Craftsman 24788033 Owner’s Manual

Operator's Manual
P R 0 F E S S I 0 N A L
33" SNOW THROWER
Model No. 247.88033
CAUTION: Before using this product, read this
manual and follow all
safety rules and operating
Sears, Roebuck and Co., Hoffman Estates, IL 60179, U.S.A.
Visit our website: www, craftsrnan.corn FORMNO.789-03348
,, SAFETY * ASSEMBLY
o OPERATION " MAINTENANCE
PARTS LiST ESPAI_OL
8/28/2007
WarrantyStatement..................................Page2
SafeOperationPractices.........................Pages3-4
SafetyLabels............................................Page5
Assembly..................................................Pages6-9
Operation..................................................Pages10-13
ServiceandMaintenance.........................Pages14-21
Two =Year Limited Warranty on Craftsman Snow Thrower
Whenassembled,operatedand maintainedaccordingtoallsuppliedinstructions,if thisCraftsmanproductfailsduetoadefectinmaterialor workmanshipwithintwoyearsfromthedateofpurchase,returnit toanySearsstore,SearsParts&RepairServiceCenteror otherCraftsman
outletinthe UnitedStatesforfreerepair.In-homewarrantyserviceisavailable,butyouwillhavetopaya tripcharge.
Thiswarrantycoversonly defectsinmaterialandworkmanship. Searswill NOTpayfor:
Expendableitemswhichbecomewornduringnormaluse,suchas skidshoes,shaveplateandsparkplugs.
Repairsnecessarybecauseof operatornegligence,includingbutnotlimitedto,electricalandmechanicaldamagecausedbyimproper
storage,bentcrankshafts,failuretousethepropergradeandamountofengineoil,orfailuretomaintaintheequipmentaccordingto all instructionscontainedsuppliedwiththeproduct.
Engine(fuelsystem)cleaningorrepairscausedbyfueldeterminedtobecontaminatedor oxidized(stale).Ingeneral,fuelshouldbeused within30 daysof itspurchasedate.
Off-SeasonStorage..................................Page22
TroubleShooting......................................Page23
PartsList...................................................Page24-34
RepairProtectionAgreement...................Page38
Espa_ol.....................................................Page39
ServiceNumbers......................................BackCover
Thiswarrantyappliesforonly90 daysif this productiseverusedforcommercialor rentalpurposes.
This warrantyappliesonlywhilethisproductis usedintheUnitedStates.
This warrantygivesyouspecificlegalrights,andyoumayalsohaveotherrightswhichvaryfromstateto state.
Sears, RoebuckandCo.,HoffmanEstates,IL 60179
EngineOil Type: SAE5W-30 EngineOil Capacity: 28 ounces
FuelCapacity: 4 Quarts SparkPlug: Champion@RJ19LM
SparkPlugGap: .030"
ModelNumber.................................................................
Serial Number.................................................................
Dateof Purchase.............................................................
Recordthemodelnumber,serialnumber
anddateof purchaseabove
©SearsBrands,LLC
which,if notfollowed,couldendangerthe personal
Thissymbolpointsoutimportantsafetyinstructions
safetyand/orpropertyof yourselfandothers.Read andfollowallinstructionsinthismanualbefore
attemptingtooperatethismachine.Failuretocomplywiththese
instructionsmayresultin personalinjury.Whenyousee thissymbol, HEEDITSWARNING!
This machinewasbuilttobeoperatedaccordingtothe rulesfor
safeoperationinthismanual.Aswithanytypeof powerequipment, carelessnessor erroronthepartoftheoperatorcanresultinserious
injury.Thismachineiscapableofamputatinghandsandfeetand throwingobjects.Failuretoobservethefollowingsafetyinstructions
couldresultinseriousinjuryor death.
Your Responsibility: Restricttheuseofthispowermachineto
personswhoread,understand,andfollowthewarningsand instruc-
tions inthismanualandonthemachine.
TRAINING
,, Read,understand,andfollowall instructionsonthe machineandin
the manual(s)beforeattemptingto assembleandoperate.Keepthis manualina safe placefor futureandregularreferenceandfor ordering replacementparts.
,, Befamiliarwith allcontrolsandtheirproperoperation.Knowhowto stop
the machineanddisengagethemquickly.
,, Neverallowchildrenunder14yearsoldto operatethismachine.Chil-
dren14yearsoldandovershouldreadandunderstandtheoperation instructionsandsafetyrulesinthis manualandshouldbetrainedand supervisedbya parent.
,, Neverallowadultstooperatethismachinewithoutproperinstruction.
Thrownobjectscancauseseriouspersonalinjury.Planyoursnow- throwingpatternto avoiddischargeofmaterialtowardroads,bystanders
andthe like.
,, Keepbystanders,helpers,petsandchildrenat least75feetfromthe
machinewhileitis in operation.Stopmachineif anyoneentersthearea.
,, Exercisecautiontoavoidslippingorfalling,especiallywhenoperatingin
reverse.
EngineExhaust,someofitsconstituents,andcertainvehicle componentscontainor emitchemicalsknownto StateofCaliforniato causecancerand birthdefectsorotherreproductiveharm.
PREPARATION
Thoroughlyinspecttheareawheretheequipmentisto beused.Removeall doormats,newspapers,sleds,boards,wiresandotherforeignobjects,which
couldbetrippedoverorthrownbythe auger/impeller.
Alwayswearsafetyglassesor eyeshieldsduringoperationandwhile performingan adjustmentor repairto protectyoureyes.Thrownobjects whichricochetcancauseserious injurytothe eyes.
Donotoperatewithoutwearingadequatewinteroutergarments.Donot wearjewelry,longscarvesor otherlooseclothing,whichcouldbecome entangledinmovingparts.Wearfootwearwhichwill improvefootingon
slipperysurfaces.
Useagroundedthree-wireextensioncordand receptacleforall units with electricstartengines.
Adjustcollectorhousingheighttocleargravelor crushedrocksurfaces.
Disengageall controlleversbeforestartingtheengine.
,, Neverattemptto makeanyadjustmentswhileengineisrunning,except
wherespecificallyrecommendedintheoperator'smanual.
,, Letengineandmachineadjustto outdoortemperaturebeforestartingto
clearsnow.
Safe Handling of Gasoline
Toavoidpersonalinjuryorpropertydamageuseextremecarein handling gasoline.Gasolineisextremelyflammableandthevaporsareexplosive.
Seriouspersonalinjurycanoccurwhengasolineisspilledonyourselforyour clothes,whichcan ignite.Washyourskinandchangeclothesimmediately. ,, Useonlyanapprovedgasolinecontainer.
Extinguishall cigarettes,cigars,pipesand othersourcesof ignition.
Neverfuelmachineindoors.
,, Neverremovegascapor addfuelwhilethe engineishotorrunning. ,, Allowenginetocoolat least two minutesbefore refueling.
Neveroverfillfueltank. Filltank to nomorethan Y2inchbelowbottomof fillernecktoprovidespaceforfuelexpansion.
Replacegasolinecapandtightensecurely.
Ifgasoline isspilled,wipeit offthe engineandequipment.Move
machineto anotherarea.Wait5 minutesbeforestartingtheengine.
Neverstorethe machineorfuelcontainerinsidewherethere isanopen flame,sparkor pilotlight(e.g.furnace,waterheater,spaceheater, clothesdryeretc.).
Allowmachinetocoolatleast5minutesbeforestoring.
OPERATION
Donotput handsorfeet nearrotatingparts,in theauger/impeller housingor chuteassembly.Contactwiththerotatingpartscanamputate handsand feet.
Theauger/impellercontrolleveris a safetydevice.Neverbypassits operation.Doingso makesthemachineunsafeandmaycausepersonal injury.
Thecontrolleversmustoperateeasilyin both directionsand automati- callyreturnto thedisengagedpositionwhen released.
Neveroperatewitha missingor damagedchuteassembly.Keepall safetydevicesin placeand working.
Neverrunan engineindoorsor in a poorlyventilatedarea.Engine exhaustcontainscarbonmonoxide,anodorlessanddeadlygas.
Donotoperatemachinewhileunderthe influenceof alcoholordrugs.
Mufflerand enginebecomehotand cancauseaburn.Donottouch.
Exerciseextremecautionwhenoperatingon orcrossinggravelsurfaces. Stayalertfor hiddenhazardsortraffic.
Exercisecautionwhenchangingdirectionand whileoperatingonslopes.
Planyoursnow-throwingpatterntoavoiddischargetowardswindows, walls,cars etc.Thus,avoidingpossiblepropertydamageor personal injurycausedbyaricochet.
Neverdirectdischargeatchildren,bystandersand petsorallowanyone infrontofthe machine.
Donotoverloadmachinecapacitybyattemptingto clearsnowattoofast ofa rate.
Neveroperatethis machinewithoutgoodvisibilityor light.Alwaysbe sureof your footingandkeepa firm holdonthe handles.Walk,never
run.
Disengagepowertothe auger/impellerwhentransportingor notinuse.
Neveroperatemachineat hightransportspeedsonslipperysurfaces. Lookdownand behindand usecarewhenbackingup.
Ifthe machineshouldstarttovibrateabnormally,stopthe engine, disconnectthesparkplugwireandgrounditagainstthe engine.Inspect thoroughlyfordamage.Repairanydamagebeforestartingandoperat- ing.
,, Disengageallcontrolleversandstopenginebeforeyou leavethe
operatingposition(behindthe handles).Waituntil the auger/impeller comesto a completestopbeforeuncloggingthechute assembly,making
anyadjustments,or inspections.
Neverputyourhandin the dischargeorcollectoropenings.Always usetheclean-out toolprovidedto unclogthedischargeopening.Do
notunclogchuteassemblywhileengineisrunning.Shutoffengine andremainbehindhandlesuntilallmovingpartshavestoppedbefore unclogging.
Useonlyattachmentsandaccessoriesapprovedbythe manufacturer (e.g.wheelweights,tirechains,cabs etc.).
Ifsituationsoccurwhicharenotcoveredinthismanual,usecareand goodjudgment.ContactyourSearsServiceCenterfor assistance.
MAINTENANCE & STORAGE
Nevertamperwithsafetydevices.Checktheir properoperation regularly.Referto the maintenanceandadjustmentsectionsofthis manual.
Beforecleaning,repairing,or inspectingmachinedisengageallcontrol leversandstoptheengine.Waituntilthe auger/impellercometoa
completestop.Disconnectthe sparkplug wireand groundagainstthe enginetopreventunintendedstarting.
Checkboltsandscrewsfor propertightnessatfrequentintervalsto keep
the machinein safeworkingcondition.Also,visuallyinspectmachinefor anydamage.
Donotchangetheenginegovernorsettingor over-speedthe engine.
Thegovernorcontrolsthe maximumsafeoperatingspeedofthe engine.
Snowthrowershaveplatesandskid shoesaresubjectto wearand
damage.Foryoursafetyprotection,frequentlycheckallcomponents andreplacewith originalequipmentmanufacturer's(OEM) partsonly.
"Useof partswhichdonotmeetthe originalequipmentspecifications
mayleadto improperperformanceandcompromisesafety!"
Checkcontrolsperiodicallytoverifytheyengage anddisengage properlyandadjust,if necessary.Refertothe adjustmentsectioninthis
operator'smanualfor instructions.
Maintainorreplacesafetyandinstructionlabels,as necessary.
Observeproperdisposallawsandregulationsforgas, oil,etc.to protect
the environment.
Priortostoring, runmachineafewminutestoclearsnowfrom machine
andpreventfreezeup of auger/impeller.
Neverstorethemachineorfuelcontainerinsidewherethere isan open
flame,sparkor pilotlightsuch asawaterheater,furnace,clothes dryer etc.
Alwaysrefertothe operator'smanualforproperinstructionson
off-seasonstorage.
Do not modify engine
Toavoidseriousinjuryor death,do notmodifyenginein anyway.Tampering withthegovernorsettingcan leadto arunawayengineandcauseitto operate
at unsafespeeds.Nevertamperwithfactorysettingofenginegovernor.
Notice Regarding Emissions Engineswhichare certifiedtocomplywithCaliforniaandfederalEPAemission
regulationsforSORE(SmallOffRoadEquipment)are certifiedto operateon regularunleadedgasoline,and mayincludethefollowingemissioncontrolsys-
tems:EngineModification(EM)andThreeWayCatalyst(TWO)if so equipped.
4
1.KEEPAWAYFROMROTATINGiMPELLER
ANDAUGER.CONTACTWiTHiMPELLEROR AUGERCANAMPUTATEHANDSANDFEET.
2. USECLEAN-OUTTOOLTOUNCLOG DISCHARGECHUTE.
3. DISENGAGECLUTCHLEVERS,STOPENGINE, ANDREMAINBEHINDHANDLESUNTILALL
MOVINGPARTSHAVESTOPPEDBEFORE UNCLOGGINGDRSERViCiNGMACHINE.
4. TOAVOIDTHROWNOBJECTSiNJURiES, NEVERDIRECTDISCHARGEATBYSTANDERS.
USEEXTRACAUTIONWHENOPERATINGON GRAVELSURFACES.
5. READOPERATOR'SMANUAL.
CLEAN-OUT TOOL
5
NOTE:Referencesto rightor leftsideofthesnowthrowerare determinedfrombehindtheunitintheoperatingposition(standing directlybehindthesnowthrower,facingthehandlepanel).
REMOVING FROM CRATE
1. Removescrewsfromthebottomofthecratesecuringthesides, andendsoftheshippingcrate.
2. Liftoffthe top offofthecrateandsetoutof the wayofthe assemblyarea.
3. Removeanddiscardplasticbagthatcoversunit.
4. Removeanyloosepartsincludedwithunit(i.e.,Operator's Manual,etc.).
5. Pushdownonthelowerhandleandpullunitbackoutofcrate.
6. Makecertainthecratehasbeencompletelyemptiedbefore discardingit.
ASSEMBLY
1. Makecertainthespringsat thelowerendoftheaugeranddrive cablesaresecurelyhookedintotheirrespectiveactuator bracketbeforepivotingthehandleupward.
a. Placetheshift leverintheF6 position. b. Removethelowerwingknobandcarriageboltfromeach
sideof theupperhandle.Pulluponupperhandleasshown in Fig.1.Alignupperhandlewiththelowerhandle.Again,
makecertainthespringsatthe lowerendoftheaugerand drivecablesaresecurelyhookedintotheir respective
actuatorbracket.Also,removeanyrubberbandssecuring thecablestothewingnuts.
2. a. Securetheupperhandleandlowerhandlewiththetwo wing
knobsandcarriageboltsremovedearlier.
b. Tightenthetwo wingknobsalreadyinstalledintheupper
holesto firmlysecuretheupperhandleandsupporttubes.
3. Aligntheupperandlowershiftrods,thenslidethe shiftrod
connectordownoverthe endofthe lowershiftrod.Tapthe connectoruntilthe lowerrodis completelythroughtheconnector.
SeeFig.2.
NOTE:If theconnectoris notproperlyassembled,theshiftrodwill pivotand youwillnotbe abletochangespeedsordirection.
Figure1
/
/.........
/
ii
J ii
J
Figure2
f
/
NOTE:If thefullrangeofspeeds(forwardandreverse)cannotbe achieved,refertothe"MakingAdjustments"section.
4. a. Cutthecabletie securingthechuteassemblytothelower
chutecrankrodfor shippingpurposes.
b. Removetheinternalcotterpinfromtheupperchutecrank.
Slidetheupperchutecrankintothesleeveon thelower
chutecrank.SeeFig.3.
c. Aligntheholeintheupperchutecrankwiththeholeinthe
sleeve(If necessary,usea pairofplierstoassistinaligning holes).Insertthe internalcotterpinthroughtheholesto securethechutecrank.SeeFig.3.
5. Removelocknutsandscrewssecuringoneoftheflangekeepers tothechuteassembly.
/
/
Figure3
6
6. PlacechuteassemblyontochutebaseasshowninFig.4, makingsurethatthenotchesengagewiththespiralendofchute
directionalcontrol.
7. Secureflangekeeperremovedearlierwithlocknutsandscrews. Tightendownnutssecuringtheothertwoflangekeepers.SeeFig.5.
8. If notalreadydone,slipthecablesthat runfromthe handle paneltothedischargechuteintothe cableguidelocatedontopof theengine.SeeFig.4.
9. If notalreadydone,wrapthewireoftheheadlampwireharness downthe righthandleuntilthewire canbepluggedintothe enginealternatorwireconnectordownon theengine.
10. Normallythecabletiesholdingthesteeringcablesagainstthe handlearelooselyinstalledoneachsideofthelowerhandleat thefactory.Pullthecabletiestightto secure.Cutthe excess
fromtheendsofcableties.
Theextensioncordisfastenedwitha cabletietotherearof theauger
housingforshippingpurposes.Cutthe cabletie andremoveitbefore operatingthesnowthrower.
SET-UP
Chute Clean=Out Tool Achute clean-out tool is fastenedtothetopoftheaugerhousing
withamountingclip.SeeFig.6. Thetoolisdesignedtocleara chute assemblyoficeandsnow.Thisitem,alongwiththeextensioncord,is
fastenedwitha cabletieatthefactory,whichyouwereinstructedto cut intheprevioussection.
Figure4
1i
ii
Neveruseyour handsto clearacloggedchuteassembly.Shut off engineandremainbehindhandlesuntilallmovingpartshave stoppedbeforeusingtheclean-outtoolto clearthechuteassembly.
Drift Cutters
1. Removethetwoscrewsandlocknutsthatsecureeachdrift cutter,andremovethemfromthesidesoftheaugerhousing.
2. Turnthedriftcuttersaroundandpositionthemasshownin Fig.7 totheoutsideofthe augerhousing.
\
Figure5
-=hule Clean-out Tool
Figure7
Figure6
7
3. Attachthedriftcutterswiththescrewsandlocknutsremoved earlier.
TirePressure
Beforeoperating,checktirepressure.Refertothetiresidewallfor exacttiremanufacturer'srecommendedor maximumpsi.
NOTE:Ifthetirepressureis notequalinbothtires,theunitmaynot travelinastraightpathandtheshaveplatemaywearunevenly.
ADJUSTMENTS
Skid Shoes
Thesnowthrowerskidshoesareadjustedupwardatthefactoryfor
shippingpurposes.Adjustthemdownward,if desired,priorto operat- ingthesnowthrower.
It is notrecommendedthatyouoperatethissnowthrowerongravel asitcaneasilypick upandthrowloosegravel,causingpersonal injuryor damagetothesnowthrowerandsurroundingproperty.
,, Forclosesnowremovalon a smoothsurface,raiseskidshoes
higherontheaugerhousing.
,, Usea middleorlowerpositionwhentheareatobeclearedis
uneven,suchasagraveldriveway
Figure8
NOTE:Ifyouchoosetooperatethesnowthroweronagravelsurface,
keeptheskidshoesinpositionformaximumclearancebetweenthe groundandtheshaveplate. Toadjusttheskidshoes:
1. Loosenthesix hexnuts(threeoneachside)andcarriagebolts. Moveskid shoestodesiredposition.SeeFig.8.
f
Chute Tilt
Auger Control --
Auger Control
Cable
Shift Lever
Drive
Drive Control Cable
z
J
Figure9
8
2. Makecertaintheentirebottomsurfaceofskidshoe isagainstthe groundtoavoidunevenwearontheskidshoes.
3. Retightennutsandboltssecurely.
Testing Auger Drive Control
Priortooperatingyoursnowthrower,carefullyreadandfollowall instructionsbelow.Performalladjustmentsto verifyyoursnow
throwerisoperatingsafelyandproperly.
Whentheaugercontrolisreleasedand inthedisengaged"up"posi-
tion,thecableshouldhaveverylittleslack,butshouldNOTbetight.
1. Ina well-ventilatedarea,startthesnowthrowerengineas instructedin theO_erationsection.Makesurethethrottle issetin
thefastposition_. ,
2. Whilestandingintheoperators position(behindthesnow thrower),engagethe augercontrolandallowthe augerto remain
engagedforapproximatelytensecondsbeforereleasingthe augercontrol.Repeatthisseveraltimes.
3. Withtheenginerunninginthefastposition_ andtheauger controlin thedisengaged"up"position,walktothefrontofthe
machine.Confirmthattheaugerhascompletelystoppedrotating andshowsnosignsof motion.
4. If theaugershowsanysignsof rotating,immediatelyreturntothe operator'spositionandshutoffthe engine.Waitforallmoving
partstostopbeforereadjustingtheaugercontrolcable.
Testing Drive Control & Shift Lever RefertoFig.9for locationof controls.
1. Movetheshiftleverintosixth(6)position.
2. Withthewheeldrivecontrolreleased,pushthesnowthrower forward,thenpullit back.The machineshouldmovefreely.
3. Engagethedrivecontrolandattempttomovethemachineboth forwardandback,resistanceshouldbefelt.
4. Movetheshiftleverintothefastreverse(R2)positionandrepeat theprevioustwosteps.
If youexperiencedresistancerollingtheunit,eitherwhenrepositioning theshiftleverfrom6toR2orwhenattemptingto movethemachine withthedrivecontrolreleased,adjustthedrive controlimmediately. SeeAdjustingDriveandAugerControls.
4
,,.,,
Figure10
f
Figure11
Adjusting Drive and Auger Controls
1. Frombeneaththehandle,pulldownwardon theappropriatecable andunhookthespringfoundontheendofthecablefromits respectiveactuatorbracket.RefertoFig.s9 and10.
2. Slidethespringupthecabletoexposethecablecouplerthreads andlocknut.Referto Fig.11.
3. If adjustingthedrivecable,threadthelocknutoutward(downthe coupler)tolengthenthecableandallowtheunittomovefreely whenthe controlis released.Threadthe locknutinward(upthe coupler)toshortenthecableto reduceslippageandpreventthe machinefrombeingeasilymovedwiththedrivecontrolengaged.
4. If adjustingtheaugercable,threadthelocknut downtolengthen thecableas necessarytostoptheaugerfromturningwhenthe controlis released.
Donotover-tightenthecable.Over-tighteningmaypreventtheauger I
Ifromdsengagngandcompromsethesafetyof the snowthrower. J
5,
Reattachthespringto therearmostholeintheactuatorbracket.
6.
Repeatthewheeldriveandaugercontrolteststo verifyproper adjustment.Repeatpreviousstepsifnecessarytoattainproper adjustmentofeachcable.
9
Headlk
GasCa
OilFill
Chute
Drift Assembl
Cutters
Augers
Nowthatyouhavesetupyoursnowthrower,it'simportanttobecome acquaintedwith itscontrolsandfeatures.RefertoFigure11.
s Shift LeverTwo_Way
Chute ControlTM
Auger Control
Control
Chute Directional Control
EngineControls
ElectricStarter /
. Switch /
Ignition =
Key
\
Choke
Control
Throttle/
Tool
SkidShoe
Figure11
NOTE:Donotturntheignitionkeyinan attempttostarttheengine. Doingso maycauseit tobreak.
Contr_t_
g
RecoilStarter
Handle
,J
SHIFT LEVER
Theshift leverislocatedon the rightsideofthehandlepanel. Placetheshift leverintoanyofeightpositionsto controlthe directionof travelandgroundspeed.
Forward Yoursnowthrowerhassix forward(F)speeds.Positionone(1)is t 2 Thechokecontrolisfoundontherearof theengineandisactivated
theslowestand positionsix (6) is thefastest. Reverse
Yoursnowthrowerhastwo reverse(R)speeds.One(1)is the slowerandtwo(2) is thefaster.
6 CHOKE CONTROL
I,,'l
FI
byrotatingthe knobclockwise.Activatingthechokecontrolclosesthe
chokeplateonthecarburetorandaidsinstartingtheengine.
R1
PRIMER
R2
IGNITION KEY
The ignitionkeyis a safety device. Itmust be fullyinsertedinorderfor the engine tostart. Remove the ignitionkey when thesnow throweris
not in use.
Depressingthe primerforcesfueldirectlyintotheengine'scarburetor
toaid incold-weatherstarting.
OIL FILL
Engineoil levelcanbecheckedandoiladdedthroughtheoil fill.
Meets ANSI Safety Standards
CraftsmanSnowThrowersconformto thesafetystandardoftheAmericanNationalStandardsInstitute(ANSI).
10
THROTTLE CONTROL
Thethrottlecontrolis locatedontherearof theengine.
It regulatesthespeedofthe engineandwillshutoff the enginewhenmovedintotheSTOPposition.
SKID SHOES
Positiontheskidshoesbasedon surfaceconditions.Adjust upwardforhard-packedsnow.Adjustdownwardwhen operatingongravelorcrushedrocksurfaces.
DRIVE CONTROL/AUGER CONTROL LOCK
f
DRIVE
CONTROL
RECOIL STARTER HANDLE
This handleisusedto manuallystarttheengine.
ELECTRIC STARTER BUTTON
Pressingtheelectricstarterbuttonengagestheengine's electricstarterwhenpluggedintoa 120Vpowersource.
ELECTRIC STARTER OUTLET
Requirestheuseofathree-prongoutdoorextensioncord(included) anda120Vpowersource/walloutlet.
AUGERS
Whenengaged,the augersrotateanddrawsnowintotheauger
housing.
CHUTE ASSEMBLY
Snowdrawnintotheaugerhousingisdischargedoutthechute assembly.
GAS CAP
Unthreadthegascap toaddgasolinetothefueltank.
AUGER CONTROL
S
@
Thedrivecontrolis locatedonthe righthandle.Squeezethecontrol gripagainstthehandletoengagethewheeldrive.Releaseto stop.
Thedrivecontrolalso locksthe augercontrolsoyoucanoperate thechutedirectionalcontrolwithoutinterruptingthesnowthrowing
process.If the augercontrolisengagedsimultaneouslywiththedrive control,the operatorcanreleasetheaugercontrol(onthelefthandle) andtheaugerswillremainengaged.Releaseboth controlstostopthe augersandwheeldrive.
NOTE:Alwaysreleasethedrivecontrolbeforechangingspeeds.
Failuretodoso willresultinincreasedwearonyourmachine'sdrive system.
TWO=WAY CHUTE CONTROL TM
Thedistancesnowis throwncanbechangedbyadjustingtheangle of thechuteassembly.Movethechutecontrolforwardtodecreasethe
distance,towardtherearto increase.
CHUTE DIRECTIONAL CONTROL
Thechutedirectionalcontrolislocatedontheleftsideofthesnow thrower.
,, Tochangethedirectioninwhichsnowisthrown,crankclockwise
todischargetotheleftandcounterclockwisetodischargetothe right.
Theaugercontrolislocatedonthe lefthandle.Squeezethe control
gripagainstthehandletoengagetheaugersandstart snowthrowing action.Releasetostop.
WHEEL STEERING CONTROLS
Theleftandrightwheelsteeringcontrolsarelocatedontheunderside of thehandles.Squeezetherightcontroltoturn right;squeezetheleft
controlto turnleft.
NOTE:Operatethesnowthrowerinopenareasuntilyouarefamiliar withthesecontrols.
HEADLIGHT
Theheadlightislocatedontopofthehandlepanel.It maybeadjusted
bylooseningthe screwson eachside of thelighthousing,pivotingthe
lightupor down,andretighteningthescrews.
DRIFT CUTTERS
Thedriftcuttersaredesignedforusein deepsnow.Theiruseis optionalfor normalsnowconditions.
11
CLEAN-OUT TOOL NOTE:Aplasticdustcapmaybefoundinsidethefuelfillopening.
Removeanddiscard,if present.
Neveruseyourhandstoclearacloggedchuteassembly.Shut off engineand remainbehindhandlesuntilallmovingpartshave stoppedbeforeunclogging.
Thechuteclean-outtoolis convenientlyfastenedto the rearofthe augerhousingwitha mountingclip.Shouldsnowandicebecome lodgedin the chuteassemblyduringoperation,proceedasfollowsto safelycleanthechuteassemblyandchuteopening:
1. ReleaseboththeAugerControlandthe DriveControl.
2. Stopthe enginebyremovingtheignitionkey.
3. Removetheclean-outtoolfromtheclipwhichsecuresittothe rearoftheaugerhousing.
4. Usetheshovel-shapedendof theclean-outtoolto dislodgeand scoopanysnowandicewhichhasformedin andnearthechute assembly.
5. Refastentheclean-outtoolto the mountingclipon therearof theaugerhousing,reinsertthe ignitionkeyandstartthesnow
thrower'sengine.
6. Whilestandingintheoperator'sposition(behindthesnow thrower),engagethe augercontrolforafewsecondsto clearany remainingsnowandicefromthechuteassembly.
BEFORE STARTING ENGINE
,, Alwaysfill thefueltankoutdoorsanduseafunnelorspoutto
preventspilling.
,, Fillfueltankwithclean,fresh,unleadedgasoline. ,, Neverfill thefuel tankcompletely.Fillthetanktowithin1/2"from
thetoptoprovidespaceforexpansionoffuel.
,, Makesuretowipeoff anyspilledfuelbeforestartingtheengine.
STARTING THE ENGINE
1. Attachsparkplugwire tosparkplug.Makecertainthe metal loopon theendof the sparkplugwire(insidethe rubberboot)is
fastenedsecurelyoverthe metaltip onthesparkplug.
2. Makecertainboththeaugercontrolanddrivecontrolarein the disengaged(released)position.
3. MovethrottlecontroluptoFAST_ position.Insertignitionkey
intoslot. Makesureitsnapsintoplace.Donotattemptto turn the key.
NOTE:Theenginecannotstartwithoutthekeyis fullyinsertedintothe ignitionswitch.
Electric Starter Determinethatyourhome'swiringis a three-wiregroundedsystem.
Askalicensedelectricianifyouarenotcertain.
Read,understand,andfollowall instructionsandwarningsonthe machineand inthis manualbeforeoperating.
Oil Theunit wasshippedwithoilintheengine.Checkoil levelbeforeeach
operationtoensureadequateoilintheengine.Forfurtherinstructions, referto the stepsonpage 16.
1. Removethedipstickfromtheoilfill.
2. Checkandmakesurethatthe levelofoil is upto theFULLmark onthedipstick.
3. If theoil levelis notupto FULL,pourfreshmotoroil(5W-30,with a minimumclassificationofSL/SJ)slowlythroughtheopening. Replaceoil fill dipstickandcheckoil levelagain.
Gasoline
Useextremecarewhenhandlinggasoline.Gasolineisextremely flammableandthevaporsareexplosive.Neverfuel themachine
indoorsorwhilethe engineishotor running.Extinguishcigarettes,
[c gars,ppesandothersourcesof gnt on. ,, Storegasolinein aclean,approvedcontainerandkeepthe capin
placeonthecontainer.
,, Makesurethatthe containerfromwhichyoupourthe gasolineis
cleanandfreefromrustor otherforeignparticles.
Theoptionalelectricstarteris equippedwithagroundedthree-wire powercordandplug,andis designedtooperateon120voltAC householdcurrent.It mustbeusedwith aproperlygroundedthree- prongreceptacleatall timestoavoidthepossibilityof electricshock. Followall instructionscarefullypriortooperatingtheelectricstarter.
Ifyouhavea groundedthree-prongreceptacle,proceedasfollows:
1. Plugtheextensioncordintothe outletlocatedontheengine's surface.Plugtheotherend of extensioncordintoathree-prong
120-volt,grounded,ACoutletinawell-ventilatedarea.
2. RotatechokecontroltoFULL I,.#'1chokeposition(foracold enginestart).
NOTE:If theengineis alreadywarm,placechokecontrolin theOFF positioninsteadofFULL IJl
3. Pushtheprimertwoor threetimesforcoldenginestart, making
sureto coverventholeinthecenterofthe primerwhenpushing.
NOTE:DO NOTuse primerto restartawarmengineafterashort
shutdown.
4. Pushstarterbuttontostartengine.
NOTE:Donotholdthebuttondownforlongerthanseven(7)seconds
ata time.Doingso maydamageyourengine'selectricstarter.
12
5. Oncetheenginestarts,releasestarterbutton.
6. Astheenginewarms,slowlyrotatechokecontrolto theOFF position.Iftheenginefalters,quicklyrotatechokecontrolbackto
FULL 14D"Ithenslowlyintothe OFFpositionagain.
7. Whendisconnectingthe extensioncord,alwaysunplugtheend atthethree-prongwalloutletbeforeunpluggingtheoppositeend
fromthesnowthrower.
Recoil Starter
1. Rotatechokecontrolto FULL IJl chokeposition(coldengine
start).
NOTE:Iftheengineisalreadywarm,placechokecontrolintheOFF position
2. Pushthe primertwoorthreetimesforcoldenginestart,making
NOTE:DONOTuseprimertorestartawarmengineafterashort shutdown.
NOTE:Additionalprimingmaybe necessaryifthetemperatureis below15°Fahrenheit.
insteadofFULLIJ|.
sureto coverventholeinthecenteroftheprimerwhenpushing.
NOTE:Whenselectinga DriveSpeed,usetheslowerspeedsuntil
youarecomfortableandfamiliarwiththeoperationofthesnow thrower.
2. Squeezethedrivecontrolagainstthehandlethe snowthrower will move.Releaseitanddrivemotionwillstop.
NOTE:NEVERrepositiontheshiftlever(changespeedsordirection of travel)withoutfirstreleasingthedrivecontrolandbringingthesnow throwertoa completestop.Doingso willresultin prematurewearto thesnowthrower'sdrivesystem.
TO ENGAGE AUGERS
1. Toengagetheaugersandstartthrowingsnow,squeezethe augercontrolagainstthelefthandle.Releasetostoptheaugers.
REPLACING SHEAR PiNS
Theaugersaresecuredto thespiralshaftwithtwoshearpinsandcot- terpins.if theaugershouldstrikea foreignobjector icejam,thesnow throwerisdesignedsothattheshearpinsmayshear.Iftheaugerswill
notturn,checkto seeifthepins havesheared.SeeFigure12.
3. Graspthe recoilstarterhandleandslowlypulltheropeout.Atthe pointwhereitbecomesslightlyhardertopullthe rope,slowly
allowthe ropetorecoil.
4. Pullthestarterhandlewitha firm,rapidstroke.Donotrelease thehandleandallowit tosnapback.Keepa firmholdonthe starterhandleandallowitto slowlyrecoil.
5. Astheenginewarms,slowlyrotatethechokecontroltotheOFF position.Iftheenginefalters,quicklyrotatethechokecontrol
backtotheFULL I,_1 positionandthenslowlyintotheOFF positionagain.
NOTE:Allowtheenginetowarmupfor afewminutesafterstarting.
Theenginewill notdevelopfullpoweruntilit reachesoperating
temperatures.
STOPPING THE ENGINE
Runenginefor a fewminutesbeforestoppingto helpdry off any moistureonthe engine.
Movethrottlecontrolto STOP1.position.
2. Removethe ignitionkeyandstoreinasafeplace.
3. Wipeallsnowandmoisturefromtheareaaroundtheengineas wellas the areainandaroundthedrivecontrolandaugercontrol. Also,engageandreleasebothcontrolsseveraltimes.
NEVERreplacetheaugershearpinswith anythingotherthanOEM PartNo.738-04124Areplacementshearpins.Anydamagetothe augergearboxorothercomponentsasaresultof failingtodoso will NOTbecoveredbyyoursnowthrower'swarranty.
Alwaysturnoffthe snowthrower'sengineand removethekeypriortc
replacingshearpins.
//
TO ENGAGE DRIVE
1. WiththethrottlecontrolintheFast_ position,moveshiftlever intooneofthesix forward(F)positionsor tworeverse(R)
positions.Selecta speedappropriatefor thesnowconditionsand a paceyou'recomfortablewith.
Figure12
13
ENGINE MAINTENANCE
Beforelubricating,repairing,orinspecting,disengageallcontrols
land stopengine.Waituntilall movingpartshavecometoacomplete [stop.
Checking Engine Oil
1. Besureengineisuprightandlevel
2. Unscrewoil fillcapfromoil fillertubeandwipedipstickclean.
3. Screwoil fillcapbackintooilfillertube.Tightensecurely.
4. Unscrewandremoveoilfillcapfromoilfiller tube.Noteoil level. ifoil readingondipstickisbelow"ADD"mark,slowlyaddoil to reach"FULL"level.SeeFigure13.
5. Screwoil fillcapbackintooilfillertube.Tightensecurely.
6. Wipeawayanyspilledoil.
f
FULL
Maintain oil level
between FULLand ADD
ADD
Changing Engine Oil Toavoidenginedamage,itisimportantto:
,, Checkoillevelbeforeeachuse andeveryfiveoperatinghours. ,, Changeoilafterfirst two (2)operatinghoursandevery25operat-
inghoursthereafter.
,, Engineshouldstillbewarmbut nothotfromrecentuse.
1. Locatetheoildrainplug.SeeFigure14.
2. Besurethegas cap isonandistightenedsecurely.
3. Cleanareaaroundoil drainplug.
4. Placeapprovedrecyclableoilcontainerunderoil drainplug.
5. Removeoildrainpluganddrainoil.
NOTE:Usedoil mustbedisposedof ata propercollectioncenter.
6. Installoildrain plugandtightensecurely.
7. Refilltheenginewithrecommendedoil. SeeRecommendedOil Usagechart.The engine'soilcapacityis28 ounces.
Recommended Oil Usage
I
Synthetic Multi Grade
_ SAE 0W-30
J
Figure13
f
Oil
',,_ _,
Figure14
8. Wipeawayanyspilledoil.
14
Checking Spark Plug Checksparkplugyearlyor every100operatinghours
1. Cleanareaaroundsparkplug.
2. Removeand inspectsparkplug.
3. Replacesparkplugif porcelainiscrackedorifelectrodesare pitted,burnedorfouledwithdeposits
4. Checkelectrodegapwitha feelergaugeandset gapto.030 (0.76ram)ifnecessary.SeeFigure15.
5. Reinstallsparkplugandtightensecurely.
NOTE:A resistorsparkplugmustbeusedforreplacement.Contacta SearsPartsand RepairCenterfora replacementsparkplug.
Carburetor If yoususpectyourcarburetorneedsadjusting,seea SearsPartsand
RepairCenter.Engineperformanceshouldnotbe affectedataltitudes upto7,000feet(2,134meters).Foroperationathigherelevations, contacta SearsPartsandRepairCenter.
Engine Speed
Avoidseriousinjuryordeath,DONOTmodifyengineinanyway. Tamperingwiththegovernorsettingcancausetheengineand equipmenttooperateat unsafespeeds.NEVERtamperwithfactory settingof enginegovernor.Runningtheenginefasterthanthespeed set at thefactoryisdangerous.
LUBRICATION
Drive and Shifting Mechanism Atleastoncea seasonorafterevery25hoursof operation,remove
rearcover.Lubricateall chains,sprockets,gears,bearings,shafts,and theshiftingmechanism.Useengineoil or aspraylubricant.Referto Figure16.
NOTE:Becarefulnotto getanyoilon thealuminumdriveplateor rubberfrictionwheel.Doingsowillhinderthesnowthrower'sdrive system.Wipeoff anyexcessorspilledoil.
II II
1..030 (.76ram)Gap
2. Electrodes Porcelain
f
••L.i,
Figure15
,,, <¢_._ , , ,
i,, _ ',, i
,,,, _,,,
,,,, _ ,,, _ [
i
,, ,_ [
f
Figure16
3
J
,ji
J
Wheels Atleastoncea season,removebothwheels.Cleanandcoattheaxles
withamultipurposeautomotivegreasebeforereinstallingwheels.
Chute Directional Control Oncea season,lubricatetheeyeboltbushingandthespiralwith
3-in-1oil.
Auger Shaft Atleastoncea season,removetheshearpinsonaugershaft.Spray
lubricantinsideshaft,andaroundthespacersandflangebearings foundat eitherendoftheshaft.SeeFigure17.
15
Figure 17
/ 7
/
/
J
SHAVE PLATE AND SKID SHOES
Theshaveplateandskidshoesonthe bottomofthesnowthrowerare subjectto wear.Theyshouldbecheckedperiodicallyandreplaced whennecessary.
Skid Shoes
NOTE:Theskidshoesonthismachinehavetwowearedges.When onesidewearsout,theycan berotated180° to usethe otheredge.
1. Removethesixcarriageboltsandhexnutsthatsecurethe two skidshoestothesidesoftheaugerhousing.RefertoFigure18.
2. Positionthenewskidshoesandsecurewiththecarriagebolts andhexnuts.Makecertaintheskidshoesareadjustedtobe
level.
Shave Plate
1. Removethe hexnutsandcarriageboltsthatsecuretheshave plateto the bottomof thehousing.
2. Removethe rearmosthexnutandcarriageboltsecuringthe back ofeachskidshoetothesidesofthehousing.Loosenthefour remaininghexnutssecuringthe skidshoes.
3. Slidetheshaveplateoutoftheoff-setslot at thebottomofthe housing,andfrombetweentheskidshoesandsidepanelsofthe housing.
4. Withthemountingholestowardthe back,slidethenewshave plateintopositionandsecurewith thefastenersremoved previously.
f --,,
Figure18
ADJUSTMENTS
Shift Rod If the fullrangeofspeeds(forwardandreverse)cannotbe achieved,
referto the figureto theleftandadjusttheshiftrodasfollows:
1. Lookingunderneaththehandlepanel,notewhichofthethree holesintheshiftlevertheferruleisinsertedinto.Also notethe
directionofinsertion.Thenremovetheinternalcotterpin andflat washerfromtheferruleandwithdrawtheferrulefromtheshift
lever.SeeFigure19.
2. Placeshift leverinsixth(6)positionor fastestforwardspeed.
3. Pushshift rodandshiftarmassemblydownsharplyas farasit willgo toput thedriveintothefastestforwardposition.
4. Asnecessary,rotatetheferruleupor downtheshiftroduntilthe ferrulelinesupwiththeholefromwhichitwasearlierremoved. SeeFigure19.
5. Fromthedirectionnotedearlier,inserttheferruleintotheproper hole.
6. Reinstallthewasherandtheinternalcotterpin.
Chute Control Thedistancesnowisthrowncanbeadjustedbyadjustingtheangleof
thechuteassembly.Referto theOperationsectionforinstructions. Theremotechutecontrolcableshavebeenpre-adjustedatthe factory.
Movetheremotechuteleveron thecontrolpanelforwardto pivotthe upperchutedown;movethe leverrearwardto pivottheupperchute
up.
\\
\
\ \
16
Drive Control RefertotheAdjustmentsectionoftheAssemblyinstructionsto adjust
thedrivecontrol.Tofurtherchecktheadjustment,proceedasfollows:
1. Withthesnowthrowertippedforward(becertaintodraingasoline orplaceplasticfilm underthegascapifthesnowthrowerhas
alreadybeenoperated),removetheframecoverunderneaththe snowthrowerbyremovingtheself-tappingscrews.
2. Locatetheopeningbetweentheaxlesupportbracketand thefrontframesupport(SeeFigure20). Lookingthroughthis opening,withthe drivecontrolreleased,theremustbeclearance betweenthefrictionwheelandthedriveplatein allpositionsof
theshiftlever.
3. Withthedrivecontrolengaged,thefrictionwheelmustcontact thedriveplate.SeeFigure20.
4. If thereis nofrictionwheelclearance,orthefrictionwheeldoes notsolidlycontactthedriveplate,re-adjustthelocknutonthe lowerendofthedrivecablefollowingtheinstructionsinthe Assemblysection.
5. Reassembletheframecover.
f --,,
Friction
Wheel
DriveN
Plate!
J
Figure20
NOTE:If youplacedplasticfilmunderthegascapearlier,removeit
now.
Chute Bracket If thespiralatthebottomofthechutedirectionalcontrolisnotfully
engagingwiththechuteassembly,thechutebracketcanbeadjusted.
Todoso:
1. Loosenthetwonutswhichsecurethechutebracketandreposi- tionitslightly.SeeFigure21.
2. Retightenthenuts.
Auger Control RefertotheAssemblysectionforinstructionsonadjustingtheauger
controlcable.
Skid Shoes RefertotheAssemblysectionforinstructionsonadjustingtheskid
shoes.
BELT REPLACEMENT
Belt Removal Preparation
1. Disconnectthechutecrankassemblyat the dischargechuteend byremovingthehairpinclipandtheflat washer.RefertoFigure
22.
f
/
J
Figure21
f
17
Figure22
....JJ
,/
j,
J
2. Removethe plasticbeltcover,locatedneartheengine,byremov- ingthethreeself-tappingscrewsthatsecureit.SeeFigure23.
3. Loosentheboltshownin Figure24securingthebeltkeeper bracketandremovetheotherbolt. Pushthe beltkeeperand bracketupofftheenginepulley.SeeFigure24.
Auger Belt Replacement
1. Removethe hairpinclipandflatwasherfromthe ferruleinorder todisconnecttheaugeridlerrodfromthe brakebracketassem- bly.SeeFigure25. NOTE:Makesurethatthe locationoftheferruleonthe auger
idlerrodis maintained.
2. Sliptheaugercontrolbelt(thefrontbelt)offtheenginepulley.
3. Pullthebrakebracketassemblytowardsthecableguideroller andunhooktheaugercable"Z"fitting.SeeFigure26.
4. Frombothsidesofthe the frameassembly,usea 1/2"wrenchto removethethreehex tapscrewssecuringtheframetothe auger
housingassembly.Referto Figure22on previouspage. NOTE:Do notremovethelowerhexflangelocknutoneachside.
5. Placeablockofwoodunderneaththe augerhousingasshownin Figure27andseparateaugerhousingfromtheframebytiltingthe housingforwardandpullingupthehandles.
6. Blockthe impellerwithapieceofwoodtopreventitfromspinning andusea 1/2"wrenchto removethehexscrewandflatwasher
fromthecenterofthe pulleyon the augerhousing.SeeFigure28.
7. Liftthebrakebracketassemblyoutofthepulleygrooveandslide thepulleyassemblyoffthe postsof theaugerpulleyadapterto removetheoldbelt.RefertoFigure28.
f --,,
/
/
Loosen
/
//
Figure24
i
,,J
Figure23
18
Figure25
f
/" /, //
// //
// ,/
/
J
Figure26
NOTE:Thepulleyadaptermayslideoffthe augerinputshaftwhen removingthepulley.Useextracautiontoensuretheadapterdoesfall and/orget damagedwhenremovingthepulley.
8,
Placethe newaugerbeltin the V-grooveof theaugerpulleyand placethe pulleyw/beltinsidethe beltkeepers.
9.
Turnthepulleyasnecessarytoalignitsthreeslotsapproximately withthepostsofthepulleyadapter,thenmovethe brakebracket
assemblyawayfromtheinputshaft. Whilealigningthe pulley slotsandadapterposts,pushtheaugerpulleyfullyontothe adapter.Referto Figure28.
NOTE: If thepulleyadapterwasremovedwiththepulley,alignthe splinesofthepulleyadapterandaugerinputshaft,andpushthepulley andadapterontothe inputshaft.Referto Figure28.
10. Slidethewasherontothehexscrewremovedearlierandapply Loctite262tothethreadsof the hexscrew.
11. Insertthe hexscrewthroughthepulleyassemblyandintothe
threadsoftheinputshaft.Torquethe hexscrewto 250-325in. /Ibs.tosecuretheaugerpulleyassemblyontheinputshaft.
12. Ifalso replacingthe drivebelt,proceedtothe"DriveBelt" instruction.Ifnot,repositionthetransmissionframebackonto
theaugerhousing.Installthedrivebelton theenginepulley, re-connecttheaugercable"Z"fittingandaugeridlerrodferrule tothebrakebracket.Repositionandsecuretheenginepulley beltguard,andre-installthe beltcover.
NOTE:Makesureto removethepieceofwoodblockingtheimpeller.
f
Adapter Post
Checktheaugerdrivebeltadjustment.Withtheaugerclutchlever inthedisengagedposition,thetopsurfaceofthenewbeltshouldbe
evenwiththeoutsidediameterof thepulley.
Toadjust,disconnectferrulefrombrakebracketassembly.Thread
ferrulein (towardsidler)toincreasetensiononbelt,orouttodecrease belttension.
NOTE:Thebrakepuckmustalwaysbefirmlyseatedinthe pulley groovewhenaugercontrolisdisengaged.
IMPORTANT:Repeatthe "AugerDriveControlTest"fromtheAs- semblysectionbeforeoperatingsnowthrower.
Drive Belt Replacement If notalreadydone,removethe augerdrivebeltfromthefrontpulleyof
theenginedoublepulley.Referto"AugerBeltReplacement"instruc- tionsinthe previoussub-section.
1. a.Pulltheidlerpulleyawayfromthebacksideofthedrivebelt to
relievethetension.SeeFigure29.
b.Slipthedrivebelt offtheidler pulley.Carefullyreleasetheidler
pulley.
2. Rollthedrivebeltoff thelowerdrivepulley.
3. Removethebeltfromtheenginepulley.
4. Installthenewbeltonthepulleysin thereverseorderand re-tensionwith theidlerpulley.
5. Reassemblebyperformingthepreviousstepsintheopposite orderandmannerof removal.
,ySlot
Figure28
// ,/ j
Figure29
19
CHANGING FRICTION WHEEL
Therubberonthefrictionwheelissubjecttowearandshouldbe checkedafterthefirst25hoursofoperation,andperiodicallythere- after.Replacethefrictionwheelifanysignsofwearorcrackingare
found.
1. Drainthegasolinefromthesnowthrower,or placeapieceof plasticunderthe gas cap.
2. Tipthesnowthrowerupandforward,sothat itrestsonthe housing.
3. Removescrewsfromtheframecoverunderneaththesnow thrower(referto Figure30). Removetherightwheelfromthe
axle.
4. Usinga 3/4"wrench,holdthe hex shaftandremovethe hex screwandbellevillewasherand bearingfromleft sideofthe frame.Referto Figure31.
5. Holdingthefrictionwheelassembly,slidethe hex shaftout of thefriction wheelassemblyandtherightside oftheframe.The spacerontheleftsideofthehexshaft will falland thesprocket shouldremainhanginglosein thechain.
6. Liftthefrictionwheelassemblyout betweentheaxleshaftand thedrive shaftassemblies.
7. Removefourscrewssecuringthefrictionwheeltothehub assembly(referto Figure32).Discardoldfrictionwheel.
8. Reassemblethenewfrictionwheelontothehubassembly, tighteningthefourscrewsin rotationandwithequalforce.It is
importanttoassemblethefrictionwheelsymmetricallyforproper functioning.
f --,,
{_ ?q ,gr
Figure30
f
RemoveHexScrew
BellevilleWasher
l,
FrictionWheelAss'y.
SlideHex ShaftOut
RightSide
2O
RexShaft
,J
Figure31
,J
Figure32
Loading...
+ 44 hidden pages