Craftsman 247887040 Owner’s Manual

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
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
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