Toro 25431, 25431E Operator's Manual

FormNo.3389-753RevA

CenterlineTrencher

RT600TractionUnit

ModelNo.25431—SerialNo.313000001andUp
ModelNo.25431—SerialNo.314000001andUp
ModelNo.25431—SerialNo.315000001andUp
ModelNo.25431E—SerialNo.315000001andUp
ModelNo.25431E—SerialNo.313000001andUp

Registeratwww.T oro.com.
OriginalInstructions(EN)

*3389-753*A

WARNING

1

G023157

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,genuineT oroparts,oradditional
information,contactanAuthorizedToroServiceDealer
orToroCustomerServiceandhavethemodelandserial
numbersofyourproductready.Figure1illustratesthe
locationofthemodelandserialnumbersontheproduct.
Writethenumbersinthespaceprovided.

Figure1

1.Locationofthemodelandserialnumberplate

ModelNo.

SerialNo.

Thismanualidentiespotentialhazardsandhassafety
messagesidentiedbythesafetyalertsymbol(Figure2),
whichsignalsahazardthatmaycauseseriousinjuryordeath
ifyoudonotfollowtherecommendedprecautions.

Figure2

1.Safetyalertsymbol

Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanicalinformation
andNoteemphasizesgeneralinformationworthyofspecial
attention.

©2014—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420

Contactusatwww.Toro.com.

2

PrintedintheUSA

AllRightsReserved

Contents

Safety

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

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

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

1InstallingtheTrencherAttachment..........................7

2PreparingtheHydraulicMotor................................8

3InstallingtheHydraulicHoses...............................10

4InstallingtheSprocket..........................................12

5InstallingtheBoom..............................................12

6AligningtheBoom...............................................14

7InstallingtheDiggingChain..................................15

Operation....................................................................16

SelectingtheProperComponentsforthe

Trencher............................................................16

UsingtheTrencher.................................................18

OperatingTips......................................................20

Maintenance.................................................................21

GreasingtheTrencher(LeftSide).............................21

GreasingtheTrencher(RightSide)............................21

ServicingthePlanetaryDrive...................................22

ServicingtheTrencherDiggingChain.......................23

ReplacingtheDiggingChain....................................27

Storage........................................................................29

Troubleshooting...........................................................30

Improperlyusingormaintainingthetrenchercanresult
ininjury.Toreducethepotentialforinjury,comply
withthesesafetyinstructionsandthoseinthetraction

Operator’ s Man ual

unit
safetyalertsymbol,whichmeansCaution,Warning,or
Danger—personalsafetyinstruction.Failuretocomply
withtheinstructionmayresultinpersonalinjuryor
death.

.Alwayspayattentiontothe

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,lowerthetrencherto
theground,stoptheengine,waitforallmoving
partstostop,andremovethekey.

WARNING

Whentheengineisoff,anattachmentintheraised
positioncangraduallylower.Someonebelow
theattachmentmaybepinnedorinjuredbythe
attachmentasitlowers.

Alwayslowertheattachmenteachtimeyoushut
offthetractionunit.

WARNING

Whengoingupordownhill,themachinecould
overturniftheheavyendistowardthedownhill
side.Someonemaybepinnedorseriouslyinjured
bythemachineifitoverturns.

Operatethemachineupanddownslopeswith
theheavyendofthemachineuphill.Anattached
trencherwillmakethebackendofthemachine
heavy.

3

WARNING

CAUTION

Lightningcancausesevereinjuryordeath.

Iflightningisseenorthunderisheardinthearea,
donotoperatethemachine;seekshelter.

CAUTION

Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.Fluidinjectedinto
theskinmustbesurgicallyremovedwithinafew
hoursbyadoctorfamiliarwiththisformofinjury;
otherwise,gangrenemayresult.

•Keepyourbodyandhandsawayfrompin-hole
leaksornozzlesthatejecthigh-pressure
hydraulicuid.

•Usecardboardorpapertondhydraulicleaks;
neveruseyourhands.

SafetyandInstructionalDecals

Hydraulicttings,hydrauliclines/valves,and
hydraulicuidmaybehotandcanburnyouifyou
touchthem.

•Weargloveswhenmaintaininghydraulic
components.

•Allowthetractionunitandtrenchertocool
beforetouchinghydrauliccomponents.

•Donottouchhydraulicuidspills.

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaofpotential
danger.Replaceanydecalthatisdamagedorlost.

Figure3

1.Decal125-66703.Decal125-6671

2.Decal125-66934.Decal125-6694

4

125–6670

1.Cutting/dismembermenthazard,trencher—keep
bystandersawayfromthetrencher;keepawayfrommoving
parts;keepallguardsandsafetiesinplace.

125–6694

125-6671

1.Explosionhazard;electricshockhazard—calllocalutilities
beforedigging.

1.Tie-downpoint

125-6693

1.Trencheroil3.Lubricatetheaugerevery

10to50operatinghours.

2.Gear-boxoil4.ReadtheOperator’s

Manualformaintenance
information.

5

Setup

LooseParts

Usethechartbelowtoverifythatallpartshavebeenshipped.

ProcedureDescription

1

2

3

4

5

Trencherattachment1
Bolt(3/4x2-3/4inch)
Bolt(3/4x2-1/2inch)
Flatwasher11
Locknut8
Straightadaptertting(5/8inch)
Straightadaptertting(3/4inch)
Restrictortting
90°elbow(male/male)
Teetting
90°elbow(female/male)
Hose(34-1/2inch)
Hose(35-1/2inch)
Hose(40inch)
Bypasshose(16inch)
Hose(23inch)
Straightadaptertting(3/8inch)
Cabletie
Sprocketsegment
Bolt8
Locknut8
Boom1
Bolt(3/4x6-1/2inch)
Washer(3/4inch)
Nut(3/4inch)
Bolt(1x2inch)
Washer(1inch)

Qty.

Use

4
2

1
1
1
1
1
1
1
1
1
1
2
2
1
2

2
2
2
2
2

Installthetrencher.

Preparethehydraulicmotor.

Installthehydraulichoses.

Installthesprocket.

Installtheboom.

6
7

Shim

Diggingchain1Installthediggingchain.

6

3Aligntheboom.

1

2

3

InstallingtheTrencher Attachment

Partsneededforthisprocedure:

1Trencherattachment

4

Bolt(3/4x2-3/4inch)

2

Bolt(3/4x2-1/2inch)

11Flatwasher

8Locknut

Procedure

1.RaisetheattachmentofftheoorasshowninFigure4.

Important:Ensurethattheliftingequipmenthas
aliftingcapacityofatleast405kg(893lb).

Figure5

1.Row2mountingholes3.Row4mountingholes

2.Mountingplate

Figure4

2.Locatethe2rowsofholesinthemountingplatethat
youwillusetosecuretheattachmenttothetraction
unit(Figure5).

3.Insertalocknutintothenutretainerlocatedinside
thetrencherattheholeinrow2(Figure5)asshown
inFigure6.

Figure6

1.Locknut3.Washer

2.Nutretainer

4.Slipawasherontoabolt(3/4x2-1/2inch),and
partiallythreadtheboltintothenutthatyouinstalled
instep3;refertoFigure6.

4.Bolt(3/4x2-1/2inch)

7

5.Slipawasherontoeachof2bolts(3/4x2-1/4inch),

3

andinsertthemfrominsidethetrencher(Figure7)
throughtheremaining2holesinrow2.

9.Lowerthetrencherattachmentuntilitisalignedwith
themountingplateandtheboltstintheupperslots.

Note:Ensurethatthewashersontheboltsprojecting
throughthetrencherattachmentarealignedtothe
forwardsideofthemountingplateasyoulowerthe
trencherattachmentonthemachine;refertoFigure9.

Figure7

1.Bolt—3/4x2-1/4inch(2)

2.Washer5.Locknut

3.Hole

4.Washer

6.Slipawasherandpartiallythreadalocknutontothe
endofeachofthe2bolts.

7.Positionthetrenchersothatitisattherearofthe
tractionunit.

8.Aligntherowofboltsonthetrenchersothattheyare
abovetheupperslotsinthemountingplateonthe
tractionunit(Figure8).

Figure9

1.Trencher3.Boltsandlocknuts

2.Boltheadandwasher

4.Upperslot(3)

10.Handtightenalltheboltsandnuts.

11.Frominsidethetrencherattachment,installabolt(3/4
x2-1/2inch),2washers,andalocknutintheoutermost
leftholeinrow4(Figure8)asshowninFigure10.

Figure10

1.Locknut

2.Washer

3.Bolt(3/4x2-1/2inch)

4.Bolt(3/4x2-3/4inch)

5.Bolt(3/4x2-3/4inch)

Figure8

1.Upperslots3.Lowerslots

2.Mountingplate

12.Frominsidethetrencherattachment,install2bolts
(3/4x2–3/4inch),4washers,and2locknutsinthe
remainingholesinrow4asshowninFigure10.

13.Torquetheboltsandthelocknutsto583to624N-m
(400to460ft-lb).

8

2

PreparingtheHydraulicMotor

Partsneededforthisprocedure:

1

Straightadaptertting(5/8inch)

1

Straightadaptertting(3/4inch)

1

Restrictortting

1

90°elbow(male/male)

1

Teetting

1

90°elbow(female/male)

Procedure

1.Removeanddiscardtheplasticplugsfromtheportsof
thehydraulicmotorasshowninFigure11andFigure

12.

Figure12

1.Port(loweroutboard)4.Steelplug(removedfrom
PortB)—insertitintothe
loweroutboardport

2.Port(lowerinboard)5.Steelplug—removeand
discardit

3.Plasticplug—removeand

discardit

2.Removethesteelplug(withtheO-ring)fromPortB
(Figure11),andinstalltheplugintotheloweroutboard
portasshowninFigure12.

3.RemoveanddiscardthesteelplugfromPortC.

4.Removeanddiscardthesteelplug(andtheO-ring)
fromthelowerinboardport(Figure12).

5.Installthestraightadaptertting(5/8inch)intoPortC
(Figure13).

Figure11

1.Plasticplug

2.Steelplug5.Steelplug—removeand

3.PortC(upperinboard)

4.Port(upperoutboard)

saveit

6.PortB

9

10

3

InstallingtheHydraulicHoses

Partsneededforthisprocedure:

1

Hose(34-1/2inch)

1

Hose(35-1/2inch)

1

Hose(40inch)

1

Bypasshose(16inch)

2

Hose(23inch)

2

Straightadaptertting(3/8inch)

1

Cabletie

Figure13

1.PortC6.Teetting

2.Straightadaptertting(5/8
inch)

3.Straightadaptertting(3/4
inch)

4.Port(upperoutboard)9.Port(loweroutboard)

5.PortB

7.Restrictortting

8.90°elbow(female/male)

10.90°elbow(male/male)

6.Installthestraightadaptertting(3/4inch)intothe
upperoutboardport(Figure13).

7.LooselythreadtheteettingintoPortBofthe
hydraulicmotor(Figure13).

Note:AligntheteettingasshowninFigure13.

8.Installtherestrictorttingintotherearportofthetee
tting(Figure13).

Note:Ensurethattheelbowisalignedtowardtherear
andupward.

9.Installthe90°elbow(female/male)totherestrictor
tting(Figure13).

Procedure

1.Installthebypasshosebetweentheelbows(Figure14).

Note:Thebypasshoseshouldforma“U”shape.

10.Installthe90°elbow(male/male)ontothelower
outboardport(Figure13).

Note:Ensurethattheelbowisalignedtowardtherear
andupward.

11.Tightenallttingssecurely.

Figure14

1.Hose(34-1/2inch)4.Hose(35-1/2inch)

2.Hose(40inch)5.Bypasshose(16inch)

3.Teetting6.90°elbows

2.Removethe2caps(1-7/16inch)andthe1cap(5/8
inch)ontheleftsideofthehydraulicattachmentpanel
(Figure15).

10