FormNo.3422-267RevA
TRX-16,TRX-20,andTRX-26
Trencher
ModelNo.22972—SerialNo.402461470andUp
ModelNo.22972G—SerialNo.402000000andUp
ModelNo.22973—SerialNo.402501800andUp
ModelNo.22973G—SerialNo.402000000andUp
ModelNo.22974—SerialNo.402000000andUp
Registeratwww.T oro.com.
OriginalInstructions(EN)
*3422-267*A
ThisproductcomplieswithallrelevantEuropean
directives;fordetails,pleaseseetheseparateproduct
specicDeclarationofConformity(DOC)sheet.
WARNING
CALIFORNIA
Proposition65Warning
Thisproductcontainsachemical
orchemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orreproductiveharm.
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
DANGER
Theremaybeburiedutilitylinesinthework
area.Diggingintothemmaycauseashock
oranexplosion.
Introduction
Thismachineisdesignedtodigtrenchesinsoilto
burycablingandpipingforvariousapplications.Itis
notintendedtocutrock,wood,oranyothermaterial
otherthansoil.
Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoid
injuryandproductdamage.Youareresponsiblefor
operatingtheproductproperlyandsafely .
YoumaycontactTorodirectlyatwww.Toro.com
forproductsafetyandoperationtrainingmaterials,
accessoryinformation,helpndingadealer,orto
registeryourproduct.
Wheneveryouneedservice,genuineToroparts,or
additionalinformation,contactanAuthorizedService
DealerorToroCustomerServiceandhavethemodel
andserialnumbersofyourproductready.Figure
1illustratesthelocationofthemodelandserial
numbersontheproduct.Writethenumbersinthe
spaceprovided.
Havethepropertyorworkareamarkedfor
buriedlinesanddonotdiginmarkedareas.
Contactyourlocalmarkingserviceorutility
companytohavethepropertymarked(for
example,intheUnitedStates,call811forthe
nationwidemarkingservice).
ItisaviolationofCaliforniaPublicResourceCode
Section4442or4443touseoroperatetheengineon
anyforest-covered,brush-covered,orgrass-covered
landunlesstheengineisequippedwithaspark
arrester,asdenedinSection4442,maintainedin
effectiveworkingorderortheengineisconstructed,
equipped,andmaintainedforthepreventionofre.
Theenclosedengineowner'smanualissupplied
forinformationregardingtheUSEnvironmental
ProtectionAgency(EPA)andtheCaliforniaEmission
ControlRegulationofemissionsystems,maintenance,
andwarranty.Replacementsmaybeorderedthrough
theenginemanufacturer.
Important:Withyourmobiledevice,youcan
scantheQRcodeontheserialnumberdecal
(ifequipped)orvisitwww.Toro.comtoaccess
warranty,parts,andotherproductinformation.
g007797
Figure1
1.Modelandserialnumberplate
ModelNo.
©2018—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
SerialNo.
Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafety-alertsymbol
(Figure2),whichsignalsahazardthatmaycause
seriousinjuryordeathifyoudonotfollowthe
recommendedprecautions.
Contactusatwww.Toro.com.
2
PrintedintheUSA
AllRightsReserved
Figure2
1.Safety-alertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.
Contents
Safety.......................................................................4
SafeOperatingPractices....................................4
SafetyandInstructionalDecals..........................6
Setup.......................................................................11
1InstallingtheBoomandChain.........................11
2CheckingtheFluidLevels..............................12
3ChargingtheBattery(Electric-StartModels
Only).............................................................12
ProductOverview...................................................12
Controls...........................................................12
KeySwitch....................................................13
Specications..................................................15
Attachments/Accessories.................................15
Operation................................................................16
AddingFuel......................................................16
PerformingDailyMaintenance..........................17
StartingtheEngine...........................................17
DrivingtheMachine..........................................18
ShuttingofftheEngine......................................18
DiggingaTrench..............................................18
MovingaNon-FunctioningMachine..................19
SecuringtheMachineforTransport..................19
LiftingtheMachine...........................................19
OperatingTips.................................................20
Maintenance...........................................................21
RecommendedMaintenanceSchedule(s)...........21
Pre-MaintenanceProcedures..............................22
RemovingtheCoverPlate................................22
RemovingtheBottomShield............................23
Lubrication..........................................................23
GreasingtheMachine.......................................23
GreasingtheTrencherHousing........................24
EngineMaintenance...........................................25
ServicingtheAirCleaner..................................25
ServicingtheEngineOil....................................27
ServicingtheSparkPlug...................................29
FuelSystemMaintenance...................................30
DrainingtheFuelT ank......................................30
ReplacingtheFuelFilter...................................31
ElectricalSystemMaintenance...........................31
ServicingtheBattery.........................................31
ReplacingtheFuses(Models22973and
22974)...........................................................34
g000502
DriveSystemMaintenance..................................34
ServicingtheTracks.........................................34
BeltMaintenance................................................37
ReplacingthePump-DriveBelt.........................37
ControlsSystemMaintenance.............................37
AdjustingtheTraction-Control
Alignment......................................................37
HydraulicSystemMaintenance...........................39
HydraulicFluidSpecications...........................39
CheckingtheHydraulic-FluidLevel...................40
ReplacingtheHydraulicFilter...........................40
ChangingtheHydraulicFluid............................41
TrencherMaintenance.........................................42
ReplacingtheDiggingT eeth.............................42
CheckingandAdjustingtheDiggingChain
andBoom.....................................................42
ReplacingtheDriveSprocket...........................43
Cleaning..............................................................44
RemovingDebrisfromtheMachine..................44
Storage...................................................................44
Troubleshooting......................................................46
Schematics.............................................................48
3
Safety
Improperuseormaintenancebytheoperatoror
ownercanresultininjury.T oreducethepotential
forinjury,complywiththesesafetyinstructions
andalwayspayattentiontothesafety-alert
symbol(Figure2),whichmeansCaution,Warning,
orDanger—personalsafetyinstruction.Failureto
complywiththeinstructionmayresultinpersonal
injuryordeath.
SafeOperatingPractices
Thisproductiscapableofamputatinghandsandfeet.
Alwaysfollowallsafetyinstructionstoavoidserious
injuryordeath.
WARNING
Engineexhaustcontainscarbonmonoxide,
anodorlesspoisonthatisfatalifinhaled.
Donotruntheengineindoorsorinan
enclosedarea.
Training
•ReadtheOperator'sManualandothertraining
material.Iftheoperator(s)ormechanic(s)cannot
readEnglish,itistheowner'sresponsibilityto
explainthismaterialtothem.
•Becomefamiliarwiththesafeoperationofthe
equipment,operatorcontrols,andsafetysigns.
•Alloperatorsandmechanicsshouldbetrained.
Theownerisresponsiblefortrainingtheusers.
•Neverletchildrenoruntrainedpeopleoperateor
servicetheequipment.Localregulationsmay
restricttheageoftheoperator.
•Theowner/usercanpreventandisresponsible
foraccidentsorinjuriesoccurringtohimselfor
herself,otherpeopleorproperty.
Preparation
•Beforeusingthemachine,havetheareamarked
forundergroundutilitiesanddonotusethe
machineinmarkedareas.
•Evaluatetheterraintodeterminewhataccessories
andattachmentsyouneedtoproperlyand
safelyperformthejob.Useonlytheaccessories
andattachmentsthatareapprovedbythe
manufacturer.
•Wearappropriateclothingincludinggloves,eye
protection,longpants,substantialslip-resistant
footwear,andhearingprotection.Tiebacklong
hairanddonotwearlooseclothingorloose
jewelry.
•Inspecttheareawhereyouwillusetheequipment
andremoveallobjects,suchasrocks,toys,and
wire,thatthemachinecouldthrow.
•Checkthattheoperator'spresencecontrols,safety
switches,andshieldsareattachedandfunctioning
properly.Donotoperatethemachineunlessthey
arefunctioningproperly.
FuelSafety
•Useextracarewhenhandlingfuel.Itisammable
anditsvaporsareexplosive.
•Extinguishallcigarettes,cigars,pipes,andother
sourcesofignition.
•Useonlyanapprovedfuelcontainer.
•Donotremovethefuelcaporllthefueltank
whiletheengineisrunningorhot.
•Donotaddordrainfuelinanenclosedspace.
•Donotstorethemachineorfuelcontainerwhere
thereisanopename,spark,orpilotlight,such
asonawaterheaterorotherappliance.
•Ifyouspillfuel,donotattempttostarttheengine;
avoidcreatinganysourceofignitionuntilthefuel
vaporshavedissipated.
Operation
•Useyourfullattentionwhileoperatingthe
machine.Donotengageinanyactivitythat
causesdistractions;otherwise,injuryorproperty
damagemayoccur.
•Neverrunanengineinanenclosedarea.
•Operatethemachineonlyingoodlight,keeping
awayfromholesandhiddenhazards.
•Ensurethatallthedrivesareinneutralandthe
parkingbrakeisengaged(ifapplicable)before
startingtheengine.Starttheengineonlyfromthe
operator'sposition.
•Slowdownanduseextracareonhillsides.
Ensuretotravelintherecommendeddirectionon
hillsides.Turfconditionscanaffectthestabilityof
themachine.
•Slowdownandusecautionwhenmakingturns,
crossingroadsandsidewalks,andwhenchanging
directionsonslopes.
•Neveroperatethemachinewithouttheguards
securelyinplace.Ensurethatalltheinterlocksare
attached,adjusted,andfunctioningproperly .
•Donotchangetheengine-governorsettingor
overspeedtheengine.
•Parkthemachineonalevelsurface,lowerthe
hydrauliclift,disengagethehydraulics,engagethe
parkingbrake(ifapplicable),shutofftheengine,
4
andremovethekeybeforeleavingtheoperator's
positionforanyreason.
•Keepyourhandsandfeetawayfrommovingparts.
•Lookbehindanddownbeforebackingupto
ensurethatthepathisclear.
•Nevercarrypassengersandkeeppetsand
bystandersaway.
•Donotoperatethemachinewhenyouaretired,ill,
orundertheinuenceofalcoholordrugs.
•Usecarewhenloadingorunloadingthemachine
intoatrailerortruck.
•Usecarewhenapproachingblindcorners.
•Ensurethattheareaisclearofpeoplebefore
operatingthemachine.Stopthemachineif
anyoneentersthearea.
•Neverjerkthecontrols;useasteadymotion.
•Donottouchpartsthatmaybehotfromoperation.
Allowthemtocoolbeforeattemptingtomaintain,
adjust,orservicethemachine.
•Operatethemachineinareaswherethereare
noobstaclesincloseproximitytoyou.Failureto
maintainadequatedistancefromtrees,walls,and
otherbarriersmayresultininjuryasthemachine
backsupduringoperationifyouarenotattentive
tothesurroundings.Operatethemachineonlyin
areaswherethereissufcientclearanceforyou
tosafelymaneuver.
•Locatethepinchpointareasmarkedonthe
machineandkeepyourhandsandfeetawayfrom
theseareas.
•Lightningcancausesevereinjuryordeath.If
lightningisseenorthunderisheardinthearea,do
notoperatethemachine;seekshelter.
SlopeOperation
•Slopesareamajorfactorrelatedtoloss-of-control
andtip-overaccidents,whichcanresultinsevere
injuryordeath.Theoperatorisresponsiblefor
safeslopeoperation.operatingthemachineon
anysloperequiresextracaution.Beforeusingthe
machineonaslope,youmust:
–Reviewandunderstandtheslopeinstructions
inthemanualandonthemachine.
–Evaluatethesiteconditionsofthedayto
determineiftheslopeissafeformachine
operation.Alwaysusecommonsense
andgoodjudgmentwhenperformingthis
evaluation.Changesintheterrain,suchas
moisture,canquicklyaffecttheoperationof
themachineonaslope.
•Operateupanddownslopeswiththefrontof
themachineuphill.
•Identifyhazardsatthebaseoftheslope.Do
notoperatethemachineneardrop-offs,ditches,
embankments,waterorotherhazards.The
machinecouldsuddenlyrolloverifawheelortrack
goesovertheedgeortheedgecollapses.Keep
asafedistance(twicethewidthofthemachine)
betweenthemachineandanyhazard.
•Avoidstarting,stopping,orturningthemachineon
aslope.Avoidmakingsuddenchangesinspeed
ordirection;turnslowlyandgradually.
•Keepallmovementsonslopesslowandgradual.
Donotmakesuddenchangesinspeedor
direction.
•Donotoperatethemachineunderanyconditions
wheretraction,steering,orstabilityisinquestion.
Beawarethatoperatingthemachineonwetgrass,
acrossslopesordownhillmaycausethemachine
tolosetraction.Lossoftractiontothewheelsor
tracksmayresultinslidingandalossofbraking
andsteering.Themachinecanslideevenifthe
wheelsortracksarestopped.
•Identifyhazardsatthebaseoftheslope.Do
notoperatethemachineneardrop-offs,ditches,
embankments,waterorotherhazards.The
machinecouldsuddenlyrolloverifawheelortrack
goesovertheedgeortheedgecollapses.Keep
asafedistance(twicethewidthofthemachine)
betweenthemachineandanyhazard.
•Removeormarkobstaclessuchasditches,holes,
ruts,bumps,rocksorotherhiddenhazards.T all
grasscanhideobstacles.Uneventerraincould
overturnthemachine.
•Donotparkthemachineonahillsideorslope
withoutloweringthehydrauliclifttotheground.
MaintenanceandStorage
•Parkthemachineonalevelsurface,lowerthe
hydrauliclift,disengagethehydraulics,engagethe
parkingbrake(ifapplicable),shutofftheengine,
andremovethekey.Waitforallmovingpartsto
stopbeforeadjusting,cleaning,orrepairingthe
machine.
•Cleandebrisfromthehydrauliclift,drives,
mufers,andenginetohelppreventres.Wipe
upanyspilledoilorfuel.
•Allowtheenginetocoolbeforestoringanddonot
storethemachinenearames.
•Neverallowuntrainedpersonneltoservicethe
machine.
•Usejackstandstosupportthecomponentswhen
required.
•Carefullyreleasepressurefromcomponentswith
storedenergy.
•Keepyourhandsandfeetawayfromthemoving
parts.Ifpossible,donotmakeadjustmentswith
theenginerunning.
5
•Disconnectthebatteryorremovethespark-plug
wiresbeforemakinganyrepairs.Disconnect
thenegativeterminalrstandthepositivelast;
connectthepositiverstandthenegativelast.
•Chargethebatteryinanopen,well-ventilated
area,awayfromsparkandames.Unplugthe
chargerbeforeconnectingordisconnectingitfrom
thebattery.Wearprotectiveclothinganduse
insulatedtools.
•Batteryacidispoisonousandcancauseburns.
Avoidcontactwithskin,eyes,andclothing.Protect
yourface,eyes,andclothingwhenworkingwitha
battery.
•Batterygassescanexplode.Keepcigarettes,
sparks,andamesawayfromthebattery.
•Keepallpartsingoodworkingconditionandall
hardwaretightened.Replaceallwornordamaged
decals.
SafetyandInstructionalDecals
•Keepallnutsandboltstight.Keeptheequipment
ingoodcondition.
•Nevertamperwiththesafetydevices.
•Keepthemachinefreeofdebrisbuildup.Wipeup
anyspilledoilorfuel.Allowthemachinetocool
beforestoring.
•Shutofftheengine,removethekey ,andinspect
themachineifyoustrikeanobject.Makeany
necessaryrepairsbeforestarting.
•UseonlygenuineTororeplacementparts.
•Keepyourbodyandhandsawayfrompinhole
leaksornozzlesthatejecthigh-pressurehydraulic
uid.Usecardboardorpapertondhydraulic
leaks;neveruseyourhands.Hydraulicuid
escapingunderpressurecanpenetrateskinand
causeinjuryrequiringsurgerywithinafewhours
byaqualiedsurgeon;otherwise,gangrenemay
result.
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea
ofpotentialdanger.Replaceanydecalthatisdamagedormissing.
BatterySymbols
Someorallofthesesymbolsareonyourbattery .
1.Explosionhazard
2.Nore,opename,or
smoking
3.Causticliquid/chemical
burnhazard
4.Weareyeprotection.9.Flusheyesimmediately
5.ReadtheOperator's
Manual.
6.Keepbystandersasafe
distancefromthebattery.
7.Weareyeprotection;
explosivegasescan
causeblindnessandother
injuries.
8.Batteryacidcancause
blindnessorsevereburns.
withwaterandgetmedical
helpfast.
10.Containslead;donot
discard
decal93-6686
93-6686
1.Hydraulicuid
decalbatterysymbols
2.ReadtheOperator'sManual.
decal93-7814
93-7814
1.Entanglementhazard,belt—stayawayfrommovingparts;
keepallguardsandshieldsinplace.
6
93-9084
1.Liftpoint/Tie-downpoint
100-4650
1.Crushinghazardofhand—keepbystandersasafedistance
awayfromthemachine.
2.Crushinghazardoffoot—keepbystandersasafedistance
awayfromthemachine.
decal93-9084
decal137-3873
137-3873
1.ReadtheOperator’sManual.
decal100-4650
1.Parkingbrake
decal107-8495
107-8495
decal137-3874
137-3874
1.ReadtheOperator’sManual.
decal133-5619
133-5619
7
115-4020
1.Turnright3.Reverse
2.Forward
4.Turnleft
99-9952
1.Cuttinghazard,chainandauger—stayawayfrommovingpartsandkeepbystandersawayfromthemachine.
2.Warning—shutofftheengineandremovethekeybeforepreformingandmaintenanceorrepairs.
3.Explosionand/orelectricshockhazard—donotdiginareaswithburiedgasorpowerlines.
decal115-4020
decal99-9952
8
115-1230
1.Warning—donotoperatethismachineunlessyouaretrained.
2.Engine—stop
3.Engine—run
4.Trencherchain—reverse
5.Trencherchain—forward
6.Trencherchain—off
7.Enginethrottle
8.Fast
9.Slow
10.Choke
11.On/Closed
12.Off/Open
13.ReadtheOperator'sManualbeforestartingtheengine;tostarttheengine,movethetrencher-controlleverintotheOFFposition,
placethetractioncontrolintheNEUTRALposition,movethethrottlelevertotheFASTposition,engagethechoke,turnthekeyto
theRUNposition,anddisengagetheparkingbrakeoncetheenginehasstarted.
14.ReadtheOperator'sManualbeforeoperatingthetrencher;tooperatethetrencher,lowertheboom,movethetrencher-control
levertothereferencebar,pullthetractioncontrolrearwardtomoveinreverseanddigthetrench.
decal115-1230
9
decal115-1231
115-1231
1.Cutting/dismembermenthazardofbystanders,
trencher—keepbystandersasafedistanceawayfromthe
machine;donotoperatethetrencherchainwhiletransporting
themachine.
2.Explosionhazard,fueling—shutofftheengineandextinguish
allameswhenfueling.
3.Tipping/crushinghazard—lowertheboomwhenoperating
onslopes.
4.Warning—stayawayfrommovingparts;waitforallmoving
partstostop
5.Warning—lowertheboom,engagetheparkingbrake,shutoff
theengine,andremovethekeybeforeleavingthemachine.
6.Explosionhazard;shockhazard—donotusemachinenear
buriedutilitylines;contacttheproperagenciesbeforedigging.
7.Boomelevation
8.Lowertheboom
9.Raisetheboom
10
Setup
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescription
Boom(soldseparately)
1
2
3
Chain(soldseparately)
Nopartsrequired
Nopartsrequired
1
InstallingtheBoomand
Chain
Partsneededforthisprocedure:
1
Boom(soldseparately)
1
Chain(soldseparately)
Procedure
Important:Thereareseveralboomandchainsize
congurationsavailable.RefertoyourAuthorized
ServiceDealertoobtaintheappropriateboomand
chaintomeetyourrequirements.
1.Parkthemachineonalevelsurfaceandengage
theparkingbrake.
2.Shutofftheengineandremovethekey.
3.Removethebolt,2saddlewashers,andnut
securingthespoilsaugerandremovetheauger
(Figure3).
Note:Savethefastenersforfutureuse.
Qty.
1
1
–
–
1.Spoilsauger
2.Boom7.Jamnut
3.Bolts8.Armonthedrivehead
4.Doublewasher9.Drivesprocket
5.Nuts
4.Removethe2bolts,nuts,anddoublewashers
fromthesidesoftheboom(Figure3).
5.Loosentheadjustingboltandjamnut(Figure3).
6.Slidetheboomoverthearmonthedrivehead.
7.Installthe2bolts,nuts,anddoublewashers
removedinstep4throughtheboomandarm,
butdonottightenthem.
Installtheboomandchain.
Checktheuidlevels.
Chargethebattery(electric-startmodels
only).
Figure3
Use
6.Adjustingbolt
g011470
8.Ifthechainisnotconnected,connectthelinks
bypressingorhammeringtheclevispinsupplied
withthechainthroughthelinks.
Important:Toavoidbendingthechainlinks,
placeblocksunderandbetweenthelinks
whenhammeringtheclevispinthrough.
9.Securetheclevispinwiththecotterpinsupplied
withthechain.
11
10.Loopthediggingchainovertheaugerdriveshaft
andontothedrivesprocket,ensuringthatthe
diggingteethpointforwardontheupperspan.
11.Settheupperspanofthechainintoplaceon
thetrencherboom,thenwrapthechainaround
therollerattheendoftheboom.
12.Threadtheadjustmentboltintotheboomand
turnitinuntilthereis3.8to6.3cm(1-1/2to2-1/2
inches)ofslackinthechainonthebottomspan.
13.Threadthejamnutdowntheadjustingboltand
tightenitsecurelyagainsttheboom.
ProductOverview
14.T orquethe2boltsandnutssecuringtheboom
to183to223N·m(135to165ft-lb).
15.Installthespoilsaugerusingthebolt,2saddle
washer,andnutthatyouremovedpreviously.
16.T orquetheboltandnutto101N·m(75ft-lb).
2
CheckingtheFluidLevels
NoPartsRequired
Procedure
Beforestartingtheengineforthersttime,check
theengine-oilandhydraulic-uidlevels.Refertothe
followingsectionsformoreinformation:
•CheckingtheEngine-OilLevel(page27)
Figure4
1.Control
panel
2.Engine
3.Spoils
auger
4.Chain
guard
5.Chain
6.Digging
teeth
7.Boom10.Reverse
8.Trencher
head
9.Track
Controls
Becomefamiliarwithallthecontrols(Figure5)before
youstarttheengineandoperatethemachine.
ControlPanel
g015375
safety
plate
•CheckingtheHydraulic-FluidLevel(page40)
3
ChargingtheBattery
(Electric-StartModelsOnly)
NoPartsRequired
Procedure
Chargethebattery;refertoChargingtheBattery
(page32)formoreinformation.
Figure5
1.Tractioncontrol5.Throttlelever
2.Hydraulic-lift(boom
elevation)lever
3.Trenchercontrollever7.Keyswitch
4.Referencebar
12
g007801
6.Chokelever
8.Hourmeter
KeySwitch
Recoil-StartMachines
Thekeyswitchhas2positions:OFFandRUN.Refer
toStartingtheEngine(page17).
Electric-StartMachines
Thekeyswitchhas3positions:OFF,RUN,andSTART.
RefertoStartingtheEngine(page17).
TractionControl
g008128
Figure6
ThrottleLever
Movethecontrolforwardtoincreasetheenginespeed
andrearwardtodecreasetheenginespeed.
ChokeLever
Beforestartingacoldengine,movethechokelever
forward.Aftertheenginestarts,regulatethechoke
tokeeptheenginerunningsmoothly.Assoonas
possible,movethechokeleverallthewayrearward.
Note:Awarmenginerequireslittleornochoking.
HourMeter
Whentheengineisoff,thehourmeterdisplaysthe
numberofhoursofoperationthathavebeenlogged
onthemachine.
ReferenceBar
Whendrivingthemachine,usethereferencebar
asahandleandaleveragepointforcontrollingthe
machine.Toensuresmooth,controlledoperation,
donottakebothhandsoffthereferencebarwhile
operatingthemachine.
1.Referencebar
2.Tractioncontrol
•Tomoveforward,movethetractioncontrolforward
(Figure7).
g008129
Figure7
•Tomoverearward,movethetractioncontrol
rearward(Figure8).
Important:Whenreversing,lookbehindyou
forobstructionsandkeepyourhandsonthe
referencebar.
g008130
Figure8
13
•Toturnright,rotatethetractioncontrolclockwise
(Figure9).
Figure9
g008131
•Toturnleft,rotatethetractioncontrol
counterclockwise(Figure10).
Figure10
•Tostopthemachine,releasethetractioncontrol
(Figure6).
Note:Thefartheryoumovethetractioncontrolin
anydirection,thefasterthemachinemovesinthat
direction.
Hydraulic-Lift(BoomElevation)
Lever
g007802
Figure11
1.Lowertheboom2.Raisetheboom
Boom-ElevationLock
Theboom-elevationlocksecurestheboom-elevation
leversothatyoucannotpushitforward.Thishelps
toensurethatnooneaccidentallylowerstheboom
g008132
duringmaintenance.Securetheboomwiththelock
anytimeyouneedtostopthemachinewiththeboom
raised.
Tosetthelock,liftuponitsoitclearstheholeinthe
controlpanelandswingittotherightinfrontofthe
boomelevationlever,pushingitdownintothelocked
position(Figure12).
Tolowertheboom,slowlymovetheleverforward
(Figure11).
Toraisetheboom,slowlymovetheleverrearward
(Figure11).
g007803
Figure12
1.Boom-elevationlever2.Boom-elevationlock
14
TrencherControlLever
Specications
Todigwiththetrencher,rotatetheleverrearwardand
pullitdowntothereferencebar(Figure13,number1).
Toreversethetrencherhead,rotatethelever
rearward,thenmoveitleftintotheupperslot(Figure
13,number2).
Ifyoureleasethelever,itwillautomaticallyreturnto
theneutralposition(Figure13,number3),stopping
thechain.
Figure13
1.Forward3.Neutral
2.Reverse
Parking-BrakeLever
•Toengagetheparkingbrake,pullthebrakelever
rearwardandup(Figure14).
•Todisengagetheparkingbrake,pullthelever
rearwardandthendown(Figure14).
Note:Specicationsanddesignaresubjectto
changewithoutnotice.
Width
Lengthwith70cm(24
inch)boom
Lengthwith91.4cm(36
inch)boom
Lengthwith122cm(48
inch)boom(Model22974
only)
Height
Weight(Model22972)*499kg(1,100lb)
Weight(Model22973)*538kg(1,185lb)
Weight(Model22974)*578kg(1,208lb)
*A91.4cm(36inch)boomandchainaddsabout27kg(60lb)tothelisted
weight.
g007108
Attachments/Accessories
AselectionofToroapprovedattachmentsand
accessoriesisavailableforusewiththemachine
toenhanceandexpanditscapabilities.Contact
yourAuthorizedServiceDealerorauthorizedT oro
distributororgotowww.Toro.comforalistofall
approvedattachmentsandaccessories.
Toensureoptimumperformanceandcontinuedsafety
certicationofthemachine,useonlygenuineT oro
replacementpartsandaccessories.Replacement
partsandaccessoriesmadebyothermanufacturers
couldbedangerous,andsuchusecouldvoidthe
productwarranty.
86cm(33.8inches)
209.5cm(82.5inches)
235cm(92.6inches)
282.5cm(11 1.2inches)
117cm(46inches)
Figure14
1.Parking-brakelever(inthedisengagedposition)
g007804
15
Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
Important:Beforeoperatingthemachine,check
theuidlevels,andremovedebrisfromthe
machine.Ensurethattheareaisclearofpeople
anddebris.Youshouldalsoknowandhave
markedthelocationsofallutilitylines.
AddingFuel
DANGER
Incertainconditions,fuelisextremely
ammableandhighlyexplosive.Areor
explosionfromfuelcanburnyouandothers
andcandamageproperty.
•Fillthefueltanksoutdoors,inanopen
area,whentheengineiscold.Wipeupany
fuelthatspills.
•Neverllthefueltanksinsideanenclosed
trailer.
•Neversmokewhenhandlingfuelandstay
awayfromanopenameorwherefuel
fumesmaybeignitedbyaspark.
•Storefuelinanapprovedcontainerand
keepitoutofthereachofchildren.Never
buymorethana30-daysupplyoffuel.
•Donotoperatewithoutentireexhaust
systeminplaceandinproperworking
condition.
DANGER
Incertainconditionsduringfueling,static
electricitycanbereleased,causingaspark
thatcanignitethefuelvapors.Areor
explosionfromfuelcanburnyouandothers
andcandamageproperty.
•Alwaysplacefuelcontainersontheground
awayfromyourvehiclebeforelling.
•Donotllfuelcontainersinsideavehicle
oronatruckortrailerbed,becauseinterior
carpetsorplastictruckbedlinersmay
insulatethecontainerandslowthelossof
anystaticcharge.
•Whenpractical,removeequipmentfrom
thetruckortrailerandrefueltheequipment
withitswheelsontheground.
•Ifthisisnotpossible,thenrefuelsuch
equipmentonatruckortrailerfroma
portablecontainerratherthanfroma
fuel-dispensernozzle.
•Ifyoumustuseafuel-dispensernozzle,
keepthenozzleincontactwiththerimof
thefueltankorcontaineropeningatall
timesuntilfuelingiscomplete.
WARNING
Fuelisharmfulorfatalifswallowed.
Long-termexposuretovaporscancause
seriousinjuryandillness.
•Avoidprolongedbreathingofvapors.
•Keepyourfaceawayfromthenozzleand
fueltankopening.
•Keepfuelawayfromyoureyesandskin.
RecommendedFuel
•Forbestresults,useonlyclean,fresh(lessthan
30daysold),unleadedgasolinewithanoctane
ratingof87orhigher((R+M)/2ratingmethod).
•Ethanol:Gasolinewithupto10%ethanol
(gasohol)or15%MTBE(methyltertiarybutyl
ether)byvolumeisacceptable.Ethanoland
MTBEarenotthesame.Gasolinewith15%
ethanol(E15)byvolumeisnotapprovedforuse.
Neverusegasolinethatcontainsmorethan
10%ethanolbyvolume,suchasE15(contains
15%ethanol),E20(contains20%ethanol),orE85
(containsupto85%ethanol).Usingunapproved
gasolinemaycauseperformanceproblemsand/or
enginedamagewhichmaynotbecoveredunder
warranty.
•Donotusegasolinecontainingmethanol.
16
•Donotstorefueleitherinthefueltankorfuel
containersoverthewinterunlessyouuseafuel
stabilizer.
•Donotaddoiltogasoline.
5.Installthefuel-tankcapsecurely .
6.Wipeupanyspilledfuel.
PerformingDaily
UsingStabilizer/Conditioner
Useafuelstabilizer/conditionerinthemachineto
providethefollowingbenets:
•Keepsfuelfreshlongerwhenusedasdirectedby
thefuel-stabilizermanufacturer
•Cleanstheenginewhileitruns
•Eliminatesgum-likevarnishbuildupinthefuel
system,whichcauseshardstarting
Important:Donotusefueladditives
containingmethanolorethanol.
Addthecorrectamountoffuelstabilizer/conditioner
tothefuel.
Note:Afuelstabilizer/conditionerismost
effectivewhenmixedwithfreshfuel.T ominimize
thechanceofvarnishdepositsinthefuelsystem,
usefuelstabilizeratalltimes.
FillingtheFuelTank
1.Parkthemachineonalevelsurface,engage
theparkingbrake(ifapplicable),andlowerthe
hydrauliclift.
2.Shutofftheengine,removethekey,andallow
theenginetocool.
3.Cleanaroundthefuel-tankcapandremoveit
(Figure15).
Maintenance
Beforestartingthemachineeachday ,performthe
EachUse/DailyprocedureslistedinMaintenance
(page21).
StartingtheEngine
1.Movethethrottlelevermidwaybetweenthe
SLOWandFASTpositions(Figure16).
g007809
Figure16
1.Throttlelever3.Key
2.Chokelever
2.MovethechokelevertotheONposition(Figure
16).
Figure15
1.Fuel-tankcap
4.Fillthetankwithfueltoabout6to13mm(1/4to
1/2inch)belowthebottomofthellerneck.
Important:Thisspaceinthetankallows
fueltoexpand.Donotllthefueltank
completelyfull.
Note:Awarmorhotenginemaynotrequire
choking.
3.Starttheengineasfollowsforyourmachine:
•Forrecoil-startmachines,turnthekeytothe
ONposition,thenpulltherecoilhandleon
topoftheengine.
•Forelectric-startmachines,turnthekey
totheONposition(Figure16).Whenthe
enginestarts,releasethekey.
g247445
4.GraduallymovethechokelevertotheOFF
17
Important:Donotengagethestarterfor
morethan10secondsatatime.Ifthe
enginefailstostart,allowa30-second
cooldownperiodbetweenattempts.
Failuretofollowtheseinstructionscan
burnoutthestartermotor.
position(Figure16).Iftheenginestallsor
hesitates,engagethechokeagainuntilthe
enginewarmsup.