Toro 37793 User guide

Toro
Brand
Toro
Model
37793
Category
Snow throwers
Type
User guide
FormNo.3415-760RevA
PowerMax
®
824OESnowthrower
ModelNo.37793—SerialNo.400000000andUp
Operator'sManual
Introduction
Thismachineisintendedtobeusedbyresidential
homeowners.Itisdesignedprimarilyforremoving
snowfrompavedsurfaces,suchasdrivewaysand
sidewalks,andothersurfacesfortrafconresidential
orcommercialproperties.Itisnotdesignedfor
removingmaterialsotherthansnow.
Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoid
injuryandproductdamage.Youareresponsiblefor
operatingtheproductproperlyandsafely.
YoumaycontactT orodirectlyatwww.Toro.com
forproductsafetyandoperationtrainingmaterials,
accessoryinformation,helpndingadealer,orto
registeryourproduct.
Wheneveryouneedservice,genuineT oroparts,or
additionalinformation,contactanAuthorizedService
DealerorToroCustomerServiceandhavethemodel
andserialnumbersofyourproductready.Figure1
identiesthelocationofthemodelandserialnumbers
ontheproduct.Writethenumbersinthespace
provided.
Important:Withyoursmartphoneortablet,scan
theQRcodeontheserialnumberdecaltoaccess
warranty,parts,andotherproductinformation.
g217465
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafety-alertsymbol
(Figure2),whichsignalsahazardthatmaycause
seriousinjuryordeathifyoudonotfollowthe
recommendedprecautions.
g000502
Figure2
1.Safety-alertsymbol
©2017—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Registeratwww.Toro.com.
OriginalInstructions(EN)
PrintedintheMexico
AllRightsReserved
*3415-760*A
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.
WARNING
CALIFORNIA
Proposition65Warning
Thisproductcontainsachemical
orchemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orreproductiveharm.
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Important:Ifyouareusingthismachineabove
1500m(5,000ft)foracontinuousperiod,ensure
thattheHighAltitudeKithasbeeninstalled
sothattheenginemeetsCARB/EPAemission
regulations.TheHighAltitudeKitincreases
engineperformancewhilepreventingspark-plug
fouling,hardstarting,andincreasedemissions.
Onceyouhaveinstalledthekit,attachthe
high-altitudelabelnexttotheserialdecalonthe
machine.ContactanyAuthorizedToroService
DealertoobtaintheproperHighAltitudeKitand
high-altitudelabelforyourmachine.Tolocate
adealerconvenienttoyou,accessourwebsite
atwww.Toro.comorcontactourToroCustomer
CareDepartmentatthenumber(s)listedinyour
EmissionControlWarrantyStatement.Remove
thekitfromtheengineandrestoretheengineto
itsoriginalfactorycongurationwhenrunningthe
engineunder1500m(5,000ft).Donotoperatean
enginethathasbeenconvertedforhigh-altitude
useatloweraltitudes;otherwise,youcould
overheatanddamagetheengine.
Ifyouareunsurewhetherornotyourmachinehas
beenconvertedforhigh-altitudeuse,lookforthe
followinglabel(Figure3).
decal127-9363
Figure3
ItisaviolationofCaliforniaPublicResourceCode
Section4442or4443touseoroperatetheengineon
anyforest-covered,brush-covered,orgrass-covered
landunlesstheengineisequippedwithaspark
arrester,asdenedinSection4442,maintainedin
effectiveworkingorderortheengineisconstructed,
equipped,andmaintainedforthepreventionofre.
Contents
Introduction...............................................................1
Safety.......................................................................3
GeneralSafety...................................................3
SafetyandInstructionalDecals..........................4
Setup........................................................................6
InstallingtheUpperHandle.................................6
InstallingtheChute.............................................6
InstallingtheTraction-ControlLinkage................6
InstallingtheChute-ControlRod.........................7
InstallingtheSnow-CleanoutTool.......................7
CheckingtheEngine-OilLevel............................7
CheckingtheTirePressure.................................8
CheckingtheSkidsandScraper.........................8
CheckingtheOperationoftheTraction
Drive...............................................................8
ProductOverview.....................................................9
Operation..................................................................9
BeforeOperation...................................................9
BeforeOperationSafety.....................................9
FillingtheFuelTank..........................................10
DuringOperation.................................................10
DuringOperationSafety...................................10
StartingtheEngine............................................11
ShuttingOfftheEngine.....................................13
OperatingtheTractionDrive.............................13
OperatingtheSpeedSelector...........................13
OperatingtheAuger/ImpellerDrive...................14
OperatingtheQuickStick®...............................14
ClearingaCloggedDischargeChute................15
OperatingTips.................................................16
AfterOperation....................................................16
AfterOperationSafety......................................16
PreventingFreeze-upafterUse........................16
Maintenance...........................................................17
RecommendedMaintenanceSchedule(s)...........17
MaintenanceSafety..........................................17
PreparingforMaintenance...............................17
CheckingtheEngine-OilLevel..........................18
CheckingandAdjustingtheSkidsand
Scraper.........................................................18
CheckingandAdjustingtheTraction
Cable............................................................19
CheckingandAdjustingtheAuger/Impeller
Cable............................................................20
CheckingtheAuger-Gearbox-OilLevel.............20
ChangingtheEngineOil...................................21
LubricatingtheHexShaft..................................21
ReplacingtheSparkPlug.................................22
AdjustingtheDischarge-ChuteLatch................23
ReplacingtheDriveBelts..................................23
2
Storage...................................................................23
StoringtheMachine..........................................23
RemovingtheMachinefromStorage................23
Troubleshooting......................................................24
Safety
GeneralSafety
ThismachinecomplieswithANSIB71.3specications.
•Readandunderstandthecontentsofthis
Operator’sManualbeforeyoustarttheengine.
Ensurethateveryoneusingthisproductknows
howtousetheproductandunderstandsthe
warnings.
•Donotputyourhandsorfeetnearmoving
componentsonthemachine.
•Donotoperatethemachinewithoutallguards
andothersafetyprotectivedevicesinplaceand
workingonthemachine.
•Keepclearofanydischargeopening.Keep
bystandersasafedistanceawayfromthe
machine.
•Keepchildrenoutoftheoperatingarea.Never
allowchildrentooperatethemachine.
•Shutofftheenginebeforeunclogging,servicing,
orfuelingthemachine.
Youcanndadditionalitemsofsafetyinformationin
theirrespectivesectionsthroughoutthismanual.
3
SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea
ofpotentialdanger.Replaceanydecalthatisdamagedormissing.
x 3
1
2
3
4
5
120-9805
decal120-9805
120-9805
1.Insertthekey.
2.Primetheengine3times.
3.Engagethechoke.
4.Pullthestartercord.
5.Oncetheengineisrunning,disengagethechoke.
decal121-1239
121-1239
OrderPartNo.121-1215
1.Cutting/dismembermenthazard,impeller—donotplace
yourhandinthechute;shutofftheenginebeforeleaving
theoperator’spositionanduseatooltoclearthechute.
4
decal121-1240
121-1240
OrderPartNo.120-7194
1.Tractiondrive—squeezethelevertoengage;releasethe
levertodisengage.
4.Cutting/dismembermenthazard,impeller—stayawayfrom
movingparts;keepallguardsandshieldsinplace;remove
theignitionkeyandreadtheinstructionsbeforeservicingor
performingmaintenance.
2.Warning—readtheOperator’sManual.5.Thrownobjecthazard—keepbystandersasafedistance
awayfromthemachine.
3.Cutting/dismembermenthazard,impeller—donotplaceyour
handinthechute;shutofftheenginebeforeleavingthe
operatingpositionanduseatooltoclearthechute.
6.Auger/impellerdrive—squeezethelevertoengage;release
thelevertodisengage.
decal121-6817
121-6817
1.Cutting/dismembermenthazardsofhandorfoot,impeller
andauger—keepbystandersasafedistanceawayfrom
themachine.
decal121-6823
121-6823
1.Fast
3.Slow
2.Forwardspeeds4.Reversespeeds
decal131-6487
131-6487
1.Engine—shutoff
3.Fast
2.Slow
5
Setup
InstallingtheUpperHandle
g219873
InstallingtheChute
g219874
Installingthe
Traction-ControlLinkage
g219875
6
InstallingtheChute-Control
Rod
g219876
Installingthe
Snow-CleanoutTool
g219878
CheckingtheEngine-Oil
Level
Note:Yourmachinecomeswithoilintheengine
crankcase.Beforestartingtheengine,checktheoil
levelandaddoilifnecessary.
RefertoCheckingtheEngine-OilLevel(page18).
7
CheckingtheTirePressure
g219877
CheckingtheSkidsand
Scraper
RefertoCheckingandAdjustingtheSkidsand
Scraper(page18).
CheckingtheOperationof
theTractionDrive
CAUTION
Ifthetractiondriveisnotproperlyadjusted,
themachinemaymoveinthedirection
oppositeofwhatyouintended,causinginjury
and/orpropertydamage.
Carefullycheckthetractiondriveandadjustit
properly,ifnecessary.
1.Starttheengine;refertoStartingtheEngine
(page11).
2.MovethespeedselectortoPositionR1;referto
OperatingtheSpeedSelector(page13).
3.Squeezetheleft(traction)levertothehandgrip.
g001011
Figure10
Themachineshouldmoverearward.Ifthe
machinedoesnotmoveormovesforward,
completethefollowing:
A.Releasethetractionleverandshutoffthe
engine.
B.Disconnectthetrunnionfromthe
speed-selectorlever.
C.Turnthetrunniondownward(clockwise)on
thespeed-controlrod.
D.Connectthetrunniontothespeed-selector
lever.
4.Releasethetractionlever.
5.MovethespeedselectortoPosition1;referto
OperatingtheSpeedSelector(page13).
6.Squeezetheleft(traction)levertothehandgrip.
Themachineshouldmoveforward.Ifthe
machinedoesnotmoveormovesrearward,
completethefollowing:
A.Releasethetractionleverandshutoffthe
engine.
B.Disconnectthetrunnionfromthe
speed-selectorlever.
C.Turnthetrunnionupward(counterclockwise)
onthespeed-controlrod.
D.Connectthetrunniontothespeed-selector
lever.
7.Ifyoumadeanyadjustments,repeatthis
procedureuntilnoadjustmentsarerequired.
Important:Ifthemachinemoveswhenthe
tractionleverisinthereleasedposition,checkthe
tractioncable;refertoCheckingandAdjusting
theTractionCable(page19)ortakethemachine
toanAuthorizedServiceDealerforservice.
8
ProductOverview
g018887
Figure11
1.Handgrip(2)
9.Dischargechute
2.Auger/impellerlever10.Scraper
3.Speed-selectorlever
11.Auger
4.QuickStick™
discharge-chutecontrol
12.Skid(2)
5.Tractionlever13.Electric-startbutton
6.Fuel-tankcap14.Electric-startplug-in
7.Oil-lltube/dipstick15.Snow-cleanouttool
8.Chutedeector
g016500
Figure12
1.Primer5.Throttle
2.Ignitionswitch
6.Oil-drainplug
3.Choke
7.Recoil-starthandle
4.Fuel-shutoffvalve
g004217
Figure13
1.Snow-cleanouttool(attachedtothehandle)
Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
BeforeOperation
BeforeOperationSafety
•Forelectric-startmodelsonly:Useextension
cordsandreceptaclesasspeciedinthemanual.
Thoroughlyinspecttheelectricalcordbefore
pluggingitintoapowersource.Ifthecordis
damaged,donotuseit.Replacethedamaged
cord.Unplugthepowercordwheneveryouare
notstartingthemachine.
•Wearadequatewintergarmentswhenever
youoperatethemachine.Wearsubstantial,
slip-resistantfootwearthatimprovesfootingon
slipperysurfaces.Avoidloose-ttingclothingthat
cangetcaughtinmovingparts.
•Alwaysweareyeprotectionduringoperationor
whileperforminganadjustmentorrepairtoprotect
youreyesfromforeignobjectsthatthemachine
maythrow.
•Thoroughlyinspecttheareawhereyouwillusethe
machine,andremovealldoormats,sleds,boards,
wires,andotherforeignobjects.
•Ifashield,safetydevice,ordecalisdamaged,
illegible,ormissing,repairorreplaceitbefore
beginningoperation.Alsotightenanyloose
fasteners.
9
DANGER
Fuelisextremelyammableandexplosive.A
reorexplosionfromfuelcanburnyouand
others.
•Topreventastaticchargefromignitingthe
fuel,placethecontainerand/ormachineon
thegroundbeforelling,notinavehicle
oronanobject.
•Fillthetankoutdoorswhentheengineis
cold.Wipeupspills.
•Donothandlefuelwhensmokingor
aroundanopenameorsparks.
•Storefuelinanapprovedfuelcontainer,
outofthereachofchildren.
•Donottipthemachineeitherforward
orbackwardwithfuelinthefueltank;
otherwise,fuelmayleakoutofthe
machine.
FillingtheFuelTank
•Forbestresults,useonlyclean,fresh(lessthan
30daysold),unleadedgasolinewithanoctane
ratingof87orhigher((R+M)/2ratingmethod).
•Oxygenatedfuelwithupto10%ethanolor15%
MTBEbyvolumeisacceptable.
•Donotuseethanolblendsofgasoline(such
asE15orE85)withmorethan10%ethanolby
volume.Performanceproblemsand/orengine
damagemayresultwhichmaynotbecovered
underwarranty.
•Donotusegasolinecontainingmethanol.
•Donotstorefueleitherinthefueltankorfuel
containersoverthewinterunlessyouuseafuel
stabilizer.
•Donotaddoiltogasoline.
Donotllabovethebottomofthefueltankneck
(Figure14).
g216203
Figure14
Note:Forbestresults,purchaseonlythequantity
offuelthatyouexpecttousein30days.Otherwise,
youmayaddfuelstabilizertonewlypurchasedfuelto
keepitfreshforupto6months.
DuringOperation
DuringOperationSafety
•Shutofftheenginebeforeuncloggingthe
machineandalwaysuseastickorthe
snow-cleanouttool(ifprovided).
•Arotatingaugercaninjurehandsorfeet.Stay
behindthehandlesandawayfromthedischarge
openingwhileoperatingthemachine.Keepyour
face,hands,feet,andanyotherpartofyour
bodyorclothingawayfrommovingorrotating
parts.
•Neverdirectthedischargetowardpeopleorareas
wherepropertydamagecanoccur.
•Exercisecautiontoavoidslippingorfalling.
Alwaysbesureofyourfooting,andkeeparm
holdonthehandles.Walk;neverrun.
•Exerciseextremecautionwhenoperatingon
slopes.
•Neveroperatethemachinewithoutgoodvisibility
orlight.
•Donotoperatethemachinewhileill,tired,or
undertheinuenceofalcoholordrugs.
•Lookbehindandusecarewhenbackingupwith
themachine.
•Whennotactivelyclearingsnow,disengagepower
totheauger.
•Exerciseextremecautionwhenoperatingonor
crossinggraveldrives,walks,orroads.Stayalert
forhiddenhazardsortrafc.
•Neverattempttomakeanyadjustmentswhilethe
engineisrunning.
•Afterstrikingaforeignobject,shutofftheengine,
removetheignitionkey(electric-startmodels
only),thoroughlyinspectthemachineforany
damage,andrepairthedamagebeforestarting
andoperatingthemachine.
•Ifthemachineshouldstarttovibrateabnormally,
shutofftheengineandcheckforthecause.
•Donotruntheengineindoorsunlessthereis
adequateventilation(e.g.,leavinganoutsidedoor
open);exhaustfumesaredangerous.
•Donotoverloadthemachinecapacityby
attemptingtoclearsnowattoofastarate.
•Nevertouchahotengineormufer.
10
StartingtheEngine
1.Checktheengine-oillevel.RefertoChecking
theEngine-OilLevel(page18).
2.Turnthefuel-shutoffvalve1/4turn
counterclockwisetoopenit(Figure15).
g016512
Figure15
3.Fullyinserttheignitionkey(Figure16).
g016498
Figure16
1.Ignitionkey
4.Firmlypushintheprimerwithyourthumbas
indicatedbythefollowingtable,holdingthe
primerinforasecondbeforereleasingiteach
time(Figure17).
g037221
Figure17
Temperature
SuggestedNumberof
Primes
-23°C(-10°F)andabove
3
Below-23°C(-10°F)
6
5.MovethechoketotheCHOKEposition(Figure
18).
11
g016501
Figure18
6.MovethethrottletotheFASTposition(Figure
19).
g016504
Figure19
7.Startthemachinebypullingtherecoilstarteror
pressingtheelectric-starterbutton(Figure20).
g019055
Figure20
1.Electric-starterbutton3.Recoil-starthandle
2.Electricstarterplug-in
Note:Tousetheelectricstarter(electric-start
modelsonly),connectapowercordtothe
plug-inrstandthentoapoweroutlet.Use
onlyaUL-listed,16-gaugeextensioncord
recommendedforoutdoorusethatisnotlonger
than50ft(15m).
WARNING
Theelectricalcordcanbecomedamaged,
causingashockorre.
Thoroughlyinspecttheelectricalcord
beforeusingthemachine.Ifthecord
isdamaged,donotuseit.Replaceor
repairthedamagedcordimmediately.
ContactanAuthorizedServiceDealerfor
assistance.
Important:Topreventdamagingtheelectric
starter,runitinshortcycles(5secondson,
5secondsoff),nomorethan10times.Ifthe
enginestilldoesnotstart,takethemachine
toanAuthorizedServiceDealerforservice.
8.Disconnectthepowercordfromthepoweroutlet
rstandthenfromthemachine(electric-start
modelsonly).
9.Allowtheenginetowarmup;graduallymove
thechoketowardtheRunposition.Waitfor
theenginetorunsmoothlybeforeeachchoke
adjustment.
CAUTION
Ifyouleavethemachinepluggedintoa
poweroutlet,someonecaninadvertently
startthemachineandinjurepeopleor
damageproperty.
Unplugthepowercordwheneveryouare
notstartingthemachine.
12
ShuttingOfftheEngine
1.MovethethrottletotheSLOWposition,andthen
totheSTOPposition(Figure21).Youcanalso
shutofftheenginebypullingtheignitionkey
outwardtothemiddleposition.
g016505
Figure21
2.Waitforallmovingpartstostopbeforeleaving
theoperatingposition.
3.Removetheignitionkeytopreventaccidental
starting.
4.Closethefuelshutoffvalvebyrotatingit
clockwise(Figure22).
g016499
Figure22
5.Pulltherecoilstarter3or4times.
Note:Thishelpspreventtherecoilstarterfrom
freezingup.
OperatingtheTraction
Drive
CAUTION
Ifthetractiondriveisnotproperlyadjusted,
themachinemaymoveinthedirection
oppositeofwhatyouintended,causinginjury
and/orpropertydamage.
Carefullycheckthetractiondriveandadjustit
properly,ifnecessary;refertoCheckingthe
OperationoftheTractionDrive(page8)for
moreinformation.
Important:Ifthemachinemoveswhenthe
tractionleverisinthereleasedposition,checkthe
tractioncable;refertoCheckingandAdjusting
theTractionCable(page19)ortakethemachine
toanAuthorizedServiceDealerforservice.
1.Toengagethetractiondrive,squeezetheleft
(traction)levertothehandgrip(Figure23).
g001011
Figure23
2.Tostopthetractiondrive,releasethetraction
lever.
OperatingtheSpeed
Selector
Thespeedselectorhas6forwardand2reverse
gears.T ochangespeeds,releasethetractionlever
andshiftthespeed-selectorlevertothedesired
position(Figure24).Theleverlocksinanotchat
eachspeedselection.
13
g001012
Figure24
Operatingthe
Auger/ImpellerDrive
1.Toengagetheauger/impellerdrive,squeeze
theright(auger/impeller)levertothehandgrip
(Figure25).
g001013
Figure25
2.Tostoptheaugerandimpeller,releasetheright
lever.
Important:Whenyouengageboththe
auger/impellerleverandthetractionlever,
thetractionleverlockstheauger/impeller
leverdown,freeingyourrighthand.To
releasebothlevers,simplyreleasetheleft
(traction)lever.
3.Iftheaugerandimpellercontinuetorotatewhen
youreleasetheauger/impellerlever,donot
operatethemachine.Checktheauger/impeller
cable;refertoCheckingandAdjustingthe
Auger/ImpellerCable(page20)andadjustitif
necessary.Otherwise,takethemachinetoan
AuthorizedDealerforservice.
WARNING
Iftheaugerandimpellercontinue
torotatewhenyoureleasethe
auger/impellerlever,youcouldseriously
injureyourselforothers.
Donotoperatethemachine.Takeittoan
AuthorizedServiceDealerforservice.
OperatingtheQuickStick®
HoldthebluetriggercapdowntousetheQuickStick
tomovethedischargechuteandthechutedeector.
Releasethetriggercaptolockthedischargechute
andchutedeectorintoposition(Figure26).
g001014
Figure26
MovingtheDischargeChute
HoldthebluetriggercapdownandmovetheQuick
Sticktothelefttomovethedischargechutetothe
left;movetheQuickSticktotherighttomovethe
dischargechutetotheright(Figure27).
g018894
Figure27
•Ifthechutedoesnotmove,refertoAdjustingthe
Discharge-ChuteLatch(page23).
•Ifthechutedoesnotturnasfartotheleftasit
doestotheright,ensurethatthecableisrouted
totheinsideofthehandles.RefertoInstallingthe
UpperHandle(page6).
•Ifthechutedoesnotlockintoplacewhenyou
releasethetriggercap,refertoAdjustingthe
Discharge-ChuteLatch(page23).
14
MovingtheChuteDeector
HoldthebluetriggercapdownandmovetheQuick
Stickforwardtolowerthechutedeector;moveit
rearwardtoraisethechutedeector(Figure28).
g001016
Figure28
ClearingaClogged
DischargeChute
WARNING
Iftheauger/impellerisrunningbutthereisno
snowcomingoutofthedischargechute,the
dischargechutemaybeclogged.
Neveruseyourhandstoclearaclogged
dischargechute.Thiscouldresultinpersonal
injury.
•Tounclogthedischargechute,stayinthe
operatingpositionandreleasetheleft(traction)
lever.Whilerunningtheauger/impeller,pushdown
onthehandlestoraisethefrontofthemachinea
fewcentimeters(inches)offthepavement.Then
liftthehandlesquicklytobumpthefrontofthe
machineonthepavement.Repeatifnecessary
untilastreamofsnowcomesoutthedischarge
chute.
•Ifyoucannotunclogthedischargechuteby
bumpingthefrontofthemachine,shutoffthe
engine,waitforallmovingpartstostop,and
usethesnow-cleanouttool(Figure13).
Important:Uncloggingthedischargechute
bybumpingthefrontofthemachineonthe
pavementmaycausetheskidstomove.Adjust
theskidsandtightentheskidboltssecurely;
refertoCheckingandAdjustingtheSkidsand
Scraper(page18).
15
OperatingTips
DANGER
Whenthemachineisinoperation,theimpeller
andaugerrotateandcaninjureoramputate
handsorfeet.
•Beforeadjusting,cleaning,inspecting,
troubleshooting,orrepairingthemachine,
shutofftheengineandwaitforallmoving
partstostop.Disconnectthewirefrom
thesparkplugandkeepitawayfromthe
plugtopreventsomeonefromaccidentally
startingtheengine.
•Removeanobstructionfromthedischarge
chute;refertoClearingaClogged
DischargeChute(page15).Usethe
snow-cleanouttool(Figure14),notyour
hands,toremoveanobstructionfromthe
dischargechute.
•Staybehindthehandlesandawayfrom
thedischargeopeningwhileoperatingthe
machine.
•Keepyourface,hands,feet,andanyother
partofyourbodyorclothingawayfrom
concealed,moving,orrotatingparts.
WARNING
Theimpellercanthrowstones,toys,andother
foreignobjectsandcauseseriouspersonal
injurytoyouorbystanders.
•Keeptheareatobeclearedfreeofall
objectsthattheaugercouldpickupand
throw.
•Keepallchildrenandpetsawayfromthe
areaofoperation.
•AlwayssetthethrottletotheFASTpositionwhen
throwingsnow.
•Iftheengineslowsdownunderaloadorthe
wheelsslip,shiftthemachineintoalowergear.
•Ifthefrontofthemachineridesup,shiftthe
machineintoalowergear.Ifthefrontcontinuesto
rideup,liftuponthehandles.
AfterOperation
AfterOperationSafety
•Neverstorethemachinewithfuelinthefuel
tankinsideabuildingwhereignitionsourcesare
present,suchashotwaterheaters,spaceheaters,
orclothesdryers.Allowtheenginetocoolbefore
storinginanyenclosure.
•Whenstoringthemachineformorethan30days,
refertoStorage(page23)forimportantdetails.
PreventingFreeze-upafter
Use
•Insnowyandcoldconditions,somecontrolsand
movingpartsmayfreeze.Donotuseexcessive
forcewhentryingtooperatefrozencontrols.
Ifyouhavedifcultyoperatinganycontrolorpart,
starttheengineandletitrunforafewminutes.
•Afterusingthemachine,lettheenginerunfor
afewminutestopreventmovingpartsfrom
freezing.Engagetheauger/impellertoclearany
remainingsnowfrominsidethehousing.Rotate
theQuickSticktopreventitfromfreezing.Shutoff
theengine,waitforallmovingpartstostop,and
removealliceandsnowfromthemachine.
•Withtheengineoff,pulltherecoil-starthandle
severaltimesandpushtheelectric-startbutton
oncetopreventtherecoilstarterandelectric
starterfromfreezingup.
16
Maintenance
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Aftertherst2hours
•Inspectthetractioncableandadjustitifnecessary.
•Inspecttheauger/impellercableandadjustitifnecessary.
Aftertherst5hours
•Changetheengineoil.
Beforeeachuseordaily
•Checktheengine-oillevelandaddoilifnecessary.
Every100hours
•Replacethesparkplug.
Yearly
•Checktheskidsandthescraperandadjustthemifnecessary.
•Inspectthetractioncableandadjustorreplaceitifnecessary.
•Inspecttheauger/impellercableandadjustorreplaceitifnecessary.
•Checktheauger-gearboxoilandaddoilifnecessary.
•Changetheengineoil.
•Lubricatethehexshaft.
Yearlyorbeforestorage
•Checktheairpressureinthetiresandinatethemto116to137kPa(17to20psi).
•Drainthefuelandruntheenginetodryoutthefueltankandthecarburetoratthe
endoftheseason.
•HaveanAuthorizedServiceDealerinspectandreplacethetractiondrivebeltand/or
theauger/impellerdrivebelt,ifnecessary.
Important:Youcanndmoreinformationaboutmaintainingandservicingyourmachineat
www.Toro.com.
MaintenanceSafety
Readthefollowingsafetyprecautionsbefore
performinganymaintenanceonthemachine:
•Beforeperforminganymaintenance,service,or
adjustment,shutofftheengineandremovethe
key.Ifmajorrepairsareeverneeded,contactan
AuthorizedServiceDealer.
•Checkallfastenersatfrequentintervalsforproper
tightnesstoensurethatthemachineisinsafe
workingcondition.
•Donotchangethegovernorsettingsontheengine.
•PurchaseonlygenuineT ororeplacementparts
andaccessories.
PreparingforMaintenance
1.Movethemachinetoalevelsurface.
2.Shutofftheengineandwaitforallmovingparts
tostop.
3.Disconnectthespark-plugwire.Referto
ReplacingtheSparkPlug(page22).
17
CheckingtheEngine-Oil
Level
ServiceInterval:Beforeeachuseordaily—Check
theengine-oillevelandaddoilif
necessary.
g219890
CheckingandAdjustingthe
SkidsandScraper
ServiceInterval:Yearly—Checktheskidsand
thescraperandadjustthemif
necessary.
Checktheskidsandthescrapertoensurethatthe
augerdoesnotcontactthepavedorgravelsurface.
Adjusttheskidsandthescraperasneededto
compensateforwear.
1.Checkthetirepressure;refertoCheckingthe
TirePressure(page8).
2.Loosenthenutsthatsecurebothskidstothe
augersidesuntiltheskidsslideupanddown
easily.
g019046
Figure30
1.3mm(1/8inch)
Important:Theaugerbladesmustbe
supportedabovethegroundbytheskids.
3.Ensurethatthescraperis3mm(1/8inch)above
andparalleltoalevelsurface.
Note:Ifthepavementiscracked,rough,or
uneven,adjusttheskidstoraisethescraper.For
gravelsurfaces,adjusttheskidsfurtherdownto
preventthemachinefrompickinguprocks.
4.Movetheskidsdownuntiltheyareevenwith
theground.
5.Firmlytightenthenutsthatsecurebothskids
totheaugersides.
Note:Toquicklyadjusttheskidsiftheyloosen,
supportthescraper3mm(1/8inch)offthe
pavement,thenadjusttheskidsdowntothe
pavement.
Note:Iftheskidsbecomeexcessivelyworn,
youcanturnthemoverandsettheunusedside
towardthepavement.
18
CheckingandAdjustingthe
TractionCable
ServiceInterval:Aftertherst2hours—Inspect
thetractioncableandadjustitif
necessary.
Yearly—Inspectthetractioncableandadjustor
replaceitifnecessary.
Ifthemachinedoesnotdriveintheforwardorreverse
speedsoritdriveswhenyoureleasethetractionlever,
adjustthetractioncable.
Iftheleft(traction)cableisnotproperlyadjusted,do
thefollowingsteps:
1.Loosenthejamnut.
2.Engagethetractionleverandholditinplace
(Figure31).
g001011
Figure31
3.Loosenortightentheturnbuckletoadjustthe
springlengthto5.5cm(2.18inches)asshown
inFigure32.
g030998
Figure32
1.Jamnut
3.Spring
2.Turnbuckle
4.5.5cm(2.18inches)
4.Tightenthejamnut(Figure32),ensuringthere
isslighttensiononthecable.
5.Ifthetractioncableisproperlyadjustedbuta
problemremains,contactanAuthorizedService
Dealer.
19
CheckingandAdjustingthe
Auger/ImpellerCable
ServiceInterval:Aftertherst2hours—Inspectthe
auger/impellercableandadjustitif
necessary.
Yearly—Inspecttheauger/impellercableand
adjustorreplaceitifnecessary.
1.Loosenthejamnut.
2.Engagetheauger/impellerleverandholditin
place(Figure33).
g001013
Figure33
3.Loosenortightentheturnbuckletoadjustthe
springlengthto7cm(2-3/4inches)asshown
inFigure34.
g031000
Figure34
1.Jamnut
3.Spring
2.Turnbuckle
4.7cm(2-3/4inches)
4.Tightenthejamnut(Figure34),ensuringthat
thereisslighttensiononthecable.
5.Iftheauger/impellercableisproperlyadjusted
butaproblemremains,contactanAuthorized
ServiceDealer.
Checkingthe
Auger-Gearbox-OilLevel
ServiceInterval:Yearly—Checktheauger-gearbox
oilandaddoilifnecessary.
1.Movethemachinetoalevelsurface.
2.Cleantheareaaroundthepipeplug(Figure35).
g001025
Figure35
1.Pipeplug
3.Removethepipeplugfromthegearbox.
4.Checktheoillevelinthegearbox.Theoilshould
be9.5mm(3/8inch)belowthelleropening.
5.Iftheoillevelislow,addGL-5orGL-6,SAE
80-90EPgearoillubricanttothegearboxuntil
theoillevelis9.5mm(3/8inch)belowtheller
opening.
Note:Donotusesyntheticoil.
6.Installthepipepluginthegearbox.
20
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Toro 37793 User guide

Toro
Brand
Toro
Model
37793
Category
Snow throwers
Type
User guide
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