Toro Direct Drive Trencher, RT600 Traction Unit User manual

Brand: Toro

Model: Direct Drive Trencher, RT600 Traction Unit

Type: User manual

FormNo.3407-349RevA

DirectDriveTrencher

RT600TractionUnit

ModelNo.25200—SerialNo.316000001andUp

ModelNo.25200E—SerialNo.316000001andUp

Registeratwww.Toro.com.

OriginalInstructions(EN)

*3407-349*A

WARNING

CALIFORNIA

Proposition65Warning

Thisproductcontainsachemicalorchemicals

knowntotheStateofCaliforniatocausecancer,

birthdefects,orreproductiveharm.

Introduction

Thisattachmentisdesignedtodigtrenchesinsoiltobury

cablingandpipingforvariousapplications.Itisnotintended

tocutrock,wood,oranyothermaterialotherthansoil.

Readthisinformationcarefullytolearnhowtooperateand

maintainyourproductproperlyandtoavoidinjuryand

productdamage.Youareresponsibleforoperatingthe

productproperlyandsafely.

YoumaycontactTorodirectlyatwww .Toro.comforproduct

andaccessoryinformation,helpndingadealer,ortoregister

yourproduct.

Wheneveryouneedservice,genuineToroparts,oradditional

information,contactanAuthorizedToroServiceDealer

orToroCustomerServiceandhavethemodelandserial

numbersofyourproductready.Figure1illustratesthe

locationofthemodelandserialnumbersontheproduct.

Writethenumbersinthespaceprovided.

Figure1

1.Locationofthemodelandserialnumberplate

ModelNo.

SerialNo.

Thismanualidentiespotentialhazardsandhassafety

messagesidentiedbythesafety-alertsymbol(Figure2),

whichsignalsahazardthatmaycauseseriousinjuryordeath

ifyoudonotfollowtherecommendedprecautions.

Figure2

1.Safety-alertsymbol

Thismanualuses2wordstohighlightinformation.

Importantcallsattentiontospecialmechanicalinformation

andNoteemphasizesgeneralinformationworthyofspecial

attention.

Contents

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

SafetyandInstructionalDecals.................................4

....................................................................................5

PreparingtheMachine.............................................5

InstallingtheTrencherAttachment............................5

InstallingtheAuger.................................................6

InstallingtheRestraint-BarBrackets...........................6

InstallingtheHydraulicHoses...................................7

InstallingtheBoom.................................................8

InstallingtheDiggingChain.....................................12

Operation....................................................................13

SelectingtheProperComponentsforthe

Trencher............................................................13

UsingtheTrencher.................................................15

OperatingTips......................................................17

Maintenance.................................................................18

GreasingtheTrencher.............................................18

ServicingtheTrencherDiggingChain.......................18

ReplacingtheDiggingChain....................................23

Storage........................................................................25

Troubleshooting...........................................................26

8111LyndaleAvenueSouth

Bloomington,MN55420

Contactusatwww.Toro.com.

PrintedintheUSA

AllRightsReserved

Safety

Improperlyusingormaintainingthetrenchercan

resultininjury.Toreducethepotentialforinjury,

complywiththesesafetyinstructionsandthoseinthe

machine

Operator’ s Man ual

.Alwayspayattentiontothe

safetyalertsymbol,whichmeansCaution,Warning,or

Danger—personalsafetyinstruction.Failuretocomply

withtheinstructionmayresultinpersonalinjuryor

death.

DANGER

Theremaybeburiedpower,gas,and/ortelephone

linesintheworkarea.Anelectricshockoran

explosionmayoccurifyoudigintoautilityline.

Havethepropertyorworkareamarkedforburied

linesanddonotdiginmarkedareas.Contactyour

localmarkingserviceorutilitycompanytohavethe

propertymarked(forexample,intheUnitedStates,

call811forthenationwidemarkingservice).

DANGER

Themovingteethandaugerwillcutorseveryour

hands,feet,orotherbodyparts.

•Keephands,feet,andanyotherpartofyour

bodyorclothingawayfrommovingteeth,auger,

orotherparts.

•Beforeadjusting,cleaning,repairing,or

inspectingthetrencher,lowerthetrenchertothe

ground,shutofftheengine,waitforallmoving

partstostop,andremovethekey.

WARNING

Whentheengineisoff,anattachmentintheraised

positioncangraduallylower.Someonebelow

theattachmentmaybepinnedorinjuredbythe

attachmentasitlowers.

Alwayslowertheattachmenteachtimeyoushut

offthemachine.

WARNING

Whengoingupordownhill,themachinecould

overturniftheheavyendistowardthedownhill

side.Someonemaybepinnedorseriouslyinjured

bythemachineifitoverturns.

Operatethemachineupanddownslopeswith

theheavyendofthemachineuphill.Anattached

trenchermakesthebackendofthemachineheavy.

WARNING

Lightningcancausesevereinjuryordeath.

Iflightningisseenorthunderisheardinthearea,

donotoperatethemachine;seekshelter.

CAUTION

Hydraulicuidescapingunderpressurecan

penetrateskinandcauseinjury.Fluidinjectedinto

theskinmustbesurgicallyremovedwithinafew

hoursbyadoctorfamiliarwiththisformofinjury;

otherwise,gangrenemayresult.

•Keepyourbodyandhandsawayfrompin-hole

leaksornozzlesthatejecthigh-pressure

hydraulicuid.

•Usecardboardorpapertondhydraulicleaks;

neveruseyourhands.

CAUTION

Hydraulicttings,hydrauliclines/valves,and

hydraulicuidmaybehotandcanburnyouifyou

touchthem.

•Weargloveswhenmaintaininghydraulic

components.

•Allowthetractionunitandtrenchertocool

beforetouchinghydrauliccomponents.

•Donottouchhydraulicuidspills.

SafetyandInstructionalDecals

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaofpotential

danger.Replaceanydecalthatisdamagedorlost.

Figure3

1.Decal125-66702.Decal125-6671

125–6670

1.Cutting/dismembermenthazard,trencher—keep

bystandersawayfromthetrencher;keepawayfrommoving

parts;keepallguardsandsafetiesinplace.

125-6671

1.Explosionhazard;electricshockhazard—calllocalutilities

beforedigging.

PreparingtheMachine

Important:Ensurethattheliftingequipmenthasa

liftingcapacityofatleast405kg(893lb).

1.Parkthemachineonalevelsurface.

2.Settheparkingbrake.

3.TurnthekeytotheOFFposition.

4.Removethekey.

5.Disconnectthebattery.

InstallingtheTrencherAttachment

Raisetheattachmentofftheoor.

Important:Ensurethattheliftingequipmenthasaliftingcapacityofatleast405kg(893lb).

1x2x4x11x6x

(3/4x2-1/4

inches)

(3/4x2-1/2

inches)(3/4inch)

InstallingtheAuger

4x4x4x

(5/8x2

inches)

(5/8inch)

InstallingtheRestraint-BarBrackets

1x1x8x8x8x8x

(M12)

(M12x4-1/4

inches)

(5/8inch)

(5/8x2

inches)

InstallingtheHydraulicHoses

42cm(16-1/2inches)

97cm(38inches)

88cm(34-1/2inches)

75cm(29-1/2inches)

Testingthehoses

1.Startthemachine;refertothetractionunitOperator’s

Manual.

2.Operatethetrencher-chaindirectioncontrolandthe

attachmentcontrol(locatedontherightsideofthe

operatorseat)inbothdirectionsseveraltimestobleed

theairfromthehydraulicmotorandthehydrauliclift

cylinder.

Note:Thetrencher-chaindirectioncontrolrotatesthe

hubforwardandrearward,andtheattachmentcontrol

raisesandlowerstheboom-mounttting.Have

anotherpersonobservethehubandtheboom-mount

ttingastheymove.Moveeachofthecontrolsinboth

directionsuntilthehubandtheboom-mounttting

movesmoothlyinbothdirections.

InstallingtheBoom

AssemblingandInstallingtheBoom-EndCylinder

1x1x1x1x1x1x

O-ring

Washer

(3/16x1-3/4

inches)

InstallingtheBoomPlates

2x2x

Longboomplates

Shortboomplates

4x2x2x2x2x

(5/8x4-1/2

inches)

(M12)(M12)

ThickbarclampThinbarclamp

Placethreadlockingadhesiveon4bolts(5/8x4-1/2inches)andinstallthemasshown.

InstallingtheWearPadChannel

10x(shortboom)14x(longboom)

(M10)

Applythread-lockingadhesivetothebolts(M10)andsecurethewear-padchannelontotheboom.

Shortboomshown

InstallingtheBoom-RollerAssembly

1x2x1x1x1x1x

(3/4x1-1/2

inches)

1.Addgreasetothewashersandensurethatthewashersareushwiththerollersurfacewheninstalling.

2.Installtheboompinthroughtheboom-rollerassemblybeingcarefultocentertheconespacersbeforeslidingthe

pinthrough.

3.Applythread-lockingadhesivetotheboltandtorqueto230to258N∙m(170to190ft-lb).

4.Aftertheassemblyisinstalled,applygreasetotheboomendrollerslowlywhilerotatingtherolleruntilthegrease

ispurgedfromtheroller.

InstallingtheShieldExtension(LongBoomOnly)

1x8x

(M10)

Applythread-lockingadhesivetothebolts(M10)andsecuretheshieldextensionontotheboomassembly.

InstallingtheWearPadsandRestraintBar

5x(shortboom)6x(longboom)

Wearpad(shortand

longshown)

(M10)

Applythread-lockingadhesivetothebolts(M10)andsecurethewearpadontotheboomassembly.

Shortboomshown

TorquingtheHardware

Bolts(M10)Bolts(M12)

InstallingtheDiggingChain

RefertoInstallingtheDiggingChain(page24).

Operation

SelectingtheProper

ComponentsfortheTrencher

Usingthecorrecttrenchercomponentshelpstoincrease

thetrenchingspeedandextendingthelifeofthetrencher.

ContactanAuthorizedToroServiceDealerformore

informationonpartsforyourtrencher.

SelectingtheProperChain

Itisimportanttohavethecorrectchainforthejob.The

soilconditionswilldeterminethetypeofchainthathasthe

strengthandtensionthatyouneed.Achainthatistoolight

wearsfastorbreaks;achainthatistooheavyincreasesthe

loadonthemachineandreducesthetrencherdiggingspeed;

however,aheavychainhasalongerwearlifethanalighter

chain.

Youcancongurethetrencherwithananti-backexdigging

chainthatisdesignedforharddiggingconditionsorawelded

H-platechainforextremeconditions.Thesideplatesofthe

anti-backexdiggingchainareclosetogether.Asthechain

leavesthesprocket,eachlinkcomestogetherandformsa

soliddiggingchannel.Thisactionkeepseachtoothatthe

correctdiggingangle.TheweldedH-platechainisfordigging

inthemostextremeconditions.

Important:Maintainthecorrectchaintension.Ifthe

chainistootightortooloose,thediggingefciency

decreasesandthepartswearmorequickly.Referto

CheckingtheChainTension(page18).

Note:Trencherchainsareratedbytheirtensilestrength;for

example,a34019kg(75,000lb)chaintakesaminimumof34

019kg(75,000lb)ofpulltobreakthechain.

Selectthechaintype;chooseeitheraanti-backexchainora

weldedH-platechain(Figure20andFigure21).

Figure20

1.Anti-backexchain

Figure21

1.H-platechain

SelectingtheProperDiggingTeeth

Themostimportantcomponentofthetrencherarethe

diggingteeth;thetypeofteeththatyouselectandthe

arrangementofteeththatyouusegreatlyaffectsthedigging

efciencyandtoothwear.

•Choosetheteethtype:

–cuppedteeth

–rock/frostbit

–sharkteeth

–cuppedteethandrock/frostbitcombination

–cuppedandsharkteethcombination

•Choosethetootharrangementwidth:

–152mm(6inch)

–203mm(8inch)

TypesofDiggingTeeth

Thetypesofdiggingteethareasfollows:

•Cuppedteeth(Figure22)arethebestforcutting

throughlighttomediumsoil.Thecuppeddesignofthe

toothcutsthroughthesoilandthenmovesitupandout

ofthetrench.

G02191 1

Figure22

1.Cuppedteeth

•Rockandfrostteeth(Figure23)orsharkteeth(Figure

24)arebestforcuttinggroundthatisveryhard,rocky,or

frozen;itisalsousedforcuttingthroughasphalt.

G021912

Figure23

1.Sharktooth

G021972

Figure24

1.Rockandfrosttooth

ArrangementsoftheDiggingTeeth

Thearrangementofdiggingteethinvolvesbothwhereand

howeachtoothisattachedtothediggingchain.Usethe

followingguidelineswhenyouselectthearrangementsof

teeth:

•Installteeththatarethesamewidthandarespaced

equallyaroundthechain.

•Usefewerteethonthechainwhenyouareoperatingthe

trencherinwetclayorgumbo.

•Usemoreteethonthechainwhenyouareoperatingthe

trencherinsandyloamorrockyground.

Note:Youcanusedifferenttypesandcombinationsofteeth

toincreaseproductivityinvariousdiggingconditions.The

rockandfrostteethorthesharkteethpenetratethesoilwell,

andthecuppedteethhelptoremovethesoil.Tryseveral

combinationstodeterminetheonebestsuitedforyoursite.

CombinationsofBoom,Chain,andTeethforVariousSoilTypesandConditions

SoilTypeChainType

DiggingTeethType

HeavyDuty

Anti-backex

H-Plate

CupCutterRock/Frost

MiningBit

Shark

Mixed

Sand

SandyLoam

LooseShale

TopsoilX

Caliche(Hard)

XXXXX

Clay(Gumbo)

Coral

XXXX

Rock(Loose)

XXXX

AsphaltXXXX

HardClay

XXXXX

FrozenSoil

XXXXX

Note:Youneedarockwheeltocutsolidrockorconcrete.

UsingtheTrencher

CheckingtheTooth-mountingBolts

ServiceInterval:Beforeeachuseordaily

Checkthemountingboltsofallthechainteeth(Figure25),

andtightentheboltsasneeded.

g021914

Figure25

1.Mountingbolts

PositioningtheSeatforTrenching

Fastentheseatbeltandrotatetheseattothetrenching

position.

Note:Youmustbeseatedintheoperator’sseatbefore

movingthemachine;otherwise,theenginestopsin1second.

UsingtheTrencherControls

•Movetherearattachmentspeedcontrolleverforwardto

actuatethediggingchainintheforwarddirection.

•Movetheleverfurtherforwardtoincreasethechain

speed.

•Movetheleverfurtherrearwardtodecreasethechain

speed.

MovethecontroltotheNEUTRALposition(A)tostop

thechain;movethecontrolleverrearward(B)toreverse

thechaindirection.

•Tolowerthetrencherboomtothedesireddepth,push

theattachmentcontrolleverawayfromyou;toraise

thetrencherboom,pullthecontrollevertowardyou.

Whenyoureleasethecontrollever,itwillreturntothe

NEUTRALpositionautomatically.

PositioningtheBoomforTrenching

Forthebesttrenchingperformanceandthesmoothest

machineoperation,theboommustbeinthefulldown

trenchingposition(Figure26).Havingtheboominthis

positionpullsthemachinedownforbettertraction.The

grounddrivesimplypullsthetrencherteethintothefaceof

thetrench.

g021973

Figure26

Whenyouraisetheboomfromthefulldownposition,the

trenchingloadpullsthemachinerearward.Thispulling

reducesthetractionandmaycausethemachinetobounce

andpullwhenthechaincontactsrootsorrocks.Therearward

pullofthetrenchingoperationalsoworksagainsttheground

drive,causingtheenginetoworkharder.

StartingaTrench

Important:Knowthelocationofallunderground

utilitiesbeforeoperatingthemachineontheworksite.

1.Ensurethatallpersonsareawayfromthemachine

beforeyoustarttheengineandwhileyouaretrenching.

2.Starttheengine;refertothetractionunitOperator’s

Manual.

3.Runtheengineat1/4throttleuntiltheenginereaches

theoperatingtemperature.

4.Movethecrumber(ifequipped)totheTransport

position(Figure27).

Figure27

1.Crumberbar(optional)

5.Whentheenginehasreachedtheoperating

temperature,movethemachinetotheworkareaand

positionthemachinetocutthetrench.

Note:Ensurethattheendofthetrencherboomis

severalfeetbeyondthestartingpointofthetrench.

6.Alignthemachinetothecenterlineofthenewtrench.

7.AdjusttheenginespeedtotheFullthrottleposition,

andlowertheboomtojustabovetheground.

8.Startthediggingchainbymovingtherearattachment

controllevertowardthefrontofthemachine.

Note:Youmustbeseatedintheoperatorseatbefore

movingthemachine;otherwise,theenginestopsin

1second.

Note:Thecrumber(ifequipped)automaticallymoves

fromtheTRANSPORTpositionintotheOPERATING

positionwhenthetrencherattachmentreachesthe

maximumdigdepth.

9.Movetheutility-tractionleverforwarduntilthe

machinestartstomoveforward.

10.Lowertheboomintotheground.

11.Whenthediggingchainisloweredtothedesireddepth,

movetheutility-tractionleverforwarduntiltheengine

speeddecreasesabout10%(200to300rpm).

Note:Rememberthatspeedonthetachometer.

12.Decreasethediggingchainspeedandlookatthe

tachometer.

Note:Iftheenginespeedincreases,pushthe

utility-tractionleverforwarduntiltheenginespeedis

thesamethatinstep11.Repeatthissteptoobtain

thebesttrenchingspeed.

Note:Somehardsoilconditionsallowyoutodiga

trenchfasterbyreducingthechainspeed.

WARNING

Operatingatrencherattachmentwithouta

restraintbaroracrumbercouldresultinserver

personalinjuryordeathifthechainbreaks.

Donotoperateatrencherattachmentwithout

arestraintbar.

Note:Thetrencheroperatesbestwhentheengineis

atfullthrottle.Adjustthegroundspeedtokeepfrom

luggingtheengine.

Important:Allsteeringshouldbegradual.Donot

makesharpturnswiththeboomintheground.

Markingsharpturnswhilediggingwiththe

trencherwilldamagethetrencher.

Note:Checkthechaintensionwhenyouarestarting

anewtrenchineachlocation;refertoCheckingthe

ChainTension(page18).

CuttingaCurvedTrench

Important:Donotmakesharpturnswiththeboomin

theground.Markingsharpturnswhilediggingwiththe

trencherwilldamagethetrencher.

Youcanmakeagradualcurvebyusingtherear-wheelsteering

controlonlyasneededtoslightlyarticulatethemachine.Do

notmakesteeringcorrections,asthiswillswingtheboom

intothesideofthetrenchandundercutit.

StraighteningaCrookedTrench

Asthetrencherisdigging,itmayvaryslightlyfromastraight

line;thiscanoccurifyouarediggingtooquicklyforthesoil

conditions.Tostraightenthetrench,raisetheboom,reverse

thegroundtravelandmovethetrencherforwarduntilthe

diggingchainclearsthetrench.Correctthealignmentofthe

trenchertothetrenchandlowertheboom.

FinishingtheTrench

1.Whenyoucompletethetrench,stopthemachine.

2.Slowlyraisetheboomuntilitisoutofthetrenchabout

15cm(6inches).

3.Movetheattachmentgroundspeedcontrollevertothe

NEUTRAL(disengaged)positiontostopthedigging

chain.

4.PulltheattachmentliftleverbacktotheRAISEposition

untiltheboomisintheTRANSPORTposition.

5.MovethethrottletotheIDLEposition,shutoffthe

engine,andremovethekey.

OperatingTips

•Cleantheareaoftrash,branches,androcksbefore

trenchingtopreventdamagingtheequipment.

•Alwaysselecttheshortestboom,thelightestchain,and

thelightestteethtohandlethejob.Inharddigging

conditions,selectahightensile-strengthchain,arock

boom,andananti-backexchainwithrockandfrost

teeth.

•Alwaysbegintrenchingwiththeslowestgroundspeed

possible.Increasethetrenchingspeedifconditions

permit.Ifthechainspeedslowsdown,reducetheground

speedtokeepthechainmovingatitsfastestrate.Donot

spinthewheelswhiletrenching.

•Alwaysusefullthrottle(maximumenginespeed)when

trenching.

•Alwaystrenchwhilethemachineismovingintheforward

direction.

•Trenchwiththechainata45-to60-degreeanglefor

bestresults.

•Youcandigatrenchfasterbycontrollingthedepthand

adjustingtheboomperiodically.

•Ifthetrencherbindsinthesoil,reversethechain

direction.Oncethechainisloose,changechaindirections

andcontinuetrenching.

•Ifyouneedthenishedtrenchtobecleanerthanwhatis

possiblewiththetrencher,youcanpurchaseacrumber

fromanAuthorizedToroServiceDealer.Thecrumber,

whichmountsontotherestraintbar,scrapesthetrench

cleanasyoudig.

•Ifthediggingspeedofthetrencheristooslowortoo

fast,adjustit.

•Usethecorrectchainforthegroundconditions;referto

SelectingtheProperChain(page13).

•Toobtainmaximumdiggingefciencyfromthetrencher,

alwayskeepgoodsharpteethatthenecessaryspaces.As

teethbecomeworn,replacethemimmediately.

•Somegroundconditionsmayrequireafasterchainspeed.

Movethechainspeedcontrolfurtherforwardfromthe

NEUTRALposition.Youcanreducethelifeofthedigging

chainbyusingitathigherchainspeedsforanextended

time.

Maintenance

GreasingtheTrencher

ServiceInterval:Every50hours

1.Cleanthegreasettingswitharag.

2.Connectthegreaseguntothegreasettingforthe

bearingofthelowerliftcylinder,andapply3pumpsof

greasetothettings(Figure28,Figure29,andFigure

30).

3.Wipeupanyexcessgrease.

Figure28

Figure29

Figure30

ServicingtheTrencherDigging

Chain

CheckingtheChainTension

ServiceInterval:Aftertherst10hours

Beforeeachuseordaily

1.Starttheengine.

2.Makeatrenchabout3m(10ft)long.

3.Stopthetrencherchainandlifttheboomoutofthe

trench.

4.Movetheboomtothehorizontalposition(Figure31).

Figure31

1.Lowerwearstrip

3.Chain

2.51to76mm(2to3inch)

gap

5.Shutofftheengineandremovethekey.

6.Measurethedistancebetweenthechainandthebottom

ofthelowerwearstrip(Figure31).

•Ifthegapbetweenthelowerwearstripandthe

chainis51to76mm(2to3inch),thechaintension

iscorrect(Figure31).

•Ifthegapissmallerthat51mm(2inch),thechain

tensiontootight;refertoDecreasingtheChain

Tension(page19).

•Ifthegapislargerthat76mm(3inch),thechain

tensiontooloose;refertoIncreasingtheChain

Tension(page20).

Note:Thechaintensionhasasignicantaffecton

theproductivityofthemachine;setthechaintension

aslooseaspossible.

DecreasingtheChainTension

WARNING

Ifyouremovethegreasettingfromtheboom

beforeyoureleasethepressureinthesystem,

personalinjurymayresult.

Beforeremovingthegreasetting,loosen(butdo

notremove)theplugontheoppositesideofthe

boom.

1.Attheleftsideoftheboom,loosenthe4boltsthat

securethelockbarsandthesideplates(Figure32).

Figure32

1.Bolt

3.Sideplate

2.Lockbars

2.Locatethebleedplug(hex-socket)atthesideplateon

therightsideoftheboom(Figure33).

Figure33

1.Bleedplug

3.Slowlyrotatethebleedplugcounterclockwise2or3

revolutions,andallowthegreasetoowfromaround

theplug(Figure33).

Note:Thechaintensionwilldecreaseasthegap

betweenthechainandthewearstripincreases.

4.Whenyouachievea51to76mm(2to3inch)gap

betweenthechainandthewearstrip,tightentheplug

(Figure32andFigure33).

5.Torquethe4bolts(Figure32)thatsecurethelockbars

andthesideplatesto190to215N-m(140to159ft-lb).

6.PerformthestepsinCheckingtheChainTension(page

18).

IncreasingtheChainTension

WARNING

Ifyouremovethegreasettingfromtheboom

beforeyoureleasethepressureinthesystem,

personalinjurymayresult.

Beforeremovingthegreasetting,loosen(butdo

notremove)theplugontheoppositesideofthe

boom.

GreaseType:Lithium-basedgrease

1.Locatethecapforthegreasettingatthesideplateon

theleftsideoftheboom(Figure34).

Figure34

1.Bolt

4.Greasetting

2.Lockbar5.Dustcap

3.Sideplate

2.Cleantheareaaroundthedustcapwithacleaning

solvent(Figure34).

3.Useaneedle-noseplierstorotatethedustcap

counterclockwiseandremovethecapfromthegrease

tting(Figure34).

4.Loosentheboltsthatsecurethelockbarsandtheside

platesontheleftsideoftheboom(Figure32).

•4boltsfortheshortboom(Figure34)

•5boltsforthelargeboom(Figure35)

g0359 03

Figure35

5.Connectagreasegunwiththespeciedgreasetothe

greasetting.

6.Whileobservingthechaingap,pumpthegreasegun

untilthegapbetweenthewearstripandthechainis51

to76mm(2to3inches);refertoFigure31.

7.Removethegreasegunfromthettingandinstallthe

dustcap.

8.Torquethe4bolts(Figure32)thatsecurethelockbars

andthesideplatesto190to215N-m(140to159ft-lb).

9.PerformthestepsinCheckingtheChainTension(page

18).

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Toro Direct Drive Trencher, RT600 Traction Unit User manual

Toro Direct Drive Trencher, RT600 Traction Unit User manual

Toro Direct Drive Trencher, RT600 Traction Unit User manual

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