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FormNo.3394-817RevA
TrencherMountKitforTrackedMachine
RT1200Trencher
ModelNo.25469
ModelNo.25469E
InstallationInstructions
WARNING
CALIFORNIA
Proposition65Warning
ThisproductcontainsachemicalorchemicalsknowntotheStateofCaliforniato
causecancer,birthdefects,orreproductiveharm.
Safety
Improperlyusingormaintainingthisattachmentcanresultininjury.Toreducethepotentialforinjury,comply 
withthesesafetyinstructionsandthoseinthetractionunit 
alertsymbol,whichmeansCaution,W arning,orDanger—personalsafetyinstruction.Failuretocomplywith 
theinstructionmayresultinpersonalinjuryordeath.
Operator’ s Man ual
.Alwayspayattentiontothesafety
WARNING
Whentheengineisoff,attachmentsintheraisedpositioncangraduallylower.Someonebelowthe 
attachmentmaybepinnedorinjuredbytheattachmentasitlowers.
Alwayslowertheattachmenteachtimeyoushutoffthetractionunit.
WARNING
Hydraulicuidescapingunderpressurecanpenetrateskinandcauseinjury.
•Makesureallhydraulicuidhosesandlinesareingoodconditionandallhydraulicconnectionsand 
ttingsaretightbeforeapplyingpressuretothehydraulicsystem.
•Keepyourbodyandhandsawayfrompinholeleaksornozzlesthatejecthighpressurehydraulicuid.
•Usecardboardorpapertondhydraulicleaks.
•Safelyrelieveallpressureinthehydraulicsystembeforeperforminganyworkonthehydraulicsystem.
•Seekimmediatemedicalattentionifuidisinjectedintoskin.
CAUTION
Hydraulicttings,hydrauliclines/valves,andhydraulicuidmaybehotandcanburnyouifyoutouch 
them.
•Weargloveswhenmaintaininghydrauliccomponents.
•Allowthetractionunitandtrenchertocoolbeforetouchinghydrauliccomponents.
•Donottouchhydraulicuidspills.
©2015—TheToro®Company 
8111LyndaleAvenueSouth 
Bloomington,MN55420
Registeratwww.T oro.com.
OriginalInstructions(EN)
PrintedintheUSA
AllRightsReserved
*3394-817*A
 
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Installation
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescription
1 
2
3
4 
5 
6
7
Nopartsrequired
Nopartsrequired
Spacer 
Bolts(1x2-1/2inch) 
Locknut(1inch) 
Washer(1inch) 
Bolt(1x13inch)
Nopartsrequired
Nopartsrequired
45°elbowtting(3/8inch)
Pressurehose(2.5x104cmor1x41 
inch)
Case-drainhose(1.3x116cmor1/2 
x45-3/4inch)
Returnhose(2.5x117cmor1x46 
inch)
Cabletie
Qty.
Use
–
–
1 
2 
4 
1 
4
–
–
2
1
1
1
1
Preparetoinstallthetrencher.
Installthespeed-shiftswitch.
Installthespacertothetrencher 
attachment.
Installthespeed-shiftswitch.
Preparethehydraulicmotor.
Connecttheliftcylinderhoses.
Installthehydraulichoses.
8
Nopartsrequired
1
PreparingtoInstallthe 
Trencher
NoPartsRequired
Procedure
1.Movethemachinetoalevelsurfacethatisbelowthe 
liftingequipment.
2.Ifthebackhoeisinstalledonthemachine,lowerthe 
boomuntilthebucketisontheground.
3.Ensurethatthetiltfeatureofthemachineisleveland 
thetilt-lockoutpinissecuretothechassis-lockout 
bracket;refertotheOperator’sManualforthemachine.
4.Shutoffthemachine,settheparkingbrake,and 
removethekeyfromthekeyswitch.
–
Finishthetrencherinstallation.
2
InstallingtheSpeed-shift 
Switch
NoPartsRequired
Procedure
Installthespeed-shiftswitchasinstructedinoperator’ smanual 
fortheCenterTrencher,RT1200TractionUnit.
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3
InstallingtheSpacertothe 
TrencherAttachment
Partsneededforthisprocedure:
1
Spacer
2
Bolts(1x2-1/2inch)
4
Locknut(1inch)
1
Washer(1inch)
4
Bolt(1x13inch)
AssemblingtheSpacertotheTrencher 
Attachment
Trencherattachmentweight:227kg(500lb)
Spacerweight:137kg(302lb)
Note:ThisprocedurereplacesInstallingtheTrencher 
AttachmentintheSetUpsectionoftheCenterline 
Trencher
1.RaisetheattachmentofftheoorasshowninFigure1.
operator’ s man ual
Important:Ensurethattheliftingequipmenthas 
aliftingcapacityofatleast227kg(500lb).
.
Figure2
1.Nutretainer3.Trencherbackplate
2.Locknut(1inch)
3.Usingliftingequipment,liftthespacerwiththe2hole 
rowsofthespacerup(Figure3).
Figure1
2.Insertalocknut(1inch)intotheupperandlowernut 
retainerlocatedinsidethetrencherattheleftholesin 
rows1and2ofthetrencherbackplate(Figure2).
3
 
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Figure3
1.Bolt(1x2-1/2inch)4.Row1hole(spacer)
2.Washer(1inch)5.Row2hole(trencher—left 
atcagenut)
3.Locknut(1inch)
4.Aligntherow1holesinthespacerwiththerow1holes 
inthetrencherasshowninFigure3.
5.Assembleabolt(1x2-1/2inch)throughthelefttop 
holeinthespacerandleftrow1holeinthetrencher 
andthreadtheboltintotherow1locknut(Figure3) 
thatyouinstalledinstep2.
6.Assembleabolt(1x2-1/2inch)throughtherighttop 
holeinthespacerandrightrow1holeinthetrencher 
andsecurethebolt,spacer,andtrencher(Figure3and
Figure4)withawasher(1inch)andlocknut(1inch).
Figure4
1.Spacer4.Washer(1inch)
2.Trencherbackplate
3.Bolt(1x2-1/2inch)
5.Locknut(1inch)
7.Torquetheboltsandthelocknutsto1341to1368N-m 
(989to1009ft-lb).
AssemblingtheSpacerandTrencher 
AttachmenttotheMachine
Note:ThisprocedurereplacesInstallingtheTrencher
AttachmentintheSetUpsectionoftheCenterline 
Trencher
1.Insertthe2bolts(1x13inch)throughintothegusset
operator’ s man ual
.
plateopeningsheadoftheboltrst(Figure5).
Figure5
1.Row2holes(mounting 
plate—machine)
2.Gussetplateopening4.Bolt(1x13
3.Bolt(1x13inch)–inserted 
headrst
inch)—installedposition
2.Install2bolts(1x13inch)throughtherow2holesin 
themountingplateofthemachine(Figure5).
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3.Aligntherow2holesinspacerwiththe2bolts(1x13 
inch)thatyouinstalledinstep1(Figure6).
Figure6
1.Mountingplate(machine)3.Row2holes(spacer)
2.Bolt(1x13inch)
1.Lowerlocknutandretainer
2.Bolts(1x13inch)
Figure8
3.Row3holes(trencher 
backplate)
4.Slidethespacerandtrencherontotheboltsuntilthe 
faceofthespacerisushtothemountingplateofthe 
machine(Figure6)
5.Attherightsideofthetrencherbackplate,assemblea 
washer(1inch)andlocknut(1inch)ontothebolt(1x 
13inch)asshowninFigure7.
Figure7
1.Trencherbackplate
2.Bolt(1x13inch)–right4.Locknut(1inch)
3.Washer(1inch)
7.Install2bolts(1x13inch)throughtherow3holesin 
thetrencherbackplate,therow2holesinthespacer, 
andthebottomholesinthemountingplateofthe 
machine(Figure8).
8.Atthebottomfrontofthemountingplateofthe 
machine(Figure9),thread2locknuts(1inch)ontothe 
bolts(1x13inch).
Figure9
1.Up
2.Backofthemachine5.Mountingplate(machine)
3.Locknuts(1inch)6.Spacer
4.Bolts(1x13inch)
6.Attheleftsideofthetrencherbackplate,threadthe 
bolt(1x13inch)throughtherow2locknutinthe 
trencher(Figure8)thatyouinstalledinstep2of3
InstallingtheSpacertotheTrencherAttachment(page
2).
9.Torquetheboltsandthelocknutsto1341to1368N-m 
(989to1009ft-lb).
10.Removetheliftingequipmentfromthespacerand 
trencherattachment.
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4
InstallingtheSpeed-shift 
Switch
NoPartsRequired
Procedure
Installthespeed-shiftswitchasinstructedinoperator’ smanual 
fortheCenterTrencher,RT1200TractionUnit.
5
PreparingtheHydraulicMotor
NoPartsRequired
Procedure
Preparethehydraulicmotorasinstructedinoperator’smanual 
fortheCenterTrencher,RT1200TractionUnit.
Figure10
1.Liftcylinder5.45°elbowtting(3/8inch)
2.Cap(3/8inch)
3.Bulkheadtting(extend 
circuit)
4.Bulkheadtting(retract 
circuit)
2.Installthe2elbowttings(45°)ontothebulkhead 
ttingsngertight(Figure10).
3.Connecttheextendhosetothe45°elbowtting 
connectedtothebulkheadttingfortheextend 
hydrauliccircuit(Figure10).
6.Extendhose
7.Retracthose
6
ConnectingtheLiftCylinder 
Hoses
Partsneededforthisprocedure:
2
45°elbowtting(3/8inch)
Procedure
Note:ThisprocedurereplacesConnectingtheLift
CylinderHosesintheSetUpsectionoftheCenterline 
Trencher
1.Removethe2caps(3/8inch)fromthebulkhead
operator’ s man ual
ttingsfortheextendandretractcircuitsforthelift 
cylinder(Figure10).
.
4.Connecttheretracthosetothe45°elbowtting 
connectedtothebulkheadttingfortheretract 
hydrauliccircuit(Figure10).
5.Tightentheelbowstothebulkheadttingsandthe 
hosetotheelbowsto20to28N-m(15to21lb-ft).
7
InstallingtheHydraulicHoses
Partsneededforthisprocedure:
1
Pressurehose(2.5x104cmor1x41inch)
1
Case-drainhose(1.3x116cmor1/2x45-3/4inch)
1
Returnhose(2.5x117cmor1x46inch)
1
Cabletie
Procedure
Note:ThisprocedurereplacesInstallingtheHydraulic
HosesintheSetUpsectionoftheCenterlineTrencher
operator’ s man ual
6
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1.Removethe2caps(1inch)andthe1cap(5/8inch) 
fromthebulkheadttingsinthehydraulic-attachment 
panel(Figure11).
Figure12
Figure11
1.Bulkheadtting 
(pressure-hydrauliccircuit)
2.Bulkheadtting(case 
drain)
3.Bulkheadtting 
(return-hydrauliccircuit)
4.Hydraulic-attachment 
panel
5.Caps
2.Installthepressurehose(2.5x104cmor1x41inch); 
case-drainhose(1.3x116cmor1/2x45-3/4inch); 
andreturnhose(2.5x117cmor1x46inch)between 
thettingsonthehydraulic-attachmentpanel(Figure
12)andthettingsthatyouinstalledonthehydraulic
motorasshowninFigure13.
Note:Ensurethattheangledttingonthepressure 
hoseisconnectedtothebulkheadttingforthe 
pressure-hydrauliccircuit.Alsoensurethattheangled 
ttingonthereturnhoseisconnectedtothebulkhead 
ttingforthereturn-hydrauliccircuitatthehydraulic 
attachmentpanel.
1.Bulkheadtting 
(pressure-hydraulic 
circuit—A)
2.Bulkheadtting(case 
drain)
3.Bulkheadtting 
(return-hydraulic 
circuit—B)
4.Pressurehose(2.5x104 
cmor1x41inch)
Figure13
1.45°elbowtting(3/4inch, 
casedrain)
2.90°anged-elbowtting( 
pressure-hydrauliccircuit)
3.90°anged-elbowtting 
(return-hydrauliccircuit)
5.Case-drainhose(1.3x 
116cmor1/2x45-3/4 
inch)
6.Returnhose(2.5x117cm 
or1x46inch)
7.Cabletie
4.Pressurehose(2.5x104 
cmor1x41inch)
5.Case-drainhose(1.3x 
116cmor1/2x45-3/4 
inch)
6.Returnhose(2.5x117cm 
or1x46inch)
3.Securethe3hydraulichoseswithacabletie(Figure12).
4.Torquethehydraulicttingsandhoses;refertothe 
ttingtorquetablebelow:
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FittingTorqueTable
ComponentTorquevalue(N-m)Torquevalue(lb-ft)
8hex-headbolts(12x45mm)
Jamnutforthe45°elbowtting 
(3/4inch)
Case-drainhose(1.3x1 16cm 
or1/2x45-3/4inch)
Pressurehose(2.5x104cm 
or1x41inch)andreturnhose 
(2.5x117cmor1x46inch)
80to10059to73Figure14
142to175105to129Figure14
58to7243to53Figure13andFigure14
122to14990to110Figure13andFigure14
FinishingtheTrencher 
Installation
NoPartsRequired
Procedure
8
1.Swivelnut(casedrain 
hose)
2.Swivelnuts(pressure 
hoseandreturnhose)
Figure14
3.Jamnut
4.8hex-headbolt(12x45 
mm)
Performthefollowingproceduresasinstructedinoperator’s 
manualfortheCenterTrencher,RT1200TractionUnit:
•ConnectingtheWiringHarnesstotheHydraulicMotor
•PurgingAirfromtheHydraulicMotorandLiftCylinder
•InstallingtheSprocket
•InstallingtheAuger
•InstallingtheBoom
•AligningtheBoom
•InstallingtheDiggingChain
•InstallingtheRestraintBar
8