Toro Center Trencher, RT1200 Traction Unit User manual

Brand: Toro

Model: Center Trencher, RT1200 Traction Unit

Type: User manual

FormNo.3397-318RevA

CenterTrencher

RT1200TractionUnit

ModelNo.25453—SerialNo.314000001andUp

ModelNo.25453E—SerialNo.314000001andUp

Registeratwww.Toro.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.

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.

8111LyndaleAvenueSouth

Bloomington,MN55420

Contactusatwww.Toro.com.

PrintedintheUSA

AllRightsReserved

Contents

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

Safety

Improperlyusingormaintainingthisattachmentcan

resultininjury.Toreducethepotentialforinjury,

complywiththesesafetyinstructionsandthoseinthe

tractionunit

Operator’ s Man ual

.Alwayspayattentionto

thesafetyalertsymbol,whichmeansCaution,Warning,

orDanger—personalsafetyinstruction.Failureto

complywiththeinstructionmayresultinpersonalinjury

ordeath.

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.

SafetyandInstructionalDecals

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaofpotential

danger.Replaceanydecalthatisdamagedorlost.

125-6693

1.Trencheroil3.Lubricatetheaugerevery

10to50operatinghours.

2.Gear-boxoil4.ReadtheOperator’s

Manualformaintenance

information.

125–6670

1.Cutting/dismembermenthazard,trencher—keep

bystandersawayfromthetrencher;keepawayfrommoving

parts;keepallguardsandsafetiesinplace.

125–6694

1.Tie-downpoint

125-6671

1.Explosionhazard;electricshockhazard—calllocalutilities

beforedigging.

Setup

LooseParts

Usethechartbelowtoverifythatallpartshavebeenshipped.

ProcedureDescription

Qty.

Use

Nopartsrequired

–

Preparetoinstallthetrencher.

Speed-shiftswitch

Installthespeed-shiftswitch.

Trencherattachment1

Bolt(1x5-1/2inch)

Flatwasher(1inch)

Locknut(1inch)

Installthetrencher.

45°elbowtting(3/4inch)

90°anged-elbowtting(1inch)

O-ring

Flangeclamp4

Hex-headbolt(12x45mm)

Lockwasher(12mm)

Preparethehydraulicmotor.

45°elbowtting(3/8inch)

Connecttheliftcylinderhoses.

Hose(34-1/2inch)

Hose(40-1/2inch)

Hose(47inch)

Cabletie

Installthehydraulichoses.

Cabletie

Connectthewireharnesstothe

hydraulicmotor.

Nopartsrequired

–

Purgeairfromthehydraulicmotorand

liftcylinder.

Sprocketsegment

Bolt(9/16x2-3/4inch)

Locknut(9/16inch)

Installthesprocket.

Leftauger

Rightauger1

Augershaft

Augersprocket1

Bearing2

Key(1/2x5inch)

Hex-headbolt(3/4x4inch)

Locknut(3/4inch)

Hex-headbolt(5/8x2-1/2inch)

Locknut(5/8inch)

Installtheauger.

Nopartsrequired

–

Installtheboom.

ProcedureDescription

Qty.

Use

Boom1

Hex-headbolt(3/4x2-1/2inch)

Washer(3/4inch)

Locknut(3/4inch)

Hex-headbolt(1x2-1/2inch)

Washer(1inch)

Locknut(1inch)

Shim

Installtheboom.

Diggingchain1

Masterpin1

Safetypin

Installthediggingchain.

Restraintbar1Installtherestraintbar.

PreparingtoInstallthe

Trencher

NoPartsRequired

Procedure

1.Movethemachinetoalevelsurfacethatisbelowthe

liftingequipment.

2.Ifthebackhoeisinstalledonthemachine,lowerthe

boomuntilthebucketisontheground.

3.Ensurethatthetiltfeatureofthemachineisleveland

thetilt-lockoutpinissecuretothechassis-lockout

bracket;refertotheOperator’sManualforthemachine.

4.Shutoffthemachine,settheparkingbrake,and

removethekeyfromthekeyswitch.

InstallingtheSpeed-Shift

Switch

Partsneededforthisprocedure:

Speed-shiftswitch

ConnectingtheSpeed-ShiftSwitch

1.Removethe6hex-angedbolts(12x30mm)that

securetherear-coverplatetotherearbulkheadofthe

machine,andremovethecoverplate(Figure3).

Figure3

1.Bulkhead

3.Hex-angedbolt(12x30

mm)

2.Rear-coverplate

2.Removetheleftmostblankingplatefromthe

auxiliary-controlpanel(Figure4).

Figure4

1.Switchopening

(auxiliary-controlpanel)

3.10-socketconnector

2.Blankingplate

4.Left

3.Pullthe10-socketconnectoratthefarthestleftof

thewiringharnessofthemachinethroughtheswitch

openingwheretheblankingplugwaslocated(Figure5).

Figure5

1.Speed-shiftswitch4.Largenotch(speed-switch

body)

2.10-socketconnector

5.Leftsideofthemachine

3.Switchopening

(auxiliary-controlpanel)

6.Frontofthemachine

4.Connectthe10-socketconnectorofthewiringharness

tothe10-pinconnectorofthespeed-shiftswitch

(Figure5).

5.Alignthelargenotchinthebodyofthespeed-shift

switchsothatthenotchistowardthefrontofthe

machine,andsnaptheswitchintotheauxiliary-control

panel(Figure5).

RoutingtheSpeed-SwitchHarness

1.Locatetheharnesswiththe2-socketconnectorfor

thespeed-shiftsolenoidonthehydraulicmotorinthe

lowerleftcornerofthebulkheadinterior(Figure6).

Figure6

1.Harness(speed-shift

solenoid)

3.Hex-angedbolts(12x30

mm)

2.Rear-coverplate

2.Removethecabletiethatsecuresthespeed-shiftwiring

leadtotheharnessofthemachine.

3.Routetheharnessrearward,betweentheleftrear

fenderandtherear-coverplateasshowninFigure6.

4.Aligntherear-coverplatetotherearbulkheadofthe

machine(Figure3).

5.Securethecoverplatetothebulkheadwiththe6

hex-angedbolts(12x30mm)thatyouremovedin

step1.

InstallingtheTrencher

Attachment

Partsneededforthisprocedure:

1Trencherattachment

Bolt(1x5-1/2inch)

Flatwasher(1inch)

Locknut(1inch)

Procedure

1.RaisetheattachmentofftheoorasshowninFigure7.

Important:Ensurethattheliftingequipmenthas

aliftingcapacityofatleast405kg(893lb).

Figure7

2.Locatethe2rowsofholesinthemountingplatethat

youwillusetosecuretheattachmenttothetraction

unit(Figure8).

Figure8

1.Mountingplate

3.Holes(rows2and4for

machineswithwheels)

2.Holes(rows1and3for

machineswithatrack

drive)

Note:Ifyourmachinehasatrackdrive,usetheholes

inrows1and3;refertoitem2inFigure8.

Ifyourmachinehaswheels,usetheholesinrows2

and4;refertoitem3inFigure8.

3.Insertalocknutintothenutretainerlocatedinsidethe

trencherattheholeinrow1(machineswithatrack

drive)orrow2(machineswithwheels)asshownin

Figure9.

Figure9

1.Locknut(1inch)

4.Washer

2.Upper-nutretainer

(machineswithatrack

drive)

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

3.Lower-nutretainer

(machineswithwheels)

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

threadtheboltintothenutthatyouinstalledinstep

3;refertoFigure9.

5.Slipawasherontoeachoftheremainingbolts(1

x5-1/2inch),andinsertthemfromoutsideofthe

trencher(Figure10)throughtheremainingholeinrow

1(machineswithatrackdrive)orrow2(machines

withwheels).

Figure10

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

withwheels)

2.Washer5.Washer

3.Hole(row1formachines

withatrackdrive)

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

6.Slipawasherandpartiallythreadalocknutontothe

endofeachofthebolts.

7.Insert2locknutsintothe2nutretainerslocatedatthe

forwardsideoftherear-attachmentmountingplateof

themachine(Figure11).

Figure11

1.Mountingplate

3.Locknut(1inch)

2.Nutretainer

8.Positionthetrenchersothatitisattherearofthe

tractionunit.

9.Aligntherowofboltsonthetrenchersothattheyare

abovetheupperslotsinthemountingplateonthe

tractionunit(Figure12).

Figure12

1.Upperslots3.Lowerholes

2.Mountingplate

10.Lowerthetrencherattachmentuntilitisalignedwith

themountingplateandtheboltstintheupperslots.

Note:Ensurethatthewashersontheboltsprojecting

throughthetrencherattachmentarealignedtothe

forwardsideofthemountingplateasyoulowerthe

trencherattachmentonthemachine;refertoFigure13.

Figure13

1.Trencher

3.Upperslot(2)

2.Boltheadandwasher

11.Handtightenalltheboltsandnuts.

12.Frominsidethetrencherattachment,installthe3bolts

(1x5-1/2inch)and3washersthroughtheholesin

row3(formachineswithatrackdrive)orthrough

theholesinrow4(formachinesformachineswith

wheels).RefertoFigure8)andFigure14.

Figure14

1.Locknut(1inch)

3.Washer

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

13.Attheforwardsideofthemountingplateforthe

machine,threadalocknutontothelower,centerbolt

(Figure14).

14.Torquetheboltsandthelocknutsto1341to1368N-m

(989to1009ft-lb).

PreparingtheHydraulicMotor

Partsneededforthisprocedure:

45°elbowtting(3/4inch)

90°anged-elbowtting(1inch)

O-ring

4Flangeclamp

Hex-headbolt(12x45mm)

Lockwasher(12mm)

Procedure

1.RemoveanddiscardtheplugsfromtheportsA,B,and

L1ofthehydraulicmotorasshowninFigure15.

Figure15

1.Plug3.PortA

2.PortL14.PortB

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

showninFigure16.

Note:Tightenthejamnutfortheelbowttingnger

tight.

Figure16

1.45°elbowtting(3/4inch)

3.PortL1

2.Jamnut

3.PlacetheO-ringsintothegroovesintheangesofthe

90°anged-elbowttings.

4.AlignaangedelbowandO-ringoverportBofthe

hydraulicmotor(Figure17).

Figure17

1.Hex-headbolt(12x45

mm)

4.90°anged-elbowtting

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

3.Flangeclamp(2)

6.PortB

5.Securetheangedelbowtothehydraulicmotorwith

2angeclamps,4hex-headbolts(12x45mm),and4

lockwashers(12mm)asshowninFigure17.

Note:Tightenthehex-headboltsngertight.

6.AlignaangedelbowandO-ringoverportAofthe

hydraulicmotor(Figure18).

Figure18

1.Hex-headbolt(12x45

mm)

4.90°anged-elbowtting

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

3.Flangeclamp(2)

6.PortA

7.Securetheangedelbowtothehydraulicmotorwith

2angeclamps,4hex-headbolts(12x45mm),and4

lockwashers(12mm)asshowninFigure18.

Note:Tightenthehex-headboltsngertight.

ConnectingtheLiftCylinder

Hoses

Partsneededforthisprocedure:

45°elbowtting(3/8inch)

Procedure

1.Removethe2caps(3/8inch)fromthebulkhead

ttingsfortheextendandretractcircuitsforthelift

cylinder(Figure19).

Figure19

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

2.Cap(3/8inch)

6.Extendhose

3.Bulkheadtting(extend

circuit)

7.Retracthose

4.Bulkheadtting(retract

circuit)

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).

InstallingtheHydraulicHoses

Partsneededforthisprocedure:

Hose(34-1/2inch)

Hose(40-1/2inch)

Hose(47inch)

Cabletie

Procedure

1.Removethe2caps(1inch)andthe1cap(5/8inch)

fromthebulkheadttingsinthehydraulic-attachment

panel(Figure20).

Figure20

1.Bulkheadtting

(pressure-hydrauliccircuit)

4.Hydraulic-attachment

panel

2.Bulkheadtting(case

drain)

5.Caps

3.Bulkheadtting

(return-hydrauliccircuit)

2.Installthepressurehose(88cmor34-1/2inch);

case-drainhose(119cmor47inch);andreturnhose

(103cmor40-1/2inch)betweenthettingsonthe

hydraulic-attachmentpanel(Figure21)andthettings

thatyouinstalledonthehydraulicmotorasshownin

Figure22.

Note:Ensurethattheangledttingonthepressure

hoseisconnectedtothebulkheadttingforthe

pressure-hydrauliccircuit.Alsoensurethattheangled

ttingonthereturnhoseisconnectedtothebulkhead

ttingforthereturn-hydrauliccircuitatthehydraulic

attachmentpanel.

Figure21

1.Bulkheadtting

(pressure-hydraulic

circuit—A)

5.Case-drainhose(119cm

or47inch)

2.Bulkheadtting(case

drain)

6.Returnhose(103cmor

40-1/2inch)

3.Bulkheadtting

(return-hydraulic

circuit—B)

7.Cabletie

4.Pressurehose(88cmor

34-1/2inch)

Figure22

1.45°elbowtting(3/4inch,

casedrain)

4.Pressurehose(88cmor

34-1/2inch)

2.90°anged-elbowtting(

pressure-hydrauliccircuit)

5.Case-drainhose(119cm

or47inch)

3.90°anged-elbowtting

(return-hydrauliccircuit)

6.Returnhose(103cmor

40-1/2inch)

3.Securethe3hydraulichoseswithacabletie(Figure21).

4.Torquethehydraulicttingsandhoses;refertothe

tablebelow:

Component

Torquevalue

(N-m)

Torquevalue

(lb-ft)

8hex-head

bolts(12x45

mm)

80to10059to73Figure17and

Figure18

Jamnutfor

the45°elbow

tting(3/4

inch)

142to175105to129Figure16

Casedrain

hose119cm

(47inch)

58to7243to53Figure21and

Figure22

Pressure

hose88cm

(34-1/2inch)

andreturn

hose103cm

(40-1/2inch)

122to14990to110Figure21and

Figure22

ConnectingtheWireHarness

totheHydraulicMotor

Partsneededforthisprocedure:

Cabletie

Procedure

1.Routethewireharnessthatyouaccessedinsteps1

through3in1PreparingtoInstalltheTrencher(page

6)alongthecase-drainhosetothespeed-shiftsolenoid

(Figure23).

Figure23

1.Cabletie

4.2-pinconnector

(speed-shiftsolenoid)

2.Case-drainhose

5.Hydraulicmotor

3.2-socketconnector

2.Connectthe2-socketconnectorofthewireharnessto

the2-pinconnectorofthespeed-shiftsolenoidonthe

hydraulicmotor(Figure23).

3.Securethewiringharnesstothecase-drainhosewitha

cabletie(Figure23).

PurgingAirfromtheHydraulic

MotorandLiftCylinder

NoPartsRequired

Procedure

CAUTION

Hydraulicuidescapingunderpressurecan

penetrateskinandcauseinjury.Fluidinjectedinto

theskinmustbesurgicallyremovedwithinafew

hoursbyadoctorfamiliarwiththisformofinjury;

otherwise,gangrenemayresult.

•Keepyourbodyandhandsawayfrompin-hole

leaksornozzlesthatejecthigh-pressure

hydraulicuid.

•Usecardboardorpapertondhydraulicleaks;

neveruseyourhands.

Note:Use2peoplewhenperformingthisprocedure.

1.Startthemachine;refertothetractionunitOperator’s

Manual.

2.Operatetheattachment-elevationswitchseveraltimes

ineachdirectiontoextendandretractthehydrauliclift

cylinder(Figure24).

Note:Moveelevationswitchinbothdirectionsuntil

theboom-mountttingmovessmoothlyinboth

directions.

Figure24

1.Trenchermotor/vibratory

plowjoystick

2.Attachment-elevation

switch

3.Liftthelockringatthebottomofthetrencher

motor/vibratoryplowjoystick(locatedontheright

sideoftheoperatorseat),andoperatethehydraulic

motorforwardandbackwardseveraltimestobleedthe

airfromthemotor(Figure24).

Note:Movejoystickinbothdirectionsuntilthehub

movessmoothlyinbothdirections.Haveanother

personobservethehubandtheboom-mountttingas

theymove.

4.While1personiswatchingthe2-piecedrivesprocket

thatyouinstalled,pressthespeed-shiftswitchtothe2

positions.(Figure25andFigure26).

Note:Noticethatthesprocketandplanetaryhub

changetherotationspeedbetweenslowandfast.

Figure25

1.Speed-shift

switch—fast-rotation

position

2.Speed-shift

switch—slow-rotation

position

Figure26

1.Planetaryhub

5.Movethetrenchermotor/vibratoryplowjoystickto

theNEUTRALposition(Figure24)andshutoffthe

machine.

6.Checkthehydraulicttingsandhosesforleaks.

InstallingtheSprocket

Partsneededforthisprocedure:

Sprocketsegment

Bolt(9/16x2-3/4inch)

Locknut(9/16inch)

Procedure

1.Install1ofthe2sprocketsegmentsontothehubof

theplanetarydrivewith4bolts(9/16x2-3/4inch)

and4locknuts(Figure27).

Figure27

1.Bolt(9/16x2-3/4inch)

3.Hub

2.Sprocketsegment4.Locknut(9/16inch)

2.Starttheengineofthemachineandrotatetheplanetary

gearbymovingthetrencher/vibratoryplowjoystick

untiltheotherhalfofthehubisaccessible.

3.Repeatstep1toinstalltheothersprocketsegment

(Figure27).

4.Torquetheboltsandlocknutsto231to251N-m(170

to185ft-lb).

InstallingtheAuger

Partsneededforthisprocedure:

Leftauger

1Rightauger

Augershaft

1Augersprocket

2Bearing

Key(1/2x5inch)

Hex-headbolt(3/4x4inch)

Locknut(3/4inch)

Hex-headbolt(5/8x2-1/2inch)

Locknut(5/8inch)

Pre-AssemblingtheAuger

1.Identifytheleftandrightaugers(Figure28).

Figure28

1.Leftauger

2.Rightauger

2.Slideabearingontotheaugershaftwiththelocking

collaralignedoutward(Figure29).

Note:Donottightenthesetscrewforthelocking

collarofthebearing.

Figure29

1.Leftauger

6.Keyslot

2.Key

7.Inboardhole(augershaft)

3.Locknut(3/4inch)8.Hex-headbolt(3/4x4

inch)

4.Augersprocket9.Bearing

5.Hole(rightauger)10.Setscrew

3.Attheendoftheshaftwhereyouinstalledthebearing,

aligntheholeintheleftaugerwiththeinboardhole

inaugershaft(Figure29).

4.Securetheaugertotheshaftwiththehex-headbolt

(3/4x4inch)andlocknutbyhand(Figure29).

5.Slidethebearingdowntheshaftuntilthelockcollarof

thebearingisagainsttheauger(Figure29).

6.Installthekeyinthekeyslotoftheaugershaft.

7.Slidetheaugersprocketoverthefreeendoftheshaft

andalignthekeyslotinthesprocketwiththekey

(Figure29).

Note:Thesprocketshouldbecenteredoverthekey.

8.Slidetheotherbearingovertheaugershaftwiththe

lockingcollaralignedoutward(Figure29).

Note:Donottightenthesetscrewforthelocking

collarofthebearing.

9.Slidetherightaugeroverthefreeendoftheshaftand

aligntheholeintheaugerwiththeinboardholeinthe

shaft(Figure29).

10.Securetheaugertotheshaftwiththehex-headbolt

(3/4x4inch)andlocknut(Figure29).

11.Torquethehex-headbolts(3/4x4inch)andthe

locknutsto511to559N-m(377to413lb-ft).

InstallingtheAuger

Augerweight:102kg(225lb)

1.Insertthe4hex-headbolts(5/8x2-1/2inch)halfway

throughthehexsocketsinthe2auger-mountingplates

(Figure30).

Note:Whenyouhaveinsertedtheboltscorrectly,the

threadedshankoftheboltspointsoutboard.

Figure30

1.Hex-headbolt2.Hexsocket

(auger-mountingplate)

2.Slidebothbearingsoutwarduntilthelockingcollarsof

thebearingsareagainsttheinboardendofeachauger

(Figure31).

Figure31

1.Inboardendoftheauger

3.Bearing

2.Lockingcollar

3.Usingliftingequipmentwitha102kg(225lb)lifting

capacity,lifttheaugerassemblyupandalignittothe

auger-mountingplate(Figure31andFigure32).

Figure32

1.Locknut(5/8inch)

4.Bearing

2.Hex-headbolts(5/8x

2-1/2inch)

5.Gap

3.Setscrew(lockingcollar)

4.Rotatethebearinguntilthemountingholesinthe

bearingarealignedwiththe4hex-headbolts(5/8x

2-1/2inch)asshowninFigure32.

5.Slideboltsoutwardandseattheheadoftheboltsinto

thehexsocketoftheauger-mountingplates(Figure

32).

6.Slidethebearinginboard,securethebearingstothe

auger-mountingplateswiththe4hex-headbolts(5/8

x2-1/2inch)andthe4locknuts(5/8inch)asshown

inFigure32.

7.Torquethenutsto203to223N-m(150to165lb-ft).

8.Ensurethatthegapbetweentheleftaugerandleft

bearingisthesamesizeasthegapbetweentheright

augerandrightbearing(Figure32).

9.Tightenthesetscrewsinthelockingcollarsforthe

bearingsandremovetheliftingequipment(Figure32).

InstallingtheBoom

NoPartsRequired

Procedure

122cm(48inch)Rockboomweight:212kg(466lb)

152cm(60inch)Rockboomweight:239kg(526lb)

1.Starttheengine;refertothetractionunitOperator’s

Manual.

2.Usetheattachment-elevationswitchtomovethe

boom-mountttingofthetrenchertothehorizontal

position(Figure33).

Figure33

1.Boom-mountingttingonthetrencher

3.Attachtheliftingequipmenttotherockboomandlift

theboom(Figure34).

Important:Ensurethattheliftingequipmenthas

averticalliftcapacityofatleast212kg(466lb)for

the122cm(48inch)rockboomor239kg(526lb)

fora152cm(60inch)rockboom.

Note:Ensurethattheboomislevelwhenyouliftit.

Note:Ifadditionalclearanceisneededforthelifting

equipmentatthecrumbermount,removethebolts

andnuts.

Figure34

1.Boom-mountttingonthe

trencher

3.Nut(crumbermount)

2.Mountingplateonthe

boom

4.Bolt(crumbermount)

4.Positiontherockboomsothatthemountingplateof

theboomisushtotheboom-mountttingonthe

trencher,andtheholesintheplatearealignedwiththe

holesinthetting(Figure34).

5.Applymedium-grade(serviceremovable)

thread-lockingcompoundtothe4hex-headbolts(3/4

x2-1/2inch).

6.Install2hex-headbolts(3/4x2-1/2inch),washers,

andnutsintotheverticalholesinthemountingplate

andtheboom-mounttting(Figure35).

7.Install2hex-headbolts(3/4x2-1/2inch),washers,

andnutsintothehorizontalholesinthemounting

plateandtheboom-mounttting(Figure35).

Note:Ensurethatthemountingplateontheboomis

ushwiththeboom-mountttingonthetrencher.

Figure35

1.Nut(3/4inch)4.Boom-mounttting

(trencher)

2.Washer(3/4inch)5.Mountingplate(rock

boom)

3.Hex-headbolts(3/4x

2-1/2inch)

8.Torquetheboltsandnutsto203N-m(150lb-ft).

9.Removetheliftingequipment.

AligningtheBoom

Partsneededforthisprocedure:

1Boom

Hex-headbolt(3/4x2-1/2inch)

Washer(3/4inch)

Locknut(3/4inch)

Hex-headbolt(1x2-1/2inch)

Washer(1inch)

Locknut(1inch)

Shim

Procedure

1.Checkthealignmentoftheboomandrecordyour

measurementsintheAlignmentWorksheetbelow:

•Left-offsetboom:iftheboomisalignedtothe

leftofthesprocketcenterline,placeastraight

edgeacrosstherightfaceofthedrivesprocket

andmeasurethegap(dimensionA)betweenthe

straightedgeandtheendroller(Figure36and

Figure37).

•Right-offsetboom:iftheboomisalignedtothe

rightofthesprocketcenterline,placeastraight

edgeacrosstheleftfaceofthedrivesprocket

andmeasurethegap(dimensionA)betweenthe

straightedgeandtheendroller(Figure36and

Figure37).

•Nooffset:theboomisaligned(Figure37).

Note:Ifthemeasureddimension-Agapis0to4.8

mm(0to0.1875inch),skiptostep7.

AlignmentWorksheet

YourMeasurement

(dimensionA)

Maximum-offsetgap4.8mm(0.1875inch)

Shim-correctiondimension

Figure36

Leftoffsetshown

1.DimensionAgap

3.Straightedge(83inchfor

the48-inchrockboom;96

inchforthe60-inchrock

boom)

2.Endroller

4.Sprocket

Figure37

1.Endroller(leftoffset)3.Endroller(rightoffset)

2.Sprocketcenterline

2.Usingthealignmentworksheet,determinethe

numberofshimsthatyouneedbysubtractingthe

maximum-offsetgap4.8mm(0.1875inch)fromyour

measurement(dimensionA).

Note:Theresultistheshim-correctiondimension.

3.Usetheshimtabletodeterminethenumberofshims

neededtoaligntheboomwithinthe4.8mm(0.1875

inch)maximum-offsetgap.

ShimTable

NumberofShims

forCorrection

22cm(48inch)

RockBoom

Shim-correction

Dimension

152cm(60inch)

RockBoom

Shim-correction

Dimension

7.1mm(0.28inch)9.4mm(0.37inch)

14.5mm(0.57

inch)

19.6mm(0.77

inch)

21.8mm(0.86

inch)

29.5mm(1.16

inch)

4.Installtheliftingequipmenttotheboomandsupport

it.

5.Loosenthe4hex-headbolts(3/4x2-1/2inch)and

nuts(Figure38).

Figure38

Shiminstallationforaleft-offsetboom

1.Boom-mounttting

(trencher)

5.Washer(1inch)

2.Nut(3/4inch)6.Shim(s)

3.Hex-headbolts(3/4x

2-1/2inch)

7.Mountingplate(rock

boom)

4.Locknut(1inch)8.Hex-headbolt(1x2-1/2

inch)

6.Inserttheshimsasfollows:

•Foraleft-offsetboom,sliptheshimsbetweenthe

boom-mounttting(trencher)andthemounting

plate(rockboom)attheleftside(Figure38).

•Foraright-offsetboom,sliptheshimsbetween

theboom-mountttingandthemountingplateat

therightside(Figure38).

Note:Ensurethattheslotsintheshimalignwiththe

horizontalhex-headbolt(3/4x2-1/2inch)andthe25

mm(1inch)holesbelowthebolt.

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Toro Center Trencher, RT1200 Traction Unit User manual

Toro Center Trencher, RT1200 Traction Unit User manual

Toro Center Trencher, RT1200 Traction Unit User manual

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