MTD 31BS32BD799 Owner's manual

Category
Snow throwers
Type
Owner's manual

This manual is also suitable for

perator_s nual
I:RRFrgMRN°
Electric Start
-INCH SNOW THROWER
Model No. 247.881700
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.corn
FormNo.769-08167
(May21,2012)
WarrantyStatement.................... Page2
SafeOperation Practices ................ Page 3
Assembly ............................ Page 7
Operation ........................... Page 11
Maintenance & Service ................. Page 15
Off-Season Storage ................... Page 20
Troubleshooting ...................... Page 21
Parts List ............................ Page 22
Repair Protection Agreement ............ Page 43
Espa_ol ............................. Page 44
Contact Numbers .................. Back Cover
CRAFTSMANTWOYEAR FULLWARRANTY
FORTWOYEARSfromthedateofpurchase,this productiswarrantedagainstanydefectsin materialor workmanship.A defective
productwillreceivefreerepairor replacementif repairisunavailable.
Forwarranty coverage details to obtain freerepairor replacement,visittheweb site: www.craftsman.com
Thiswarranty coversONLYdefects in material andworkmanship. Warrantycoveragedoes NOTinclude:
Expendableitemsthatcanwearoutfromnormalusewithinthewarrantyperiod,includingbutnotlimitedtoaugers,augerpaddles,
driftcutters,skidshoes,shaveplate,shearpins,sparkplug,aircleaner,belts,andoilfilter.
Standardmaintenanceservicing,oilchanges,or tune-ups.
Tirereplacementorrepaircausedbypuncturesfromoutsideobjects,suchasnails,thorns,stumps,or glass.
Tireor wheelreplacementorrepairresultingfromnormalwear,accident,or improperoperationor maintenance.
Repairsnecessarybecauseofoperatorabuse,includingbutnotlimitedtodamagecausedbyover-speedingtheengine,or from
impactingobjectsthat bendtheframe,augershaft,etc.
Repairsnecessarybecauseofoperatornegligence,includingbutnotlimitedto,electricalandmechanicaldamagecausedby
improperstorage,failureto usethepropergradeandamountofengineoil,or failureto maintaintheequipmentaccordingtothe
instructionscontainedintheoperator'smanual.
Engine(fuelsystem)cleaningor repairscausedbyfueldeterminedto becontaminatedor oxidized(stale).Ingeneral,fuelshouldbe
usedwithin30 daysof itspurchasedate.
Normaldeteriorationandwearoftheexteriorfinishes,or productlabelreplacement.
Thiswarrantyisvoidifthisproductiseverusedwhileprovidingcommercialservicesor if rentedtoanotherperson.
Thiswarrantygivesyouspecificlegalrights,andyoumayalsohaveotherrightswhichvaryfromstatetostate.
SearsBrandsManagementCorporation, Hoffman Estates,IL 60179
EngineOilType: 5W-30
EngineOilCapacity: 20ounces
FuelCapacity: 2.3Quarts
SparkPlug: F6RTC(F6TC)
SparkPlugGap: .020"to.030"
ModelNumber.................................................................
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
whileperformingan adjustmentor repairto protectyoureyes.
Thrownobjectswhichricochetcancauseseriousinjurytothe
eyes.
Donotoperatewithoutwearingadequatewinteroutergarments.
Donotwearjewelry,longscarvesorotherlooseclothing,which
couldbecomeentangledin movingparts.Wearfootwearwhich
willimprovefootingonslipperysurfaces.
Usea groundedthree-wireextensioncordand receptacleforall
machineswithelectricstartengines.
Disengageall controlleversbeforestartingtheengine.
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,wipeitofftheengineandequipment.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
suchequipmenton a 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 10secondstobesuretheimpellerbladeshavestopped
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.
. +
i
i
"JIp
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
iMPORTANT:Thisunitis shippedwiththeenginefullofoil.After
assembly,seepage10forfuelandoildetails.
Removing From Carton
1. Cutthecornersofthecartonandlaythesidesflaton theground.
Removeall packinginserts.
2. Movethesnowthroweroutofthecarton.
3. Makecertainthecartonhasbeencompletelyemptiedbefore
discardingit.
DO NOTliftthe snowthrowerbythechutehandle.
Before Assembly
NOTE:Referenceto right,left,frontor rearoftheunitisfromthe
operatingposition,facingforward,unlessotherwisestated.
Setting Up The Handle
NOTE: Beawareofthethreelooselyfittedcabletiesattachedtothe
lowerhandlethatwillbeutilizedlatertosecurethecables.
1. Loosenand removethewingknob,saddlewasher,handletaband
carriagescrewoneachsideofthelowerhandle.SeeFigure1.
2. Slidethe looselyfittedcabletiefromtherightsideofthe lower
handleupto thecrossmemberofthelowerhandle.Leavethe
secondcabletieinplaceonthe rightsideofthelowerhandle.See
Figure3 forreference.
iMPORTANT: itwillbenecessaryto lifttheupperhandlewhile
slidingupthiscabletieto preventdamagetothecable.
3. Lifttheupperhandleupandpositionit overthelowerhandle,
aligningthe holeswherethewingknobswereremoved(1).See
Figure2.
Becarefulnottobendor kinkthecables.
4. Inserta carriagescrewfromtheoutsidethrougha handletab,the
upperand lowerhandles,a saddlewasherandintothewingknob
(2). Repeatontheotherside.
5. Tightenthewingknobsoneachsideofthehandle.RefertoFigure
2.
NOTE:Theaugercableroutesdowntheleft lowerhandleandthe
drivecableisroutedacrossthetopofthelowerhandleanddownthe
rightsideofthelowerhandle.SeeFigure3.
6. Twocabletieshavebeenusedtolooselytiethecontrolcablesto
thelowerhandle.A pushclipisalsoincludedon thelowerdrive
cable.Positioncabletiesnow,as inFig.3,andtightento secure
cablestothelowerhandle.Trimoff excessmaterialofcableties.
Installthepushclipintotheholeinthehandleprovidedasshownin
theleftinsetinFigure3.
Figure 1
Figure 2
Drive Cable
/
Auger Cable
Push Cli
Figure 3
7
Skid Shoe
Thesnowthrowerskidshoesareadjustedupwardat thefactory
forshippingpurposes.Adjustthemdownward,ifdesired,priorto
operatingthesnowthrower.
It isnotrecommendedthatyouoperatethis snowthrowerongravel
as itcaneasilypickup andthrowloosegravel,causingpersonal
injuryordamagetothesnowthrowerand surroundingproperty.
Forclosesnowremovalona smoothsurface,raiseskidshoes
higherontheaugerhousingtolowershaveplate.
Whentheareatobeclearedisuneven,suchasa graveldriveway,
lowerskidshoeson theaugerhousingtoraisetheshaveplate.
NOTE:Ifyouchoosetooperatethesnowthrowerona gravelsurface,
keeptheskidshoesin lowestpositionformaximumclearance
betweenthegroundandtheshaveplate.
Operatinga snowthrowerequippedwithsteelskidshoesmay
resultindamagetonaturalstonepavedsurfaces(e.g.sandstone,
bluestone,limestone).Forinformationonavailablepolymerskid
shoes,call1-800-4MY-HOME.
Clean-Out Tool
Thechuteclean-outtoolisfastenedtothetopoftheaugerhousingwitha
mountingclipandacabletieatthefactory.Cutthecabletiebeforeoperating
thesnowthrower.SeeFigure5.
ChuteClean-outTool
Figure 5
To adjust the skid shoes:
1. Loosenthefourhexnuts(twooneachside)andcarriagebolts.
Moveskidshoestodesiredposition.See Figure4.
/
/
//
0! i
Tire Pressure
Theproperinflationpressureisbetween15psiand20psi.Checkthetire
pressureperiodicallyandmaintainequalpressurein bothtiresatall
times.Excessivepressure(above20 psi)maycausethewheel(tire/
rim)assemblytoburstwithsufficientforcetocauseseriousinjury.Do
notover-inflatethetire.Usea manualpumpor portableelectrictire
inflatorto preventover-inflation.NEVERUSEANAIRCOMPRESSOR.
Over-inflatingthetirewithexcessivepressure(above20psi)may
causethetire/rimto burstwithsufficientforcetocauseseriousinjury.
Figure 4
2. Makecertaintheentirebottomsurfaceof skidshoeisagainstthe
groundtoavoidunevenwearontheskidshoes.
3. Retightennutsandboltssecurely.
Shear Pins
A pairof replacementaugershearpinsandbow
tiecotterpinsare includedwithyoursnowthrower.
Storethemina safeplaceuntilneeded.
8
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.Donot
smokeor allowflamesorsparksintheareawheretheengineis
refueledor wheregasolineisstored.
* Donotoverfillthefueltank.Afterrefueling,makesurethetank
capisclosedproperlyandsecurely.
* Becarefulnottospillfuelwhenrefueling.Spilledfuelor fuelvapor
mayignite.Ifanyfuelisspilled,makesuretheareaisdrybefore
startingtheengine.
* Avoidrepeatedor prolongedcontactwithskinor breathingof
vapor.
Adding Fuel
Useextremecarewhenhandlinggasoline.Gasolineisextremely
flammableandthevaporsareexplosive.Neverfuelthemachine
indoorsorwhiletheengineishotor running.Extinguishcigarettes,
cigars,pipesandothersourcesofignition.
Alwayskeephandsandfeetclearofequipmentmovingparts.Donot
usea pressurizedstartingfluid.Vaporsareflammable.
1. Cleanaroundfuel fillbeforeremovingcaptofuel.
2. A fuellevelindicatorislocatedinthefuel tank. Filltankuntilfuel
reachesthe fuellevel indictor,Figure6.Becarefulnottooverfill.
FuelLevelIndicator
TopView
Checking Oil Level
Theengineisshippedwithoil in theengine.Youmust,however,
checktheoil levelpriortooperatingthesnowthrower.Runningthe
enginewithinsufficientoil cancauseseriousenginedamageand
voidtheenginewarranty.
NOTE: Besuretocheckthe engineon alevelsurfacewiththe engine
stopped.
1. Removetheoil fillercap/dipstickand wipethe dipstickclean.See
Figure7.
f-
)
_,., J
Figure7
2. Insertthe cap/dipstickintothe oilfillerneck,turnthecap 1/4turnuntil
fully seated.
NOTE:Onsomeengines,athreadedcap/dipstickmayexist insteadof
a 1/4turncapas describedabove.Inthisinstancedo notfullytighten
the captochecktheoil level.Simplyrestthe caponthe threadsto
checkfor properoil level.
3. Removetheoil fillercap/dipstick.Ifthe levelis low,slowlyaddoiluntil
oil levelregistersbetweenhigh(H) andlow(L), Figure7. Referto the
EngineMaintenancesectionfor correctoil viscosityandengineoil
capacity.
NOTE:Do notoverfill.Overfillingwith oil mayresultin enginesmoking,
hardstartingor sparkplugfouling.
4. Replaceandtightencap/dipstickfirmlybeforestartingengine.
Figure6
9
Discharge Chute
1. Loosenthewingknobon theupperchute,adjustchuteand chute
controltodesiredoperatingposition.
2. Tightenthewingknobontheupperchutemakingsurethecarriage
boltiscorrectlypositioned.Referto Figure8.
Auger Control Test
iMPORTANT:Performthefollowingtestbeforeoperatingthesnow
throwerforthefirsttimeandatthestartof eachwinterseason.
Checktheadjustmentof theaugercontrolasfollows:
1. Whenaugercontrolisreleasedandinthedisengaged"up"posi-
tion,cableshouldhaveverylittleslack,butshouldNOTbetight.
Figure8
J
Donotover-tightenthecable.Over-tighteningmaypreventtheauger
fromdisengagingandcompromisethesafetyofthesnowthrower.
2. Inawell-ventilatedarea,startthesnowthrowerengineas
instructedon page10undertheheadingStartingEngine.Make
thethrottleisset intheFAST
sure
position.
3. Whilestandingin operator'sposition(behindunit)engageauger.
4. Allowaugerto remainengagedforapproximatelyten(10)
secondsbeforereleasingtheaugercontrol.Repeatthis several
times.
5. Withtheenginerunninginthe FAST_ positionand the
auger
controlinthedisengaged"up"position,walktothefrontofthe
machine.
6. Confirmthattheaugerhascompletelystoppedrotatingand
showsNOsignsofmotion
7. iftheaugershowsANYsignsof rotating,immediatelyreturnto
theoperator'spositionandshutofftheengine.Waitforallmoving
partsto stopbeforereadjustingtheaugercontrol.
8. Loosentherearhexbolton thecableadjustmentbracket. See
Figure9.
f Adjustment "
Bracket
Auger Housing
Screws
Figure9
9. Slidethecableadjustmentbracketbackwardstakingup theslack
intheaugercable.
10. Retightentherearhexbolt
11. Repeatsteps2-6abovetoverifyproperadjustmenthasbeen
achieved.
10
Upper Handle
Drive
AugerControl Control
UpperChute
ChuteAssembl
Clean-out Tool
Auger
ShavePlate
ChuteKnob
_- SkidShoe
FuelCap
RecoilStarter
Handle
Oil Drain Electric StarterOutlet
Befamiliarwithallthecontrolson thesnowthrowerandtheirproperoperation.Knowhowto stopthemachineanddisengagethemquickly.
Snowthrowercontrolsandfeaturesare describedbelowandillustrated
in thefigureabove.
Drive Control
Locatedon theundersideof theupperhandle,thedrivecontrolis used
toengage/disengagewheels.Squeezethedrivecontrolagainstthe
upperhandletoengagethewheels;releasetodisengage.
Auger Control
Theaugercontrolison thefronttheupperhandle.Squeezetheauger
controlagainsttheupperhandletoengagetheauger;releaseto
disengagetheauger.
Nevermakeadjustmentstothechuteassemblyunlessbothaugerand
drivecontrolsaredisengagedandtheoperatorisstandingbesidetheunit.
IMPORTANT:RefertoAugerControlTestintheAssemblysectionof
thismanualpriortooperatingyoursnowthrower.Readandfollowall
instructionscarefullyandperformall adjustmentstoverifyyoursnow
throwerisoperatingsafelyandproperly.
Chute Handle
Thedirectionof snowthrowingcorrespondstothedirectionofthe
chuteopening.Usethechutehandletoturnthechuteassemblyinthe
directionyouwishtothrowthesnow.
Chute Knob
Thedistancesnowisthrowncanbe adjustedbyeitherraisingor
loweringtheupperchute.Loosenthechuteknobonthesideofthe
upperchutetoadjust.Pivottheupperchutetodesiredposition,and
retightenthechuteknob.Raisingthechutethrowsthe snowfurther.
Shave Plate
Theshaveplatemaintainscontactwithpavementasthesnow
throwerispropelled,allowingsnowclosetopavement'ssurfacetobe
discharged.
Skid Shoe
Thespacebetweentheshaveplateandthegroundcanbe adjusted.
Forclosesnowremoval,placeskidshoesin thehighestposition.Use
middleor lowestpositionwhenareatobeclearedisunevenor on
gravelsurfaces.
11
Auger
Whenengaged,theaugerrotatesanddrawssnowintotheauger
housing.
Chute Assembly
Snowdrawnintotheaugerhousingisdischargedoutthechute
assembly.
Choke Control
Thechokecontrolaidsinstartingtheengine.For
informationonchokeusage,seeStartingThe
Enginelaterinthis section.
Recoil Starter & Starter Handle
Thismotorisfittedwitha recoilactionpullstartand
a mittengrip handleforeasyaccesswhilewearingglovesor mittens.
Key
Thekeyisa safetydevice.It mustbefully inserted
inorderfortheenginetostart.Removethe key
whenthesnowthrowerisnotin use.
NOTE:Donotturnthekeyinanattemptto start
theengine.Doingsomaycauseittobreak.
Electric Starter Button
Pressingtheelectricstarterbuttonengagestheengine'selectric
starterwhenpluggedintoa 120Vpowersource.
Clean=Out Tool
Neveruseyourhandstoclearacloggedchuteassembly.Shutoff
engineandremainbehindhandlesuntilall movingpartshavestopped
beforeusingtheclean-outtooltoclearthechuteassembly.
Thechuteclean-outtoolisconvenientlyfastenedtotherearofthe
augerhousingwitha mountingclip.Shouldsnowandicebecome
I j _ lodgedinthechuteassemblyduringoperation,proceedasfollowsto
I
safelycleanthechuteassemblyand chuteopening:
1. ReleaseboththeAugerControlandthe DriveControl.
2. Stoptheenginebyremovingthekey.
3. Removetheclean-outtoolfromtheclipwhichsecuresittothe
rearoftheaugerhousing.
4. Usetheshovel-shapedendoftheclean-outtooltodislodgeand
scoopanysnowandicewhichhasformedinand nearthechute
(_ assembly.
| 5. Refastentheclean-outtooltothe mountingclipon therearof
theaugerhousing,reinsertthekeyandstartthesnowthrower's
engine.
0 6. Whilestandingintheoperator'sposition(behindthesnow
thrower),engagetheaugercontrolfora fewsecondstoclearany
remainingsnowand icefromthechuteassembly.
Before Starting Engine
Electric Starter Outlet
Requirestheuseofa three-prongoutdoorextensioncord(included)
anda 120Vpowersource/walloutlet.
Primer
Pressingtheprimerforcesfueldirectlyinto
engine'scarburetortoaid incold-weatherstarting.
Refertothestartinginstructionsinthe Operation
sectionofthismanualforproperprimerusage.The
imageto therightcorrespondswiththelabelon the
engineidentifyingtheprimer.
Oil Fill
Removeoil captoaddoil. RefertotheMaintenance& Servicesection
forcheckingandaddingoil instructions.
Gasoline Cap
Removegascaptoaddfuel.Unitrunson regulargas.
NOTE:Thisunitmayincludea fuelplug,whichisonlyusedduring
assemblytokeepdirtanddebrisoutoffueltank. Discardthefuelplug
beforefillingthefueltank.
Throttle Control
Read,understand,andfollowall instructionsandwarningsonthe
machineandinthis manualbeforeoperating.
Check Engine Oil
Theunitwasshippedwithoilin theengine.Checkoil levelbeforeeach
operationtoensureadequateoil intheengine.Forfurtherinstructions,
refertothe Maintenance& Servicesectionofthis manual.
NOTE:Besuretochecktheengineona levelsurfacewiththeengine
stopped.
1. Removetheoilfillercap/dipstickandwipethedipstickclean.
2. Insertthecap/dipstickintotheoil fillerneck,turnthecap 1/4turn
untilfullyseated.
.
NOTE:Onsomeengines,a threadedcap/dipstickmayexist
insteadofa 1/4turncapasdescribedabove.Inthis instancedo
notfullytightenthecaptochecktheoil level.Simplyrestthecap
on thethreadstocheckfor properoil level.
Removetheoilfillercap/dipstick.If thelevelis low,slowlyadd
oil (5W-30,witha minimumclassificationofSF/SG)untiloil level
registersbetweenhigh(H)andlow(L).
NOTE:Donotoverfill.Overfillingwithoil mayresultinenginesmoking,
hardstartingor sparkplugfouling.
4. Replaceandtightencap/dipstickfirmlybeforestartingengine.
Thethrottlecontrolis locatedon theengine.It regulatesthespeedof
theengineandwillshutoff theenginewhenplacedintheStop0
position.
12
Gasoline
Useautomotivegasoline(unleadedor lowleadedtominimizecombus-
tionchamberdeposits)witha minimumof87octane.Gasolinewith
upto 10%ethanolor 15%MTBE(MethylTertiaryButylEther)canbe
used.Neveruseanoil/gasolinemixtureor dirtygasoline.Avoidgetting
dirt,dust,or waterinthefueltank.DONOTuseE85gasoline.
Refuelina well-ventilatedareawiththeenginestopped.Donot
smokeor allowflamesor sparksintheareawheretheengineis
refueledorwheregasolineisstored.
Donotoverfillthefueltank.Afterrefueling,makesurethetank
capisclosedproperlyand securely.
Becarefulnottospillfuelwhenrefueling.Spilledfuelor fuelvapor
mayignite.Ifanyfuelisspilled,makesuretheareaisdrybefore
startingtheengine.
Avoidrepeatedor prolongedcontactwithskinor breathingof
vapor.
Useextremecarewhenhandlinggasoline.Gasolineisextremely
flammableandthevaporsareexplosive.Neverfuelthemachine
indoorsor whiletheengineishotor running.Extinguishcigarettes,
cigars,pipesand othersourcesofignition.
.
Cleanaroundfuelfillbeforeremovingcapto fueltoavoiddirtand
debrisfallingintofueltank.
A fuellevelindicatorislocatedinthefueltank.Filltankuntilfuel
reachesthefuellevelindictor.SeeFigure10inset.Becarefulnot
tooverfill.
Starting The Engine
Determinethatyourhome'swiringisa three-wiregroundedsystem.
Aska licensedelectricianifyouare notcertain.
Ifyouhavea groundedthree-prongreceptacle,proceedasfollows.
Ifyoudonothavetheproperhousewiring,DONOTusetheelectric
starterunderanyconditions.
1. Plugtheextensioncordintotheoutletlocatedontheengine's
surface.Plugtheotherendofextensioncordintoa three-prong
120-volt,grounded,ACoutletina well-ventilatedarea.
2. Movethrottlecontrolto FAST(rabbit),_ position.
3. MovechokecontroltotheCHOKEposition I,,"1(co dengine
start).Ifengineis warm,placechokecontrolinRUNposition.
4. Pushprimerthree(3) times,makingsuretocoverventholewhen
pushing.If engineiswarm,pushprimeronlyonce.Alwayscover
ventholewhenpushing.Coolweathermayrequireprimingto be
repeated.
5. Pushand holdstarterbuttondownto startengine.Oncethe
enginestarts,immediatelyreleasestarterbutton.Electric
starterisequippedwiththermaloverloadprotection;systemwill
temporarilyshutdowntoallowstartertocoolifelectricstarter
becomesoverloaded.
6. Astheenginewarms,slowlyrotatethechokecontrolto RUN
position.Iftheenginefalters,restartengineand runwithchoke
controlat half-chokepositionfora shortperiodoftime,andthen
slowlyrotatethechokeintoRUNposition.
7. Afterengineisrunning,disconnectpowercordfromelectric
starter.Whendisconnecting,alwaysunplugtheendatthewall
outletbeforeunpluggingtheoppositeendfromtheengine.
Recoil Starter
Alwayskeephandsand feetclearofmovingparts.Donotusea
pressurizedstartingfluid.Vaporsareflammable.
NOTE:Forlocationofalltheenginecontrolsreferredto inthis section,
refertoFigure9 on page12.
NOTE:Allowtheenginetowarmupfora fewminutesafterstarting.
Theenginewillnotdevelopfullpoweruntilitreachesoperating
temperatures.
1. Makecertainboththeaugercontrolanddrivecontrolare inthe
disengaged(released)position.
2. insertkeyintoslot.Makesureit snapsintoplace.Donotattempt
toturnthekey.
NOTE:Theenginecannotstartwithoutthekeyfullyinsertedintothe
switch.
Electric Starter
Theoptionalelectricstarterisequippedwitha groundedthree-wire
powercordandplug,andisdesignedtooperateon 120volt AC
householdcurrent.It mustbeusedwitha properlygroundedthree-
prongreceptacleatalltimestoavoidthepossibilityofelectricshock.
Followallinstructionscarefullypriortooperatingtheelectricstarter.
DONOTuseelectricstarterintherain.
Donotpullthestarterhandlewhiletheenginerunning.
1. Movethrottlecontrolto FAST(rabbit)_ position.
2. MovechokecontroltotheCHOKEposition I.,,¢1(coldengine
start).Ifengineiswarm,placechokecontrolinRUNposition.
3. Pushprimerthree(3) times,makingsuretocoverventholewhen
pushing.If engineiswarm,pushprimeronlyonce.Alwayscover
ventholewhenpushing.Coolweathermayrequireprimingto be
repeated.
4. Pullgentlyonthestarterhandleuntilit beginsto resist,thenpull
quicklyandforcefullytoovercomethecompression.Engineshould
start.Donotreleasethehandleandallowit tosnapback.Return
ropeSLOWLYtooriginalposition.If required,repeatthis step.
5. Astheenginewarms,slowlyrotatethechokecontrolto RUNposi-
tion. Iftheenginefalters,restartengineand runwithchokecontrol
at half-chokepositionfora shortperiodoftime,andthenslowly
rotatethechokeintoRUNposition.
Toavoidunsupervisedengineoperation,neverleavethemachine
unattendedwiththeenginerunning.Turntheengineoff afteruseand
removeignitionkey.
13
Stopping The Engine
Runenginefora fewminutesbeforestoppingtohelpdryoff any
moistureontheengine.
1. MovethrottlecontroltoSTOP position.
2. Removethe key.Removingthekeywillreducethepossibilityof
unauthorizedstartingoftheenginewhileequipmentisnotinuse.
Keepthekeyina safeplace.Theenginecannotstartwithoutthe
key.
3. Wipeanymoistureawayfromthecontrolson theengine..
To Stop The Snow Thrower
1. Tostopthewheels,releasethedrivecontrol.
2. Tostopthrowingsnow,releasetheaugercontrol.
3. Tostopengine,movethrottlecontrollevertoOFF 0 andpullout
thekey.Donotturnkey.
Thetemperatureofmufflerandthe surroundingareasmayexceed
1500F.Avoidtheseareas.
Using Snow Thrower to Clear
Snow
CAUTION:Checktheareatobe clearedforforeignobjects.Remove
foreignobjects,if any.
1. Starttheenginefollowingstartinginstructions.
2. Allowtheenginetowarmup fora fewminutesastheenginewillnot
developfullpoweruntilitreachesoperatingtemperature.
3. Rotatethechuteassemblytothedesireddirection,awayfrom
bystandersand/orbuildings.
4. Makingcertainno bystandersor obstaclesare infrontoftheunit,
squeezetheaugercontrolcompletelyagainsttheupperhandleto
fullyengagetheauger.
5. Whiletheaugercontrolisengaged,squeezethedrivecontrol
completelyagainsttheupperhandletoengagethewheels.Donot
"feather"thedrivecontrol.
6. Asthesnowthrowerstartstomove,maintaina firmholdonthe
handle,andguidethesnowthroweralongthepathto becleared.
7. Releasetheaugeranddrivecontrolstostopthesnowthrowing
actionandforwardmotion.
NOTE:Yourunitisequippedwithaclutchinthetransmission.If the
wheelsstopturningwhiletryingtodischargelargevolumesofsnow,
immediatelydisengagethedrivecontrolandallowtherotatingauger
todischargesnowfromthehousing.Reducetheclearingwidthand
continueoperation.
8. Oneachsucceedingpass,readjustthechuteassemblytothe
desiredpositionandslightlyoverlapthepreviouslyclearedpath.
Positioning Discharge Chute
Loosenthechuteknobandpivotupperchutetodesiredposition.Tighten
thechuteknobmakingsurethecarriageboltiscorrectlypositioned.
Raisingthechutethrowssnowfurther.
Rotatechutehandletodesiredoperatingposition.
Donotliftthesnowthroweratanytimebythechutehandle.
Operating Tips
1. Formostdficientsnowremoval,removesnowimmediatelyafteritfalls.
2. Dischargesnowdownwindwheneverpossible.Slightlyoverlap
eachpreviouspath.
3. Settheskidshoes1/4"belowthe shaveplatefornormalusage.
Theskidshoesmaybeadjustedupwardforhard-packedsnow.
NOTE:It isnotrecommendedthatyouoperatethis snowthroweron
gravelasloosegravelcanbeeasilypickedupandthrownbytheauger
causingpersonalinjuryand/ordamagetothesnowthrower.
4. Ifyouchoosetooperatethesnowthrowerongravel,keeptheskid
shoeinthelowestpositionfor maximumclearancebetweenthe
groundandtheshaveplate.
5. Cleanthesnowthrowerthoroughlyaftereachuse.
REPLACING SHEAR PINS
Theaugeris securedtothespiralshaftwithtwo shearpinsandbow-
tieclips.Iftheaugershouldstrikea foreignobjector icejam,thesnow
throwerisdesignedsothattheshearpinsmayshear.Ifaugerwillnot
turn,checktoseeifthepinshavesheared.SeeFigure10.
NEVERreplacetheaugershearpinswithanythingotherthanOEM
PartNo.738-04124replacementshearpins.SeePartsListinthis
Operator'sManual.Anydamagetothesnowthrowerasa resultof
failingtodo sowill NOTbecoveredbyyoursnowthrower'swarranty.
Alwaysturnoffthesnowthrower'sengineand removethekeypriorto
replacingshearpins.
f -,
f9
/
14
J
Figure10
Beforeservicing,repairing,lubricatingorinspecting,disengageallcon-
trolsandstopengine.Waituntilallmovingpartshavecometoacomplete
stop.Removethekeytopreventunintendedstarting.Alwayswearsafety
glassesduringoperationorwhileperforminganyadjustmentsorrepairs.
Followthemaintenanceschedulegivenbelow.Thischartdescribes
serviceguidelinesonly.UsetheServiceLogcolumntokeeptrack
ofcompletedmaintenancetasks.Tolocatethe nearest Sears
Service Centeror to scheduleservice,simplycontactSearsat
1-800-4-MY-HOME®.
Maintenance Schedule
EachUseandevery5
hours
1st5 hours
Annuallyor 25hours
1. Engineoillevel
2. Looseormissinghardware
3. Unitandengine.
1. Engineoil
1. Sparkplug
2. Controllinkagesand pivots
3. Wheels
4. GearshaftandAugershaft
1. Engineoil
1. Sparkplug
Annuallyor 50hours
Annuallyor 100hours
BeforeStorage 1. Fuelsystem 1.
1. Check
2. Tightenor replace
3. Clean
1. Change
1. Check
2. Lubewithlightoil
3. Lubewithmultipurposeautogrease
4. Lubewithlightoil
1. Change
1. Clean,adjustgap,or replaceif
necessary
Runengineuntilit stopsfromlack
offuel
f
ENGINE MAINTENANCE
Checking Engine Oil
Beforelubricating,repairing,or inspecting,disengageall controls
Iandstopengine.Waituntilall movingpartshavecometo a complete
_stop.
NOTE: Checktheoil levelbeforeeachuseandaftereveryfivehours
ofoperationtobesurecorrectoil levelismaintained.
Whenaddingoiltotheengine,referto viscositychart below.Engine
oilcapacityis 600ml(approx.20 oz.).Donotover-fill.Usea 4-stroke,
oran equivalenthighdetergent,premiumqualitymotoroilcertified
tomeetorexceedU.S.automobilemanufacturer'srequirementsfor
serviceclassificationSG,SRMotoroilsclassifiedSG,SFwillshow
thisdesignationonthecontainer.
1. Removetheoil fillercap/dipstickandwipethedipstickclean.
2. Insertthecap/dipstickintotheoilfillerneck,turnthecap1/4turn
untilfullyseated.
NOTE:On someengines,athreadedcap/dipstickmayexist
insteadofa 1/4turncapasdescribedabove.Inthisinstancedo
notfullytightenthecaptochecktheoil level.Simplyrestthecap
onthethreadstocheckforproperoil level.
3. Removetheoil fillercap/dipstick.Iflevelislow,slowlyadd oiluntil
oil levelregistersbetweenhigh(H)andlow(L).SeeFigure11.
4. Replaceandtightencap/dipstickfirmlybeforestartingengine.
j
Figure11
Changing Engine Oil
NOTE:Changetheengineoil afterthefirst5 hoursofoperationand
oncea seasonor every50 hoursthereafter.
1. Drainfuelfromtankbyrunningengineuntilthefueltankisempty.
Besurefuelfillcapis secure.
2. Placesuitableoil collectioncontainerunderoil drainplug.
3. Removeoil drainplug.SeeFigure12.
4. Tipenginetodrainoil intothecontainer.Usedoil mustbe
disposedofata propercollectioncenter
15
f
Usedoil isa hazardouswasteproduct.Disposeof usedoil properly.
Donotdiscardwith householdwaste.Checkwithyourlocalauthori-
tiesor SearsServiceCenterforsafedisposal/recyclingfacilities.
.
6.
Reinstallthedrainplugandtightenit securely.
Refillwiththerecommendedoil andchecktheoil level.See
RecommendedOil Usagechart.Theengine'soilcapacityis20
ounces.
i i
(%-400 -200 0o 200 400
("c) -30° -20° -10° 0°
Oil Drain
Plug
Figure12
.J
DONOTusenon-detergentoil or 2-strokeengineoil.Itcouldshorten
theengine'sservicelife.
7. Reinstalltheoilfillercap/dipsticksecurely.
Thoroughlywashyourhandswithsoapandwaterassoonas
possibleafterhandling usedoil.
Checking Spark Plug
DONOTcheckforsparkwithsparkplugremoved.DONOTcrank
enginewithsparkplugremoved.
Iftheenginehasbeenrunning,themufflerwillbevery hot.Becareful
nottotouchthemuffler.
NOTE: Checkthesparkplugoncea seasonorevery25hoursof
operation.Changethesparkplugoncea seasonor every100hours.
Toensureproperengineoperation,thesparkplugmustbe properly
gappedandfreeofdeposits.
1. Removethesparkplugbootandusea sparkplugwrenchto
removetheplug.See Figure13.
2. Visuallyinspectthesparkplug.Discardthesparkplugifthereis
apparentwear,orifthe insulatoriscrackedor chipped.Cleanthe
sparkplugwitha wirebrushifitisto be reused.
3. Measurethepluggapwitha feelergauge.Correctas necessary
bybendingsideelectrode.SeeFigure14.Thegapshouldbeset
to.02-.03inches(0.60-0.80ram).
4. Checkthatthe sparkplugwasherisingoodconditionandthread
thesparkplugin byhandtopreventcross-threading.
5. Afterthesparkplugisseated,tightenwitha sparkplugwrenchto
compressthewasher.
SparkPlug
SparkPlug Boot
Figure13
Electrode
___,. ,___ .02-.03in.
(0.60-0.80ram)
Figure14
16
NOTE:Wheninstallinga newsparkplug,tighten1/2-turnafterthe
sparkplugseatstocompressthewasher.Whenreinstallinga used
sparkplug,tighten1/81to 1/41turnafterthesparkplugseatsto
compressthewasher.GeneralRecommendations
1. Alwaysobservesafetyruleswhenperforminganymaintenance.
2. Thewarrantyon thissnowthrowerdoesnotcoveritemsthathave
beensubjectedtooperatorabuseor negligence.Toreceivefull
valuefromthewarranty,operatormustmaintainthe snowthrower
asinstructedin thismanual.
3. Periodicallycheckall fastenersand hardwaretomakesurethese
aretight.
Replacing the Shave Plate and
Skid Shoes
Theshaveplateand skidshoesonthebottomofthesnowthrowerare
subjecttowear.Theseshouldbe checkedperiodicallyandreplaced
whennecessary
1. Toreplace,removetwocarriageboltsandnutssecuringeachskidshoe
totheaugerhousing.SeeFigure15.
f
ShearPin
CotterPin
Carriage Bolt
ShavePlate /
LockNut
SkidShoe
l
/
CarriageBolt /_
LockNut
Figure15
J
Lubrication
Fora viewofthe lubricationpointsonthesnowthrower,seeFigure16.
1. Lubricatepivotpointsontheaugercontrolanddrivecontrolwitha
lightengineoiloncea season.
2. Lubricatetheaugeridlerbracketwitha lightengineoilonceaseason.
Figure16
Engine
Listedbelowaregeneralrecommendationsaboutmaintainingyour
snowthrowerengine.
1. Beforeoperatingsnowthrower,checktheoil level.
2. Changeengineoilafterfirstfivehoursofoperationandevery50
hoursthereafter.
3. Cleansparkplugandresettheelectrodegapto 0.030"at least
oncea seasonor every100hoursofoperation;replaceevery200
hoursofoperation.
.
3.
.
Reassemblenewskidshoeswithhardwarejustremoved.Makesurethe
skidshoesareadjustedtobelevel.
Toremoveshaveplate:Removebothskidshoesandhardware
includingcarriageboltsandnutswhichattachshaveplatetothe
snowthrowerhousing.Forlocationofshaveplate,seeFigure15.
Reassemblenewshaveplate,makingsureheadsofthecarriagebolts
aretotheinsideofthehousing.Reinstallskidshoes.Tightensecurely.
Servicing Auger
Theaugerissecuredto thespiralshaftwithfourshearpinsandcotter
pins.Ifyouhita foreignobjectoricejam,thesnowthrowerisdesigned
sothatthepinsmayshear.RefertoFigure15.
Iftheaugerdoesnotturn,checkifthepinshavesheared.Replace,if
needed,withpropershearpins.RefertothePartsListinthis manual
forthecorrectpartnumber.
IMPORTANT:NEVERreplacetheaugershearpinswithstandardpins
orfasteners.Anydamagetotheaugergearboxor othercomponents,
asa resultofdoingso,willNOTbe coveredbyyoursnowthrower's
warranty.
17
Check V=Belts
Followinstructionsbelowtocheckconditionofdrivebeltsevery50
hoursofoperation.
1. Removetheplasticbeltcoveronthefrontoftheengineby
removingtheself-tappingscrewand pressingtheplastictabsto
releasethebeltcover.
2. Visuallyinspectforfrayed,cracked,orexcessivelywornoutbelts.
Replace,ifnecessary,andfollowinstructionsbelow.
Replacing Belts
NOTE:Therearetwobeltson thissnowthrower:an augerbeltand
drivebelt.itisrecommendedthatbothbeltsbereplacedatthesame
time.
1. Removethesparkplugwirefromsparkplugandgrounditagainst
theenginetopreventaccidentalstarting.
2. Runtheengineuntilthefueltankisdrytopreventgasolineleakage
whenreplacingbelts.
Performbeltmaintenanceoutdoorsassomegasmaypossiblyleak
fromthecarburetor.
3. Removetheself-tappingscrewshownin Figure17,andpressthe
plastictabstoreleasethebeltcover.Pullthebeltcoverupand out
fromaroundtheengineandchuteassembly.Setitasideandsave.
Figure17
Auger Belt
iMPORTANT:Becausegascouldleakfromthecarburetorwhen
servicingaugerbelt,runtheengineuntilthefueltankisdry,asprevi-
ouslyinstructedinReplacingBelts.
1. Tipthesnowthrowerupandforwardsothat itrestsontheauger
housing. RemovethebeltkeeperascalledoutinFigure19.Return
thesnowthrowertoitsuprightpositiontocompletethefollowing
steps.
2. Slipthefrontaugerbeltoffof theenginepulley,pushingitforward
and rollinginoff ofthepulley.SeeFigure18.
idlerBracket
Figure18
Squeezetheaugercontrolhandleto releasetheaugerbrake,
whichisthetabthatholdsthebeltontotheaugerpulley.Remove
thebelt.
4. Replacewithnewbeltafterreplacingthedrivebelt.
18
Drive Belt
NOTE:Replacethedrivebeltbeforereassemblingthenewaugerbelt.
1.Tipthesnowthrowerupandforwardsothat itrestson theauger
housing.
iMPORTANT:Becausegascouldleakfromthecarburetorwhen
servicingaugerbelt,runtheengineuntilthefueltankisdry,asprevi-
ouslyinstructedin ReplacingBelts.
2.Removethespringthatconnectsthetransmissionto aboltonthe
engineframe.SeeFigure19.
NOTE:Itmaybeeasiertofirstremovetheflangelocknut,thenuse
needle-nosedplierstofirmlygripspringandremovefrombolt.
F
Adjusting The Auger Cable
RefertotheAssemblysectionforinstructionson adjustingtheauger
controlcable.
Spring
........ _'*'_:" ...............DriveBelt
BeltKeeper
Figure19
3. Pivotthetransmissionforwardtoreleasepressureon thedrivebelt.
Removebeltfromtransmissionpulley.
4. Removethedrivebeltfromaroundtheenginepulley,andaway
fromtheunit.
5. Placethenewdrivebeltintothegrooveontheenginepulley.See
Figure18.
6. Tiltthetransmissionforwardandpositionthedrivebeltontothe
transmissionpulley.
7. Reconnectthespringto theboltontheengineframeandsecure
thetransmission.Reinstalltheflangelocknut.
8. Installnewaugerbelt.
9. Reassemblethebeltcoveronthesnowthrower.
10.Reassemblethebeltkeepertothehousing.
19
Ifthe snowthrowerwillnotbe usedfor30 daysor longer,or ifit istheendofthesnowseasonwhenthelastpossibilityof snowisgone,the
equipmentneedstobestoredproperly.Followstorageinstructionsbelowtoensuretopperformancefromthesnowthrowerformanymoreyears.
PREPARING ENGINE
Enginesstoredover30daysneedtobedrainedoffueltoprevent
deteriorationandgumfromforminginfuelsystemor onessential
carburetorparts.If thegasolineinyourenginedeterioratesduring
storage,youmayneedto havethecarburetor,andotherfuelsystem
components,servicedor replaced.
1. Removeall fuelfromtank byrunningengineuntilitstops.Donot
attempttopourfuelfromtheengine.
2. Changetheengineoil.
3. Removesparkplugandpourapproximately1oz.(30 rnl)ofclean
engineoil intothecylinder.Pullthe recoilstarterseveraltimesto
distributetheoil,andreinstallthesparkplug.
4. Cleandebrisfromaroundengine,andunder,around,andbehind
muffler.Applya lightfilmofoilon anyareasthatare susceptible
torust.
Storeina clean,dry andwellventilatedareaawayfromanyap-
pliancethatoperateswithaflameor pilotlight,suchasa furnace,
waterheater,or clothesdryer.Avoidanyareawitha spark
producingelectricmotor,or wherepowertoolsareoperated.
Neverstoresnowthrowerwithfuelintank indoorsor inpoorlyventi-
latedareas,wherefuelfumesmayreachan openflame,sparkor pilol
lightasona furnace,waterheater,clothesdryerorgasappliance.
If possible,avoidstorageareaswithhighhumidity.
Keeptheenginelevelin storage.Tiltingcancausefueloroil
leakage.
PREPARING SNOW THROWER
Whenstoringthesnowthrowerin anunventilatedormetalstor-
age shed,careshouldbetakentorustprooftheequipment.Using
a lightoilor silicone,coattheequipment,especiallyanychains,
springs,bearingsandcables.
Removealldirt fromexteriorofengineandequipment.
Followlubricationrecommendations.
Storeequipmentin a clean,dryarea.
Inflatethetirestothe maximumPSi.Referto tiresidewall.
2O
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MTD 31BS32BD799 Owner's manual

Category
Snow throwers
Type
Owner's manual
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