FormNo.3404-698RevB
MM-858H-PMortarMixer
ModelNo.68021HD—SerialNo.316000001andUp
Registeratwww.T oro.com.
OriginalInstructions(EN)
*3404-698*B
WARNING
CALIFORNIA
Proposition65Warning
Thisproductcontainsachemicalorchemicals
knowntotheStateofCaliforniatocausecancer,
birthdefects,orreproductiveharm.
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Useofthisproductmaycauseexposureto
chemicalsknowntotheStateofCalifornia
tocausecancer,birthdefects,orother
reproductiveharm.
ThissparkignitionsystemcomplieswithCanadianICES-002.
Becauseinsomeareastherearelocal,state,orfederal
regulationsrequiringthatasparkarresterbeusedonthe
engineofthismachine,asparkarresterisavailableas
anoption.Ifyourequireasparkarrester,contactyour
AuthorizedToroServiceDealer.
YoumaycontactT orodirectlyatwww .Toro.comforproduct
safetyandoperationtrainingmaterials,accessoryinformation,
helpndingadealer,ortoregisteryourproduct.
Wheneveryouneedservice,genuineToroparts,oradditional
information,contactanAuthorizedServiceDealerorToro
CustomerServiceandhavethemodelandserialnumbersof
yourproductready .Writethenumbersinthespaceprovided.
GenuineT orosparkarrestersareapprovedbytheUSDA
ForestryService.
ItisaviolationofCaliforniaPublicResourceCode
Section4442or4443touseoroperatetheengineonany
forest-covered,brush-covered,orgrass-coveredlandunless
theengineisequippedwithasparkarrester,asdenedin
Section4442,maintainedineffectiveworkingorderorthe
engineisconstructed,equipped,andmaintainedforthe
preventionofre.
Theenclosed
informationregardingtheUSEnvironmentalProtection
Agency(EPA)andtheCaliforniaEmissionControl
Regulationofemissionsystems,maintenance,and
warranty.Replacementsmaybeorderedthroughthe
enginemanufacturer.
Engine Owner's Man ual
issuppliedfor
Introduction
Thismachineisdesignedtomixmortar,plaster,reproong
material,grout,andothersmall-grainedPortlandcement
products.Avehicleequippedwithanappropriatepintlehitch
orballhitchcantowthemachine.
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhassafety
messagesidentiedbythesafety-alertsymbol(Figure2),
whichsignalsahazardthatmaycauseseriousinjuryordeath
ifyoudonotfollowtherecommendedprecautions.
Figure2
1.Safety-alertsymbol
Readthisinformationcarefullytolearnhowtooperateand
maintainyourproductproperlyandtoavoidinjuryand
productdamage.Youareresponsibleforoperatingthe
productproperlyandsafely.
©2016—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Contactusatwww.Toro.com.
2
PrintedintheUSA
AllRightsReserved
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanicalinformation
andNoteemphasizesgeneralinformationworthyofspecial
attention.
TireInformation
TheDOTtireinformationislocatedonthesideofeachtire.
Thisinformationgivesloadandspeedratings.Replacement
tiresshouldhavethesameorbetterratings.
Note:Thevariousmachinesinthismanualhavedifferent
weights;refertoSpecications(page13)toensurethatthe
tiresonyourmachinemeetorexceedtheweightrequirements
ofyourmachine.
Contents
Safety...........................................................................4
SafeOperatingPractices...........................................4
SafetyandInstructionalDecals.................................7
Setup............................................................................9
1InstallingtheDumpHandle...................................9
2InstallingtheTowPole..........................................10
3InstallingtheSafetyChain.....................................10
ProductOverview.........................................................11
Controls...............................................................11
Specications........................................................13
Operation....................................................................13
PreparingtoT owtheMachine..................................13
ExtendingtheAxle.................................................17
TowingtheMachine...............................................18
PreparingtoUsetheMachine...................................18
OpeningandClosingtheCowl.................................18
AddingFuel...........................................................19
CheckingtheEngine-OilLevel.................................21
StartingandShuttingOfftheEngine.........................21
ControllingthePaddles...........................................22
MixingtheMaterial.................................................23
UsingtheDrum.....................................................24
AdjustingthePaddleBlades.....................................24
Maintenance.................................................................26
RecommendedMaintenanceSchedule(s)......................26
PremaintenanceProcedures........................................27
PreparingtheMachineforMaintenance.....................27
DisconnectingtheSpark-PlugWire...........................27
RemovingandInstallingtheDividerPlate..................27
Lubrication...............................................................28
LubricatingtheBearingsandSeals............................28
EngineMaintenance..................................................29
ServicingtheAirCleaner.........................................29
ServicingtheEngineOil..........................................30
ServicingtheSparkPlug..........................................31
ServicingtheSparkArrester.....................................33
RemovingandInstallingtheEngine..........................33
FuelSystemMaintenance...........................................35
CleaningtheFuel-SedimentCup...............................35
DrainingtheFuelTank...........................................35
BeltMaintenance......................................................36
ServicingtheBelts—Belt-driveModels......................36
ReplacingtheBelts—Belt-driveModels.....................37
AligningthePulleys................................................39
Cleaning...................................................................39
CleaningtheMachine..............................................39
Storage........................................................................40
StoringtheMachine................................................40
Troubleshooting...........................................................41
3
Safety
Improperlyusingormaintainingthemachinecanresult
ininjury.T oreducethepotentialforinjury,complywith
thesesafetyinstructionsandalwayspayattentiontothe
safety-alertsymbol,whichmeans:
or
Danger
complywiththeinstructionmayresultinpersonalinjury
ordeath.
—personalsafetyinstruction.Failureto
Caution
,
W ar ning
•Neverletchildrenoruntrainedpeopleoperateorservice
theequipment.Localregulationsmayrestricttheageof
theoperator.
•Theowner/usercanpreventandisresponsiblefor
accidentsorinjuriestopeopleordamagetoproperty.
,
Towing
Checkwithyourlocalcountyorstatetowingsafetyregulations
beforetowingthemachine.
SafeOperatingPractices
Thisproductiscapableofamputatinghands.Alwaysfollow
allsafetyinstructionstoavoidseriousinjuryordeath.
WARNING
Machiningorhandlingstone,masonry,concrete,
metal,andothermaterialscangeneratedust,mists,
andfumescontainingchemicals,suchassilica,
knowntocauseseriousorfatalinjuryorillness,
suchasrespiratorydisease,silicosis,cancer,birth
defects,orotherreproductiveharm.
•Controldust,mist,andfumesatthesource
wherepossible.Watershouldbeusedfordust
suppressionwhenfeasible.
•Usegoodworkpracticesandfollowthe
recommendationsofthemanufactureror
suppliers,OSHA,andotheroccupationaland
tradeassociations.
•Alwaysfollowrespiratoryprecautions.
•Whenthehazardsfrominhalationcannotbe
eliminated,theoperatorandanybystanders
shouldweararespiratorapprovedbyOSHAfor
thematerialbeinghandled.
•Inordertoreducethepossibilityofanaccidentwhile
transportingthemachineonpublicroads,makesurethat
thetowingvehicleismechanicallysoundandingood
operatingcondition.
•Shutdowntheenginebeforetransportingthemachine.
•Whentowingwithaballhitch,ensurethattheballhitch
youareusingisthepropersizeforthehitchcoupleron
themachine.
•Whentowingwithapintlehitch,ensurethattheeyeof
thetowpoleisthecorrectdimensionforthepintlehook.
•Inspectthehitchandcouplingforwear.Nevertowthe
machinewithdamagedordefectivehitches,couplings,
chains,orothercomponents.
•Checkthetireairpressureonthetowingvehicleandthe
machine.
•Checkthetiretreadandsidewallfordamageandwear.
•Properlyattachthesafetychainstothetowingvehicle.
•Ensurethatthedirectionalandbrakelightsareworking
properly(ifthemachineisequippedwiththelightkit).
•Ensurethatthedirectional,backup,andbrakelightsof
thetowvehicleareworkingproperly(ifthemachineis
equippedwiththelightkit).
•Beforetowing,checktomakecertainyourmachineis
correctlyandsecurelyattachedtothetowingvehicle.
WARNING
Engineexhaustcontainscarbonmonoxide,an
odorless,deadlypoisonthatcankillyou.
Donotruntheengineindoorsorinanenclosed
area.
Training
•ReadtheOperator'sManualandothertrainingmaterial.If
theoperator(s)ormechanic(s)cannotreadorunderstand
theinformation,itistheowner'sresponsibilitytoexplain
thismaterialtothem.
•Becomefamiliarwiththesafeoperationoftheequipment,
operatorcontrols,andsafetysigns.
•Alloperatorsandmechanicsshouldbetrained.The
ownerisresponsiblefortrainingtheusers.
•Ensurethatthesafetychainsareproperlysecuredtothe
vehicle,andleaveenoughslackforturning.
•Donotcarryanymaterialinthemachinewhentowing.
•Avoidsuddenstopsandstarts.Thiscancauseskidding,
orjackkning.Smooth,gradualstartsandstopswill
improvetowing.
•Avoidsharpturnstopreventrolling.T owonlywitha
vehiclethathasahitchdesignedfortowing.Donot
attachtowedequipmentexceptatthehitchpoint.
•Donottowthemachinefasterthan88km/h(55mph).
•Usecautionwhenbackingup;useaspotteroutsidethe
vehicletoguideyou.
•Donotallowanyonetositorrideonthemachine.
•Disconnectthemachinefromthetowvehiclebefore
usingit.
•Securethemachinefrommovementbeforeyoutowit.
4
Preparation
Becomefamiliarwiththesafeoperationoftheequipment,
operatorcontrols,andsafetysigns.
•Useonlyaccessoriesandattachmentsapprovedbythe
manufacturer.
•Wearpersonalprotectiveequipmentandappropriate
clothing,includingthefollowing:
–Hardhat
–Respiratorordustmask
–Faceshield
–Hearingprotection
–Substantial,slip-resistantfootwear
–Longpants
–Shirtwithlongsleevesthataretightatthewrists
–Tight-ttinggloveswithoutdrawstringsorloosecuffs
•Securelooseclothing,tiebacklonghair,anddonotwear
jewelry.
•Operatingtheequipmentsafelyrequiresthefullattention
oftheoperator.Donotwearradioormusicheadphones
whileoperatingthemachine.
•Useextracarewhenhandlingfuels.Theyareammable
andthevaporsareexplosive.Usethefollowingpractices
whenhandlingfuel:
–Useonlyanapprovedfuelcontainer.
–Neverremovethefuelcaporaddfuelwiththeengine
running.
–Allowtheenginetocoolbeforerefueling.
–Donotsmoke.
–Neverrefuelordrainthemachineindoors.
–Replacethefuelcapandtightenitsecurely .
–Keepthecontainernozzleincontactwiththetank
duringlling.
–Neverllacontainerwhileitisinsideavehicle,trunk,
pick-upbed,oranysurfaceotherthantheground.
–Neverstorethemachineorfuelcontainerinside
wherethereisanopename,suchasnearawater
heaterorfurnace.
–Iffuelisspilled,wipeitofftheengineandequipment.
•Ensurethatthemachineisonalevelsurfacebefore
operatingthemachine.
•Securethemachinefrommovementbeforeyoubegin
toworkonit
•Beforeeveryuse,dothefollowing:
–Inspectthecoupler,ball,andhitch.
–Ensurethatalllightsarefunctioningproperly(ifthe
machineisequippedwithalightkit).
–Ensurethatthetiresareproperlyinatedas
recommended.
–Ensurethatthelugnutsaretightandtorqued
properly.
–Ensurethatthemachineisproperlysecured.
Operation
•Neverrunanengineinanenclosedorpoorlyventilated
area.
•Onlyoperatethemachineingoodlightingconditions.
•Beforestartingthemachine,makesurethatthereareno
personsorobstaclesnearorunderthemachine.
•Shutofftheenginebeforeleavingthemachineforany
reason.
Neverleavearunningmachineunattended.Always
shutofftheengineandverifythatallmovingpartshave
stopped.
•Avoidprolongedbreathingofexhaustfumes.Engine
exhaustfumescancausesicknessordeath.
•Keephandsawayfromanymovingparts.Keepfeetaway
fromthetiresandthefrontpost.
•Donotoperatethemachinewhileill,tired,orunderthe
inuenceofalcoholordrugs.
•Ensurethattheareaisclearofotherpeopleorpetsbefore
operatingthemachine.Shutoffthemachineifanyone
entersthearea.
•Neverplaceyourhandsoranysolidobjectintothedrum
whenthemachineisinoperation.
•Donottouchpartswhichmaybehotfromoperation.
Allowthemtocoolbeforeattemptingtomaintain,adjust,
orservicethemachine.
•Nevermovethemachinewhiletheengineisrunning.
•Keepthecowlclosedandlatchedduringoperation.
•Ensurethatalltheguardsandshieldsaresecurelyinplace
beforeoperatingthemachine.
•Ifthemixingpaddlesstrikeaforeignobjectorifthe
machineshouldstartmakinganunusualnoiseor
vibration,shutofftheengineandemptythedrum.W ait
forallmovingpartstocometoacompletestopandcool.
Vibrationisgenerallyawarningoftrouble.Inspectfor
cloggingordamage.Cleanandrepairand/orreplace
damagedparts.
•Donotchangetheenginegovernorsettingoroverspeed
theengine.
•Lightningcancausesevereinjuryordeath.Ifyousee
lightningorhearthunderinthearea,donotoperatethe
machine;seekshelter.
5
MaintenanceandStorage
•Beforeperformingmaintenance,dothefollowing:
–Parkthemachineonlevelground.
–Shutofftheengine.W aitforallmovementtostop
beforeadjusting,cleaning,orrepairing.
–Lettheenginecoolbeforeperformingmaintenance
orstoring.
–Disengageallpowerandoperationcontrols.
•Neverlubricate,service,repair,oradjustthemachine
whileitisrunning.
•Keepequipmentmaterialsclearfromthemuferand
enginetohelppreventres.Cleanupanyoilorfuel
spillage.
•Neverallowuntrainedpersonneltoservicethemachine.
•Keephands,feet,andclothingawayfrommovingparts.
Ifpossible,donotmakeadjustmentswiththeengine
running.
•Keepallpartsingoodworkingconditionandallhardware
tightened.Replaceallwornordamageddecals.
•Removeanybuildupofgrease,oil,ordebrisfromthe
machine.
•Stopandinspectthemachineifaforeignobjectentersthe
drumorcausesanotherobstruction.Makeanynecessary
repairsbeforestartingthemachine.
•Donottamperwithsafetydevices.
•Securethemachinefrommovementwhenstoringthe
machine.
•Keepallnuts,bolts,screws,andhoseclampssecurely
tightened.Keepequipmentingoodcondition.
•UseonlygenuineTororeplacementpartstoensurethat
theoriginalstandardsaremaintained.
6
SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaofpotential
danger.Replaceanydecalthatisdamagedorlost.
117-2718
130-8322
125-8175
1.ReadtheOperator’sManualforinformationongreasing
themachine.
1.Onlyusefuelwithan
alcoholcontentbyvolume
under10%.
2.ReadtheOperator's
Manualformore
informationonfuel.
3.Donotusefuelwithan
alcoholcontentbyvolume
greaterthan10%.
1.ReadtheOperator’s
Manualforinformationon
howtotowthemachine.
125-8216
2.Warning—limittowing
speedtolessthan55mph
/88km/h.
7
125-4939
1.Warning—readthe
Operator’sManual.
2.Handandarm
entanglementatthe
beltdrive;crushinghazard
ofhand;entanglement
hazardofhandatthe
shaft—keephandsaway
frommovingparts;keep
allguardsandshieldsin
place.
3.Entanglementhazard
atpaddles—shutoff
theengineandwait
forallmovingpartsto
stopbeforeperforming
maintenance.
4.Toxicgasinhalation
hazard—Don’trunthe
engineinanenclosed
space.
5.Explosionhazard—shut
offtheengineandkeep
awayfromameswhen
refueling.
8
Setup
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescription
1
2
3
1
InstallingtheDumpHandle
Partsneededforthisprocedure:
1Dumphandle
2Bolt
2Nut
Dumphandle1
Bolt2
Nut2
Towpolekit(soldseparately)
Safetychain
Connectinglink
3.Insertthe2boltsthroughtheboltholesinthedump
handleandthedrum(Figure3).
4.Installanutontoeachbolt,andtightenthembyhand
topreventcross-threading.
5.Tightenthenutswithawrenchwhileusinganother
wrenchtokeeptheboltsfromspinning.
Qty.
Installthedumphandle.
1Installthetowpole.
1
2
Installthesafetychain.
Use
InstallingtheDumpHandletotheDrum
1.Cutthecabletiestoremovethedumphandlefrom
theundersideofthegrate.
2.Positionthedumphandlesothattheboltholesalign
withtheboltholesinthedrum(Figure3).
Figure3
9
2
3
InstallingtheTowPole
Partsneededforthisprocedure:
1
Towpolekit(soldseparately)
Procedure
Note:Thetowpoleispurchasedseparatelyandincludesthe
nutandboltneededforinstallation.
Themachinehasthefollowingtowpoleoptions:
HitchT ypeLength
50mm(2inch)ball—stamped78.7cm(31inches)
50mm(2inch)ball—forged78.7cm(31inches)
Pintle
1.Removetheboltandnutfromthetowpole(Figure4).
78.7cm(31inches)
InstallingtheSafetyChain
Partsneededforthisprocedure:
1
Safetychain
2
Connectinglink
Procedure
Formahookontheendofabendablepieceofrodorstiff
wire,(notincluded),andinstallthesafetychainasshownin
Figure5.
Figure5
Figure4
1.Towpole4.Bolthole
2.Frontpost
3.Bolt6.Nut
2.Slidethetowpoleforwardandaligntheholeinthe
polewiththeholeintheframetting(Figure4).
3.Inserttheboltthroughtheholesinthettingandthe
pole(Figure4).
4.Threadthenutontotheboltandtightenthemuntil
theyaretightagainsttheframetting(Figure4).
Note:Iftheself-lockingnyloninsertinthelocknut
wearswithuse,replacethenutwithanewGrade5or
Grade8locknut.
5.Frametting
Note:Ensurethatapproximatelyequallengthsofsafety
chainextendfromeithersideofthefrontpost.
10
ProductOverview
Controls
Becomefamiliarwithallthecontrolsbeforeyoustartthe
engineandoperatethemachine.
ClutchLever
Theclutchleverengagesanddisengagesenginepowertothe
paddles(Figure7).
Figure6
1.Rearcowl
2.Frontcowl7.Towpole12.Drum
3.Grate
4.Bagsplitter
5.Dumphandle10.Drumlatch
6.Clutchlever11.Grateliftarm
8.Frontpost
9.Safety-chain
keyhole
Figure7
Belt-drivemodels
1.Clutchlever
13.Chute
14.Cowllatch
11
DrumLatch
FuelValve
Thedrumlatchsecuresthedrumtothemixposition(upright)
formixingoperationsandwhentransportingthemachine.
Figure8
1.Drumlatch
DumpHandle
Usethedumphandletorotatethedrumtothedumpposition
andtorotatethedrumtothemixposition(upright).
Thefuelvalve(Figure10)islocatedunderneaththechoke
lever.MovetheleverforthefuelvalvetotheONposition
beforeattemptingtostarttheengine.Whenyouhavenished
mixing,shutofftheengineandmovethefuelvalveleverto
theOFFposition.
Figure10
1.Fuelvalve3.Throttlelever
2.Chokelever
EngineControls
ChokeLever
Usethechokelever(Figure10)tostartacoldengine.Before
pullingtherecoil-starthandle,movethechokelevertothe
CLOSEDposition.Oncetheengineisrunning,movethe
chokelevertotheOPENposition.Donotusethechokeifthe
engineisalreadywarmeduporiftheairtemperatureishigh.
ThrottleLever
Thethrottlelever(Figure10)controlsthespeed(rpm)ofthe
engine.Itislocatednexttothechokelever.Itsetstheengine
speedandthereforecanincreaseanddecreasetherotation
speedofthemixingpaddles.Forbestperformance,setthis
1.Recoil-starthandle5.Fuelcap
2.Fuelvalve6.Dipstick
3.Chokelever7.Oil-drainplug
4.Throttlelever
Figure9
8.On/Offswitch
controltotheFASTpositionwhenmixingmaterial.
EngineOn/OffSwitch
UsetheOn/Offswitch(Figure11)tostartandshutoffthe
engine.Thisswitchislocatedonthefrontoftheengine.
RotatetheOn/OffswitchtotheONpositiontostartandrun
theengine.RotatetheOn/OffswitchtotheOFFposition
toshutofftheengine.
12
OFF
ON
1
OFF
ON
G021 103
2
Operation
PreparingtoTowtheMachine
Important:Ensurethatyourtowvehiclehastowing
capacityfortheweightofthemachine.
Important:UseaClass2orlargerreceiver.
Figure11
1.Offposition2.Onposition
Recoil-startHandle
Tostarttheengine,pulltherecoil-starthandle(Figure9)
quicklytoturntheengineover.Theenginecontrolsdescribed
abovemustallbesetcorrectlyfortheenginetostart.
Oil-levelSwitch
Theoil-levelswitchislocatedinsidetheengine,anditdoes
notallowtheenginetorunintheeventtheoillevelisbelow
thesafeoperatinglimit.
Specications
Note:Specicationsanddesignaresubjecttochange
withoutnotice.
MachineSpecications
Note:Ensurethatyourtowvehiclehastheappropriatehitch
totowthemachine;optionsincludea50mm(2inch)ball
hitchorapintlehitch.
Note:Ifthemachineisequippedwithatrailer-lightkit,
ensurethattheelectricalconnectorofthetowvehicleis
compatiblewiththeelectricalconnectorofthemachine.The
machineusesastandard4-atplug.Ifyourtowvehiclehasa
differenttypeofplug,obtainanadapterfromanautomotive
partsstore.
1.Ensurethattheengineisshutoff,thefuelvalveisin
theOFFposition,andthedrumisempty.
2.Ifthedrumhasaccumulatedanywater,dumpthe
drum;refertoDumpingtheDrum(page24),steps1,
3,4,and5.
3.Usingthedumplever,positionthedrumsothatitisin
themixposition(upright)andlocked.
4.Closetheenginecowlandsecurethecowllatches
(Figure12).
BatchCapacity0.23m
TotalVolume
DrumMaterialPolyethylene
Length
(withouttowpole)
Width86cm
Height137cm
Weight266kg
Axle
Engine
DriveBelt
0.25m
193cm
(86inches)
(34inches)
(54inches)
(585lb)
86to117cm(34to46inches)
extendable
Honda
3
(8.0ft3)
3
(9.0ft3)
Figure12
®
GX240
5.Extendtheaxle;refertoExtendingtheAxle(page17).
13
CheckingtheTiresandWheels
ServiceInterval:Beforeeachuseordaily—Inspectthetires
andwheels.
TheDOTtireinformationislocatedontheside
ofeachtire.Thisinformationgivesloadandspeed
ratings.Replacementtiresshouldhavethesame
orbetterratings.Formoreinformationgoto
http://www.nhtsa.gov/Vehicle+Safety/Tires.
Note:RefertoSpecications(page13)toensurethatthe
tiresonyourmachinemeetorexceedtheweightrequirements
ofyourmachine.
1.Visuallyinspectthetiresfordamageandwear(Figure
13andFigure14).
3.Ensurethatthewheellugnutsaretorquedto108to
122N∙m(80to90ft-lb).
Note:Checkthetorqueofthewheellugnutsinitially
andaftertowing.
Note:Torquethelugnutsinthesequenceshownin
Figure15.
Figure15
Figure13
1.Exampleoftirewearcausedbyunderination
Figure14
1.Exampleoftirewearcausedbyoverination
2.Ensurethatthetiresareinatedtoamaximumof241
kPa(35psi).
Important:Alwayschecktheinformation
ontheactualtiresforthecorrectairpressure
requirement.
Important:Themostcommoncauseoftire
troubleisunderination.Maintainfullair
pressure.
14