Toro 25453, 25453E Operator's Manual

FormNo.3397-318RevA

CenterTrencher

RT1200TractionUnit

ModelNo.25453—SerialNo.314000001andUp
ModelNo.25453E—SerialNo.314000001andUp

Registeratwww.T oro.com.
OriginalInstructions(EN)

*3397-318*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.

Figure1

1.Locationofthemodelandserialnumberplate

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

ModelNo.

SerialNo.

Thismanualidentiespotentialhazardsandhassafety
messagesidentiedbythesafety-alertsymbol(Figure2),
whichsignalsahazardthatmaycauseseriousinjuryordeath
ifyoudonotfollowtherecommendedprecautions.

Figure2

1.Safety-alertsymbol

Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanicalinformation
andNoteemphasizesgeneralinformationworthyofspecial
attention.

©2015—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420

Contactusatwww.Toro.com.

2

PrintedintheUSA

AllRightsReserved

Contents

Safety

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

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

Setup............................................................................5

1PreparingtoInstalltheTrencher.............................6

2InstallingtheSpeed-ShiftSwitch.............................6

3InstallingtheTrencherAttachment..........................8

4PreparingtheHydraulicMotor...............................11

5ConnectingtheLiftCylinderHoses........................12

6InstallingtheHydraulicHoses...............................13

7ConnectingtheWireHarnesstotheHydraulic

Motor...............................................................14

8PurgingAirfromtheHydraulicMotorandLift

Cylinder.............................................................15

9InstallingtheSprocket..........................................15

10InstallingtheAuger............................................16

11InstallingtheBoom............................................18

12AligningtheBoom.............................................19

13InstallingtheDiggingChain.................................21

14InstallingtheRestraintBar...................................21

Operation....................................................................22

SelectingtheProperComponentsfortheRock

Boom................................................................22

UsingtheTrencher.................................................24

OperatingTips......................................................27

Maintenance.................................................................28

GreasingtheTrencher.............................................28

GreasingtheRockBoom.........................................28

ServicingthePlanetaryDrive...................................29

ServicingtheTrencherDiggingChain.......................30

ReplacingtheDiggingChain....................................34

Storage........................................................................37

Troubleshooting...........................................................38

Improperlyusingormaintainingthisattachmentcan
resultininjury.Toreducethepotentialforinjury,
complywiththesesafetyinstructionsandthoseinthe
tractionunit
thesafetyalertsymbol,whichmeansCaution,Warning,
orDanger—personalsafetyinstruction.Failureto
complywiththeinstructionmayresultinpersonalinjury
ordeath.

Operator’ s Man ual

.Alwayspayattentionto

WARNING

Whentheengineisoff,attachmentsintheraised
positioncangraduallylower.Someonebelow
theattachmentmaybepinnedorinjuredbythe
attachmentasitlowers.

Alwayslowertheattachmenteachtimeyoushut
offthetractionunit.

WARNING

Lightningcancausesevereinjuryordeath.

Iflightningisseenorthunderisheardinthearea,
donotoperatethemachine;seekshelter.

CAUTION

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

•Weargloveswhenmaintaininghydraulic
components.

•Allowthetractionunitandtrenchertocool
beforetouchinghydrauliccomponents.

•Donottouchhydraulicuidspills.

DANGER

Themovingteethandaugerwillcutorseveryour
hands,feet,orotherbodyparts.

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

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

3

SafetyandInstructionalDecals

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaofpotential
danger.Replaceanydecalthatisdamagedorlost.

125–6694

125-6693

1.Trencheroil3.Lubricatetheaugerevery
10to50operatinghours.

2.Gear-boxoil4.ReadtheOperator’s
Manualformaintenance
information.

125–6670

1.Cutting/dismembermenthazard,trencher—keep

bystandersawayfromthetrencher;keepawayfrommoving
parts;keepallguardsandsafetiesinplace.

1.Tie-downpoint

125-6671

1.Explosionhazard;electricshockhazard—calllocalutilities
beforedigging.

4

Setup

LooseParts

Usethechartbelowtoverifythatallpartshavebeenshipped.

ProcedureDescription

1
2

3

4

5

6

7

Nopartsrequired

Speed-shiftswitch

Trencherattachment1
Bolt(1x5-1/2inch)
Flatwasher(1inch)
Locknut(1inch)
45°elbowtting(3/4inch)
90°anged-elbowtting(1inch)
O-ring
Flangeclamp4
Hex-headbolt(12x45mm)
Lockwasher(12mm)

45°elbowtting(3/8inch)

Hose(34-1/2inch)
Hose(40-1/2inch)
Hose(47inch)
Cabletie

Cabletie

Qty.

Use

–

1

5
7
6
1
2
2

8
8

2

1
1
1
1

1

Preparetoinstallthetrencher.

Installthespeed-shiftswitch.

Installthetrencher.

Preparethehydraulicmotor.

Connecttheliftcylinderhoses.

Installthehydraulichoses.

Connectthewireharnesstothe
hydraulicmotor.

8

9

10

11

Nopartsrequired

Sprocketsegment
Bolt(9/16x2-3/4inch)
Locknut(9/16inch)
Leftauger
Rightauger1
Augershaft
Augersprocket1
Bearing2
Key(1/2x5inch)
Hex-headbolt(3/4x4inch)
Locknut(3/4inch)
Hex-headbolt(5/8x2-1/2inch)
Locknut(5/8inch)

Nopartsrequired

–

2
8
8
1

1

1
2
2
4
4

–

Purgeairfromthehydraulicmotorand
liftcylinder.

Installthesprocket.

Installtheauger.

Installtheboom.

5

ProcedureDescription

12

13

Boom1
Hex-headbolt(3/4x2-1/2inch)
Washer(3/4inch)
Locknut(3/4inch)
Hex-headbolt(1x2-1/2inch)
Washer(1inch)
Locknut(1inch)
Shim
Diggingchain1
Masterpin1
Safetypin

Qty.

Use

4
4
4
2
4
2
3

1

Installtheboom.

Installthediggingchain.

14

Restraintbar1Installtherestraintbar.

1

PreparingtoInstallthe Trencher

NoPartsRequired

Procedure

1.Movethemachinetoalevelsurfacethatisbelowthe
liftingequipment.

2.Ifthebackhoeisinstalledonthemachine,lowerthe
boomuntilthebucketisontheground.

3.Ensurethatthetiltfeatureofthemachineisleveland
thetilt-lockoutpinissecuretothechassis-lockout
bracket;refertotheOperator’sManualforthemachine.

2

InstallingtheSpeed-Shift Switch

Partsneededforthisprocedure:

1

Speed-shiftswitch

ConnectingtheSpeed-ShiftSwitch

1.Removethe6hex-angedbolts(12x30mm)that
securetherear-coverplatetotherearbulkheadofthe
machine,andremovethecoverplate(Figure3).

4.Shutoffthemachine,settheparkingbrake,and
removethekeyfromthekeyswitch.

Figure3

1.Bulkhead

2.Rear-coverplate

2.Removetheleftmostblankingplatefromthe
auxiliary-controlpanel(Figure4).

6

3.Hex-angedbolt(12x30
mm)

Figure4

1.Switchopening
(auxiliary-controlpanel)

2.Blankingplate

3.10-socketconnector

4.Left

3.Pullthe10-socketconnectoratthefarthestleftof
thewiringharnessofthemachinethroughtheswitch
openingwheretheblankingplugwaslocated(Figure5).

5.Alignthelargenotchinthebodyofthespeed-shift
switchsothatthenotchistowardthefrontofthe
machine,andsnaptheswitchintotheauxiliary-control
panel(Figure5).

RoutingtheSpeed-SwitchHarness

1.Locatetheharnesswiththe2-socketconnectorfor
thespeed-shiftsolenoidonthehydraulicmotorinthe
lowerleftcornerofthebulkheadinterior(Figure6).

Figure5

1.Speed-shiftswitch4.Largenotch(speed-switch

2.10-socketconnector

3.Switchopening
(auxiliary-controlpanel)

5.Leftsideofthemachine

6.Frontofthemachine

Figure6

1.Harness(speed-shift
solenoid)

2.Rear-coverplate

3.Hex-angedbolts(12x30
mm)

2.Removethecabletiethatsecuresthespeed-shiftwiring
leadtotheharnessofthemachine.

3.Routetheharnessrearward,betweentheleftrear
fenderandtherear-coverplateasshowninFigure6.

4.Aligntherear-coverplatetotherearbulkheadofthe
machine(Figure3).

5.Securethecoverplatetothebulkheadwiththe6
hex-angedbolts(12x30mm)thatyouremovedin
step1.

body)

4.Connectthe10-socketconnectorofthewiringharness
tothe10-pinconnectorofthespeed-shiftswitch
(Figure5).

7

3

InstallingtheTrencher Attachment

Partsneededforthisprocedure:

1Trencherattachment

5

Bolt(1x5-1/2inch)

7

Flatwasher(1inch)

6

Locknut(1inch)

Procedure

1.RaisetheattachmentofftheoorasshowninFigure7.

Important:Ensurethattheliftingequipmenthas
aliftingcapacityofatleast405kg(893lb).

Figure8

1.Mountingplate

2.Holes(rows1and3for
machineswithatrack
drive)

Note:Ifyourmachinehasatrackdrive,usetheholes
inrows1and3;refertoitem2inFigure8.

Ifyourmachinehaswheels,usetheholesinrows2
and4;refertoitem3inFigure8.

3.Insertalocknutintothenutretainerlocatedinsidethe
trencherattheholeinrow1(machineswithatrack
drive)orrow2(machineswithwheels)asshownin

Figure9.

3.Holes(rows2and4for
machineswithwheels)

Figure7

2.Locatethe2rowsofholesinthemountingplatethat
youwillusetosecuretheattachmenttothetraction
unit(Figure8).

8

1.Locknut(1inch)

2.Upper-nutretainer
(machineswithatrack
drive)

3.Lower-nutretainer
(machineswithwheels)

Figure9

4.Washer

5.Bolt(1x5-1/2inch)

Figure10

1.Locknut(1inch)4.Hole(row2formachines

2.Washer5.Washer

3.Hole(row1formachines
withatrackdrive)

withwheels)

6.Bolt(1x5-1/2inch)

4.Slipawasherontoabolt(1x5-1/2inch)andpartially
threadtheboltintothenutthatyouinstalledinstep

3;refertoFigure9.

5.Slipawasherontoeachoftheremainingbolts(1
x5-1/2inch),andinsertthemfromoutsideofthe
trencher(Figure10)throughtheremainingholeinrow
1(machineswithatrackdrive)orrow2(machines
withwheels).

6.Slipawasherandpartiallythreadalocknutontothe
endofeachofthebolts.

7.Insert2locknutsintothe2nutretainerslocatedatthe
forwardsideoftherear-attachmentmountingplateof
themachine(Figure11).

Figure11

1.Mountingplate

2.Nutretainer

3.Locknut(1inch)

8.Positionthetrenchersothatitisattherearofthe
tractionunit.

9.Aligntherowofboltsonthetrenchersothattheyare
abovetheupperslotsinthemountingplateonthe
tractionunit(Figure12).

9

Figure14

Figure12

1.Upperslots3.Lowerholes

2.Mountingplate

10.Lowerthetrencherattachmentuntilitisalignedwith
themountingplateandtheboltstintheupperslots.

Note:Ensurethatthewashersontheboltsprojecting
throughthetrencherattachmentarealignedtothe
forwardsideofthemountingplateasyoulowerthe
trencherattachmentonthemachine;refertoFigure13.

1.Locknut(1inch)

2.Hole(trencherattachment)4.Bolt(1x5-1/2inch)

3.Washer

13.Attheforwardsideofthemountingplateforthe
machine,threadalocknutontothelower,centerbolt
(Figure14).

14.Torquetheboltsandthelocknutsto1341to1368N-m
(989to1009ft-lb).

Figure13

1.Trencher

2.Boltheadandwasher

3.Upperslot(2)

11.Handtightenalltheboltsandnuts.

12.Frominsidethetrencherattachment,installthe3bolts
(1x5-1/2inch)and3washersthroughtheholesin
row3(formachineswithatrackdrive)orthrough
theholesinrow4(formachinesformachineswith
wheels).RefertoFigure8)andFigure14.

10

4

PreparingtheHydraulicMotor

Partsneededforthisprocedure:

1

45°elbowtting(3/4inch)

2

90°anged-elbowtting(1inch)

2

O-ring

4Flangeclamp

8

Hex-headbolt(12x45mm)

8

Lockwasher(12mm)

Procedure

1.RemoveanddiscardtheplugsfromtheportsA,B,and
L1ofthehydraulicmotorasshowninFigure15.

Figure16

1.45°elbowtting(3/4inch)

2.Jamnut

3.PortL1

3.PlacetheO-ringsintothegroovesintheangesofthe
90°anged-elbowttings.

4.AlignaangedelbowandO-ringoverportBofthe
hydraulicmotor(Figure17).

Figure15

1.Plug3.PortA

2.PortL14.PortB

2.Installthe45°elbowtting(3/4inch)intoPortL1as
showninFigure16.

Note:Tightenthejamnutfortheelbowttingnger
tight.

Figure17

1.Hex-headbolt(12x45
mm)

2.Lockwasher(12mm)5.O-ring

3.Flangeclamp(2)

4.90°anged-elbowtting

6.PortB

5.Securetheangedelbowtothehydraulicmotorwith
2angeclamps,4hex-headbolts(12x45mm),and4
lockwashers(12mm)asshowninFigure17.

Note:Tightenthehex-headboltsngertight.

6.AlignaangedelbowandO-ringoverportAofthe
hydraulicmotor(Figure18).

11

5

ConnectingtheLiftCylinder Hoses

Partsneededforthisprocedure:

2

45°elbowtting(3/8inch)

Procedure

Figure18

1.Hex-headbolt(12x45
mm)

2.Lockwasher(12mm)5.O-ring

3.Flangeclamp(2)

7.Securetheangedelbowtothehydraulicmotorwith
2angeclamps,4hex-headbolts(12x45mm),and4
lockwashers(12mm)asshowninFigure18.

Note:Tightenthehex-headboltsngertight.

4.90°anged-elbowtting

6.PortA

1.Removethe2caps(3/8inch)fromthebulkhead
ttingsfortheextendandretractcircuitsforthelift
cylinder(Figure19).

Figure19

1.Liftcylinder5.45°elbowtting(3/8inch)

2.Cap(3/8inch)

3.Bulkheadtting(extend
circuit)

4.Bulkheadtting(retract
circuit)

6.Extendhose

7.Retracthose

2.Installthe2elbowttings(45°)ontothebulkhead
ttingsngertight(Figure19).

3.Connecttheextendhosetothe45°elbowtting
connectedtothebulkheadttingfortheextend
hydrauliccircuit(Figure19).

4.Connecttheretracthosetothe45°elbowtting
connectedtothebulkheadttingfortheretract
hydrauliccircuit(Figure19).

5.Tightentheelbowstothebulkheadttingsandthe
hosetotheelbowsto20to28N-m(15to21lb-ft).

12