MTD 31BH95SI799 Owner’s Manual
perator's nual
I:RRFrSMAN+
Electric Start
SNOW THROWER
Model No. 247.883970
CX
IES
,, SAFETY
o ASSEMBLY
OPERATION
MAINTENANCE
CAUTION" Before using this product,
read this manual and follow all safety
rules and operating instructions.
Sears Brands Management Corporation, Hoffman Estates, IL 60179, U.S.A.
Visit our website: www.craftsman.com
PARTS LIST
o ESPANOL
Form No.769-08168
(June 15,2012)
Warranty Statement .................................. Page 2
Safe Operation Practices .......................... Page 3
Safety Labels ............................................ Page 7
Assembly .................................................. Page 8
Operation .................................................. Page 13
Service and Maintenance ......................... Page 18
Off-Season Storage .................................. Page 26
Troubleshooting ........................................ Page 27
Parts List ................................................... Page 28
Repair Protection Agreement ................... Page 47
Espafiol ..................................................... Page 48
Service Numbers ...................................... Back Cover
CRAFTSMANCXTWOYEARFULLWARRANTY
FORTWOYEARSfromthe dateofpurchase,thisproductiswarrantedagainstanydefectsin materialor workmanship.A defective
productwillreceivefree repairorreplacementif repairisunavailable.
Forwarranty coveragedetails to obtain free repairor replacement,visitthe website: www.craftsman.com
Thiswarranty coversONLYdefects in materialandworkmanship. Warranty coveragedoes NOTinclude:
• Expendableitemsthatcan wearoutfromnormalusewithinthewarrantyperiod,includingbutnotlimitedtoaugers,augerpaddles,
driftcutters,skidshoes,shaveplate,shearpins,sparkplug,aircleaner,belts,andoil filter.
• Standardmaintenanceservicing,oilchanges,or tune-ups.
• Tirereplacementor repaircausedby puncturesfromoutsideobjects,suchasnails,thorns,stumps,orglass.
• Tireor wheelreplacementor repairresultingfromnormalwear,accident,orimproperoperationormaintenance.
• Repairsnecessarybecauseofoperatorabuse,includingbutnotlimitedto damagecausedbyover-speedingtheengine,orfrom
impactingobjectsthatbendthe frame,augershaft,etc.
• Repairsnecessarybecauseofoperatornegligence,includingbutnotlimitedto,electricaland mechanicaldamagecausedby
improperstorage,failureto usethepropergradeandamountof engineoil,or failureto maintaintheequipmentaccordingtothe
instructionscontainedintheoperator'smanual.
• Engine(fuelsystem)cleaningorrepairscausedbyfuel determinedtobecontaminatedor oxidized(stale).Ingeneral,fuelshouldbe
usedwithin30 daysofitspurchasedate.
• Normaldeteriorationandwearof theexteriorfinishes,orproductlabelreplacement.
Thiswarrantyisvoidif thisproductiseverusedwhileprovidingcommercialservicesor if rentedtoanotherperson.
Thiswarrantygivesyouspecificlegalrights,andyoumayalsohaveotherrightswhichvaryfromstatetostate.
SearsBrands ManagementCorporation, Hoffman Estates, IL 60179
EngineOilType: 5W-30
EngineOilCapacity: 37ounces
FuelCapacity: Approx.5 Quarts
SparkPlug: F6RTC(951-10292)
SparkPlugGap: .020"to.030"
© SearsBrands,LLC
Model Number.................................................................
Serial Number.................................................................
Dateof Purchase.............................................................
Recordthemodelnumber,serialnumber
anddateof purchaseabove
2
Thissymbolpointsout importantsafetyinstructionswhich,if not
followed,couldendangerthepersonalsafetyand/orpropertyof
yourselfandothers. Readandfollowall instructionsin thismanual
beforeattemptingtooperatethismachine.Failuretocomplywith
theseinstructionsmayresultin personalinjury.Whenyouseethis
symbol,HEEDITSWARNING!
Thismachinewasbuiltto beoperatedaccordingtothesafeopera-
tionpracticesinthis manual.Aswithanytypeof powerequipment,
carelessnessorerroron thepartofthe operatorcanresultin serious
injury.Thismachineiscapableofamputatingfingers,hands,toes
andfeetandthrowingdebris.Failuretoobservethefollowingsafety
instructionscouldresultin seriousinjuryor death.
CALIFORNIA PROPOSITION 65
EngineExhaust,someof itsconstituents,andcertainvehicle
componentscontainoremitchemicalsknowntoStateof California
tocausecancerandbirthdefectsorotherreproductiveharm,
TRAiNiNG
• Read,understand,andfollowall instructionson themachineand
in themanual(s)beforeattemptingto assembleandoperate.
Failuretodo socan resultinseriousinjurytothe operatorand/
orbystanders.Keepthismanualin asafeplaceforfutureand
regularreferenceandfororderingreplacementparts.
• Befamiliarwithall controlsandtheirproperoperation.Knowhow
tostopthe machineanddisengagethemquickly.
• Neverallowchildrenunder14yearsofageto operatethis
machine.Children14andovershouldreadandunderstandthe
instructionsandsafeoperationpracticesin thismanualandon
themachineandbe trainedandsupervisedbyanadult.
Neverallowadultsto operatethismachinewithoutproper
instruction.
• Thrownobjectscan causeseriouspersonalinjury.Planyour
snow-throwingpatterntoavoiddischargeof materialtoward
roads,bystandersandthelike.
Keepbystanders,petsandchildrenat least75feetfromthe
machinewhileit isin operation.Stopmachineifanyoneenters
thearea.
• Exercisecautiontoavoidslippingor falling,especiallywhen
operatinginreverse.
Your Responsibility--Restrict theuseofthispowermachineto
personswhoread,understandandfollowthewarningsand instruc-
tionsin thismanualandon themachine.
SAVE THESE INSTRUCTIONS!
PREPARATION
Thoroughlyinspecttheareawheretheequipmentistobeused.
Removeall doormats,newspapers,sleds,boards,wiresandother
foreignobjects,whichcouldbe trippedoverorthrownbytheauger/
impeller.
• Alwayswearsafetyglassesoreyeshieldsduringoperationand
whileperformingan adjustmentor repairto protectyoureyes.
Thrownobjectswhichricochetcancauseseriousinjurytothe
eyes.
Donot operatewithoutwearingadequatewinteroutergarments.
Donot wearjewelry,longscarvesorotherlooseclothing,which
couldbecomeentangledin movingparts.Wearfootwearwhich
willimprovefootingonslipperysurfaces.
Usea groundedthree-wireextensioncordand receptacleforall
machineswithelectricstartengines.
Disengageall controlleversbeforestartingtheengine.
Adjustcollectorhousingheightto cleargravelorcrushedrock
surfaces.
• Neverattempttomakeanyadjustmentswhileengineis running,
exceptwherespecificallyrecommendedinthe operator'smanual.
Letengineandmachineadjustto outdoortemperaturebefore
startingtoclearsnow.
3
SafeHandling of Gasoline
Toavoidpersonalinjuryor propertydamageuseextremecarein
handlinggasoline.Gasolineisextremelyflammableandthevaporsare
explosive.Seriouspersonalinjurycan occurwhengasolineisspilled
onyourselforyourclotheswhichcan ignite.Washyourskinand
changeclothesimmediately.
• Useonlyan approvedgasolinecontainer.
• Extinguishallcigarettes,cigars,pipesandothersourcesof
ignition.
• Neverfuelmachineindoors.
• Neverremovegascapor addfuelwhiletheengineishotor
running.
• Allowengineto coolat leasttwominutesbeforerefueling.
• Neveroverfill fueltank.Filltankto nomorethan1/2inchbelow
bottomoffillerneckto providespaceforfuelexpansion.
• Replacegasolinecapandtightensecurely.
• Ifgasolineis spilled,wipeitofftheengineandequipment.Move
machinetoanotherarea.Wait5 minutesbeforestartingthe
engine.
• Neverstorethemachineorfuel containerinsidewherethereisan
openflame,sparkor pilotlight(e.g.furnace,waterheater,space
heater,clothesdryeretc.).
• Allowmachinetocoolat least5minutesbeforestoring.
• Neverfillcontainersinsideavehicleor ona truckortrailerbed
witha plasticliner.Alwaysplacecontainersonthegroundaway
fromyourvehiclebeforefilling.
• If possible,removegas-poweredequipmentfromthe truckor
trailerandrefuelitonthe ground.Ifthis isnotpossible,thenrefuel
suchequipmenton a trailerwithaportablecontainer,ratherthan
froma gasolinedispensernozzle.
• Keepthenozzlein contactwiththerimofthefueltankor
containeropeningatalltimes untilfuelingiscomplete.Donotuse
a nozzlelock-opendevice.
OPERATION
• Donot puthandsorfeetnearrotatingparts,in theauger/impeller
housingorchuteassembly.Contactwiththerotatingpartscan
amputatehandsandfeet.
• Theauger/impellercontrolleverisa safetydevice.Neverbypass
itsoperation.Doingsomakesthe machineunsafeandmaycause
personalinjury.
• Thecontrolleversmustoperateeasilyinbothdirectionsand
automaticallyreturntothedisengagedpositionwhenreleased.
• Neveroperatewitha missingordamagedchuteassembly.Keep
all safetydevicesinplaceandworking.
• Neverrunanengineindoorsorina poorlyventilatedarea.Engine
exhaustcontainscarbonmonoxide,anodorlessanddeadlygas.
• Donotoperatemachinewhileundertheinfluenceofalcoholor
drugs.
• Mufflerandenginebecomehotandcancausea burn.Donot
touch.Keepchildrenaway.
• Exerciseextremecautionwhenoperatingon orcrossinggravel
surfaces.Stayalertforhiddenhazardsortraffic.
Exercisecautionwhenchangingdirectionandwhileoperatingon
slopes.Do notoperateonsteepslopes.
Planyoursnow-throwingpatternto avoiddischargetowards
windows,walls,carsetc. Thus,avoidingpossibleproperty
damageorpersonalinjurycausedby aricochet.
Neverdirectdischargeatchildren,bystandersand petsor allow
anyoneinfrontof themachine.
Donot overloadmachinecapacitybyattemptingtoclearsnowat
toofastof a rate.
Neveroperatethismachinewithoutgoodvisibilityorlight.Always
be sureofyourfootingand keepafirmholdon the handles.Walk,
neverrun.
Disengagepowertotheauger/impellerwhentransportingor not
in use.
Neveroperatemachineathightransportspeedsonslippery
surfaces.Lookdownand behindandusecarewhenbackingup.
Ifthemachineshouldstartto vibrateabnormally,stoptheengine,
disconnectthesparkplugwire andgrounditagainsttheengine.
Inspectthoroughlyfordamage.Repairanydamagebefore
startingandoperating.
Disengageall controlleversandstopenginebeforeyouleave
theoperatingposition(behindthehandles).Waituntiltheauger/
impellercomestoa completestopbeforeuncloggingthechute
assembly,makinganyadjustments,or inspections.
Neverputyourhandinthedischargeorcollectoropenings.Do
notunclogchuteassemblywhileengineis running.Shutoff
engineand remainbehindhandlesuntilall movingpartshave
stoppedbeforeunclogging.
Useonlyattachmentsandaccessoriesapprovedbythemanufac-
turer(e.g.wheelweights,tirechains,cabsetc.). Forinformation
concerningtheseitems,call1-800-469-4663.
Whenstartingengine,pullcord slowlyuntilresistanceis felt,then
pull rapidly.Rapidretractionof startercord(kickback)willpull
handandarmtowardenginefasterthanyoucanletgo.Broken
bones,fractures,bruisesorsprainscouldresult.
Ifsituationsoccurwhichare notcoveredinthis manual,usecare
andgoodjudgment.
Toorderpartsor scheduleserviceforthisproduct,call 1-800-
469-4663.
CLEARING A CLOGGED DISCHARGE CHUTE
Handcontactwiththe rotatingimpellerinsidethe dischargechute
is themostcommoncauseofinjuryassociatedwithsnowthrowers.
Neveruseyourhandtocleanoutthedischargechute.
Toclear thechute:
1. SHUTTHEENGINEOFF!
2. Wait 10secondstobe surethe impellerbladeshavestopped
rotating.
3. Alwaysusea clean-outtool,notyourhands.
4
MAINTENANCE & STORAGE
• Nevertamperwithsafetydevices.Checktheirproperoperation
regularly.Refertothe maintenanceandadjustmentsectionsof
thismanual.
• Beforecleaning,repairing,or inspectingmachinedisengageall
controlleversandstoptheengine.Waituntilthe auger/impeller
cometoa completestop.Disconnectthe sparkplugwireand
groundagainsttheengineto preventunintendedstarting.
Checkboltsand screwsforpropertightnessatfrequentintervals
tokeepthemachineinsafeworkingcondition.Also,visually
inspectmachineforanydamage.
Donotchangetheenginegovernorsettingor over-speedthe
engine.Thegovernorcontrolsthe maximumsafeoperatingspeed
ofthe engine.
Snowthrowershaveplatesandskidshoesaresubjecttowear
anddamage.Foryoursafetyprotection,frequentlycheckall
componentsand replacewithoriginalequipmentmanufacturer's
(OEM)partsonlyaslistedinthe Partspagesof thisoperator's
manual.Useofpartswhichdonot meettheoriginalequipment
specificationsmayleadto improperperformanceandcompro-
misesafety!
Checkcontrolleversperiodicallytoverifytheyengageanddisen-
gageproperlyandadjust,ifnecessary.Refertothe adjustment
sectioninthisoperator'smanualforinstructions.
Maintainor replacesafetyandinstructionlabels,asnecessary.
Observeproperdisposallawsand regulationsfor gas,oil,etc.to
protecttheenvironment.
Priorto storing,runmachinea few minutestoclearsnowfrom
machineand preventfreezeupof auger/impeller.
Neverstorethemachineorfuel containerinsidewherethereisan
openflame,sparkorpilot lightsuchasawaterheater,furnace,
clothesdryeretc.
Alwaysrefertothe operator'smanualforproperinstructionson
off-seasonstorage.
Checkfuelline,tank, cap,andfittingsfrequentlyforcracksor
leaks.Replaceif necessary.
Donotcrankenginewithsparkplugremoved.
Accordingtothe ConsumerProductsSafetyCommission(CPSC)
andtheU.S.EnvironmentalProtectionAgency(EPA),thisproduct
hasan AverageUsefulLifeof seven(7)years,or60hoursof
operation.Atthe endoftheAverageUsefulLifehavethemachine
inspectedannuallybyan authorizedservicedealerto ensurethat
allmechanicalandsafetysystemsareworkingproperlyand not
wornexcessively.Failuretodoso canresultinaccidents,injuries
ordeath.
DO NOT MODIFY ENGINE
Toavoidseriousinjuryor death,do notmodifyengineinanyway.
Tamperingwiththe governorsettingcanleadto arunawayengineand
causeitto operateatunsafespeeds.Nevertamperwithfactorysetting
ofenginegovernor.
NOTICE REGARDING EMiSSiONS
EngineswhicharecertifiedtocomplywithCaliforniaandfederal
EPAemissionregulationsforSORE(SmallOffRoadEquipment)are
certifiedto operateonregularunleadedgasoline,and mayinclude
thefollowingemissioncontrolsystems:EngineModification(EM),
OxidizingCatalyst(OC),SecondaryAirInjection(SAI)and ThreeWay
Catalyst(TWO)if so equipped.
SPARK ARRESTOR
Thismachineisequippedwithaninternalcombustionengineand
shouldnotbe usedonor nearanyunimprovedforest-covered,
brush-coveredorgrass-coveredlandunlesstheengine'sexhaust
systemisequippedwitha sparkarrestormeetingapplicablelocalor
statelaws(if any)
Ifa sparkarrestorisused,itshouldbe maintainedineffectiveworking
orderbytheoperator.Inthe StateofCaliforniatheaboveis required
bylaw (Section4442oftheCaliforniaPublicResourcesCode).Other
statesmayhavesimilarlaws. Federallawsapplyonfederallands.
A sparkarrestorfor themufflerisavailablethroughyournearestSears
PartsandRepairServiceCenter.
SAFETY SYMBOLS
Thispagedepictsanddescribessafetysymbolsthatmayappearonthisproduct. Read,understand,andfollowall instructionson the machine
beforeattemptingtoassembleandoperate.
READ THE OPERATOR'S MANUAL(S)
i
. +
i
Read, understand, and follow all instructions in the manual(s) before attempting to assemble and
operate
WARNING-- ROTATING BLADES
Keep hands out of inlet and discharge openings while machine is running. There are rotating blades
inside
WARNING-- ROTATING BLADES
Keep hands out of inlet and discharge openings while machine is running. There are rotating blades
inside
WARNING-- ROTATING AUGER
Do not put hands or feet near rotating parts, in the auger/impeller housing or chute assembly.
Contact with the rotating parts can amputate hands and feet.
"JIp
WARNING--THROWN OBJECTS
This machine may pick up and throw objects which can cause serious personal injury.
WARNING--GASOLINE IS FLAMMABLE
Allow the engine to cool at least two minutes before refueling.
WARNING-- CARBON MONOXIDE
Never run an engine indoors or in a poorly ventilated area. Engine exhaust contains carbon
monoxide, an odorless and deadly gas+
WARNING-- ELECTRICAL SHOCK
Do not use the engine's electric starter in the rain
6
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7
NOTE:Referencestorightorleftsideofthesnowthroweraredetermined
fromtheoperatingpositionlookingforwardtothefrontofthemachine.
Handle
REMOVING FROM CRATE
1. Removescrewsfromthebottomofthecratesecuringthesides,
andendsof theshippingcrate.
2. Liftoffthetopoff ofthecrateandsetoutof thewayofthe
assemblyarea.
3. Removeanddiscardplasticbagthatcoversunit.
4. Removeany loosepartsincludedwithunit(e.g.,Operator's
Manual,etc.).
5. Pushdownon thelowerhandleand pullunitbackout ofcrate.
6. Makecertainthecratehasbeencompletelyemptiedbefore
discardingit.
ASSEMBLY
1. Removeanypackagingmaterialfromthe upperhandle.
2. Removethe lowerplasticwingnut,bellevillewasherand carriage
boltfromeachsideof theupperhandle;thenraisethe upper
handleassemblyuntilit snapsoverthelowerhandle.SeeFig.1.
,,J
Figure 2
Chute Assembly
1. Removelocknutsandscrewssecuringoneof theflangekeepers
tothe chuteassembly.Loosenthefastenersofthe othertwo
flangekeepers. SeeFigure3.
Figure 1
3. Lookingbeneaththehandlepanel,checkthatallofthecables
(steering,auger,shift,anddrive)areproperlyroutedandnot
pinchedorkinked.Makecertainthespringsatthelowerendofthe
augeranddrivecablesaresecurelyhookedintotheirrespective
actuatorbrackets.
4. Securetheupperhandleandlowerhandlewiththetwowingnuts,
bellevillewashers,andcarriageboltsremovedearlier.Tightenthe
twowingnutsalreadyinstalledintheupperholestofirmlysecure
theupperhandleandsupporttubes.SeeFig.2.
\
Figure 3
2. Loosen,butdonot remove,thechutecrankbracketinorderto
attachthe chuteassembly.SeeFig.5.
3. Placechuteassemblyontochutebaseasshownin Figure4. Make
surethatthechutenotchesengagewiththespiralendofchute
directionalcontrol,andthetwoflangekeepersarebeneaththe
flangeonthe chutebase.
4. Secureflangekeeperremovedearlierwith locknutsand screws.
Tightendownnutssecuringtheothertwo flangekeepers.See
Figure5.
8
Figure4
SET-UP
Shear Pins
A pairof replacementaugershearpinsandbowtiecotterpinshavebeen
includedwithyoursnowthrower.Theyarestoredintheholesprovidedinthe
plasticdashpanelasseeninFigure7.Forinformationregardingreplacing
theshearpins,seeReplacingShearPinsintheOperationsectionofthis
manual.
\ \
Figure 5
.
Re-tightenthehardwaresecuringthechutecrankbracket.
6.
Checkthatthe chutecablesareproperlyroutedthroughthecable
guideontopof engineshroud.SeeFigure6.
Figure7
Chute Clean-Out Tool
Thechuteclean-outtool isfastenedtothetopoftheaugerhousing
witha mountingclip anda cabletieatthefactory.Cutthecabletie
beforeoperatingthe snowthrower.See Fig.8.
/
/
/
/
\
/
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Figure 6
Figure 8
9
Drift(:utters
The snow thrower drift cutters are mounted inverted at the factory
for shipping purposes.
1. Remove the four wing knobs (two on each side) and carriage bolts.
Place drift cutter in upright position and re-secure. See Fig.9.
Figure 9
Adding Fuel
Useextremecarewhenhandlinggasoline.Gasolineis extremely
flammableandthe vaporsareexplosive.Neverfuelthemachine
indoorsorwhile theengineishotor running.Extinguishcigarettes,
cigars,pipesandothersourcesofignition.
Alwayskeephandsandfeetclear ofequipmentmovingparts.Donot
usea pressurizedstartingfluid.Vaporsareflammable.
.
Cleanaroundfuel fillbeforeremovingcap tofuel.
2.
A fuellevelindicatorislocatedinthefueltank.Filltankuntilfuel
reachesthefuel levelindictor,Figure10.Becarefulnottooverfill.
Fuel Level Indicator
TopView
Tire Pressure (Pneumatic Tires)
Underanycircumstancedo notexceedmanufacturer'srecom-
mendedpsi.Equaltirepressureshouldbemaintainedatall times.
Excessivepressurewhenseatingbeadsmaycausetire/rim
assemblytoburstwithforcesufficienttocauseseriousinjury.Refer
tosidewallof tirefor recommendedpressure.
Thetirescan beover-inflatedforshippingpurposes.Checkthetire
pressurebeforeoperatingthesnowthrower. Refertothetiresidewall
formanufactures'srecommendedpsi anddeflate(orinflate)thetires
asnecessary.
NOTE:Equaltirepressureistobemaintainedatalltimesforperfor-
mancepurposes.
Fuel Recommendations
Useautomotivegasoline(unleadedor lowleadedto minimizecombus-
tionchamberdeposits)witha minimumof87octane.Gasolinewith
upto 10%ethanolor 15%MTBE(MethylTertiaryButylEther)canbe
used.Neveruseanoil/gasolinemixtureor dirtygasoline.Avoidgetting
dirt,dust,or waterinthefueltank.DONOTuseE85gasoline.
• Refuelin awell-ventilatedareawiththe enginestopped.Do
notsmokeorallowflamesor sparksintheareawherethe
engineisrefueledor wheregasolineisstored.
• Donotoverfillthefuel tank.Afterrefueling,makesurethe
tankcapisclosedproperlyandsecurely.
• Becarefulnotto spillfuelwhenrefueling.Spilledfuelorfuel
vapormayignite.Ifany fuelisspilled,makesuretheareais
drybeforestartingtheengine.
• Avoidrepeatedorprolongedcontactwithskinor breathingof
vapor.
J
Figure 10
Checking Oil Level
Theengineis shippedwithoil in theengine.Youmust,however,
checkthe oillevelpriorto operatingthe snowthrower.Runningthe
enginewith insufficientoil cancauseseriousenginedamageand
voidtheenginewarranty.
NOTE:Besuretochecktheengineon a levelsurfacewiththeengine
stopped.
Toavoidenginedamage,itis importantto:
• Checkoil levelbeforeeachuseandevery5 operatinghours
whenengineis warm.Checkoillevelmorefrequentlyduring
enginebreak-in.
• Keepoillevelbetween"H"and"L"marksondipstick.See
Fig.11.
• Besureoilfill cap/plugistightenedsecurelywhenchecking.
1. Removetheoilfillercap/dipstickandwipethedipstickclean.See
Fig.11.
2. Insertthecap/dipstickintotheoil fillerneck,andtightenthecap
turningclockwiseuntilcap isseated.
10
F
Figure11
NOTE:On someengines,athreadedscrewcapwillbepresent
insteadof thequarterturnlockingcap.Intheinstanceofathreadedoil
cap/dipstick,DONOTscrewthecap/dipstickin tocheck.Checktheoil
byrestingthecap/dipstickon thethreads,butnotscrewingitin.
3. Removetheoil fillercap/dipstick,ifthe levelislow,slowlyaddoil
untiloil levelregistersbetweenhigh(H)andlow(L), Fig.11.
4. Replaceandtightencap/dipstickfirmlybeforestartingengine.
NOTE:Donotoverfill.Overfillingwithoil maycausesmoking,hard
starting,or sparkplugfouling.
NOTE:DONOTallowoil leveltofallbelowthe"L"markonthe
dipstick.Doingsomayresultin equipmentmalfunctionsordamage.
To adjust the skid shoes:
1. Adjustskidshoesbylooseningthesix (threeoneachside) hex
nutsandcarriagebolts securingtheskidshoesto theauger
housing. Referto Figure12.
2. Whileobservingthedistancebetweentheshaveplateandthe
ground,adjustthe skidsshoesupordowntoachievethedesired
shaveplateheight.SeeFigure12.
3. Makecertaintheentirebottomsurfaceofskidshoesareagainst
thegroundto avoidunevenwearon theskidshoes;thentighten
nutsandboltssecurely.
Lower
ShavePlate
Figure 12
Shave
Plate
Raise
Shave
Plate
AUGER AND DRIVE CONTROL CABLES
NOTE:Tochangethe oilonyourengine,seethe MaintenanceSec-
tionof theengineoperator'smanualincludedwiththe snowthrower.
ADJUSTMENTS
Skid Shoes
Thesnowthrowerskidshoesareadjustedupwardat thefactoryfor
shippingpurposes.Adjustthemdownwardpriorto operatingthesnow
thrower.
Itis notrecommendedthatyouoperatethissnowthrowerongravel
asit caneasilypick upandthrowloosegravel,causingpersonal
injuryor damagetothesnowthrowerandsurroundingproperty.
Forclosesnowremovalona smoothsurface,adjusttheskidshoessothat
theshaveplateonthe bottomofthe augerhousingisjustofftheground.
Adjusttheskidshoesto alowerpositiontoraisetheshaveplateoff the
groundwhenclearingunevenareas,suchas aribbontypedrivewayor
a graveldriveway
NOTE:Ifyou choosetooperatethesnowthrowerona gravelsurface,
keepthe skidshoesinpositionformaximumclearancebetweenthe
groundandtheshaveplate.
Priortooperatingyoursnowthrower,carefullyreadandfollowall
instructionsbelow.Performalladjustmentstoverifyyoursnowthrower
isoperatingsafelyandproperly.
Testing Auger Drive Control
1. Whentheaugercontrolisreleasedandinthedisengaged"up"
position,thecableshouldhaveverylittleslack.It shouldNOTbe
tight.Referto Figure13.
2. Inawell-ventilatedarea,startthesnowthrowerengineas
instructedinthe Operationsectionofthis manual.Makesurethe
throttleis setintheFASTposition.
3. Whilestandingintheoperator'sposition(behindthesnow
thrower),engagetheauger.
4. Allowtheaugertoremainengagedforapproximatelyten(10)sec-
ondsbeforereleasingtheaugercontrol.Repeatthisseveraltimes.
NOTE:Whenengagingtheauger,youmayheara"chirp"sound.
Thisisnormal,itisthebeltengagingthepulley.Asthebeltwears,this
soundwillnotbeheardwhenengagingtheauger.
5. Withthethrottlecontrolinthe FAST(rabbit)positionandthe
augercontrolinthedisengaged"up"position,walktothe frontof
themachine.
11
6. Confirmthatthe augerhascompletelystoppedrotatingand
showsNOsignsofmotion.IftheaugershowsANYsignsof
rotating,immediatelyreturntotheoperator'spositionandshutoff
theengine.WaitforALL movingpartstostopbeforere-adjusting
theaugercontrol.
Testing Drive Control & Speed Selector Lever
1. Withtheengineturnedoff,movethe speedselectorleverinto
sixth(6) position.RefertoFigure13.
2. Withthewheeldrivecontrolreleased,pushthesnowthrower
forward,thenpull itback.Themachineshouldmovefreely.
3. Engagethedrivecontroland attemptto movethemachineboth
forwardandback,resistanceshouldbefelt.
4. Movethespeedselectorleverintothefastreverse(R2)position
andrepeattheprevioustwosteps.
5. Ifyouexperiencedresistancerollingtheunit,eitherwhen
repositioningthe speedselector leverfrom6 toR2orwhen
attemptingtomovethe machinewiththe drivecontrolreleased,
adjustthedrivecontrolimmediately.SeeAdjustingDriveand
AugerControls.
ChuteTilt _eedSelectorLever
Auc
Control Control
Rearwardmost holeof
the actuator brackets
Figure14
3.
Adjustthe locknutasfollows:If adjustingthe drivecable,thread
thelocknut outward(downthecoupler)tolengthenthecableand
allowthe unittomovefreelywhenthecontrolis released.Thread
thelocknut inward(upthecoupler)toshortenthecabletoreduce
slippageandpreventthemachinefrombeingeasilymovedwith
thedrivecontrolengaged.
Drive
Auger
Control
Cable
Figure 13
Cable
Adjusting Drive and Auger Controls
1. Frombeneaththehandle,pulldownwardonthe appropriatecable
andunhookthespringfoundontheendofthecablefromits
respectiveactuatorbracket.RefertoFigures14and 15.
2. Slidethe springup thecable toexposethecablecouplerthreads
andlocknut.Referto Figure15.
Donotover-tightenthecable.Over-tighteningmaypreventtheauger
shaftfromdisengagingandcompromisethesafetyofthesnowthrower.
4. Ifadjustingtheaugercable,threadthelock nutoutwardstowards
endofthreadtolengthenthecableasnecessarytostopthe
augershaftfromturningwhenthe controlis released.
5. Securelyhookeachcable'sspringintotheappropriateholeofthe
respectiveactuatorbracket.Bothcableshookintothe rearward-
mostholeineachbracket,asshownin Figure14.
6. Repeatthewheeldriveandaugercontrolteststo verifyproper
adjustment.Repeatpreviousstepsifnecessarytoattainproper
adjustmentofeachcable.
12
Figure 15
f
Headlight _eedSeJectorLever
FueJTank
FuelCap
OilFill
When DriveControl
ChutePitchControl"
ger Control
WheelSteeringControl
ChuteAssembly
DriftCutter
Snowthrowercontrolsandfeaturesaredescribedbelowand
in Fig.16.
SPEED SELECTOR LEVER
Thespeedselector leverislocatedintherightsideof
thehandlepaneland isusedtodeterminegroundspeed
anddirectionoftravel.
Forward
Therearesixforward(F) speeds.Positionone(1)isthe
slowestand positionsix(6)isthefastest.
Reverse
Therearetworeverse(R) speeds.One(R1)is theslower
andtwo(R2)is thefaster.
AugerHousing
_Skid Shoe
Figure 16
illustrated
6
5
4
3
t 2
F1
R1
ChuteDirectionalControl
OilFiller
Cap/Dipstick
Primer
Key ; _ =Cap
OilDrain
FuelFill
StarterHandle
CHOKE CONTROL
Thechokecontrolis foundon therearof the
engineand isactivatedbyrotatingthecontrol
counter-clockwise.Activatingthechokecontrol
closesthe chokeplateon thecarburetorandaids
instartingtheengine.
KEY
Thekeyis asafetydevice.Itmustbefullyinserted
intothe ignitioninorderfortheenginetostart.
Removethekeywhenthesnowthroweris notin
use.
IMPORTANT:Donotturnthe keyinan attemptto
startthe engine.Doingsomaycauseittobreak.
Electric
Start
Button
Electric
Box
R2
Meets ANSi Safety Standards
CraftsmanSnowThrowersconformtothesafetystandardoftheAmericanNationalStandardsInstitute(ANSI).
13
THROTTLE CONTROL
Thethrottlecontrolis locatedontherearof theengine.It regulatesthe
speedof theengineandwillshutofftheenginewhenmovedintothe
STOPposition.
PRIMER
Pressingtheprimerforcesfuel directlyintothe
engine'scarburetortoaid instartinga "Cold" qkfP------=---
engine,orrestartinga warmengine. I
OIL FILL
Engineoillevelcan becheckedandoil added
throughtheoilfill.
OIL DRAIN
Engineoilcanbedrainedthroughtheoil drain.
FUEL CAP
Un-threadthegascapto addgasolinetothefueltank.
MUFFLER
Engineexhaustexiststheengineviathe muffler.
ELECTRIC STARTER OUTLET
Requirestheuseofa three-prongoutdoorextensioncordanda 120V
powersource/walloutlet.
RECOIL STARTER HANDLE
Thishandleisusedto manuallystarttheengine.
ELECTRIC STARTER BUTTON
Pressingtheelectricstarterbuttonengagestheengine'selectric
starterwhenpluggedintoa 120Vpowersource.
AUGER
Whenengaged,theaugerbladesrotateanddraw snowintotheauger
housing.
CHUTE ASSEMBLY
Snowdrawnintotheaugerhousingisdischargedoutthechute
assembly.
DRIFT CUTTERS
Thedrift cuttersaredesignedforuseindeepsnow.Theiruseis
optionalfornormalsnowconditions.Maneuverthesnowthrowerso
thatthecutterspenetrateahighstandingsnowdrifttoassistsnow
fallingintotheaugersforthrowing.
AUGER CONTROL
AUGER
CONTROL
&
J
Theaugercontrolis locatedon thelefthandle.Squeezethecontrol
gripagainstthehandleto engagetheaugerand startsnowthrowing
action.Releaseto stop.
DRIVE CONTROL / AUGER CLUTCH LOCK
Thedrivecontrolislocatedon therighthandle.Squeezethecontrol
gripagainstthehandleto engagethewheeldrive.Releasethehandle
to stop.
Thedrivecontrolalsolockstheaugercontrolso thatyoucanoperate
thechutedirectionalcontrolwithoutinterruptingthe snowthrowing
process.If theaugercontrolisengagedsimultaneouslywiththedrive
control,theoperatorcanreleasetheaugercontrol(onthelefthandle)
andtheaugerwill remainengaged.Releasebothcontrolstostopthe
augerand wheeldrive.
NOTE:Alwaysreleasethedrivecontrolbeforechangingspeeds.
Failuretodosowill resultinincreasedwearonyourmachine'sdrive
system.
SKiD SHOES
Positiontheskidshoesbasedon surfaceconditions.Adjustupward
forhard-packedsnow.Adjustdownwardwhenoperatingongravelor
crushedrocksurfaces.
14
TWO-WAY CHUTE-PITCH CONTROLTM
Thetwo-waychute-pitchcontrolislocatedon theleftsideofthe
handlepaneland isusedtocontrolthedistanceofsnowdischarge
fromthechute.
• Tochangetheupperchuteangletocontrolthedistancethat
snowisthrown,pivottheleverforwardor backward.
Movetheleverforwardto pivottheupperchutedownandreduce
thedistancesnowisthrown.
Movetheleverrearwardtopivottheupperchuteupwardand
increasethedistancesnowisthrown.
NOTE:Toincreaseordecreasethetensiononthe two-waychute
control,tightenor loosenthewingknobonthechuteassembly.
CHUTE DiRECTiONAL CONTROL
DiscHARG oiscHARGE
i
i
CH UTE TILT
DOV_I
V
.,j
a
CHUTE TILT
UP
CHUTE CLEAN-OUT TOOL
Thechuteclean-outtool isconvenientlyfastenedtotherearof the
augerhousingwitha mountingclip.Shouldsnowand icebecome
lodgedinthechuteassemblyduringoperation,proceedasfollowsto
safelycleanthechuteassemblyandchuteopening:
Neveruseyourhandsto cleara cloggedchuteassembly.Shut
off engineandremainbehindhandlesuntilall movingpartshave
stoppedbeforeunclogging.
1. ReleaseboththeAugerControlandtheDriveControl.
2. Stoptheengineby removingthe ignitionkey.
3. Removetheclean-outtoolfromtheclip whichsecuresit tothe
rearofthe augerhousing.
4. Usethe shovel-shapedendofthe clean-outtoolto dislodgeand
scoopanysnowandice whichhasformedinand nearthechute
assembly.
5. Refastentheclean-outtoolto themountingclipon the rearof
theaugerhousing,reinserttheignitionkeyandstart thesnow
thrower'sengine.
6. Whilestandingintheoperator'sposition(behindthesnow
thrower),engagetheaugercontrolfora fewsecondstoclear
anyremainingsnowandicefromthechuteassembly.
BEFORE STARTING ENGINE
.J
CHUTE DiRECTiONAL CONTROL
Thechutedirectionalcontrolislocatedon theleftsideofthe snow
thrower.
Tochangethedirectioninwhichsnowisthrown,crankclockwise
todischargetotheleftand counterclockwiseto dischargeto the
right.
WHEEL STEERING CONTROLS
The[eft andrightwheelsteeringcontrolsarelocatedon theunderside
ofthe handles.Squeezetherightcontroltoturn right;squeezethe left
controltoturn left.
NOTE: Operatethesnowthrowerinopenareasuntilyouarefamiliar
withthesecontrols.
HEADLIGHT
Theheadlightis locatedinsideofthehandlepanel.
DRIFT CUTTERS
Thedrift cuttersaredesignedforuseindeepsnow.Theiruseis
optionalfornormalsnowconditions.Maneuverthesnowthrowerso
thatthecutterspenetrateahighstandingsnowdrifttoassistsnow
fallingintotheaugersforthrowing.
Read,understand,andfollowallinstructionsandwarningsonthe
machineandinthis manualbeforeoperating.
Oil
Theunitwas shippedwith oilin theengine.Checkoillevelbeforeeach
operationtoensureadequateoil inthe engine.Forfurtherinstructions,
refertotheService&Maintenancesectionofthis manual.
NOTE:Besuretochecktheengineona levelsurfacewiththeengine
stopped.
1. Removetheoilfillercap/dipstickandwipethedipstickclean.
2. Insertthecap/dipstickintotheoilfillerneck,andtightenthecap
turningclockwiseuntilcap isseated.
NOTE:Onsomeengines,a threadedscrewcapwillbe present
insteadofthe quarterturnlockingcap.Intheinstanceofa
threadedoilcap/dipstick,DONOTscrewthecap/dipstickin to
check.Checktheoil byrestingthecap/dipstickonthethreads,
butnot screwingitin.
Removetheoilfiller cap/dipstick.Ifthe levelislow,slowlyadd
oil (5W-30,withaminimumclassificationofSF/SG)untiloil level
registersbetweenhigh(H)andlow (L).
NOTE:Donotoverfill.Overfillingwithoil mayresultinenginesmoking,
hardstartingor sparkplugfouling.
4. Replaceandtightencap/dipstickfirmlybeforestartingengine.
15
Gasoline
Useextremecarewhenhandlinggasoline.Gasolineisextremely
flammableandthevaporsareexplosive.Neverfuel themachine
indoorsorwhiletheengineis hotor running.Extinguishcigarettes,
cigars,pipesandothersourcesofignition.
Useautomotivegasoline(unleadedor lowleadedto minimizecombus-
tionchamberdeposits)witha minimumof87octane.Gasolinewith
upto 10%ethanolor 15%MTBE(MethylTertiaryButylEther)canbe
used.Neveruseanoil/gasolinemixtureor dirtygasoline.Avoidgetting
dirt,dust,or waterin thefueltank.DONOTuseE85gasoline.
• Refuelin awell-ventilatedareawiththe enginestopped.Donot
smokeorallowflamesorsparksintheareawheretheengineis
refueledorwheregasolineis stored.
• Donotoverfillthefuel tank.Afterrefueling,makesurethetank
capis closedproperlyandsecurely.
• Becarefulnotto spillfuelwhenrefueling.Spilledfuelorfuelvapor
mayignite.Ifanyfuel isspilled,makesuretheareaisdrybefore
startingtheengine.
• Avoidrepeatedorprolongedcontactwithskinor breathingofvapor
1. Cleanaroundfuelfill beforeremovingcapto fueltopreventdebris
fromenteringfueltank..
2. Afuellevelindicatorislocatedinthe fueltank. Filltankuntilfuel
reachesthefuel levelindictor.SeeFigure10inset.Becarefulnot
tooverfill.
STARTING THE ENGINE
Alwayskeephandsandfeetclear ofmovingparts.Donotusea
pressurizedstartingfluid.Vaporsareflammable.
Ifyouhavea groundedthree-prongreceptacle,proceedasfollows.
Ifyoudonot havetheproperhousewiring,DONOTusetheelectric
starterunderanyconditions.
1. Plugtheextensioncordintotheoutletlocatedonthe engine's
surface.Plugtheotherendof extensioncord intoa three-prong
120-volt,grounded,AC outletinawell-ventilatedarea.
2. Movethrottlecontrolto FAST(rabbit)_ position.
3. MovechoketotheCHOKEpositionI.,.,¢1(coldenginestart).
NOTE:Ifthe engineisalreadywarm,placechokecontrolinthe
RUNpositioninsteadofCHOKEI,,_¢I position.
4. Pushprimerthreetimes(3x),makingsureto coverventholein
primerbulbwhenpushing.Ifengineiswarm,pushprimeronly
once.Alwayscoverventholewhenpushing.Cool weathermay
requireprimingtobe repeated.
5. Pushstarterbuttonto startengine.Oncetheenginestarts,im-
mediatelyreleasestarterbutton.Electricstarterisequippedwith
thermaloverloadprotection;systemwilltemporarilyshut-downto
allowstartertocool ifelectricstarterbecomesoverloaded.
Toprolongstarterlife,useshortstartingcycles(5secondsmaximum
thenwaitone minute).
6. Astheenginewarms,slowlyrotatethechokecontroltothe RUN
position.Ifthe enginefalters,restartengineand runwith choke
at half-chokepositionfor a shortperiodoftime,andthenslowly
rotatethechokeintotheRUNposition.
7. Afterengineis running,disconnectpowercordfromelectric
starter.Whendisconnecting,alwaysunplugtheendat thewall
outletbeforeunpluggingtheoppositeendfromthe engine.
Recoil Starter
NOTE:Allowtheengineto warmupfora fewminutesafterstarting.
Theenginewill notdevelopfullpoweruntilit reachesoperating
temperatures.
1. Makecertainboththe augercontrolanddrivecontrolare inthe
disengaged(released)position.
2. Insertkeyinto slot.Makesureit snapsinto place.Donotattempt
toturnthekey.
NOTE:The enginecannotstartwithoutthekeyisfullyinsertedintothe
ignitionswitch.
Electric Starter
Theoptionalelectricstarterisequippedwitha groundedthree-wire
powercordandplug,andis designedtooperateon 120voltAC
householdcurrent.Itmustbeusedwitha properlygroundedthree-
prongreceptacleatalltimestoavoidthepossibilityof electricshock.
Followall instructionscarefullypriortooperatingtheelectricstarter.
DONOTuse electricstarterintherain.
Determinethatyourhome'swiringis athree-wiregroundedsystem.
Aska licensedelectricianifyouarenotcertain.
Donot pullthestarterhandlewhiletheenginerunning.
1. Movethrottlecontrolto FAST(rabbit)_1 position.
2. MovechoketotheCHOKEI,,,¢1position_(coldenginestart).If
engineiswarm,placechokeinthe RUNposition.
3. Pushprimerthreetimes,makingsureto coverventholewhen
pushing.If engineiswarm,pushprimeronlyonce.Alwayscover
ventholewhenpushing.Coolweathermayrequireprimingto be
repeated.
4. Pullgentlyon thestarterhandleuntilit beginstoresist,thenpull
quicklyandforcefullytoovercomethecompression.Engineshould
start.Donot releasethehandleandallowitto snapback.Return
ropeSLOWLYtooriginalposition.If required,repeatthisstep.
5. Astheenginewarms,slowlyrotatethechokecontroltothe RUN
position.Ifthe enginefalters,restartengineand runwith choke
at half-chokepositionfor a shortperiodoftime,andthenslowly
rotatethechokeintotheRUNposition.
Toavoidunsupervisedengineoperation,neverleavethemachine
unattendedwiththeenginerunning.Turntheengineoffafteruseand
removekey.
16
STOPPING THE ENGINE
Afteryouhavefinishedsnow-throwing,runenginefora fewminutes
beforestoppingto helpdryoff anymoistureon theengine.
1. Movethrottlecontrolto STOPi_ position.
ine.Backfireorenc 'occur.
2. Removethe key.Removingthe keywill reducethepossibilityof
unauthorizedstartingofthe enginewhileequipmentis notin use.
Keepthekeyina safeplace.Theenginecannotstartwithoutthe
key.
3. Wipeallsnowandmoisturefromtheareaaroundtheengineas
wellas theareainandaroundthewheeldrivecontrolandauger
control.Also,engageand releasebothcontrolsseveraltimes.
TO ENGAGE DRIVE
1. Withthethrottlecontrolin theFast(rabbit)_ position,move
speedselector leverintooneofthesixforward(F)positionsor
two reverse(R)positions.Selectaspeedappropriateforthe
snowconditionsanda paceyou'recomfortablewith.
NOTE: Whenselectinga DriveSpeed,usetheslowerspeeds
untilyouarecomfortableandfamiliarwiththeoperationofthe
snowthrower.
REPLACING SHEAR PiNS
Theaugersare securedto thespiralshaftwith shearpinsandbow-tie
cotterpins.Ifthe augershouldstrikeaforeignobjector icejam, the
snowthrowerisdesignedsothatthe pinsmayshear.Iftheaugerswill
notturn,checktosee ifthepinshavesheared.SeeFigure17.
NOTE:Twoextrashearpinsaresuppliedin themanualbag.
NEVERreplacetheaugershearpinswithanythingotherthanSears
SKU#88389/0EM PartNo.738-04155replacementshearpins.Any
damagetotheaugergearboxorothercomponentsasaresultof
failingto dosowill NOTbecoveredbyyoursnowthrower'swarranty.
Alwaysturnoffthesnowthrower'sengineand removethekeypriorto
replacingshearpins.
2. Squeezethe drivecontrolagainstthehandleandthesnow
throwerwillmove.Releaseitand drivemotionwillstop.
NOTE:NEVERrepositionthespeedselectorlever(changespeedsor
directionoftravel)withoutfirstreleasingthedrivecontroland bringing
the snowthrowertoacompletestop.Doingsowillresultin premature
weartothe snowthrower'sdrivesystem.
TO ENGAGE AUGER
1. Toengagetheaugerandstartthrowingsnow,squeezetheauger
controlagainsttheleft handle.Releaseto stoptheauger.
\
Figure17
17
MAINTENANCE SCHEDULE
Beforeperforminganytypeofmaintenance/service,disengageall
controlsandstoptheengine.Waituntilallmovingpartshavecometo a
completestop.Removethekeytopreventunintendedstarting.Always
wearsafetyglassesduringoperationorwhileperforminganyadjustments
orrepairs.
EachUse
1st5 -8hours
25 hours
50 hours
Annuallyor100hours
1. Engineoillevel
2. Looseormissinghardware
3. Unitandengine.
1. Engineoil
1. Engineoi11-
2. Controllinkagesand pivots
1. Engineoil
1. Sparkplug
1. Check
2. Tightenor replace
3. Clean
1. Change
1. Change
2. Lubewithlightoil
1. Change
1. Cleanandre-gap,orelse replace
withnewplug.
BeforeStorage 1. Fuelsystem
1. Runengineuntilit stopsfromlackof
fueloradda gasolineadditivetothe
gasin thetank.
Underheavyloador inhightemperatures
Followthemaintenanceschedulegivenbelow.Thischartdescribes
serviceguidelinesonly.UsetheServiceLogcolumnto keeptrackof
completedmaintenancetasks.Tolocate the nearestSearsService
Centeror toscheduleservice,simplycontactSears at
1-800-4-MY-HOME®.
= =
ENGINE MAINTENANCE
Checking Engine Oil
Beforelubricating,repairing,orinspecting,disengageallcontrolsand
stopengine.Waituntilallmovingpartshavecometoa completestop.
Removethekeytopreventunintendedfiringoftheengine.
NOTE: Checktheoil levelbeforeeachuseto besurecorrectoil level
ismaintained.
Whenaddingoilto theengine,refertoviscositychart below.Engineoil
capacityisapproximately37 ounces.Donotover-fill.Usea 4-stroke,
oran equivalenthighdetergent,premiumqualitymotoroilcertified
tomeetorexceedU.S.automobilemanufacturer'srequirementsfor
serviceclassificationSG,SRMotoroilsclassifiedSG, SFwill show
thisdesignationonthecontainer.
1. Removetheoilfillercap/dipstickandwipethedipstickclean.
2. Insertthe cap/dipstickintotheoil fillerneck,butdo not screwit in.
NOTE:On someengines,athreadedscrewcapwillbepresent
insteadofthequarterturn lockingcap.Intheinstanceof a threadedoil
cap/dipstick,DONOTscrewthecap/dipstickin tocheck.Checktheoil
byrestingthe cap/dipstickonthe threads,butnotscrewingitin.
3. Removetheoilfillercap/dipstick,iflevelislow,slowlyaddoiluntil
oil levelregistersbetweenhigh(H) andlow(L). SeeFigure18.
4. Replaceandtightencap/dipstickfirmlybeforestartingengine.
J
Figure18
Changing Engine Oil
NOTE:Changetheengineoil afterthefirst5 hoursofoperationand
oncea seasonorevery50 hoursthereafter.
1. Drainfuelfromtankbyrunningengineuntilthefuel tankisempty.
Besurefuel fillcapis secure.
2. Placesuitableoilcollectioncontainerunderoil drainplug.
3. Removeoil drainplug.SeeFigure19.
4. Tipenginetodrainoil intothe container.Usedoil mustbe
disposedofat apropercollectioncenter.
18
f
Oil Drain
Plug
Figure19
Usedoil isa hazardouswasteproduct.Disposeof usedoil properly.
Donotdiscardwith householdwaste.Checkwithyourlocalauthori-
tiesor SearsServiceCenterforsafedisposal/recyclingfacilities.
ifthe enginehasbeenrunning,themufflerwillbeveryhot.Becareful
notto touchthemuffler.
NOTE: Checkthesparkplugonceaseasonor every25 hoursof
operation.Changethe sparkplugoncea seasonorevery100hours.
Toensureproperengineoperation,the sparkplugmustbeproperly
gappedandfreeof deposits.
1. Removethesparkplugbootand usea sparkplugwrenchto
removetheplug.SeeFigure20.
Spark Plug
.
Reinstallthedrainplugandtightenit securely.
6.
Refillwiththerecommendedoil andchecktheoil level.See
RecommendedOil Usage chart. Theengine's oil capacity is37
ounces.
DONOTuse non-detergentoilor 2-strokeengineoil.Itcouldshorten
theengine'sservicelife.
(°F}=40o =20o 0o 200 400
(°c) -30° -20° -10° 0°
7. Reinstalltheoilfillercap/dipsticksecurely.
Thoroughlywashyourhandswithsoapandwateras soonas
possibleafterhandling usedoil.
Checking Spark Plug
DONOTcheckforsparkwithsparkplugremoved.DONOTcrank
enginewithsparkplugremoved.
Figure20
2. Visuallyinspectthe sparkplug.Discardthe sparkplugif thereis
apparentwear,orif theinsulatoriscrackedorchipped.Cleanthe
sparkplugwithawirebrushifit istobereused.
3. Measurethepluggapwitha feelergauge.Correctasnecessary
bybendingsideelectrode.SeeFigure21.Thegapshouldbe set
to .02-.03inches(0.60-0.80ram).
,'2 3
1..030 (.76 mm) Gap
2. Electrodes
k"_i Porcelain
Figure21
4. Checkthatthesparkplugwasheris ingoodconditionandthread
thesparkpluginby handtopreventcross-threading.
19
5. Afterthe sparkplugis seated,tightenwitha sparkplugwrenchto
compressthewasher.
NOTE:Wheninstallinga newsparkplug,tighten1/2-turnafterthe
sparkplugseatsto compressthe washer.Whenreinstallinga used
sparkplug,tighten1/8-to 1/4-turnafterthesparkplugseatsto
compressthewasher.
hotandcan ine.
CARBURETOR ADJUSTMENT
Thecarburetoris notuseradjustable.ContactSearsParts&Repairfor
adjustment.
LUBRICATION
Drive and Shifting Mechanism
Atleastoncea seasonor afterevery25 hoursofoperation,remove
rearcover.Lubricateall chains,sprockets,gears,bearings,shafts,and
theshiftingmechanism.Useengineoilora spraylubricant.Referto
Figure22.
NOTE:Beforetippingtheunitonthe fronthousing,runthefueltank
emptyso fueldoesnotleakoutof thefuelcap.
1. Carefullypivotthesnowthrowerupandforwardsothat it restson
theaugerhousing.
2. Removetheframecoverfromtheundersideof thesnowthrower
byremovingtheself-tappingscrewswhichsecureit. Referto
Figure27.
3. Applya lightcoatingofengineoil (or3-in-1oil) tothehexshaft.
SeeFig.22.
Wheels
At leastonceaseason,removebothwheels.Cleanandcoattheaxles
witha multipurposeautomotivegreasebeforereinstallingwheels.
Chute Directional Control
Onceaseason,lubricatetheeyeboltbushingandthespiralwith3-in-1
oil.
Auger Shaft
At leastonceaseason,oneatatime, removeallof theshearpins
fromthe augershaft.Spraylubricantinsidethehubof eachauger
spiralassemblyandaroundthe spacersontheaugershaft.
Greasefittingscan alsobe foundateachendof theaugershaft.
Lubricatewitha greasegunoncea season.SeeFigure23.
Gear Case
Theaugergearcaseis equippedwitha greasefitting.Lubricatewith
greaseoncea season(orderpartnumber737-0168).SeeFigure6-2.
NOTE:Torelievepressure,removetheventplugbeforelubricatingthe
gearcase.See Figure23. Failuretodosocouldresultindamageto
thegearcaseseals.
Augers
Eachoftheaugerspiralassembliesissecuredtothe spiralshaftwith
a shearpinandcotterpin.If theaugershouldstrikeaforeignobjector
icejam,the snowthrowerisdesignedsothatthepinsmayshear.
1. Ifaugersdonot turn,checkto seeif pinshavesheared.
2. Replacethepinsif needed.Tworeplacementshearpinsand
cotterpins havebeenprovidedwiththe snowthrower.Sprayan
oil lubricantintoshaftbeforeinsertingnewpinsand securingwith
newcotter pins.SeeFig.23.
NOTE:Becarefulnottoget anyoilon thealuminumdrive plateor
rubberfrictionwheel.Doingsowill hinderthesnowthrower'sdrive
system.Wipeoff anyexcessorspilledoil.
4. At least once a season grease the wheel axle with Arctic grease,
part number 737-0318. The grease fitting is located on the
wheel axle tube behind the wheel axle support bracket.
Rubber Friction
Wheel
Aluminum
Drive
Wheel Axle
Support Bracket
Figure22
Shear Pins Vent Plug Grease Fitting
2O
SHAVE PLATE AND SKiD SHOES
Theshaveplateand skidshoesonthebottomofthesnowthrowerare
subjectto wear.Theyshouldbecheckedperiodicallyandreplaced
whennecessary.
Skid Shoes
NOTE:Theskidshoesonthismachinehavetwowearedges.When
onesidewearsout, theycanberotated1800to usetheotheredge.
1. Removethesix carriageboltsandhexnutsthatsecurethetwo
skidshoestothe sidesoftheaugerhousing.RefertoFigure24.
2. Positionthenew skidshoesandsecurewiththecarriagebolts
andhexnuts.Makecertaintheskidshoesare adjustedtobe
level.
Shave Plate
1. Removethehexnutsandcarriageboltsthatsecuretheshave
plateto thebottomofthehousing.Referto Figure24.
2. Removetherearmosthexnutand carriageboltsecuringtheback
ofeachskidshoeto thesidesofthehousing.Loosenthefour
remaininghexnutssecuringtheskidshoes.
3. Slidetheshaveplateoutof theoff-setslotat thebottomofthe
housing,andfrombetweentheskidshoesandsidepanelsofthe
housing.
4. Withthemountingholestowardthebackof theunit,slidethenew
shaveplateinto positionandsecurewiththe fastenersremoved
previously.
f
k
J
Figure25
Chute Bracket Adjustment
Ifthespiralatthe bottomofthechutedirectionalcontrolis notfully
engagingwiththechuteassembly,thechutebracketcanbeadjusted.
Todo so:
5. Loosenthetwo nutswhichsecurethechutebracketandreposi-
tionit slightly.SeeFigure26.
6. Retightenthenuts.
ii
ii
ii
ii
ii
ii
ii
_J
Figure24
ADJUSTMENTS
Shift Cable
If thefull rangeofspeeds(forwardandreverse)cannotbe achieved,
referto theFigure25andadjusttheshiftcableasfollows:
1. Placetheshiftleverin thefastestforwardspeedposition.
2. Loosenthehex nutontheshiftcableindexbracket.SeeFig.25.
3. Pivotthebracketdownwardtotakeupslack inthecable.
4. Retightenthehexnut.
Figure26
Chute Control
Thedistancesnowisthrowncanbe adjustedbyadjustingtheangleof
thechuteassembly.Refertothe Operationsectionforinstructions.
Theremotechutecontrolcableshavebeenpre-adjustedat thefactory.
Movethe remotechuteleveronthecontrolpanelforwardtopivotthe
upperchutedown;movetheleverrearwardtopivottheupperchute
up.
21
Wheel drive control
Refertothe Adjustmentsectionofthe Assemblyinstructionsto adjust
thewheeldrivecontrol.Tofurtherchecktheadjustment,proceedas
follows:
1. Withthe snowthrowertippedforward(be certainto runthe
fueltankdry beforetippingtheunitforward),removetheframe
coverunderneaththesnowthrowerbyremovingtheself-tapping
screws.SeeFig.27.
J
Figure27
Auger Control
RefertotheAssemblysectionforinstructionson adjustingtheauger
controlcable.
Skid Shoes
RefertotheAssemblysectionforinstructionson adjustingtheskid
shoes.
Tire Pressure
RefertotheAssemblysectionforinstructionson adjustingthetire
pressure.
BELT REPLACEMENT
Belt Removal Preparation
1. Removethechutecrankrodfromthechutecrankassemblyby
removingthe hairpinclip shownin Fig.29.Movethechutecrank
rodawayfromtheassemblyas shown.
Removethreeself-tapscrewson bothsidesof thetransmission
housingas showninFig.29.
2. Locatetheopeningbetweentheaxlesupportbracketand
thefrontframesupport(SeeFigure28). Lookingthroughthis
opening,withthe wheeldrivecontrolreleased,theremustbe
clearancebetweenthefrictionwheelandthe driveplateinall
positionsofthespeedselectorlever.
3. Withthewheeldrivecontrolengaged,thefrictionwheelmust
contactthedrive plate.SeeFigure28.
Drive -Axle Supp.
Plate Bracket
Opening
Figure29
3. Removethe plasticbeltcover,locatedneartheengine,by remov-
ing thethreeself-tappingscrewsthatsecureit.See Figure30.
Figure28
4. Ifthereisnofrictionwheelclearance,or thefrictionwheeldoes
notsolidlycontactthe driveplate,re-adjustthelocknuton the
lowerendof thedrivecablefollowingtheinstructionsinthe
Assemblysection.
5. Reassembletheframecover.
22
.
Loosentheboltshownin Figure31securingthebeltkeeper
bracketandremovetheotherbolt.Pushthebelt keeperand
bracketupoff theenginepulley.
Loosen
\
\
Figure31
Auger Belt Replacement
1. Removethebow-tieclipandflatwasherfromtheferrulein order
todisconnecttheaugeridlerrodfromthebrakebracketassem-
bly.SeeFigure32.
NOTE:Makesurethatthelocationof theferruleontheauger
idlerrodismaintained.
HairpinClip
Ferrule
AugerIdlerRod
z-fitting
J
Figure33
Placeablockof woodunderneaththeaugerhousingasshownin
Figure34 andseparateaugerhousingfromtheframebytiltingthe
housingforwardandpullingupthehandles.
Figure34
6. Blocktheimpellerwithapieceofwoodtopreventitfromspinning
andusea 1/2"wrenchtoremovethehexscrewandflatwasher
fromthecenterofthepulleyontheaugerhousing.SeeAinFig.35.
7. Liftthebrakebracketassemblyoutofthe pulleygroove(B in
Figure35)andslide thepulleyassemblyoff the postsoftheauger
pulleyadapter(C)to removetheoldbelt.
Figure32
2. Sliptheaugercontrolbelt (thefrontbelt) offtheenginepulley.
3. Pullthebrakebracketassemblytowardsthecableguideroller
andunhooktheaugercablez-fitting.SeeFigure33.
4. Frombothsidesof thethe frameassembly,usea 1/2"wrenchto
removethethreehextap screwssecuringthe frametothe auger
housingassembly.Referbackto Figure29.
NOTE:Do notremovethelowerhexflangelocknutoneachside.
23
NOTE:Thepulleyadaptermayslideoff theaugerinputshaft
whenremovingthepulley.Useextracautionto ensurethe
adapterdoesfalland/or getdamagedwhen removingthepulley.
.
Placethenewaugerbeltin theV-grooveof theaugerpulleyand
placethepulleyw/belt insidethebeltkeepers.
9.
Turnthepulleyasnecessaryto alignitsthreeslotsapproximately
withthepostsofthepulleyadapter,thenpivotthe brakebracket
assemblyawayfromthepulleygroove. Whilealigningthepulley
slotsandadapterposts,pushtheaugerpulleyfullyontothe
adapter.RefertoFigure35.Ensurethebrakepuckofthebrake
bracketassemblyalignsandisfullyseatedin thepulleygroove.
!
Brake
pterPost
J
Figure35
NOTE: If thepulleyadapterwasremovedwiththepulley,alignthe
splinesofthe pulleyadapterandaugerinputshaft,andpushthepulley
andadapterontotheinputshaft.Referto Figure35.
10. Slidethewasherontothehexscrewremovedearlierandapply
Loctite262to thethreadsofthehexscrew.
11. Insertthehexscrewthroughthepulleyassemblyandintothe
threadsofthe inputshaft.Torquethehexscrewto250-325in.
Ibs.to securetheaugerpulleyassemblyon the inputshaft.
12. Ifalsoreplacingthedrivebelt,proceedtothe"DriveBelt"instruc-
tions.If not,repositionthetransmissionframebackonto
theaugerhousing.
13. Installthedrivebeltontheenginepulley,re-connecttheauger
cablez-fittingandaugeridler rodferruletothebrakebracket.
Repositionand securetheenginepulleybeltguard,and re-install
thebeltcover.
NOTE:Makesureto removethepieceofwoodblockingtheimpeller.
Checktheaugerdrivebeltadjustment.Withthe augerclutchlever
inthedisengagedposition,thetopsurfaceofthenewbeltshouldbe
evenwiththeoutsidediameterofthe pulley.
Toadjust,disconnectferrulefrombrakebracketassembly.Thread
ferrulein(towardsidler)toincreasetensiononbelt,orout todecrease
belttension.
J
Figure36
2. Rollthedrivebeltoff thelowerdrivepulley.
3. Removethe beltfromtheenginepulley.
4. Installthe newbelton thepulleysinthe reverseorderand
re-tensionwiththeidlerpulley.
5. Reassemblebyperformingthepreviousstepsin theopposite
orderand mannerofremoval.
CHANGING FRICTION WHEEL
Therubberonthe frictionwheelissubjecttowearandshouldbe
checkedperiodically.Replacethefrictionwheelif anysignsofwearor
crackingarefound.
1. Runthe unit'sfueltankdry beforeperformingStep2. Donot
attempttopourfuel fromtheengine.
2. Tipthesnowthrowerupand forward,sothat it restsonthe
housing.
3. Removescrewsfromtheframecoverunderneaththesnow
thrower(referto Figure37).Removetherightwheelfromtheaxle.
NOTE:Thebrakepuckmustalwaysbefirmly seatedinthepulley
groovewhenaugercontrolisdisengaged.
IMPORTANT:Repeatthe"AugerDriveControlTest"fromthe As-
semblysectionbeforeoperatingsnowthrower.
Drive Belt Replacement
If notalreadydone,removetheaugerdrivebeltfromthefrontpulleyof
theenginedoublepulley.Referto "AugerBeltReplacement"instruc-
tionsintheprevioussub-section.
1. a.Pullthe idlerpulleyawayfromthe backsideofthedrivebeltto
relievethetension.SeeFigure36.
b.Slipthe drivebeltofftheidlerpulley. Carefullyreleasetheidler
pulley.
e
Figure37
24
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