassembly.Loosenthefastenersoftheothertwo
flangekeepers.See Figure3.
\
Figure 3
2. Loosen,butdonotremove,thechutecrankbracketinorderto
attachthechuteassembly.SeeFig.5.
3. Placechuteassemblyontochutebaseasshownin Figure4. Make
surethatthechutenotchesengagewiththespiralendofchute
directionalcontrol,andthetwoflangekeepersarebeneaththe
flangeonthechutebase.
4. Secureflangekeeperremovedearlierwith locknutsand screws.
Tightendownnutssecuringtheothertwo flangekeepers.See
Figure5.
8
Figure4
SET-UP
Shear Pins
A pairofreplacementaugershearpinsandbowtiecotterpinshavebeen
includedwithyoursnowthrower.Theyarestoredintheholesprovidedinthe
plasticdashpanelasseeninFigure7.Forinformationregardingreplacing
theshearpins,seeReplacingShearPinsintheOperationsectionofthis
manual.
\ \
Figure7
Chute Clean-Out Tool
Thechuteclean-outtoolisfastenedtothetopoftheaugerhousing
witha mountingclipanda cabletieatthefactory.Cutthecabletie
beforeoperatingthe snowthrower.See Fig.8.
,J
.
6.
Figure 5
Re-tightenthehardwaresecuringthechutecrankbracket.
Checkthatthechutecablesareproperlyroutedthroughthecable
guideontopofengineshroud.SeeFigure6.
/
/
/
/
/
/
\
Figure 8
Figure 6
9
Drift(:utters
The snow thrower drift cutters are mounted inverted at the factory
for shipping purposes.
1. Remove the four wing knobs (two on each side) and carriage bolts.
Place drift cutter in upright position and re-secure. See Fig.9.
Figure 9
Tire Pressure (Pneumatic Tires)
Underanycircumstancedo notexceedmanufacturer'srecom-
mendedpsi. Equaltirepressureshouldbemaintainedatall times.
Excessivepressurewhenseatingbeadsmaycausetire/rim
assemblytoburstwithforcesufficienttocauseseriousinjury.Refer
tosidewallof tirefor recommendedpressure.
Thetirescanbeover-inflatedforshippingpurposes.Checkthetire
pressurebeforeoperatingthesnowthrower.Refertothetiresidewall
formanufactures'srecommendedpsianddeflate(orinflate)thetires
asnecessary.
NOTE:Equaltirepressureistobemaintainedatalltimesforperfor-
mancepurposes.
Fuel Recommendations
Useautomotivegasoline(unleadedor lowleadedtominimizecombus-
tionchamberdeposits)witha minimumof87octane.Gasolinewith
upto 10%ethanolor 15%MTBE(MethylTertiaryButylEther)canbe
used.Neveruseanoil/gasolinemixtureor dirtygasoline.Avoidgetting
dirt,dust,or waterinthefueltank.DONOTuseE85gasoline.
Refuelin awell-ventilatedareawiththeenginestopped.Do
notsmokeorallowflamesor sparksin theareawherethe
engineisrefueledor wheregasolineisstored.
Donotoverfillthefueltank.Afterrefueling,makesurethe
tankcapisclosedproperlyandsecurely.
Becarefulnottospillfuelwhenrefueling.Spilledfuelor fuel
vapormayignite.Ifanyfuelisspilled,makesuretheareais
drybeforestartingtheengine.
Avoidrepeatedorprolongedcontactwithskinor breathingof
vapor.
Adding Fuel
Useextremecarewhenhandlinggasoline.Gasolineisextremely
flammableandthevaporsareexplosive.Neverfuelthemachine
indoorsorwhiletheengineishotor running.Extinguishcigarettes,
cigars,pipesandothersourcesofignition.
Alwayskeephandsandfeetclearofequipmentmovingparts.Donot
usea pressurizedstartingfluid.Vaporsareflammable.
.
2.
Cleanaroundfuelfillbeforeremovingcaptofuel.
A fuellevelindicatorislocatedin thefueltank.Filltankuntilfuel
reachesthefuellevelindictor,Figure10.Becarefulnottooverfill.
Fuel LevelIndicator
TopView
J
Figure 10
Checking Oil Level
Theengineisshippedwithoil in theengine.Youmust,however,
checktheoil levelpriorto operatingthesnowthrower.Runningthe
enginewith insufficientoil cancauseseriousenginedamageand
voidtheenginewarranty.
NOTE:Besuretochecktheengineon a levelsurfacewiththeengine
stopped.
Toavoidenginedamage,itis importantto:
Checkoil levelbeforeeachuseandevery5 operatinghours
whenengineiswarm.Checkoil levelmorefrequentlyduring
enginebreak-in.
Keepoillevelbetween"H"and"L"markson dipstick.See
Fig.11.
Besureoilfill cap/plugistightenedsecurelywhenchecking.
1. Removetheoilfillercap/dipstickandwipethedipstickclean.See
Fig.11.
2. Insertthecap/dipstickintotheoil fillerneck,andtightenthecap
turningclockwiseuntilcapisseated.
10
F
Figure11
NOTE:On someengines,athreadedscrewcapwillbepresent
insteadof thequarterturnlockingcap.Intheinstanceofathreadedoil
cap/dipstick,DONOTscrewthecap/dipstickin tocheck.Checktheoil
byrestingthecap/dipstickon thethreads,butnotscrewingitin.
3. Removetheoil fillercap/dipstick,ifthelevelislow,slowlyaddoil
untiloil levelregistersbetweenhigh(H) andlow(L), Fig.11.
4. Replaceandtightencap/dipstickfirmlybeforestartingengine.
NOTE:Donotoverfill.Overfillingwithoil maycausesmoking,hard
starting,or sparkplugfouling.
NOTE:DONOTallowoil leveltofallbelowthe"L"markonthe
dipstick.Doingsomayresultin equipmentmalfunctionsordamage.
NOTE:Tochangetheoilon yourengine,seethe MaintenanceSec-
tionof theengineoperator'smanualincludedwiththesnowthrower.
ADJUSTMENTS
Skid Shoes
Thesnowthrowerskidshoesareadjustedupwardat thefactoryfor
shippingpurposes.Adjustthemdownwardpriortooperatingthesnow
thrower.
Itisnotrecommendedthatyouoperatethis snowthrowerongravel
asitcaneasilypick upandthrowloosegravel,causingpersonal
injuryor damagetothesnowthrowerandsurroundingproperty.
Forclosesnowremovalona smoothsurface,adjusttheskidshoessothat
theshaveplateonthebottomofthe augerhousingisjustoff theground.
Adjusttheskidshoestoa lowerpositiontoraisetheshaveplateoff the
groundwhenclearingunevenareas,suchasa ribbontypedrivewayor
a graveldriveway
NOTE:Ifyouchoosetooperatethesnowthrowerona gravelsurface,
keeptheskidshoesin positionformaximumclearancebetweenthe
groundandtheshaveplate.
To adjust the skid shoes:
1. Adjustskidshoesbylooseningthesix (threeoneachside)hex
nutsandcarriagebolts securingtheskidshoestotheauger
housing. Referto Figure12.
2. Whileobservingthedistancebetweentheshaveplateandthe
ground,adjusttheskidsshoesupordowntoachievethedesired
shaveplateheight.SeeFigure12.
3. Makecertaintheentirebottomsurfaceofskidshoesareagainst
thegroundtoavoidunevenwearon theskidshoes;thentighten
nutsandboltssecurely.
ShavePlate
Lower
Shave
Plate
Raise
Shave
Plate
Figure 12
AUGER AND DRIVE CONTROL CABLES
Priortooperatingyoursnowthrower,carefullyreadandfollowall
instructionsbelow.Performalladjustmentstoverifyyoursnowthrower
isoperatingsafelyandproperly.
Testing Auger Drive Control
1. Whentheaugercontrolisreleasedandinthedisengaged"up"
position,thecableshouldhaveverylittleslack.It shouldNOTbe
tight.RefertoFigure13.
2. Ina well-ventilatedarea,startthesnowthrowerengineas
instructedintheOperationsectionofthis manual.Makesurethe
throttleissetintheFASTposition.
3. Whilestandingin theoperator'sposition(behindthesnow
thrower),engagetheauger.
4. Allowtheaugertoremainengagedforapproximatelyten(10)sec-
ondsbeforereleasingtheaugercontrol.Repeatthisseveraltimes.
NOTE:Whenengagingtheauger,youmayheara"chirp"sound.
Thisisnormal,itisthebeltengagingthepulley.Asthebeltwears,this
soundwillnotbeheardwhenengagingtheauger.
5. Withthethrottlecontrolinthe FAST(rabbit)positionandthe
augercontrolinthedisengaged"up"position,walktothefrontof
themachine.
11
6. Confirmthattheaugerhascompletelystoppedrotatingand
showsNOsignsofmotion.IftheaugershowsANYsignsof
rotating,immediatelyreturntotheoperator'spositionand shutoff
theengine.WaitforALL movingpartstostopbeforere-adjusting
theaugercontrol.
Testing Drive Control & Speed Selector Lever
1. Withtheengineturnedoff,movethespeedselectorleverinto
sixth(6) position.RefertoFigure13.
2. Withthewheeldrivecontrolreleased,pushthesnowthrower
forward,thenpull itback.Themachineshouldmovefreely.
3. Engagethedrivecontroland attemptto movethemachineboth
forwardandback,resistanceshouldbefelt.
4. Movethespeedselectorleverintothefastreverse(R2)position
andrepeattheprevioustwosteps.
5. Ifyouexperiencedresistancerollingtheunit,eitherwhen
repositioningthespeedselectorleverfrom6 toR2orwhen
attemptingtomovethemachinewiththedrivecontrolreleased,
adjustthedrivecontrolimmediately.SeeAdjustingDriveand
AugerControls.
ChuteTilt _eedSelectorLever
Auc
Control Control
Auger
Control
Cable
Drive
Cable
Figure 13
Adjusting Drive and Auger Controls
1. Frombeneaththehandle,pulldownwardontheappropriatecable
andunhookthespringfoundontheendofthecablefromits
respectiveactuatorbracket.RefertoFigures14and 15.
2. Slidethe springup thecabletoexposethecablecouplerthreads
andlocknut.Referto Figure15.
3.
Rearwardmost holeof
the actuator brackets
Figure14
Adjustthe locknutasfollows:Ifadjustingthedrivecable,thread
thelocknutoutward(downthecoupler)to lengthenthecableand
allowtheunittomovefreelywhenthecontrolis released.Thread
thelocknutinward(up thecoupler)to shortenthecabletoreduce
slippageand preventthemachinefrombeingeasilymovedwith
thedrivecontrolengaged.
Donotover-tightenthecable.Over-tighteningmaypreventtheauger
shaftfromdisengagingandcompromisethesafetyofthesnowthrower.
4. Ifadjustingtheaugercable,threadthelock nutoutwardstowards
endofthreadtolengthenthecableasnecessaryto stopthe
augershaftfromturningwhenthecontrolis released.
5. Securelyhookeachcable'sspringintotheappropriateholeofthe
respectiveactuatorbracket.Bothcableshookintotherearward-
mostholeineachbracket,asshownin Figure14.
6. Repeatthewheeldriveandaugercontrolteststoverifyproper
adjustment.Repeatpreviousstepsifnecessarytoattainproper
adjustmentofeachcable.
12
Figure 15
f
When DriveControl
Headlight _eedSeJectorLever
ChutePitchControl"
FueJTank
ger Control
FuelCap
OilFill
WheelSteeringControl
DriftCutter
ChuteAssembly
ChuteDirectionalControl
AugerHousing
_Skid Shoe
Primer
OilFiller
Cap/Dipstick
FuelFill
Key ; _ =Cap
OilDrain
Figure 16
Electric
Start
Button
Electric
Box
StarterHandle
Snowthrowercontrolsandfeaturesaredescribedbelowand
in Fig.16.
SPEED SELECTOR LEVER
Thespeedselector leverislocatedintherightsideof
thehandlepaneland isusedtodeterminegroundspeed
anddirectionoftravel.
Forward
Therearesixforward(F)speeds.Positionone(1)isthe
slowestand positionsix(6) isthefastest.
Reverse
Therearetworeverse(R)speeds.One(R1)is theslower
andtwo(R2)isthefaster.
illustrated
6
5
4
3
t 2
F1
R1
R2
CHOKE CONTROL
Thechokecontrolisfoundon therearof the
engineand isactivatedbyrotatingthecontrol
counter-clockwise.Activatingthechokecontrol
closesthechokeplateon thecarburetorandaids
instartingtheengine.
KEY
Thekeyisa safetydevice.Itmustbefullyinserted
intotheignitionin orderfortheenginetostart.
Removethekeywhenthesnowthrowerisnotin
use.
IMPORTANT:Donotturnthekeyinan attemptto
starttheengine.Doingsomaycauseittobreak.
Meets ANSi Safety Standards
CraftsmanSnowThrowersconformtothesafetystandardoftheAmericanNationalStandardsInstitute(ANSI).
13
THROTTLE CONTROL
Thethrottlecontrolis locatedon therearof theengine.It regulatesthe
speedoftheengineandwillshutoff theenginewhenmovedintothe
STOPposition.
PRIMER
Pressingtheprimerforcesfueldirectlyintothe
engine'scarburetortoaid in startinga "Cold" qkfP------=---
engine,or restartinga warmengine. I
OIL FILL
Engineoillevelcanbecheckedandoiladded
throughtheoilfill.
OIL DRAIN
Engineoilcanbedrainedthroughtheoil drain.
FUEL CAP
Un-threadthegascaptoaddgasolinetothefueltank.
MUFFLER
Engineexhaustexiststheengineviathemuffler.
ELECTRIC STARTER OUTLET
Requirestheuseofa three-prongoutdoorextensioncordanda 120V
powersource/walloutlet.
RECOIL STARTER HANDLE
Thishandleisusedto manuallystarttheengine.
ELECTRIC STARTER BUTTON
Pressingtheelectricstarterbuttonengagestheengine'selectric
starterwhenpluggedintoa 120Vpowersource.
AUGER
Whenengaged,theaugerbladesrotateanddrawsnowintotheauger
housing.
CHUTE ASSEMBLY
Snowdrawnintotheaugerhousingisdischargedoutthechute
assembly.
DRIFT CUTTERS
Thedrift cuttersaredesignedforuseindeepsnow.Theiruseis
optionalfornormalsnowconditions.Maneuverthesnowthrowerso
thatthecutterspenetratea highstandingsnowdrifttoassistsnow
fallingintotheaugersforthrowing.
SKiD SHOES
Positiontheskidshoesbasedon surfaceconditions.Adjustupward
forhard-packedsnow.Adjustdownwardwhenoperatingongravelor
crushedrocksurfaces.
AUGER CONTROL
AUGER
CONTROL
&
Theaugercontrolis locatedon thelefthandle.Squeezethecontrol
gripagainstthehandletoengagetheaugerand startsnowthrowing
action.Releaseto stop.
DRIVE CONTROL / AUGER CLUTCH LOCK
J
Thedrivecontrolislocatedon therighthandle.Squeezethecontrol
gripagainstthehandletoengagethewheeldrive.Releasethehandle
to stop.
Thedrivecontrolalsolockstheaugercontrolsothatyoucanoperate
thechutedirectionalcontrolwithoutinterruptingthesnowthrowing
process.If theaugercontrolisengagedsimultaneouslywiththedrive
control,theoperatorcanreleasetheaugercontrol(onthelefthandle)
andtheaugerwill remainengaged.Releasebothcontrolstostopthe
augerand wheeldrive.
NOTE:Alwaysreleasethedrivecontrolbeforechangingspeeds.
Failuretodosowillresultin increasedwearonyourmachine'sdrive
system.
14
TWO-WAY CHUTE-PITCH CONTROLTM
Thetwo-waychute-pitchcontrolislocatedon theleftsideofthe
handlepaneland isusedtocontrolthedistanceofsnowdischarge
fromthechute.
Tochangetheupperchuteangletocontrolthedistancethat
snowisthrown,pivottheleverforwardor backward.
Movetheleverforwardto pivottheupperchutedownandreduce
thedistancesnowisthrown.
Movetheleverrearwardtopivottheupperchuteupwardand
increasethedistancesnowisthrown.
NOTE:Toincreaseordecreasethetensionon thetwo-waychute
control,tightenor loosenthewingknobonthechuteassembly.
CHUTE DiRECTiONAL CONTROL
DiscHARG oiscHARGE
a
V
.,j
i
i
CH UTE TILT
DOV_I
CHUTE TILT
UP
.J
CHUTE DiRECTiONAL CONTROL
Thechutedirectionalcontrolislocatedon theleftsideofthe snow
thrower.
Tochangethedirectioninwhichsnowisthrown,crankclockwise
todischargetotheleftand counterclockwisetodischargetothe
right.
WHEEL STEERING CONTROLS
The[eftandrightwheelsteeringcontrolsarelocatedon theunderside
ofthehandles.Squeezetherightcontroltoturnright;squeezetheleft
controltoturnleft.
NOTE: Operatethesnowthrowerinopenareasuntilyouarefamiliar
withthesecontrols.
HEADLIGHT
Theheadlightis locatedinsideofthehandlepanel.
DRIFT CUTTERS
Thedrift cuttersaredesignedforuseindeepsnow.Theiruseis
optionalfornormalsnowconditions.Maneuverthesnowthrowerso
thatthecutterspenetratea highstandingsnowdrifttoassistsnow
fallingintotheaugersforthrowing.
CHUTE CLEAN-OUT TOOL
Thechuteclean-outtoolisconvenientlyfastenedtotherearofthe
augerhousingwitha mountingclip.Shouldsnowand icebecome
lodgedinthechuteassemblyduringoperation,proceedasfollowsto
safelycleanthechuteassemblyandchuteopening:
Neveruseyourhandstocleara cloggedchuteassembly.Shut
off engineandremainbehindhandlesuntilall movingpartshave
stoppedbeforeunclogging.
1. ReleaseboththeAugerControlandtheDriveControl.
2. Stoptheenginebyremovingtheignitionkey.
3. Removetheclean-outtoolfromtheclipwhichsecuresit tothe
rearoftheaugerhousing.
4. Usetheshovel-shapedendoftheclean-outtooltodislodgeand
scoopanysnowandicewhichhasformedinand nearthechute
assembly.
5. Refastentheclean-outtoolto themountingclipon therearof
theaugerhousing,reinserttheignitionkeyandstartthesnow
thrower'sengine.
6. Whilestandingintheoperator'sposition(behindthesnow
thrower),engagetheaugercontrolfora fewsecondstoclear
anyremainingsnowandicefromthechuteassembly.
BEFORE STARTING ENGINE
Read,understand,andfollowallinstructionsandwarningsonthe
machineandinthis manualbeforeoperating.
Oil
Theunitwas shippedwith oilin theengine.Checkoillevelbeforeeach
operationtoensureadequateoil intheengine.Forfurtherinstructions,
refertotheService&Maintenancesectionofthis manual.
NOTE:Besuretochecktheengineona levelsurfacewiththeengine
stopped.
1. Removetheoilfillercap/dipstickandwipethedipstickclean.
2. Insertthecap/dipstickintotheoilfillerneck,andtightenthecap
turningclockwiseuntilcapisseated.
NOTE:Onsomeengines,a threadedscrewcapwillbe present
insteadofthequarterturnlockingcap. Intheinstanceofa
threadedoil cap/dipstick,DONOTscrewthecap/dipstickin to
check.Checktheoil byrestingthecap/dipstickon thethreads,
butnotscrewingitin.
Removetheoilfillercap/dipstick.Ifthe levelislow,slowlyadd
oil (5W-30,witha minimumclassificationofSF/SG)untiloil level
registersbetweenhigh(H)andlow(L).
NOTE:Donotoverfill.Overfillingwithoil mayresultin enginesmoking,
hardstartingor sparkplugfouling.
4. Replaceandtightencap/dipstickfirmlybeforestartingengine.
15
Gasoline
Useextremecarewhenhandlinggasoline.Gasolineisextremely
flammableandthevaporsareexplosive.Neverfuel themachine
indoorsor whiletheengineishotor running.Extinguishcigarettes,
cigars,pipesandothersourcesofignition.
Useautomotivegasoline(unleadedor lowleadedtominimizecombus-
tionchamberdeposits)witha minimumof87octane.Gasolinewith
upto 10%ethanolor 15%MTBE(MethylTertiaryButylEther)canbe
used.Neveruseanoil/gasolinemixtureor dirtygasoline.Avoidgetting
dirt,dust,or waterin thefueltank.DONOTuseE85gasoline.
Refuelin awell-ventilatedareawiththeenginestopped.Donot
smokeor allowflamesorsparksintheareawheretheengineis
refueledor wheregasolineisstored.
Donotoverfillthefueltank.Afterrefueling,makesurethetank
capisclosedproperlyandsecurely.
Becarefulnottospillfuelwhenrefueling.Spilledfuelor fuelvapor
mayignite.Ifanyfuelisspilled,makesuretheareaisdrybefore
startingtheengine.
Avoidrepeatedorprolongedcontactwithskinor breathingofvapor
1. Cleanaroundfuelfill beforeremovingcaptofueltopreventdebris
fromenteringfueltank..
2. Afuellevelindicatorislocatedinthefueltank.Filltankuntilfuel
reachesthefuellevelindictor.SeeFigure10inset.Becarefulnot
tooverfill.
STARTING THE ENGINE
Alwayskeephandsandfeetclearofmovingparts.Donotusea
pressurizedstartingfluid.Vaporsareflammable.
Ifyouhavea groundedthree-prongreceptacle,proceedasfollows.
Ifyoudonothavetheproperhousewiring,DONOTusetheelectric
starterunderanyconditions.
1. Plugtheextensioncordintotheoutletlocatedon theengine's
surface.Plugtheotherendof extensioncordintoa three-prong
120-volt,grounded,ACoutletina well-ventilatedarea.
2. Movethrottlecontrolto FAST(rabbit)_ position.
3. MovechoketotheCHOKEpositionI.,.,¢1(coldenginestart).
NOTE:Iftheengineisalreadywarm,placechokecontrolin the
RUNpositioninsteadofCHOKEI,,_¢I position.
4. Pushprimerthreetimes(3x),makingsureto coverventholein
primerbulbwhenpushing.Ifengineiswarm,pushprimeronly
once.Alwayscoverventholewhenpushing.Coolweathermay
requireprimingtobe repeated.
5. Pushstarterbuttonto startengine.Oncetheenginestarts,im-
mediatelyreleasestarterbutton.Electricstarterisequippedwith
thermaloverloadprotection;systemwilltemporarilyshut-downto
allowstartertocoolifelectricstarterbecomesoverloaded.
Toprolongstarterlife,useshortstartingcycles(5secondsmaximum
thenwaitone minute).
6. Astheenginewarms,slowlyrotatethechokecontroltotheRUN
position.Iftheenginefalters,restartengineandrunwith choke
at half-chokepositionfora shortperiodoftime,andthenslowly
rotatethechokeintotheRUNposition.
7. Afterengineis running,disconnectpowercordfromelectric
starter.Whendisconnecting,alwaysunplugtheendatthewall
outletbeforeunpluggingtheoppositeend fromtheengine.
Recoil Starter
NOTE:Allowtheengineto warmupfora fewminutesafterstarting.
Theenginewillnotdevelopfullpoweruntilit reachesoperating
temperatures.
1. Makecertainboththeaugercontrolanddrivecontrolare inthe
disengaged(released)position.
2. Insertkeyintoslot.Makesureit snapsintoplace.Donotattempt
toturnthekey.
NOTE:Theenginecannotstartwithoutthekeyisfullyinsertedintothe
ignitionswitch.
Electric Starter
Theoptionalelectricstarterisequippedwitha groundedthree-wire
powercordandplug,andisdesignedtooperateon 120voltAC
householdcurrent.It mustbeusedwitha properlygroundedthree-
prongreceptacleatalltimestoavoidthepossibilityofelectricshock.
Followall instructionscarefullypriortooperatingtheelectricstarter.
DONOTuseelectricstarterin therain.
Determinethatyourhome'swiringisa three-wiregroundedsystem.
Aska licensedelectricianifyouarenotcertain.
Donotpullthestarterhandlewhiletheenginerunning.
1. Movethrottlecontrolto FAST(rabbit)_1 position.
2. MovechoketotheCHOKEI,,,¢1position_(coldenginestart).If
engineiswarm,placechokeinthe RUNposition.
3. Pushprimerthreetimes,makingsureto coverventholewhen
pushing.If engineiswarm,pushprimeronlyonce.Alwayscover
ventholewhenpushing.Coolweathermayrequireprimingto be
repeated.
4. Pullgentlyon thestarterhandleuntilit beginstoresist,thenpull
quicklyandforcefullytoovercomethecompression.Engineshould
start.Donotreleasethehandleandallowittosnapback.Return
ropeSLOWLYtooriginalposition.If required,repeatthisstep.
5. Astheenginewarms,slowlyrotatethechokecontroltotheRUN
position.Iftheenginefalters,restartengineandrunwith choke
at half-chokepositionfora shortperiodoftime,andthenslowly
rotatethechokeintotheRUNposition.
Toavoidunsupervisedengineoperation,neverleavethemachine
unattendedwiththeenginerunning.Turntheengineoff afteruseand
removekey.
16
STOPPING THE ENGINE
Afteryouhavefinishedsnow-throwing,runenginefora fewminutes
beforestoppingto helpdryoff anymoistureon theengine.
1. Movethrottlecontrolto STOPi_ position.
ine.Backfireorenc 'occur.
2. Removethekey.Removingthekeywill reducethepossibilityof
unauthorizedstartingoftheenginewhileequipmentis notin use.
Keepthekeyina safeplace.Theenginecannotstartwithoutthe
key.
3. Wipeallsnowandmoisturefromtheareaaroundtheengineas
wellastheareainandaroundthewheeldrivecontrolandauger
control.Also,engageand releasebothcontrolsseveraltimes.
TO ENGAGE DRIVE
1. Withthethrottlecontrolin theFast(rabbit)_ position,move
speedselectorleverintooneofthesix forward(F)positionsor
two reverse(R)positions.Selecta speedappropriateforthe
snowconditionsanda paceyou'recomfortablewith.
NOTE: Whenselectinga DriveSpeed,usetheslowerspeeds
untilyouarecomfortableandfamiliarwiththeoperationofthe
snowthrower.
2. Squeezethedrivecontrolagainstthehandleandthesnow
throwerwillmove.Releaseitand drivemotionwillstop.
NOTE:NEVERrepositionthespeedselectorlever(changespeedsor
directionoftravel)withoutfirstreleasingthedrivecontroland bringing
the snowthrowertoa completestop.Doingsowillresultin premature
weartothe snowthrower'sdrivesystem.
TO ENGAGE AUGER
1. Toengagetheaugerandstartthrowingsnow,squeezetheauger
controlagainsttheleft handle.Releasetostoptheauger.
REPLACING SHEAR PiNS
Theaugersare securedtothespiralshaftwith shearpinsandbow-tie
cotterpins.Iftheaugershouldstrikea foreignobjector icejam, the
snowthrowerisdesignedsothatthe pinsmayshear.Iftheaugerswill
notturn,checktoseeifthepinshavesheared. SeeFigure17.
NOTE:Twoextrashearpinsaresuppliedin themanualbag.
NEVERreplacetheaugershearpinswithanythingotherthanSears
SKU#88389/0EM PartNo.738-04155replacementshearpins.Any
damagetotheaugergearboxorothercomponentsasa resultof
failingtodo sowill NOTbecoveredbyyoursnowthrower'swarranty.
Alwaysturnoffthesnowthrower'sengineand removethekeypriorto
replacingshearpins.
\
Figure17
17
MAINTENANCE SCHEDULE
Beforeperforminganytypeofmaintenance/service,disengageall
controlsandstoptheengine.Waituntilallmovingpartshavecometoa
completestop.Removethekeytopreventunintendedstarting.Always
wearsafetyglassesduringoperationorwhileperforminganyadjustments
orrepairs.
Followthemaintenanceschedulegivenbelow.Thischartdescribes
serviceguidelinesonly.UsetheServiceLogcolumntokeeptrackof
completedmaintenancetasks.Tolocate the nearest SearsService
Centeror toscheduleservice,simplycontactSearsat
1-800-4-MY-HOME®.
EachUse
1st5 - 8 hours
25 hours
50 hours
Annuallyor 100hours
BeforeStorage 1. Fuelsystem
Underheavyloador inhightemperatures
1. Engineoillevel
2. Looseormissinghardware
3. Unitandengine.
1. Engineoil
1. Engineoi11-
2. Controllinkagesand pivots
1. Engineoil
1. Sparkplug
= =
1. Check
2. Tightenor replace
3. Clean
1. Change
1. Change
2. Lubewithlightoil
1. Change
1. Cleanand re-gap,orelse replace
withnewplug.
1. Runengineuntilit stopsfromlackof
fueloradda gasolineadditivetothe
gasin thetank.
ENGINE MAINTENANCE
Checking Engine Oil
Beforelubricating,repairing,or inspecting,disengageallcontrolsand
stopengine.Waituntilallmovingpartshavecometoa completestop.
Removethekeytopreventunintendedfiringoftheengine.
NOTE: Checktheoil levelbeforeeachuseto besurecorrectoil level
ismaintained.
Whenaddingoiltotheengine,referto viscositychart below.Engineoil
capacityisapproximately37 ounces.Donotover-fill.Usea 4-stroke,
oran equivalenthighdetergent,premiumqualitymotoroilcertified
tomeetorexceedU.S.automobilemanufacturer'srequirementsfor
serviceclassificationSG,SRMotoroilsclassifiedSG,SFwillshow
thisdesignationonthecontainer.
1. Removetheoil fillercap/dipstickandwipethedipstickclean.
2. Insertthecap/dipstickintotheoil fillerneck,butdo not screwit in.
NOTE:On someengines,a threadedscrewcapwillbepresent
insteadofthequarterturnlockingcap.Intheinstanceof a threadedoil
cap/dipstick,DONOTscrewthecap/dipstickin tocheck.Checktheoil
byrestingthecap/dipstickonthethreads,butnotscrewingitin.
3. Removetheoil fillercap/dipstick,iflevelislow,slowlyadd oiluntil
oil levelregistersbetweenhigh(H)andlow(L).SeeFigure18.
4. Replaceandtightencap/dipstickfirmlybeforestartingengine.
Figure18
Changing Engine Oil
J
NOTE:Changetheengineoil afterthefirst5 hoursofoperationand
oncea seasonor every50 hoursthereafter.
1. Drainfuelfromtankbyrunningengineuntilthefueltankisempty.
Besurefuelfillcapis secure.
2. Placesuitableoilcollectioncontainerunderoil drainplug.
3. Removeoil drainplug.SeeFigure19.
4. Tipenginetodrainoil intothecontainer.Usedoil mustbe
disposedofata propercollectioncenter.
18
f
Oil Drain
Plug
Figure19
Usedoil isa hazardouswasteproduct.Disposeof usedoil properly.
Donotdiscardwith householdwaste.Checkwithyourlocalauthori-
tiesor SearsServiceCenterforsafedisposal/recyclingfacilities.
.
6.
Reinstallthedrainplugandtightenit securely.
Refillwiththerecommendedoil andchecktheoil level.See
RecommendedOil Usage chart. The engine's oilcapacity is 37
ounces.
iftheenginehasbeenrunning,themufflerwillbeveryhot.Becareful
nottotouchthemuffler.
NOTE: Checkthesparkplugoncea seasonor every25 hoursof
operation.Changethe sparkplugoncea seasonorevery100hours.
Toensureproperengineoperation,thesparkplugmustbeproperly
gappedandfreeofdeposits.
1. Removethesparkplugbootand usea sparkplugwrenchto
removetheplug.SeeFigure20.
Spark Plug
DONOTusenon-detergentoilor 2-strokeengineoil.Itcouldshorten
theengine'sservicelife.
(°F}=40o =20o 0o 200 400
(°c) -30° -20° -10° 0°
7. Reinstalltheoilfillercap/dipsticksecurely.
Thoroughlywashyourhandswithsoapandwaterassoonas
possibleafterhandling usedoil.
Checking Spark Plug
DONOTcheckforsparkwithsparkplugremoved.DONOTcrank
enginewithsparkplugremoved.
Figure20
2. Visuallyinspectthesparkplug.Discardthe sparkplugifthereis
apparentwear,or iftheinsulatoriscrackedor chipped.Cleanthe
sparkplugwithawirebrushifit istobe reused.
3. Measurethepluggapwitha feelergauge.Correctasnecessary
bybendingsideelectrode.SeeFigure21.Thegap shouldbe set
to .02-.03inches(0.60-0.80ram).
,'2 3
1..030 (.76 mm) Gap
2. Electrodes
k"_i Porcelain
Figure21
4. Checkthatthesparkplugwasheris ingoodconditionandthread
thesparkpluginbyhandtopreventcross-threading.
19
5. Afterthe sparkplugisseated,tightenwitha sparkplugwrenchto
compressthewasher.
NOTE:Wheninstallinga newsparkplug,tighten1/2-turnafterthe
sparkplugseatstocompressthewasher.Whenreinstallinga used
sparkplug,tighten1/8-to 1/4-turnafterthesparkplugseatsto
compressthewasher.
hotandcan ine.
CARBURETOR ADJUSTMENT
Thecarburetoris notuseradjustable.ContactSearsParts& Repairfor
adjustment.
LUBRICATION
Drive and Shifting Mechanism
Atleastoncea seasonor afterevery25 hoursofoperation,remove
rearcover.Lubricateall chains,sprockets,gears,bearings,shafts,and
theshiftingmechanism.Useengineoil ora spraylubricant.Referto
Figure22.
NOTE:Beforetippingtheunitonthefronthousing,runthefueltank
emptysofueldoesnotleakoutof thefuelcap.
1. Carefullypivotthesnowthrowerupandforwardsothat itrestson
theaugerhousing.
2. Removetheframecoverfromtheundersideofthesnowthrower
byremovingtheself-tappingscrewswhichsecureit. Referto
Figure27.
3. Applya lightcoatingofengineoil (or3-in-1oil) tothehexshaft.
SeeFig.22.
NOTE:Becarefulnottogetanyoilon thealuminumdriveplateor
rubberfrictionwheel.Doingsowillhinderthesnowthrower'sdrive
system.Wipeoff anyexcessor spilledoil.
4. At least once a season grease the wheel axle with Arctic grease,
part number 737-0318. The grease fitting is located on the
wheel axle tube behind the wheel axle support bracket.
Rubber Friction
Wheel
Aluminum
Drive
Wheel Axle
Support Bracket
Figure22
Wheels
At leastoncea season,removebothwheels.Cleanandcoattheaxles
witha multipurposeautomotivegreasebeforereinstallingwheels.
Chute Directional Control
Onceaseason,lubricatetheeyeboltbushingandthespiralwith3-in-1
oil.
Auger Shaft
At leastoncea season,oneata time,removeallof theshearpins
fromthe augershaft.Spraylubricantinsidethehubofeachauger
spiralassemblyandaroundthespacersontheaugershaft.
Greasefittingscanalsobe foundateachendoftheaugershaft.
Lubricatewitha greasegunoncea season.See Figure23.
Gear Case
Theaugergearcaseisequippedwitha greasefitting.Lubricatewith
greaseoncea season(orderpartnumber737-0168).SeeFigure6-2.
NOTE:Torelievepressure,removetheventplugbeforelubricatingthe
gearcase.See Figure23. Failuretodosocouldresultindamageto
thegearcaseseals.
Augers
Eachoftheaugerspiralassembliesissecuredtothe spiralshaftwith
a shearpinandcotterpin.If theaugershouldstrikeaforeignobjector
icejam,thesnowthrowerisdesignedsothatthepinsmayshear.
1. Ifaugersdonotturn,checktoseeif pinshavesheared.
2. Replacethepinsif needed.Tworeplacementshearpinsand
cotterpinshavebeenprovidedwiththesnowthrower.Sprayan
oil lubricantintoshaftbeforeinsertingnewpinsand securingwith
newcotterpins.See Fig.23.
Shear Pins Vent Plug Grease Fitting
2O
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MTD 247883970 Owner's manual

Category
Snow throwers
Type
Owner's manual
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