Toro TRX-20 Trencher User manual

Brand: Toro

Model: TRX-20 Trencher

Type: User manual

This manual is also suitable for

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.Toro.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.

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.

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.

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.

8111LyndaleAvenueSouth

Bloomington,MN55420

Contactusatwww.Toro.com.

PrintedintheUSA

AllRightsReserved

g000502

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

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

ReplacingtheDiggingTeeth.............................42

CheckingandAdjustingtheDiggingChain

andBoom.....................................................42

ReplacingtheDriveSprocket...........................43

Cleaning..............................................................44

RemovingDebrisfromtheMachine..................44

Storage...................................................................44

Troubleshooting......................................................46

Schematics.............................................................48

Safety

Improperuseormaintenancebytheoperatoror

ownercanresultininjury.Toreducethepotential

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.

•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.

SafetyandInstructionalDecals

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea

ofpotentialdanger.Replaceanydecalthatisdamagedormissing.

decalbatterysymbols

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.Weareyeprotection.9.Flusheyesimmediately

withwaterandgetmedical

helpfast.

5.ReadtheOperator's

Manual.

10.Containslead;donot

discard

decal93-6686

93-6686

1.Hydraulicuid

2.ReadtheOperator'sManual.

decal93-7814

93-7814

1.Entanglementhazard,belt—stayawayfrommovingparts;

keepallguardsandshieldsinplace.

decal93-9084

93-9084

1.Liftpoint/Tie-downpoint

decal100-4650

100-4650

1.Crushinghazardofhand—keepbystandersasafedistance

awayfromthemachine.

2.Crushinghazardoffoot—keepbystandersasafedistance

awayfromthemachine.

decal107-8495

107-8495

1.Parkingbrake

decal133-5619

133-5619

decal137-3873

137-3873

1.ReadtheOperator’sManual.

decal137-3874

137-3874

1.ReadtheOperator’sManual.

decal115-4020

115-4020

1.Turnright3.Reverse

2.Forward

4.Turnleft

decal99-9952

99-9952

1.Cuttinghazard,chainandauger—stayawayfrommovingpartsandkeepbystandersawayfromthemachine.

2.Warning—shutofftheengineandremovethekeybeforepreformingandmaintenanceorrepairs.

3.Explosionand/orelectricshockhazard—donotdiginareaswithburiedgasorpowerlines.

decal115-1230

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.

decal115-1231

115-1231

1.Cutting/dismembermenthazardofbystanders,

trencher—keepbystandersasafedistanceawayfromthe

machine;donotoperatethetrencherchainwhiletransporting

themachine.

6.Explosionhazard;shockhazard—donotusemachinenear

buriedutilitylines;contacttheproperagenciesbeforedigging.

2.Explosionhazard,fueling—shutofftheengineandextinguish

allameswhenfueling.

7.Boomelevation

3.Tipping/crushinghazard—lowertheboomwhenoperating

onslopes.

8.Lowertheboom

4.Warning—stayawayfrommovingparts;waitforallmoving

partstostop

9.Raisetheboom

5.Warning—lowertheboom,engagetheparkingbrake,shutoff

theengine,andremovethekeybeforeleavingthemachine.

Setup

LooseParts

Usethechartbelowtoverifythatallpartshavebeenshipped.

ProcedureDescription

Qty.

Use

Boom(soldseparately)

Chain(soldseparately)

Installtheboomandchain.

Nopartsrequired

–

Checktheuidlevels.

Nopartsrequired

–

Chargethebattery(electric-startmodels

only).

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.

g011470

Figure3

1.Spoilsauger

6.Adjustingbolt

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.

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.

14.Torquethe2boltsandnutssecuringtheboom

to183to223N·m(135to165ft-lb).

15.Installthespoilsaugerusingthebolt,2saddle

washer,andnutthatyouremovedpreviously.

16.Torquetheboltandnutto101N·m(75ft-lb).

CheckingtheFluidLevels

NoPartsRequired

Procedure

Beforestartingtheengineforthersttime,check

theengine-oilandhydraulic-uidlevels.Refertothe

followingsectionsformoreinformation:

•CheckingtheEngine-OilLevel(page27)

•CheckingtheHydraulic-FluidLevel(page40)

ChargingtheBattery

(Electric-StartModelsOnly)

NoPartsRequired

Procedure

Chargethebattery;refertoChargingtheBattery

(page32)formoreinformation.

ProductOverview

g015375

Figure4

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(Figure5)before

youstarttheengineandoperatethemachine.

ControlPanel

g007801

Figure5

1.Tractioncontrol5.Throttlelever

2.Hydraulic-lift(boom

elevation)lever

6.Chokelever

3.Trenchercontrollever7.Keyswitch

4.Referencebar

8.Hourmeter

KeySwitch

Recoil-StartMachines

Thekeyswitchhas2positions:OFFandRUN.Refer

toStartingtheEngine(page17).

Electric-StartMachines

Thekeyswitchhas3positions:OFF,RUN,andSTART.

RefertoStartingtheEngine(page17).

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.T oensuresmooth,controlledoperation,

donottakebothhandsoffthereferencebarwhile

operatingthemachine.

TractionControl

g008128

Figure6

1.Referencebar

2.Tractioncontrol

•Tomoveforward,movethetractioncontrolforward

(Figure7).

g008129

Figure7

•Tomoverearward,movethetractioncontrol

rearward(Figure8).

Important:Whenreversing,lookbehindyou

forobstructionsandkeepyourhandsonthe

referencebar.

g008130

Figure8

•Toturnright,rotatethetractioncontrolclockwise

(Figure9).

g008131

Figure9

•Toturnleft,rotatethetractioncontrol

counterclockwise(Figure10).

g008132

Figure10

•Tostopthemachine,releasethetractioncontrol

(Figure6).

Note:Thefartheryoumovethetractioncontrolin

anydirection,thefasterthemachinemovesinthat

direction.

Hydraulic-Lift(BoomElevation)

Lever

Tolowertheboom,slowlymovetheleverforward

(Figure11).

Toraisetheboom,slowlymovetheleverrearward

(Figure11).

g007802

Figure11

1.Lowertheboom2.Raisetheboom

Boom-ElevationLock

Theboom-elevationlocksecurestheboom-elevation

leversothatyoucannotpushitforward.Thishelps

toensurethatnooneaccidentallylowerstheboom

duringmaintenance.Securetheboomwiththelock

anytimeyouneedtostopthemachinewiththeboom

raised.

Tosetthelock,liftuponitsoitclearstheholeinthe

controlpanelandswingittotherightinfrontofthe

boomelevationlever,pushingitdownintothelocked

position(Figure12).

g007803

Figure12

1.Boom-elevationlever2.Boom-elevationlock

TrencherControlLever

Todigwiththetrencher,rotatetheleverrearwardand

pullitdowntothereferencebar(Figure13,number1).

Toreversethetrencherhead,rotatethelever

rearward,thenmoveitleftintotheupperslot(Figure

13,number2).

Ifyoureleasethelever,itwillautomaticallyreturnto

theneutralposition(Figure13,number3),stopping

thechain.

g007108

Figure13

1.Forward3.Neutral

2.Reverse

Parking-BrakeLever

•Toengagetheparkingbrake,pullthebrakelever

rearwardandup(Figure14).

•Todisengagetheparkingbrake,pullthelever

rearwardandthendown(Figure14).

g007804

Figure14

1.Parking-brakelever(inthedisengagedposition)

Specications

Note:Specicationsanddesignaresubjectto

changewithoutnotice.

Width

86cm(33.8inches)

Lengthwith70cm(24

inch)boom

209.5cm(82.5inches)

Lengthwith91.4cm(36

inch)boom

235cm(92.6inches)

Lengthwith122cm(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)boomandchainaddsabout27kg(60lb)tothelisted

weight.

Attachments/Accessories

AselectionofT oroapprovedattachmentsand

accessoriesisavailableforusewiththemachine

toenhanceandexpanditscapabilities.Contact

yourAuthorizedServiceDealerorauthorizedT oro

distributororgotowww.Toro.comforalistofall

approvedattachmentsandaccessories.

Toensureoptimumperformanceandcontinuedsafety

certicationofthemachine,useonlygenuineToro

replacementpartsandaccessories.Replacement

partsandaccessoriesmadebyothermanufacturers

couldbedangerous,andsuchusecouldvoidthe

productwarranty.

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.

UsingStabilizer/Conditioner

Useafuelstabilizer/conditionerinthemachineto

providethefollowingbenets:

•Keepsfuelfreshlongerwhenusedasdirectedby

thefuel-stabilizermanufacturer

•Cleanstheenginewhileitruns

•Eliminatesgum-likevarnishbuildupinthefuel

system,whichcauseshardstarting

Important:Donotusefueladditives

containingmethanolorethanol.

Addthecorrectamountoffuelstabilizer/conditioner

tothefuel.

Note:Afuelstabilizer/conditionerismost

effectivewhenmixedwithfreshfuel.Tominimize

thechanceofvarnishdepositsinthefuelsystem,

usefuelstabilizeratalltimes.

FillingtheFuelTank

1.Parkthemachineonalevelsurface,engage

theparkingbrake(ifapplicable),andlowerthe

hydrauliclift.

2.Shutofftheengine,removethekey,andallow

theenginetocool.

3.Cleanaroundthefuel-tankcapandremoveit

(Figure15).

g247445

Figure15

1.Fuel-tankcap

4.Fillthetankwithfueltoabout6to13mm(1/4to

1/2inch)belowthebottomofthellerneck.

Important:Thisspaceinthetankallows

fueltoexpand.Donotllthefueltank

completelyfull.

5.Installthefuel-tankcapsecurely.

6.Wipeupanyspilledfuel.

PerformingDaily

Maintenance

Beforestartingthemachineeachday,performthe

EachUse/DailyprocedureslistedinMaintenance

(page21).

StartingtheEngine

1.Movethethrottlelevermidwaybetweenthe

SLOWandFASTpositions(Figure16).

g007809

Figure16

1.Throttlelever3.Key

2.Chokelever

2.MovethechokelevertotheONposition(Figure

16).

Note:Awarmorhotenginemaynotrequire

choking.

3.Starttheengineasfollowsforyourmachine:

•Forrecoil-startmachines,turnthekeytothe

ONposition,thenpulltherecoilhandleon

topoftheengine.

•Forelectric-startmachines,turnthekey

totheONposition(Figure16).Whenthe

enginestarts,releasethekey.

Important:Donotengagethestarterfor

morethan10secondsatatime.Ifthe

enginefailstostart,allowa30-second

cooldownperiodbetweenattempts.

Failuretofollowtheseinstructionscan

burnoutthestartermotor.

4.GraduallymovethechokelevertotheOFF

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.

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.

CAUTION

Achildoruntrainedbystandercould

attempttooperatethemachineandbe

injured.

Removethekeyfromtheswitchwhen

leavingthemachine,evenifjustforafew

seconds.

DiggingaTrench

DANGER

Thismachineiscapableofamputatinghands

andfeet.

•Alwayswearsubstantial,slip-resistant

footwear.

•Stayintheoperatingpositionwhilethe

machineisrunning,andkeepawayfrom

movingparts.

•Keepallbystandersasafedistanceaway

fromthemachine.

•Stopthemachineimmediatelyifany

peopleoranimalsentertheworkarea.

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:Toachievethemaximumdepth,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.

3.Removethebottomshield.

4.Usingawrench,turnthetowvalvesonthe

hydraulicpumpstwicecounter-clockwise(Figure

17).

g007816

Figure17

1.Towvalves

5.Installthebottomshieldandtowthemachine

asrequired.

6.Afterrepairingthemachine,closethetowvalves

beforeoperatingit.

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.

g015378

Figure18

1.Fronttie-downloop

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.

•Toimprovethequalityoftrencheslessthan61cm

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

•Iftheliftspeedofthemachineistooslowortoo

fast,adjusttheboltindicatedinFigure20.

g020996

Figure20

1.Lift-speedadjustmentbolt

•Usethecorrectchainforthegroundconditions,as

listedinthefollowingtable:

SoilTypeRecommendedChainType

SandySoilchain(congurewith

extrateethforafasterdigging

speed;refertoyourAuthorized

ServiceDealer)

SandyLoam/Loam/Loamy

Clay

Soilchain

Wet,stickyclay

Soilchain

Hardsoils:dryclayand

compactedsoils

Combinationchain

Rockysoil/gravel

Rockchain

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Toro TRX-20 Trencher User manual

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Model: TRX-20 Trencher

Type: User manual

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