Toro High Speed Trencher Head User manual

FormNo.3364-930RevA

High-TorqueTrencherHead

CompactUtilityLoaders

ModelNo.22473—SerialNo.310000001andUp

ModelNo.22474—SerialNo.310000001andUp

ToregisteryourproductordownloadanOperator'sManualorPartsCatalogatnocharge,gotowww.Toro.com.OriginalInstructions(EN)

ThisproductcomplieswithallrelevantEuropean

directives,fordetailspleaseseetheseparateproduct

specicDeclarationofConformity(DOC)sheet.

DANGER

Theremaybeburiedpower,gas,and/ortelephone

linesintheworkarea.Shockorexplosionmay

occurifyoudigintothem.

Havethepropertyorworkareamarkedforburied

linesanddonotdiginmarkedareas.Contactyour

localmarkingserviceorutilitycompanytohavethe

propertymarked(forexample,intheUnitedStates,

call811forthenationwidemarkingservice).

Introduction

Thetrencherheadsareattachmentsdesignedforuseon

Torocompactutilityloaderswithavarietyofbooms

andchainstodigtrenchesinsoiltofacilitatetheburying

ofcablingandpiping.Theyarenotintendedforusein

cuttinghardmaterialssuchaswoodorconcrete.

Readthisinformationcarefullytolearnhowtooperate

andmaintainyourproductproperlyandtoavoidinjury

andproductdamage.Youareresponsibleforoperating

theproductproperlyandsafely.

YoumaycontactTorodirectlyatwww.Toro.comfor

productandaccessoryinformation,helpndinga

dealer,ortoregisteryourproduct.

Wheneveryouneedservice,genuineToroparts,or

additionalinformation,contactanAuthorizedService

DealerorToroCustomerServiceandhavethemodel

andserialnumbersofyourproductready.

Figure1

identiesthelocationofthemodelandserialnumbers

ontheproduct.Writethenumbersinthespace

provided.

G008933

Figure1

1.Modelandserialnumberlocation

ModelNo.

SerialNo.

Thismanualidentiespotentialhazardsandhas

safetymessagesidentiedbythesafetyalertsymbol

(Figure2),whichsignalsahazardthatmaycauseserious

injuryordeathifyoudonotfollowtherecommended

precautions.

Figure2

1.Safetyalertsymbol

Thismanualalsouses2wordstohighlightinformation.

Importantcallsattentiontospecialmechanical

informationandNoteemphasizesgeneralinformation

worthyofspecialattention.

Contents

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

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

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

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

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

1InstallingtheBoomandDigging

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

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

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

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

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

8111LyndaleAvenueSouth

Bloomington,MN55420

Contactusatwww.Toro.com.

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

Operator’ s Man ual

.Always

payattentiontothesafetyalertsymbol,which

means

Caution

W ar ning

,or

Danger

—personal

safetyinstruction.Failuretocomplywiththe

instructionmayresultinpersonalinjuryordeath.

DANGER

Theremaybeburiedpower,gas,and/ortelephone

linesintheworkarea.Shockorexplosionmay

occurifyoudigintothem.

Havethepropertyorworkareamarkedforburied

linesanddonotdiginmarkedareas.Contactyour

localmarkingserviceorutilitycompanytohavethe

propertymarked(forexample,intheUnitedStates,

call811forthenationwidemarkingservice).

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.

WARNING

Ifyoudonotfullyseattheattachmentlocking

pinsintheattachmentmountplateholes,the

attachmentcouldfalloffofthetractionunitseverely

injuringtheoperatororbystanders.

•Ensurethatyoufullyseattheattachment

lockingpinsthroughtheholesintheattachment

mountplatebeforeliftingtheattachment.

•Ensurethattheattachmentmountplateisfreeof

anydirtordebristhatmayhindertheconnection

ofthetractionunittotheattachment.

•Refertoyourtractionunit

Operator’ s Man ual

fordetailedinformationonsafelyconnectingan

attachmenttoyourtractionunit.

WARNING

Lightningcancausesevereinjuryordeath.If

lightningisseenorthunderisheardinthearea,do

notoperatethemachine;seekshelter.

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.

•Allowthetractionunittocoolbeforetouching

hydrauliccomponents.

•Donottouchhydraulicuidspills.

StabilityRatings

Todeterminethedegreeofslopeyoucantraversewith

thetrencherinstalledonatractionunit,ndthestability

ratingforthehillpositionyouwanttotravelinthe

appropriatetablebelow,thenndthedegreeofslope

forthesameratingandhillpositionintheStabilityData

sectionofthetractionunitOperator’sManual.

WARNING

Exceedingthemaximumrecommendedslope

cancausethetractionunittotip,crushingyouor

bystanders.

Donotdrivethetractionunitonaslopesteeper

thanthemaximumrecommendedslope,as

determinedinthefollowingtablesandthetraction

unit

Operator’ s Man ual

Important:Ifyouhaveatractionunitotherthana

TXcompactutilityloader,usethecounterweighton

thetractionunitwhenusingthetrencher.Failureto

usethecounterweightwillcausethetractionunitto

becomeunstable.

OrientationStabilityRating

FrontUphill

RearUphill

SideUphill

SafetyandInstructionalDecals

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaof

potentialdanger.Replaceanydecalthatisdamagedorlost.

99-9952

1.Cuttinghazard,chainandauger—stayawayfrommovingpartsandkeepbystandersawayfromthemachine.

2.Warning—stoptheengineandremovethekeybeforepreformingandmaintenanceorrepairs.

3.Explosionand/orelectricshockhazard—donotdiginareaswithburiedgasorpowerlines.

99-9953

1.Explosionand/orelectricshockhazard—donotdiginareaswithburiedgasorpowerlines.

Setup

InstallingtheBoomand

DiggingChain

Partsneededforthisprocedure:

Boomassembly(soldseparately)

Chainassembly(soldseparately)

Procedure

1.Raisethetrencherabout6inches(15cm)offofthe

ground.

2.Stoptheengineandremovethekey.

3.Removetheboltandnutsecuringthespoilsauger

andremovetheauger(

Figure3).Savetheboltand

nutforfutureuse.

G008934

Figure3

1.Spoilsauger

6.Jamnut

2.Drivesprocket7.Adjustingbolt

3.Armonthedrivehead8.Nuts

4.Doublewasher9.Boom

5.Bolts

4.Removethe2bolts,nuts,anddoublewashersfrom

thesidesoftheboom(Figure3).

5.Loosentheadjustingboltandjamnut(Figure3).

6.Slidetheboomoverthearmonthedrivehead.

7.Installthe2bolts,nuts,anddoublewashersremoved

previouslythroughtheboomandarm,butdonot

tightenthem.

8.Ifthechainisnotconnected,connectthelinksby

pressingorhammeringtheclevispinsuppliedwith

thechainthroughthelinks.

Important:Toavoidbendingthechainlinks,

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).

InstallingtheSafetyBar

Partsneededforthisprocedure:

Safetybar

Safetybarextension(withboomsover2ft(61cm)

only)

Bolts(withboomsover2ft(61cm)only)

Locknuts(withboomsover2ft(61cm)only)

Procedure

1.Removethe3bolts,washers,andangenutsfrom

theupperleftcornerofthetrencherframe(Figure4).

123

G008935

Figure4

1.Safetybar

3.Bolts

2.Washers4.Flangenuts

2.Usingthefastenersremovedpreviously,installthe

trenchersafetybarasillustratedinFigure4.

3.Torquetheboltsandnutsto190to230ft-lb(257to

311N-m).

4.Ifyouhaveaboomover2ft(61cm),securethe

safetybarextension(suppliedwiththeboom)over

theendofthesafetybarandsecureitusingthe2

boltsandlocknutssuppliedwiththeextension.

InstallingtheSpoilsAuger

NoPartsRequired

Procedure

Beforeoperatingthetrencher,installandpositionthe

spoilsaugertoworkcorrectlywiththediggingchain

congurationyouareusing.Failuretopositionthe

spoilsaugercorrectlymaydamagethetrencher.

1.Toinstallandpositiontheauger,usetheboltand

nutremovedfromtheaugerpreviouslytosecureit

inthecorrectholes,asdescribedinthefollowinglist:

Note:RefertoFigure5whenperformingthis

procedure.

•4inch(10cm)chainconguration

Usingtheholeclosesttotheaugerbladeinthe

endoftheaugerwithtwoholes,connectthe

augertotheinnerholeontheshaft.

•6inch(15cm)chainconguration

Usingtheholefarthestfromtheaugerbladein

theendoftheaugerwithtwoholes,connectthe

augertotheinnerholeontheshaft.

•8inch(20cm)chainconguration

Usingtheendoftheaugerwithonehole,

connecttheaugertotheinnerholeontheshaft.

•12inch(25or30cm)chainconguration

Usingtheendoftheaugerwithonehole,

connecttheaugertotheouterholeontheshaft.

G008936

Figure5

1.Auger

2.Connecttheseholesfora4inch(10cm)chain

3.Connecttheseholesfora6inch(15cm)chain

4.Connecttheseholesfora8inch(20cm)chain

5.Connecttheseholesfora12inch(30cm)chain

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

CheckingtheBearingCase

LubeLevel

NoPartsRequired

Procedure

Beforeoperatingthetrencher,checktoensurethatthe

bearingcaseislledwithgearlube.

1.Lowerthetrenchertothegroundonaat,level

surfaceandtiltitsothattheboomisparallelwith

theground.

2.Stoptheengineandremovethekey.

3.Cleantheareaaroundthebearingcasellholeplug

(

Figure6).

G008940

Figure6

1.Bearingcasellholeplug

4.Removetheplugfromthebearingcasellhole

(Figure6).

5.Lookinthehole,thelevelshouldbeuptothe

bottomofthehole;ifnotaddgearlubeuntilit

comesoutofthehole.

6.Replacetheplugandtorqueitto15to17ft-lb(20

to23N-m).

ProductOverview

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

24inches(61cm)ata65

degreeboomangle

Maximumtrenchdepth,3ft(91

cm)boom

36inches(91cm)ata65

degreeboomangle

Maximumtrenchdepth,4ft

(122cm)boom

48inches(122cm)ata65

degreeboomangle

Attachments/Accessories

AselectionofToroapprovedattachmentsand

accessoriesareavailableforusewiththemachineto

enhanceandexpanditscapabilities.Contactyour

AuthorizedServiceDealerorDistributororgoto

www.Toro.comforalistofallapprovedattachments

andaccessories.

Operation

RefertoyourtractionunitOperator’sManualformore

informationoninstallingandremovingattachments

onyourtractionunit.

Important:Alwaysusethetractionunittoliftand

movetheattachment.

DiggingaTrench

1.Ifyourtractionunithasaspeedselector,setitto

theslow(turtleposition),thenstarttheengine.

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.

1.Lowerthetrenchertotheground,stoptheengine,

anddisconnectthehydrauliclinesfromthetrencher.

WARNING

Hydraulicuidescapingunderpressurecan

penetrateskinandcauseinjury.Fluidinjected

intotheskinmustbesurgicallyremovedwithin

afewhoursbyadoctorfamiliarwiththisform

ofinjuryorgangrenemayresult.

•Keepyourbodyandhandsawayfrompin

holeleaksornozzlesthatejecthighpressure

hydraulicuid.

•Usecardboardorpapertondhydraulic

leaks,neveruseyourhands.

2.Removethe6boltssecuringthetrencherheadto

theframe(Figure7).

G008937

Figure7

1.Trencherhead(simplied

forillustrativepurposes)

3.Sidehoseguide

2.Safetybar

3.Movetheframetotheleft,aligningtheholesinthe

rightsideoftheframewiththoseinthehead.

4.Attachtheheadtotheframewiththe6bolts

removedpreviously(

Figure7).

5.Torquetheboltsto190to230ft-lb(257to311

N-m).

6.Removethe3bolts,washers,andangenutsfrom

thesafetybarandremovethebar(

Figure7).

7.Removethe2shortbolts,washers,andangenuts

securingtherightsideoftheupperframeand

movethemtothecorrespondingholesontheleft

(Figure7).

8.Installthesafetybaroverthetrencherchainusing

the3bolts,washers,andangenutsremoved

previously(Figure7).

9.Torqueall5boltsandnutsto190to230ft-lb(257

to311N-m).

10.Movethehosesfromthehoseguideontopofthe

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.

Maintenance

RecommendedMaintenanceSchedule(s)

MaintenanceService

Interval

MaintenanceProcedure

Beforeeachuseordaily

•Greasethetrencher.

•Inspectthediggingteethandchainforexcessivewear.

Every25hours

•Checkthegearlubelevel.

•Adjustthediggingchaintension.

•Inspecttheboomforwear.

Every200hours

•Changethegearlube.

Beforestorage

•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.

G008938

Figure8

G008939

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).

G008940

Figure10

1.Bearingcasellholeplug

4.Removetheplugfromthebearingcasellhole

(Figure10).

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).

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(

Figure3).

2.Loosenthejamnutsecuringtheadjustmentbolt

(

Figure3).

3.Turntheadjustmentboltinoroutasneededto

achievethedesiredtension.

4.Tightenthejamnut.

5.Torquethe2boltsandnutssecuringtheboomto

135to165ft-lb(183to223N-m).

FlippingaWornBoom

ServiceInterval:Every25hours

Inspectthebottomoftheboomforwear,ifitisworn,

completethefollowing:

Note:Ifyouhavealreadyippedtheboomonce,

replacetheboomwhenbothsidesareworn.

1.Removethe2boltsandnutssecuringtheboomto

thetrencherarm(Figure3).

2.Loosenthejamnutontheadjustingboltinthe

boom(

Figure3).

3.Loosentheadjustingboltuntilyoucanremovethe

chainfromtheboom(Figure3).

4.Removethechainfromthedrivesprocket.

5.Removetheboom,ipitoversothebottom

becomesthetop(orifyouhavealreadyippedit

once,replaceit),andinstalltheboomagain.

6.Replacethenuts,bolts,andwasherssecuringthe

boom.

7.Installthechainoverthedrivesprocketandfront

roller.

8.AdjustthechaintensionasdescribedinAdjusting

theDiggingChainTension.

ReplacingtheDiggingTeeth

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).

G008941

123

Figure11

1.Spoilsauger

3.Bolts

2.Drivesprocket

4.Loosenthe2boltsandnutssecuringtheboomto

thetrencherarm(Fig.2).

5.Loosenthejamnutontheadjustingboltinthe

boom(Fig.2).

6.Loosentheadjustingboltuntilyoucanremovethe

chainfromtheboom(Fig.2).

7.Removethechainfromthedrivesprocket.

8.Removethe6boltssecuringthedrivesprocket(Fig.

8).

9.Removeanddiscardthedrivesprocket(Fig.8).

10.Cleanthesprocketmountingsurfaceonthetrencher.

11.Slidethenewsprocketontotheshaftasillustrated

inFigure8.

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.

17.Threadthejamnutdowntheadjustingboltand

tightenitsecurelyagainsttheboom.

18.Torquethe2boltsandnutssecuringtheboomto

135to165ft-lb(183to223N-m).

19.Installthespoilsauger;refertoInstallingtheSpoils

Auger.

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.

Troubleshooting

Problem

PossibleCauseCorrectiveAction

1.Ahydrauliccouplerisnotcompletely

connected.

1.Checkandtightenallcouplers.

2.Ahydrauliccouplerisdamaged.

2.Check/replacecouplers

3.Thereisanobstructioninahydraulic

hose

3.Findandremovetheobstruction.

4.Anauxiliaryvalveonthetractionunit

isnotopening.

4.Repairthevalve.

5.Theboomendbearingfailed.

5.Replacethebearing.

6.Thediggingchainistootight.6.Adjustthediggingchain.

7.Thereissandbuildupintoothrootof

thedrivesprocket.

7.Raisethetrencherandrunthechain

backwards,thenreducethechain

tension.

Thechaindoesnotturn.

8.Hydraulicmotororchaindrivefailure8.ContactyourAuthorizedService

Dealer.

1.Wornteeth1.Replaceanywornteeth.

2.Wrongsettingonowdividerand

speedlever(applicablewheeledunits

only)

2.Settheowdividertothe10:00

positionandthespeedlevertothe

turtleposition.

3.Thereisarestrictioninaquickcoupler

orhose.

3.Checkthehosesandcouplersand

repairanyproblemsfound.

4.Thehydraulicsystemistoohot.

4.Shutdownandallowthesystemtocool.

Thetrencherdoesnotdigfastenough.

5.Thereliefvalveissetbelow

specications.

5.ContactyourAuthorizedService

Dealer.

1.Theauxiliaryvalveleverisinthewrong

position.

1.Movetheauxiliaryvalvelevertothe

rearwardposition.

Thechainturnsinthewrongdirection

2.Thehydraulichosesarereversed.2.Disconnecthosesandswitchpositions.

1.Thellplugisleaking.1.Lookformoisturearoundthellplug.

Ifpresent,changetheoil,andreplace

theplugandtheplugo-ring.

2.O-ringfailureonthemotor.2.ContactyourAuthorizedService

Dealer.

Thebearingcaselubeiscontaminated.

3.Sealfailure.3.ContactyourAuthorizedService

Dealer.

ToroCompactUtilityEquipmentWarranty

AOne-YearLimitedWarranty

CUEProducts

ConditionsandProductsCovered

TheT oro®Companyanditsafliate,ToroWarrantyCompany,pursuant

toanagreementbetweenthem,jointlywarrantyourToroCompactUtility

Equipment(“Product”)tobefreefromdefectsinmaterialsorworkmanship.

Thefollowingtimeperiodsapplyfromthedateofpurchase:

ProductsWarrantyPeriod

Loaders,TrenchersandAttachments1yearor1000operating

hours,whicheveroccursrst

KohlerEngines3years

AllotherEngines2years

Whereawarrantableconditionexists,wewillrepairtheProductatnocost

toyouincludingdiagnosis,labor,andparts.

InstructionsforObtainingWarrantyService

IfyouthinkthatyourToroProductcontainsadefectinmaterialsor

workmanship,followthisprocedure:

1.ContactanyAuthorizedT oroCompactUtilityEquipment(CUE)

ServiceDealertoarrangeserviceattheirdealership.Tolocatea

dealerconvenienttoyou,accessourwebsiteatwww.T oro.com.

YoumayalsocallourToroCustomerCareDepartmenttollfree

at888-865-5676(U.S.customers)or888-865-5691(Canadian

customers).

2.Bringtheproductandyourproofofpurchase(salesreceipt)tothe

ServiceDealer.

3.IfforanyreasonyouaredissatisedwiththeServiceDealer’s

analysisorwiththeassistanceprovided,contactusat:

LCBCustomerCareDepartment

ToroWarrantyCompany

8111LyndaleAvenueSouth

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

CustomerswhohavepurchasedToroproductsexportedfromtheUnitedStatesorCanadashouldcontacttheirT oroDistributor(Dealer)toobtain

guaranteepoliciesforyourcountry,province,orstate.IfforanyreasonyouaredissatisedwithyourDistributor’sserviceorhavedifcultyobtaining

guaranteeinformation,contacttheT oroimporter.Ifallotherremediesfail,youmaycontactusatT oroWarrantyCompany.

374-0261RevA

Toro High Speed Trencher Head, High TorqueTrencher Head, High-Speed Trencher Head, Compact Utility Loaders, High-Torque Trencher Head, Compact Utility Loaders User manual

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