TRX-16 Walk-Behind Trencher (22972)

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

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FormNo.3390-434RevA
TRX-16,TRX-20,andTRX-26
Trencher
ModelNo.22972—SerialNo.315000001andUp
ModelNo.22972G—SerialNo.315000001andUp
ModelNo.22973—SerialNo.315000001andUp
ModelNo.22973G—SerialNo.315000001andUp
ModelNo.22974—SerialNo.315000001andUp
Registeratwww.Toro.com.
OriginalInstructions(EN)
*3390-434*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
1
Figure1
1.Modelandserialnumberplate
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhassafety
messagesidentiedbythesafetyalertsymbol(Figure2),
whichsignalsahazardthatmaycauseseriousinjuryordeath
ifyoudonotfollowtherecommendedprecautions.
Figure2
1.Safetyalertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanicalinformation
andNoteemphasizesgeneralinformationworthyofspecial
attention.
©2015—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
2
Contactusatwww.Toro.com.
PrintedintheUSA
AllRightsReserved
Contents
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
3
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)cantreadEnglish,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.
4
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
1116°
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):
5
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
2
Measuredvibrationlevelforlefthand=2.0m/s
2
UncertaintyValue(K)=1.1m/s
2
Measuredvaluesweredeterminedaccordingtotheprocedures
outlinedinENISO20643.
Model22973
Measuredvibrationlevelforrighthand=2.3m/s
2
Measuredvibrationlevelforlefthand=2.1m/s
2
UncertaintyValue(K)=1.1m/s
2
Measuredvaluesweredeterminedaccordingtotheprocedures
outlinedinENISO20643.
Model22974
Measuredvibrationlevelforrighthand=1.8m/s
2
Measuredvibrationlevelforlefthand=2.0m/s
2
UncertaintyValue(K)=1.00m/s
2
Measuredvaluesweredeterminedaccordingtotheprocedures
outlinedinENISO20643.
6
SlopeIndicator
G01 1841
Figure3
Thispagemaybecopiedforpersonaluse.
1.Todeterminethemaximumslopeyoucansafelyoperatethemachineon,refertotheSlopeOperationsection.Usetheslope
indicatortodeterminethedegreeofslopeofhillsbeforeoperating.Donotoperatethismachineonaslopegreaterthanthat
speciedintheSlopeOperationsection.Foldalongtheappropriatelinetomatchtherecommendedslope.
2.Alignthisedgewithaverticalsurface,atree,building,fencepole,etc.
3.Exampleofhowtocompareslopewithfoldededge.
7
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.
8
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.
9
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
10
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.
11
Setup
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescription
Qty.
Use
Boom(soldseparately)
1
1
Chain(soldseparately)
1
Installtheboomandchain.
2
Nopartsrequired
Checktheuidlevels.
3
Nopartsrequired
Chargethebattery.
1
InstallingtheBoomandChain
Partsneededforthisprocedure:
1
Boom(soldseparately)
1
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
step3throughtheboomandarm,butdonottighten
them.
7.Ifthechainisnotconnected,connectthelinksby
pressingorhammeringtheclevispinsuppliedwiththe
chainthroughthelinks.
Important:Toavoidbendingthechainlinks,
placeblocksunderandbetweenthelinkswhen
hammeringtheclevispinthrough.
8.Securetheclevispinwiththecotterpinsuppliedwith
thechain.
12
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).
2
CheckingFluidLevels
NoPartsRequired
Procedure
Beforestartingtheengineforthersttime,checktheengine
oilandhydraulicuidlevels;refertoCheckingtheEngine-Oil
Level(page17)andCheckingtheHydraulicFluidLevel(page
17)formoreinformation.
3
ChargingtheBattery(Electric
StartModelsOnly)
NoPartsRequired
Procedure
Chargethebattery;refertoChargingtheBattery(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
5
6
7
8
3
4
1
2
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.
13
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.
14
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
1
Figure15
1.Parkingbrakelever(inthereleasedposition)
15
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.
16
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
1
Figure17
1.Hydraulicuidcheckbubble
4.Removethecoverplate;refertoRemovingtheCover
Plate(page23).
5.Cleantheareaaroundthellerneckofthehydraulic
tankandremovethecapandlterfromthellerneck
usingasocket(Figure18).
17
Figure18
1.Fillerneckcap
2.Hydraulicuidlter
6.Ifthelevelislow,adduiduntilitisvisibleintheglass
bubble.
7.Installthecapandlteronthellerneckandtorque
boltontopto13to15.5N-m(110to140inch-lb).
18
StartingandStoppingthe
Engine
StartingtheEngine
1.MovethethrottlelevermidwaybetweenSlowandFast
positions(Figure19).
G007809
1
2
3
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).
19
G007816
1
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
1
G007818
Figure23
1.Reartie-downloops
LiftingtheMachine
Youcanliftthemachineusingthetie-down/liftloopsaslift
points(Figure22andFigure23).
20
/