Toro 25432, 25432E Operator's Manual

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Page 1

FormNo.3389-750RevA

HeavyDutyBackhoe125

RT600TractionUnit

ModelNo.25432—SerialNo.313000001andUp ModelNo.25432E—SerialNo.313000001andUp

Registeratwww.T oro.com. OriginalInstructions(EN)

*3389-750*A

Page 2

WARNING

CALIFORNIA

Proposition65Warning

Thisproductcontainsachemicalorchemicals

knowntotheStateofCaliforniatocausecancer,

birthdefects,orreproductiveharm.

Introduction

Thisattachmentisdesignedtodiginsoiltoburycablingand pipingforvariousapplications.Itisnotintendedtocutrock, wood,oranyothermaterialotherthansoil.

Readthisinformationcarefullytolearnhowtooperateand maintainyourproductproperlyandtoavoidinjuryand productdamage.Youareresponsibleforoperatingthe productproperlyandsafely.

YoumaycontactTorodirectlyatwww.Toro.comforproduct andaccessoryinformation,helpndingadealer,ortoregister yourproduct.

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

Figure2

1.Safetyalertsymbol

Thismanualuses2wordstohighlightinformation. Importantcallsattentiontospecialmechanicalinformation andNoteemphasizesgeneralinformationworthyofspecial attention.

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

Figure1

1.Locationofthemodelandserialnumberplate

ModelNo.

SerialNo.

Contactusatwww.Toro.com.

PrintedintheUSA

AllRightsReserved

Page 3

Contents

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

SafetyandInstructionalDecals.................................5

Setup............................................................................8

1PreparingtoInstalltheAttachmentontothe

TractionUnit......................................................9

2InstallingtheBackhoeWiringHarness.....................9

3InstallingtheMountingPlatestothe

Machine............................................................11

4InstallingtheBackhoeandtheBracketsontothe

Machine............................................................11

5InstallingtheWalkwaytotheMachine.....................13

6InstallingtheHandRailandtheSeat.......................15

7InstallingtheStabilizers........................................15

8InstallingtheStabilizerActuatorsand

Hoses................................................................16

9InstallingtheHydraulicPressureandReturn

Hoses................................................................18

10RoutingandConnectingtheWiringHarness

ontotheBackhoe................................................19

11InstallingtheE-StopSwitch.................................21

12InstallingtheControlsCoverandthe

Panels...............................................................22

13BleedingtheHydraulicSystem.............................23

14TestingtheOperator-PresenceSwitchandthe

E-StopSwitch....................................................26

15LubricatingtheStabilizers....................................27

ProductOverview.........................................................27

Controls...............................................................27

BoomControls...................................................27

DipperandBucketControls.................................28

Swing-LockPedalandBoom-LockHandle.............28

Specications........................................................29

Operation....................................................................30

UsingtheStabilizers................................................30

UsingtheBoomandSwingLocks.............................31

PreparingtoUsetheBackhoe..................................33

ControllingtheBackhoe..........................................34

DiggingwiththeBackhoe........................................35

MovingtheBackhoeandtheMachine.......................36

TransportingtheMachine........................................36

OperatingTips......................................................37

Maintenance.................................................................38

LubricatingtheBackhoe..........................................38

RaisingandLoweringtheSeat..................................39

Storage........................................................................40

Safety

DANGER

Theremaybeburiedpower,gas,and/ortelephone linesintheworkarea.Anelectricshockoran explosionmayoccurifyoudigintoautilityline.

Havethepropertyorworkareamarkedforburied linesanddonotdiginmarkedareas.Contactyour localmarkingserviceorutilitycompanytohavethe propertymarked(forexample,intheUnitedStates, call811forthenationwidemarkingservice).

WARNING

Whengoingupordownhill,themachinecould overturniftheheavyendistowardthedownhill side.Someonemaybepinnedorseriouslyinjured bythemachineifitoverturns.

Operateupanddownslopeswiththeheavyendof themachineuphill.Anattachedbackhoewillmake thefrontendheavy.

WARNING

Lightningcancausesevereinjuryordeath.

Iflightningisseenorthunderisheardinthearea, donotoperatethemachine;seekshelter.

CAUTION

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

•Keepyourbodyandhandsawayfrompin-hole leaksornozzlesthatejecthigh-pressure hydraulicuid.

•Usecardboardorpapertondhydraulicleaks; neveruseyourhands.

Page 4

CAUTION

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

•Weargloveswhenmaintaininghydraulic components.

•Allowthetractionunitandtrenchertocool beforetouchinghydrauliccomponents.

•Donottouchhydraulicuidspills.

Page 5

SafetyandInstructionalDecals

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaofpotential danger.Replaceanydecalthatisdamagedorlost.

Figure3

1.Decal125-84744.Decal125-6694

2.Decal125-84765.Decal125-8477

3.Decal125-6690

Page 6

125-6694

125-6690

1.Tie-downpoint

1.Wholebodycrushinghazard—keepawayfromthemachine wheninoperation.

125-8474

1.Warning—readtheOperator’sManual.

2.Tipping/crushinghazard—readtheOperator’sManual.

3.Explosionhazard;electricshockhazard—donotdiguntilyou havecalledlocalutilities.

4.Movethebackhoeboomtotheleft.13.Movethebackhoearmforward.

5.Lowerthebackhoeboom.14.Dumpthebucket.

6.Movethebackhoeboomtotheright.15.Movethebackhoearmrearward.

7.Raisethebackhoeboom.

8.Lowertheleftstabilizer.17.Starttheengine.

9.Raisetheleftstabilizer.

10.Lowertherightstabilizer.

11.Raisetherightstabilizer .

12.Raisethebucket.

16.Stoptheengine.

Page 7

125-8476

1.Unlocktheboomonly whenintheoperating position.

2.Locktheboombefore leavingtheoperating position.

3.ReadtheOperator’s Manual.

1.Lockthebackhoeboom position.

125-8477

2.Unlockthebackhoeboom position.

Page 8

Setup

LooseParts

Usethechartbelowtoverifythatallpartshavebeenshipped.

ProcedureDescription

1 2

Nopartsrequired

Backhoewiringharness1 Cabletie Leftmountingplate Rightmountingplate1 Bolt(1-1/4x3-1/2inch) Washer(1-1/4inch) Bracket,walkwaysupport1 Bracket,hydraulictube1 Bolt(3/4x2inch) Bolt(3/4x2-1/2inch) Bolt(3/4x2-3/4inch) Washer(3/4inch) Locknut(3/4inch) Walkway1 Pivotbracket1 Cable Pin1 Greasetting Bolt(12x40mm) Locknut(12mm) Bolt(3/8x1inch) Washer(3/8inch) Locknut(3/8inch) Washer(13/16inch) Handrail1 Seat Flangebolts(8x25mm) Flangenuts(8mm) Bolts(5/16x7/8inch) Lockwasher(5/16inch) Stabilizer Pin(1-1/2x8inch) Snapring(1-1/4inch) Cylinder Pin(1-1/4x8inch) Bushing4 Pin(1-1/4x6inch) Washer(1-3/8inch) Snapring(1-1/8inch) 90°hydraulictting(3/8inch) Cabletie

Qty.

14 14

Use

–

2 1

4 4

8 4 2

1 3 3 1 2 1 1

1 2 2 4 4 2 2 4 2 2

8 2 4

Preparetoinstalltheattachmentonto thetractionunit.

Installthebackhoewiringharness.

Installthemountingplatestothe machine.

Installthebackhoeandthebrackets ontothemachine.

Installthewalkway.

Installthehandrailandtheseat.

Installthestabilizers.

Installthestabilizeractuatorsand hoses.

Page 9

ProcedureDescription

Clamp Bolt(3/8x1inch) Washer(3/8inch) Locknut(3/8inch) Hose(3/4x40-1/2inch) 90°hydraulictting(3/4inch)

Nopartsrequired

Qty.

Use

2 1 2 1 2 2

–

Installthehydraulic-pressureand hydraulic-returnhoses.

Routeandconnectthebackhoewiring harness.

11 12 13

Important:Ensurethatthereisadequatespacetomove

thestabilizersandthebackhoearmtofullextension andthatthemachineandtheattachmentsareclearof obstructions.

Note:Forillustrationsoftheattachmentinstalledonthe tractionunit,referto(page).

E-stopswitch1InstalltheE-stopswitch.

Nopartsrequired

PreparingtoInstallthe

–

Installthecontrolscoverandthepanels.

Bleedthehydraulicsystem.

Testtheoperator-presenceswitchand theE-stopswitch.

Lubricatethestabilizers.

InstallingtheBackhoeWiring Harness

Partsneededforthisprocedure:

1Backhoewiringharness

Cabletie

AttachmentontotheTraction Unit

NoPartsRequired

Procedure

1.Parkthemachineonalevelsurface.

2.Lowertheattachment(s)totheground.

3.Turnofftheengineandremovetheignitionkey .

ConnectingtheBackhoeWiring HarnesstotheMachine

1.Removetheleft-andright-sidepanelsandthenose panel;refertothetractionunitOperator’sManual.

2.RotatethebatterydisconnecttotheOffposition;refer tothetractionunitOperator’sManual.

3.Onthebackhoewiring-harness,locatethebranchof theharnessthathasa1-pinconnector,a1-socket connector,anda2-pinconnector(Figure4).

Page 10

Figure6

Figure4

1.Forkedterminal(E-stop switch)

2.Two-socketconnector (operator-presence switch)

3.Backhoe-wiringharness

4.Two-pinconnector (machineharness connection)

5.One-socketconnector (machineharness connection)

6.One-pinconnector (machineharness connection)

4.Gototheleftsideoftheenginecompartment,locate thebranchofthemachinewiringharness(nextto thestarter)thathasthe1-socketconnectorandthe 1-pinconnector(connectedtogether),andthe2-socket connector(Figure5).

1.Backhoe-wiringharness

2.Two-pinconnector (backhoeharness,E-stop)

3.Two-socketconnector (machineharness,E-stop)

4.One-pinconnector (machineharness,E-stop)

5.One-socketconnector (machineharness,E-stop)

6.One-socketconnector (backhoeharness,E-stop)

7.One-pinconnector (backhoeharness,E-stop)

7.Connectthe1-socketconnectorofthebackhoewiring harnesstothe1-pinconnectorofthemachinewiring harness(Figure6).

8.Connectthe2-socketconnectorofthebackhoewiring harnesstothe2-pinconnectorofthemachinewiring harness(Figure6).

RoutingtheBackhoeWiringHarness ontheMachine

1.Routethebackhoewiringharnessforward,alongthe framerailandbelowthetopangeoftherail.

2.Routethewiringharnessovertheforwardaxleand throughtheleftholeinthebulkheadplate(Figure7).

Figure5

1.Two-socketconnector (operator-presence switch)

2.Socketconnector(E-stop)4.Starter

3.Pinconnector(E-stop)

5.Separatethe1-socketconnectorandthe1-pin connector(Figure4).

6.Connectthe1-pinconnectorofthebackhoewiring harnesstothe1-socketconnectorofthemachine wiringharness(Figure6).

Note:Routetheharnessinboardofthelefttilt cylinderforthebackllblade.

Page 11

InstallingtheMountingPlates totheMachine

Partsneededforthisprocedure:

Leftmountingplate

1Rightmountingplate

Bolt(1-1/4x3-1/2inch)

Washer(1-1/4inch)

Figure7

1.Bulkheadplate3.Engine-oildraincap

2.Backhoewiringharness

3.Routethewiringharnessupthroughthehorizontal accessholeinthepivotplateforthebackllblade, whichislocatedinfrontoftheradiator(Figure8).

Figure8

Procedure

Note:Theweightofeachmountingplateweightis40.4kg

(89lb).

1.Aligntheleftandrightmountingplatestotheir respectivefrontattachmentmountingpointsonthe frameofthemachine(Figure9).

1.Backhoewiringharness3.Hydraulicbulkheadplate

2.Accesshole

4.Routethewiringharnessforwardthroughthehydraulic bulkheadplateandthenforward(Figure8).

5.Installthenosepanelandtheleftandrightsidepanels; refertothetractionunitOperator’sManual.

Note:Ensurethatthebackhoewiringharnessis locatedunderthebottomofthenosepanelandin frontofthepanel.

6.Laythebackhoewiringharnessoverthefrontandtop ofthenosepanel,andtemporarilysecuretheharness ontothepanelwithapieceofadhesivetape.

Figure9

1.Rightmountingplate4.Mountingpoint

2.Bolt(1-1/4x3-1/2inch)5.Leftmountingplate

3.Washer(1-1/4inch)

2.Attacheachmountingplatetothemachinewith2bolts (1-1/4x3-1/2inch)and2washers(1-1/4inch),and tightenthefastenersbyhand(Figure9).

Note:Youwilltorquetheboltsthatsecurethe mountingplatestothemachineinstep9of4Installing

theBackhoeandtheBracketsontotheMachine(page

11).

Page 12

InstallingtheBackhoeandthe BracketsontotheMachine

Partsneededforthisprocedure:

1Bracket,walkwaysupport

1Bracket,hydraulictube

Bolt(3/4x2inch)

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

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

Washer(3/4inch)

Locknut(3/4inch)

Procedure

WARNING

Liftingheavymachinesandattachmentsimproperly couldresultinseriousinjuryorevendeath.

Whenliftingheavymachinesandattachments,use liftingequipment,suchaschainsandstraps,thatis ratedfortheweightoftheequipment.

Note:Theweightoftheattachmentis606.6kg(1,337lb).

1.Attachtheliftingequipmenttothehandlebarandthe dipperactuatormountingpoint(Figure10).

Figure10

1.Dipper-actuatormounting point

2.Handlebar5.Mounting-platehole

3.Pressureandreturn hydraulictubes

2.Aligntheholesinthebackplateofthebackhoewith themountingholesinthe2mountingplates(Figure

10).

Note:Usecarewhenaligningthehydraulic-pressure andhydraulic-returntubesrearwardoftheright mountingplateofthebackhoe.

3.Aligntheholesinthewalkway-supportbracketwith holesatthebacksideoftheleftmountingplate(Figure

11).

4.Back-platemountinghole

Page 13

Figure11

7.Installthe7horizontalbolts(3/4x2inch),the7 washers,andthe7locknutsintheremainingholesat thebacksideoftherightandleftmountingplates,and tightenthesefastenersbyhand(Figure13).

1.Locknut(3/4inch)

2.Mountingplate

3.Backplateofthebackhoe6.Bolt(3/4x2-3/4inch)

4.Walkway-supportbracket

5.Washer(3/4inch)

4.Insertthe2bolts(3/4x2-3/4inch)throughthe2 washers,thewalkway-supportbracket,themounting plate,andthebackhoeframe;install2locknuts(3/4 inch)onthebolts;andtightenthelocknutsbyhand (Figure11).

5.Aligntheholeinthehydraulic-tubebracketwithhole atthebacksideoftherightmountingplate(Figure12).

Figure13

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

2.Locknut(3/4inch)4.Bolt(3/4x2inch)

8.Insertthe4verticalbolts(3/4x2-1/2inch)through theholesinthelowerpivotplate(insidethepocketsfor thestabilizermountingpoints),andsecurethemwith4 washersand4locknutsasshowninFigure13.

9.Torquethe4bolts(1-1/4x3-1/4inch)thatsecurethe mountingplatestothemachineto915to1119N-m (675to825ft-lb).

10.Torquethe10horizontalbolts(3/4inchdiameter)that securethebackhoetothemachineto525to655N-m (387to483ft-lb).

Figure12

1.Bolt(3/4x2inch)

2.Washer(3/4inch)

3.Hydraulic-pressuretube

4.Hydraulic-returntube

5.Mountingplate

6.Hydraulic-tubesupport bracket

7.Backplateofthebackhoe

8.Locknut(3/4inch)

6.Insertthebolt(3/4x2inch)andwasher(3/4inch) throughthehydraulic-tubesupportbracket,the mountingplate,andthebackhoeframe;installa locknutonthebolt;andtightenthelocknutbyhand (Figure12).

11.Torquethe4verticalbolts(3/4x2-1/2inch)that securethebackhoetothemachineto525to655N-m (387to483ft-lb).

Page 14

InstallingtheWalkwaytothe Machine

Partsneededforthisprocedure:

1Walkway

1Pivotbracket

Cable

1Pin

Greasetting

Bolt(12x40mm)

Locknut(12mm)

Bolt(3/8x1inch)

Washer(3/8inch)

Locknut(3/8inch)

Washer(13/16inch)

InstallingtheLockingPinandCableon theWalkway

1.Securethecabletotheoutboardholeontheforward, verticalangeofthewalkwaywithabolt(3/8x1 inch),2washers(3/8inch),andalocknut(3/8inch)as showninFigure14.

Note:Ensurethatthecableisverticallyalignedtothe angeofthewalkway .

3.Slipthewasher(13/16inch)overtheendofthelocking pinandpastthespring-loadedball(Figure14).

InstallingtheWalkwayPivotBracket

1.Threadthegreasettingintotheholeinthecylindrical partofthepivotbracket(Figure15).

Figure15

1.Pivotbracket

2.Holeforthegreasetting5.Forwardangeofthefuel

3.Greasetting6.Flangelocknut(12mm)

4.Flange-headbolt(12x40 mm)

tank

2.Aligntheholesinthepivotbracketwiththeholesin theforwardangeofthefueltank(Figure15).

3.Looselysecurethebrackettothefueltankwith3bolts (12x40mm)and3locknuts(12mm)asshownin

Figure15.

InstallingtheWalkway

Figure14

1.Washer(13/16inch)5.Washer(3/8inch)

2.Lockingpin

3.Cable

4.Bolt(3/8x1inch)

6.Verticalangeofthe walkway

7.Locknut

2.Threadthesplitringofthelockingpinthroughthe loopinthecable(Figure14).

1.Alignthepivotpinofthewalkwaywiththeholeinthe pivotbracketcylinder(Figure16).

Figure16

1.Walkwaysupportbracket4.Pivotpin

2.Horizontalangeofthe walkway

3.Lockingpin

5.Pivotbracketcylinder

2.Fullyseatthepivotpinintothecylinder(Figure16).

Page 15

3.Applygreasetothegreasetting.

Note:Usealithium-basegrease.

Note:Cleanupanyexcessgreaseonthewalkway

pivotwitharag.

4.Rotatethewalkwayclockwiseuntiltheholeinthe forward,horizontalangeofthewalkwayisaligned withtheholeinthehorizontalangeofthewalkway supportbracket(Figure16).

Note:Raiseorlowerthepivotbracketasneededto alignthewalkwaywiththewalkwaysupportbracket.

5.Tightentheboltsandnutsthatsecurethepivotsupport brackettothefuel-tankange(Figure16).

6.Securethewalkwaytothewalkwaysupportbracket withthelockingpin(Figure16).

InstallingtheHandRailand theSeat

Partsneededforthisprocedure:

1Handrail

Seat

Flangebolts(8x25mm)

Flangenuts(8mm)

Bolts(5/16x7/8inch)

Lockwasher(5/16inch)

Procedure

1.Aligntheholesinthebracketforthehandrailwiththe holesintheseatpost(Figure17).

Figure17

1.Seatpost5.Bolt—5/16x7/8inch(4)

2.Flangenut(8mm)6.Lockwasher(5/16inch)

3.Handrail

4.Flangebolt(8x25mm)8.Seat

2.Securethehandrailtothebracketoftheseatpostwith 2angebolts(8x25mm)and2angenuts(Figure17).

3.Aligntheholesofthebottomoftheseatwiththeholes inthebracketontheseatarm(Figure17).

4.Applymedium-grade(serviceremovable) thread-lockingcompoundtothe4bolts(5/16x7/8 inch)fromlooseparts.

5.Securetheseattothesupportoftheseatpostwith4 bolts(5/16x7/8inch)and4lockwashers;referto

Figure17.

7.Seatsupport

Page 16

InstallingtheStabilizers

Partsneededforthisprocedure:

Stabilizer

Pin(1-1/2x8inch)

Snapring(1-1/4inch)

Procedure

1.Lubricatetheinsidediameterofthe1-1/4-inchand 1-1/2-inchbushingsofthestabilizerswithgreaseatthe frontandbackplatesofthebackhoe(Figure18).

Figure19

Figure18

2.Lubricatetheinsidediameterofthe1-1/4-inchand 1-1/2-inchpivotpointwithgreaseatthefrontand backsideplatesofthestabilizers(Figure18).

3.Lubricatetheinsidediameterofthe1-1/4-inchholes withgreaseatbothendsofthehydraulicactuators (Figure18).

1.Snapring(1-1/4inch)

2.Pin(1-1/2x8inch)4.Stabilizer

5.Insertapin(1-1/2x8inch)throughtheholesinthe backhoeframeandthestabilizer(Figure19).

6.Securethepinwith2snaprings(1-1/4inch)asshown inFigure19.

7.Repeatsteps4through6toinstalltheotherstabilizer totheothersideofthebackhoeframe.

3.Lowerbushings

4.Alignthepivotpointatthefrontandbacksideplates ofoneofthestabilizerstothelowerbushingsinthe backhoeframe(Figure19).

Page 17

InstallingtheStabilizer ActuatorsandHoses

Partsneededforthisprocedure:

Cylinder

Pin(1-1/4x8inch)

4Bushing

Pin(1-1/4x6inch)

Washer(1-3/8inch)

Snapring(1-1/8inch)

90°hydraulictting(3/8inch)

Cabletie

InstallingtheHydraulicActuators

Note:Theweightofeachcylinderis31.6kg(69.6lb).

1.Attachthehydraulicactuatortothebackhoeasfollows:

A.Ensurethatthestabilizerisrestingonthefoot

pad.

B.Insertapin(1-1/4x8inch)throughtheupper

bushingintheforwardplateofthebackhoeframe (Figure20).

Note:Allowthepintoextendabout25mm(1 inch)beyondthebushing.

Figure20

1.Snapring(1-1/8inch)

2.Pin(1-1/4x8inch)partially insertedintotheforward plate

3.Bushing

4.Cylindertting8.Washer(1-3/8inch)

C.Slipabushing(fromthekit)overtheshort

segmentofthepin(Figure20).

D.Alignthemountingholesofthecylindertting

(nearthehydraulicport)ofthehydraulicactuator tothepin(1-1/4x8inch),andmovethepin throughthemountingholes(Figure20).

5.Plug

6.Pin(1-1/4x6inch)

7.Pistontting

Note:Ensurethatthehydraulicportsofthe cylinderarepositionedupward.

E.Continueinsertingthepinthroughthecylinder

tting(Figure20).

Note:Theactuatorshouldbepartiallysupported bythepin.

F.Alignabushing(fromthekit)betweentherear

mountingholeofthecylinderttingandthe bushinginthebackplatesofthebackhoe(Figure

20).

G.Continueinsertingthepinthroughthebushing

andthebushinginthebackplatesofthebackhoe (Figure20).

2.Attachthehydraulicactuatortothestabilizerasfollows:

A.Insertapin(1-1/4x6inch)throughthepivot

pointofthestabilizer(Figure20).

Page 18

Note:Allowthepintoextendslightlythrough thepivotpoint.

B.Slipa3washers(1-3/8inch)overtheshort

segmentofthepin(Figure20).

C.Removetheplugsfromtheportsofthecylinder

andcovertheholeswithacleanrag(Figure20).

D.Extendthepistonttingofthecylindertothe32

mm(1-1/4inch)pivotpointofthestabilizer.

Note:Residualhydraulicuidmayejectfrom thecylinderports.

E.Continueinsertingthepinthroughthepiston

ttingofthecylinder(Figure20).

F.Align3washers(1-3/8inch)betweenthepiston

ttingofthecylinderandtheotherpivotpointof thestabilizer(Figure20).

G.Continueinsertingthepinthroughthewashers

andthepivotpointofthestabilizer(Figure20).

3.Securethe2pin(1-1/4x8inch)with4snaprings (1-1/8inch)asshowninFigure20.

4.Repeatsteps1through3forthehydrauliccylinderfor theotherstabilizer.

Figure22

1.Extendhose3.Retracthose

2.Cableties

3.Routetheextendandretracthosestothettingsthat youinstalledinstep1.

4.Connecttheextendhosetothettingintheextend port,andconnecttheretracthosetothettinginthe retractport(Figure23).

AttachingtheHosestotheHydraulic Actuators

1.Installthe2hydraulicttings(3/8inch,90°)intothe hydraulicportsoftheactuator(Figure21).

Note:Ensurethatthettingspointtowardeachother (Figure21).

Figure21

1.90°hydraulicttings

2.Removethehosesfrominsidethepocketsforthe stabilizermountingpoint(Figure22).

Figure23

1.Extendhose2.Retracthose

5.Securethehydraulichosestothecylinderofthe actuatorwithcabletiesasshowninFigure22and

Figure23.

6.Repeatsteps1through5fortheothersideofthe backhoe.

Page 19

InstallingtheHydraulic PressureandReturnHoses

Partsneededforthisprocedure:

Clamp

Bolt(3/8x1inch)

Washer(3/8inch)

Locknut(3/8inch)

Hose(3/4x40-1/2inch)

90°hydraulictting(3/4inch)

Procedure

1.Placeadrainpanunderthehydraulic-shunttting thatconnectsthebulkheadttingsforthehydraulic pressureandreturncircuitsofthemachine(Figure24).

Figure25

1.Hydraulic-pressurehose

2.Hydraulic-returnhose7.Hydraulic-returntube

3.Hydraulic-tubebracket

4.Clamps9.Bolt(3/8x1inch)

5.Hydraulic-pressuretube

6.Locknut(3/8inch)

8.Washers(3/8inch)

Figure24

1.Bulkheadtting

2.90°hydraulictting(3/4 inch)

3.Shunttting

2.Removetheshuntttingandlooselyinstallthe2 hydraulicttings(3/4inch,90°)ontothebulkhead ttings(Figure24).

Note:Retaintheshuntttingsothatyoucaninstallit whenyouremovethebackhoe.

3.Routethe2hydraulichosesthroughthehosesupport ontherightbackhoemountingplateasshownin

Figure25.

4.Hosesupport

5.Hydraulic-pressuretube

6.Hydraulic-returntube

4.Connectandtightenthe2hosestothehydraulic pressureandsupplytubesthatalignverticallyrearward oftheright-mountingplateforthebackhoe(Figure25).

5.Assemblethe2tubeclampstothehydraulicpressure andsupplytubes,andsecurethemtothetubebracket withabolt(3/8x1inch)andlocknut(3/8inch)as showninFigure25.

6.Connectandtightenthefreeendsofthehosestothe 90°hydraulicttingthatyouinstalledinstep2.

7.Alignandtightenthe2elbowttingsatthebulkhead ttings.

8.Tightenthettingsofthehosesatthepressuretube, thereturntube,andthe2elbowttings.

Page 20

RoutingandConnectingthe WiringHarnessontothe Backhoe

NoPartsRequired

Procedure

1.Removethe4boltsand4washersthatsecurethe controlscovertotheoperatorpedestalofthebackhoe, andremovethecover(Figure26).

Figure27

Figure26

1.Operatorpedestal

2.Controlscover

2.Routethebackhoeharnessupwardandalongthe 2leftmosthydraulichosesatthebackplateofthe backhoe(Figure27).

3.Washer

4.Bolt

1.Backhoewiringharness

2.Forward

3.Two-socketconnector7.Hydraulichoses

4.Seat-posttube

3.Routetheharnessupwardandbetweentheleftand rightconsole-supportplatesoftheoperatorpedestal (Figure27).

4.Routethebranchoftheharnesswitha2-socket connectorthroughthetubeoftheseatpost(Figure27).

5.Connectthe2-socketconnectorofthebackhoewiring harnesstothe2-pinconnectoroftheoperatorpresence switch(Figure28).

Note:Ensurethatthereisenoughslackinthebranch oftheharnessfortheoperator-presenceswitchatthe forwardendoftheseatpost.

5.Console-supportplate (left)

6.Console-supportplate (right)

8.Hydraulic-bulkheadplate

1.Operator-presenceswitch

Figure28

2.Two-pinconnector, backhoewiringharness

Page 21

6.Routethebranchofthewiringharnesswiththe

G023512

G023522

2-forkedelectricalterminalsforwardofthehydraulic manifoldandhoses,andthenrouteittotheright (Figure28).

Figure30

Bottomview

Figure29

1.E-stopswitch3.Forkedterminals

2.Hydraulicmanifold

7.Connectthe2-forkedelectricalterminalstoterminals AandBwiththeterminalscrewsandthesaddle washersoftheE-stopswitch,andtightenthescrews (Figure30).

4.Backhoe-wiringharness

1.TerminalscrewA

2.E-stopswitch4.TerminalscrewB

3.Saddlewashers

InstallingtheE-StopSwitch

Partsneededforthisprocedure:

1E-stopswitch

Procedure

1.DisassembletheE-stopswitchasfollows:

A.RemovethebuttoncoverfromtheE-stopbutton

().

Figure31

1.Buttoncover4.Jamnut

2.Screw5.C-clip

3.E-stopbutton6.E-stopswitch

Page 22

B.RemovethescrewthatsecurestheE-stopbutton

totheE-stopswitch,andremovethebutton (Figure31).

C.RemovetheC-clipandthejamnutfromthebody

oftheE-stopswitch(Figure31).

2.InstalltheE-stopswitchasfollows:

A.Locatethealignmenttangonthebodyofthe

E-stopswitch(Figure32).

E.AlignthesquarerecessinthebackoftheE-stop

buttontothesquarettingoftheE-stopswitch.

F.SecuretheE-stopbuttontotheswitchwiththe

screw(Figure32)thatyouremovedinstep1-B.

G.Installthebuttoncover(Figure32)thatyou

removedinstep1-Aintothescrewpocketinthe E-stopbutton.

InstallingtheControlsCover andthePanels

NoPartsRequired

Procedure

1.Aligntheholesofthecontrolscoverwiththeholesin theoperatorpedestalofthebackhoe(Figure26).

Figure32

1.E-stopswitch

2.Alignmenttang

3.Notchinthehole8.E-stopbutton

4.Jamnut

5.Squaretting

B.Aligntheswitchfromtheinsideofthecontrol

coverandthroughtheholeintheupperright corner(Figure32).

6.C-clip

7.Groove

9.Screw

10.Buttoncover

2.Addmedium-grade(serviceremovable)thread-locking compoundtothe4boltsthatyouremovedinstep1of

10RoutingandConnectingtheWiringHarnessonto theBackhoe(page19).

3.Securethecovertothepedestalwiththe4boltsand4 washers(Figure26)thatyouremovedinstep1of10

RoutingandConnectingtheWiringHarnessontothe Backhoe(page19).

4.RotatethebatterydisconnecttotheOnposition;refer tothetractionunitOperator’sManual.

5.Installtheleft-andright-sidepanelsandthenose panel;refertothetractionunitOperator’sManual.

Note:Ensurethatthealignmenttangonthe E-stopswitchalignswiththenotchinthehole fortheswitch.

C.Securetheswitchtothepanelwiththejamnut

(Figure32)thatyouremovedinstep1-C.

D.InstalltheC-clip(Figure32)thatyouremoved

instep1-Cintothegrooveinthebodyofthe E-stopswitch.

Page 23

BleedingtheHydraulicSystem

NoPartsRequired

Procedure

WARNING

Co-workersandbystandersnearthemoving attachmentpartscomeintocontactwithan attachmentpart,causingseriousinjuryordeath.

Beawareofwhereotherworkersareinthearea whileyouarebleedingthehydraulicsystem,and keepothersawayfromthearea.

1.Iftheswinglockforthebackhoeboomisset,release thelockbypushingtheswing-lockpedaldown, pushingthepedalforward,andallowingthepedalto riseupintotheforwardnotch.

Figure33

1.Swing-lockpedal(locked position)

2.Swing-lockpedal (unlockedposition)

Figure34

1.Boom-latchhandle

3.Carefullylowertheliftingequipmentandremoveit fromthebackhoe.

4.Settheparkingbrakeandensurethatallthecontrols areintheNeutralposition(theneutralindicatorlamp isilluminated).

5.Startthemachine,andsettheenginespeedissetto 1/4throttle.

6.Movetotheoperatorseatofthebackhoe.

7.Moveeachstabilizercontrolupanddownseveral timestomovethestabilizersthroughitsfullrangeof movement(Figure35).

2.Iftheboomlockforthebackhoeboomisset,release thelockbypullingtheboom-latchhandlerearward.

Page 24

1.Left-stabilizercontrol

Figure35

2.Right-stabilizercontrol

Figure36

1.Bucketanddippercontrol(bucketmovement)

8.Movebothstabilizerstothedownposition(Figure35).

9.Movethebackhoecontrolsasfollows:

•Movethebucketcontroltocurlandextendthe

bucketseveraltimestomovethebucketthrough itsfullrangeofmovement.

•Movethedippercontroltoextendandretractthe

dipperseveraltimestomovethedipperthroughits fullrangeofmovement.

Page 25

1.Bucketanddippercontrol(dippermovement)

Figure37

Figure38

1.Boomcontrol(elevationmovement)

•Movetheboomelevationcontrolupanddown

severaltimestomovetheboomthroughitsfull rangeofmovement.

•Movetheboomswingcontrolleftandrightseveral

timestomovetheboomthroughitsfullrangeof movement.

Page 26

andthentotheright(extendor“crowdout”the bucket);refertoFigure36.

Note:Thebucketshouldnotmove.

C.Sitinthebackhoeoperatorseat.

D.Movethebucketanddippercontroltotheleft

andthentotheright(Figure36).

Note:Thebucketshouldcurlandthenextend.

E.PresstheE-stopbutton(Figure40).

Note:Theengineofthetractionunitshould stop.

Figure39

1.Boomcontrol(swingmovement)

10.Movetheboomtothetransportposition;refertothe

TransportingtheMachine(page36).

TestingtheOperator-Presence SwitchandtheE-StopSwitch

NoPartsRequired

Procedure

Important:Ifyourmachinefailsanyofthefollowing

tests,donotoperatethemachine;contactanAuthorized ServiceDealer.

1.Atthebackhoeoperatorpanel,performthefollowing tests:

Figure40

1.E-stopbutton

2.ReleasetheenginestopswitchbypullinguptheE-stop button.

3.RotatethekeyswitchonthemachinetotheOff position.

A.Standonthewalkway.

B.Movethebucketanddippercontrol(theleftmost

control)totheleft(curlor“crowdin”thebucket)

Page 27

LubricatingtheStabilizers

NoPartsRequired

Procedure

1.Raisethestabilizers.

2.Cleanthegreasettings(Figure41)witharag.

ProductOverview

Figure42

1.Dipper5.Handrail

2.Boom6.Walkway

3.Boom-latchhandle7.Bucket

4.Controls8.Leftstabilizer

Figure41

3.Connectthegreaseguntothegreasettings,andapply 2or3pumpsofgreasetoeachtting.

4.Wipeupanyexcessgrease.

5.Lowerthestabilizers.

Figure43

1.Seat4.Operatorconsole

2.Swing-lockpedal

3.E-stopbutton6.Rightstabilizer

5.Foothold

Controls

BoomControls

BoomExtensionControlLever

•Movetheleverforwardtolowertheboom(Figure44).

•Movetheleverrearwardtoraisetheboom(Figure44).

Page 28

E-StopSwitch

Usetheremoteengineshutoffcontrolknobtostopthe enginewhenyouareinthebackhoeoperator’sseat.

•Pushdownonthecontrolknobtostoptheengine

(Figure44).

•Pulluponthecontrolknobbeforere-startingtheengine

(Figure44).

Note:Theenginewillnotstartifthecontrolknobisnot pulledupintheResetposition.

Figure44

1.Boomextensionandswing controllever

2.Leftstabilizercontrollever

3.Rightstabilizercontrol lever

BoomSwingControlLever

4.Dipperextensionand bucketcontrollever

5.E-stopswitch

•Movethelevertothelefttoswingtheboomtotheleft

(Figure44).

•Movethelevertotherighttoswingtheboomtotheright

(Figure44).

StabilizerControls

•Movetheleft-stabilizerleverforwardtolowertheleft

stabilizer(Figure44).

•Movetheleft-stabilizerleverrearwardtoraisetheleft

stabilizer(Figure44).

•Movetheright-stabilizerleverforwardtolowertheright

stabilizer(Figure44).

Swing-LockPedalandBoom-Lock Handle

Swing-LockPedal

Usetheswing-lockpedaltolocktheboom,thedipper,and thebuckettothetransport(straightforward)position(Figure

45).Usetheswing-lockpedaltounlocktheswinglockafter

transportingthemachineorbeforeoperatingthebackhoe.

•Tolocktheswinglock,movethepedaldown,rearward,

andthenup.

•Tounlocktheswinglock,movethepedaldown,forward,

andthenup.

•Movetheright-stabilizerleverrearwardtoraisetheright

stabilizer(Figure44).

DipperandBucketControls

DipperExtensionControlLever

•Movetheleverforwardtomovethedipperout(Figure

44).

•Movetheleverrearwardtomovethedipperin(Figure

44).

BucketControlLever

•Movethelevertothelefttocurl(load)thebucket(Figure

44).

•Movethelevertotherighttodump(unload)thebucket

(Figure44).

1.Swing-lockpedal(locked

Figure45

position)

2.Swing-lockpedal (unlockedposition)

Page 29

Boom-LockHandle

Usetheboom-lockhandletoreleasethelockfortheboom andallowtheboomtomovefromthetransport(upright) position(Figure46).Pulltheboom-lockhandlerearwardto unlocktheboomlock.

Specications

Figure47

1.Boomlock

Figure46

Reachfromcenterlineof frontaxleofthemachine

Diggingreachfromswing pivot

Diggingdepth(maximum)222cm(87in)

Diggingdepth,0.6m(2foot) atbottomtrench

Diggingdepth,2.4m(8foot) atbottomtrench

6.Loadingheight

Loadingreach

Overallheight(maximum)422cm(166in)

Weightofbackhoeattachment:938.5kg(2069lb)

429cm(169in)

34cm(136in)

215cm(85in)

203cm(80in)

224cm(88in)

155cm(61in)

Page 30

Operation

Determinetheleftandrightsidesofthemachinefromthe normaloperatingposition.

Thebackhoecontrolsconsistsof4leversand1button.The leftlevercontrolstheboomandtheswing;the2middle leverscontroltheleftandrightstabilizers,andtherightlever controlsthedipperandthebucket.Thefartheryoumovea leverbeyondtheNeutralposition,thefasterthecomponent responds.TheE-stopknobisusedtoshutdownthemachine inanemergency.

UsingtheStabilizers

ControllingtheStabilizerArms

Youcancontrolthestabilizerarmsbymovingtheleft andrightlevers;refertoRaisingtheStabilizers(page30) andLoweringtheStabilizers(page30).Movingthelevers downwardlowersthestabilizerarms;movingthelevers upwardraisesthestabilizerarms.

3.Pushthestabilizercontrolforwarduntilthestabilizers hasremovedtheweightofthemachinefromthefront wheelsslightly(Figure48).

PositioningtheStabilizerArms

CAUTION

Whenexcavatingwithabackhoeonaslope,one stabilizermaybelowerthantheother,causing anunstablesetupthatcouldresultinatip-over accident.

Alwaysdumpthebucketandplacethespoilonthe uphillsideoftheexcavation.

•Lowerthestabilizerarmstoremovetheweightofthe

backhoefromthefrontwheels,butkeepatleast1wheel inlightcontactwiththeground.Thisallowsthewidest stanceandalowercenterofgravityforoperatingthe backhoe.

•Keepingthefrontwheelslowallowsyoutodigatagreater

depthandreducesthestressonthebackhoecomponents.

•Onsteepslopes,levelthesurfacewithaloaderandplace

thespoilpileonthedownhillsideoftheslope.Packthe spoilsothatitsupportsthestabilizerarmgoingintoit. Usecanalsousethistechniquewhenyouareexcavating nearanobstruction,suchasawall,thatisontheuphill sideoftheexcavation.

Figure48

1.Leftstabilizercontrol

4.Asnecessary,adjusteachstabilizerindividuallytolevel themachine.

5.Releasethestabilizercontrols.

2.Rightstabilizercontrol

LoweringtheStabilizers

1.Settheenginespeedofthemachineto1/2to3/4 throttle.

2.Movetothebackhoeoperator’sseat.

3.Pullthestabilizercontrolbackwarduntilthestabilizer hasmovedtothefullyuprightposition(Figure49).

RaisingtheStabilizers

Raisethestabilizersasfollows:

1.Settheenginespeedofthemachineto1/4throttle orhigher.

2.Movetothebackhoeoperator’sseat.

Page 31

UsingtheBoomandSwing Locks

UnlockingtheBoomLock

1.Pushtheboomcontrolforward(Figure50).

Figure49

1.Leftstabilizercontrol

4.Releasethestabilizercontrols.

2.Rightstabilizercontrol

Figure50

1.Boomcontrolforward

2.Boom-latchhandle rearward

2.Pulltheboom-latchhandlerearward(Figure50).

3.Pulltheboomcontrolrearward;thebackhoewillmove outofthetransportlockedposition(Figure50).

Important:Alwaysoperatethebackhoewhile seatedinthebackhoeoperator’sseat.

3.Boomcontrolrearward

LockingtheBoomLock

Note:Youmustlocktheboom,thedipper,andthebucket

beforeyoucansafelytransportthebackhoe.Referto

UnlockingtheSwingLock(page32).

1.Rotatethebucketup(crowdedin)completely;referto

ControllingtheDipperandtheBucket(page35).

2.Retractthedipper(crowdedin)completely;referto

ControllingtheDipperandtheBucket(page35).

3.Pulltheboom/swingcontrolrearward(Figure51).

Note:Thebackhoeboomwillmovetowardyou(past theverticalposition).

Page 32

Figure51

4.Whentheboomreachestheverticalposition,rapidly movetheboom/swingcontrolstraightforward(Figure

51).

2.Movetheswing-lockpedalforwardandreleasethe pedal(Figure52).

LockingtheSwingLock

Note:Youmustcentertheboom,thedipper,andthebucket

lefttorightandlockthembeforeyoucansafelytransportthe backhoe.RefertoLockingtheBoomLock(page31).

1.Raiseandcentertheboom,thedipper,andthebucket; refertoControllingtheDipperandtheBucket(page

35).

2.Swingtheboom,thedipper,andthebuckettothe centerpoint,betweenleftandright.

3.Pushtheswing-lockpedaldown(Figure53).

Note:Theboomwillmovetowardyouuntilitreaches themechanicalstop.

Note:Theboomlockwillautomaticallyengagethe boom.

5.Releasetheboom/dippercontrol(Figure51).

UnlockingtheSwingLock

1.Pushtheswing-lockpedaldowntoreleasethe swing-lockcontrol(Figure52).

Figure53

1.Swing-lockpedal(locked position)

2.Swing-lockpedal (unlockedposition)

4.Movetheswing-lockpedalrearwardandreleasethe pedal(Figure53).

1.Swing-lockpedal(locked position)

Figure52

2.Swing-lockpedal (unlockedposition)

Page 33

PreparingtoUsetheBackhoe

BeforeDiggingwiththeBackhoe

BeforeOperatingtheBackhoe

ServiceInterval:Beforeeachuseordaily

Important:Thebackhoeisnotacraneandshouldnot beusedasone.Donotusethebackhoeasalifting device.

WARNING

Bystandersunseenbytheoperatormaybetooclose tothemachine,andthemachineordebristhrown fromthemachinemaycauseseriousinjuryordeath.

Beforeoperatingthemachineinanareawith reducedvisibility,installaguardrailandwarning signstokeepothersawayfromthemachine.

WARNING

Operatingthemachinewhilenotseatedis dangerousandcouldresultinseriousinjuryor death.

WARNING

Co-workersandbystandersneartheworkingsite couldcomeintocontactwiththemachineorthrown debris,causingseriousinjuryordeath.

Beawareofwhereotherworkersareinthearea, andkeepothersawayfromtheworkarea.

Stayintheoperator’sseatwheneveryouoperatethe machine.

Thebackhoecandigmorematerialinlesstimewhenyouuse asmooth,shortdigcycle;keepeachdigcyclesmooth.

Note:Beforeyouoperatethebackhoeforthersttime,read andunderstandtheseinstructions.Thenmovethemachine toanopenarea,runtheengineat1/3throttle,andactuate eachbackhoecontrolleveruntileachmovementissmooth.

1.Checkthehydraulicsystem.

Note:Thebackhoeoperatesbymeansofthe hydraulicsystemonthetractionunit.Forinformation oncheckingthehydraulicuidlevelandthepressure andreturnlters,refertoyourtractionunitOperator’s Manual.

2.Checkallhardware,andtorqueanyloosefastenersas needed.

3.Whiletheengineisoffandthebucketisontheground, checkallhydraulichosesfordamageorwear.

Note:Checkforanyhydraulicuidleaksandensure thatallhosettingsaretight.

Figure54

1.Dangerarea

Important:Beforeyouoperatethebackhoe,ensurethat eachcontrolisfunctioningproperly;makeallnecessary repairsoradjustmentsbeforeyouoperatethebackhoe.

1.Identifythelocationofallundergroundcables, pipelines,andoverheadelectriclinesinthearea.

2.Removealllargerocks,stumps,orotherobstructions beforeyoubegindigging.

3.Alignthemachinewiththenewdiggingarea.

4.Beforeleavingtheoperator’sseatforthemachine, performthefollowing:

A.Putthegrounddriveandattachmentcontrolsin

theNeutralposition.

Note:Theneutralindicatorlightshould illuminate.

B.Settheparkingbrake.

Note:Theparkingbrakelightshouldilluminate.

C.Adjusttheenginespeedbetween1/2to3/4

throttle,andsetthethrottlelock.

5.Holdontothehandrailsandusethewalkway(Figure

55)togotothebackhoeoperator’sseat.

Page 34

Figure55

1.Handrails3.Walkway

2.Foothold

6.Lowerthestabilizerstotheground,andlifttheweight ofthemachineoffthefronttires;refertoLowering

theStabilizers(page30).

ControllingtheBackhoe

ControllingtheBoomandtheSwing

Youcancontroltheboomandtheswingofthebackhoeby operatingtheleftlever(Figure56)asfollows:

•Pushthisleverforwardtolowertheboom;pullit

rearward(towardyou)toraisetheboom.

•Movethislevertothelefttoswingthebuckettotheleft;

moveittotherighttoswingthebuckettotheright.

Figure56

7.Unlocktheswinglockofthebackhoe;referto

UnlockingtheSwingLock(page32).

8.Takethebackhoeoutofthetransportlockedposition; refertoMovingtheBackhoeintotheTransport

Position(page36).

1.Boomextensionandswingcontrollever

Note:Bymovingtheleverinan“X”patternratherthan merelya“+”pattern,youcanraiseorlowerandswing thebackhoeatthesametime(Figure57).

Figure57

1.Boomextensionandswingcontrollever

Page 35

ControllingtheDipperandtheBucket

Youcancontrolthedipperandthebucketbyoperatingthe rightlever(Figure58)asfollows:

•Pushthisleverforwardtoextend(“crowdout”)the

dipperandtheboom;pullitrearward(towardyou)tocurl (“crowdin”)thedipperandtheboom.

•Movethislevertothelefttocurl(“crowdin”)thebucket

tollit;movethelevertotherighttodumpthebucket.

Figure58

DiggingwiththeBackhoe

FillingtheBucket

Fillthebucketbyoperatingthedipper,theboom,andthe bucketasnecessarytokeepthebottomofthebucketparallel withthecut(Figure60).

1.Dipper/bucketcontrol

Note:Bymovingtheleverinan“X”patternratherthan merelya“+”pattern,youcancurlinandfullthebucketor extend(“crowdout”)anddumpthebucketatthesametime (Figure59).

Note:Withexperience,youwillbeabletousebothleversat thesametimewithease,liftingorlowering;swingingleftor right;andllingordumpingallinonesmoothmotion.

Figure60

1.Correct(thebucketis parallelwiththecut)

2.Wrong(thebucketwilldig inandcauseastall)

3.Wrong(thebucketis pushedup,resultingina slowcycletime)

Allowthebucketteethandcuttingedgetocutthroughthe groundlikeaknifeblade(Figure61).Thetypeofmaterial thatyouarediggingdeterminesthedepthofthecut.

Note:Donotbackllatrenchbyswingingthebackhoe bucketagainstthesoil;instead,usethebackllblade.

1.Dipper/bucketcontrol

Figure59

Page 36

3.Raisetheswing-lockpedaltolockit;refertoLocking

theSwingLock(page32).

4.Rotatethebucketcompletelyinandretractthedipper; refertoControllingtheDipperandtheBucket(page

35).

5.Locktheboomtotheuprightposition;referto

LockingtheBoomLock(page31).

Note:Thebackhoeboomwillmovetowardyou(past verticalposition)duringthisprocedure.

6.Raisethestabilizerscompletely;refertoRaisingthe

Stabilizers(page30).

MovingtheMachineRearwardwhile DiggingwithaBackhoe

1.Raisethestabilizersandthebucketabovetheground; refertoRaisingtheStabilizers(page30).

2.Gobacktothemachineoperator’sseat.

Figure61

DiggingaStraightWall

1.Stripthetopsoiloffthegroundwithintheboundaries markedforastraightholeorgrave.

2.Removeasmuchmaterialwithintheboundariesas possibleusingtheusualdiggingtechniques.

3.Makeaverticalfarwallbycrowdingoutthebucket whileforcingitdownwiththeboom.

4.Curlthebuckettoensurethatthebottomofthebucket remainsverticalwhenyoumakethedownwardcut.

5.Makeaverticalnearwallbyraisingtheboomwhile crowdingitin.

Note:Curlthebucketinwardtokeepthecuttingedge horizontalwiththenearwallasyouraisethebucket andremovethesoil.

Note:Whenyouarenishingastraightwallinsandy soil,useaplatformunderthereartiresandstabilizers todistributetheweightofthebackhoeoveralarger areatoreducethechanceofacave-in.

Note:Youmustbeseatedintheoperator’sseatbefore movingthemachine;otherwise,theenginewillstop in1second.

3.Releasetheparkingbrake.

4.EnsurethatthetransmissionisintheW orkposition.

5.Movethemachinerearwardtoanewposition.

6.EnsurethatthegrounddrivecontrolisintheNeutral positionandthattheneutralindicatorlightison.

7.Settheparkingbrake.

8.Returntothebackhoeoperator’sseat.

9.Lowerthestabilizerstotheground,andremovethe weightofthemachineoffthetires;refertoLowering

theStabilizers(page30).

TransportingtheMachine

LoadingandUnloadingtheMachine

Important:Ensurethatthetrailerandtherampcan

supporttheweightofboththetractionunitandthe attachment(938.5kgor2069lb).

1.Blockthefrontandrearwheelsofthetransportvehicle.

MovingtheBackhoeandthe Machine

MovingtheBackhoeintotheTransport Position

1.Decreasetheenginespeedto1/4throttle,andensure thatthestabilizersareontheground.

2.Swingtheboomtothecenter.

Figure62

2.Movethebackhoeandthestabilizerstothetransport position;refertoMovingtheBackhoeintothe

TransportPosition(page36).

Page 37

3.Slowlydrivethemachineontothetransportvehicle.

4.Settheparkingbrakeonthemachine.

5.Atthebackhoeconsole,releasetheboomlockand lowertheboomandthedipperuntilthebucketis restingonthedeckofthetransportvehicle(Figure62).

6.Stoptheengineandremovethekey.

SecuringtheMachinetotheTransport Vehicle

1.Fastenthebackhoetothetrailerusingchainsand binders(Figure62).

Note:Usethetiedownpointsonthemountingplates forthebackhoe.

2.Fastenthebackofthemachinetothetrailerusing chainsandbinders(Figure62)

Note:Usetherearaxletosecuretherearofthe machine.

3.Secureblockingtothedeckofthetransportvehiclein frontofthetiresandbehindthetiresofthemachine (Figure62).

theboom,anddumpthebucketinthespoilareaonthe highside(ifthereisone)ofthetrenchorexcavation.

•Carefullyplanwhereyouwilldepositthespoilthatyou

removefromtheexcavation.Thelocationofthespoil pilewilldependonwhattypeofexcavationyouare conducting.

•Tokeeptheheightofthespoilpilelow ,movethefull

buckettowardthespoilpile,lowerthebucketintothe topofthepile,anddumpthecontentsandcrowdoutat thesametime.Asthebucketdumps,thebottomofthe bucketwillpushthetopofthepileoffandbehind,safely awayfromtheexcavation.

•Whenyouaretransportingthemachinewithanattached

backhoeorwhenyouareusingthebackllblade,lock theboomandswingofthebackhoetopreventitfrom moving.

•Wheneveryouloadthemachinewiththebackhoeontoa

trailer,releasetheboomlock,lowerthebackhoebucket ontotheoorbedofthetrailer,shuttheengineoff,and removethekey.

OperatingTips

CAUTION

Diggingunderthestabilizerarms,diggingunder thetractionunit,ordigginginsoftand/orwet groundmaydisturbthestabilityoftheground beneaththemachine,whichcouldresultina tip-overaccident.

•Donotusethebackhoetodigunderthe stabilizerarmsorunderthetractionunit.

•Donotdiginsoftorwetsoilconditions.

CAUTION

Placingalarge,heavyspoilpiletooclosetheedge oftheexcavationcouldcauseacave-in,resulting inpossiblepersonalinjuryanddamagetothe equipment.

Donotplacethespoilpiletooclosetothe excavation.

•Lowerthebuckettotheground,thencurlthebucket

untiltheteethareatontheground,retractthedipper, dragthebucketthroughthetrenchuntilitthebucket abouthalffull.Thencurlthebucketasyoucrowditin untilthebucketiscompletelyfull;raisethebucket,swing

Page 38

Maintenance

LubricatingtheBackhoe

ServiceInterval:Beforeeachuseordaily

GreaseType:Lithium-basedgrease.

GreasingtheFittingontheRightSide oftheBackhoe

1.Cleanthegreasettingswitharag(Figure63,Figure

64,andFigure65).

2.Connectthegreaseguntothegreasettingsforthe upperandlowerpivots;apply2or3pumpsofgrease toeachtting(Figure63,Figure64,andFigure65).

3.Wipeupanyexcessgrease.

Figure65

Figure63

GreasingtheFittingontheLeftSideof theBackhoe

1.Cleanthegreasettingswitharag(Figure66,Figure

67,andFigure68).

2.Connectthegreaseguntothegreasettingsforthe upperandlowerpivots;apply2or3pumpsofgrease toeachtting(Figure66,Figure67,andFigure68).

3.Wipeupanyexcessgrease.

Figure66

Figure64

Page 39

Figure67

RaisingandLoweringtheSeat

RaisingtheSeat

1.Removethehairpinfromtheseat-lockpin(Figure69).

Figure69

Figure68

1.Seat-lockpin

2.Hairpin

2.Removetheseat-lockpinfromthemountingplates andtheseatpost(Figure70).

Figure70

1.Mountingplate

2.Seat-lockpin

3.Seatpost

4.Handrail

3.Liftuponthehandrailthatisattachedtotheback oftheseat,andpivottheseatupandforwarduntil thebottomoftheseatpostisabovetheholesinthe mountingplates(Figure70).

Page 40

4.Fullyinserttheseat-lockpinthroughtheholesinthe mountingplates(Figure70).

Storage

5.Installthehairpinintotheholeintheseat-lockpin (Figure69).

LoweringtheSeat

1.Removethehairpinfromtheseat-lockpin(Figure69).

2.Removetheseat-lockpinfromthemountingplates (Figure70).

3.Movethehandrail(attachedtothebackoftheseat) downuntiltheholeintheseatpostisalignedwiththe holesinthepivotbrackets(Figure70).

4.Installtheseat-lockpinandthehairpin(Figure69).

•Whenyouarenotusingthebackhoe,storeitindoorsina

cleananddryplace.

Note:Ifyouarenotabletostorethebackhoeindoors, coverthebackhoetokeepmoisture,dirt,anddebris.

•Greaseallexposedcylinderrodstopreventthemfrom

rusting.

•Repairorreplaceanyworn,damage,ormissingpartson

thebackhoe.

•Installdustcapsontothehydraulicnipplestopreventthe

hydraulicsystemfromcontamination.

Page 41

Notes:

Page 42

Notes:

Page 43

Notes:

Page 44

TheToroUndergroundWarranty

ALimitedWarranty

Underground

Equipment

ConditionsandProductsCovered

TheToroCompanyanditsafliate,ToroWarrantyCompany,pursuant toanagreementbetweenthem,jointlywarrantyourToroUnderground Equipment(“Product”)tobefreefromdefectsinmaterialsorworkmanship. Whereawarrantableconditionexists,wewillrepairtheProduct atnocosttoyouincludingdiagnostics,labor,andparts. ThefollowingwarrantyappliesfromthedatetheProductisdeliveredtothe originalretailpurchaserorrentalowner.

ProductsWarrantyPeriod

EnginePoweredUnits&FluidMixers

AllSerializedAttachments RockHammer6months Engines

1yearor1000operatinghours, whicheveroccursrst 1year

Throughenginemanufacturers: 2yearsor2000operatinghours, whicheveroccursrst

InstructionsforObtainingWarrantyService

YouareresponsiblefornotifyingtheUndergroundDealerfromwhomyou purchasedtheProductassoonasyoubelieveawarrantablecondition exists.IfyouneedhelplocatingaUndergroundDealer ,orifyouhave questionsregardingyourwarrantyrightsorresponsibilities,youmay contactusat:

ToroCustomerCare ToroWarrantyCompany

811 1LyndaleAvenueSouth

Bloomington,MN55420-1196 TollFreeat855-493-0088(U.S.Customers) 1-952-948-4318(InternationalCustomers)

OwnerResponsibilities

AstheProductowner,youareresponsibleforrequiredmaintenanceand adjustmentsstatedinyourOperator'sManual.Failuretoperformrequired maintenanceandadjustmentscanbegroundsfordisallowingawarranty claim.

ItemsandConditionsNotCovered

Notallproductfailuresormalfunctionsthatoccurduringthewarranty periodaredefectsinmaterialsorworkmanship.Thiswarrantydoesnot coverthefollowing:

•Productfailureswhichresultfromtheuseofnon-T ororeplacement

parts,orfrominstallationanduseofadd-on,ormodiednon-Toro brandedaccessoriesandproducts.Aseparatewarrantymaybe providedbythemanufactureroftheseitems.

•Productfailureswhichresultfromfailuretoperformrecommended

maintenanceand/oradjustments.Failuretoproperlymaintainyour ToroproductpertheRecommendedMaintenancelistedinthe Operator’sManualcanresultinclaimsforwarrantybeingdenied.

•ProductfailureswhichresultfromoperatingtheProductinanabusive,

negligent,orrecklessmanner.

•Partssubjecttoconsumptionthroughuseunlessfoundtobedefective.

Examplesofpartswhichareconsumed,orusedup,duringnormal Productoperationinclude,butarenotlimitedto:brakes,lters,lights, bulbs,belts,tracksortires,diggingteeth,diggingbooms,digging,

drive,ortrackchains,trackpads,drivesprockets,idlers,rollers, blades,cuttingedges,orothergroundengagingcomponents.

•Failurescausedbyoutsideinuence.Conditionsconsideredtobe

outsideinuenceinclude,butarenotlimitedto,weather,storage practices,contamination,useofunapprovedfuels,coolants,lubricants, additives,water,orchemicals,etc.

•Failureorperformanceissuesduetotheuseoffuels(e.g.gasoline,

diesel,orbiodiesel)thatdonotconformtotheirrespectiveindustry standards.

•Normalnoise,vibration,wearandtear ,anddeterioration.

•Normal“wearandtear”includes,butisnotlimitedto,damagetoseats

duetowearorabrasion,wornpaintedsurfaces,scratcheddecals,etc.

•Haulingexpenses,traveltime,mileage,orovertimeassociatedwith

transportingproducttotheauthorizedT orodealer.

Parts

Partsscheduledforreplacementasrequiredmaintenanceinthe Operator’sManual,arewarrantedfortheperiodoftimeuptothescheduled replacementtimeforthatpart.Partsreplacedunderthiswarrantyare coveredforthedurationoftheoriginalproductwarrantyandbecomethe propertyofT oro.Torowillmakethenaldecisionwhethertorepairany existingpartorassemblyorreplaceit.Toromayuseremanufacturedparts forwarrantyrepairs.

MaintenanceisatOwner’sExpense

Enginetune-up,lubrication,cleaningandpolishing,replacementoflters, coolant,andcompletingrecommendedmaintenancearesomeofthe normalservicesT oroproductsrequirethatareattheowner’sexpense.

GeneralConditions

RepairbyanAuthorizedToroUndergroundDealerisyoursoleremedy underthiswarranty.

NeitherTheToroCompanynorToroWarrantyCompanyisliablefor indirect,incidentalorconsequentialdamagesinconnectionwiththe useoftheToroProductscoveredbythiswarranty,includingany costorexpenseofprovidingsubstituteequipmentorserviceduring reasonableperiodsofmalfunctionornon-usependingcompletion ofrepairsunderthiswarranty.ExceptfortheEmissionswarranty referencedbelow,ifapplicable,thereisnootherexpresswarranty.All impliedwarrantiesofmerchantabilityandtnessforusearelimitedto thedurationofthisexpresswarranty.

Somestatesdonotallowexclusionsofincidentalorconsequential damages,orlimitationsonhowlonganimpliedwarrantylasts,sotheabove exclusionsandlimitationsmaynotapplytoyou.Thiswarrantygivesyou speciclegalrights,andyoumayalsohaveotherrightswhichvaryfrom statetostate.

Noteregardingenginewarranty:

TheEmissionsControlSystemonyourProductmaybecoveredby aseparatewarrantymeetingrequirementsestablishedbytheU.S. EnvironmentalProtectionAgency(EP A)and/ortheCaliforniaAirResources Board(CARB).Thehourlimitationssetforthabovedonotapplytothe EmissionsControlSystemWarranty.RefertotheEngineEmissionControl WarrantyStatementsuppliedwithyourproductorcontainedintheengine manufacturer’sdocumentationfordetails.

CountriesOtherthantheUnitedStatesorCanada

CustomerswhohavepurchasedT oroproductsexportedfromtheUnitedStatesorCanadashouldcontacttheirT oroDistributor(Dealer)toobtain guaranteepoliciesforyourcountry ,province,orstate.IfforanyreasonyouaredissatisedwithyourUndergroundDealer’sserviceorhavedifculty obtainingguaranteeinformation,contacttheToroimporter.

AustralianConsumerLaw:AustraliancustomerswillnddetailsrelatingtotheAustralianConsumerLaweitherinsidetheboxoratyourlocalT oro Dealer.

374-0292RevB