MTD 31BS32BD799 Owner's manual

Brand: MTD

Model: 31BS32BD799

Category: Snow throwers

Type: Owner's manual

This manual is also suitable for

247881700

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

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.

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.

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.

. +

"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

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

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

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.

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.

)

_,., 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

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

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.

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.

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

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.

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.

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 -,

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

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.

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

Usedoil isa hazardouswasteproduct.Disposeof usedoil properly.

Donotdiscardwith householdwaste.Checkwithyourlocalauthori-

tiesor SearsServiceCenterforsafedisposal/recyclingfacilities.

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

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

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.

ShearPin

CotterPin

Carriage Bolt

ShavePlate /

LockNut

SkidShoe

CarriageBolt /_

LockNut

Figure15

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.

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.

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.

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.

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.

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.

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MTD 31BS32BD799 Owner's manual

Brand: MTD

Model: 31BS32BD799

Category: Snow throwers

Type: Owner's manual

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