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  3. Direct Drive Trencher, RT600 Traction Unit

Toro Direct Drive Trencher, RT600 Traction Unit User manual

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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
©2016—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
2
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.
3
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.
4
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)
5
InstallingtheAuger
4x4x4x
(5/8x2
inches)
(5/8inch)
InstallingtheRestraint-BarBrackets
1x1x8x8x8x8x
(M12)
(M12x4-1/4
inches)
(5/8inch)
(5/8x2
inches)
6
InstallingtheHydraulicHoses
2x
42cm(16-1/2inches)
1x
97cm(38inches)
1x
88cm(34-1/2inches)
7
1x
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)
8
InstallingtheBoomPlates
2x2x
Longboomplates
Shortboomplates
4x2x2x2x2x
(5/8x4-1/2
inches)
(M12)(M12)
ThickbarclampThinbarclamp
Placethreadlockingadhesiveon4bolts(5/8x4-1/2inches)andinstallthemasshown.
9
InstallingtheWearPadChannel
10x(shortboom)14x(longboom)
1x
(M10)
Applythread-lockingadhesivetothebolts(M10)andsecurethewear-padchannelontotheboom.
Shortboomshown
10
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.
11
InstallingtheWearPadsandRestraintBar
1x
1x
5x(shortboom)6x(longboom)
Wearpad(shortand
longshown)
(M10)
Applythread-lockingadhesivetothebolts(M10)andsecurethewearpadontotheboomassembly.
Shortboomshown
TorquingtheHardware
Bolts(M10)Bolts(M12)
InstallingtheDiggingChain
RefertoInstallingtheDiggingChain(page24).
12
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.
1
G02191 1
Figure22
1.Cuppedteeth
•Rockandfrostteeth(Figure23)orsharkteeth(Figure
24)arebestforcuttinggroundthatisveryhard,rocky,or
frozen;itisalsousedforcuttingthroughasphalt.
13
G021912
1
Figure23
1.Sharktooth
1
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
X
SandyLoam
X
LooseShale
XX
TopsoilX
Caliche(Hard)
XXXXX
Clay(Gumbo)
XX
Coral
XXXX
Rock(Loose)
XXXX
AsphaltXXXX
HardClay
XXXXX
FrozenSoil
XXXXX
Note:Youneedarockwheeltocutsolidrockorconcrete.
14
UsingtheTrencher
CheckingtheTooth-mountingBolts
ServiceInterval:Beforeeachuseordaily
Checkthemountingboltsofallthechainteeth(Figure25),
andtightentheboltsasneeded.
g021914
1
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).
15
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.
16
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.
17
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.
18
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).
19
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).
20
/