MTD 31BH97SJ799 Owner’s Manual

perator's nual
I:RRFrSMAN+
Electric Start
SNOW THROWER
Model No. 247.883980
CX
IES
,, SAFETY , 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.769-08169
(June 15,2012)
Warranty Statement .................................. Page 2
Safe Operation Practices .......................... Page 3
Safety Labels ............................................ Page 7
Assembly .................................................. Page 8
Operation .................................................. Page 14
Service and Maintenance ......................... Page 19
Off-Season Storage .................................. Page 27
Troubleshooting ........................................ Page 28
Parts List ................................................... Page 29
Repair Protection Agreement ................... Page 48
Espa_ol ..................................................... Page 49
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 material andworkmanship. 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 failuretomaintaintheequipmentaccordingtothe 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 resultinseriousinjurytotheoperatorand/ 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 leasttwo minutesbeforerefueling.
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 rotatingimpellerinsidethedischargechute
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)
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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:Referencesto rightorleft sideof thesnowthrowerare determinedfromthe operatingpositionlookingforwardtothe frontof
themachine.
REMOVING FROM CRATE
1. Removescrewsfromthebottomof thecratesecuringthesides, andendsof theshippingcrate.
2. Liftoff thetopoff ofthe crateandsetoutof thewayof the assemblyarea.
3. Removeanddiscardplasticbagthatcoversunit.
4. Removeanyloosepartsincludedwithunit(e.g.,Operator's Manual,etc.).
5. Pushdownonthelowerhandleandpullunitbackout ofcrate.
6. Makecertainthecratehas beencompletelyemptiedbefore discardingit.
ASSEMBLY
1. Makecertainthe springsatthelowerendofthe augeranddrive cablesaresecurelyhookedintotheir respectiveactuator bracketsbeforepivotingthehandleupward.Referto Fig. 10.
a. Placethe speedselectorshiftleverin theF6 position. b. Cutthecabletiesecuringthetwo piecechutecrankto the
lowerhandle.Thecable tieisusedforshippingpurposes.
c. Removethe upperwingknobandcarriageboltfromeach
sideof thelowerhandle.Pulluponupperhandleasshown in Fig.1.Alignupperhandlewiththelowerhandle.Again, makecertainthespringsat thelowerendoftheaugerand drivecablesaresecurelyhookedintotheirrespective actuatorbrackets.Also,removeanyrubberbandssecuring thecablesto thewingnuts.
Tightenthetwowingknobsalreadyinstalledinthe upper holesto firmlysecuretheupperhandleandsupporttubes. See Fig.2.
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Figure2
NOTE:Ifthe fullrangeofspeeds(forwardandreverse)cannotbe achieved,refertothe "MakingAdjustments"section.
Chute Directional Control
1. Removethehairpinclipfromthespiralcontrolas showninA of Fig.3.
2. Insertthechutedirectionalcontrolrodintothefittingonthe spiral controlas seeninBof Fig.3.
3. Securewiththe hairpinclippreviouslyremoved.SeeFig.3.
\
Figure1
2.
a.
Securethesupportbracket,upperhandleandlowerhandle
Figure3
withthetwo wingknobsandcarriageboltsremovedearlier. SeeFig.2.
8
Chute Assembly
1, Removelocknutsandscrewssecuringoneof theflangekeepers
tothe chuteassembly,Loosenthefastenersoftheothertwo flangekeepers,SeeFig,4,
2, Placechuteassemblyontochutebaseas showninFig,5,Make
surethatthe chutenotchesengagewiththespiralendofchute directionalcontrol,andthe twoflangekeepersarebeneaththe flangeonthe chutebase,
3, Secureflangekeeperremovedearlierwithlocknutsandscrews,
Tightendownnutssecuringtheothertwoflangekeepers.See Fig.4.
SET-UP
Chute Clean=Out Tool
Neveruseyourhandsto cleara cloggedchuteassembly.Shut offengineand remainbehindhandlesuntilall movingpartshave stoppedbeforeusingtheclean-outtooltoclearthechuteassembly,
A chuteclean-outtool is fastenedtothetop oftheaugerhousing witha mountingclip. SeeFig.6. Thetoolisdesignedtoclearachute assemblyofice andsnow.Thisitem,alongwiththeextensioncord,is fastenedwitha cabletieatthefactoryforshippingpurposes.Youmay
cut thecabletieatthistime.
Clean=out Tool
Figure4
.
If notalreadydone,slipthecablesthat runfromthehandle paneltothe dischargechuteintothecableguideontopof the engine.SeeFig.5.
.
Normallythecabletiesholdingthe steeringcablesagainstthe handlearelooselyinstalledoneachsideofthe lowerhandleat thefactory.Pullthecableties tighttosecure.Cuttheexcess
fromtheendsof cableties.
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Figure6
Drift Cutters
The snow thrower drift cutters are mounted inverted at the factory for shipping purposes.
1. Removethe four wing knobs (twooneachside)andcarriage bolts.Placedrift cutter in upright positionand re-secure.See Fig.7.
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Figure7
9
Shear Pins
A pairof replacementaugershearpinsandbowtiecotterpinshave
beenincludedwithyour snowthrower.Thereareholesprovidedinthe plasticdashpanelforconvenientstorageofthe shearpins.Pushthe pinsthroughtheholesin thedashpanelandsecurewiththebow-tie
cotterpins.See Fig.8.
theareais drybeforestartingtheengine.
Avoidrepeatedor prolongedcontactwithskinorbreath- ingofvapor.
Adding Fuel
Useextremecarewhenhandlinggasoline.Gasolineisextremely
flammableandthe vaporsareexplosive.Neverfuelthemachine
indoorsorwhile theengineishotor running.Extinguishcigarettes,
cigars,pipesandothersourcesofignition.
Alwayskeephandsandfeetclear ofequipmentmovingparts.Donot
usea pressurizedstartingfluid.Vaporsareflammable.
Cleanaroundfuel fillbeforeremovingcap tofuel.
Fuel Level Indicator
TopView
Figure8
Tire Pressure (Pneumatic Tires)
Underanycircumstancedo notexceedmanufacturer'srecom- mendedpsi.Equaltire pressureshouldbemaintainedatalltimes.
Excessivepressurewhenseatingbeadsmaycausetire/rim assemblytoburstwithforcesufficienttocauseseriousinjury.Refer to sidewalloftireforrecommendedpressure.
Thetirescan beover-inflatedforshippingpurposes.Checkthetire
pressurebeforeoperatingthesnowthrower. Refertothetiresidewall for rnanufactures'srecommendedpsianddeflate(or inflate)thetires as necessary.
NOTE:Equaltirepressureisto bemaintainedatalltimesforperfor-
mancepurposes.
Fuel Recommendations
Useautomotivegasoline(unleadedor lowleadedto minimizecombus- tionchamberdeposits)witha minimumof87 octane.Gasolinewith
upto 10%ethanolor15%MTBE(MethylTertiaryButylEther)canbe
used.Neverusean oil/gasolinemixtureordirtygasoline.Avoidgetting dirt, dust,or waterinthefueltank.DO NOTuseE85gasoline.
Refuelina well-ventilatedareawiththeenginestopped. Donot smokeorallowflamesor sparksinthearea
wherethe engineis rdueledor wheregasolineis
stored.
Donotoverfillthefueltank.Afterrefueling,makesure
thetankcap isclosedproperlyandsecurely.
Becarefulnottospillfuel whenrefueling.Spilledfuel
or fuelvapormayignite.Ifanyfuelis spilled,makesure
Figure9
2. A fuellevelindicatorislocatedinthe fueltank. Filltankuntilfuel reachesthefuel levelindictor,Figure9.Becarefulnottooverfill.
Checking Oil Level
Theengineis shippedwithoil in theengine.Youmust,however, checkthe oillevelpriorto operatingthesnowthrower.Runningthe enginewith insufficientoil cancauseseriousenginedamageand voidtheenginewarranty.
Someengineswillhavea quarter-turnoil fill/dipstickcap,othersmay havea threadedoilfill/dipstickcap.Followthe instructionsnextthat applyto yourenginemodel.
10
Checking Oil Level on Engines with Quarter=Turn Oil Fill Caps
NOTE:Besuretochecktheengineona levelsurfacewiththeengine stopped.
Toavoidenginedamage,itisimportantto:
Checkoillevelbeforeeachuseandevery5 operating hourswhenengineiswarm.Checkoillevelmore frequentlyduringenginebreak-in.
Keepoil levelbetween"H"and'%'marksondipstick. SeeFig.10.
Besureoil fillcap/plugistightenedsecurelywhen checking.
1. Removetheoil fillercap/dipstickandwipethedipstickclean.See Fig.10.
2. Insertthe cap/dipstickintotheoil fillerneck,andtightenthecap untilseated.
3. Removetheoil fillercap/dipstick.Ifthelevelislow,slowlyaddoil untiloil levelregistersbetweenhigh(H)andlow(L), Fig.10.
4. Replaceandtightencap/dipstickfirmlybeforestartingengine.
Checking Oil Level on Engines with threaded Oil
Fill Caps
NOTE:Besuretochecktheengineon a levelsurfacewiththeengine stopped.
Toavoidenginedamage,itis importantto:
Checkoillevelbeforeeachuseandevery5 operating hourswhenengineiswarm.Checkoil levelmore
frequentlyduringenginebreak-in.
Keepoillevelbetween"H"and"L"markson dipstick. SeeFig.11.
Besureoilfillcap/plugistightenedsecurelywhen
checking.
1. Removetheoilfillercap/dipstickandwipethedipstickclean.See Fig.11.
2. Insertthecap/dipstickintothe oilfillerneck,restingon the threads,butdo nottighten.
3. Removethe oilfillercap/dipstick.Ifthe levelislow,slowlyaddoil
untiloillevel registersbetweenhigh(H)andlow (L),Fig.11.
4. Replaceandtightencap/dipstickfirmlybeforestartingengine.
NOTE:Donotoverfill.Overfillingwithoil maycausesmoking,hard starting,or sparkplugfouling.
NOTE:DONOTallowoil leveltofallbelowthe"L"markonthe dipstick.Doingsomayresultinequipmentmalfunctionsordamage.
NOTE:Tochangethe oilonyourengine,seethe MaintenanceSec- tionof theengineoperator'smanualincludedwiththesnowthrower.
NOTE:Do notoverfill.Overfillingwithoil maycausesmoking,hard starting,or sparkplugfouling.
NOTE:DO NOTallowoil leveltofallbelowthe"L"markon the
dipstick.Doingsomayresultinequipmentmalfunctionsor damage.
NOTE:Tochangetheoil onyourengine,seethe MaintenanceSec-
tionof theengineoperator'smanualincludedwiththe snowthrower.
Figure10
Figure11
11
ADJUSTMENTS
Skid Shoes
Itisnot recommendedthatyouoperatethissnowthrowerongravel asit caneasilypickupandthrowloosegravel,causingpersonal injuryor damagetothesnowthrowerandsurroundingproperty.
Thesnowthrowerskidshoesareadjustedupwardatthefactory forshippingpurposes.Adjustthemdownwardpriortooperatingthe
machine. Forclosesnowremovalona smoothsurface,adjustthe skidshoesso
thattheshaveplateonthebottomof the augerhousingisjustoffthe ground.
Adjusttheskidshoesto alowerpositiontoraisetheshaveplateoff the groundwhenclearingunevenareas,suchas aribbontypedrivewayor agraveldriveway
NOTE:If youchoosetooperatethesnowthrowerona gravelsurface, keepthe skidshoesinpositionformaximumclearancebetweenthe groundandtheshaveplate.
To adjust the skid shoes:
1. Adjustskidshoesby looseningthesix(threeon eachside)hex nutsandcarriagebolts securingtheskidshoestotheauger housing. RefertoFigure12.
f
AUGER AND DRIVE CONTROL CABLES
Priortooperatingyoursnowthrower,carefullyreadandfollowall instructionsbelow.Performalladjustmentsto verifyyoursnow throwerisoperatingsafelyandproperly.
Testing Auger Drive Control Whenthe augercontrolisreleasedandinthedisengaged"up" posi-
tion,thecableshouldhaveverylittleslack,butshouldNOTbetight.
RefertoFig.13for locationof controls.
r c,.,o,,,co.,°,-.--.-] :[------,,,.Levo,
,.ge, & n. D,,vo
H '°°"°'
Auter (_}J__ Drive
Lower
Shave
ShavePlate
Figure12
2. Whileobservingthedistancebetweentheshaveplateand the ground,adjusttheskidsshoesupor downtoachievethedesired shaveplateheight.SeeFigure12.
3. Makecertaintheentirebottomsurfaceof skidshoesareagainst thegroundto avoidunevenwearontheskidshoes;thentighten nutsandboltssecurely.
Plate
Raise
Shave
Plate
Figure13
1. Ina well-ventilatedarea,startthesnowthrowerengineas instructedintheOperationsection.
2. Whilestandinginthe operator'sposition(behindthesnow thrower),engagetheaugercontrolandallowthe augerto remain engagedforapproximatelytensecondsbeforereleasingthe augercontrol.Repeatthisseveraltimes.
NOTE: When engaging the auger, you may hear a "chirp" sound. This
is normal, it is the belt engaging the pulley. As the belt wears, this sound will not be heard when engaging the auger.
3. Withtheenginerunningandthe augercontrolin thedisengaged "up"position,walktothe frontofthe machine.Confirmthatthe
J
augerhascompletelystoppedrotatingandshowsnosignsof motion.
4. Iftheaugershowsanysignsof rotating,immediatelyreturntothe operator'spositionandshutofftheengine.Waitforall moving partstostopbeforereadjustingthe augercontrolcable.
12
Testing Wheel Drive Control & Speed Selector Lever RefertoFig.13forlocationofcontrols.
1. Movethespeedselectorshiftleverintosixth(6)position.
2. Withthewheeldrivecontrolreleased,pushthesnowthrowerforward, thenpullitback.Themachineshouldmovefreely.
3. Engagethedrivecontrolandattempttomovethemachineboth forwardandback,resistanceshouldbefelt.
4. Movethespeedselectorshiftleverintothefastreverse(R2)position andrepeattheprevioustwosteps.
Ifyouexperiencedresistancerollingtheunit,eitherwhenrepositioning thespeedselectorshiftleverfrom6toR2orwhenattemptingtomovethe machinewiththedrivecontrolreleased,adjustthedrivecontrolimmedi- ately.SeeAdjustingDriveandAugerControls.
Adjusting Wheel Drive & Auger Controls
1. Frombeneaththehandle,pulldownwardontheappropriatecable andunhookthespringfoundontheendofthecablefromits respectiveactuatorbracket.RefertoFig.14.
J
Figure15
Ifadjustingthedrivecable,threadthelock nutoutward(downthe couplertowardstheend ofthethread)tolengthenthecableand allowthe unittomovefreelywhenthecontrolis released. Threadthe locknutinward(upthecouplertowardsthecable)to
shortenthecableto reduceslippageandpreventthemachine frombeingeasilymovedwiththedrive controlengaged.
Donotover-tightenthecable.Over-tighteningmaypreventtheauger shaftfromdisengagingandcompromisethesafetyofthesnowthrower.
b_ Rearwardmost holeof
\.. theactuator brackets .1)
Figure14
2. Slidethespringup thecableto exposethecablecouplerthreads andlocknut. Referto Fig.15.
Ifadjustingtheaugercable,threadthe locknutdownthecoupler
towardstheendofthe threadtolengthenthecableasnecessaryto
stoptheaugershaftfromturningwhenthecontrolis released.
4. Reattachthespringtothe rear-mostholeinthe actuatorbracket.
5. Repeatthewheeldriveandaugercontrolteststo verifyproper adjustment.Repeatpreviousstepsifnecessarytoattainproper adjustmentofeachcable.
13
"I- SpeedSelector '_
Lever
Drive 'Chute ControlTM
Control
Headli_
ChuteAssembly
WheelSteeringControl
Drift Cutters '_
Clean-outTool
Augers
\Auger
Housing
f
SkidShoes
Nowthat youhavesetupyoursnowthrower,it'simportanttobecome acquaintedwith itscontrolsandfeatures.RefertoFigure16.
SPEED SELECTOR SHIFT LEVER
Thespeedselectorshiftleveris locatedontherightside ofthe handlepanel.Placethespeedselectorshiftlever intoany ofeightpositionstocontrolthedirectionoftravel andgroundspeed.
Forward Yoursnowthrowerhassixforward(F) speeds.Position
one(1)isthe slowestand positionsix(6) isthefastest. Reverse
Yoursnowthrowerhastwo reverse(R)speeds.One(1)is theslowerandtwo (2) isthefaster.
6 5 4 3
t 2
F1 R1
Chute
Directional
Control
Oil Filler
Cap/Dipstick
PrimerKey
Throttle
OilDrain
Figure16
CHOKE CONTROL
Thechokecontrolisfoundon therearofthe engineand isactivatedbyrotatingtheknob
counter-clockwise.Activatingthechokecontrol closesthe chokeplateon thecarburetorandaids in startingtheengine.
KEY
Thekeyis asafetydevice.It mustbefullyinserted in orderfortheengineto start.Removethekey
whenthe snowthroweris notinuse.
NOTE:Donotturnthekeyinan attempttostart theengine.Doingsomaycauseit tobreak.
Electric
Start
Button
Electric Starter Outlet
RecoilStarter Handle
J
R2
Meets ANSI Safety Standards
CraftsmanSnowThrowersconformto thesafetystandardoftheAmericanNationalStandardsInstitute(ANSI).
14
ThrottleControl
GAS CAP
Unthreadthe gascapto addgasolinetothefueltank.
OIL DRAIN
Engineoil canbedrainedthroughtheoildrain.
Thethrottlecontrolis locatedontherearoftheengine,it regulatesthe speedof theengineandwillshutofftheenginewhenmovedintothe STOPposition.
PRIMER
Depressingtheprimerforcesfuel directlyintotheengine'scarburetor toaidin cold-weatherstarting.
Engineoil levelcanbecheckedandoiladded
OIL FILL I _Tp_._-
throughtheoilfill. |
RECOIL STARTER HANDLE
Thishandleisusedto manuallystarttheengine.
ELECTRIC STARTER BUTTON
Pressingtheelectricstarterbuttonengagestheengine'selectric starterwhenpluggedintoa 120Vpowersource.
ELECTRIC STARTER OUTLET
Requirestheuseof athree-prongoutdoorextensioncord(included) anda 120Vpowersource/walloutlet.
AUGERS
Whenengaged,theaugersrotateanddrawsnowintotheauger housing.
DRIVE CONTROL/AUGER CONTROL LOCK
f
DRIVE
CONTROL
Thewheeldrivecontrolis locatedonthe righthandle.Squeezethe controlgrip againstthe handletoengagethe wheeldrive.Release to stop.TheWheeldrivecontrolalsolockstheaugercontrolsoyou canoperatethechutedirectionalcontrolwithoutinterruptingthe snow throwingprocess.Iftheaugercontrolis engagedsimultaneouslywith thewheeldrivecontrol,theoperatorcanreleasetheaugercontrol(on theleft handle)andtheaugerswillremainengaged.Releaseboth controlsto stoptheaugersandwheeldrive.
NOTE:Alwaysreleasethewheeldrivecontrolbeforechanging speeds.Failuretodo sowillresultinincreasedwearonyourmachine's
drivesystem.
TWO-WAY CHUTE CONTROL TM
CHUTE ASSEMBLY
Snowdrawnintotheaugerhousingisdischargedout thechute assembly.
AUGER CONTROL
f
AUGER
CONTROL
Theaugercontrolis locatedontheleft handle.Squeezethecontrol gripagainstthehandleto engagetheaugersandstartsnowthrowing action.Releasetostop.
Thetwo-waychute-pitchcontrolislocatedonthe left sideofthe
handlepanelandisusedto controlthedistanceofsnowdischarge
fromthechute. * Tochangetheupperchuteangleto controlthedistancethat
snowisthrown,pivottheleverforwardor backward.
* Movetheleverforwardtopivotthe upperchutedownand reduce
thedistancesnowisthrown.
* Movethelever rearwardtopivotthe upperchuteupwardand
increasethedistancesnowisthrown.
CHUTE DiRECTiONAL CONTROL
DISCHARGE_ DISCHARGE
CH UTE TILT
DOV_N
!
CH UTE TILT
UP
15
J
NOTE:Toincreaseordecreasethetensiononthe two-waychute control,tightenorloosenthewing knobonthechuteassembly.
BEFORE STARTING ENGINE
CHUTE DIRECTIONAL CONTROL
Thechutedirectionalcontrolislocatedon theleftsideof thesnow thrower.
Tochangethedirectioninwhichsnowis thrown,crankclockwiseto dischargeto theleftandcounterclockwiseto dischargeto theright.
SKID SHOES
Positiontheskidshoesbasedon surfaceconditions.Adjustupward forhard-packedsnow.Adjustdownwardwhenoperatingongravelor
crushedrocksurfaces.
WHEEL STEERING CONTROLS
Theleftandrightwheelsteeringcontrolsarelocatedonthe underside ofthe handles.Squeezetherightcontroltoturn right;squeezethe left
controltoturn left. NOTE:Operatethesnowthrowerinopenareasuntilyou arefamiliar
withthesecontrols.
HEADLIGHT
Theheadlightislocatedinsideofthe handlepanel.
DRIFT CUTTERS
Thedrift cuttersaredesignedforuseindeepsnow.Theiruseis optionalfornormalsnowconditions.Maneuverthesnowthrowerso thatthecutterspenetrateahighstandingsnowdrifttoassistsnow fallingintotheaugersforthrowing.
Read,understand,andfollowall instructionsand warningsonthe
machineandinthis manualbeforeoperating.
Oil Theunitwasshippedwithoilin theengine.Checkoillevelbeforeeach
operationtoensureadequateoil inthe engine.Forfurtherinstructions,
refertotheService& Maintenancesectionofthis manual.
NOTE:Besuretochecktheengineona levelsurfacewiththeengine stopped.
1. Removetheoilfillercap/dipstickandwipethedipstickclean.
2. Insertthecap/dipstickintotheoil fillerneck,andtightenthecap turningclockwiseuntilcap isseated.
NOTE:Onsomeengines,athreadedscrewcapwillbe present insteadofthe quarterturnlockingcap.Intheinstanceofa threadedoilcap/dipstick,DONOTscrewthecap/dipstickinto check.Checktheoil byrestingthecap/dipstickonthethreads, butnot screwingitin.
.
Removetheoilfiller cap/dipstick.Ifthelevelis low,slowlyadd
oil (5W-30,witha minimumclassificationofSF/SG)untiloil level
registersbetweenhigh(H)andlow (L).
NOTE:Donotoverfill.Overfillingwithoil mayresultinenginesmoking, hardstartingor sparkplugfouling.
4. Replaceandtightencap/dipstickfirmlybeforestartingengine
Gasoline
CLEAN-OUT TOOL
Thechuteclean-outtoolisconvenientlyfastenedtotherearof the augerhousingwitha mountingclip.Shouldsnowandicebecome lodgedin thechuteassemblyduringoperation,proceedasfollowsto safelycleanthechuteassemblyandchuteopening:
Neveruseyourhandsto cleara cloggedchuteassembly.Shut offengineand remainbehindhandlesuntil all movingpartshave stoppedbeforeunclogging.
1. Releaseboththe AugerControlandtheWheeldrivecontrol.
2. Stopthe enginebyremovingthekey.
3. Removetheclean-outtoolfromtheclipwhichsecuresit tothe rearofthe augerhousing.
4. Usetheshovel-shapedendof theclean-outtooltodislodgeand scoopanysnowandicewhichhasformedinandnearthechute assembly.
5. Refastentheclean-outtooltothemountingclipontherearof the augerhousing,reinsertthe keyandstartthesnowthrower'sengine.
6. Whilestandinginthe operator'sposition(behindthesnow thrower),engagetheaugercontrolfora fewsecondstoclearany remainingsnowandice fromthechuteassembly.
Useextremecarewhenhandlinggasoline.Gasolineis extremely flammableandthevaporsare explosive.Neverfuelthemachine indoorsorwhiletheengineis hotor running.Extinguishcigarettes, cigars,pipesandothersourcesof ignition.
Useautomotivegasoline(unleadedor lowleadedto minimizecombus- tionchamberdeposits)witha minimumof87 octane.Gasolinewith up to 10%ethanolor15%MTBE(MethylTertiaryButylEther)canbe used.Neverusean oil/gasolinemixtureordirtygasoline.Avoidgetting dirt, dust,or waterinthefueltank.DO NOTuseE85gasoline.
Refuelina well-ventilatedareawiththeenginestopped.Donot
smokeorallowflamesor sparksintheareawheretheengineis
refueledor wheregasolineisstored.
Donotoverfillthefueltank.After refueling,makesurethetank
capis closedproperlyandsecurely.
Becarefulnotto spillfuel whenrefueling.Spilledfuelorfuelvapor
mayignite.Ifanyfuelis spilled,makesuretheareaisdrybefore startingthe engine.
Avoidrepeatedor prolongedcontactwithskinorbreathingofvapor
1. Cleanaroundfuelfillbeforeremovingcaptofueltopreventdebris fromenteringfueltank..
2. A fuellevelindicatorislocatedinthe fueltank. Filltankuntilfuel reachesthefuel levelindictor.SeeFigure10inset.Becarefulnot
tooverfill.
16
STARTING THE ENGINE Recoil Starter
Alwayskeephandsandfeetclearofmovingparts.Donot usea
pressurizedstartingfluid.Vaporsareflammable.
NOTE:Allowtheengineto warmupfora fewminutesafterstarting. Theenginewill notdevelopfullpoweruntilit reachesoperating temperatures.
1. Makecertainboththe augercontrolandwheeldrivecontrolare in thedisengaged(released)position.
2. Insertkeyintoslot.Makesureit snapsinto place.Donotattempt toturnthekey.
NOTE:The enginecannotstartwithoutthekeyfullyinsertedintothe ignitionswitch.
Electric Starter
Theoptionalelectricstarterisequippedwithagroundedthree-wire
powercordandplug,andis designedtooperateon 120voltAC householdcurrent.Itmustbeusedwithaproperlygroundedthree- prongreceptacleatalltimesto avoidthepossibilityof electricshock. Followallinstructionscarefullypriortooperatingtheelectricstarter.
Determinethatyourhome'swiringisathree-wiregroundedsystem. Aska licensedelectricianif youarenotcertain.
If youhaveagroundedthree-prongreceptacle,proceedasfollows:
1. Plugtheextensioncordinto theoutletlocatedonthe engine's surface.Plugtheotherendofextensioncordintoathree-prong
120-volt,grounded,ACoutletin awell-ventilatedarea.
2. Movethrottlecontrolto FAST(rabbit)_ position.
3. Movechoketothe CHOKEpositionI,._1 (coldenginestart). NOTE:Ifthe engineisalreadywarm,placechokecontrolinthe
RUNpositioninsteadof CHOKEIJl position.
4. Pushprimerthreetimes(3x),makingsureto coverventholein primerbulbwhen pushing.If engineis warm,pushprimeronly once.Alwayscoverventholewhenpushing.Coolweathermay requireprimingtobe repeated.
5. Pushstarterbuttontostart engine.Oncetheenginestarts,im- mediatelyreleasestarterbutton.Electricstarterisequippedwith thermaloverloadprotection;systemwilltemporarilyshut-downto
allowstartertocool ifelectricstarterbecomesoverloaded.
Toprolongstarterlife,useshortstartingcycles(5 secondsmaximum thenwaitoneminute).
6. Astheenginewarms,slowlyrotatethe chokecontroltothe RUN position.Ifthe enginefalters,restartengineandrunwithchoke athalf-chokepositionfora shortperiodoftime,andthenslowly rotatethechokeintothe RUNposition.
7. Afterengineisrunning,disconnectpowercordfromelectric starter.Whendisconnecting,alwaysunplugtheendatthewall outletbeforeunpluggingtheoppositeendfromtheengine.
Donot pullthestarterhandlewhile theenginerunning.
1. Movethrottlecontrolto FAST(rabbit)_ position.
2. MovechoketotheCHOKEIJl position'_'(coldenginestart).If engineiswarm,placechokeinthe RUNposition.
3. Pushprimerthreetimes,makingsuretocoverventholewhen
pushing.If engineiswarm,pushprimeronlyonce.Alwayscover
ventholewhenpushing.Coolweathermayrequireprimingto be
repeated.
4. Pullgentlyonthestarterhandleuntilit beginsto resist,thenpull quicklyandforcefullytoovercomethecompression.Engineshould
start.Donot releasethehandleandallowitto snapback.Return ropeSLOWLYtooriginalposition.Ifrequired,repeatthisstep.
5. Astheenginewarms,slowlyrotatethe chokecontroltotheRUN
position.Ifthe enginefalters,restartengineand runwithchoke
at half-chokepositionfora shortperiodoftime,andthenslowly
rotatethechokeintotheRUNposition.
Toavoidunsupervisedengineoperation,neverleavethemachine unattendedwiththeenginerunning.Turntheengineoffafteruseand
removekey.
STOPPING THE ENGINE
Afteryouhavefinishedsnow-throwing,runenginefora fewminutes
beforestoppingto helpdry off anymoistureon the engine.
1. Movethrottlecontrolto STOPI_ position.
inc. Backfireoren( occur.
2. Removethekey.Removingthekeywillreducethepossibilityof
unauthorizedstartingof theenginewhileequipmentisnotinuse. Keepthekeyinasafeplace.Theenginecannotstartwithoutthekey.
3. Wipeallsnowandmoisturefromtheareaaroundtheengineas wellas theareain andaroundthewheeldrivecontrolandauger control.Also,engageand releasebothcontrolsseveraltimes.
TO ENGAGE WHEEL DRIVE
1. Withthethrottlecontrolinthe Fast(rabbit)_ position,move speedselector leverintooneofthesixforward(F)positionsor
two reverse(R) positions.Selecta speedappropriatefor the
snowconditionsanda paceyou'recomfortablewith. NOTE: WhenselectingaDriveSpeed,usetheslowerspeeds
untilyouarecomfortableandfamiliarwiththeoperationofthe snowthrower.
2. Squeezethe drivecontrolagainstthehandleandthesnow throwerwillmove.Releaseitanddrive motionwill stop.
NOTE:NEVERrepositionthespeedselectorlever(changespeedsor directionoftravel)withoutfirstreleasingthedrivecontrolandbringing thesnowthrowertoa completestop.Doingsowillresultin premature wearto thesnowthrower'sdrivesystem.
17
TO ENGAGE AUGER
1. Toengagetheaugerandstartthrowingsnow,squeezetheauger controlagainstthelefthandle.Releaseto stoptheaugers.
REPLACING SHEAR PINS
Theaugersaresecuredtothe spiralshaftwithshearpinsandbow-tie cotterpins.Ifthe augershouldstrikeaforeignobjector icejam,the snowthrowerisdesignedsothatthe pinsmayshear.If theaugerswill notturn,checkto seeifthepinshavesheared.SeeFigure17.
NOTE:Twoextrashearpinsare suppliedinthemanualbag.
NEVERreplacetheaugershearpinswithanythingotherthanOEM PartNo.738-04155replacementshearpins.Anydamagetothe
Iaugergearboxor othercomponentsas,a resultoffailingtodo sowill [NOTbe coveredbyyoursnowthrowerswarranty.
Alwaysturnoff thesnowthrower'sengineand removethekeypriorto replacingshearpins.
f-
Figure17
18
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 nearest SearsService Centeror toscheduleservice,simplycontactSearsat
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.
19
f
Oil Drain
Plug
Figure19
Usedoil isa hazardouswasteproduct.Disposeof usedoilproperly. 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. The engine's oilcapacity is 37
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 istobe reused.
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.
2O
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.
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.
Wheels At leastonceaseason,removebothwheels.Cleanandcoattheaxles
witha multipurposeautomotivegreasebeforereinstallingwheels.
Chute Directional Control
Onceaseason,lubricatetheeyeboltbushingandthespiralwith3-in-1 oil.
Auger Shaft At leastonceaseason,oneatatime, removeallof theshearpins
fromthe augershaft.Spraylubricantinsidethehubofeachauger 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.
i i I ii
i Shear Pins ii:i " Vent Plug Grease Fitting
Aluminum
Drive
Wheel Axle Support Bracket
/ .............
Bow-Tie Pins Spacers
Figure23
Figure22
21
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.
0
Figure24
ADJUSTMENTS
Shift Cable If thefull rangeofspeeds(forwardandreverse)cannotbeachieved,
referto theFigure25andadjusttheshiftcableasfollows:
1. Placetheshiftleverin thefastestforwardspeedposition.
2. Loosenthehex nuton theshiftcableindexbracket.SeeFig.25.
3. Pivotthebracketdownwardtotakeupslack inthecable.
4. Retightenthehexnut.
Figure26
Chute Control
Thedistancesnowisthrowncanbe adjustedbyadjustingtheangleof thechuteassembly.Refertothe Operationsectionforinstructions.
Theremotechutecontrolcableshavebeenpre-adjustedat thefactory.
Movethe remotechuteleveronthecontrolpanelforwardtopivotthe upperchutedown;movetheleverrearwardtopivottheupperchute
up.
22
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.
f
Figure28
4. Ifthereisnofrictionwheelclearance,or thefrictionwheeldoes notsolidlycontactthe driveplate,re-adjustthelocknuton the
lowerendof thedrivecablefollowingtheinstructionsinthe Assemblysection.
5. Reassembletheframecover.
23
.
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.
24
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.
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