Toro 22473, 22474 Operator's Manual

FormNo.3364-930RevA

High-TorqueTrencherHead

CompactUtilityLoaders

ModelNo.22473—SerialNo.310000001andUp

ModelNo.22474—SerialNo.310000001andUp

ToregisteryourproductordownloadanOperator'sManualorPartsCatalogatnocharge,gotowww.T oro.com.OriginalInstructions(EN)

ThisproductcomplieswithallrelevantEuropean

G008933

1

directives,fordetailspleaseseetheseparateproduct
specicDeclarationofConformity(DOC)sheet.

DANGER

Theremaybeburiedpower,gas,and/ortelephone
linesintheworkarea.Shockorexplosionmay
occurifyoudigintothem.

Havethepropertyorworkareamarkedforburied
linesanddonotdiginmarkedareas.Contactyour
localmarkingserviceorutilitycompanytohavethe
propertymarked(forexample,intheUnitedStates,
call811forthenationwidemarkingservice).

Figure1

1.Modelandserialnumberlocation

Introduction

Thetrencherheadsareattachmentsdesignedforuseon
Torocompactutilityloaderswithavarietyofbooms
andchainstodigtrenchesinsoiltofacilitatetheburying
ofcablingandpiping.Theyarenotintendedforusein
cuttinghardmaterialssuchaswoodorconcrete.

Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoidinjury
andproductdamage.Youareresponsibleforoperating
theproductproperlyandsafely.

YoumaycontactTorodirectlyatwww .T oro.comfor
productandaccessoryinformation,helpndinga
dealer,ortoregisteryourproduct.

Wheneveryouneedservice,genuineToroparts,or
additionalinformation,contactanAuthorizedService
DealerorToroCustomerServiceandhavethemodel
andserialnumbersofyourproductready .
identiesthelocationofthemodelandserialnumbers
ontheproduct.Writethenumbersinthespace
provided.

Figure1

ModelNo.

SerialNo.

Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafetyalertsymbol
(Figure2),whichsignalsahazardthatmaycauseserious
injuryordeathifyoudonotfollowtherecommended
precautions.

Figure2

1.Safetyalertsymbol

Thismanualalsouses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.

©2010—TheT oro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420

Contents

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

Safety...........................................................................3

StabilityRatings....................................................4

SafetyandInstructionalDecals.............................5

Setup............................................................................6

1InstallingtheBoomandDigging

Chain...............................................................6

2InstallingtheSafetyBar......................................6

3InstallingtheSpoilsAuger..................................7

4CheckingtheBearingCaseLubeLevel................7

ProductOverview........................................................8

Contactusatwww.T oro.com.

2

PrintedintheUSA.

AllRightsReserved

Specications.......................................................8

Attachments/Accessories.....................................8

Operation.....................................................................9

DiggingaTrench..................................................9

OffsettingtheTrencher........................................9

TransportingtheTrencheronaTrailer................10

OperatingTips...................................................10

Maintenance...............................................................11

RecommendedMaintenanceSchedule(s)................11

GreasingtheTrencher........................................11

ServicingtheBearingCaseLube.........................11

AdjustingDiggingChainTension.......................12

FlippingaWornBoom.......................................12

ReplacingtheDiggingTeeth...............................13

ReplacingtheDriveSprocket..............................13

Storage.......................................................................14

Troubleshooting.........................................................15

Safety

Improperuseormaintenancebytheoperatoror
ownercanresultininjury.Toreducethepotential
forinjury,complywiththesesafetyinstructionsand
thoseinthetractionunit
payattentiontothesafetyalertsymbol,which
means
safetyinstruction.Failuretocomplywiththe
instructionmayresultinpersonalinjuryordeath.

Caution

,

W ar ning

Operator’ s Man ual

,or

Danger

—personal

DANGER

Theremaybeburiedpower,gas,and/ortelephone
linesintheworkarea.Shockorexplosionmay
occurifyoudigintothem.

Havethepropertyorworkareamarkedforburied
linesanddonotdiginmarkedareas.Contactyour
localmarkingserviceorutilitycompanytohavethe
propertymarked(forexample,intheUnitedStates,
call811forthenationwidemarkingservice).

.Always

DANGER

Themovingteethandaugerwillseverelycuthands,
feet,orotherbodyparts.

•Keephands,feet,andanyotherpartofyour
bodyorclothingawayfrommovingteeth,auger,
orotherparts.

•Beforeadjusting,cleaning,repairing,or
inspectingthetrencher,lowerthetrencherto
theground,stoptheengine,waitforallmoving
partstostop,andremovethekey.

WARNING

Whentheengineisoff,attachmentsintheraised
positioncangraduallylower.Someonenearbymay
bepinnedorinjuredbytheattachmentasitlowers.

Alwayslowertheattachmentlifteachtimeyoushut
offthetractionunit.

WARNING

Whengoingupordownhill,themachinecould
overturniftheheavyendistowardthedownhill
side.Someonemaybepinnedorseriouslyinjured
bythemachineifitoverturns.

Operateupanddownslopeswiththeheavyendof
themachineuphill.Anattachedtrencherwillmake
thefrontendheavy.

3

WARNING

StabilityRatings

Ifyoudonotfullyseattheattachmentlocking
pinsintheattachmentmountplateholes,the
attachmentcouldfalloffofthetractionunitseverely
injuringtheoperatororbystanders.

•Ensurethatyoufullyseattheattachment
lockingpinsthroughtheholesintheattachment
mountplatebeforeliftingtheattachment.

•Ensurethattheattachmentmountplateisfreeof
anydirtordebristhatmayhindertheconnection
ofthetractionunittotheattachment.

•Refertoyourtractionunit
fordetailedinformationonsafelyconnectingan
attachmenttoyourtractionunit.

Operator’ s Man ual

WARNING

Lightningcancausesevereinjuryordeath.If
lightningisseenorthunderisheardinthearea,do
notoperatethemachine;seekshelter.

Todeterminethedegreeofslopeyoucantraversewith
thetrencherinstalledonatractionunit,ndthestability
ratingforthehillpositionyouwanttotravelinthe
appropriatetablebelow,thenndthedegreeofslope
forthesameratingandhillpositionintheStabilityData
sectionofthetractionunitOperator’sManual.

WARNING

Exceedingthemaximumrecommendedslope
cancausethetractionunittotip,crushingyouor
bystanders.

Donotdrivethetractionunitonaslopesteeper
thanthemaximumrecommendedslope,as
determinedinthefollowingtablesandthetraction

Operator’ s Man ual

unit

Important:Ifyouhaveatractionunitotherthana
TXcompactutilityloader,usethecounterweighton
thetractionunitwhenusingthetrencher.Failureto
usethecounterweightwillcausethetractionunitto
becomeunstable.

.

CAUTION

Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.Fluidinjectedinto
theskinmustbesurgicallyremovedwithinafew
hoursbyadoctorfamiliarwiththisformofinjury
organgrenemayresult.

•Keepyourbodyandhandsawayfrompin
holeleaksornozzlesthatejecthighpressure
hydraulicuid.

•Usecardboardorpapertondhydraulicleaks,
neveruseyourhands.

CAUTION

Hydrauliccouplers,hydrauliclines/valves,and
hydraulicuidmaybehotandcanburnyouifyou
touchthem.

•Weargloveswhenoperatingthehydraulic
couplers.

OrientationStabilityRating

FrontUphill

C

RearUphill

D

SideUphill

C

•Allowthetractionunittocoolbeforetouching
hydrauliccomponents.

•Donottouchhydraulicuidspills.

4

SafetyandInstructionalDecals

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaof
potentialdanger.Replaceanydecalthatisdamagedorlost.

99-9952

1.Cuttinghazard,chainandauger—stayawayfrommovingpartsandkeepbystandersawayfromthemachine.

2.Warning—stoptheengineandremovethekeybeforepreformingandmaintenanceorrepairs.

3.Explosionand/orelectricshockhazard—donotdiginareaswithburiedgasorpowerlines.

99-9953

1.Explosionand/orelectricshockhazard—donotdiginareaswithburiedgasorpowerlines.

5

Setup

G008934

1

2

3
4

5

6
7

8

9

1

7.Installthe2bolts,nuts,anddoublewashersremoved
previouslythroughtheboomandarm,butdonot
tightenthem.

8.Ifthechainisnotconnected,connectthelinksby
pressingorhammeringtheclevispinsuppliedwith
thechainthroughthelinks.

InstallingtheBoomand
DiggingChain

Partsneededforthisprocedure:

1

Boomassembly(soldseparately)

1

Chainassembly(soldseparately)

Procedure

1.Raisethetrencherabout6inches(15cm)offofthe
ground.

2.Stoptheengineandremovethekey.

3.Removetheboltandnutsecuringthespoilsauger
andremovetheauger(
nutforfutureuse.

Figure3).Savetheboltand

Important:T oavoidbendingthechainlinks,
placeblocksunderandbetweenthelinkswhen
hammeringtheclevispinthrough.

9.Securetheclevispinwiththecotterpinsupplied
withthechain.

10.Loopthediggingchainovertheaugerdriveshaftand
ontothedrivesprocket,ensuringthatthedigging
teethpointforwardontheupperspan.

11.Settheupperspanofthechainintoplaceonthe
trencherboom,thenwrapthechainaroundthe
rollerattheendoftheboom.

12.Threadtheadjustmentboltintotheboomandturn
itinuntilthereis1-1/2to2-1/2inches(3.8to6.3
cm)ofslackinthechainonthebottomspan.

13.Threadthejamnutdowntheadjustingboltand
tightenitsecurelyagainsttheboom.

14.Torquethe2boltsandnutssecuringtheboomto
135to165ft-lb(183to223N-m).

1.Spoilsauger

2.Drivesprocket7.Adjustingbolt

3.Armonthedrivehead8.Nuts

4.Doublewasher9.Boom

5.Bolts

4.Removethe2bolts,nuts,anddoublewashersfrom
thesidesoftheboom(Figure3).

5.Loosentheadjustingboltandjamnut(Figure3).

6.Slidetheboomoverthearmonthedrivehead.

Figure3

6.Jamnut

2

InstallingtheSafetyBar

Partsneededforthisprocedure:

1

Safetybar

Safetybarextension(withboomsover2ft(61cm)

1

only)

2

Bolts(withboomsover2ft(61cm)only)

2

Procedure

1.Removethe3bolts,washers,andangenutsfrom

Locknuts(withboomsover2ft(61cm)only)

theupperleftcornerofthetrencherframe(Figure4).

6

123

4

G008935

Figure4

1

2

3

4

5

1.Safetybar

2.Washers4.Flangenuts

2.Usingthefastenersremovedpreviously ,installthe
trenchersafetybarasillustratedinFigure4.

3.Torquetheboltsandnutsto190to230ft-lb(257to
311N-m).

3.Bolts

•6inch(15cm)chainconguration

Usingtheholefarthestfromtheaugerbladein
theendoftheaugerwithtwoholes,connectthe
augertotheinnerholeontheshaft.

•8inch(20cm)chainconguration

Usingtheendoftheaugerwithonehole,
connecttheaugertotheinnerholeontheshaft.

•12inch(25or30cm)chainconguration

Usingtheendoftheaugerwithonehole,
connecttheaugertotheouterholeontheshaft.

4.Ifyouhaveaboomover2ft(61cm),securethe
safetybarextension(suppliedwiththeboom)over
theendofthesafetybarandsecureitusingthe2
boltsandlocknutssuppliedwiththeextension.

3

InstallingtheSpoilsAuger

NoPartsRequired

Procedure

Beforeoperatingthetrencher,installandpositionthe
spoilsaugertoworkcorrectlywiththediggingchain
congurationyouareusing.Failuretopositionthe
spoilsaugercorrectlymaydamagethetrencher.

1.Toinstallandpositiontheauger,usetheboltand
nutremovedfromtheaugerpreviouslytosecureit
inthecorrectholes,asdescribedinthefollowinglist:

Figure5

1.Auger

2.Connecttheseholesfora4inch(10cm)chain

3.Connecttheseholesfora6inch(15cm)chain

4.Connecttheseholesfora8inch(20cm)chain

5.Connecttheseholesfora12inch(30cm)chain

2.Torquetheboltandnutto75ft-lb(101N-m).

Note:RefertoFigure5whenperformingthis
procedure.

•4inch(10cm)chainconguration

Usingtheholeclosesttotheaugerbladeinthe
endoftheaugerwithtwoholes,connectthe
augertotheinnerholeontheshaft.

7

G008940

1

ProductOverview

4

CheckingtheBearingCase
LubeLevel

NoPartsRequired

Procedure

Beforeoperatingthetrencher,checktoensurethatthe
bearingcaseislledwithgearlube.

1.Lowerthetrenchertothegroundonaat,level
surfaceandtiltitsothattheboomisparallelwith
theground.

2.Stoptheengineandremovethekey.

3.Cleantheareaaroundthebearingcasellholeplug

Figure6).

(

Specications

Note:Specicationsanddesignaresubjecttochange

withoutnotice.

Width,with3ft(91cm)boom35inches(89cm)
Length,with3ft(91cm)boom65inches(165cm)
Height,with3ft(91cm)boom24inches(61cm)
Weight,with3ft(91cm)boom390lb(177Kg)
Maximumtrenchdepth,2ft(61

cm)boom
Maximumtrenchdepth,3ft(91

cm)boom
Maximumtrenchdepth,4ft

(122cm)boom

Attachments/Accessories

AselectionofToroapprovedattachmentsand
accessoriesareavailableforusewiththemachineto
enhanceandexpanditscapabilities.Contactyour
AuthorizedServiceDealerorDistributororgoto
www.Toro.comforalistofallapprovedattachments
andaccessories.

24inches(61cm)ata65
degreeboomangle

36inches(91cm)ata65
degreeboomangle

48inches(122cm)ata65
degreeboomangle

Figure6

1.Bearingcasellholeplug

4.Removetheplugfromthebearingcasellhole
(Figure6).

5.Lookinthehole,thelevelshouldbeuptothe
bottomofthehole;ifnotaddgearlubeuntilit
comesoutofthehole.

6.Replacetheplugandtorqueitto15to17ft-lb(20
to23N-m).

8

Operation

G008937

1

2

3

RefertoyourtractionunitOperator’ sManualformore
informationoninstallingandremovingattachments
onyourtractionunit.

Important:Alwaysusethetractionunittoliftand
movetheattachment.

DiggingaTrench

1.Ifyourtractionunithasaspeedselector,setitto
theslow(turtleposition),thenstarttheengine.

WARNING

Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.Fluidinjected
intotheskinmustbesurgicallyremovedwithin
afewhoursbyadoctorfamiliarwiththisform
ofinjuryorgangrenemayresult.

•Keepyourbodyandhandsawayfrompin
holeleaksornozzlesthatejecthighpressure
hydraulicuid.

•Usecardboardorpapertondhydraulic
leaks,neveruseyourhands.

2.Pulltheauxiliaryhydraulicslevertotheoperator
griptoengagethetrencher.

3.Slowlylowerthetrenchertothegroundsothatthe
boomandchainareparalleltotheground.

4.Begininsertingthenoseoftheboomandchain
intothegroundbyslowlyraisingthetrencherafew
inchesoffthegroundwhiletiltingthenosedown
intothegroundgradually.

5.Oncethetrencherboomisinthegroundata45to
60degreeangle,slowlylowerthetrencheruntilthe
spoilsaugerisjustabovetheground.

6.Ensurethatallpartsofthetrencherarefunctioning
correctly.

7.Slowlymovethetractionunitrearwardtoextend
thetrench.

Note:Ifyoumovetoofast,thetrencherwillstall.
Ifitstalls,raiseitslightly ,slowlydriveforward,or
reversethechaindirectionmomentarily .

8.Whennished,raisethetrencherandboomoutof
thetrenchbytiltingtheattachmentrearward,then
stopthetrencherbymovingtheauxiliaryhydraulics
leverintoneutral.

OffsettingtheTrencher

Youcanmovethetrenchertotherightsideofthe
trencherframetoallowyoutotrenchclosetobuildings
andotherobstacles.

2.Removethe6boltssecuringthetrencherheadto
theframe(Figure7).

Figure7

1.Trencherhead(simplied
forillustrativepurposes)

2.Safetybar

3.Movetheframetotheleft,aligningtheholesinthe
rightsideoftheframewiththoseinthehead.

4.Attachtheheadtotheframewiththe6bolts
removedpreviously(

5.Torquetheboltsto190to230ft-lb(257to311
N-m).

6.Removethe3bolts,washers,andangenutsfrom
thesafetybarandremovethebar(

7.Removethe2shortbolts,washers,andangenuts
securingtherightsideoftheupperframeand
movethemtothecorrespondingholesontheleft
(Figure7).

3.Sidehoseguide

Figure7).

Figure7).

1.Lowerthetrenchertotheground,stoptheengine,
anddisconnectthehydrauliclinesfromthetrencher.

8.Installthesafetybaroverthetrencherchainusing
the3bolts,washers,andangenutsremoved
previously(Figure7).

9.Torqueall5boltsandnutsto190to230ft-lb(257
to311N-m).

10.Movethehosesfromthehoseguideontopofthe

9

trenchertothehoseguideontheleftside(Figure7).

TransportingtheTrencheron
aTrailer

Placethetrencheronatrailerortruckcapableof
carryingit.Securelytiethetrenchertothetraileror
truckusingtiestrapsappropriatefortheweightofthe
trencherandforhighwayuse.

OperatingTips

•Cleantheareaoftrash,branchesandrocksbefore
trenchingtopreventequipmentdamage.

•Alwaysbegintrenchingwiththeslowestground
speedpossible.Increasespeedifconditionspermit.

•Alwaysusefullthrottle(maximumenginespeed)
whentrenching.

•Alwaystrenchbackwards(i.e.,inreverse).

•Nevertransportthetrencherwiththeloaderarms
raised.Keepthearmsloweredandthetrencher
tiltedup.

•Whentrenching,thespoilsaugershouldjustclear
theoriginalgroundsurfacetoobtainmaximumsoil
removal.

•Trenchata45to60degreeangleforbestresults.

•Youwillbeabletodigatrenchfasterbycontrolling
thedepthwithperiodicadjustmentsoftheloader
arms.

•Ifyourtractionunithasaspeedselector(present
onsomewheeledtractionunits),setittotheslow
(turtleposition).

•Ifyourtractionunithasaowdivider(present
onsomewheeledtractionunits),adjustitto
approximatelythe10o’clockposition.

•Ifthetrencherbindsinthesoil,pushtheauxiliary
hydraulicsleverfullyforwardtoreversethechain
direction.Oncethechainisloose,pullthelever
rearwardagainandcontinuetrenching.

•Ifyouneedthenishedtrenchtobecleanerthan
whatispossiblewiththetrencher,youcanpurchase
acrumberfromyourdealer.Thecrumbermounts
ontothetrencherandscrapesthetrenchcleanas
yourunthetrencher.

•Toimprovethequalityoftrencheslessthan24
inches(61cm)deep,usea24inch(61cm)boom
onthetrencher.

10

Maintenance

G008938

RecommendedMaintenanceSchedule(s)

MaintenanceService

Interval

Beforeeachuseordaily

Every25hours

Every200hours

Beforestorage

MaintenanceProcedure

•Greasethetrencher.

•Inspectthediggingteethandchainforexcessivewear .

•Checkthegearlubelevel.

•Adjustthediggingchaintension.

•Inspecttheboomforwear.

•Changethegearlube.

•Greasethetrencher.

•Checkthegearlubelevel.

•Paintchippedsurfaces.

CAUTION

Ifyouleavethekeyintheignitionswitch,someonecouldstarttheengine.Accidentalstartingofthe
enginecouldseriouslyinjureyouorotherbystanders.

Removethekeyfromtheignitionswitchbeforeyoudoanymaintenance.

GreasingtheTrencher

ServiceInterval:Beforeeachuseordaily

Beforestorage

Grease2ttings,asshowninFigure8andFigure9,
everydayandimmediatelyaftereverywashing.

GreaseType:General-purposegrease

1.Stoptheengineandremovethekey.

2.Cleanthegreasettingswitharag.

3.Connectagreaseguntoeachtting.

4.Pumpgreaseintothettingsuntilgreasebeginsto
oozeoutofthebearings.

5.Wipeupanyexcessgrease.

Figure8

Figure9

ServicingtheBearingCase
Lube

ServiceInterval:Every25hours

Every200hours
Beforestorage

Gearlubetype:SAE90-140APIserviceGL-4orGL-5

Rellcapacity:1pint(1/2l).

CheckingtheBearingCaseLube

1.Lowerthetrenchertothegroundonaat,level
surfaceandtiltitsothattheboomisparallelwith
theground.

2.Stoptheengineandremovethekey.

3.Cleantheareaaroundthebearingcasellholeplug
(

Figure10).

11

G008940

1

Figure10

1.Bearingcasellholeplug

4.Removetheplugfromthebearingcasellhole
(Figure10).

AdjustingDiggingChain
Tension

ServiceInterval:Every25hours

Withthetrencherparalleltotheground,ensurethat
thereare1-1/2to2-1/2inches(3.8to6.3cm)between
thebottomoftheboomandthetopofthebottom
chainspan.Ifnot,adjustthechainusingthefollowing
procedure:

Important:Donotovertightenthechain.Excess
chaintensionmaydamagedrivecomponents.

1.Loosenthe2boltsandnutssecuringtheboomto
thetrencherarm(

2.Loosenthejamnutsecuringtheadjustmentbolt

Figure3).

(

3.Turntheadjustmentboltinoroutasneededto
achievethedesiredtension.

4.Tightenthejamnut.

5.Torquethe2boltsandnutssecuringtheboomto
135to165ft-lb(183to223N-m).

Figure3).

5.Lookinthehole,thelevelshouldbeuptothe
bottomofthehole;ifnotaddgearlubeuntilit
comesoutofthehole.

6.Replacetheplugandtorqueitto15to17ft-lb(20
to23N-m).

ChangingtheGearLube

1.Cleantheareaaroundthebearingcasellholeplug
(Figure10).

2.Removetheplugfromthebearingcasellhole
(Figure10).

3.Liftthetrencheruntiltheboomisvertical,draining
thelubethroughthellholeandintoapan.

4.Returnthetrenchertotheground.

5.Fillthebearingcasewithgearlubeuntilitcomes
outofthellhole.

6.Replacetheplugandtorqueitto15to17ft-lb(20
to23N-m).

FlippingaWornBoom

ServiceInterval:Every25hours

Inspectthebottomoftheboomforwear,ifitisworn,
completethefollowing:

Note:Ifyouhavealreadyippedtheboomonce,
replacetheboomwhenbothsidesareworn.

1.Removethe2boltsandnutssecuringtheboomto
thetrencherarm(Figure3).

2.Loosenthejamnutontheadjustingboltinthe
boom(

3.Loosentheadjustingboltuntilyoucanremovethe
chainfromtheboom(Figure3).

4.Removethechainfromthedrivesprocket.

5.Removetheboom,ipitoversothebottom
becomesthetop(orifyouhavealreadyippedit
once,replaceit),andinstalltheboomagain.

6.Replacethenuts,bolts,andwasherssecuringthe
boom.

Figure3).

7.Installthechainoverthedrivesprocketandfront
roller.

8.AdjustthechaintensionasdescribedinAdjusting
theDiggingChainTension.

12

ReplacingtheDiggingTeeth

G008941

123

ServiceInterval:Beforeeachuseordaily

Duetothehighamountofwearplacedonthedigging
teeth,youwillneedtoreplacethemperiodically.

Toreplaceasingletooth,removetheboltssecuringthe
toothtoremoveit,theninstallanewtoothinthesame
position.Torquetheboltssecuringtheteethto27to33
ft-lb(37to45N-m).

ReplacingtheDriveSprocket

Overtime,thedrivesprocketwillwear,especiallywhen
usedinsandyorclaysoils.Whenthishappens,the
diggingchainwillbegintoslip.Ifthechainslips,replace
thedrivesprocket,asfollows:

1.Raisethetrencherafewinchesabovetheground.

2.Stoptheengineandremovethekey.

3.Removethespoilsauger(Fig.8).

Important:Thearrowonthesprocketface
shouldbevisiblefromtherightsideofthe
trencherandshouldpointinaclockwise
direction;ifnot,turnthesprocketaround.

12.Threadthe6boltsintothesprocketngertight(Fig.

8).

13.Slowlybegintighteningtheboltsprogressingaround
thesprocketuntilallboltsaretorquedto95to115
ft-lb(129to155N-m).

Important:Tighteneachboltonlyhalfway
rst,workingyourwayaroundthesixbolts,
thenreturntoeachboltinturnandtorquethem
tothespecicationsgiveninstep13.

14.Loopthechainovertheaugerdriveshaftandonto
thedrivesprocket,ensuringthattheteethpoint
forwardontheupperspan.

15.Settheupperspanofthechainintoplaceonthe
trencherboom,thenwrapthechainaroundthe
rollerattheendoftheboom.

16.Threadtheadjustmentboltintotheboomandturn
itinuntilthereis1-1/2to2-1/2inches(3.8to6.3
cm)ofslackinthechainonthebottomspan.

Figure11

1.Spoilsauger

2.Drivesprocket

3.Bolts

4.Loosenthe2boltsandnutssecuringtheboomto
thetrencherarm(Fig.2).

5.Loosenthejamnutontheadjustingboltinthe
boom(Fig.2).

6.Loosentheadjustingboltuntilyoucanremovethe
chainfromtheboom(Fig.2).

7.Removethechainfromthedrivesprocket.

8.Removethe6boltssecuringthedrivesprocket(Fig.

8).

17.Threadthejamnutdowntheadjustingboltand
tightenitsecurelyagainsttheboom.

18.Torquethe2boltsandnutssecuringtheboomto
135to165ft-lb(183to223N-m).

19.Installthespoilsauger;refertoInstallingtheSpoils
Auger.

9.Removeanddiscardthedrivesprocket(Fig.8).

10.Cleanthesprocketmountingsurfaceonthetrencher.

11.Slidethenewsprocketontotheshaftasillustrated
inFigure8.

13

Storage

1.Beforelongtermstorage,brushthedirtfromthe
attachment.

2.Checktheconditionofthediggingchain.Adjustand
lubricatethechain.Replaceanywornordamaged
teeth.

3.Checkandtightenallbolts,nuts,andscrews.Repair
orreplaceanypartthatisdamagedorworn.

4.Ensurethatallhydrauliccouplersareconnected
togethertopreventcontaminationofthehydraulic
system.

5.Paintallscratchedorbaremetalsurfaces.Paintis
availablefromyourAuthorizedServiceDealer.

6.Storethetrencherinaclean,drygarageorstorage
area.Coverthetrenchertoprotectitandkeepit
clean.

14

Troubleshooting

Problem

Thechaindoesnotturn.

Thetrencherdoesnotdigfastenough.

PossibleCauseCorrectiveAction

1.Ahydrauliccouplerisnotcompletely
connected.

2.Ahydrauliccouplerisdamaged.

3.Thereisanobstructioninahydraulic
hose

4.Anauxiliaryvalveonthetractionunit
isnotopening.

5.Theboomendbearingfailed.

6.Thediggingchainistootight.6.Adjustthediggingchain.

7.Thereissandbuildupintoothrootof
thedrivesprocket.

8.Hydraulicmotororchaindrivefailure8.ContactyourAuthorizedService

1.Wornteeth1.Replaceanywornteeth.

2.Wrongsettingonowdividerand
speedlever(applicablewheeledunits
only)

3.Thereisarestrictioninaquickcoupler
orhose.

4.Thehydraulicsystemistoohot.

5.Thereliefvalveissetbelow
specications.

1.Checkandtightenallcouplers.

2.Check/replacecouplers

3.Findandremovetheobstruction.

4.Repairthevalve.

5.Replacethebearing.

7.Raisethetrencherandrunthechain
backwards,thenreducethechain
tension.

Dealer.

2.Settheowdividertothe10:00
positionandthespeedlevertothe
turtleposition.

3.Checkthehosesandcouplersand
repairanyproblemsfound.

4.Shutdownandallowthesystemtocool.

5.ContactyourAuthorizedService
Dealer.

Thechainturnsinthewrongdirection

Thebearingcaselubeiscontaminated.

1.Theauxiliaryvalveleverisinthewrong
position.

2.Thehydraulichosesarereversed.2.Disconnecthosesandswitchpositions.

1.Thellplugisleaking.1.Lookformoisturearoundthellplug.

2.O-ringfailureonthemotor.2.ContactyourAuthorizedService

3.Sealfailure.3.ContactyourAuthorizedService

1.Movetheauxiliaryvalvelevertothe
rearwardposition.

Ifpresent,changetheoil,andreplace
theplugandtheplugo-ring.

Dealer.

Dealer.

15

ToroCompactUtilityEquipmentWarranty

AOne-YearLimitedWarranty

CUEProducts

ConditionsandProductsCovered

TheToro®Companyanditsafliate,T oroWarrantyCompany,pursuant
toanagreementbetweenthem,jointlywarrantyourT oroCompactUtility
Equipment(“Product”)tobefreefromdefectsinmaterialsorworkmanship.
Thefollowingtimeperiodsapplyfromthedateofpurchase:

ProductsWarrantyPeriod

Loaders,TrenchersandAttachments1yearor1000operating

hours,whicheveroccursrst

KohlerEngines3years
AllotherEngines2years

Whereawarrantableconditionexists,wewillrepairtheProductatnocost
toyouincludingdiagnosis,labor,andparts.

InstructionsforObtainingWarrantyService

IfyouthinkthatyourT oroProductcontainsadefectinmaterialsor
workmanship,followthisprocedure:

1.ContactanyAuthorizedT oroCompactUtilityEquipment(CUE)
ServiceDealertoarrangeserviceattheirdealership.T olocatea
dealerconvenienttoyou,accessourwebsiteatwww.T oro.com.
YoumayalsocallourT oroCustomerCareDepartmenttollfree
at888-865-5676(U.S.customers)or888-865-5691(Canadian
customers).

2.Bringtheproductandyourproofofpurchase(salesreceipt)tothe
ServiceDealer.

3.IfforanyreasonyouaredissatisedwiththeServiceDealer’s
analysisorwiththeassistanceprovided,contactusat:

LCBCustomerCareDepartment
ToroW arrantyCompany
811 1LyndaleAvenueSouth
Bloomington,MN55420-1196
TollFree:888-865-5676(U.S.customers)
TollFree:888-865-5691(Canadacustomers)

OwnerResponsibilities

YoumustmaintainyourT oroProductbyfollowingthemaintenance
proceduresdescribedintheOperator’sManual.Suchroutine
maintenance,whetherperformedbyadealerorbyyou,isatyourexpense.
Partsscheduledforreplacementasrequiredmaintenance(“Maintenance
Parts”),arewarrantedfortheperiodoftimeuptothescheduled
replacementtimeforthatpart.Failuretoperformrequiredmaintenance
andadjustmentscanbegroundsfordisallowingawarrantyclaim.

ItemsandConditionsNotCovered

Notallproductfailuresormalfunctionsthatoccurduringthewarranty
periodaredefectsinmaterialsorworkmanship.Thisexpresswarranty
doesnotcoverthefollowing:

•Productfailureswhichresultfromtheuseofnon-Tororeplacement

parts,orfrominstallationanduseofadd-on,modied,orunapproved
accessories

•Productfailureswhichresultfromfailuretoperformrequired

maintenanceand/oradjustments

•ProductfailureswhichresultfromoperatingtheProductinan

abusive,negligentorrecklessmanner

•Partssubjecttoconsumptionthroughuseunlessfoundtobe

defective.Examplesofpartswhichareconsumed,orusedup,during
normalProductoperationinclude,butarenotlimitedto,diggingteeth,
tines,sparkplugs,tires,tracks,lters,chains,etc.

•Failurescausedbyoutsideinuence.Itemsconsideredtobeoutside

inuenceinclude,butarenotlimitedto,weather,storagepractices,
contamination,useofunapprovedcoolants,lubricants,additives,or
chemicals,etc.

•Normal“wearandtear”items.Normal“wearandtear”includes,butis

notlimitedto,wornpaintedsurfaces,scratcheddecalsorwindows,
etc.

•Anycomponentcoveredbyaseparatemanufacturer’swarranty

•Pickupanddeliverycharges

GeneralConditions

RepairbyanAuthorizedT oroCompactUtilityEquipment(CUE)Service
Dealerisyoursoleremedyunderthiswarranty.

NeitherTheToro®CompanynorToroWarrantyCompanyisliable
forindirect,incidentalorconsequentialdamagesinconnectionwith
theuseoftheToroProductscoveredbythiswarranty,including
anycostorexpenseofprovidingsubstituteequipmentorservice
duringreasonableperiodsofmalfunctionornon-usepending
completionofrepairsunderthiswarranty.Allimpliedwarranties
ofmerchantabilityandtnessforusearelimitedtotheduration
ofthisexpresswarranty .Somestatesdonotallowexclusionsof
incidentalorconsequentialdamages,orlimitationsonhowlong
animpliedwarrantylasts,sotheaboveexclusionsandlimitations
maynotapplytoyou.

Thiswarrantygivesyouspeciclegalrights,andyoumayalsohaveother
rightswhichvaryfromstatetostate.

ExceptfortheenginewarrantycoverageandtheEmissionswarranty
referencedbelow,ifapplicable,thereisnootherexpresswarranty.The
EmissionsControlSystemonyourProductmaybecoveredbyaseparate
warrantymeetingrequirementsestablishedbytheU.S.Environmental
ProtectionAgency(EPA)ortheCaliforniaAirResourcesBoard(CARB).
ThehourlimitationssetforthabovedonotapplytotheEmissions
ControlSystemWarranty .RefertotheCaliforniaEmissionControl
WarrantyStatementsuppliedwithyourProductorcontainedintheengine
manufacturer’sdocumentationfordetails.

CountriesOtherthantheUnitedStatesorCanada

CustomerswhohavepurchasedT oroproductsexportedfromtheUnitedStatesorCanadashouldcontacttheirT oroDistributor(Dealer)toobtain
guaranteepoliciesforyourcountry ,province,orstate.IfforanyreasonyouaredissatisedwithyourDistributor’sserviceorhavedifcultyobtaining
guaranteeinformation,contacttheToroimporter.Ifallotherremediesfail,youmaycontactusatT oroWarrantyCompany .

374-0261RevA