Operator's Manual
CRRFr MRN
21" SNOW THROWER
Model No. 247.88704
CAUTION: Before using
this product, read this
manual and follow all
safety rules and operating
instructions.
Sears, Roebuck and Co., Hoffman Estates, IL 60179, U.S.A.
Visit our website: www.craftsman.com FORM1/0.769-05022
o SAFETY
ASSEMBLY
OPERATION
MAINTENANCE
PARTS LIST
o ESPANOL
6/18/2009
WarrantyStatement..................................Page2
SafeOperation Practices .......................... Pages 3-6
Safety Symbols ......................................... Page 6
Assembly .................................................. Pages 7-9
Operation .................................................. Pages 10-12
Service and Maintenance ......................... Pages 13-17
CRAFTSMAN FULL WARRANTY
When operated and maintained according to all supplied instructions, if this Craftsman snow thrower fails due to a
defect in material or workmanship within two years from the date of purchase, return it to any Sears store, Sears Parts
& Repair Service Center, or other Craftsman outlet in the United States for free repair (or replacement if repair proves
impossible).
This warranty applies for only 90 days from the date of purchase if this chipper-shredder is ever used for commercial or
rental purposes.
This warranty covers ONLY defects in material and workmanship. Sears will NOT pay for:
• Expendable items that become worn during normal use, including but not limited to
auger blades, skid shoes, shave plate, shear pins, spark plug, air cleaner, belts, and oil filter.
Standard maintenance servicing, oil changes, or tune-ups.
Tire replacement or repair caused by punctures from outside objects, such as nails, thorns, stumps, or glass.
Tire or wheel replacement or repair resulting from normal wear, accident, or improper operation or maintenance.
Repairs necessary because of operator abuse, including but not limited to damage caused by over-speeding the
engine, or from impacting objects that bend the auger, frame or crankshaft.
Repairs necessary because of operator negligence, including but not limited to, electrical and mechanical damage
caused by improper storage, failure to use the proper grade and amount of engine oil, or failure to maintain the
equipment according to the instructions contained in the operator's manual.
Engine (fuel system) cleaning or repairs caused by fuel determined to be contaminated or oxidized (stale). In
general, fuel should be used within 30 days of its purchase date.
Normal deterioration and wear of the exterior finishes, or product label replacement.
Off-Season Storage .................................. Page 18
Trouble Shooting ....................................... Page 19
Parts List ................................................... Page 20-27
Repair Protection Agreement ................... Page 31
Espa_ol ..................................................... Page 32
Service Numbers ...................................... Back Cover
This warranty applies only while this product is within the United States.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
Sears, Roebuck and Co., Hoffman Estates, IL 60179
EngineOilType: SAE5W-30
EngineOilCapacity: 20ounces
FuelCapacity: 2 Quarts
SparkPlug: TorchF6RTC
SparkPlugGap: .020"-.030"
©SearsBrands,LLC
Model Number.................................................................
Serial Number .................................................................
Dateof Purchase.............................................................
Recordthemodelnumber,serialnumber
anddateof purchaseabove
2
Thissymbolpointsoutimportantsafetyinstructionswhich,if not
followed,couldendangerthepersonalsafetyand/orpropertyof
yourselfandothers. Readandfollowall instructionsin thismanual
beforeattemptingtooperatethismachine.Failuretocomplywith
theseinstructionsmayresultin personalinjury.Whenyou seethis
symbol,HEEDITSWARNING!
Thismachinewasbuilttobeoperatedaccordingtothesafeopera-
tionpracticesinthis manual.As withanytypeof powerequipment,
carelessnessorerroron the partoftheoperatorcanresultin serious
injury.Thismachineiscapableofamputatingfingers,hands,toes
andfeetandthrowingdebris.Failuretoobservethefollowingsafety
instructionscouldresultin seriousinjuryor death.
CALIFORNIA PROPOSITION 65
EngineExhaust,someof itsconstituents,andcertainvehicle
componentscontainoremitchemicalsknownto StateofCalifornia
tocausecancerandbirthdefectsorotherreproductiveharm,
TRAiNiNG
• Read,understand,andfollowall instructionson the machineand
in themanual(s)beforeattemptingto assembleandoperate.
Failuretodo socan resultinseriousinjurytothe operatorand/
orbystanders.Keepthismanualina safeplaceforfutureand
regularreferenceandfororderingreplacementparts. Forques-
tionscall,1-800-4MY-HOME.
• Befamiliarwithallcontrolsandtheirproperoperation.Knowhow
tostopthemachineanddisengagethemquickly.
Neverallowchildrenunder14yearsof agetooperatethis
machine.Children14andovershouldreadandunderstandthe
instructionsandsafeoperationpracticesin thismanualandon
themachineandbe trainedandsupervisedbyanadult.
Neverallowadultsto operatethis machinewithoutproper
instruction.
• Thrownobjectscan causeseriouspersonalinjury.Planyour
snow-throwingpatterntoavoiddischargeof materialtoward
roads,bystandersandthelike.
Keepbystanders,petsandchildrenatleast75feetfromthe
machinewhileitisinoperation.Stopmachineifanyoneenters
thearea.
Exercisecautiontoavoidslippingorfalling,especiallywhen
operatinginreverse.
Your Responsibility--Restrict the useofthis powermachineto
personswhoread,understandandfollowthewarningsandinstruc-
tionsin thismanualandon themachine,
SAVE THESE INSTRUCTIONS!
PREPARATION
Thoroughlyinspecttheareawheretheequipmentistobeused.
Removeall doormats,newspapers,sleds,boards,wiresandother
foreignobjects,whichcouldbe trippedoverorthrownbytheauger/
impeller.
Alwayswearsafetyglassesoreyeshieldsduringoperationand
whileperforminganadjustmentor repairtoprotectyoureyes.
Thrownobjectswhichricochetcancauseseriousinjurytothe
eyes.
Donot operatewithoutwearingadequatewinteroutergarments.
Donot wearjewelry,longscarvesorotherlooseclothing,which
couldbecomeentangledinmovingparts.Wearfootwearwhich
willimprovefootingonslipperysurfaces.
Usea groundedthree-wireextensioncordand receptacleforall
machineswithelectricstartengines.
Disengageallcontrolleversbeforestartingtheengine.
Neverattempttomakeanyadjustmentswhileengineis running,
exceptwherespecificallyrecommendedinthe operator'smanual.
Letengineandmachineadjusttooutdoortemperaturebefore
startingtoclearsnow.
3
SafeHandlingof Gasoline
Toavoidpersonalinjuryor propertydamageuseextremecarein
handlinggasoline.Gasolineisextremelyflammableandthe vaporsare
explosive.Seriouspersonalinjurycan occurwhengasolineisspilled
onyourselforyourclotheswhichcan ignite.Washyourskinand
changeclothesimmediately.
• Useonlyanapprovedgasolinecontainer.
• Extinguishall cigarettes,cigars,pipesandother sources
ofignition.
• Neverfuelmachineindoors.
• Neverremovegascapor addfuelwhilethe engineis hot
or running.
• Allowenginetocoolat leasttwo minutesbeforerefueling.
• Neveroverfillfueltank. Filltankto no morethan1/2inch
belowbottomoffillerneckto providespaceforfuel
expansion.
• Replacegasolinecapandtightensecurely.
• Ifgasolineisspilled,wipeit offtheengineandequipment.
Movemachinetoanotherarea.Wait5 minutesbefore
startingtheengine.
• Neverstorethemachineor fuelcontainerinsidewhere
thereis anopenflame,sparkor pilotlight(e.g.furnace,
waterheater,spaceheater,clothesdryeretc.).
• Allowmachineto cool at least5 minutesbeforestoring.
• Neverfillcontainersinsidea vehicleor ona truckor trailer
bedwitha plasticliner.Alwaysplacecontainersonthe
groundawayfromyourvehiclebeforefilling.
• If possible,removegas-poweredequipmentfromthetruck
ortrailerand refueliton the ground.If thisisnotpossible,
thenrefuelsuchequipmentona trailerwitha portable
container,ratherthanfromagasolinedispensernozzle.
• Keepthenozzleincontactwiththe rimof the fueltankor
containeropeningatalltimesuntilfuelingis complete.Do
notuse a nozzlelock-opendevice.
OPERATION
• Donotputhandsorfeetnear rotatingparts,in the auger/impeller
housingorchuteassembly.Contactwiththe rotatingpartscan
amputatehandsandfeet.
• Theauger/impellercontrolleverisa safetydevice.Neverbypass
itsoperation.Doingsomakesthemachineunsafeandmaycause
personalinjury.
• Thecontrolleversmustoperateeasilyin bothdirectionsand
automaticallyreturntothe disengagedpositionwhenreleased.
• Neveroperatewitha missingordamagedchuteassembly.Keep
all safetydevicesin placeandworking.
• Neverrunanengineindoorsorina poorlyventilatedarea.Engine
exhaustcontainscarbonmonoxide,anodorlessanddeadlygas.
• Donotoperatemachinewhileundertheinfluenceofalcoholor
drugs.
• Mufflerandenginebecomehotandcancausea burn.Donot
touch.Keepchildrenaway.
• Exerciseextremecautionwhenoperatingonorcrossinggravel
surfaces.Stayalertforhiddenhazardsortraffic.
• Exercisecautionwhenchangingdirectionandwhileoperatingon
slopes.
• Planyoursnow-throwingpatternto avoiddischargetowards
windows,walls,carsetc.Thus,avoidingpossibleproperty
damageorpersonalinjurycausedbya ricochet.
• Neverdirectdischargeatchildren,bystandersandpetsor allow
anyoneinfrontofthemachine.
• Donotoverloadmachinecapacitybyattemptingtoclearsnowat
toofastof a rate.
• Neveroperatethismachinewithoutgoodvisibilityorlight.Always
be sureofyourfootingand keepa firmholdon thehandles.Walk,
neverrun.
• Disengagepowertotheauger/impellerwhentransportingor not
in use.
• Neveroperatemachineat hightransportspeedsonslippery
surfaces.Lookdownand behindand usecarewhenbackingup.
• Ifthe machineshouldstarttovibrateabnormally,stoptheengine,
disconnectthe sparkplugwireandgroundit againsttheengine.
Inspectthoroughlyfor damage.Repairanydamagebefore
startingandoperating.
• Disengageallcontrolleversandstopenginebeforeyouleave
theoperatingposition(behindthehandles).Waituntiltheauger/
impellercomestoa completestopbeforeuncloggingthechute
assembly,makinganyadjustments,orinspections.
• Neverputyourhandinthe dischargeorcollectoropenings.Do
notunclogchuteassemblywhileengineisrunning.Shutoff
engineand remainbehindhandlesuntilall movingpartshave
stoppedbeforeunclogging.
• Useonlyattachmentsandaccessoriesapprovedbythe manufac-
turer(e.g.wheelweights,tirechains,cabsetc.).
• Whenstartingengine,pullcordslowlyuntilresistanceisfelt,then
pull rapidly.Rapidretractionofstartercord(kickback)willpull
handandarmtowardenginefasterthanyoucan let go. Broken
bones,fractures,bruisesorsprainscould result.
• Ifsituationsoccurwhichare notcoveredinthis manual,usecare
andgoodjudgment.ContactCustomerSupportforassistance
andthenameofyournearestservicingdealer.
CLEARING A CLOGGED DISCHARGE CHUTE
Handcontactwiththe rotatingimpellerinsidethe dischargechute
is themostcommoncauseofinjuryassociatedwithsnowthrowers.
Neveruseyourhandtocleanout thedischargechute.
Toclear thechute:
1. SHUTTHEENGINEOFF!
2. Wait 10secondstobe suretheimpellerbladeshavestopped
rotating.
3. Alwaysusea clean-outtool,notyourhands.
4
MAINTENANCE & STORAGE
• Nevertamperwithsafetydevices.Checktheirproperoperation
regularly.Refertothemaintenanceandadjustmentsectionsof
thismanual.
• Beforecleaning,repairing,orinspectingmachinedisengageall
controlleversandstopthe engine.Waituntiltheauger/impeller
cometoa completestop.Disconnectthe sparkplugwireand
groundagainsttheenginetopreventunintendedstarting.
Checkboltsand screwsforpropertightnessatfrequentintervals
tokeepthe machineinsafeworkingcondition.Also,visually
inspectmachineforanydamage.
Donotchangetheenginegovernorsettingor over-speedthe
engine.Thegovernorcontrolsthe maximumsafeoperatingspeed
oftheengine.
Snowthrowershaveplatesandskidshoesaresubjecttowear
anddamage.Foryoursafetyprotection,frequentlycheckall
componentsandreplacewithoriginalequipmentmanufacturer's
(OEM)partsonly.Useofpartswhichdo notmeettheoriginal
equipmentspecificationsmayleadto improperperformanceand
compromisesafety!
Checkcontrolleversperiodicallytoverifytheyengageanddisen-
gageproperlyandadjust,if necessary.Refertotheadjustment
sectioninthisoperator'smanualforinstructions.
Maintainor replacesafetyandinstructionlabels,asnecessary.
• Observeproperdisposallawsand regulationsforgas,oil,etc.to
protecttheenvironment.
Priorto storing,runmachineafew minutestoclear snowfrom
machineand preventfreezeupof auger/impeller.
Neverstorethemachineorfuelcontainerinsidewherethereisan
openflame,sparkorpilotlightsuchasa waterheater,furnace,
clothesdryeretc.
Alwaysrefertotheoperator'smanualforproperinstructionson
off-seasonstorage.
Checkfuelline,tank,cap,andfittingsfrequentlyforcracksor
leaks.Replaceif necessary.
Donotcrankenginewithsparkplugremoved.
AccordingtotheConsumerProductsSafetyCommission(CPSC)
andtheU.S.EnvironmentalProtectionAgency(EPA),thisproduct
hasan AverageUsefulLifeof seven(7)years,or60 hoursof
operation.At the endoftheAverageUsefulLifehavethemachine
inspectedannuallybyan authorizedservicedealertoensurethat
allmechanicalandsafetysystemsareworkingproperlyandnot
wornexcessively.Failuretodo socan resultinaccidents,injuries
ordeath.
DO NOT MODIFY ENGINE
Toavoidseriousinjuryor death,do notmodifyengineinanyway.
Tamperingwiththegovernorsettingcanleadtoa runawayengineand
causeittooperateat unsafespeeds.Nevertamperwithfactorysetting
ofenginegovernor.
NOTICE REGARDING EMiSSiONS
EngineswhicharecertifiedtocomplywithCaliforniaandfederal
EPAemissionregulationsforSORE(SmallOff RoadEquipment)are
certifiedto operateon 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 sparkarrestermeetingapplicablelocalor
statelaws(ifany)
Ifa sparkattesterisused,itshouldbemaintainedineffectiveworking
orderbytheoperator.Inthe StateofCaliforniatheaboveis required
bylaw (Section4442oftheCaliforniaPublicResourcesCode).Other
statesmayhavesimilarlaws. Federallawsapplyonfederallands.
A sparkarresterforthemuffleris availablethroughyournearestSears
PartsandRepairServiceCenter.
SAFETY SYMBOLS
Thispagedepictsanddescribessafetysymbolsthatmayappearonthisproduct. Read,understand,andfollowall instructionson themachine
beforeattemptingtoassembleandoperate.
READ THE OPERATOR'S MANUAL(S)
i
i
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
6
NOTE:Referencesto rightorleft sideofthesnowthrowerare
determinedfrombehindthe unit intheoperatingposition(standing
directlybehindthesnowthrower,facingthe handlepanel).
REMOVING FROM CARTON
1. Cutthe cornersof thecartonandlaythesidesflaton theground.
Removeanddiscardallpackinginserts.
2. Movethesnowthroweroutofthecarton.
3. Makecertainthecartonhas beencompletelyemptiedbefore
discardingit.
ASSEMBLY
Positioning the Upper Handle
1. Pivottheupperhandleintothe operatingpositionmakingsurenot
topinchthe cablein theprocess,asillustratedinFigure1,untilit
clicksintoplace.
J
Figure1
2. Tightenthewingknobstosecurethehandleinplace.
See Figure2.
f,
J
Figure2
SETUP
Fuel Recommendations
Useautomotivegasoline(unleadedor lowleadedtominimizecombus-
tionchamberdeposits)witha minimumof87 octane.Gasolinewith
up to 10%ethanolor 15%MTBE(MethylTertiaryButylEther)canbe
used.Neverusean oil/gasolinemixtureordirty gasoline.Avoidgetting
dirt, dust,or waterinthefueltank.DO NOTuse E85gasoline.
• Refuelina well-ventilatedareawiththe enginestopped.Donot
smokeorallowflamesor sparksin theareawheretheengineis
refueledor wheregasolineisstored.
• Donotoverfillthefueltank.After refueling,makesurethetank
capisclosedproperlyandsecurely.
• Becarefulnotto spillfuelwhenrefueling.Spilledfuelorfuel vapor
mayignite.Ifanyfuelis spilled,makesuretheareais dry before
startingthe engine.
• Avoidrepeatedorprolongedcontactwithskinor breathingof
vapor.
Adding Fuel
Useextremecarewhenhandlinggasoline.Gasolineisextremely
flammableandthe vaporsareexplosive.Neverfuelthe machine
indoorsorwhilethe engineis hot or running.Extinguishcigarettes,
cigars,pipesandothersourcesofignition.
Alwayskeephandsandfeetclearofequipmentmovingparts.Donot
usea pressurizedstartingfluid.Vaporsareflammable.
1. Removethegascap,checkthefuellevelandaddfuel if neces-
sary.
7
Adding Oil
Theengineis shippedwithoutoilintheengine.Youmustfillthe
enginewithoilbeforeoperating.Runningtheenginewithinsufficient
oilcancauseseriousenginedamageandvoidtheproductwarranty.
.
Placethe snowthrowerona flat, levelsurface.
2.
Removetheoil fillercap/dipstickandwipethedipstickclean.See
Figure3.
f.-
NOTE:Donotoverfill.Overfillingtheenginewithoilmayresultinthe
enginesmoking,hardstartingor sparkplugfouling.
ADJUSTMENTS
Chute Assembly
Thepitchofthechuteassemblycontrolstheangleatwhichthesnow
isthrown.
1. Loosenthewingknobfoundontheleftsideofthechuteassem-
blyandpivottheupperchuteupwardordownwardtothedesired
pitch.Retightenthe wingknobbeforeoperatingthesnowthrower.
SeeFigure5.
Figure3
NOTE:Donotscrewinthedipstickwhencheckingtheoil level.
3. Slowlyaddoil untilthe oillevelregistersbetweenhigh(H) andlow
(L)on thedipstick,Figure4. Referto the ServiceandMainte-
nancesectionforthecorrectoilviscosityandengineoil capacity.
f
H
J
Figure5
Positionthechuteassemblyopeningby usingthechutehandleto
throwthesnowinthedesireddirection.SeeFigure5.
Figure4
8
This pageleft intentionallyblank.
9
Recoil Starter
Primer
Gas Ca
er Control
Handle
Shave Plate
Auger
Figure6
Nowthat youhavesetup yoursnowthrower,it'simportanttobecome
acquaintedwithitscontrolsandfeatures.RefertoFigure6.
CHOKE CONTROL
t+ t'.,I
Activatingthechokecontrolclosesthe chokeplateoncarburetorand
aidsinstartingengine.ThechokeleverslidesbetweentheRUNI _1
andCHOKEI'°'_ positions.
Pressingprimerbuttonforcesfueldirectlyintoengine's
PRIMER
carburetortoaidin cold-weatherstarting.
l
RECOIL STARTER
Thestarterhandleis usedtostarttheengine.
GASOLINE CAP
Removethegascaptoaddfuel.
! / I
f
Chok
Exhaust
Oil FillCap..w_
w/Dipstick
k,_ Oil Drain t
SparkPlug/ "_
Boot
_\/\_l//_ Recoil
pStart+r
Hand_
KEY
Thekeyisa safetydevice.It mustbefullyinsertedin
orderfortheenginetostart.Removethekeywhenthe
snowthrowerisnotinuse.
NOTE:Donotturnthekeyinanattemptto startthe
engine.Doingsomaycauseit to break.
AUGER
Whenengaged,theaugerrotationdrawssnowintotheaugerhousing
andthrowsitoutthedischargechute.Rubberpaddlesontheauger
alsoaidin propellingthe snowthroweras theycomein contactwith
thepavement.
AUGER CONTROL
Locatedontheupperhandle,theaugercontrolhandleisusedto
engageanddisengagedrivetotheauger.SqueezethecontrolhandJe
againsttheupperhandletoengagetheauger;releaseitto disengage.
Meets ANSi Safety Standards
CraftsmanSnowThrowersconformto the safetystandardoftheAmericanNationalStandardsInstitute(ANSI).
10
CHUTE ASSEMBLY
Rotatethedischargechuteto the leftor rightusingthechutehandle.
Thepitchofthedischargechutecontrolstheangleatwhichthesnow
isthrown.Loosenthewing knobonthe side of the dischargechute
beforepivotingthedischargechuteupwardordownward.Retighten
theknoboncethedesiredpositionhasbeenachieved.
SHAVE PLATE
Theshaveplate maintainscontactwiththepavementasthesnow
throwerispropelled,allowingsnowclosetothe pavement'ssurfaceto
bedischarged.
BEFORE STARTING THE ENGINE
machineandin thismanualbeforeo
1. Thesparkplugwirewasdisconnectedforsafety.Attachthespark
plugwiretothesparkplugbeforestarting.
STARTING THE ENGINE
)ressurizedstartin( flammable.
Toavoidcarbonmonoxidepoisoning,makesuretheengineis
outdoorsina well-ventilatedarea.
4. Pushintheprimerbuttonfivetoseven(5-7)times,makingsureto
covertheventholewhenpushing.
5. Ifthe engineis warm,pushtheprimerbuttononlyonce.
NOTE:Alwayscovertheventholeintheprimerbuttonwhenpushing.
Additionalprimingmaybe necessaryforthefirststartifthetempera-
tureisbelow15° E
6. Graspthestarterhandleandpulltheropeoutslowly,untilitpulls
slightlyharder.Letthe roperewindslowly.
7. Pullthestarterhandlerapidly.Do notallowthehandletosnap
back.Allowit torewindslowlywhilekeepinga firmholdon the
handle.
8. Astheenginewarmsupandbeginstooperateevenly,slidethe
chokeleverslowlytothe 1/2-chokeposition(mid-waybetween
RUNandOFF).Whentheenginebeginsto runsmoothly,move
thechoketothe RUN_ _position.Iftheenginefails,returnto
theCHOKEI_1 position,thenslowlymoveto 1/2-chokethenthe
RUNI _ i position.
|t,I
STOPPING THE ENGINE
1. Runthe enginefora fewminutesbeforestoppingto helpdry
CHOKEanymoistureon theengine.
2. Tostoptheengineremovethekeyand storeitin a safeplace.
3. Wipeall the snowandmoistureawayfromthe enginecontrols
area.
1. Insertthe keyintothe slot. SeeFigure7.Donotattempttoturn
thekey.Doingsomaycauseitto break.
r
,%
Figure7
2. Movethechokeleverto the CHOKEI",1 os t on(co dengine
start).
3. if theengineiswarm,placethechokeintheRUNI _ Iposition
insteadofCHOKEI'I
Muffler,engineandsurroundingareasbecomehotandcancausea
burn.Becarefulanddonottouchwhenthe,/are hot.
ENGAGING THE AUGERS
Engagethe augerby squeezingtheaugercontrolagainsttheupper
handle.Releasethecontroltostoptheauger.
ENGAGING THE DRIVE
Liftup slightlyonthe handleto allowthe rubberpaddlesontheauger
tocontactthepavementand propelthe snowthrowerforward.Pushing
downwardonthehandlewill raisetheaugersCHOKEthegroundand
stoptheforwardmotion.
NOTE:Excessiveupwardpressureonthe handlewill resultin
prematureweartotherubberaugerpaddles,whichisnotcoveredby
thewarranty.
CLEARING A CLOGGED DISCHARGE CHUTE
Handcontactwiththe rotatingimpellerinsidethe dischargechute
isthe mostcommoncauseofinjuryassociatedwithsnowthrowers.
Neveruseyourhandto cleanoutthedischargechute.
Toclear thechute:
1. SHUTTHEENGINEOFF!
2. Wait 10secondstobe suretheimpellerbladeshavestopped
rotating.
3. Alwaysusea clean-outtool,notyourhands.
11
Thispageleftintentionallyblank.
12
MAINTENANCE SCHEDULE
Beforeperforminganytypeofmaintenance/service,disengageall
controlsandstoptheengine.Waituntilallmovingpartshavecometo
acompletestop.Disconnectsparkplugwireandgrounditagainstthe
enginetopreventunintendedstarting.Alwayswearsafetyglassesduring
operationorwhileperforminganyadjustmentsorrepairs.
Eachuse 1. Engineoillevel.
2. Snowthrowerandexhaust
1. Check
2. Clean
Followthemaintenanceschedulegivenbelow.Thischartdescribes
serviceguidelinesonly.UsetheServiceLogcolumnto keeptrackof
completedmaintenancetasks.To locate the nearest Sears Service
Centeror to scheduleservice,simplycontactSearsat
1-800-4-MY-HOME@.
= =
area.
1st5 hours 1. Engineoil. 1. Change.
Every5hours 1. Engineoil. 1. Check.
2. Exhaustarea. 2. Clean.
25 hours 1. Sparkplug. 2. Check.
Everyseason/50hours 1. Engineoil 1. Change
Everyseason/lO0hours 1. Sparkplug 1. Clean,replace,re-gap
Everyseason/Before 1. Pivotpoints 1. Lubricate
storage 2. Controlhandle 2. Lubricate
3. Extensionspring 3. Lubricate
ENGINE MAINTENANCE
.
Removetheoildrainplug,Figure8.
f
ine maintenance.
Periodicinspectionandadjustmentoftheengineisessentialifhigh
levelperformanceisto be maintained.Regularmaintenancewillalso
ensurealongservicelife.Therequiredserviceintervalsandthetype
ofmaintenanceto beperformedaredescribedinthe tableabove.
Followthehourlyorcalendarintervals,whicheveroccurfirst. More
frequentserviceis requiredwhenoperatinginadverseconditions.
Changing Engine Oil
Theengineoil shouldbechangedafterthe firstfive hoursof useand
thenoncea seasonor afterevery50 hoursof use.
NOTE:Checktheoil levelbeforeeachuseandaftereveryfivehours
ofoperationtobesurethecorrectoil levelismaintained.Referto
CheckingOilLevelintheOperationSection.
1. Drainfuelfromthetankbyrunningtheengineuntilthefueltankis
empty.Besurethefuelfillcapissecure.
2. Placea suitableoil collectioncontainerundertheoil drainplug.
Figure8
4. Tiptheenginetodrainoilintothecontainer.Usedoil mustbe
disposedofata propercollectioncenter.
5. Reinstallthe drainplugandtightenitsecurely.
6. Refillwiththe recommendedoilandchecktheoil level;referto
AddingOilinthe OperationSectionforinstructions..
7. Reinstallthe oil fillercap/dipsticksecurely.
13
Thoroughlywashyourhandswithsoapandwateras soon as
possibleafterhandlingusedoil.
NOTE:Pleasedisposeofusedmotoroil ina mannerthatis friendlyto
theenvironment.Takeit toa recyclingcenteror othercollectioncenter.
Oil Recommendations
Whenaddingoiltotheengine,refertotheviscositychartbelow
(Figure9). Engineoilcapacityis600 ml (approx.20oz.).Donot
over-fill.Usea4-stroke,or anequivalenthighdetergent,premiumqual-
ity motoroilcertifiedto meetor exceedU.S.automobilemanufacturer's
requirementsfor serviceclassificationSG,SRMotoroilsclassifiedSG,
SFwillshowthisdesicnationonthecontainer.
DONOTusenon-detergentoil or 2-strokeengineoil.itcouldshorten
theengine'sservicelife.
f,
_ Im&lmmwNiwl _ I_L_ _
Removethesparkplugbootand usea sparkplugwrenchto
removetheplug,Figure10.
Spar Plug
©
Spark Plug Boot
Figure10
Visuallyinspectthe sparkplug. Discardthe sparkplugifthereis
anyapparentwear,or if theinsulatoris crackedorchipped.Clean
thesparkplugwitha wirebrushif it isto be reused.
Measurethepluggapwitha feelergauge.Correctasnecessary
bybendingthe sideelectrode,Figure11.Thegap shouldbe setto
.02-.03inches(0.60-0.80ram).
(%-400 -200 0o 200 400
(°c) -30° -20° -10° 0°
Figure9
Spark Plug
cranktheen(inewiththesark__ removed.
Iftheenginehasbeenrunning,themufflerwillbe veryhot.Becareful
notto touchthe muffler.
Thesparkplugshouldbecheckedevery25hoursandchangedonce
a seasonorevery100hours.Toensureproperengineoperation,the
sparkplugmustalsobeproperlygappedandfreeofdeposits.
Electrode
_t===== .02=.03 in.
(0.60-0.80 rnm)
Figure11
14
4. Checkthatthesparkplugwasheris ingoodconditionandthread 3.
thesparkplugin byhandto preventcross-threading.
5. Afterthe sparkplugis seated,tightenwitha sparkplugwrenchto
compressthewasher, f
Loosenthefourlocknutsandboltswhichsecuretheshave
plateto the housing.SeeFigure12.Movetheshaveplatetothe
desiredpositionandretightenthe nutsandboltssecurely.
NOTE:Wheninstallinga newsparkplug,tighten1/2-turnafterthe
sparkplugseatstocompressthewasher.Whenreinstallinga used
sparkplug,tighten1/8-to 1/4-turnafterthe sparkplugseatsto
corn_ressthewasher.
becomever hotandcandamac ine.
Cleaning the Engine
Iftheenginehasbeenrunning,allowit to cool for at leasthalfan hour
beforecleaning.Periodicallyremovedirtbuild-upfromengine.
Donotspraytheenginewithwatertocleanitbecausethewater
couldcontaminatethefuel.Usinga gardenhoseor pressurewashing
Iequipmentcanalsoforcewaterintothemuffleropening.Waterthat
[passesthroughthe muffer can enterthecy nderandcausedamage,j
Accumulationofdebrisaroundthemufflercouldcausea fire.Inspect
andcleanbeforeeveryuse.
LUBRICATION
Lubricatethepivotpointsonthe controlhandleandtheextension
springat the endofthecontrolcablewitha lightoil onceeveryseason
andbeforethesnowthroweris putinto storageattheendof the
season.
ADJUSTMENTS
Shave Plate
Tochecktheadjustmentof theshaveplate,placethe machineona
levelsurface.Thewheels,shaveplateandaugerpaddlesshouldall
contactthelevelsurface.Notethatifthe shaveplateis adjustedtoo
high,snowmayblowundertheaugerhousing.Iftheshaveplatewears
outexcessively,orthesnowthrowerdoesnotself-propel,theshave
platemaybetoolowand needstobe adjusted.
\
\\
Figure12
4. Tipthesnowthrowerbackto theoperatingpositionandpullthe
starterhandlea fewtimestoseeifit isdifficulttopull.
5. Ifthe starterisdifficultto pull,removethesparkplugand pullthe
handleseveraltimestoensurethatanyoil trappedintheheadis
removed.
Oilmaycomeout of the sparkplugholewhenitis removedandthe
starterhandleis pulled.
6. Inspectthesparkplug.If itiswet,cleanoffanyoil before
re-installing.
NOTE:Onnewsnowthrowersor machineswitha newshaveplate
installed,theaugerpaddlesmaybeslightlyoff theground.
Toadjustthe shaveplateproceedasfollows:
1. Runthe snowthroweruntilthe fuel tankisempty.
2. Pullthe startercorduntilresistanceisfelt.Thentipthesnow
throwerbackuntilitrestson thehandles.
15
Control Cable
Asa resultof both thecontrolcableandtheaugerdrivebeltstretching
duetowear,periodicadjustmentsmaybenecessary.Iftheauger
seemsto hesitatewhenrotating,proceedasfollows:
Theupperholeinthe controlhandleprovidesforanadjustmentin
cabletension.Toadjust,disconnecttheendof controlcablefromthe
bottomholein thecontrolhandleand reinsertit intheupperhole.
Insertthe cablefromtheoutsideas shownin Figure13.
Control
Handle
2. Removethe belt bygraspingitfromthebottomof the augerpulley
and pullingoutward.
NOTE:Pushdownontheidlerpulleytoreleasethebeltfromunderthe
beltkeeper.SeeFigure14.
Toreplacethebeltfollowtheseinstructionsand referto Figure15:
/
/
/
/
J
Figure13
Testthesnowthrowerto seeifthereisa noticeabledifference.If
aftertheadjustmenttothecontrolcablethe augerstill hesitateswhen
rotating,seeBeltReplacementforinstructionson replacingthebelt.
Chute Assembly
RefertotheAssemblysectionfor instructionsonadjustingthechute
assembly.
BELT REPLACEMENT
Auger Drive Belt
1. Removethebeltcoverbyremovingthefivehex screwsthat
secureittotheframe.SeeFigure14.
................Belt Keeper
Figure15
1. Pushdownon the idlerpulley.
2. Positionthebelton topof theaugerpulleyandunderthebelt
keeper.
3. Routethebeltaroundtheenginepulley.
4. Pushthebelt overthebottomofthe augerpulley.
5. Reinstallthe belt coverremovedearlier.
Figure14
REPLACING AUGER PADDLES
Thesnowthrowerauger'srubberpaddlesaresubjecttowearand
shouldbereplacedifanysignsof excessiveweararepresent.
DoNOTallowthe auger'srubberpaddlesto wearto the pointwhere
Iportionsof the metalaugeritselfcancomein contactwiththepave-
lment.Doingsocan resultin seriousdamageto yoursnowthrower.
Tochangethe rubberpaddles,proceedasfollows:
1. Removetheexistingrubberpaddlesbyunscrewingthe self-
tappingscrewswhichsecurethemto theauger.SeeFigure16.
/
......." / +,
............i/." k _\I.........
f
Self-Tappir
Figure16
2. Securethereplacementrubberpaddlestotheaugerusingthe
hardwareremovedearlier.
Toobtainafull augerreplacementkitincludingspiralcrescents,
paddlesandself-tappingscrews,callSearsat 1-800-4-MYHOME.
Askforpart#753-04472.
REPLACING SHAVE PLATE
Theshaveplateisattachedtothe bottomoftheaugerhousingand
issubjecttowear.It shouldbe checkedperiodically.Therearetwo
wearingedgesandtheshaveplatecanbe reversed.
1.
Removethefourcarriageboltsandhexlocknutswhichattachit
tothesnowthrowerhousing.
.
Reversetheexistingshaveplateor installa one,makingsurethe
newshaveplateand makingsuretheheadsofthecarriagebolts
areonthe insideofthehousing.
3. Adjusttheshaveplateas instructedonpage15.
4. Tightensecurelyonceadjusted.
Toobtaina newshaveplate,callSearsat 1-800-4-MY-HOME.Askfor
part#731-1033.
17