Toro 22972, 22972G, 22973, 22973G, 22974 Operator's Manual

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 specicDeclarationofConformity(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,helpndingadealer,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,asdenedinSection4442,maintainedin effectiveworkingorderortheengineisconstructed, equipped,andmaintainedforthepreventionofre.

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.

SerialNo.

Thismanualidentiespotentialhazardsandhas safetymessagesidentiedbythesafety-alertsymbol (Figure2),whichsignalsahazardthatmaycause seriousinjuryordeathifyoudonotfollowthe recommendedprecautions.

Contactusatwww.Toro.com.

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

Specications..................................................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

HydraulicFluidSpecications...........................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

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.Itisammable

anditsvaporsareexplosive.

•Extinguishallcigarettes,cigars,pipes,andother

sourcesofignition.

•Useonlyanapprovedfuelcontainer.

•Donotremovethefuelcaporllthefueltank

whiletheengineisrunningorhot.

•Donotaddordrainfuelinanenclosedspace.

•Donotstorethemachineorfuelcontainerwhere

thereisanopename,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,

andremovethekeybeforeleavingtheoperator's positionforanyreason.

•Keepyourhandsandfeetawayfrommovingparts.

•Lookbehindanddownbeforebackingupto

ensurethatthepathisclear.

•Nevercarrypassengersandkeeppetsand

bystandersaway.

•Donotoperatethemachinewhenyouaretired,ill,

orundertheinuenceofalcoholordrugs.

•Usecarewhenloadingorunloadingthemachine

intoatrailerortruck.

•Usecarewhenapproachingblindcorners.

•Ensurethattheareaisclearofpeoplebefore

operatingthemachine.Stopthemachineif anyoneentersthearea.

•Neverjerkthecontrols;useasteadymotion.

•Donottouchpartsthatmaybehotfromoperation.

Allowthemtocoolbeforeattemptingtomaintain, adjust,orservicethemachine.

•Operatethemachineinareaswherethereare

noobstaclesincloseproximitytoyou.Failureto maintainadequatedistancefromtrees,walls,and otherbarriersmayresultininjuryasthemachine backsupduringoperationifyouarenotattentive tothesurroundings.Operatethemachineonlyin areaswherethereissufcientclearanceforyou 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,

mufers,andenginetohelppreventres.Wipe upanyspilledoilorfuel.

•Allowtheenginetocoolbeforestoringanddonot

storethemachinenearames.

•Neverallowuntrainedpersonneltoservicethe

machine.

•Usejackstandstosupportthecomponentswhen

required.

•Carefullyreleasepressurefromcomponentswith

storedenergy.

•Keepyourhandsandfeetawayfromthemoving

parts.Ifpossible,donotmakeadjustmentswith theenginerunning.

•Disconnectthebatteryorremovethespark-plug

wiresbeforemakinganyrepairs.Disconnect thenegativeterminalrstandthepositivelast; connectthepositiverstandthenegativelast.

•Chargethebatteryinanopen,well-ventilated

area,awayfromsparkandames.Unplugthe chargerbeforeconnectingordisconnectingitfrom thebattery.Wearprotectiveclothinganduse insulatedtools.

•Batteryacidispoisonousandcancauseburns.

Avoidcontactwithskin,eyes,andclothing.Protect yourface,eyes,andclothingwhenworkingwitha battery.

•Batterygassescanexplode.Keepcigarettes,

sparks,andamesawayfromthebattery.

•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.Usecardboardorpapertondhydraulic leaks;neveruseyourhands.Hydraulicuid escapingunderpressurecanpenetrateskinand causeinjuryrequiringsurgerywithinafewhours byaqualiedsurgeon;otherwise,gangrenemay result.

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea ofpotentialdanger.Replaceanydecalthatisdamagedormissing.

BatterySymbols

Someorallofthesesymbolsareonyourbattery .

1.Explosionhazard

2.Nore,opename,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.Hydraulicuid

decalbatterysymbols

2.ReadtheOperator'sManual.

decal93-7814

93-7814

1.Entanglementhazard,belt—stayawayfrommovingparts; keepallguardsandshieldsinplace.

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

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

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

decal115-1231

115-1231

1.Cutting/dismembermenthazardofbystanders, trencher—keepbystandersasafedistanceawayfromthe machine;donotoperatethetrencherchainwhiletransporting themachine.

2.Explosionhazard,fueling—shutofftheengineandextinguish allameswhenfueling.

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

Setup

LooseParts

Usethechartbelowtoverifythatallpartshavebeenshipped.

ProcedureDescription

Boom(soldseparately)

1 2

Chain(soldseparately)

Nopartsrequired

InstallingtheBoomand Chain

Partsneededforthisprocedure:

Boom(soldseparately)

Chain(soldseparately)

Procedure

Important:Thereareseveralboomandchainsize

congurationsavailable.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.

Checktheuidlevels.

Chargethebattery(electric-startmodels only).

Figure3

Use

6.Adjustingbolt

g011470

8.Ifthechainisnotconnected,connectthelinks bypressingorhammeringtheclevispinsupplied withthechainthroughthelinks.

Important:Toavoidbendingthechainlinks,

placeblocksunderandbetweenthelinks whenhammeringtheclevispinthrough.

9.Securetheclevispinwiththecotterpinsupplied withthechain.

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).

CheckingtheFluidLevels

NoPartsRequired

Procedure

Beforestartingtheengineforthersttime,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)

ChargingtheBattery (Electric-StartModelsOnly)

NoPartsRequired

Procedure

Chargethebattery;refertoChargingtheBattery

(page32)formoreinformation.

Figure5

1.Tractioncontrol5.Throttlelever

2.Hydraulic-lift(boom elevation)lever

3.Trenchercontrollever7.Keyswitch

4.Referencebar

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

•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

TrencherControlLever

Specications

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:Specicationsanddesignaresubjectto

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 certicationofthemachine,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

Operation

Note:Determinetheleftandrightsidesofthe

machinefromthenormaloperatingposition.

Important:Beforeoperatingthemachine,check

theuidlevels,andremovedebrisfromthe machine.Ensurethattheareaisclearofpeople anddebris.Youshouldalsoknowandhave markedthelocationsofallutilitylines.

AddingFuel

DANGER

Incertainconditions,fuelisextremely ammableandhighlyexplosive.Areor explosionfromfuelcanburnyouandothers andcandamageproperty.

•Fillthefueltanksoutdoors,inanopen area,whentheengineiscold.Wipeupany fuelthatspills.

•Neverllthefueltanksinsideanenclosed trailer.

•Neversmokewhenhandlingfuelandstay awayfromanopenameorwherefuel fumesmaybeignitedbyaspark.

•Storefuelinanapprovedcontainerand keepitoutofthereachofchildren.Never buymorethana30-daysupplyoffuel.

•Donotoperatewithoutentireexhaust systeminplaceandinproperworking condition.

DANGER

Incertainconditionsduringfueling,static electricitycanbereleased,causingaspark thatcanignitethefuelvapors.Areor explosionfromfuelcanburnyouandothers andcandamageproperty.

•Alwaysplacefuelcontainersontheground awayfromyourvehiclebeforelling.

•Donotllfuelcontainersinsideavehicle 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.

•Donotstorefueleitherinthefueltankorfuel

containersoverthewinterunlessyouuseafuel stabilizer.

•Donotaddoiltogasoline.

5.Installthefuel-tankcapsecurely .

6.Wipeupanyspilledfuel.

PerformingDaily

UsingStabilizer/Conditioner

Useafuelstabilizer/conditionerinthemachineto providethefollowingbenets:

•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)belowthebottomofthellerneck.

Important:Thisspaceinthetankallows

fueltoexpand.Donotllthefueltank completelyfull.

Note:Awarmorhotenginemaynotrequire

choking.

3.Starttheengineasfollowsforyourmachine:

•Forrecoil-startmachines,turnthekeytothe

ONposition,thenpulltherecoilhandleon topoftheengine.

•Forelectric-startmachines,turnthekey

totheONposition(Figure16).Whenthe enginestarts,releasethekey.

g247445

4.GraduallymovethechokelevertotheOFF

Important:Donotengagethestarterfor

morethan10secondsatatime.Ifthe enginefailstostart,allowa30-second cooldownperiodbetweenattempts. Failuretofollowtheseinstructionscan burnoutthestartermotor.

position(Figure16).Iftheenginestallsor hesitates,engagethechokeagainuntilthe enginewarmsup.

5.Movethethrottlelevertothedesiredsetting (Figure16).

Important:Runningtheengineathigh

speedswhenthehydraulicsystemiscold (i.e.,whentheairtemperatureisator belowfreezing)coulddamagethehydraulic system.Whenstartingtheengineincold conditions,allowittoruninthemiddle throttlepositionfor2to5minutesbefore movingthethrottletotheFASTposition.

Note:Iftheoutdoortemperatureisbelow

freezing,storethemachineinagaragetokeep itwarmerandaidinstarting.

DrivingtheMachine

Usethetractioncontrolstomovethemachine.The fartheryoumovethetractioncontrolsinanydirection, thefasterthemachinemovesinthatdirection. Releasethetractioncontrolstostopthemachine.

CAUTION

Whenreversing,youmaybackintostationary objectsoroverbystandersandcauseserious personalinjuryordeath.

CAUTION

Achildoruntrainedbystandercould attempttooperatethemachineandbe injured.

Removethekeyfromtheswitchwhen leavingthemachine,evenifjustforafew seconds.

DiggingaTrench

DANGER

Thismachineiscapableofamputatinghands andfeet.

•Alwayswearsubstantial,slip-resistant footwear.

•Stayintheoperatingpositionwhilethe machineisrunning,andkeepawayfrom movingparts.

•Keepallbystandersasafedistanceaway fromthemachine.

•Stopthemachineimmediatelyifany peopleoranimalsentertheworkarea.

Lookbehindyouforobstructionsor bystandersandkeepyourhandsonthe referencebar.

Thethrottlecontrolregulatestheenginespeedas measuredinrpm(revolutionsperminute).Placethe throttleleverintheFASTpositionforbestperformance. Youcan,however,usethethrottlepositiontooperate atslowerspeeds.

ShuttingofftheEngine

1.Parkthemachineonalevelsurface,engage theparkingbrake(ifapplicable),andlowerthe hydrauliclift.

2.MovethethrottlelevertotheSLOWposition (Figure16).

3.Iftheenginehasbeenworkinghardorishot,let itidleforaminutebeforeturningthekeyswitch totheOFFposition.

Note:Thishelpstocooltheenginebeforeyou

shutitoff.Inanemergency ,youcanshutoff theengineimmediately.

4.TurnthekeyswitchtotheOFFpositionand removethekey.

WARNING

Diggingatrenchthrowssoilandother debrisintotheair,whichcouldinjureyouor bystanders.

•Alwaysweareyeprotectionwhenusing thetrencher.

•Keepallbystandersasafedistanceaway fromthetrencher.

WARNING

Thetrencherisveryloudwhendigginga trencherandcandamageyourears.

Alwayswearhearingprotectionwhenusing thetrencher.

1.Starttheengine,raisetheboom,movethe throttlelevertotheFASTposition,andmovethe machineovertheareatobetrenched.

2.Pullthetrenchercontrollevertothereference bartoengagethetrencher.

3.Slowlylowertheboomandchainintothe ground.

Note:T oachievethemaximumdepth,youmay

needtolowertheboomasfarintotheground asitcangowiththechainrunning.Then,stop

thechainandloweritfully.Startthechainagain andresumeoperation.

4.Oncethetrencherboomisinthegroundata45° to60°angle,slowlymovethemachinerearward toextendthetrench.

Note:Ifyoumovetoofast,thetrencherwillstall.

Ifitstalls,raiseitslightly,slowlydriveforward,or reversethechaindirectionmomentarily.

5.Whennished,raisetheboomoutofthetrench, thenstopthetrencher.

MovingaNon-Functioning Machine

Important:Donottoworpullthemachine

withoutrstopeningthetowvalves,oryouwill damagethehydraulicsystem.

1.Engagetheparkingbrakeandlowerthe hydrauliclift.

2.Shutofftheengineandremovethekey.

SecuringtheMachinefor Transport

Important:Donotoperateordrivethemachine

onroadways.Usecarewhenloadingorunloading themachineintoatrailerortruck.

1.Parkthemachineonalevelsurface,engage theparkingbrake(ifapplicable),andlowerthe hydrauliclift.

2.Shutofftheengineandremovethekey.

3.Securethemachinetoatrailerwithchainsor strapsusingthetie-down/liftloopsatthefront andrearofthemachine(Figure18andFigure

19).Refertoyourlocalordinancesfortrailerand

tie-downrequirements.

3.Removethebottomshield.

4.Usingawrench,turnthetowvalvesonthe hydraulicpumpstwicecounter-clockwise(Figure

17).

Figure17

1.Towvalves

5.Installthebottomshieldandtowthemachine asrequired.

6.Afterrepairingthemachine,closethetowvalves beforeoperatingit.

g015378

Figure18

1.Fronttie-downloop

g007816

g007818

Figure19

1.Reartie-downloops

LiftingtheMachine

Youcanliftthemachineusingthetie-down/liftloops asliftpoints(Figure18andFigure19).

OperatingTips

•Cleantheareaoftrash,branches,androcks

beforetrenchingtopreventdamagingthemachine.

•Alwaysbegintrenchingwiththeslowestground

speedpossible.Increasespeedifconditions permit.Ifthechainspeedslowsdown,reduce thegroundspeedtokeepthechainmovingatits fastestrate.Donotspinthetrackswhiletrenching.

•Alwaysusefullthrottle(maximumenginespeed)

whentrenching.

•Alwaystrenchbackward(i.e.,inreverse).

•Trenchwiththechainata45°to60°angleforbest

results.

•Youwillbeabletodigatrenchfasterbycontrolling

thedepthwithperiodicadjustmentsoftheboom.

•Ifthetrencherbindsinthesoil,reversethechain

direction.Oncethechainisloose,changechain directionsandcontinuetrenching.

•Ifyouneedthenishedtrenchtobecleaner

thanwhatispossiblewiththetrencher,you canpurchaseacrumberfromyourdealer.The crumbermountsontothetrencherheadand scrapesthetrenchcleanasyoudig.

•Usethecorrectchainforthegroundconditions,as

listedinthefollowingtable:

SoilTypeRecommendedChainType

SandySoilchain(congurewith

SandyLoam/Loam/Loamy Clay

Wet,stickyclay

Hardsoils:dryclayand compactedsoils

Rockysoil/gravel

extrateethforafasterdigging speed;refertoyourAuthorized ServiceDealer)

Soilchain

Combinationchain

Rockchain

•Toimprovethequalityoftrencheslessthan61cm

(24inches)deep,usea61cm(24inch)boom.

•Iftheliftspeedofthemachineistooslowortoo

fast,adjusttheboltindicatedinFigure20.

Figure20

1.Lift-speedadjustmentbolt

g020996

Maintenance

Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.

RecommendedMaintenanceSchedule(s)

MaintenanceService

Interval

Aftertherst8hours

Aftertherst50hours

Beforeeachuseordaily

Every25hours

Every40hours

Every100hours

MaintenanceProcedure

•Changetheengineoil.

•Checkandadjustthetracktension.

•Greasethemachine.(Greaseimmediatelyaftereverywashing.)

•Checktheengine-oillevel.

•Checktheconditionofandcleanthetracks.

•Checktheconditionofthediggingteethandreplaceanythatarewornordamaged.

•Removedebrisfromthemachine.

•Checkforloosefasteners.

•Cleanthefoamair-cleanerelement(moreoftenindirtyordustyconditions)—Models 22972and22973only.

•Checkthebatteryelectrolytelevel.

•Checkthehydraulic-uidlevel.

•Checkthediggingchainforexcessivewearandpropertension.

•Greasethetrencherhousing.

•Checkthepaperair-cleanerelement(moreoftenindirtyordustyconditions)—Models 22972and22973only.

•Changetheengineoil.

•Replaceorcleanandgapthesparkplug.

•Checkandadjustthetracktension.

•Checkthehydrauliclinesforleaks,loosettings,kinkedlines,loosemounting supports,wear,weather,andchemicaldeteriorationandrepairifnecessary.

•Replacethepaperair-cleanerelement(moreoftenindirtyordusty conditions)—Models22972and22973only.

Every200hours

Every250hours

Every400hours

Every500hours

Every1,500hours

Yearlyorbeforestorage

•Changetheengine-oillter.

•Replacethefuellter.

•Replacethehydrauliclter.

•Replacetheprimaryairlterandchecktheconditionofthesafetylter(moreoften indirtyordustyconditions)—Model22974only.

•Checkandgreasetheroadwheels.

•Changethehydraulicuid.

•Replacethesecondaryairlter.(moreoftenindirtyordustyconditions)—Model 22974only.

•Replaceallmovinghydraulichoses.

•Checkandadjustthetracktension.

•Checkandadjustthechaintension.

•T ouchupchippedpaint

Important:RefertoyourEngineOperator'sManualforadditionalmaintenanceprocedures.

CAUTION

Ifyouleavethekeyinthekeyswitch,someonecouldaccidentlystarttheengineandseriously injureyouorotherbystanders.

Removethekeyfromthekeyswitchanddisconnectthewiresfromthesparkplugsbefore youdoanymaintenance.Setthewiresasidesothattheydonotaccidentallycontactthe sparkplugs.

Pre-Maintenance Procedures

Important:Thefastenersonthecoversofthismachinearedesignedtoremainonthecoverafter

removal.Loosenallfastenersoneachcoverafewturnssothatthecoverisloosebutstillattached, thengobackandloosenthemuntilthecovercomesfree.Thispreventsyoufromaccidentallystripping theboltsfreeoftheretainers.

RemovingtheCoverPlate

1.Parkthemachineonalevelsurface,engage theparkingbrake(ifapplicable),andlowerthe hydrauliclift.

2.Shutofftheengineandremovethekey.

WARNING

Thereisabeltunderthecoverthatis movingwhenthemachineisrunning andcancatchngers,hands,loosehair, andclothing,causingseriousinjury, amputation,ordeath.

Alwaysshutofftheengineandwaitfor allmovingpartstostopbeforeremoving thecover.

3.Loosentheboltattherearofthecoverplate.

4.Loosenthe3boltssecuringthecoverplateto theframesequentiallyuntilthecoverisloose (Figure21).

Figure21

1.Coverplate

5.Pulluptherearofthecoverplateuntilitclears theengineandthenpullitoffovertheboltheads andoffthemachine.

6.T oinstallthecoverplatebeforeoperatingthe machine,slidetheplateintoplaceandsecureit withthe3boltsyouloosenedpreviously(Figure

21).

2.Bolts

g015379

RemovingtheBottom Shield

Lubrication

1.Parkthemachineonalevelsurface,engage theparkingbrake(ifapplicable),andlowerthe hydrauliclift.

2.Shutofftheengineandremovethekey.

3.Loosenthe2boltssecuringthebottomshield sequentiallyuntiltheshieldisfree(Figure22).

Figure22

1.Bottomshield2.Bolts

4.Pulltheshieldbackandoutofthemachine.

5.T oinstalltheshieldbeforeoperatingthe machine,slidethebottomshieldintothe machinesothatitrestsonall4tabsandsecure itwiththe2boltsyouloosenedpreviously (Figure22).

GreasingtheMachine

ServiceInterval:Beforeeachuseordaily(Grease

immediatelyaftereverywashing.)

GreaseType:General-purposegrease.

1.Parkthemachineonalevelsurface,engagethe parkingbrake,andlowerthehydrauliclift.

2.Shutofftheengineandremovethekey.

3.Cleanthegreasettingswitharag.

4.Connectagreaseguntoeachtting(Figure23 throughFigure26).

5.Pumpgreaseintothettingsuntilgreasebegins tooozeoutofthebearings(approximately3 pumps).

g011472

6.Wipeupanyexcessgrease.

Note:Youmayneedtoliftuponthebottom

shieldtoensurethatitrestsonthefronttabs.

g007821

Figure23

g007822

Figure24

GreasingtheTrencher Housing

ServiceInterval:Every40hours

GreaseType:General-purposegrease.

1.Parkthemachineonalevelsurface,engagethe parkingbrake,andlowerthehydrauliclift.

2.Shutofftheengineandremovethekey.

Figure25

Figure26

g007823

3.Cleanthetrencherhousinggreasettingwitha ragandconnectagreaseguntoit(Figure27).

g008334

g007824

Figure27

4.Pumpgreaseintothettinguntilgreasecomes outofthegreasevalvelocatednexttothetting.

5.Wipeupanyexcessgrease.

EngineMaintenance

ServicingtheAirCleaner

Models22972and22973

ServiceInterval:Every25hours—Cleanthefoam

air-cleanerelement(moreoftenin dirtyordustyconditions)—Models 22972and22973only.

Every100hours—Checkthepaperair-cleaner element(moreoftenindirtyordusty conditions)—Models22972and22973only .

Every200hours/Y early(whichevercomes rst)—Replacethepaperair-cleanerelement (moreoftenindirtyordustyconditions)—Models 22972and22973only.

Inspectthefoamandpaperelementsandreplace themiftheyaredamagedorexcessivelydirty .

Important:Donotoilthefoamorpaperelement.

RemovingtheFoamandPaperElements

1.Parkthemachineonalevelsurface,engagethe parkingbrake,andlowerthehydrauliclift.

2.Shutofftheengineandremovethekey.

3.Cleanaroundtheaircleanertopreventdirtfrom gettingintotheengineandcausingdamage (Figure28).

4.Loosenthecoverknobsandremovethe air-cleanercover(Figure28).

5.Loosenthehoseclampandremovethe air-cleanerassembly(Figure28).

6.Carefullypullthefoamelementoffthepaper element(Figure28).

Figure28

1.Cover

2.Hoseclamp4.Foamelement

3.Paperelement

CleaningtheFoamAir-CleanerElement

1.Washthefoamelementinliquidsoapand warmwater.Whentheelementisclean,rinse itthoroughly.

2.Drytheelementbysqueezingitinacleancloth.

Important:Replacethefoamelementifit

istornorworn.

ServicingthePaperAir-CleanerElement

1.Cleanthepaperelementbytappingitgentlyto removedust.Ifitisverydirty,replacethepaper element(Figure28).

2.Inspecttheelementfortears,anoilylm,or damagetotherubberseal.

3.Replacethepaperelementifitisdamaged.

g012619

Important:Donotcleanthepaperlter.

InstallingtheFoamandPaperAir-Cleaner Elements

Important:Topreventenginedamage,always

operatetheenginewiththecompletefoamand paperair-cleanerassemblyinstalled.

1.Carefullyslidethefoamelementontothepaper element(Figure28).

2.Placetheair-cleanerassemblyontothe air-cleanerbaseorhoseandsecureit(Figure

28).

3.Placetheair-cleanercoverintopositionand tightenthecoverknobs(Figure28).

Model22974

ServicingthePrimaryFilter

ServiceInterval:Every250hours(moreoftenindirty

ordustyconditions)—Model22974 only.

Every500hours(moreoftenindirtyordusty conditions)—Model22974only .

RemovingtheFilters

1.Parkthemachineonalevelsurface,engage theparkingbrake(ifapplicable),andlowerthe hydrauliclift.

2.Shutofftheengineandremovethekey.

3.Releasethelatchesontheaircleanerandpull theair-cleanercoverofftheair-cleanerbody (Figure29).

Inspecttheprimarylterfordamagebylookinginto thelterwhileshiningabrightlightontheoutsideof thelter.

Note:Holesinthelterappearasbrightspots.If

thelterisdirty,bent,ordamaged,replaceit.Donot cleantheprimarylter.

ServicingtheSafetyFilter

Replacethesafetylter,nevercleanit.

Important:Donotattempttocleanthesafety

lter.Ifthesafetylterisdirty,thentheprimary lterisdamaged.Replacebothlters.

InstallingtheFilters

Important:Topreventenginedamage,always

operatetheenginewithbothairltersandthe coverinstalled.

1.Ifyouareinstallingnewlters,checkeachlter forshippingdamage.

Note:Donotuseadamagedlter.

Figure29

1.Air-cleanerbody4.Air-cleanercover

2.Primarylter5.Safetylter

3.Latch

4.Cleantheinsideoftheair-cleanercoverwith compressedair.

5.Gentlyslidetheprimarylteroutofthe air-cleanerbody(Figure29).

Note:Avoidknockingthelterintothesideof

thebody.

6.Removethesafetylteronlyifyouintendto replaceit.

Important:Donotattempttocleanthe

safetylter.Ifthesafetylterisdirty,then theprimarylterisdamaged.Replaceboth lters.

2.Ifyouarereplacingthesafetylter,carefully slideitintothelterbody(Figure29).

3.Carefullyslidetheprimarylteroverthesafety lter(Figure29).

Note:Ensurethattheprimarylterisfully

g001883

seatedbypushingonitsouterrimwhileinstalling it.

Important:Donotpressonthesoftinside

areaofthelter.

4.Installtheair-cleanercoverwiththeside indicatedasupfacingupwardandsecurethe latches(Figure29).

ServicingtheEngineOil

ServiceInterval:Aftertherst8hours—Changethe

engineoil.

Beforeeachuseordaily—Checktheengine-oil level.

Every100hours—Changetheengineoil.

Every200hours—Changetheengine-oillter.

Note:Changetheoilmorefrequentlywhenthe

operatingconditionsareextremelydustyorsandy .

Note:Yourenginemaylookdifferentthantheone

showninthegraphics.

Engine-OilSpecications

OilType:Detergentoil(APIserviceSF ,SG,SH,or

SJ)

CrankcaseCapacity:

•Models22972and22973:1.7L(57oz)withthe

lterremoved;1.5L(51oz)withoutthelter removed

CheckingtheEngine-OilLevel

1.Parkthemachineonalevelsurface,engage theparkingbrake(ifapplicable),andlowerthe hydrauliclift.

2.Shutofftheengineandremovethekey.

•Models22974:2.1L(71oz)withthelter

removed;1.8L(61oz)withoutthelterremoved

Viscosity:Refertothetablebelow.

Figure30

g194611

g004216

Figure31

ChangingtheEngineOil

1.Starttheengineandletitrun5minutes.This warmstheoilsoitdrainsbetter.

2.Parkthemachinesothatthedrainsideisslightly lowerthantheoppositesidetoensurethatthe oildrainscompletely.

3.Lowertheboomandengagetheparkingbrake.

4.Shutofftheengine,removethekey ,andwait forallmovingpartstostopbeforeleavingthe operatingposition.

5.Placeapanbelowthedrainhose.

Note:Rotatetheoil-drainvalvetoallowoilto

drain(Figure32).

g194610

Figure33

Figure32

1.Oil-drainvalve2.Oil-drainhose

6.Whenoilhasdrainedcompletely,closethedrain valve.

7.Disposeoftheusedoilatarecyclingcenter

8.Slowlypourapproximately80%ofthespecied oilintothellertubeandslowlyaddthe additionaloiltobringittotheFullmark(Figure

33).

9.Starttheengineanddrivetoaatarea.

10.Checktheoillevelagain.

g015380

ChangingtheEngine-OilFilter

1.Draintheoilfromtheengine;refertoChanging

theEngineOil(page28).

2.Changetheengine-oillter(Figure34).

ServicingtheSparkPlug

ServiceInterval:Every100hours

Makesurethattheairgapbetweenthecenterand sideelectrodesiscorrectbeforeinstallingthespark plug.Useasparkplugwrenchforremovingand installingthesparkplug(s)andagappingtool/feeler gaugetocheckandadjusttheairgap.Installanew sparkplug(s)ifnecessary.

Figure34

TypeofSparkPlug:NGK

AirGap:0.75mm(0.03inch)

BPR4ESorequivalent

RemovingtheSparkPlug

1.Parkthemachineonalevelsurface,engage theparkingbrake(ifapplicable),andlowerthe hydrauliclift.

2.Shutofftheengineandremovethekey.

3.Locateandremovethesparkplugs(Figure35).

g027478

Figure35

g027477

Note:Ensurethattheoil-ltergaskettouches

theengine,andthenturntheoillteranextra 3/4turn.

3.Fillthecrankcasewiththepropertypeofnew oil;refertoEngine-OilSpecications(page27).

CheckingtheSparkPlug

Important:Donotcleanthesparkplug(s).

Alwaysreplacethesparkplug(s)whenithas:a blackcoating,wornelectrodes,anoilylm,or cracks.

Ifyouseelightbrownorgrayontheinsulator,the engineisoperatingproperly.Ablackcoatingonthe insulatorusuallymeanstheaircleanerisdirty .

Setthegapto0.75mm(0.03inch).

Figure36

FuelSystem Maintenance

DrainingtheFuelTank

DANGER

Incertainconditions,fuelisextremely ammableandhighlyexplosive.Areor explosionfromfuelcanburnyouandothers andcandamageproperty.

RefertoFuelSafety(page4)foracomplete listoffuelrelatedprecautions.

1.Parkthemachineonalevelsurface,engagethe

g206628

parkingbrake,andlowerthehydrauliclift.

2.Shutofftheengineandremovethekey.

3.Turnthefuel-shutoffvalvetotheclosedposition (Figure38).

InstallingtheSparkPlug

Figure37

g007830

Figure38

1.Fuel-shutoffvalve

4.Squeezetheendsofthehoseclamponthe

g027661

enginesideofthevalvetogetherandslideitup thefuellineawayfromthevalve(Figure38).

5.Pullthefuellineoffthevalve(Figure38).

6.Openthefuel-shutoffvalveandallowthefuelto drainintoafuelcanordrainpan.

Note:Ifdesired,youcanreplacethefuellter

atthistime;refertoReplacingtheFuelFilter

(page31).

7.Installthefuellineontothefuel-shutoffvalve. Slidethehoseclampclosetothevalvetosecure thefuelline.

8.Wipeupanyspilledfuel.

ReplacingtheFuelFilter

ElectricalSystem

ServiceInterval:Every200hours

Neverinstalladirtylterifitisremovedfromthefuel line.

Note:Notehowthefuellterisinstalledinorderto

installthenewltercorrectly.

Note:Wipeupanyspilledfuel.

1.Parkthemachineonalevelsurface,engagethe parkingbrake,andlowerthehydrauliclift.

2.Shutofftheengineandremovethekey.

3.Turnthefuelshutoffvalvetotheclosedposition (Figure38).

4.Squeezetheendsofthehoseclampstogether andslidethemawayfromthelter(Figure39).

Maintenance

ServicingtheBattery

Electric-StartMachinesOnly

ServiceInterval:Every25hours—Checkthebattery

electrolytelevel.

Alwayskeepthebatterycleanandfullycharged.Use apapertoweltocleanthebatterycase.Ifthebattery terminalsarecorroded,cleanthemwithasolutionof 4partswaterand1partbakingsoda.Applyalight coatingofgreasetothebatteryterminalstoreduce corrosion.

Voltage:12Vwith300A(coldcranking)at-18°C (0°F).

WARNING

CALIFORNIA

Proposition65Warning

Batteryposts,terminals,andrelated

accessoriescontainleadandlead

compounds,chemicalsknownto

theStateofCaliforniatocause

cancerandreproductiveharm.Wash

handsafterhandling.

Figure39

1.Hoseclamp3.Filter

2.Fuelline

5.Removethelterfromthefuellines.

6.Installanewlterandmovethehoseclamps closetothelter.

7.Turnthefuelshutoffvalvetotheopenposition (Figure38).

8.Checkforfuelleaksandrepairifneeded.

9.Wipeupanyspilledfuel.

g001468

WARNING

Incorrectbatterycableroutingcoulddamage themachineandcables,causingsparks. Sparkscancausethebatterygassesto explode,resultinginpersonalinjury.

•Alwaysdisconnectthenegative(black) cablebeforedisconnectingthepositive (red)cable.

•Alwaysconnectthepositive(red)cable beforeconnectingthenegative(black) cable.

WARNING

Batteryterminalsormetaltoolscouldshort againstmetalcomponents,causingsparks. Sparkscancausethebatterygassesto explode,resultinginpersonalinjury.

•Whenremovingorinstallingthebattery, donotallowthebatteryterminalstotouch anymetalpartsofthetractionunit.

4.Slidetheredterminalbootoffthepositive(red) batteryterminal.Thenremovethepositive(red) batterycable(Figure40).

5.Removetheholddownplate,j-bolts,and locknutssecuringthebattery(Figure40)and removethebattery.

ChargingtheBattery

•Donotallowmetaltoolstoshortbetween thebatteryterminalsandmetalpartsofthe tractionunit.

RemovingtheBattery

1.Parkthemachineonalevelsurface,engagethe parkingbrake,andlowerthehydrauliclift.

2.Shutofftheengineandremovethekey.

3.Lifttheblackrubbercoveronthenegativecable. Disconnectthenegativebatterycablefromthe negative(-)batteryterminal(Figure40).

WARNING

Chargingthebatteryproducesgassesthat canexplode.

Neversmokenearthebatteryandkeepsparks andamesawayfrombattery .

Important:Alwayskeepthebatteryfullycharged

(1.265specicgravity).Thisisespecially importanttopreventbatterydamagewhenthe temperatureisbelow0°C(32°F).

1.Removethebatteryfromthemachine;referto

RemovingtheBattery(page32).

2.Chargethebatteryatarateof3to4Afor4 to8hours(Figure41).Donotoverchargethe battery.

Figure40

1.Negativecable7.Positivecable

2.Nut(1/4inch)

3.Nut(5/16inch)

4.Bolt10.J-bolt

5.Rubbercover(red)

6.Rubbercover(black)

8.Batteryholddownplate

9.Washer

11.Battery

g003792

Figure41

1.Positivebatterypost

2.Negativebatterypost

g008335

3.Whenthebatteryisfullycharged,unplug

3.Red(+)chargerlead

4.Black(-)chargerlead

thechargerfromtheelectricaloutlet,then disconnectthechargerleadsfromthebattery posts(Figure41).

CheckingtheBatteryElectrolyte Level

4.Cleanthetopofthebatterywithapapertowel.

5.Removetheventcapsfromthebattery(Figure

42).

DANGER

Batteryelectrolytecontainssulfuricacid whichisfatalifconsumedandcausessevere burns.

•Donotdrinkelectrolyteandavoidcontact withskin,eyesorclothing.Wearsafety glassestoshieldyoureyesandrubber glovestoprotectyourhands.

•Fillthebatterywherecleanwaterisalways availableforushingtheskin.

1.Parkthemachineonalevelsurface,engagethe parkingbrake,andlowerthehydrauliclift.

2.Shutofftheengineandremovethekey.

3.Lookatthesideofthebattery.Theelectrolyte mustbeuptotheupperline(Figure42).Do notallowtheelectrolytetofallbelowtheLower line(Figure42).

6.Slowlypourdistilledwaterintoeachbatterycell untiltheelectrolytelevelisuptotheUpperline (Figure42)onthebatterycase.

Important:Donotoverllthebattery;

electrolyte(sulfuricacid)cancausesevere corrosionanddamagetothechassis.

7.Wait5to10minutesafterllingthebattery cells.Adddistilledwater,ifnecessary,untilthe electrolytelevelisuptotheUpperline(Figure

42)onthebatterycase.

8.Installthebatteryventcaps.

CleaningtheBattery

Note:Keeptheterminalsandtheentirebatterycase

clean,becauseadirtybatterydischargesslowly.

1.Parkthemachineonalevelsurface,engagethe parkingbrake,andlowerthehydrauliclift.

2.Shutofftheengineandremovethekey.

3.Removethebatteryfromthemachine;

RemovingtheBattery(page32).

Figure42

1.Ventcaps3.Lowerline

2.Upperline

4.Iftheelectrolyteislow,addtherequiredamount ofdistilledwater;refertoAddingWatertothe

Battery(page33).

AddingWatertotheBattery

Thebesttimetoadddistilledwatertothebatteryis justbeforeyouoperatethemachine.Thisletsthe watermixthoroughlywiththeelectrolytesolution.

1.Parkthemachineonalevelsurface,engagethe parkingbrake,andlowerthehydrauliclift.

2.Shutofftheengineandremovethekey.

3.Removethebatteryfromthemachine;referto

RemovingtheBattery(page32).

Important:Neverllthebatterywith

distilledwaterwhilethebatteryisinstalledin themachine.Electrolytecouldspillonother partsandcausecorrosion.

4.Washtheentirecasewithasolutionofbaking sodaandwater.

5.Rinsethebatterywithclearwater.

g000537

6.Coatthebatterypostsandcableconnectorswith Grafo112X(skin-over)grease(T oroPartNo. 505-47)orpetroleumjellytopreventcorrosion.

7.Installthebattery;refertoInstallingtheBattery

(page33).

InstallingtheBattery

1.Usingthefastenerspreviouslyremoved,install thepositive(red)batterycabletothepositive(+) batteryterminal(Figure41).

2.Slidetheredterminalbootontothepositive batterypost.

3.Usingthefastenerspreviouslyremoved,install thenegative(black)batterycabletothenegative (-)batteryterminal(Figure41).

4.Securethebatteryusingthebarandwingnuts (Figure41).

Important:Ensurethatthebatterycablesdonot

contactanysharpedgesoreachother.

ReplacingtheFuses

DriveSystem

(Models22973and22974)

Thereare4fusesintheelectricalsystem.Theyare underthecontrolpanelontheleftside(Figure43).

StartCircuit ChargeCircuit CoolerfanCircuit Headlight(optional)

Figure43

1.Fuseblock

30amp 25amp 15amp 15amp

Maintenance

ServicingtheTracks

CleaningtheTracks

ServiceInterval:Beforeeachuseordaily

Checkthetracksforexcessivewearandcleanthem periodically.Ifthetracksareworn,replacethem.

1.Parkthemachineonalevelsurface,engagethe parkingbrake,andlowerthehydrauliclift.

2.Shutofftheengineandremovethekey.

3.Usingawaterhoseorpressurewasher,remove

g015381

dirtfromeachtracksystem.

Important:Ensurethatyouusehigh-pressure

watertowashonlythetrackarea.Donotuse ahigh-pressurewashertocleantherestofthe machine.High-pressurewashingcandamagethe electricalsystemandhydraulicvalvesordeplete grease.

Important:Ensurethatyoufullycleantheroad

wheelsandthedrivesprocket(Figure44).The roadwheelsshouldrotatefreelywhenclean.

Figure44

1.Roadwheels3.Track

2.Drivesprocket

g007832

CheckingandAdjustingtheTrack Tension

ServiceInterval:Aftertherst50hours

Every100hours

Tocheckthetensionofeachtrack,place20.4kg(45 lb)onthetrackmidwaybetweenthefrontroadwheel andthedrivesprocket.Thetrackshouldexnomore than0.6to1cm(1/4to3/8inch).Ifitdoes,adjustthe tracktensionusingthefollowingprocedure:

Figure45

isappliedtothetrackspan.Adjustthetorqueon thetensioningboltasneeded.

6.Tightenthejamnut.

7.Tightentheclampboltsandtorqueto102N∙m (75ft-lb).

ReplacingtheTracks

Whenthetracksarebadlyworn,replacethem.

1.Parkthemachineonalevelsurface,engagethe parkingbrake,andlowerthehydrauliclift.

2.Shutofftheengineandremovethekey.

3.Liftandsupportthesideoftheunittobeworked onsothatthetrackis7.6to10cm(3to4 inches)offtheground.

4.Backoutthetensioningboltandjamnut(Figure

46).

5.Loosentheclampbolts(Figure46).

6.Pushthefrontroadwheelrearwardasfarasit cangoes(Figure47).

g007833

1.Parkthemachineonalevelsurface,engagethe parkingbrake,andlowerthehydrauliclift.

2.Shutofftheengineandremovethekey.

3.Loosenthejamnutonthetracktensioningbolt andtheclampboltsonthetensionarm(Figure

46).

Figure46

1.Tensioningbolt

2.Jamnut

3.Clampbolts

g007835

Figure47

1.Frontroadwheel

7.Beginremovingthetrackatthetopofthefront roadwheel,peelingitoffthewheelwhilerotating thetrackforward.

Note:Y oumayneedtoremovethefront,

g007825

outsideroadwheel.T oremoveit,removethe snapringandcapfromthecenteroftheroad wheel(Figure48).Nextremovetheboltand gasketfromthecenterofthewheelandpullthe wheeloffthemachine.

4.T orquethetensioningboltto32.5to40N∙m(24 to30ft-lb)totightenthetrack(Figure46).

5.Ensurethatthetrackdeectslessthan0.6to1 cm(1/4to3/8inch)when20.6kg(45lb)offorce

CheckingandGreasingtheRoad Wheels

ServiceInterval:Every250hours

1.Parkthemachineonalevelsurface,engagethe parkingbrake,andlowerthehydrauliclift.

2.Shutofftheengineandremovethekey.

3.Removethetracks;refertoReplacingthe

Tracks(page35).

Figure48

1.Snapring4.Gasket

2.Cap

3.Bolt

5.Wheelwithbearings

8.Whenthetrackisofftheroadwheel,removeit fromthemachine(Figure47).

9.Beginningatthedrivesprocket,coilthenew trackaroundthesprocket,ensuringthatthe lugsonthetracktbetweenthespacersonthe sprocket(Figure47).

10.Pushthetrackunderandbetweentherearand centerroadwheels(Figure47).

11.Startingatthebottomofthefrontroadwheel, installthetrackaroundthewheelbyrotating thetrackrearwardwhilepushingthelugsinto thewheel.

12.Ifyouremovedthefront,outsideroadwheel, installitatthistimeusingtheboltandgasket removedpreviously.Torquetheboltto102N∙m (75ft-lb)andthenclean,grease,andinstallthe capandsnapringasinstructedintheChecking

andGreasingtheRoadWheels(page36).

13.Installthetensioningboltandjamnut.

14.T orquethetensioningboltto32.5to40N∙m(24 to30ft-lb)totightenthetrack.

15.Ensurethatthetrackdeectslessthan0.6to1 cm(1/4to3/8inch)when20.6kg(45lb)offorce isappliedtothetrackspan.Adjustthetorqueon thetensioningboltasneeded.

g242269

4.Removethesnapringandcapfromaroad wheel(Figure49).

g013416

Figure49

1.Roadwheel

2.Roadwheelcap

3.Snapring

5.Checkthegreaseunderthecapandaround thegasket(Figure49).Ifitisdirty,gritty ,or depleted,cleanoutallofthegrease,replacethe gasket,andaddnewgrease.

6.Ensurethattheroadwheelturnssmoothlyonthe bearing.Ifitisfrozen,contactyourAuthorized ServiceDealertoreplacetheroadwheel.

7.Placethegreasedroadwheelcapoverthebolt head(Figure49).

8.Securetheroadwheelcapwiththesnapring (Figure49).

9.Repeatsteps4through8forall12roadwheels.

10.Installthetracks;refertoReplacingtheTracks

(page35).

16.Tightenthejamnut.

17.Tightentheclampboltsandtorqueto102N∙m (75ft-lb).

18.Lowerthemachinetotheground.

19.Repeattheproceduretoreplacetheothertrack.

BeltMaintenance

ReplacingthePump-Drive

ControlsSystem Maintenance

Belt

Ifthepumpdrivebeltbeginstosquealoriscracked, worn,orfrayed,replaceit.ContactyourAuthorized ServiceDealerforareplacementbelt.

1.Parkthemachineonalevelsurface,engagethe parkingbrake,andlowerthehydrauliclift.

2.Shutofftheengineandremovethekey.

3.Raisethebackofthemachineandsupportit onjackstands.

4.Removethebottomshield;refertoRemoving

theBottomShield(page23).

5.Loosenthe2pumpbolts(Figure50).

Adjustingthe Traction-ControlAlignment

Thefactoryadjuststhetractioncontrolsbefore shippingthemachine.However,aftermanyhours ofuse,youmayneedtoadjustthetraction-control alignment,theneutralpositionofthetractioncontrol, andthetrackingofthetractioncontrolinthefull forwardposition.

Important:Toadjustthecontrolsproperly,

completeeachprocedureintheorderlisted.

AdjustingtheTraction-Control ReversePosition

Ifthetractioncontrolbardoesnotrestushand squarewiththereferencebarwheninthefull reverseposition,immediatelycompletethefollowing procedure:

1.Parkthemachineonalevelsurface,engage theparkingbrake(ifapplicable),andlowerthe hydrauliclift.

Figure50

1.Pump3.Belt

2.Pumpbolts4.Idler-pulleyspring

6.Twistthepumpcounterclockwiseandallowitto dropdownawayfromthepulley(Figure50).

Note:Ensurethatthespidercouplerdrops

downwiththepump.

7.Usingaspringpuller(contactyourAuthorized ServiceDealer)orstiffmetalhook,pulltheend oftheidlerpulleyspringoffthespringboltto releasetensiononthebelt(Figure50).

8.Removethebelt.

9.Routeanewbeltaroundthepulleys.

10.Installtheidler-pulleyspringonthebolt.

11.Ensurethatthespidercouplerisinplaceonthe pumpandtheninsertitintothepulley,twistingit clockwisetoseatitonthepumpbolts.

12.T orquethepumpboltsto68N∙m(50ft-lb).

2.Shutofftheengineandremovethekey.

g015382

3.Pullbackthetractioncontrolsothatthefrontof thecontrolcontactsthereferencebar(Figure

51).

Figure51

1.Frontofthecontrol(outof

alignment)

4.Ifthefrontofthetractioncontroldoesnotrest squareandushwiththereferencebar,loosen thenutandboltinthestemofthetractioncontrol (Figure52).

2.Referencebar

g004190

13.Installthebottomshield.

Figure52

g004191

1.Tractioncontrol

2.Stem,bolt,andnut

5.Adjustthetractioncontrolsothatitrestsush againstthereferencebarwhenitispulled straightback(Figure52andFigure53).

Figure53

6.Tightentheangenutandboltinthetraction controlstem.

7.Starttheengine.

8.Drivethemachineinreversewiththetraction controltighttothereferencebar.Ifthemachine doesnotbackupstraight,completethefollowing procedure:

A.Shutofftheengine

B.Liftandsupportthemachinesothatboth

tracksareoffthegroundandarefreetorun.

C.Loosentheangenutandboltinthestem

ofthetractioncontrol(Figure52).

D.Loosenthejamnutsonthetractionrods,

underthecontrolpanel(Figure54).

g011476

Figure54

1.Tractionrod2.Jamnut

E.Startthemachineandsetthethrottleto

aboutthe1/3openposition.

WARNING

Whenthemachineisrunning,you

g004192

couldbecaughtandinjuredin movingpartsorburnedonhot surfaces.

Stayawayfrompinchpoints,moving parts,andhotsurfaceswhen adjustingtherunningmachine.

F.Haveahelperholdthetractioncontroltight

tothereferencebarinreverse.

G.Adjustthelengthofthetractionrodsuntil

bothtracksarerunningatthesamespeed.

Note:Youcanalsoadjustthemaximum

reversespeedofthetracksatthistime.

H.Tightenthejamnuts.

I.Adjustthetractioncontrolsothatitrests

ushagainstthereferencebarwhenitis pulledstraightback(Figure52andFigure

53).

J.Tightentheangenutandboltinthe

tractioncontrolstem.

K.Shutofftheengineandlowerthemachine

totheground.

L.Drivethemachineinfullreverse,checking

toseeifthemachinetracksstraight.Ifit doesnot,notethedirectionthemachine veers.Repeattheadjustmentsothatthe machinetracksstraightinreverse.

AdjustingtheTraction-Control NeutralPosition

Ifthemachinecreepsforwardorbackwardwhen thetractioncontrolisinneutralandthemachineis warm,youmayneedtoadjustthereturn-to-neutral mechanismonthepumps;contactyourAuthorized ServiceDealer.

AdjustingtheTraction-Control ForwardPosition

Ifthemachinedoesnotdrivestraightwhenyouhold thetractioncontrolforwardagainstthereferencebar, completethefollowingprocedure:

1.Drivethemachinewiththetractioncontrol againstthereferencebar,notingwhichdirection themachineveers.

2.Releasethetractioncontrol.

HydraulicSystem Maintenance

WARNING

Hydraulicuidescapingunderpressurecan penetrateskinandcauseinjury.Fluidinjected intotheskinmustbesurgicallyremoved withinafewhoursbyadoctorfamiliarwith thisformofinjuryorgangrenemayresult.

•Keepyourbodyandhandsawayfrom pinholeleaksornozzlesthatejecthigh pressurehydraulicuid.

•Usecardboardorpapertondhydraulic leaks,neveruseyourhands.

HydraulicFluid

3.Ifthemachineveerstotheleft,loosentheright

jamnutandadjustthetrackingsetscrewonthe frontofthetractioncontrol(Figure55).

4.Ifthemachineveerstotheright,loosentheleft

jamnutandadjustthetrackingsetscrewonthe frontofthetractioncontrol(Figure55).

Figure55

1.Setscrew3.Stop

2.Jamnut

Specications

Every1,500hours/Every2years(whichever comesrst)—Replaceallmovinghydraulic hoses.

HydraulicTankCapacity:23L(6USgallons)

Useonly1ofthefollowinguidsinthehydraulic system:

•ToroPremiumTransmission/HydraulicTractor

Fluid(refertoyourAuthorizedT oroDealerfor moreinformation)

•ToroPremiumAllSeasonHydraulicFluid

(refertoyourAuthorizedToroDealerformore information)

•IfeitheroftheaboveT orouidsarenotavailable,

youmayuseanotherUniversalTractor

HydraulicFluid(UTHF),buttheymustbeonly conventional,petroleum-basedproducts.The

g004194

specicationsmustfallwithinthelistedrangefor allthefollowingmaterialpropertiesandtheuid shouldmeetthelistedindustrystandards.Check withyourhydraulicuidsuppliertodetermineifthe uidmeetsthesespecications.

5.Repeattheprocedureuntilthemachinedrives straightinthefullforwardposition.

Important:Ensurethatthesetscrewstouch

thestopsinthefullforwardpositiontoavoid overstrokingthehydraulicpumps.

Note:T orowillnotassumeresponsibilityfor

damagecausedbyimpropersubstitutions,souse onlyproductsfromreputablemanufacturerswho willstandbehindtheirrecommendations.

MaterialProperties

cStat40°C:55to62 Viscosity,ASTMD445

cStat100°C:9.1to9.8

Viscosityindex,ASTMD2270

PourPoint,ASTMD97-37to-43°C(-35to-46°F)

140to152

IndustryStandards

APIGL-4,AGCOPoweruid821XL,FordNewHolland FNHA-2-C-201.00,KubotaUDT ,JohnDeereJ20C,Vickers 35VQ25andVolvoWB-101/BM

Note:Manyhydraulicuidsarealmostcolorless,

makingitdifculttospotleaks.Areddyeadditive forthehydraulicsystemuidisavailablein20 ml(0.67oz)bottles.Onebottleissufcientfor 15to22L(4to6USgallons)ofhydraulicuid. OrderPartNo.44-2500fromyourAuthorizedT oro Dealer.

Checkingthe Hydraulic-FluidLevel

1.Filler-neckcap

g007839

Figure57

2.Hydraulic-uidlter

ServiceInterval:Every25hours

RefertoHydraulicFluidSpecications(page39).

1.Parkthemachineonalevelsurface,engage theparkingbrake(ifapplicable),andlowerthe hydrauliclift.

2.Shutofftheengineandremovethekey.

3.Lookintotheglassbubbleontherightsideof themachine.Ifyoucannotseehydraulicuidin thebubble,continuethisproceduretoadduid.

Figure56

6.Ifthelevelislow,adduiduntilitisvisibleinthe glassbubble.

7.Installthecapandlteronthellerneckand torqueboltontopto13to15.5N∙m(110to140 in-lb).

8.Installthecoverplate;refertoRemovingthe

CoverPlate(page22).

ReplacingtheHydraulic Filter

ServiceInterval:Every200hours

1.Parkthemachineonalevelsurface,engage theparkingbrake(ifapplicable),andlowerthe hydrauliclift.

2.Shutofftheengineandremovethekey.

3.Removethetopcover.

4.Removeanddiscardtheoldlter(Figure58).

g007808

1.Hydraulic-uidcheckbubble

4.Removethecoverplate;refertoRemovingthe

CoverPlate(page22).

5.Cleantheareaaroundthellerneckofthe hydraulictankandremovethecapandlter fromthellerneckusingasocket(Figure57).

g007839

Figure58

1.Fillercap

2.Hydrauliclter

5.Installthereplacementhydrauliclterandller cap(Figure58)andtorquetheboltontopto13 to15.5N∙m(110to140in-lb).

6.Cleanupanyspilleduid.

7.Installthetopcover.

ChangingtheHydraulic Fluid

ServiceInterval:Every400hours/Yearly(whichever

comesrst)

1.Parkthemachineonalevelsurface,engage theparkingbrake(ifapplicable),andlowerthe hydrauliclift.

2.Shutofftheengineandremovethekey.

3.Allowthemachinetocoolcompletely.

4.Removethetopcover.

5.Removethehydraulic-tankllercapandlter (Figure58).

6.Placeadrainpancapableofholding37.8L(10 USGallons)underthehydraulictank.

7.Pinchthehoseclampandslidetheclampand hoseoffthettingonthehydraulictank,allowing thehydraulicuidtodrainfromthehoseand tankintothepan.

g007840

Figure59

1.Hose

2.Hydraulic-tanktting

3.Hoseclamp

8.Whennished,installthehoseontothetting andsecureitwiththehoseclamp.

Note:Disposeoftheusedoilatacertied

recyclingcenter.

9.Fillthehydraulictankwithhydraulicuid;refer toHydraulicFluidSpecications(page39).

10.Installthehydrauliclterandllercap(Figure

58)andtorquetheboltontopto13to15.5N∙m

(110to140in-lb).

11.Starttheengineandletitrunforafewminutes.

12.Shutofftheengine.

13.Checkthehydraulic-uidlevelandtopitoffif necessary;refertoCheckingtheHydraulic-Fluid

Level(page40).

14.Cleanupanyspilleduid.

15.Installthetopcover.

TrencherMaintenance

ReplacingtheDigging Teeth

ServiceInterval:Beforeeachuseordaily—Check

theconditionofthediggingteeth andreplaceanythatarewornor damaged.

Duetothehighamountofwearplacedonthedigging teeth,youwillneedtoreplacethemperiodically.

Toreplaceasingletooth,removetheboltssecuring thetoothtoremoveit,theninstallanewtoothinthe sameposition.T orquetheboltssecuringtheteethto 37to45N∙m(27to33ft-lb).

CheckingandAdjustingthe DiggingChainandBoom

ServiceInterval:Every25hours

•Checkeachlinkinthechainforexcessivewear,

suchaslinksthatcannolongerholdteeth.

•Inspectthebottomoftheboomforwear.

•Withthetrencherparalleltotheground,ensure

thatthereare3.8to6.3cm(1-1/2to2-1/2inches) betweenthebottomoftheboomandthetopofthe bottomchainspan.Ifnot,adjustthechaintension.

Important:Donotovertightenthechain.

Excessivechaintensionmaydamagedrive components.

Toreplaceawornchain,iporreplaceaworn boom,oradjustthechaintension,usethefollowing procedure:

1.Parkthemachineonalevelsurface,engagethe parkingbrake,andlowerthehydrauliclift.

2.Shutofftheengineandremovethekey.

3.Ifyouarereplacingthechainorippingor replacingtheboom,completethefollowing:

A.Removethe2boltsandnutssecuringthe

boomtothetrencherarm.

g007841

Figure60

1.Bolts

2.Jamnut

3.Adjustingbolt

B.Loosenthejamnutontheadjustingboltin

theboom.

C.Loosentheadjustingboltuntilyoucan

removethechainfromtheboom.

D.Removethechainfromthedrivesprocket.

E.Ifthechainneedsreplacing,removethe

boltandnutsecuringthespoilsaugerand removetheaugerandchain.

F.Removetheboom,ipitoversothebottom

becomesthetop(orifyouhavealready ippeditonce,replaceit),andinstallthe boomagain.

G.Replacethenuts,bolts,andwashersto

securetheboom.

H.Ifyouareinstallinganewchain,connect

thelinksbypressingorhammeringthe clevispinsuppliedwiththechainthrough thelinks,thensecuretheclevispinwiththe cotterpinsuppliedwiththechain.

Important:Toavoidbendingthechain

links,placeblocksunderandbetween thelinkswhenhammeringtheclevispin through.

I.Installthechainoverthedrivesprocketand

frontroller.

J.Ifyouremovedthespoilsauger,install

itusingtheboltandnutyouremoved previously.Torquetheboltandnutto102 N∙m(75ft-lb).

K.Skiptostep6tocompletetheadjustment.

4.Loosenthe2boltsandnutssecuringtheboom tothetrencherarm

5.Loosenthejamnutsecuringtheadjustmentbolt.

6.Turntheadjustmentboltinoroutasneededto achievethedesiredtension.

7.Tightenthejamnut.

8.T orquethe2boltsandnutssecuringtheboom to183to223N∙m(135to165ft-lb).

ReplacingtheDrive

12.Slidethenewsprocketontotheshaft(Figure

61).

Important:Thearrowonthesprocketface

shouldbevisiblefromtherightsideof thetrenchandshouldpointinaclockwise direction;ifnot,turnthesprocketaround.

Sprocket

Overtime,thedrivesprocketwears,especiallywhen itisusedinsandyorclaysoils.Whenthishappens, thediggingchainbeginstoslip.Ifthechainslips, replacethedrivesprocketasfollows:

1.Parkthemachineonalevelsurface,engage theparkingbrake

2.Raisethetrencherafewinchesabovethe ground.

3.Shutofftheengineandremovethekey.

4.Removethespoilsauger(Figure61).

13.Threadthe6boltsintothesprocketngertight (Figure61).

14.Slowlybegintighteningtheboltsprogressing aroundthesprocketuntilallboltsaretorquedto 129to155N∙m(95to115ft-lb).

Important:Tighteneachboltonlyhalfway

rst,workingyourwayaroundthe6bolts, thenreturntoeachboltinturnandtorque them

15.Loopthechainovertheaugerdriveshaftand ontothedrivesprocket,ensuringthattheteeth pointforwardontheupperspan.

16.Settheupperspanofthechainintoplaceon thetrencherboom,thenwrapthechainaround therollerattheendoftheboom.

17.Threadtheadjustmentboltintotheboomand turnitinuntilthereis3.8to6.3cm(1-1/2to2-1/2 inches)ofslackinthechainonthebottomspan.

18.Threadthejamnutdowntheadjustingboltand tightenitsecurelyagainsttheboom.

19.T orquethe2boltsandnutssecuringtheboom to183to223N∙m(135to165ft-lb).

Figure61

1.Spoilsauger

2.Bolts

3.Drivesprocket

4.Sprocketmountingsurface

5.Loosenthe2boltsandnutssecuringtheboom tothetrencherarm.

6.Loosenthejamnutontheadjustingboltinthe boom.

7.Loosentheadjustingboltuntilyoucanremove thechainfromtheboom.

8.Removethechainfromthedrivesprocket.

9.Removethe6boltssecuringthedrivesprocket (Figure61).

10.Removeanddiscardthedrivesprocket(Figure

61).

11.Cleanthesprocketmountingsurfaceonthe trencher(Figure61).

20.Installthespoilsaugerusingtheboltandnut

g007842

youremovedpreviously.

Note:T orquetheboltandnutto102N∙m(75

ft-lb).

Cleaning

RemovingDebrisfromthe

Storage

1.Parkthemachineonalevelsurface,engagethe parkingbrake,andlowerthehydrauliclift.

Machine

Important:Operatingtheenginewithblocked

screens,dirtyorpluggedcoolingns,and/or coolingshroudsremovedwillresultinengine damagefromoverheating.

1.Parkthemachineonalevelsurface,engage theparkingbrake(ifapplicable),andlowerthe hydrauliclift.

2.Shutofftheengine,removethekey ,andwait fortheenginetocool.

3.Wipeawaydebrisfromtheaircleaner.

4.Cleananydebrisbuildupontheenginewitha brushorblower.

Important:Itispreferabletoblowdirt

out,ratherthanwashingitout.Ifyouuse water,keepitawayfromelectricalitemsand hydraulicvalves.Donotuseahigh-pressure washer.High-pressurewashingcandamage theelectricalsystemandhydraulicvalvesor depletegrease.

5.Cleandebrisfromtheoilcooler.

2.Shutofftheengine,removethekey ,andwait fortheenginetocool.

3.Removedirtandgrimefromtheexternalpartsof theentiremachine,especiallytheengine.Clean dirtandchafffromtheoutsideoftheengine cylinderheadnsandblowerhousing.

Important:Youcanwashthemachinewith

milddetergentandwater.Donotpressure washthemachine.Avoidexcessiveuse ofwater,especiallynearthecontrolpanel, engine,hydraulicpumps,andmotors.

4.Servicetheaircleaner;refertoServicingtheAir

Cleaner(page25).

5.Greasethemachine;refertoGreasingthe

Machine(page23).

6.Changethecrankcaseoil;refertoChangingthe

EngineOil(page28).

7.Removethesparkplugandcheckthecondition ofit;refertoServicingtheSparkPlug(page29).

8.Forstorageover30days,preparethemachine asfollows:

A.Addapetroleum-based

stabilizer/conditionertofuelinthe tank.Followthemixinginstructionsfrom thestabilizermanufacturer.Donotuse analcohol-basedstabilizer(ethanolor methanol).

Note:Afuelstabilizer/conditionerismost

effectivewhenitismixedwithfreshfueland isusedatalltimes.

B.Runtheenginetodistributeconditionedfuel

throughthefuelsystemfor5minutes.

C.Shutofftheengine,allowittocool,and

drainthefueltankusingapumptype syphon.

D.Starttheengineandrunituntilitshutsoff.

E.Engagethechoke.

F.Startandruntheengineuntilitdoesnot

startagain.

G.Disposeoffuelproperly.Recycleaccording

tolocalcodes.

Important:Donotstorefuelcontaining

stabilizer/conditionerlongerthanthe durationrecommendedbythefuel-stabilizer manufacturer.

9.Withthesparkplugremovedfromtheengine, pour2tablespoonsofengineoilintothe spark-plughole.

10.Placearagoverthespark-plugholetocatch anyoilspray,thenusethestarterorrecoil handletocranktheengineanddistributetheoil insidethecylinder.

11.Installthesparkplug,butdonotinstallthewire onthesparkplug.

12.Chargethebattery(electric-startmachines only);refertoChargingtheBattery(page32).

13.Checkandadjustthetracktension;referto

CheckingandAdjustingtheTrackTension(page

35).

14.Checkandadjustthediggingchaintension; refertoCheckingandAdjustingtheDigging

ChainandBoom(page42).

15.Checkandtightenallfasteners.Repairor replaceanypartthatisdamaged.

16.Paintallscratchedorbaremetalsurfaceswith paintavailablefromyourAuthorizedService Dealer.

17.Storethemachineinaclean,drygarageor storagearea.Removethekeyfromtheignition switchandkeepitinamemorableplace.

18.Coverthemachinetoprotectitandkeepitclean.

Troubleshooting

Problem

Thestarterdoesnotcrank(electric-start machinesonly).

Theenginedoesnotstart,startshard,or failstokeeprunning.

Theenginelosespower.

PossibleCauseCorrectiveAction

1.Thebatteryisdischarged.

2.Theelectricalconnectionsare corrodedorloose.

3.Therelayorswitchisdamaged.

1.Thefueltankisempty.1.Fillthetankwithfreshfuel.

2.Thefuel-shutoffvalveisclosed.2.Openthefuel-shutoffvalve.

3.Thecontrolsarenotinneutral.3.Movethecontrolstoneutral.

4.Thechokeisnoton.

5.Theaircleanerisdirty.

6.Thespark-plugwireislooseor disconnected.

7.Thesparkplugispitted,fouled,orthe gapisincorrect.

8.Dirt,water,orstalefuelisinfuel system.

1.Theengineloadisexcessive.1.Reducethegroundspeed.

2.Theaircleanerisdirty.

3.Theoillevelincrankcaseislow.

4.Thecoolingnsandairpassages undertheengineblowerhousingare plugged.

5.Thesparkplugispitted,fouled,orthe gapisincorrect.

6.Dirt,water,orstalefuelisinfuel system.

1.Chargethebatteryorreplaceit.

2.Checktheelectricalconnectionsfor goodcontact.

3.ContactyourAuthorizedService Dealer.

4.Movethechokeleverfullyforward.

5.Cleanorreplacetheair-cleaner elements.

6.Installthewireonthesparkplug.

7.Installanew,correctlygappedspark plug.

8.ContactyourAuthorizedService Dealer.

2.Cleanorreplacetheair-cleaner elements.

3.Checkandaddoiltothecrankcase.

4.Removeanyobstructionsfromthe coolingnsandairpassages.

5.Installanew,correctlygappedspark plug.

6.ContactyourAuthorizedService Dealer.

Theengineoverheats.

Thereisabnormalvibration.1.Theenginemountingboltsareloose.1.Tightentheenginemountingbolts.

Themachinedoesnotdrive.

Thechaindoesnotturn.

1.Theengineloadisexcessive.1.Reducethegroundspeed.

2.Theoillevelincrankcaseislow.

3.Thecoolingnsandairpassages undertheengineblowerhousingare plugged.

1.Theparkingbrakeisengaged.1.Disengagetheparkingbrake.

2.Thehydraulic-uidlevelislow.2.Checkandaddhydraulicuid.

3.Thetowvalvesareopen.

4.Thehydraulicsystemisdamaged.

1.Sandordebrishasbuiltupinatooth rootofthedrivesprocket.

2.Thediggingchainistootight.2.Adjustthediggingchaintension. Thetrencherboomendbearinghas

3. failed.

4.Thetrencherdrivesystemisdamaged.

Thehydraulicsystemisobstructed,

5. contaminated,ordamaged.

2.Checkandaddoiltothecrankcase.

3.Removeanyobstructionsfromthe coolingnsandairpassages.

3.Closethetowvalves.

4.ContactyourAuthorizedService Dealer.

1.Runthechainbackwardandthen reducethechaintension.

3.ContactyourAuthorizedService Dealer.

4.ContactyourAuthorizedService Dealer.

ContactyourAuthorizedService Dealer.

Problem

PossibleCauseCorrectiveAction

Thetrencherdoesnotdigfastenough.

1.Thediggingteethareworn.1.Replacethediggingteeth.

2.Thechainyouareusingisnot appropriateforthetypeofground.

3.Thehydraulicsystemisoverheated.

4.Thehydraulicsystemisobstructed, contaminated,ordamaged.

2.Evaluatethegroundtypeandchange chainsifnecessary .

3.Shutdownandallowthesystemto cool.

4.ContactyourAuthorizedService Dealer.

Schematics

ElectricalSchematic—Model22972(Rev.A)

g015383

ElectricalSchematic—Model22973(Rev.A)

g015384

ElectricalSchematic—Model22974(Rev.A)

g015439

HydraulicSchematic(Rev .C)

g028603

Notes:

EuropeanPrivacyNotice

TheInformationToroCollects ToroWarrantyCompany(Toro)respectsyourprivacy.Inordertoprocessyourwarrantyclaimandcontactyouintheeventofaproductrecall,weaskyou tosharecertainpersonalinformationwithus,eitherdirectlyorthroughyourlocalT orocompanyordealer.

TheT orowarrantysystemishostedonserverslocatedwithintheUnitedStateswhereprivacylawmaynotprovidethesameprotectionasapplies inyourcountry.

BYSHARINGYOURPERSONALINFORMATIONWITHUS,YOUARECONSENTINGTOTHEPROCESSINGOFYOURPERSONALINFORMATION ASDESCRIBEDINTHISPRIV ACYNOTICE.

TheWayT oroUsesInformation Toromayuseyourpersonalinformationtoprocesswarrantyclaims,tocontactyouintheeventofaproductrecallandforanyotherpurposewhichwetell youabout.ToromayshareyourinformationwithT oro'safliates,dealersorotherbusinesspartnersinconnectionwithanyoftheseactivities.Wewillnot sellyourpersonalinformationtoanyothercompany.Wereservetherighttodisclosepersonalinformationinordertocomplywithapplicablelawsand withrequestsbytheappropriateauthorities,tooperateoursystemsproperlyorforourownprotectionorthatofotherusers.

RetentionofyourPersonalInformation Wewillkeepyourpersonalinformationaslongasweneeditforthepurposesforwhichitwasoriginallycollectedorforotherlegitimatepurposes (suchasregulatorycompliance),orasrequiredbyapplicablelaw .

Toro'sCommitmenttoSecurityofYourPersonalInformation Wetakereasonableprecautionsinordertoprotectthesecurityofyourpersonalinformation.Wealsotakestepstomaintaintheaccuracyandcurrent statusofpersonalinformation.

AccessandCorrectionofyourPersonalInformation Ifyouwouldliketorevieworcorrectyourpersonalinformation,pleasecontactusbyemailatlegal@toro.com.

AustralianConsumerLaw

AustraliancustomerswillnddetailsrelatingtotheAustralianConsumerLaweitherinsidetheboxoratyourlocalT oroDealer.

374-0282RevC

CaliforniaProposition65WarningInformation

Whatisthiswarning?

Youmayseeaproductforsalethathasawarninglabellikethefollowing:

WARNING:CancerandReproductiveHarm—www.p65Warnings.ca.gov.

WhatisProp65?

Prop65appliestoanycompanyoperatinginCalifornia,sellingproductsinCalifornia,ormanufacturingproductsthatmaybesoldinorbroughtinto California.ItmandatesthattheGovernorofCaliforniamaintainandpublishalistofchemicalsknowntocausecancer,birthdefects,and/orother reproductiveharm.Thelist,whichisupdatedannually,includeshundredsofchemicalsfoundinmanyeverydayitems.ThepurposeofProp65isto informthepublicaboutexposuretothesechemicals.

Prop65doesnotbanthesaleofproductscontainingthesechemicalsbutinsteadrequireswarningsonanyproduct,productpackaging,orliteraturewith theproduct.Moreover,aProp65warningdoesnotmeanthataproductisinviolationofanyproductsafetystandardsorrequirements.Infact,the CaliforniagovernmenthasclariedthataProp65warning“isnotthesameasaregulatorydecisionthataproductis‘safe’or‘unsafe.’”Manyofthese chemicalshavebeenusedineverydayproductsforyearswithoutdocumentedharm.Formoreinformation,gotohttps://oag.ca.gov/prop65/faqs-view-all

AProp65warningmeansthatacompanyhaseither(1)evaluatedtheexposureandhasconcludedthatitexceedsthe“nosignicantrisklevel”;or(2) haschosentoprovideawarningbasedonitsunderstandingaboutthepresenceofalistedchemicalwithoutattemptingtoevaluatetheexposure.

Doesthislawapplyeverywhere?

Prop65warningsarerequiredunderCalifornialawonly.ThesewarningsareseenthroughoutCaliforniainawiderangeofsettings,includingbutnot limitedtorestaurants,grocerystores,hotels,schools,andhospitals,andonawidevarietyofproducts.Additionally,someonlineandmailorder retailersprovideProp65warningsontheirwebsitesorincatalogs.

HowdotheCaliforniawarningscomparetofederallimits?

Prop65standardsareoftenmorestringentthanfederalandinternationalstandards.TherearevarioussubstancesthatrequireaProp65warning atlevelsthatarefarlowerthanfederalactionlimits.Forexample,theProp65standardforwarningsforleadis0.5μg/day,whichiswellbelow thefederalandinternationalstandards.

Whydon’tallsimilarproductscarrythewarning?

•ProductssoldinCaliforniarequireProp65labellingwhilesimilarproductssoldelsewheredonot.

•AcompanyinvolvedinaProp65lawsuitreachingasettlementmayberequiredtouseProp65warningsforitsproducts,butothercompanies

makingsimilarproductsmayhavenosuchrequirement.

•TheenforcementofProp65isinconsistent.

•CompaniesmayelectnottoprovidewarningsbecausetheyconcludethattheyarenotrequiredtodosounderProp65;alackofwarningsfora

productdoesnotmeanthattheproductisfreeoflistedchemicalsatsimilarlevels.

WhydoesToroincludethiswarning?

Torohaschosentoprovideconsumerswithasmuchinformationaspossiblesothattheycanmakeinformeddecisionsabouttheproductstheybuyand use.T oroprovideswarningsincertaincasesbasedonitsknowledgeofthepresenceofoneormorelistedchemicalswithoutevaluatingthelevelof exposure,asnotallthelistedchemicalsprovideexposurelimitrequirements.WhiletheexposurefromToroproductsmaybenegligibleorwellwithinthe “nosignicantrisk”range,outofanabundanceofcaution,T orohaselectedtoprovidetheProp65warnings.Moreover ,ifTorodoesnotprovidethese warnings,itcouldbesuedbytheStateofCaliforniaorbyprivatepartiesseekingtoenforceProp65andsubjecttosubstantialpenalties.

RevA

Toro 22972, 22972G, 22973, 22973G, 22974 Operator's Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

SafeOperatingPractices

Training

Preparation

FuelSafety

Operation

SlopeOperation

MaintenanceandStorage

InstallingtheBoomand Chain

CheckingtheFluidLevels

ChargingtheBattery (Electric-StartModelsOnly)

KeySwitch

Attachments/Accessories

AddingFuel

RecommendedFuel

UsingStabilizer/Conditioner

FillingtheFuelTank

StartingtheEngine

DrivingtheMachine

DiggingaTrench

ShuttingofftheEngine

MovingaNon-Functioning Machine

SecuringtheMachinefor Transport

LiftingtheMachine

RemovingtheCoverPlate

RemovingtheBottom Shield

GreasingtheMachine

GreasingtheTrencher Housing

ServicingtheAirCleaner

Models22972and22973

Model22974

ServicingtheEngineOil

CheckingtheEngine-OilLevel

ChangingtheEngineOil

ChangingtheEngine-OilFilter

ServicingtheSparkPlug

RemovingtheSparkPlug

CheckingtheSparkPlug

DrainingtheFuelTank

InstallingtheSparkPlug

ReplacingtheFuelFilter

ServicingtheBattery

ChargingtheBattery

RemovingtheBattery

CheckingtheBatteryElectrolyte Level

CleaningtheBattery

AddingWatertotheBattery

InstallingtheBattery

ServicingtheTracks

CleaningtheTracks

CheckingandAdjustingtheTrack Tension

ReplacingtheTracks

CheckingandGreasingtheRoad Wheels

Adjustingthe Traction-ControlAlignment

AdjustingtheTraction-Control ReversePosition

AdjustingtheTraction-Control NeutralPosition

AdjustingtheTraction-Control ForwardPosition

Checkingthe Hydraulic-FluidLevel

ReplacingtheHydraulic Filter

ChangingtheHydraulic Fluid

TrencherMaintenance

ReplacingtheDigging Teeth

CheckingandAdjustingthe DiggingChainandBoom

Whatisthiswarning?

WhatisProp65?

Doesthislawapplyeverywhere?

HowdotheCaliforniawarningscomparetofederallimits?

Whydon’tallsimilarproductscarrythewarning?

WhydoesToroincludethiswarning?