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FormNo.3429-939RevB
TrencherHead
TXL2000ToolCarrier
ModelNo.22533—SerialNo.318000001andUp
Registeratwww.Toro.com.
OriginalInstructions(EN)
*3429-939*B
WARNING
CALIFORNIA
Proposition65Warning
Useofthisproductmaycauseexposure
tochemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Introduction
Thetrencherheadattachmentisintendedtobeused
onaTorotoolcarrierwithavarietyofboomsand
chains.Itisdesignedprimarilytodigtrenchesinsoil
tofacilitatetheburyingofcablingandpiping.Itnot
intendedforuseincuttinghardmaterialssuchas
woodorconcrete.Usingthisproductforpurposes
otherthanitsintendedusecouldprovedangerousto
youandbystanders.
Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoid
injuryandproductdamage.Youareresponsiblefor
operatingtheproductproperlyandsafely.
Visitwww.Toro.comforproductsafetyandoperation
trainingmaterials,accessoryinformation,helpnding
adealer,ortoregisteryourproduct
Wheneveryouneedservice,genuineToroparts,or
additionalinformation,contactanAuthorizedService
DealerorToroCustomerServiceandhavethemodel
andserialnumbersofyourproductready.Figure1
identiesthelocationofthemodelandserialnumbers
ontheproduct.Writethenumbersinthespace
provided.
Important:Withyourmobiledevice,youcan
scantheQRcodeontheserialnumberdecal(if
equipped)toaccesswarranty,parts,andother
productinformation.
g270158
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafety-alertsymbol
(Figure2),whichsignalsahazardthatmaycause
seriousinjuryordeathifyoudonotfollowthe
recommendedprecautions.
g000502
Figure2
1.Safety-alertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.
©2019—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
2
Contactusatwww.Toro.com.
PrintedintheUSA
AllRightsReserved
Contents
Safety.......................................................................3
GeneralSafety...................................................3
SlopeSafety.......................................................4
TrencherSafety..................................................4
MaintenanceandStorageSafety........................4
SafetyandInstructionalDecals..........................5
Setup........................................................................6
1InstallingtheBoom..........................................6
2InstallingtheDiggingChain..............................7
3InstallingtheCrumber......................................7
4InstallingtheSpoilsAuger................................8
ProductOverview.....................................................8
Specications....................................................8
Operation..................................................................9
InstallingandRemovingtheAttachment.............9
DiggingaTrench................................................9
OperatingTips..................................................10
OffsettingtheTrencher.....................................10
TransportPosition.............................................11
TransportingtheTrencheronaTrailer...............11
Maintenance...........................................................12
RecommendedMaintenanceSchedule(s)...........12
GreasingtheTrencher......................................12
CheckingtheHydraulicLines...........................12
ServicingthePlanetaryOil................................13
FlippingaWornBoom......................................14
ReplacingtheDiggingTeeth.............................14
ReplacingtheDiggingChain............................15
AdjustingtheChainTension.............................17
ReplacingtheDriveSprocket...........................18
Storage...................................................................19
Safety
DANGER
Theremaybeburiedutilitylinesinthework
area.Diggingintothemmaycauseashock
oranexplosion.
Havethepropertyorworkareamarkedfor
buriedlinesanddonotdiginmarkedareas.
Contactyourlocalmarkingserviceorutility
companytohavethepropertymarked(for
example,intheUS,call811orinAustralia,
call1100forthenationwidemarkingservice).
GeneralSafety
Alwaysfollowallsafetyinstructionstoavoidserious
injuryordeath.
•Donottransportanattachmentwiththe
armsraisedorextended;alwaystransportthe
attachmentclosetotheground,withtheloader
armsretracted;refertoTransportPosition(page
11).
•Havethepropertyorworkareamarkedforburied
linesandotherobjects,anddonotdiginmarked
areas.
•ReadandunderstandthecontentofthisOperator’s
Manualbeforestartingtheengine.
•Useyourfullattentionwhileoperatingthe
machine.Donotengageinanyactivitythat
causesdistractions;otherwise,injuryorproperty
damagemayoccur.
•Neverallowchildrenoruntrainedpeopleto
operatethemachine.
•Keepyourhandsandfeetawayfromthemoving
componentsandattachments.
•Donotoperatethemachinewithouttheguards
andothersafetyprotectivedevicesinplaceand
workingonthemachine.
•Keepbystandersandpetsasafedistanceaway
fromthemachine.
•Stopthemachine,shutofftheengine,andremove
thekeybeforeservicing,fueling,orunclogging
themachine.
Improperlyusingormaintainingthismachinecan
resultininjury.Toreducethepotentialforinjury,
complywiththesesafetyinstructionsandalways
payattentiontothesafety-alertsymbol
,which
meansCaution,Warning,orDanger—personalsafety
instruction.Failuretocomplywiththeseinstructions
mayresultinpersonalinjuryordeath.
Youcanndadditionalsafetyinformationwhere
neededthroughoutthisOperator’sManual.
3
SlopeSafety
•Operatethemachineupanddownslopeswith
theheavyendofthemachineuphill.Weight
distributionchangeswithattachments.This
attachmentmakesthefrontofmachinetheheavy
end.
•Keeptheattachmentintheloweredposition
withtheloaderarmsretractedwhenonslopes.
Raisingtheattachmentorextendingtheloader
armsonaslopeaffectsthestabilityofthemachine.
•Slopesareamajorfactorrelatedtolossofcontrol
andtip-overaccidents,whichcanresultinsevere
injuryordeath.Operatingthemachineonany
slopeoruneventerrainrequiresextracaution.
•Establishyourownproceduresandrulesfor
operatingonslopes.Theseproceduresmust
includesurveyingthesitetodeterminewhich
slopesaresafeformachineoperation.Always
usecommonsenseandgoodjudgmentwhen
performingthissurvey.
•Slowdownanduseextracareonhillsides.Ground
conditionscanaffectthestabilityofthemachine.
•Avoidstartingorstoppingonaslope.Ifthe
machinelosestraction,proceedslowly,straight
downtheslope.
•Avoidturningonslopes.Ifyoumustturn,turn
slowlyandkeeptheheavyendofthemachine
uphill.
•Keepallmovementsonslopesslowandgradual.
Donotmakesuddenchangesinspeedor
direction.
•Ifyoufeeluneasyoperatingthemachineona
slope,donotdoit.
•Watchforholes,ruts,orbumps,asuneventerrain
couldoverturnthemachine.Tallgrasscanhide
obstacles.
•Usecautionwhenoperatingonwetsurfaces.
Reducedtractioncouldcausesliding.
•Donotoperatethemachineneardrop-offs,
embankments,orbodiesofwater.Themachine
couldsuddenlyrolloverifawheelortrackgoes
overtheedgeortheedgecavesin.Maintain
asafedistancebetweenthemachineandany
hazard.
•Donotremoveoraddattachmentsonaslope.
•Donotparkthemachineonahillsideorslope.
TrencherSafety
•Keepyourhands,feet,andanyotherpartofyour
bodyorclothingawayfrommovingteeth,auger,
orotherparts.
•Lookbehindanddownbeforebackingupto
ensurethatthepathisclear.
•Stopthediggingchainwhenyouarenotdigging.
•Alwayslowertheattachmentandshutoffthe
machineeachtimeyouleavetheoperating
position.
•Cleansoilfromthetrencherbeforetransportingit.
MaintenanceandStorage
Safety
•Checkfastenersatfrequentintervalsforproper
tightnesstoensurethattheequipmentisinsafe
operatingcondition.
•RefertotheOperator’sManualforimportant
detailsifyoustoretheattachmentforanextended
periodoftime
•Maintainorreplacesafetyandinstructionlabels,
asnecessary.
4
SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea
ofpotentialdanger.Replaceanydecalthatisdamagedormissing.
decal125-6128
125-6128
1.Highpressureuidhazard,injectionintothebody—read
theOperator’sManualbeforeperformingmaintenance.
decal131-0711
131-0711
1.Crushinghazard—keepawayfrompinchpointsand
actuatingparts.
decal131-2539
131-2539
1.Cutting/dismembermenthazard,trencher—donotwalkin
frontofthetrencher.
decal133-8061
133-8061
decal139-2804
139-2804
1.Warning—readtheOperator’sManual.3.Explosionhazard;electricshockhazard—donotoperateif
powerlinesmaybepresent;callyourlocalutilitycompany.
2.Warning—keepbystandersaway.
5
Setup
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescription
Qty.
Use
1
Boomassembly(soldseparately)
1Installtheboom.
2
Diggingchain(soldseparately)
1Installthediggingchain.
3
Crumber(providedwithboom)
1Installthecrumber
4
Nopartsrequired
–
Installthespoilsauger.
1
InstallingtheBoom
Partsneededforthisprocedure:
1
Boomassembly(soldseparately)
Procedure
1.Installthetrenchertothetractionunit;referto
theOperator’sManualforthetractionunit.
2.Raisethetrencherabout15cm(6inches)off
theground.
3.Shutofftheengineandremovethekey.
4.Removethejamnutsandtensioningbolton
eachsideoftheboom(Figure3).
5.Thread2jamnutsontoeachbolttothehead
ofthebolt.
6.Inserttheboltsintothetubes,withtheheadof
theboltandnutsfacingtheendtobeinstalled
onthedrivehead(Figure3).
7.Slidetheboomoverthearmonthedrivehead
(Figure3).
g280085
Figure3
1.Boom
3.Tensioningbolt(2)
2.Arm
4.Jamnut(4)
6
2
InstallingtheDiggingChain
Partsneededforthisprocedure:
1
Diggingchain(soldseparately)
Procedure
1.Removetheboltandlocknutsecuringthespoils
augerandremovetheauger(Figure4).
Note:Retainthehardwareforinstallationlater.
g270627
Figure4
1.Bolt(5/8x4inches)3.Locknut(5/8inch)
2.Spoilsauger
2.RefertoInstallingtheDiggingChain(page16)
toinstallthechain.
3
InstallingtheCrumber
Partsneededforthisprocedure:
1
Crumber(providedwithboom)
Procedure
Installthecrumberusingthe4bolts(1/2x1-3/4
inches),4atwashers,4springwashers,and4nuts
(1/2inch)asshowninFigure5.
Note:Ensurethatthereisatleast5cm(2inches)
betweenthechainandcrumberplate.
g270626
Figure5
1.Nut—1/2inch(4)4.Crumber
2.Flatwasher(4)5.Crumberplate
3.Springwasher(4)6.Bolt—1/2x1-3/4inches
(4)
7
4
InstallingtheSpoilsAuger
NoPartsRequired
Procedure
Beforeoperatingthetrencher,installandpositionthe
spoilsaugertoworkcorrectlywiththediggingchain
congurationyouareusing.Ifyoudonotpositionthe
spoilsaugercorrectly,youcoulddamagethetrencher.
1.Usetheboltandnutremovedfromtheauger
previouslytosecureitinthecorrectholes,as
showninFigure6.
g270649
Figure6
1.Connecttheseholesfora
10cm(4inch)chain.
3.Connecttheseholesfora
20cm(8inch)chain.
2.Connecttheseholesfora
15cm(6inch)chain.
4.Connecttheseholesfora
30cm(12inch)chain.
2.Torquetheboltto183to223N∙m(135to165
ft-lb).
ProductOverview
Specications
Note:Specicationsanddesignaresubjectto
changewithoutnotice.
With91cm
(36inch)
boom
With122
cm(48inch)
boom
With152
cm(60inch)
boom
91cm122cm152cm Digdepthat
60degree
boomangle
(36inches)(48inches)(60inches)
150cm150cm150cm
Width
(59inches)(59inches)(59inches)
66cm66cm66cm
Height
(26inches)(26inches)(26inches)
178cm216cm244cm
Length
(70inches)(85inches)(96inches)
515kg554kg583kg Approximate
weightwith
chain
(1,135lb)(1,220lb)(1,285lb)
Note:Widerchainswillincreasetheweightofthe
trencher.
Toensureoptimumperformanceandcontinuedsafety
certicationofthemachine,useonlygenuineToro
replacementpartsandaccessories.Replacement
partsandaccessoriesmadebyothermanufacturers
couldbedangerous,andsuchusecouldvoidthe
productwarranty.
8
Operation
InstallingandRemoving
theAttachment
RefertotheOperator’sManualforthetractionunitfor
theinstallationandremovalprocedure.
Important:Beforeinstallingtheattachment,
positionthemachineonalevelsurface,ensure
thatthemountplatesarefreeofanydirtordebris,
andensurethatthepinsrotatefreely.Ifthepins
donotrotatefreely,greasethem.
Note:Alwaysusethetractionunittoliftandmove
theattachment.
WARNING
Ifyoudonotfullyseatthequick-attach
pinsthroughtheattachmentmountplate,
theattachmentcouldfalloffthemachine,
crushingyouorbystanders.
Ensurethatthequick-attachpinsarefully
seatedintheattachmentmountplate.
WARNING
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.Fluidinjected
intotheskinmustbesurgicallyremoved
withinafewhoursbyadoctorfamiliarwith
thisformofinjury;otherwise,gangrenemay
result.
•Ensurethatallhydraulic-uidhoses
andlinesareingoodconditionandall
hydraulicconnectionsandttingsaretight
beforeapplyingpressuretothehydraulic
system.
•Keepyourbodyandhandsawayfrom
pinholeleaksornozzlesthateject
high-pressurehydraulicuid.
•Usecardboardorpapertondhydraulic
leaks;neveruseyourhands.
CAUTION
Hydrauliccouplers,hydrauliclines/valves,
andhydraulicuidmaybehot.Ifyoucontact
hotcomponents,youmaybeburned.
•Weargloveswhenoperatingthehydraulic
couplers.
•Allowthemachinetocoolbeforetouching
hydrauliccomponents.
•Donottouchhydraulicuidspills.
DiggingaTrench
1.Starttheengine,setthethrottletoHIGHIDLE,and
movethemachineovertheareatobetrenched.
2.Raisetheloaderarmstothehorizontalposition,
andtiltthetrenchersothattheboomisata15°
angle.
3.Engagetheauxiliaryhydraulicsandslowlylower
thetrencheruntilthechaintouchestheground.
4.Begininsertingthenoseoftheboomandchain
intothegroundbyslowlyraisingthetrenchera
fewcentimeters(inches)offthegroundwhile
tiltingthenosedownintothegroundgradually.
Note:Youmayneedtomovethetractionunit
rearwardasyourotatethetrenchertohelpthe
crumberengagetheground.
5.Oncethetrencherboomisinthegroundata
65°angle,slowlylowerthetrencheruntilthe
spoilsaugerisjustabovetheground.
6.Ensurethatallpartsofthetrencherare
functioningcorrectly.
7.Slowlymovethetractionunitrearwardtoextend
thetrench.
Note:Ifyoumovetoofast,thetrencherwillstall.
Ifitstalls,raiseitslightly,slowlydriveforward,or
reversethechaindirectionmomentarily.
8.Whennished,raisethetrencherandboomout
ofthetrenchbytiltingtheattachmentrearward.
Then,clearsoilfromthechainbychangingthe
directionofthechainseveraltimes.
9
OperatingTips
•Cleantheareaoftrash,branches,androcks
beforetrenchingtopreventequipmentdamage.
•Alwaysbegintrenchingwiththeslowestground
speedpossible.Increasespeedifconditions
permit.
•Alwaysusefullthrottle(maximumenginespeed)
whentrenching.
•Alwaystrenchbackward(i.e.,inreverse).
•Nevertransportthetrencherwiththeloaderarms
raised.Keepthearmsloweredandthetrencher
tiltedup.
•Whentrenching,thespoilsaugershouldjustclear
theoriginalgroundsurfacetoobtainmaximumsoil
removal.
•Trenchata65degreeangleforbestresults.
•Todigatrenchfaster,controlthedepthwith
periodicadjustmentsoftheloaderarms.
•Ifthetrencherbindsinthesoil,reversethechain
direction.Oncethechainisloose,continue
trenching.
•Ifyouneedthenishedtrenchtobecleaner
thanwhatispossiblewiththetrencher,you
canpurchaseacrumberfromyourdealer.The
crumbermountsontothetrencherandscrapesthe
trenchcleanasyourunthetrencher.
OffsettingtheTrencher
Youcanmovethetrenchertotheleftsideofthe
trencherframetoallowyoutotrenchclosetobuildings
andotherobstacles.
1.Removethetrencherfromthetractionunit;refer
totheOperator’sManualforthetractionunit.
2.Removethepinfromthetopofthetrencher
(Figure7).
g270671
Figure7
1.Pin
3.Movetheattachmentmountplatetothedesired
locationandsecureitwiththepin.
10
TransportPosition
Whentransportingtheattachment,keepitasclose
tothegroundaspossible,nomorethan15cm(6
inches)abovethelowestposition.Tiltitrearward.
g270672
Figure8
1.Nomorethan15cm(6
inches)abovethelowest
position
2.Tilttheattachment
rearward.
TransportingtheTrencher
onaTrailer
Placethetrencheronatrailerortruckcapableof
carryingit.Securelytiethetrenchertothetraileror
truckusingtiestrapsappropriatefortheweightofthe
trencherandforhighwayuse.
11
Maintenance
Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.
CAUTION
Ifyouleavethekeyintheswitch,someonecouldaccidentlystarttheengineandseriously
injureyouorotherbystanders.
Removethekeyfromtheswitchbeforeyouperformanymaintenance.
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Beforeeachuseordaily
•Greasethetrencher
•Checkthehydrauliclinesforleaks,loosettings,kinkedlines,loosemounting
supports,wear,weather,andchemicaldeterioration.
•Checktheplanetaryoillevel.
•Inspecttheboomforwear.
•Checkthechaintension.
Every25hours
•Inspecttheboomforwear.
Every50hours
•Replacetheplanetaryoil.
GreasingtheTrencher
ServiceInterval:Beforeeachuseordaily
GreaseType:General-purposegrease
1.Parkthemachineonalevelsurface,disengage
theauxiliaryhydraulics,engagetheparking
brake,andlowertheloaderarms.
2.Shutofftheengineandremovethekey.
3.Removetheplugfromtheidlershaft.
4.Cleanthegreasettingwitharag(Figure9).
g270678
Figure9
1.Plug
5.Connectagreaseguntothetting.
6.Pumpgreaseintothettingsuntilgreasebegins
tooozeoutofthebearings(approximately3
pumps).
7.Wipeupanyexcessgrease.
8.Installtheplug.
CheckingtheHydraulic
Lines
ServiceInterval:Beforeeachuseordaily
WARNING
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.Fluidinjected
intotheskinmustbesurgicallyremoved
withinafewhoursbyadoctorfamiliarwith
thisformofinjury;otherwise,gangrenemay
result.
•Keepyourbodyandhandsawayfrom
pinholeleaksornozzlesthateject
high-pressurehydraulicuid.
•Usecardboardorpapertondhydraulic
leaks;neveruseyourhands.
12
ServicingthePlanetaryOil
OilSpecications
Oiltype:SAE80W-90,APIserviceGL-5
Capacity:0.70L(24oz)
CheckingthePlanetaryOilLevel
ServiceInterval:Beforeeachuseordaily
1.Parkthemachineonalevelsurface,disengage
theauxiliaryhydraulics,engagetheparking
brake,andlowertheloaderarms.
2.Shutofftheengineandremovethekey.
3.Removetheupperdrainplug,atthe3o’clock
positionontheplanetary,nearthequick-attach
plate(Figure10).
4.Ifoilcomesoutofthehole,theoillevelis
correct.Ifnooilcomesout,addoiluntilitcomes
outofthehole.
Important:Donotoverll.
5.Installtheplug.
g272152
Figure10
1.Lowerdrainplug2.Upperdrainplug
ReplacingthePlanetaryOil
ServiceInterval:Every50hours
1.Parkthemachineonalevelsurface,disengage
theauxiliaryhydraulics,engagetheparking
brake,andlowertheloaderarms.
2.Shutofftheengineandremovethekey.
3.Removethelowerdrainplug,atthe6o’clock
positionontheplanetary,anddraintheoil
(Figure10).
4.Installthedrainplug.
5.Removetheupperdrainplugandaddoiluntilit
comesoutofthehole.
6.Installthedrainplug.
7.Disposeoftheusedoilatarecyclingcenter.
13
FlippingaWornBoom
ServiceInterval:Every25hours—Inspecttheboom
forwear.
Inspectthebottomoftheboomforwear.Ifitisworn,
completethefollowing:
Note:Aboomiswornwhengroovesfromthechain
aredeepenoughthatthelinkrollerscontacttheboom.
Note:Ifyouhavealreadyippedtheboomonce,
replacetheboomwhenbothsidesareworn.
1.Parkthemachineonalevelsurface,disengage
theauxiliaryhydraulics,engagetheparking
brake,andlowertheloaderarms.
2.Shutofftheengineandremovethekey.
3.Loosenthejamnutsandmovethemtoasclose
totheheadofthetensioningboltsaspossible
(Figure11).
4.Removethechainfromthedrivesprocketand
boom.
Note:Useahoisttoliftthechain.
5.Removetheboom,ipitoversothebottom
becomesthetop(orifyouhavealreadyipped
itonce,replaceit),andinstalltheboomagain
(Figure11).
g270625
Figure11
1.Boom3.Jamnutsandtensioning
bolt(2)
2.Arm
6.Installthechainoverthedrivesprocketandidler
wheel.
Note:Useahoisttoliftthechain.
7.Adjustthetensioningboltsuntilthereis
approximately2.5cm(1inch)ofslackbetween
thebottomoftheboomandthechain.Tighten
thejamnuts.
Note:Ensuretoadjustthejamnutsonboth
boltsevenly.
ReplacingtheDigging
Teeth
ServiceInterval:Beforeeachuseordaily—Inspect
theboomforwear.
Duetothehighamountofwearplacedonthedigging
teeth,youneedtoreplacethemperiodically.
Toreplaceasingletooth,removetheboltsandnuts
securingthetoothtoremoveit,theninstallanew
toothinthesameposition.T orquetheboltssecuring
theteethto37to45N∙m(27to33ft-lb).
g245068
Figure12
1.Nut3.Nut
2.Tooth
14
ReplacingtheDigging
Chain
RemovingtheDiggingChain
PreparingtoRemovetheDiggingChain
1.Parkthemachineonalevelsurface,lowerthe
loaderarms,andtilttheboomtothehorizontal
position.
2.Rotatethediggingchainuntilthemasterpinis
positionedatthetopoftheidlerwheel(Figure
15).
3.Shutofftheengineandremovethekey.
4.Removetheboltandlocknutsecuringthespoils
augerandremovetheauger(Figure13).
Note:Retainthehardwareforinstallationlater.
g270627
Figure13
1.Bolt(5/8x4inches)3.Locknut(5/8inch)
2.Spoilsauger
5.Loosenthejamnutsandmovethemtoasclose
totheheadofthetensioningboltsaspossible
(seeFigure11).
RemovingtheMasterPinintheDiggingChain
1.Countingfromthemasterpin,loopa3.65m(12
foot)liftingstrapwithaliftingcapacityof181.4
kg(400lb)aroundthechainatthediggingtooth
ofthefthorsixthlinkbelowandforwardofthe
boom(Figure14).
2.Withthestrapattachedtotheliftingequipment,
raisetheliftingstrapenoughtosupportthe
diggingchain.
3.Clamptheendsofthechainwithawithachain
clampatthelinkrollersateithersideoftheinner
andouterplatesatthemasterpin(Figure14).
g272492
Figure14
1.Chainclamp
2.Masterpinhole
4.Straightenorcutoffthetailofthesafetypinand
removethepin(Figure15).
g272491
Figure15
1.Masterpin
3.Safetypin(bent30°to
45°)
2.Safetypin
Note:Discardthesafetypin.
5.Removethemasterpinandtherollerforthe
masterpin(Figure15).
Note:Retainthemasterpinandtherollerfor
installingthereplacementchain.
15
RemovingtheDiggingChainfromtheMachine
1.Lowertheliftingequipmentuntiltheendofthe
diggingchainislayingontheground(Figure16).
2.Removetheliftingstrap.
3.Startthemachineandlowertheboomuntilthe
idlerwheelispositioned31to36cm(12to14
inches)abovetheground(Figure16).
g272495
Figure16
1.Diggingchain3.Idlerwheel
2.Liftingstrap4.Clearance31to36cm(12
to14inches)
4.Startthemachineandslowlyengagethe
forward-owauxiliaryhydraulics.
5.Whenthediggingchainhasclearedthedrive
sprocket,shutofftheauxiliaryhydraulics,shut
offthemachine,andremovethekey.
6.Wraptheliftingstraparoundthediggingchainat
theidlerwheel,andattachthestraptothelifting
equipment(Figure16).
7.Raisetheliftingequipmentandremovethe
diggingchainfromtheboom(Figure16).
InstallingtheDiggingChain
PreparingtoInstalltheDiggingChain
1.Parkthemachineonalevelsurface,lowerthe
loaderarms,andtilttheboomtothehorizontal
position.
2.Shutofftheengineandremovethekey.
3.Laythediggingchainonthegroundinastraight
line,belowtheliftingequipmentsuchasa
hoist,andwiththecuttingfaceoftheteeth
pointingtowardthepathwhereyouwillmove
themachine(forward)topositionitoverthe
diggingchain(Figure17).
g272494
Figure17
1.Liftingstrap2.Diggingchain(teethdown
andforward)
4.Attheforwardendofthechain,loopa3.65
m(12foot)liftingstrapwithaliftingcapacity
of181.4kg(400lb)aroundthechainatthe
diggingtoothofthethirdorfourthlinkofthe
chain(Figure17).
5.Startthemachineandpositionthetrencher
boomoverthediggingchainandwiththelifting
strapforwardofthedrivesprocketofthe
trencher(Figure17).
Note:Whenpositionedcorrectly,theboomof
thetrencherisalignedwiththediggingchain.
6.Turnthemachineoffandremovethekey.
AligningtheDiggingChain
Thisprocedurerequires2peopletoalignthedigging
chaintothemachine.
1.Routetheendsoftheliftingstrapforwardof
thesprockethub,oneithersideofthedrive
sprocket.
g272496
Figure18
1.Liftingstrap
3.Drivesprocket
2.Diggingchain
2.Connecttheendsoftheliftingstraptothelifting
equipment,andraisetheendofthechainuntil
thedrivepinsengagethedrivesprocket(Figure
18).
16
3.Startthemachineandslowlyengagethe
forward-owauxiliaryhydraulicstodrivethe
chainontotheupperwearstripoftheboom.
Important:Ifthechainisnotalignedor
engagedwiththedrivesprocket,shutoffthe
machine,removethekey,andalignthechain
tothedrivesprocket.
Note:Maintaintensiononthestrapuntilthe
endofthechainisontheupperwearstrip.
4.Lowertheliftingstrapasthechainmoves
aroundthesprocketandintopositiononthe
upperwearstrip.
5.Shutofftheauxiliaryhydraulicswhentheendof
thechainispositionedontopoftheidlerwheel
(Figure19).
g272493
Figure19
1.Liftingstrap
3.Idlerwheel
2.Diggingchain
6.Shutoffthemachineandremovethekey.
7.Removetheliftingstrapfromthemachine.
LinkingtheDiggingChain
1.Attheendofthechainlayingontheground,
looptheliftingstraparoundthechainatthe
diggingtoothofthefthorsixthlinkofthechain
(Figure19).
2.Raisethechainandpositionitaroundtheidler
wheel(Figure19andFigure14).
Note:Rotatetheaugerasnecessarytoengage
theteethofaugerdrivesprocketwiththedigging
chain.
3.Clamptheendsofthechainwithawithachain
clampatthelinkrollersateithersideoftheinner
andouterplatesatthemasterpin(Figure14).
4.Aligntheholeofalinkrollerwiththeholesinthe
innerplatesattheendofthechain(Figure15).
5.Aligntheholesintheinnerplatesandtheroller
ofthechainwiththeholesintheouterplatesof
theotherendofthechain(Figure15).
6.Alignthemasterpinwiththeholeinthepin
parallelwiththechainplatesforwardoftheidler
wheel(Figure15).
7.Insertthemasterpinthroughthediggingchain
plates.
8.Insertthesafetypinthroughthemasterpin
withtheheadofthepintowardtheidlerwheel
(Figure15).
Important:Donotinstallausedsafetypin.
Onlyuseanewsafetypin.
9.Removetheliftingstrapandthechainclamp.
10.Bendthetailofthesafetypindown30°to45°
(Figure15).
11.Installthespoilsauger;referto4Installingthe
SpoilsAuger(page8).
12.Adjustthetensionofthediggingchain;referto
AdjustingtheChainTension(page17).
AdjustingtheChain
Tension
ServiceInterval:Beforeeachuseordaily—Check
thechaintension.
Withthetrencherparalleltotheground,ensurethat
thereisapproximately2.5cm(1inch)betweenthe
bottomoftheboomandthetopofthebottomchain
span.Ifnot,adjustthechainusingthefollowing
procedure:
1.Parkthemachineonalevelsurface,disengage
theauxiliaryhydraulics,engagetheparking
brake,andlowertheloaderarms.
2.Shutofftheengineandremovethekey.
3.Rotatethejamnutclosesttothetubetoadjust
thetensioningboltuntilthereisapproximately
2.5cm(1inch)ofslackbetweenthebottomof
theboomandthechain(Figure3).Tightenthe
otherjamnutagainsttherstjamnut.
Note:Ensuretoadjustthejamnutsonboth
boltsevenly.
4.Loosenthe4nutssecuringthecrumbertothe
trencherandslideitoutwardsothatthereisat
least5cm(2inches)betweenthechainandthe
crumberplate(Figure5).
5.Tightenthe4nuts.
17
ReplacingtheDrive
Sprocket
Overtime,thedrivesprocketwillwear,especially
whenusedinsandyorclaysoils.Whenthishappens,
thediggingchainwillbegintoslip.Ifthechainslips,
replacethedrivesprocketasfollows:
1.Parkthemachineonalevelsurface,disengage
theauxiliaryhydraulics,engagetheparking
brake,andlowertheloaderarms.
2.Raisethetrencherafewcentimeters(inches)
abovetheground.
3.Shutofftheengineandremovethekey.
4.Removethespoilsauger(Figure20).
g270871
Figure20
1.Bolt(5/8x4inches)
4.Drivesprocket
2.Spoilsauger
5.Jamnutsandtensioning
bolt(2)
3.Locknut(5/8inch)
5.Loosenthejamnutsandmovethemtoasclose
totheheadofthetensioningboltsaspossible
(Figure20).
6.Removethechainfromthedrivesprocketand
boom.
7.Removethe6bolts(5/8x2-1/2inches)andnuts
(5/8inch)securingthedrivesprocket(Figure
20).
8.Removeanddiscardthedrivesprocket(Figure
20).
9.Cleanthesprocketmountingsurfaceonthe
trencher.
10.Applythread-lockingcompoundtothe6bolts
(5/8x2-1/2inches),andinstallthesprocket
halves,bolts,andnuts(5/8inch)ngertight
(Figure20).
11.Slowlybegintighteningtheboltsprogressing
aroundthesprocketuntilallboltsaretorquedto
129to155N∙m(95to115ft-lb).
Important:Tighteneachboltonlyhalfway
rst,workingyourwayaroundthe6bolts,
thenreturntoeachboltinturnandtorque
them.
12.Installthediggingchain;refertoInstallingthe
DiggingChain(page16).
13.Installthespoilsauger;referto4Installingthe
SpoilsAuger(page8).
18
Storage
1.Beforelong-termstorage,washtheattachment
withmilddetergentandwatertoremovedirtand
grime.
2.Paintallscratchedorbaremetalsurfaces.
Note:PaintisavailablefromyourAuthorized
ServiceDealer.
3.Storetheattachmentinaclean,drygarageor
storagearea.Coverittoprotectitandkeepit
clean.
19
CaliforniaProposition65WarningInformation
Whatisthiswarning?
Youmayseeaproductforsalethathasawarninglabellikethefollowing:
WARNING:CancerandReproductiveHarm—www.p65Warnings.ca.gov.
WhatisProp65?
Prop65appliestoanycompanyoperatinginCalifornia,sellingproductsinCalifornia,ormanufacturingproductsthatmaybesoldinorbroughtinto
California.ItmandatesthattheGovernorofCaliforniamaintainandpublishalistofchemicalsknowntocausecancer,birthdefects,and/orother
reproductiveharm.Thelist,whichisupdatedannually,includeshundredsofchemicalsfoundinmanyeverydayitems.ThepurposeofProp65isto
informthepublicaboutexposuretothesechemicals.
Prop65doesnotbanthesaleofproductscontainingthesechemicalsbutinsteadrequireswarningsonanyproduct,productpackaging,orliteraturewith
theproduct.Moreover,aProp65warningdoesnotmeanthataproductisinviolationofanyproductsafetystandardsorrequirements.Infact,the
CaliforniagovernmenthasclariedthataProp65warning“isnotthesameasaregulatorydecisionthataproductis‘safe’or‘unsafe.’”Manyofthese
chemicalshavebeenusedineverydayproductsforyearswithoutdocumentedharm.Formoreinformation,gotohttps://oag.ca.gov/prop65/faqs-view-all
.
AProp65warningmeansthatacompanyhaseither(1)evaluatedtheexposureandhasconcludedthatitexceedsthe“nosignicantrisklevel”;or(2)
haschosentoprovideawarningbasedonitsunderstandingaboutthepresenceofalistedchemicalwithoutattemptingtoevaluatetheexposure.
Doesthislawapplyeverywhere?
Prop65warningsarerequiredunderCalifornialawonly.ThesewarningsareseenthroughoutCaliforniainawiderangeofsettings,includingbutnot
limitedtorestaurants,grocerystores,hotels,schools,andhospitals,andonawidevarietyofproducts.Additionally,someonlineandmailorder
retailersprovideProp65warningsontheirwebsitesorincatalogs.
HowdotheCaliforniawarningscomparetofederallimits?
Prop65standardsareoftenmorestringentthanfederalandinternationalstandards.TherearevarioussubstancesthatrequireaProp65warning
atlevelsthatarefarlowerthanfederalactionlimits.Forexample,theProp65standardforwarningsforleadis0.5μg/day,whichiswellbelow
thefederalandinternationalstandards.
Whydon’tallsimilarproductscarrythewarning?
•ProductssoldinCaliforniarequireProp65labellingwhilesimilarproductssoldelsewheredonot.
•AcompanyinvolvedinaProp65lawsuitreachingasettlementmayberequiredtouseProp65warningsforitsproducts,butothercompanies
makingsimilarproductsmayhavenosuchrequirement.
•TheenforcementofProp65isinconsistent.
•CompaniesmayelectnottoprovidewarningsbecausetheyconcludethattheyarenotrequiredtodosounderProp65;alackofwarningsfora
productdoesnotmeanthattheproductisfreeoflistedchemicalsatsimilarlevels.
WhydoesToroincludethiswarning?
Torohaschosentoprovideconsumerswithasmuchinformationaspossiblesothattheycanmakeinformeddecisionsabouttheproductstheybuyand
use.T oroprovideswarningsincertaincasesbasedonitsknowledgeofthepresenceofoneormorelistedchemicalswithoutevaluatingthelevelof
exposure,asnotallthelistedchemicalsprovideexposurelimitrequirements.WhiletheexposurefromToroproductsmaybenegligibleorwellwithinthe
“nosignicantrisk”range,outofanabundanceofcaution,T orohaselectedtoprovidetheProp65warnings.Moreover,ifT orodoesnotprovidethese
warnings,itcouldbesuedbytheStateofCaliforniaorbyprivatepartiesseekingtoenforceProp65andsubjecttosubstantialpenalties.
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