Toro TRX-16 Walk-Behind Trencher (22972) User manual

FormNo.3382-854RevA

TRX-16,TRX-20,andTRX-26

Trencher

ModelNo.22972—SerialNo.314000001andUp

ModelNo.22972G—SerialNo.314000001andUp

ModelNo.22973—SerialNo.314000001andUp

ModelNo.22973G—SerialNo.314000001andUp

ModelNo.22974—SerialNo.314000001andUp

Registeratwww.Toro.com.

OriginalInstructions(EN)

*3382-854*A

Thismachineisdesignedtodigtrenchesinsoiltobury

cablingandpipingforvariousapplications.Itisnotintended

tocutrock,wood,oranyothermaterialotherthansoil.

WARNING

CALIFORNIA

Proposition65Warning

Thisproductcontainsachemicalorchemicals

knowntotheStateofCaliforniatocausecancer,

birthdefects,orreproductiveharm.

Theengineexhaustfromthisproduct

containschemicalsknowntotheStateof

Californiatocausecancer,birthdefects,

orotherreproductiveharm.

DANGER

Theremaybeburiedpower,gas,and/ortelephone

linesintheworkarea.Shockorexplosionmay

occurifyoudigintothem.

Havethepropertyorworkareamarkedforburied

linesanddonotdiginmarkedareas.Contactyour

localmarkingserviceorutilitycompanytohavethe

propertymarked(forexample,intheUnitedStates,

call811forthenationwidemarkingservice).

ThissparkignitionsystemcomplieswithCanadianICES-002.

Important:Thisengineisnotequippedwithaspark

arrestermufer.ItisaviolationofCaliforniaPublic

ResourceCodeSection4442touseoroperatetheengine

onanyforest-covered,brush-covered,orgrass-covered

land.Otherstatesorfederalareasmayhavesimilarlaws.

Theenclosed

Engine Owner's Man ual

issuppliedfor

informationregardingtheUSEnvironmentalProtection

Agency(EPA)andtheCaliforniaEmissionControl

Regulationofemissionsystems,maintenance,and

warranty.Replacementsmaybeorderedthroughthe

enginemanufacturer.

ThisproductcomplieswithallrelevantEuropeandirectives;

fordetails,pleaseseetheseparateproductspecicDeclaration

ofConformity(DOC)sheet.

Introduction

Readthisinformationcarefullytolearnhowtooperateand

maintainyourproductproperlyandtoavoidinjuryand

productdamage.Youareresponsibleforoperatingthe

productproperlyandsafely.

YoumaycontactTorodirectlyatwww .Toro.comforproduct

andaccessoryinformation,helpndingadealer,ortoregister

yourproduct.

Wheneveryouneedservice,genuineToroparts,oradditional

information,contactanAuthorizedServiceDealerorToro

CustomerServiceandhavethemodelandserialnumbersof

yourproductready.Figure1illustratesthelocationofthe

modelandserialnumbersontheproduct.Writethenumbers

inthespaceprovided.

G007797

Figure1

1.Modelandserialnumberplate

ModelNo.

SerialNo.

Thismanualidentiespotentialhazardsandhassafety

messagesidentiedbythesafetyalertsymbol(Figure2),

whichsignalsahazardthatmaycauseseriousinjuryordeath

ifyoudonotfollowtherecommendedprecautions.

Figure2

1.Safetyalertsymbol

Thismanualuses2wordstohighlightinformation.

Importantcallsattentiontospecialmechanicalinformation

andNoteemphasizesgeneralinformationworthyofspecial

attention.

8111LyndaleAvenueSouth

Bloomington,MN55420

Contactusatwww.Toro.com.

PrintedintheUSA

AllRightsReserved

Contents

Introduction..................................................................2

Safety...........................................................................4

SafeOperatingPractices...........................................4

SoundPressure.......................................................6

SoundPower..........................................................6

Vibration................................................................6

SlopeIndicator.......................................................7

SafetyandInstructionalDecals.................................8

Setup...........................................................................12

1InstallingtheBoomandChain...............................12

2CheckingFluidLevels...........................................13

3ChargingtheBattery(ElectricStartModels

Only)................................................................13

ProductOverview.........................................................13

Controls...............................................................13

Specications........................................................16

Attachments/Accessories........................................16

Operation....................................................................16

RecommendedFuel................................................16

CheckingtheEngine-OilLevel.................................17

CheckingtheHydraulicFluidLevel...........................17

StartingandStoppingtheEngine..............................19

StoppingtheMachine.............................................19

MovingaNon-functioningMachine.........................19

DiggingaTrench....................................................20

SecuringtheMachineforTransport..........................20

LiftingtheMachine................................................20

OperatingTips......................................................21

Maintenance.................................................................22

RecommendedMaintenanceSchedule(s)......................22

PremaintenanceProcedures........................................23

RemovingtheCoverPlate........................................23

InstallingtheCoverPlate.........................................23

RemovingtheBottomShield...................................23

InstallingtheBottomShield.....................................23

Lubrication...............................................................24

GreasingtheMachine.............................................24

GreasingtheTrencherHousing................................24

EngineMaintenance..................................................25

ServicingtheAirCleaner(Models22972and

22973)...............................................................25

ServicingtheAirCleaner(Model22974)....................26

ServicingtheEngineOil..........................................27

ServicingtheSparkPlug..........................................28

FuelSystemMaintenance...........................................29

DrainingtheFuelTank...........................................29

ReplacingtheFuelFilter..........................................30

ElectricalSystemMaintenance....................................30

ServicingtheBattery(Models22973and

22974)...............................................................30

ReplacingtheFuses(Models22973and

22974)...............................................................32

DriveSystemMaintenance.........................................33

ServicingtheTracks................................................33

BeltMaintenance......................................................35

ReplacingthePumpDriveBelt.................................35

ControlsSystemMaintenance.....................................36

AdjustingtheTractionControlAlignment.................36

AdjustingtheTractionControlNeutral

Position.............................................................37

AdjustingtheTrackingoftheTractionControl,

FullForwardPosition..........................................37

HydraulicSystemMaintenance....................................38

ReplacingtheHydraulicFilter..................................38

ChangingtheHydraulicFluid...................................38

CheckingtheHydraulicLines...................................39

TrencherMaintenance................................................40

ReplacingtheDiggingTeeth....................................40

CheckingandAdjustingtheDiggingChainand

Boom................................................................40

ReplacingtheDriveSprocket...................................40

Cleaning...................................................................42

RemovingDebrisfromtheMachine..........................42

Storage........................................................................42

Troubleshooting...........................................................44

Schematics...................................................................46

Safety

Improperuseormaintenancebytheoperatororowner

canresultininjury.Toreducethepotentialforinjury,

complywiththesesafetyinstructionsandalways

payattentiontothesafetyalertsymbol,which

means:

Caution

W ar ning

,or

Danger

—personalsafety

instruction.Failuretocomplywiththeinstructionmay

resultinpersonalinjuryordeath.

SafeOperatingPractices

Thisproductiscapableofamputatinghandsandfeet.Always

followallsafetyinstructionstoavoidseriousinjuryordeath.

WARNING

Engineexhaustcontainscarbonmonoxide,an

odorless,deadlypoisonthatcankillyou.

Donotruntheengineindoorsorinanenclosed

area.

Training

•ReadtheOperator'sManualandothertrainingmaterial.If

theoperator(s)ormechanic(s)can’treadEnglish,itisthe

owner'sresponsibilitytoexplainthismaterialtothem.

•Becomefamiliarwiththesafeoperationoftheequipment,

operatorcontrols,andsafetysigns.

•Alloperatorsandmechanicsshouldbetrained.The

ownerisresponsiblefortrainingtheusers.

•Neverletchildrenoruntrainedpeopleoperateorservice

theequipment.Localregulationsmayrestricttheageof

theoperator.

•Theowner/usercanpreventandisresponsiblefor

accidentsorinjuriesoccurringtohimselforherself,other

peopleorproperty.

Preparation

•Evaluatetheterraintodeterminewhataccessoriesand

attachmentsareneededtoproperlyandsafelyperform

thejob.Onlyuseaccessoriesandattachmentsapproved

bythemanufacturer.

•Wearappropriateclothingincludinghardhat,safety

glasses,longpants,safetyshoes,andhearingprotection.

Longhair,looseclothingorjewelrymaygettangledin

movingparts.

•Inspecttheareawheretheequipmentistobeusedand

removeallobjectssuchasrocks,toys,andwirewhichcan

bethrownbythemachine.

•Useextracarewhenhandlinggasolineandotherfuels.

Theyareammableandvaporsareexplosive.

–Useonlyanapprovedcontainer

–Neverremovethegascaporaddfuelwiththeengine

running.Allowtheenginetocoolbeforerefueling.

Donotsmoke.

–Neverrefuelordrainthemachineindoors.

•Checkthattheoperatorpresencecontrols,safetyswitches,

andshieldsareattachedandfunctioningproperly.Donot

operateunlesstheyarefunctioningproperly.

Operation

•Neverrunanengineinanenclosedarea.

•Onlyoperateingoodlight,keepingawayfromholesand

hiddenhazards.

•Besurealldrivesareinneutralandtheparkingbrakeis

engagedbeforestartingtheengine.Onlystarttheengine

fromtheoperator'sposition.

•Slowdownanduseextracareonhillsides.Besureto

travelintherecommendeddirectiononhillsides.Turf

conditionscanaffectthemachine'sstability.

•Slowdownandusecautionwhenmakingturnsandwhen

changingdirectionsonslopes.

•Neveroperatewithouttheguardssecurelyinplace.Be

sureallinterlocksareattached,adjusted,andfunctioning

properly.

•Donotchangetheenginegovernorsettingoroverspeed

theengine.

•Stoponlevelground,lowertheboom,disengagethe

trencherhydraulics,engagetheparkingbrake,andshut

offtheenginebeforeleavingtheoperator'spositionfor

anyreason.

•Keephandsandfeetawayfromthemovingchain,digging

teeth,andspoilsauger.

•Lookbehindanddownbeforebackinguptobesureof

aclearpath.

•Nevercarrypassengersandkeeppetsandbystanders

away.

•Slowdownandusecautionwhenmakingturnsand

crossingroadsandsidewalks.

•Donotoperatethemachineundertheinuenceof

alcoholordrugs.

•Usecarewhenloadingorunloadingthemachineintoa

trailerortruck.

•Usecarewhenapproachingblindcorners,shrubs,trees,

orotherobjectsthatmayobscurevision.

•Ensurethattheareaisclearofotherpeoplebefore

operatingthemachine.Stopthemachineifanyoneenters

thearea.

•Neverleavearunningmachineunattended.Alwayslower

theboom,stoptheengine,settheparkingbrake,and

removethekeybeforeleaving.

•Neverjerkthecontrols;useasteadymotion.

•Watchfortrafcwhenoperatingnearorcrossing

roadways.

•Donottouchpartswhichmaybehotfromoperation.

Allowthemtocoolbeforeattemptingtomaintain,adjust,

orservice.

•Ensurethatyouoperatethemachineinareaswhere

therearenoobstaclesincloseproximitytotheoperator.

Failuretomaintainadequatedistancefromtrees,walls,

andotherbarriersmayresultininjuryasthemachine

backsupduringoperationiftheoperatorisnotattentive

tothesurroundings.Onlyoperatetheunitinareaswhere

thereissufcientclearancefortheoperatortosafely

maneuvertheproduct.

•Beforedigging,havetheareamarkedforunderground

utilities,anddonotdiginmarkedareas.

•Locatethepinchpointareasmarkedonthemachineand

keephandsandfeetawayfromtheseareas.

•Lightningcancausesevereinjuryordeath.Iflightning

isseenorthunderisheardinthearea,donotoperate

themachine;seekshelter.

SlopeOperation

Slopesareamajorfactorrelatedtoloss-of-controland

tip-overaccidents,whichcanresultinsevereinjuryordeath.

Allslopesrequireextracaution.

•Donotoperatethemachineonhillsidesorslopes

exceedingtheanglesrecommendedinthefollowingtable.

ModelFrontFacing

Uphill

RearFacing

Uphill

SideFacing

Uphill

22972

15°14°19°

22973

13°14°19°

22974

11°11°16°

Note:SeealsotheSlopeIndicator(page7).

•Operateupanddownslopeswiththefrontendof

themachineuphill.

•Removeobstaclessuchasrocks,treelimbs,etc.fromthe

workarea.Watchforholes,ruts,orbumps,asuneven

terraincouldoverturnthemachine.Tallgrasscanhide

obstacles.

•UseonlyToro-approvedaccessories.Accessoriescan

changethestabilityandtheoperatingcharacteristics

ofthemachine.Warrantymaybevoidedifusedwith

unapprovedaccessories.

•Keepallmovementsonslopesslowandgradual.Donot

makesuddenchangesinspeedordirection.

•Avoidstartingorstoppingonaslope.Ifthemachine

losestraction,proceedslowly,straightdowntheslope.

•Avoidturningonslopes.Ifyoumustturn,turnslowly

andkeeptheheavyendofthemachineuphill.

•Donotoperateneardrop-offs,ditches,orembankments.

Themachinecouldsuddenlyturnoverifatrackgoes

overtheedgeofaclifforditch,orifanedgecavesin.

•Donotoperateonwetgrass.Reducedtractioncould

causesliding.

•Donotparkthemachineonahillsideorslopewithout

loweringtheboomtotheground,settingtheparking

brake,andchockingthetracks.

MaintenanceandStorage

•Disengagethetrencherhydraulics,lowertheboom,set

theparkingbrake,stoptheengine,andremovethekey.

Waitforallmovementtostopbeforeadjusting,cleaning,

orrepairing.

•Cleandebrisfromthechain,diggingteeth,boom,

trencherhead,drives,mufers,andenginetohelpprevent

res.Cleanupoilorfuelspillage.

•Lettheenginecoolbeforestoringanddonotstorenear

ame.

•Donotstorefuelnearamesordrainindoors.

•Parkthemachineonlevelground.Neverallowuntrained

personneltoservicethemachine.

•Usejackstandstosupportcomponentswhenrequired.

•Carefullyreleasepressurefromcomponentswithstored

energy.

•Disconnectthebattery(electricstartmodelsonly)or

removethesparkplugwiresbeforemakinganyrepairs.

Disconnectthenegativeterminalrstandthepositive

last.Reconnectpositiverstandnegativelast.

•Keephandsandfeetawayfrommovingparts.Ifpossible,

donotmakeadjustmentswiththeenginerunning.

•Keepallpartsingoodworkingconditionandallhardware

tightened.Replaceallwornordamageddecals.

•Keepnutsandboltstight.Keepequipmentingood

condition.

•Nevertamperwithsafetydevices.

•Keepthemachinefreeofgrass,leaves,orotherdebris

build-up.Cleanupoilorfuelspillage.Allowthemachine

tocoolbeforestoring.

•Useextracarewhenhandlinggasolineandotherfuels.

Theyareammableandvaporsareexplosive.

–Useonlyanapprovedcontainer.

–Neverremovethegascaporaddfuelwhenthe

engineisrunning.Allowtheenginetocoolbefore

refueling.Donotsmoke.

–Neverrefuelthemachineindoors.

–Neverstorethemachineorfuelcontainerinside

wherethereisanopename,suchasnearawater

heaterorfurnace.

–Neverllacontainerwhileitisinsideavehicle,trunk,

pick-upbed,oranysurfaceotherthantheground.

–Keepcontainernozzleincontactwiththetankduring

lling.

•Stopandinspecttheequipmentifyoustrikeanobject.

Makeanynecessaryrepairsbeforerestarting.

•UseonlygenuineTororeplacementpartstoensurethat

originalstandardsaremaintained.

•Batterysafety(electricstartmodelsonly):

–Chargebatteriesinanopen,wellventilatedarea,away

fromsparkandames.Unplugthechargerbefore

connectingordisconnectingitfromthebattery.Wear

protectiveclothinganduseinsulatedtools.

–Batteryacidispoisonousandcancauseburns.Avoid

contactwithskin,eyes,andclothing.Protectyour

face,eyes,andclothingwhenworkingwithabattery.

–Batterygasescanexplode.Keepcigarettes,sparks

andamesawayfromthebattery.

•Keepyourbodyandhandsawayfrompinholeleaks

ornozzlesthatejecthighpressurehydraulicuid.Use

cardboardorpapertondhydraulicleaks;neveruse

yourhands.Hydraulicuidescapingunderpressurecan

penetrateskinandcauseinjuryrequiringsurgerywithina

fewhoursbyaqualiedsurgeonorgangrenemayresult.

SoundPressure

Model22972

Thisunithasasoundpressurelevelattheoperator’searof89

dBA,whichincludesanUncertaintyValue(K)of1.0dBA.

Soundpressurelevelwasdeterminedaccordingtothe

proceduresoutlinedinENISO11201.

Model22973

Thisunithasasoundpressurelevelattheoperator’searof90

dBA,whichincludesanUncertaintyValue(K)of1.0dBA.

Soundpressurelevelwasdeterminedaccordingtothe

proceduresoutlinedinENISO11201.

Model22974

Thisunithasasoundpressurelevelattheoperator’searof93

dBA,whichincludesanUncertaintyValue(K)of1.0dBA.

Soundpressurelevelwasdeterminedaccordingtothe

proceduresoutlinedinENISO11201.

SoundPower

Model22972

Thisunithasaguaranteedsoundpowerlevelof107dBA,

whichincludesanUncertaintyValue(K)of3.75dBA.

Soundpowerlevelwasdeterminedaccordingtothe

proceduresoutlinedinENISO3744.

Model22973

Thisunithasaguaranteedsoundpowerlevelof108dBA,

whichincludesanUncertaintyValue(K)of3.75dBA.

Soundpowerlevelwasdeterminedaccordingtothe

proceduresoutlinedinENISO3744.

Model22974

Thisunithasaguaranteedsoundpowerlevelof107dBA,

whichincludesanUncertaintyValue(K)of3.75dBA.

Soundpowerlevelwasdeterminedaccordingtothe

proceduresoutlinedinENISO3744.

Vibration

Model22972

Measuredvibrationlevelforrighthand=2.1m/s

Measuredvibrationlevelforlefthand=2.0m/s

UncertaintyValue(K)=1.1m/s

Measuredvaluesweredeterminedaccordingtotheprocedures

outlinedinENISO20643.

Model22973

Measuredvibrationlevelforrighthand=2.3m/s

Measuredvibrationlevelforlefthand=2.1m/s

UncertaintyValue(K)=1.1m/s

Measuredvaluesweredeterminedaccordingtotheprocedures

outlinedinENISO20643.

Model22974

Measuredvibrationlevelforrighthand=1.8m/s

Measuredvibrationlevelforlefthand=2.0m/s

UncertaintyValue(K)=1.00m/s

Measuredvaluesweredeterminedaccordingtotheprocedures

outlinedinENISO20643.

SlopeIndicator

G01 1841

Figure3

Thispagemaybecopiedforpersonaluse.

1.Todeterminethemaximumslopeyoucansafelyoperatethemachineon,refertotheSlopeOperationsection.Usetheslope

indicatortodeterminethedegreeofslopeofhillsbeforeoperating.Donotoperatethismachineonaslopegreaterthanthat

speciedintheSlopeOperationsection.Foldalongtheappropriatelinetomatchtherecommendedslope.

2.Alignthisedgewithaverticalsurface,atree,building,fencepole,etc.

3.Exampleofhowtocompareslopewithfoldededge.

SafetyandInstructionalDecals

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaofpotential

danger.Replaceanydecalthatisdamagedorlost.

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,movethetrenchercontrolleverintotheOffposition,

placethetractioncontrolinNeutral,movetheenginespeedtoFastandthechoketoOn/Closed,turntheignitionkeytorun,

andreleasetheparkingbrakeoncetheenginehasstarted.

14.ReadtheOperator'sManualbeforeoperatingthetrencher;tooperatethetrencher,lowertheboom,movethetrenchercontrol

levertothereferencebar,pullthetractioncontrolrearwardtomoveinreverseanddigthetrench.

115-1231

1.Cutting/dismembermenthazardofbystanders,

trencher—keepbystandersasafedistancefromthemachine;

donotoperatethetrencherchainwhiletransportingthe

machine.

6.Explosionhazard;shockhazard—donotusemachinenear

buriedutilitylines;contacttheproperagenciesbeforedigging.

2.Explosionhazard,fueling—stoptheengineandextinguish

allameswhenfueling.

7.Boomelevation

3.Tipping/crushinghazard—lowerthetrencherheadwhen

operatingonslopes.

8.Lowertheboom

4.Warning—stayawayfrommovingparts;waitforallmoving

partstostop

9.Raisetheboom

5.Warning—lowertheboom,engagetheparkingbrakeand

stoptheengine,removetheignitionkey,beforeleavingthe

machine.

99-9952

1.Cuttinghazard,chainandauger—stayawayfrommovingpartsandkeepbystandersawayfromthemachine.

2.Warning—stoptheengineandremovethekeybeforepreformingandmaintenanceorrepairs.

3.Explosionand/orelectricshockhazard—donotdiginareaswithburiedgasorpowerlines.

115-4020

1.Turnright3.Reverse

2.Forward

4.Turnleft

93-7814

1.Entanglementhazard,belt—stayawayfrommovingparts.

93-6686

1.Hydraulicoil

2.ReadtheOperator'sManual.

93-9084

1.Liftpoint

2.Tie-downpoint

100-4650

1.Crushinghazardofhand—keepbystandersasafedistance

fromthemachine.

2.Crushinghazardoffoot—keepbystandersasafedistance

fromthemachine.

107-8495

1.Parkingbrake

117–2718

BatterySymbols

Someorallofthesesymbolsareonyourbattery

1.Explosionhazard

6.Keepbystandersasafe

distancefromthebattery.

2.Nore,opename,or

smoking.

7.Weareyeprotection;

explosivegasescan

causeblindnessandother

injuries

3.Causticliquid/chemical

burnhazard

8.Batteryacidcancause

blindnessorsevereburns.

4.Weareyeprotection9.Flusheyesimmediately

withwaterandgetmedical

helpfast.

5.ReadtheOperator's

Manual.

10.Containslead;donot

discard.

Setup

LooseParts

Usethechartbelowtoverifythatallpartshavebeenshipped.

ProcedureDescription

Qty.

Use

Boom(soldseparately)

Chain(soldseparately)

Installtheboomandchain.

Nopartsrequired

–

Checktheuidlevels.

Nopartsrequired

–

Chargethebattery.

InstallingtheBoomandChain

Partsneededforthisprocedure:

Boom(soldseparately)

Chain(soldseparately)

Procedure

Important:Thereareseveralboomandchainsize

congurationsavailable.RefertoyouAuthorizedService

Dealertoobtaintheappropriateboomandchainto

meetyourrequirements.

1.Stoptheengineandremovethekey.

2.Removethebolt,2saddlewashers,andnutsecuring

thespoilsaugerandremovetheauger(

Figure4).

Note:Savethefastenersforfutureuse.

Figure4

1.Spoilsauger

6.Adjustingbolt

2.Boom7.Jamnut

3.Bolts8.Armonthedrivehead

4.Doublewasher9.Drivesprocket

5.Nuts

3.Removethe2bolts,nuts,anddoublewashersfromthe

sidesoftheboom(Figure4).

4.Loosentheadjustingboltandjamnut(Figure4).

5.Slidetheboomoverthearmonthedrivehead.

6.Installthe2bolts,nuts,anddoublewashersremovedin

step

3throughtheboomandarm,butdonottighten

them.

7.Ifthechainisnotconnected,connectthelinksby

pressingorhammeringtheclevispinsuppliedwiththe

chainthroughthelinks.

Important:Toavoidbendingthechainlinks,

placeblocksunderandbetweenthelinkswhen

hammeringtheclevispinthrough.

8.Securetheclevispinwiththecotterpinsuppliedwith

thechain.

9.Loopthediggingchainovertheaugerdriveshaftand

ontothedrivesprocket,ensuringthatthediggingteeth

pointforwardontheupperspan.

10.Settheupperspanofthechainintoplaceonthe

trencherboom,thenwrapthechainaroundtheroller

attheendoftheboom.

11.Threadtheadjustmentboltintotheboomandturnit

inuntilthereis3.8to6.3cm(1-1/2to2-1/2inches)of

slackinthechainonthebottomspan.

12.Threadthejamnutdowntheadjustingboltandtighten

itsecurelyagainsttheboom.

13.Torquethe2boltsandnutssecuringtheboomto183

to223N-m(135to165ft-lb).

14.Installthespoilsaugerusingthebolt,2saddlewasher,

andnutyouremovedpreviously.

15.Torquetheboltandnutto101N-m(75ft-lb).

CheckingFluidLevels

NoPartsRequired

Procedure

Beforestartingtheengineforthersttime,checktheengine

oilandhydraulicuidlevels;referto

CheckingtheEngine-Oil

Level(page17)andCheckingtheHydraulicFluidLevel(page

17)formoreinformation.

ChargingtheBattery(Electric

StartModelsOnly)

NoPartsRequired

Procedure

Chargethebattery;referto

ChargingtheBattery(page32)

formoreinformation.

ProductOverview

Figure5

1.Control

panel

4.Chain

guard

7.Boom10.Reverse

safety

plate

2.Engine

5.Chain

8.Trencher

head

3.Spoils

auger

6.Digging

teeth

9.Track

Controls

Becomefamiliarwithallthecontrols(Figure6)beforeyou

starttheengineandoperatethemachine.

G007801

Figure6

1.Tractioncontrol5.Throttlelever

2.Boomelevationlever

6.Chokelever

3.Trenchercontrollever7.Keyswitch

4.Referencebar

8.Hourmeter

KeySwitch,Model22972

Thekeyswitchhas2positions:OffandRun.

Tostarttheengine,rotatethekeytotheRunposition,then

pulltherecoilhandleontheengine.

Tostoptheengine,rotatethekeytotheOffposition.

KeySwitch,ElectricStartModels

Thekeyswitchhasthreepositions:Off,Run,andStart.

Tostarttheengine,rotatethekeytotheStartposition.

Releasethekeywhenenginestartsanditwillmove

automaticallytotheRunposition.

Tostoptheengine,rotatethekeytotheOffposition.

ThrottleLever

Movethecontrolforwardtoincreasetheenginespeedand

rearwardtodecreasespeed.

ChokeLever

Beforestartingacoldengine,movethechokeleverforward.

Aftertheenginestarts,regulatethechoketokeeptheengine

runningsmoothly.Assoonaspossible,movethechokelever

allthewayrearward.

Note:Awarmenginerequireslittleornochoking.

HourMeter

Whentheengineisoff,thehourmeterdisplaysthenumber

ofhoursofoperationthathavebeenloggedonthemachine.

ReferenceBar

Whendrivingthemachine,usethereferencebarasahandle

andaleveragepointforcontrollingthetractioncontroland

thetrenchercontrollever.Toensuresmooth,controlled

operation,donottakebothhandsoffofthereferencebar

whileoperatingthemachine.

TractionControl

Figure7

1.Referencebar(doesnotmovetogiveyouareferencepoint

andaxedhandletoholdwhileoperatingthetractionunit)

2.Tractioncontrol(movestocontrolthemachine)

•Tomoveforward,movethetractioncontrolforward

(Figure8).

Figure8

•Tomoverearward,movethetractioncontrolrearward

(Figure9).Whenreversing,lookbehindfor

obstructionsandkeepyourhandsonthereference

bar(Figure7).

Figure9

•Toturnright,rotatethetractioncontrolclockwise(Figure

10).

G008131

Figure10

•Toturnleft,rotatethetractioncontrolcounterclockwise

(Figure11).

G008132

Figure11

•Tostop,releasethetractioncontrol(Figure7).

Note:Thefartheryoumovethetractioncontrolinany

direction,thefasterthemachinewillmoveinthatdirection.

BoomElevationLever

Tolowertheboom,slowlymovetheleverforward(Figure

12).

Toraisetheboom,slowlymovetheleverrearward(Figure12).

Figure12

1.Lowertheboom2.Raisetheboom

BoomElevationLock

Theboomelevationlocksecurestheboomelevationleverso

thatyoucannotpushitforward.Thishelpstoensurethatno

onewillaccidentallylowertheboomduringmaintenance.

Securetheboomwiththelockanytimeyouneedtostopthe

machinewiththeboomraised.

Tosetthelock,liftuponitsoitclearstheholeinthecontrol

panelandswingittotherightinfrontoftheboomelevation

lever,pushingitdownintothelockedposition(Figure13).

Figure13

1.Boomelevationlever2.Boomelevationlock

TrencherControlLever

Todigwiththetrencher,rotatetheleverrearwardandpullit

downtothereferencebar(Figure14,number1).

Toreversethetrencherhead,rotatetheleverrearward,then

moveitleftintotheupperslot(Figure14,number2).

Ifyoureleasethelever,itwillautomaticallyreturntothe

neutralposition(Figure14,number3),stoppingthechain.

Figure14

1.Forward3.Neutral

2.Reverse

ParkingBrakeLever

•Tosettheparkingbrake,pullthebrakeleverrearward

andup(Figure15).

•Toreleasethebrake,pulltheleverrearwardandthen

down(Figure15).

G007804

Figure15

1.Parkingbrakelever(inthereleasedposition)

Specications

Note:Specicationsanddesignaresubjecttochange

withoutnotice.

Width

86cm(33.8inches)

Length,with70cm(24

inch)boom

209.5cm(82.5inches)

Length,with91.4cm(36

inch)boom

235cm(92.6inches)

Length,with122cm(48

inch)boom(model22974

only)

282.5cm(111.2inches)

Height

117cm(46inches)

Weight(model22972)*499kg(1,100lb)

Weight(model22973)*538kg(1,185lb)

Weight(model22974)*578kg(1,208lb)

*A91.4cm(36inch)boomandchainwilladdabout27kg(60lb)tothelistedweight.

Attachments/Accessories

AselectionofToroapprovedattachmentsandaccessoriesis

availableforusewiththemachinetoenhanceandexpand

itscapabilities.ContactyourAuthorizedServiceDealeror

Distributororgotowww.Toro.comforalistofallapproved

attachmentsandaccessories.

Operation

Note:Determinetheleftandrightsidesofthemachine

fromthenormaloperatingposition.

Important:Beforeoperating,checkthefuelandoil

level,andremovedebrisfromthemachine.Also,ensure

thattheareaisclearofpeopleanddebris.Youshould

alsoknowandhavemarkedthelocationsofallutility

lines.

RecommendedFuel

•Forbestresults,useonlyclean,fresh(lessthan30days

old),unleadedgasolinewithanoctaneratingof87or

higher((R+M)/2ratingmethod).

•Ethanol:Gasolinewithupto10%ethanol(gasohol)

or15%MTBE(methyltertiarybutylether)byvolume

isacceptable.EthanolandMTBEarenotthesame.

Gasolinewith15%ethanol(E15)byvolumeisnot

approvedforuse.Neverusegasolinethatcontainsmore

than10%ethanolbyvolume,suchasE15(contains15%

ethanol),E20(contains20%ethanol),orE85(contains

85%ethanol).Usingunapprovedgasolinemaycause

performanceproblemsand/orenginedamagewhichmay

notbecoveredunderwarranty.

•Donotusegasolinecontainingmethanol.

•Donotstorefueleitherinthefueltankorfuelcontainers

overthewinterunlessafuelstabilizerisused.

•Donotaddoiltogasoline.

DANGER

Incertainconditions,gasolineisextremely

ammableandhighlyexplosive.Areorexplosion

fromgasolinecanburnyouandothersandcan

damageproperty.

•Fillthefueltankoutdoors,inanopenarea,

whentheengineiscold.Wipeupanygasoline

thatspills.

•Neverllthefueltankinsideanenclosedtrailer.

•Donotllthefueltankcompletelyfull.Add

gasolinetothefueltankuntilthelevelis6to13

mm(1/4to1/2inch)belowthebottomofthe

llerneck.Thisemptyspaceinthetankallows

gasolinetoexpand.

•Neversmokewhenhandlinggasoline,andstay

awayfromanopenameorwheregasoline

fumesmaybeignitedbyaspark.

•Storegasolineinanapprovedcontainerand

keepitoutofthereachofchildren.Neverbuy

morethana30-daysupplyofgasoline.

•Donotoperatewithoutentireexhaustsystemin

placeandinproperworkingcondition.

DANGER

Incertainconditionsduringfueling,static

electricitycanbereleasedcausingasparkwhich

canignitethegasolinevapors.Areorexplosion

fromgasolinecanburnyouandothersandcan

damageproperty.

•Alwaysplacegasolinecontainersontheground

awayfromyourvehiclebeforelling.

•Donotllgasolinecontainersinsideavehicleor

onatruckortrailerbedbecauseinteriorcarpets

orplastictruckbedlinersmayinsulatethe

containerandslowthelossofanystaticcharge.

•Whenpractical,removegas-poweredequipment

fromthetruckortrailerandrefueltheequipment

withitswheelsontheground.

•Ifthisisnotpossible,thenrefuelsuch

equipmentonatruckortrailerfromaportable

container,ratherthanfromagasolinedispenser

nozzle.

•Ifagasolinedispensernozzlemustbeused,

keepthenozzleincontactwiththerimofthe

fueltankorcontaineropeningatalltimesuntil

fuelingiscomplete.

CheckingtheEngine-OilLevel

ServiceInterval:Beforeeachuseordaily

1.Parkthemachineonalevelsurface,lowertheboom,

andstoptheengine.

2.Removethekeyandallowtheenginetocool.

3.Cleanaroundtheoildipstick(Figure16).

Figure16

1.Oilllerhole

3.Fullmark

2.Oildipstick

4.Addmark

4.Removethedipstickandwipetheendclean(Figure16).

5.Slidethedipstickfullyintothedipsticktubewithout

threadingitintothellerneck(Figure16).

6.Pullthedipstickoutandlookattheend.Theoil

shouldbebetweentheAddandFullmarks(Figure16).

7.IftheoilisbelowtheAddmark,add10w30engineoil

tothellerhole,checkingthelevelfrequentlywiththe

dipstick,untiltheoillevelreachestheFullmark.

8.Replacethedipstick.

CheckingtheHydraulicFluid

Level

ServiceInterval:Every25hours

HydraulicTankCapacity:23L(6USgallons)

RefertoChangingtheHydraulicFluid(page38)forhydraulic

uidspecications.

1.Parkthemachineonalevelsurfaceandlowerthe

boom.

2.Stoptheengine,removethekey,andallowtheengine

tocool.

3.Lookintotheglassbubbleontherightsideofthe

machine.Ifyoucannotseehydraulicuidinthe

bubble,continuethisproceduretoadduid.

G007808

Figure17

1.Hydraulicuidcheckbubble

4.Removethecoverplate;refertoRemovingtheCover

Plate(page23).

5.Cleantheareaaroundthellerneckofthehydraulic

tankandremovethecapandlterfromthellerneck

usingasocket(

Figure18).

Figure18

1.Fillerneckcap

2.Hydraulicuidlter

6.Ifthelevelislow,adduiduntilitisvisibleintheglass

bubble.

7.Installthecapandlteronthellerneckandtorque

boltontopto13to15.5N-m(110to140inch-lb).

StartingandStoppingthe

Engine

StartingtheEngine

1.MovethethrottlelevermidwaybetweenSlowandFast

positions(Figure19).

G007809

Figure19

1.Throttlelever3.Key

2.Chokelever

2.MovethechokelevertotheOnposition(Figure19).

Note:Awarmorhotenginemaynotrequirechoking.

3.Starttheengineasfollowsforyourmodel:

•Formodel22972,turnthekeytotheOnposition

thenpulltherecoilhandleontopoftheengine.

•Foranelectricstartmodel,turnthekeytothe

Onposition(

Figure19).Whentheenginestarts,

releasethekey.

Important:Donotengagethestarterformore

than10secondsatatime.Iftheenginefails

tostart,allowa30secondcool-downperiod

betweenattempts.Failuretofollowthese

instructionscanburnoutthestartermotor.

4.GraduallymovethechokelevertotheOffposition

(

Figure19).Iftheenginestallsorhesitates,engagethe

chokeagainuntiltheenginewarmsup.

5.Movethethrottlelevertothedesiredsetting(

Figure

19).

Important:Iftheengineisrunathighspeeds

whenthehydraulicsystemiscold(i.e.,whenthe

ambientairtemperatureisnearfreezingorlower),

hydraulicsystemdamagecouldoccur.When

startingtheengineincoldconditions,allowthe

enginetoruninthemiddlethrottlepositionfor

2to5minutesbeforemovingthethrottletofast

(rabbit).

Note:Iftheoutdoortemperatureisbelowfreezing,

storethemachineinagaragetokeepitwarmerand

aidinstarting.

StoppingtheEngine

1.MovethethrottlelevertotheSlowposition(Figure19).

2.Lowertheboom(Figure20).

Figure20

3.Turnthekeyoff(Figure19).

Note:Iftheenginehasbeenworkinghardorishot,

letitidleforaminutebeforeturningtheignitionkey

off.Thishelpscooltheenginebeforeitisstopped.In

anemergency,theenginemaybestoppedimmediately.

4.Removethekey.

StoppingtheMachine

Tostopthemachine,releasethetractioncontrol,movethe

throttlelevertoslow(turtle),lowertheboomtotheground,

andstoptheengine.Settheparkingbrakeandremovethekey.

CAUTION

Achildoruntrainedbystandercouldattemptto

operatethemachineandbeinjured.

Removethekeyfromtheswitchwhenleavingthe

machine,evenifjustforafewseconds.

MovingaNon-functioning

Machine

Important:Donottoworpullthemachinewithoutrst

openingthetowvalves,orthehydraulicsystemwillbe

damaged.

1.Stoptheengine.

2.Removethebottomshield.

3.Usingawrench,turnthetowvalvesonthehydraulic

pumpstwicecounter-clockwise(Figure21).

G007816

Figure21

1.Towvalves

4.Installthebottomshieldandtowthemachineas

required.

5.Whenthemachinehasbeenrepaired,closethetow

valvesbeforeoperatingit.

DiggingaTrench

1.Starttheengine,raisetheboom,setthethrottlelever

totheFastposition,andmovethemachineoverthe

areatobetrenched.

2.Pullthetrenchercontrollevertothereferencebarto

engagethetrencher.

3.Slowlylowertheboomandchainintotheground.

Note:Toachievethemaximumdepth,youmayneed

tolowertheboomasfarintothegroundasitwillgo

withthechainrunning.Then,stopthechainandlower

itfully.Startthechainagainandresumeoperation.

4.Oncethetrencherboomisinthegroundata45to60

degreeangle,slowlymovethetractionunitrearward

toextendthetrench.

Note:Ifyoumovetoofast,thetrencherwillstall.Ifit

stalls,raiseitslightly,slowlydriveforward,orreverse

thechaindirectionmomentarily.

5.Whennished,raisetheboomoutofthetrench,then

stopthetrencher.

SecuringtheMachinefor

Transport

Whentransportingthemachineonatrailer,alwaysusethe

followingprocedure:

Important:Donotoperateordrivethemachineon

roadways.

1.Stoptheengine.

2.Lowertheboom.

3.Securethemachinetothetrailerwithchainsorstraps

usingthetie-down/liftloopsatthefrontandrearof

themachine(Figure22andFigure23).Refertoyour

localordinancesfortrailerandtie-downrequirements.

Figure22

1.Fronttie-downloop

G007818

Figure23

1.Reartie-downloops

LiftingtheMachine

Youcanliftthemachineusingthetie-down/liftloopsaslift

points(Figure22andFigure23).

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Toro TRX-16 Walk-Behind Trencher (22972), TRX-16 Trencher, TRX-20 Trencher, TRX-26 Trencher User manual

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