Toro 25452, 25452E Operator's Manual

FormNo.3377-976RevA

Backhoe

RT1200Trencher

ModelNo.25452—SerialNo.314000001andUp
ModelNo.25452E—SerialNo.314000001andUp

Registeratwww.T oro.com.
OriginalInstructions(EN)

*3377-976*A

WARNING

CALIFORNIA

Proposition65Warning

Thisproductcontainsachemicalorchemicals

knowntotheStateofCaliforniatocausecancer,

birthdefects,orreproductiveharm.

ModelNo.

SerialNo.

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

Introduction

Thisattachmentisdesignedtodiginsoiltoburycablingand
pipingforvariousapplications.Itisnotintendedtocutrock,
wood,oranyothermaterialotherthansoil.

Readthisinformationcarefullytolearnhowtooperateand
maintainyourproductproperlyandtoavoidinjuryand
productdamage.Youareresponsibleforoperatingthe
productproperlyandsafely.

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

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

Figure2

1.Safetyalertsymbol

Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanicalinformation
andNoteemphasizesgeneralinformationworthyofspecial
attention.

Figure1

1.Locationofthemodelandserialnumberplate

©2014—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420

Contactusatwww.Toro.com.

2

PrintedintheUSA

AllRightsReserved

Contents

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

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

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

1PreparingtoInstalltheAttachmentontothe

Machine.............................................................7

2InstallingtheBackhoeFrameandSwingTower

ontotheMachine.................................................7

3InstallingtheBackhoeWiringHarness.....................8

4InstallingtheWalkwaytotheMachine......................9

5ConnectingtheControlstotheWiring

Harness.............................................................11

6InstallingtheControlsCoverandthe

Panels...............................................................13

7InstallingtheStabilizers........................................14

8InstallingtheStabilizerHydraulicCylinders..............14

9InstallingtheBoom..............................................15

10InstallingtheBoomHydraulicCylinder.................16

11ConnectingtheHydraulicPressureandReturn

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

12BleedingtheStabilizerCylinders...........................17

13ConnectingtheHydraulicHosestotheBoom

HydraulicCylinder..............................................17

14BleedingtheBoomElevationCylinder..................18

15InstallingtheDipper...........................................19

16InstallingtheDipperHydraulicCylinder................20

17InstallingtheBucket...........................................21

18ConnectingtheHydraulicHosestotheDipper

andBucketHydraulicCylinders............................22

19BleedingtheHydraulicSystem.............................25

20TestingtheOperator-presenceSwitchandthe

E-stopSwitch.....................................................26

21LubricatingtheStabilizers....................................27

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

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

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

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

Swing-lockPinandBoom-lockHandle..................28

Specications........................................................30

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

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

UsingtheBoomandSwingLocks.............................32

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

ControllingtheBackhoe..........................................35

DiggingwiththeBackhoe........................................36

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

TransportingtheMachine........................................37

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

Maintenance.................................................................39

LubricatingtheBackhoe..........................................39

RaisingandLoweringtheSeat..................................41

Storage........................................................................42

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.

3

CAUTION

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

•Weargloveswhenmaintaininghydraulic
components.

•Allowthetractionunitandallattachmentsto
coolbeforetouchinghydrauliccomponents.

•Donottouchhydraulicuidspills.

SafetyandInstructionalDecals

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaofpotential
danger.Replaceanydecalthatisdamagedorlost.

125-6690

1.Wholebodycrushinghazard—keepawayfromthemachine
wheninoperation.

4

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.

1.Driveforward

2.Drivereverse6.Engine—Decreasespeed

125-8476

1.Unlocktheboomonly
whenintheoperating
position.

2.Locktheboombefore
leavingtheoperating
position.

3.ReadtheOperator’s
Manual.

3.Lowerthebackllblade

4.Raisethebackllblade

127-1827

5.Engine—Increasespeed
(rpm)

(rpm)

7.Engine—start

5

Setup

LooseParts

Usethechartbelowtoverifythatallpartshavebeenshipped.

ProcedureDescription

1

2

3

4

5
6

7

8

9

10

11

Qty.

Nopartsrequired

Backhoeframeandswingtower
Bolt(1-1/4inchx3-1/2inches)
Washer(1-1/4inch)
Locknut(1-1/4inch)

Backhoewiringharness1Installthebackhoewiringharness.

Walkway1
Handrail1
Pivotsupportbracket1
Greasetting
Bolt(M12x40mm)
Locknut(M12)
E-stopswitch1
Operator-presenceswitch

Nopartsrequired

Stabilizer
Mountingpin2
Snapring
Stabilizerhydrauliccylinder
Spacer
Cylindermountingpin(1-1/4x7-1/2

inch)
Retainerpin2
Hex-headbolt(3/8x1–1/2inch)
Washer(3/8inch)
Locknut(3/8inch)
Boom1
Boompivotpin2
Hex-headbolt(1/2x2inch)
Washer(1/2inch)
Spacer
Locknut(1/2inch)
Boomhydrauliccylinder1
Boomcylindermountingpin1
Hex-headbolt(3/8x1-1/2inch)
Locknut(3/8inch)
Hydraulichose(0.75x28.3inches)
Hydraulichose(0.75x29.4inches)

–

1
4
4
2

1
5
5

1

–

2

4
2
2

2

2
2
2

2
2
2
2

1
1
1
1

Preparetoinstalltheattachmentonto
themachine.

Installthebackhoeframeandswing
towerontothemachine.

Installthewalkway.

Routeandconnectthecontrolstothe
wiringharness.

Installthecontrolscoverandthepanels.

Installthestabilizers.

Installthestabilizerhydrauliccylinders.

Installtheboom.

Installtheboomcylinder.

Connectthehydraulicpressureand
returnhoses.

Use

12
13

Nopartsrequired

Hydraulichose(0.75x31.5inches)
Hydraulichose(0.75x32.4inches)

6

–

1
1

Bleedthestabilizercylinders.

Connectthehydraulichosestothe
boomhydrauliccylinder.

ProcedureDescription

Qty.

Use

14

15

16

17

18

Nopartsrequired

Dipper1
Dipperpivotpin(2x9-3/4inches)
Tabbedwasher1
Slotted-spannernut(1-3/4inch)
Retainerpin1
Greasetting
Hydrauliccylinder1
Dippercylinderpin(1-1/2x5.83inches)
Snapring
Retainerpin1
Bucket1
Bucketpin2
Snapring
Bolt(3/8x1–1/2inch)
Lockwasher2
Locknut2
Hydraulichose(0.75x63.2inches)
Hydraulichose(0.75x65.6inches)
Hydraulichose(0.75x104.7inches)
Hydraulichose(0.75x108.9inches)
Anglestrap4
Hex-headbolt(5/16x3-1/4inch)
Washer(5/16inch)
Locknut(5/16inch)

–

1

1

2

1
1

2
2

1
1
1
1

4
8
4

Bleedtheboomelevationcylinder.

Installthedipper.

Installthedipperhydrauliccylinder.

Installthebucket.

Connectthehydraulichosestothe
boomhydrauliccylinder.

19

20

21

Important:Ensurethatthereisadequatespacetomove

thestabilizersandthebackhoearmtofullextension
andthatthemachineandtheattachmentsareclearof
obstructions.

Note:Forillustrationsoftheattachmentinstalledonthe
tractionunit,refertoProductOverview(page27).

Nopartsrequired

Nopartsrequired

Nopartsrequired

–

–

–

Bleedthehydraulicsystem.

Testtheoperator-presenceswitchand
theE-stopswitch.

Lubricatethestabilizers.

1

PreparingtoInstallthe AttachmentontotheMachine

NoPartsRequired

Procedure

1.Parkthemachineonalevelsurface.

2.Lowertheattachment(s)totheground.

3.Stoptheengineandremovetheignitionkey.

7

2

InstallingtheBackhoeFrame
andSwingTowerontothe
Machine

Partsneededforthisprocedure:

1

Backhoeframeandswingtower

4

Bolt(1-1/4inchx3-1/2inches)

4

Washer(1-1/4inch)

2

Locknut(1-1/4inch)

Procedure

WARNING

Liftingheavymachinesandattachmentsimproperly
couldresultinseriousinjuryorevendeath.

Whenliftingheavymachinesandattachments,use
liftingequipment,suchaschainsandstraps,thatis
ratedfortheweightoftheequipment.

1.Attachtheliftingequipmenttothebackhoeframeand
swingtowerandsetitinpositionatthefrontofthe
machine(Figure3).

Important:Ensurethattheliftingequipmenthas
aliftingcapacityofatleast1058kg(2,332lb).

Figure3

2.Aligntheholesinthebackplateandthemounting
armsofthebackhoeframewiththemountingholes
inthemachine(Figure4).

Figure4

1.Sidemountingholeonthe
tractionunit(2)

2.Frontmountingholes

3.Holeinmountingarmof
thebackhoe(2)

4.Holesinthebackplateof
thebackhoe

3.Securethebackhoeframeandswingtowertothefront
ofthemachinewith4bolts(1-1/4inchx3-1/2inches),
4washers(1-1/2inch),and2locknuts(1-1/4inch).

Note:Installthe2boltsthroughthefrontmounting
holessothattheboltthreadsappearoutfromthefront
ofthemachine.

4.Torqueall4boltsandnutsto678to813N-m(500
to600ft-lb).

8

3

InstallingtheBackhoeWiring
Harness

Partsneededforthisprocedure:

1Backhoewiringharness

Procedure

1.RotatethebatterydisconnecttotheOffposition;refer
tothetractionunitOperator’sManual.

2.Removetheleft-sidepanelofthemachine;refertothe
tractionunitOperator’sManual.

3.Gototheleftsideofthemachine,locatethebranchof
themachinewiringharnesswitha12-socketconnector
locatedjustinsidetheleftrailframenearthetopofthe
tire(Figure5),andremovethecoverontheconnector.

Figure6

Figure5

1.Backhoewiringharness3.12-socketconnector

2.12-pinconnector

4.Locatethe12-pinconnectoronthebackhoewiring
harnessandinsertitthroughtheholeinthesideofthe
leftrailframe(Figure5andFigure6).

1.Backhoewiringharness

5.Connectthe12-pinconnectoronthebackhoewiring
harnesstothe12-socketconnectoronthemachine
wiringharness(Figure5).

6.Routethebackhoewiringharnessforward,alongthe
leftrailangeandthebackofthebackhoecontrol
platform(Figure6).

7.Installtheleft-sidepanel;refertothetractionunit
Operator’sManual.

Note:Youwillnishinstallingthewiringharnessafteryou
installthewalkway;referto4InstallingtheW alkwaytothe
Machine(page9).

2.Holeinthesideoftheleft
railframe

9

4

InstallingtheWalkwaytothe
Machine

Partsneededforthisprocedure:

1Walkway

1Handrail

1Pivotsupportbracket

1

Greasetting

5

Bolt(M12x40mm)

5

Locknut(M12)

InstallingthePivotBracket

1.Threadthegreasettingintotheholeinthecylindrical
partofthepivotsupportbracket(Figure7).

Figure8

1.Walkwaysupportbracket4.Walkwaymountbracket

2.Walkway

3.Pivotpin6.Pivotbracketcylinder

2.Applygreasetothegreasettinguntilitisvisible.

Note:Useageneral-purpose,lithium-basedgrease.

Note:Cleanupanyexcessgreaseonthepivotsupport

bracket.

3.Rotatethewalkwayclockwiseuntiltheholeinthe
forward,horizontalangeofthewalkwayalignswith
theholeinthewalkwaysupportbracket(Figure9).

5.Forward,horizontalange
ofthewalkway

Figure7

1.Pivotsupportbracket

2.Locknut—M12(3)4.Bolt—M12X40mm(3)

2.Aligntheholesinthepivotsupportbracketwiththe
holesintheforwardangeofthefueltank(Figure7).

3.Looselyinstallthebrackettothefueltankwith3bolts
(M12x40mm)and3locknuts(M12)asshownin
Figure7.

3.Greasetting

InstallingtheWalkway

1.Insertthepivotpinofthewalkwayintothepivot
bracketcylinder(Figure8).

Figure9

1.Lockingpin3.Walkway

2.Theholesinthewalkway
supportbracketandthe
forward,horizontalange
ofthewalkwayarealigned.

Note:Raiseorlowerthepivotbracketasneededto
aligntheholes(Figure9).

4.Tightentheboltsandlocknutsthatsecurethepivot
supportbrackettotheforwardangeofthefuel-tank
(Figure8).

Note:Torquetheboltsandlocknutsto112to140
N-m(83to103in-lb).

5.Securethewalkwaytothewalkwaysupportbracket
withthelockingpin(Figure9).

10

InstallingtheHandRail

Securethehandrailtothewalkwaywith2bolts(M12x40
mm)and2locknuts(M12)asshowninFigure10.

Figure11

1.Operatorpedestal4.Bolt(4)

2.Controlscover5.Nut(4)—notshown

3.Washer(4)

Figure10

1.Bolts(M12x40mm)3.Locknuts(M12)

2.Handrail4.Walkway

5

ConnectingtheControlstothe WiringHarness

Partsneededforthisprocedure:

1E-stopswitch

1

Operator-presenceswitch

Procedure

1.Removethe4bolts,4washers,and4nutsthatsecure
thecontrolscovertotheoperatorpedestalofthe
backhoe,thenremovethecover(Figure11).

2.Routethebackhoewiringharnessalongtheleft
hydraulictubealongtheoperatorplatform.

3.Routetheharnessupundertheconsoleasshownin
Figure12.

Figure12

Frontview

1.Backhoewiringharness

4.Routethebranchoftheharnesswitha2-socket
connectorthroughtheseat-posttube(Figure13).

11

Figure15

G023522

1

2

3

4

5

6

Figure13

1.Branchinthewiring
harness

2.Seat-posttube

Note:Ensurethatthereisenoughslackinthebranch
oftheharnesstoconnectittotheoperator-presence
switchandtoallowfortheseattorotatefreely.

5.Connectthe2-socketconnectorofthebackhoewiring
harnesstothe2-pinconnectoroftheoperator-presence
switch(Figure14).

1.Console

2.Ten-socketconnectors4.Forkedelectricalterminals

3.Two-pinconnector

7.DisassembletheE-stopswitchassemblyasfollows:

A.Removethebuttoncoverfromthebutton(Figure

16).

Figure16

1.Buttoncover4.Jamnut

2.Screw5.C-clip

3.Button

6.Switch

B.Removethescrewthatsecuresthebuttontothe

switch,andremovethebutton(Figure16).

1.Two-pinconnector,
backhoewiringharness

6.Installthewiringharnessundertheconsoleasshown
inFigure15.

Figure14

2.Operator-presenceswitch

oftheswitch(Figure16).

Note:RetainallthepartsoftheE-stopswitch
assembly.

8.Connectthe2-forkedelectricalterminalstoterminals
AandBwiththeterminalscrewsandthesaddle
washersoftheE-stopswitch(item6.inFigure16)and
tightenthescrews(Figure17).

12

C.RemovetheC-clipandthejamnutfromthebody

Figure17

Bottomview

1.TerminalscrewA

2.E-stopswitch4.TerminalscrewB

3.Saddlewashers

6

InstallingtheControlsCover andthePanels

NoPartsRequired

Procedure

1.InstalltheE-stopswitchassemblyontothecontrols
coverasfollows:

A.Locatethealignmenttangonthebodyofthe

switch(Figure18).

Figure18

1.Switch6.C-clip

2.Alignmenttang

3.Notchinthehole8.Button

4.Jamnut

5.Squaretting

B.Aligntheswitchfromtheinsideofthecontrol

coverandthroughtheholeintheupperright
corner(Figure18).

Note:Ensurethatthealignmenttangonthe
switchalignswiththenotchintheholeforthe
switch.

10.Buttoncover

7.Groove

9.Screw

C.Securetheswitchtothepanelwiththejamnut

(Figure18)thatyouremovedinstepCof5
ConnectingtheControlstotheWiringHarness
(page11).

D.InstalltheC-clip(Figure18)thatyouremoved

instepCof5ConnectingtheControlstothe
WiringHarness(page11)intothegrooveinthe
bodyoftheswitch.

E.Alignthesquarerecessinthebackofthebutton

tothesquarettingoftheE-stopswitch.

F.Securethebuttontotheswitchwiththescrew

(Figure18)thatyouremovedinstepBof5
ConnectingtheControlstotheWiringHarness
(page11).

13

G.Installthebuttoncover(Figure18)thatyou

removedinstepAof5ConnectingtheControls
totheWiringHarness(page11)intothescrew
pocketinthebutton.

2.Aligntheholesofthecontrolscoverwiththeholesin
theoperatorpedestalofthebackhoe(Figure11).

3.Addmedium-grade(serviceremovable)thread-locking
compoundtothe4boltsthatyouremovedinstep1
of5ConnectingtheControlstotheWiringHarness
(page11).

4.Securethecovertothepedestalwiththe4setsof
bolts,washers,andnuts(Figure11)thatyouremoved
instep1of5ConnectingtheControlstotheWiring
Harness(page11).

amountingpin(1-1/2x8-7/8inch)throughthe
bushings(Figure20).

7

InstallingtheStabilizers

Partsneededforthisprocedure:

2

Stabilizer

2Mountingpin

4

Snapring

Procedure

1.Lubricatetheinsidediameterofthebushingsof
thehingeendofastabilizerwithgeneral-purpose,
lithium-basedgrease(Figure19).

Figure20

1.Snapring

2.Mountingpin(1-1/2x8-7/8
inch)

4.Securethemountingpinwith2snapringsasshown
inFigure20.

5.Repeatsteps3through4toinstalltheotherstabilizer
ontheothersideofthebackhoeframe.

3.Lowerbushings

4.Stabilizer

8

InstallingtheStabilizer HydraulicCylinders

Partsneededforthisprocedure:

2

Stabilizerhydrauliccylinder

2

Spacer

2

Cylindermountingpin(1-1/4x7-1/2inch)

2Retainerpin

2

Hex-headbolt(3/8x1–1/2inch)

2

Washer(3/8inch)

2

Locknut(3/8inch)

Figure19

2.Lubricatetheinsidediameterofthelowersetof
bushingsonthefrontandbackplatesofthebackhoe
framewithgrease(Figure19).

3.Alignthebushingsinthestabilizerendwiththelower
setofbushingsinthebackhoeframeandfullyinsert

Procedure

1.Ensurethatthestabilizerisrestingonthefootpad.

2.Lubricatetheinsidediameteroftheuppersetof
bushingsonthefrontandbackplatesofthebackhoe
framewithgeneral-purpose,lithium-basedgrease
(Figure20).

14

3.Insertacylindermountingpin(1-1/4x7-1/2inch)
partwaythroughtheupperbushingintheforwardplate
ofthebackhoeframe(Figure21).

Note:Ensurethatthecross-drilledholeendofthe
cylindermountingpin(inwhichyouinserttheretainer
pin)isforwardofthefrontstabilizerplate.

9

InstallingtheBoom

Partsneededforthisprocedure:

1Boom

2Boompivotpin

2

Hex-headbolt(1/2x2inch)

2

Washer(1/2inch)

2

Spacer

2

Locknut(1/2inch)

Procedure

1.Lubricatetheinsidediameterofthemountingholesfor
theboomwithgeneral-purpose,lithium-basedgrease
(Figure22).

Figure21

1.Cylindermountingpin

2.Spacer6.Locknut(3/8inch)

3.Hex-headbolt(3/8x1-1/2
inch)

4.Flatwasher

5.Retainerpin

7.Cylinder

Note:Allowthepintoextendabout25mm(1inch)
beyondthebushing.

4.Slipaspacerovertheexposedendofthepinasshown
inFigure21.

5.Removetheplugsfromtheportsofthecylinderand
covertheholeswithacleanrag.

6.Extendthepistonttingofthecylinderandalignthe
holeinthecylinderttingwiththepin.

Note:Residualhydraulicuidmayejectfromthe
cylinderports.

Note:Ensurethatthehydraulicportsofthecylinder
arepositionedup.

7.Fullyinsertthepinthroughthemountingholeinthe
backplate(Figure21).

8.Inserttheretainerpinintothecross-drilledholeinthe
cylindermountingpin,andsecurethepintothefront
stabilizerplatewithahex-headbolt(3/8x1–1/2inch),
awasher(3/8inch),andalocknut(3/8inch).

9.Lubricatethettingattherodendofthecylinderwith
grease.

10.Repeatsteps1through9fortheotherstabilizer.

Figure22

1.Boom

2.Mountingholesforthe
boom

3.Locknut—1/2inch(2)7.Spacer(2)

4.Boompivotpin—2x3
inches(2)

5.Greasetting(2)

6.Hex-headbolt—1/2x2
inch(2)

8.Washer—1/2inch(2)

2.Lifttheboomintopositiononthemachineusing
liftingequipment.

Note:Allowthefreeendoftheboomtorestonthe
oorwhileyouinstalltheboom.

3.Lubricatetheinsidediameterofalltheholesinthe
lowerboomend.

4.Insertthelowerboomendbetweentheswingtower
sideplatesandaligntheholes.

5.Insertaboompivotpin(2x3inches)throughthehole
inbothsideplatesoftheswingtower(Figure22).

6.Secureeachoftheretaininglugswithahex-headbolt
(1/2x2inch),awasher,aspacer,andalocknut.

15

7.Removetheliftingequipment.

5.Securethepiston-endofthecylinderwithaboom
cylindermountingpin(1-3/4x3-3/4inches),a
hex-headbolt(3/8x1-1/2inch),andalocknut(3/8
inch)asshowninFigure23.

10

InstallingtheBoomHydraulic Cylinder

Partsneededforthisprocedure:

1Boomhydrauliccylinder

1Boomcylindermountingpin

1

Hex-headbolt(3/8x1-1/2inch)

1

Locknut(3/8inch)

Procedure

Note:Ensurethatthefreeendoftheboomissupported

ontheoor.

1.Lubricatetheinsidediameteroftheupperholes
ofthecylindermountinglugwithgeneral-purpose,
lithium-basedgrease(Figure23).

6.Lubricatetherod-endttingofthecylinderandboth
mountinglugsonthesideplatesoftheboom(Figure

23).

11

ConnectingtheHydraulic PressureandReturnHoses

Partsneededforthisprocedure:

1

Hydraulichose(0.75x28.3inches)

1

Hydraulichose(0.75x29.4inches)

Procedure

1.Placeadrainpanunderthebulkheadttingsforthe
hydraulicpressureandreturncircuitsofthemachine
(Figure24).

Figure23

Locknutisnotshown

1.Boom3.Boomcylindermounting
pin(1-3/4x3-3/4inches)

2.Cylindermountinglug(2)4.Hex-headbolt(3/8x1-1/2
inch)

2.Lubricatetheinsidediameteroftheholeinthe
piston-endttingofthehydrauliccylinderwithgrease
(Figure23).

3.Removetheplugsfromthecylinderandcoverthe
holeswithacleanrag.

4.Extendthepiston-endttingofthecylinderandalign
theholeinthettingwiththeholesintheboom
mountinghinges(Figure23).

Note:Thettingsarelocatedontheleftsideofthe
machinenearthefronttire(Figure24).

Figure24

1.Bulkheadttings(capped)

2.Removethecaponeachttingandlooselyinstalla
hydraulictting(3/4inch,90°elbow)ontoeachofthe
2bulkheadttingsasshowninFigure24.

Note:Retainthecapttingssothatyoucaninstall
themwhenyouremovethebackhoe.

Note:Residualhydraulicuidmayejectfromthe
cylinderports.

16

Figure25

Thewheelandtirehavebeenremovedforthepurpose

ofclarity.

3.Starttheengineonthemachine;refertothetraction
unitOperator’ sManual.

4.Settheenginespeedto1/4throttle.

5.Movetotheoperatorseatofthebackhoe.

6.Moveeachstabilizercontrolforwardandrearward
severaltimesuntilthestabilizersmovesmoothly
throughouttheirfullrangeofmovement.

1.Hydraulicpressure
connection

2.Hydraulicreturn
connection

3.Hosesupport

4.Hydraulic-pressurehose
(28.3inches)

3.Routethe2hydraulichosesthroughthehosesupport
asshowninFigure25.

4.Connectandtightenthe2hosestothehydraulic
pressureandsupplytubeslocatedrearwardofthe
left-mountingplateforthebackhoe(Figure25).

5.Connectandtightenthefreeendsofthehosesto
thehydraulicttings(3/4inch,90°elbow)thatyou
installedinstep2asshowninFigure25.

6.Alignandtightenthe2hydraulicttings(3/4inch,90°
elbow)onthebulkheadttings.

7.Torqueall3/4-inchttingsto90to111N-m(66to
82ft-lb).

8.Securethebackhoewiringharnesstothehydraulic
hosesandtubeswithcableties.

5.Hydraulic-returnhose
(29.4inches)

6.90°hydraulictting(3/4
inch)onthepressureport

7.90°hydraulictting(3/4
inch)onthereturnport

Figure26

1.Leftstabilizercontrol

7.Movebothstabilizerstothedownposition(Figure26).

8.Stoptheengineandremovetheignitionkey.

2.Rightstabilizercontrol

13

12

BleedingtheStabilizer Cylinders

NoPartsRequired

Procedure

1.Settheparkingbrakeandensurethatallthecontrols
areintheNeutralposition.

2.RotatethebatterydisconnecttotheOnposition;refer
tothetractionunitOperator’sManual.

ConnectingtheHydraulic HosestotheBoomHydraulic Cylinder

Partsneededforthisprocedure:

1

Hydraulichose(0.75x31.5inches)

1

Hydraulichose(0.75x32.4inches)

Procedure

1.Connectthehydraulichosestotheextendandretract
tubesontheboomcylinderasshownin(Figure27).

17

Figure28

Figure27

1.Boomcylinderextendtube
(connect31.5-inchlong
hosehere)

2.Boomcylinderretracttube
(connect32.4-inchlong
hosehere)

2.Securetheotherendofthehydraulichosesthatare
connectedtotheextendandretracttubesontheboom
cylindertotheircorrespondingtubesasshownin
Figure28.

Note:Torquethehydraulicttingsto59to72N-m
(43to53ft-lb).

1.Boomcylinderretracthose
(31.5inches)

2.Boomcylinderextend
hose(32.4inches)

3.Boomreturntube

4.Boompressuretube

Figure29

1.Boomreturntube4.Boompressuretube

2.Dipperreturntube5.Dipperpressuretube

3.Bucketreturntube6.Bucketpressuretube

18

14

BleedingtheBoomElevation
Cylinder

NoPartsRequired

Procedure

WARNING

Co-workersandbystandersnearthemoving
attachmentpartsmaycomeintocontactwithan
attachmentpart,causingseriousinjuryordeath.

Beawareofwhereotherworkersareinthearea
whileyouarebleedingthehydraulicsystem,and
keepothersawayfromthearea.

1.Ensurethattheendsoftheunconnectedhydraulic
tubesarecapped(Figure30).

Figure31

1.Boomcontrol(elevationmovement)

5.Movetheboomtoaverticalpositionthatallowsyouto
installthedipperatacomfortableheight.

Figure30

1.Unconnectedhydraulictubeends

2.Starttheengineonthemachine;refertothetraction
unitOperator’ sManual.

6.Stoptheengineandremovetheignitionkey.

15

InstallingtheDipper

Partsneededforthisprocedure:

1Dipper

1

Dipperpivotpin(2x9-3/4inches)

1Tabbedwasher

1

Slotted-spannernut(1-3/4inch)

1Retainerpin

2

Greasetting

Procedure

1.Lubricatetheinsidediameterofthedippermounting
holesintheboomsideplateswithgeneral-purpose,
lithium-basedgrease(Figure32).

3.Settheenginespeedto1/4throttle.

4.Movetheboomelevationcontrolrearward(toraise
theboom)andforward(tolowertheboom)several
timesuntiltheboommovessmoothlythroughoutits
fullrangeofverticalmovement(Figure31).

19

16

InstallingtheDipperHydraulic Cylinder

Partsneededforthisprocedure:

1Hydrauliccylinder

1

Dippercylinderpin(1-1/2x5.83inches)

1

Snapring

1Retainerpin

Figure32

1.Dipperassembly

2.Retainerpin

3.Dipperpivotpin(2x9-3/4
inches)

4.Dippermountingholesin
theboomsideplates

5.Tabbedwasher

2.Liftthedipperintopositiononthemachineusing
liftingequipment.

3.Lubricatetheinsidediameteroftheholesinthedipper
endwithgeneral-purpose,lithium-basedgrease.

4.Insertthedipperendbetweenthesideplatesofthe
boomandaligntheholes.

5.Inserttheretainerpinthroughthecross-drilledholein
thedipperpivotpin.

6.Alignthetabattheinsidediameterofthetabbed
washerwiththeslotintheretainerpin.

6.Slotted-spannernut(1-3/4
inch)

7.Greasetting

8.Boom

9.Holeindipperend

Procedure

1.Lubricatetheinsidediameteroftheholesatthe
pivotpointonthedipperwithgeneral-purpose,
lithium-basedgrease(Figure33).

7.Threadtheslotted-spannernut(1-3/4inches)ontothe
retainerpinandtightenituntilaslotinthenutaligns
withatabofthetabbedwasher.

8.Bendthealignedtabofthetabbedwasherintothe
alignedslotintheslotted-spannernut.

9.Insertthedipperpivotpinthroughtheholeinboth
sideplatesoftheboom(Figure32).

10.Securethedipperpivotpinontheboomwitharetainer
pin,atabbedwasher,andaslotted-spannernut(1-3/4
inch);refertoFigure32.

11.Installagreasettingoneachendoftheretainerpin
andlubricatewithgeneral-purpose,lithium-based
grease).

12.Removetheliftingequipment.

20

9.Lubricatethepiston-endttingofthecylinderatits
mountingpointontheboomwithgeneral-purpose,
lithium-basedgrease.

17

InstallingtheBucket

Partsneededforthisprocedure:

1Bucket

2Bucketpin

2

Snapring

2

Bolt(3/8x1–1/2inch)

2Lockwasher

2Locknut

Procedure

1.Removethehardware(hex-headbolt,lockwasher,and
snapring)andthebucketpinfromthelowermounting
bracketbushingsattheendofthedipper(Figure34).

Figure33

1.Dippercylinderpin(1-1/2
x5-13/16inches)

2.Retainerpin

3.Boom7.Dipper

4.Dippercylinder

5.Holesatthepivotpointon
thedipper

6.Snapring

8.Rod-endttingofthe
cylinder

2.Lubricatetheinsidediameteroftheholesinthe
rod-endttingofthecylinderwithgrease.

3.Extendtherod-endttingofthecylindertothepivot
pointonthedipperandaligntheholes.

4.Fullyinsertthedippercylinderpinthroughthepivot
pointofthedipper(Figure33).

5.Inserttheretainerpinthroughthecross-drilledholein
thedipper-cylinderpin(Figure33).

6.Fullyinsertthedipper-cylinderpinthroughthe
1-1/2-inchholesinthedipperandtherod-endtting
ofthecylinder(Figure33).

7.Fullyinserttheretainerpinintothe13mm(1/2inch)
holeinthedipper.

8.Securethedipper-cylinderpintothedipperwitha
1-1/2inchsnapring(Figure33).

Figure34

1.Mountingplateonthe
bucket(2)

2.Holeinmountingplate(4)

3.Snapring8.Hex-headbolt(3/8x1-1/2

4.Dipper9.Locknut

5.Lowermountingbracket
bushingattheendofthe
dipper(2)

6.Bucketpin

7.Lockwasher

inch)

Note:Retainthebucketpinandhardwaretoinstall
themlaterinthisprocedure.

2.Lubricatetheinsidediameterofthe2mounting
bushingsattheendofthedipperandofthe4holes
inthebucketmountingplateswithgeneral-purpose,
lithium-basedgrease(Figure34).

21

3.Positionthebucketbelowthedipperontheground.

4.Carefullylowerthedipperintopositionnearthebucket.

5.Movethebucketasneededtoaligntheholesofthe
dipperendwiththeholesinthemountingplatesof
thebucket.

6.Insertabucketpinthroughthealignedholes(Figure

34).

7.Securethebucketpinwithasnapring,ahex-headbolt
(3/8x1-1/2inch),alockwasher,andalocknut.

8.Ensurethatthereisgreaseinthegreasettingoneach
endofthepin.

Note:Insertgeneral-purpose,lithium-basedgrease
intothettingsuntilyoucanseeexcessgrease,then
removetheexcessgrease.

9.Removethehardware(hex-headbolt,lockwasher,
spacer,andsnapring)andthebucketpinfromthe
lowerendsofthestraightbucketlinks(Figure35).

Note:Insertgeneral-purpose,lithium-basedgrease
intothettingsuntilyoucanseeexcessgrease,then
removetheexcessgrease.

18

ConnectingtheHydraulic HosestotheDipperand BucketHydraulicCylinders

Partsneededforthisprocedure:

1

Hydraulichose(0.75x63.2inches)

1

Hydraulichose(0.75x65.6inches)

1

Hydraulichose(0.75x104.7inches)

1

Hydraulichose(0.75x108.9inches)

4Anglestrap

4

Hex-headbolt(5/16x3-1/4inch)

8

Washer(5/16inch)

4

Locknut(5/16inch)

Figure35

1.Bucketpin

2.Hex-headbolt(3/8x1-1/2
inches)

3.Lockwasher8.Locknut

4.Bucket

5.Dipper

10.Movethebucketasneededtoaligntheholesofthe
dipperendwiththeholesinthemountingplatesof
thebucket.

11.Insertabucketpinthroughthealignedholes(Figure

35).

12.Securethebucketpinwithasnapring,ahex-headbolt
(3/8x1-1/2inches),alockwasher,andalocknut.

13.Installthefreeendsofthe2straightlinksontothe
remainingsetofholesinthebucketwithabucketpin,
aspacer,ahex-headbolt(3/8x1-1/2inches),alock
washer,alocknut,andasnapringasshowninFigure

35.

14.Ensurethatthereisgreaseinthegreasettingoneach
endofthepin.

6.Holeinmountingplate(2
remainopen)

7.Snapring

9.Spacer

Procedure

1.Connecthydraulichosestotheextendandretracttubes
onthedippercylinderasshowninFigure36.

Note:Connectthehose(65.6incheslong)tothe
dippercylinderretracttubeandthehose(63.8inches
long)tothedippercylinderextendtube.

22

Figure36

Thelatchandthelatchhandlearenotshownforthe

purposeofclarity .

Figure38

1.Boomreturntube4.Boompressuretube

2.Dipperreturntube5.Dipperpressuretube

3.Bucketreturntube6.Bucketpressuretube

3.Connecthydraulichosestotheextendandretracttubes
onthebucketcylinderasshowninFigure39.

1.Dippercylinderextend
tube

2.Dippercylinderretract
tube

3.Dippercylinder

4.Boom

2.Connectthefreeendsofthehydraulichosesfromthe
dippercylindertotheircorrespondingtubesasshown
inFigure37andFigure38.

Figure37

Note:Connectthehose(104.7incheslong)tothe

bucketcylinderretracttubeandthehose(108.9inches
long)tothebucketcylinderextendtube.

1.Dipperreturntube3.Dippercylinderextend
hose(63.2inches)

2.Dippercylinderretract

hose(65.6inches)

23

Figure40

Thelocknutsarenotshown.

Figure39

1.Bucketcylinderextend

hose(108.9inches)

2.Dipper

3.Bucketcylinderretract
hose(104.7inches)

4.Connectthefreeendsofthehydraulichosesfromthe
bucketcylindertotheircorrespondingtubesasshown
inFigure40andFigure38.

1.Bucketcylinderreturntube

2.Bucketcylinderretract
hose

3.Hex-headbolt—5/16x
3-1/4inch(4)

4.Washer—5/16inch(4)

5.Anglestraps(4)

6.Bucketcylinderextend
hose

7.Locknut—5/16inch(4)

5.Torqueallhydraulichosettingsto59to72N-m(43
to53ft-lb).

6.Securethehoseswheretheyconnecttothehydraulic
tubeswith2anglestraps,4hex-headbolts(5/16x
3-1/4inch),4washers(5/16inch),and4locknuts
(5/16inch)asshowninFigure39.

24

19

BleedingtheHydraulicSystem

NoPartsRequired

Procedure

WARNING

Co-workersandbystandersnearthemoving
attachmentpartsmaycomeintocontactwithan
attachmentpart,causingseriousinjuryordeath.

Beawareofwhereotherworkersareinthearea
whileyouarebleedingthehydraulicsystem,and
keepothersawayfromthearea.

1.Iftheswinglockforthebackhoeboomisset,release
thelockbyliftingtheswing-lockpinoutofthenotchin
theupperpivotplate,rotatingitaquarterturnineither
direction,insertingthecrosspinsoftheswing-lockpin
intothedetent(Figure41).

6.Movethedippercontroltoextendandretractthe
dipperseveraltimesuntilthedippermovessmoothly
throughoutitsfullrangeofmovement(Figure42).

Figure42

1.Bucketanddippercontrol(dippermovement)

Figure41

1.Liftuptheswing-lockpin

2.Rotatetheswing-lockpin5.Notchinupperpivotplate

3.Crosspin(2)

2.Ifnecessary,unlocktheboombypullingbackthe
boom-latchhandle(Figure41).

3.Settheparkingbrakeandensurethatallthecontrols
areintheNeutralposition.

4.Startthemachineandsettheenginespeedto1/4
throttle.

5.Movetotheoperatorseatofthebackhoe.

4.Detent

6.Boom-latchhandle

7.Movethebucketcontroltocurlandextendthebucket
severaltimesuntilthebucketmovesthroughoutitsfull
rangeofmovement(Figure43).

Figure43

1.Bucketanddippercontrol(bucketmovement)

8.Movetheboomswingcontrolleftandrightseveral
timesuntiltheboommovessmoothlythroughoutits
fullrangeofmovement(Figure44).

25

Figure44

1.Boomcontrol(swingmovement)

9.Movetheboomtothetransportposition;referto
MovingtheBackhoeintotheTransportPosition(page

36).

10.Stoptheengineandremovetheignitionkey.

andthentotheright(extendthebucket);refer
toFigure43.

Note:Thebucketshouldnotmove.

C.Sitinthebackhoeoperatorseat.

D.Movethebucketanddippercontroltotheleft

andthentotheright(Figure43).

Note:Thebucketshouldcurlandthenextend.

E.PresstheE-stopbutton(Figure45).

Note:Theengineofthetractionunitshould
stop.

Figure45

1.E-stopbutton

5.ReleasetheenginestopswitchbypullinguptheE-stop
button.

6.RotatethekeyswitchonthemachinetotheOff
position.

20

TestingtheOperator-presence SwitchandtheE-stopSwitch

NoPartsRequired

Procedure

Important:Ifyourmachinefailsanyofthefollowing

tests,donotoperatethemachine;contactanAuthorized
ServiceDealer.

1.Starttheengineonthemachine.

2.Settheparkingbrake.

3.Movethebackhoe.

4.Atthebackhoeoperatorpanel,performthefollowing
tests:

A.Standonthewalkway.

B.Movethebucketanddippercontrol(theleftmost

control)totheleft(curlor“crowdin”thebucket)

26

21

LubricatingtheStabilizers

NoPartsRequired

Procedure

1.Raisethestabilizers.

2.Cleanthegreasettings(Figure46)witharag.

Figure46

ProductOverview

Figure47

1.Dipper5.Bucket

2.Boom-latchhandle6.Boom

3.Controls

4.Handrail

7.Walkway

8.Leftstabilizer

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

4.Wipeupanyexcessgrease.

5.Lowerthestabilizers.

Figure48

1.Seat4.Swing-lockpedal

2.E-stopbutton5.Rightstabilizer

3.Operatorconsole6.Backllblade

Controls

BoomControls

BoomExtensionControlLever

•Movetheleverforwardtolowertheboom(Figure49).

•Movetheleverrearwardtoraisetheboom(Figure49).

27

Figure49

E-stopSwitch

Usetheremoteengineshutoffcontrolknobtostopthe
enginewhenyouareinthebackhoeoperator’sseat.

•Pushdownonthecontrolknobtostoptheengine

(Figure49).

•Pulluponthecontrolknobbeforere-startingtheengine

(Figure49).

Note:Theenginewillnotstartifthecontrolknobisnot
pulledupintheResetposition.

1.Boomextensionandswing
controllever

2.Leftstabilizercontrollever

3.Rightstabilizercontrol
lever

BoomSwingControlLever

4.Dipperextensionand
bucketcontrollever

5.E-stopswitch

•Movethelevertothelefttoswingtheboomtotheleft

(Figure49).

•Movethelevertotherighttoswingtheboomtotheright

(Figure49).

StabilizerControls

•Movetheleft-stabilizerleverforwardtolowertheleft

stabilizer(Figure49).

•Movetheleft-stabilizerleverrearwardtoraisetheleft

stabilizer(Figure49).

•Movetheright-stabilizerleverforwardtolowertheright

stabilizer(Figure49).

•Movetheright-stabilizerleverrearwardtoraisetheright

stabilizer(Figure49).

Swing-lockPinandBoom-lockHandle

Swing-lockPin

Settheswing-lockpintolocktheboom,thedipper,andthe
bucketintothetransport(straightforward)position.Release
theswing-lockpintounlocktheswinglockaftertransporting
themachineorbeforeoperatingthebackhoe.

•Tosettheswinglock,lifttheswing-lockpinoutofthe

notchintheupperpivotplate,rotatethepinaquarter
turnineitherdirectiontoalignthecrosspinswiththe
holesinthedetentplate,andlowerthepinintothenotch
intheupperpivotplate(Figure50).

DipperandBucketControls

DipperExtensionControlLever

•Movetheleverforwardtomovethedipperout(Figure

49).

•Movetheleverrearwardtomovethedipperin(Figure

49).

BucketControlLever

•Movethelevertothelefttocurl(load)thebucket(Figure

49).

•Movethelevertotherighttodump(unload)thebucket

(Figure49).

Figure50

Swing-lockpininsetposition

1.Swing-lockpin(inreleased
position)

2.Detent

3.Notchintheupperpivot
plate

•Toreleasetheswinglock,lifttheswing-lockpinoutof

thenotchintheupperpivotplate,rotatethepinaquarter
turnineitherdirectiontoalignthecrosspinsonthepin
withtheholesinthedetentplace,liftthepinupthrough
thedetentplate,andinsertthecrosspinsofthepininto
thedetent(Figure51).

28

Figure51

Swing-lockpininreleasedposition

Boom-lockHandle

Usetheboom-lockhandletoreleasethelockfortheboom
andallowtheboomtomovefromthetransport(upright)
position(Figure52).Pulltheboom-lockhandlerearwardto
releasetheboomlock.

1.Swing-lockpin(inreleased
position)

2.Detent

3.Notchintheupperpivot
plate

Figure52

1.Boom-lockhandle

29

Specications

Figure53

1.

Reachfromcenterlineof
frontaxleofthemachine

2.

Diggingreachfromswing
pivot

3.

Diggingdepth(maximum)283cm(1 12in)

4.

Diggingdepth,0.6m(2foot)
atbottomtrench

5.

Diggingdepth,2.4m(8foot)
atbottomtrench

6.Loadingheight

7.

Loadingreach

8.

Overallheight(maximum)489cm(193in)

Weightofbackhoeattachment:1095kg(2,415lb)

590cm(232in)

414cm(163in)

279cm(1 10in)

242cm(95in)

268cm(106in)

200cm(79in)

Operation

Determinetheleftandrightsidesofthemachinefromthe
normaloperatingposition.

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

UsingtheStabilizers

ControllingtheStabilizerArms

Youcancontrolthestabilizerarmsbymovingtheleft
andrightlevers;refertoRaisingtheStabilizers(page30)
andLoweringtheStabilizers(page31).Movingthelevers
downwardlowersthestabilizerarms;movingthelevers
upwardraisesthestabilizerarms.

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.

RaisingtheStabilizers

Raisethestabilizersasfollows:

1.Settheenginespeedofthemachineto1/4throttle
orhigher.

2.Movetothebackhoeoperator’sseat.

30

3.Pushthestabilizercontrolforwarduntilthestabilizers
hasremovedtheweightofthemachinefromthefront
wheelsslightly(Figure54).

Figure55

Figure54

1.Leftstabilizercontrol

2.Rightstabilizercontrol

4.Asnecessary,adjusteachstabilizerindividuallytolevel
themachine.

5.Releasethestabilizercontrols.

LoweringtheStabilizers

1.Settheenginespeedofthemachineto1/2to3/4
throttle.

2.Movetothebackhoeoperator’sseat.

3.Pullthestabilizercontrolbackwarduntilthestabilizer
hasmovedtothefullyuprightposition(Figure55).

1.Leftstabilizercontrol

2.Rightstabilizercontrol

4.Releasethestabilizercontrols.

31

UsingtheBoomandSwing Locks

UnlockingtheBoomLock

1.Pushtheboomcontrolforward(Figure56).

Figure57

Figure56

1.Boomcontrolforward

2.Boom-controllever

2.Pulltheboom-lockhandlerearward(Figure52).

3.Pulltheboomcontrolrearward;thebackhoewillmove
outofthetransportlockedposition(Figure56).

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.Pulltheboomcontrolrearward(Figure56).

Note:Thebackhoeboomwillmovetowardyou(past
theverticalposition).

1.Swing-lockpin(inreleased
position)

2.Detent

2.Rotatethepinaquarterturnineitherdirectiontoalign
thecrosspinsonthepinwiththeholesinthedetent
plate(Figure57).

3.Liftthepinupthroughthedetentplate.

4.Insertthecrosspinsofthepinintothedetent(Figure

57).

3.Notchintheupperpivot
plate

LockingtheSwingLock

Note:Youmustcentertheboom,thedipper,andthebucket

lefttorightandlockthembeforeyoucansafelytransportthe
backhoe.RefertoLockingtheBoomLock(page32).

1.Raiseandcentertheboom,thedipper,andthebucket;
refertoControllingtheDipperandtheBucket(page

35).

2.Swingtheboom,thedipper,andthebuckettothe
centerpoint,betweenleftandright.

3.Lifttheswing-lockpinoutofthenotchintheupper
pivotplate(Figure58).

4.Whentheboomreachestheverticalposition,rapidly
movetheboomcontrolstraightforward(Figure56).

Note:Theboomwillmovetowardyouuntilitreaches
themechanicalstop.

Note:Theboomlockwillautomaticallyengagethe
boom.

5.Releasetheboomcontrollever.

UnlockingtheSwingLock

1.Lifttheswing-lockpinoutofthenotchintheupper
pivotplate(Figure57).

32

Figure58

1.Swing-lockpin(inlocked
position)

2.Detent

4.Rotatethepinaquarterturnineitherdirectiontoalign
thecrosspinswiththeholesinthedetentplate.

5.Lowerthepinintothenotchintheupperpivotplate.

3.Notchintheupperpivot
plate

PreparingtoUsetheBackhoe

BeforeOperatingtheBackhoe

ServiceInterval:Beforeeachuseordaily

Important:Thebackhoeisnotacraneandshouldnot
beusedasone.Donotusethebackhoeasalifting
device.

WARNING

Bystandersunseenbytheoperatormaybetooclose
tothemachine,andthemachineordebristhrown
fromthemachinemaycauseseriousinjuryordeath.

Beforeoperatingthemachineinanareawith
reducedvisibility,installaguardrailandwarning
signstokeepothersawayfromthemachine.

WARNING

Operatingthemachinewhilenotseatedis
dangerousandcouldresultinseriousinjuryor
death.

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.

33

BeforeDiggingwiththeBackhoe

WARNING

Co-workersandbystandersneartheworkingsite
couldcomeintocontactwiththemachineorthrown
debris,causingseriousinjuryordeath.

Beawareofwhereotherworkersareinthearea,
andkeepothersawayfromtheworkarea.

Figure60

1.Handrails3.Walkway

2.Foothold

6.Lowerthestabilizerstotheground,andlifttheweight
ofthemachineoffthefronttires;refertoLowering
theStabilizers(page31).

Figure59

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.

7.Unlocktheswinglockofthebackhoe;referto
UnlockingtheSwingLock(page32).

8.Takethebackhoeoutofthetransportlockedposition;
refertoMovingtheBackhoeintotheTransport
Position(page36).

B.Settheparkingbrake.

Note:Theparkingbrakelightshouldilluminate.

C.Adjusttheenginespeedbetween1/2to3/4

throttle,andsetthethrottlelock.

5.Holdontothehandrailsandusethewalkway(Figure

60)togotothebackhoeoperator’sseat.

34

ControllingtheBackhoe

ControllingtheBoomandtheSwing

Youcancontroltheboomandtheswingofthebackhoeby
operatingtheleftlever(Figure61)asfollows:

•Pushthisleverforwardtolowertheboom;pullit

rearward(towardyou)toraisetheboom.

•Movethislevertothelefttoswingthebuckettotheleft;

moveittotherighttoswingthebuckettotheright.

Figure61

ControllingtheDipperandtheBucket

Youcancontrolthedipperandthebucketbyoperatingthe
rightlever(Figure63)asfollows:

•Pushthisleverforwardtoextend(“crowdout”)the

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

•Movethislevertothelefttocurl(“crowdin”)thebucket

tollit;movethelevertotherighttodumpthebucket.

Figure63

1.Dipper/bucketcontrol

1.Boomextensionandswingcontrollever

Note:Bymovingtheleverinan“X”patternratherthan
merelya“+”pattern,youcanraiseorlowerandswing
thebackhoeatthesametime(Figure62).

Figure62

1.Boomextensionandswingcontrollever

Note:Bymovingtheleverinan“X”patternratherthan
merelya“+”pattern,youcancurlinandfullthebucketor
extend(“crowdout”)anddumpthebucketatthesametime
(Figure64).

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

Figure64

1.Dipper/bucketcontrol

35

DiggingwiththeBackhoe

FillingtheBucket

Fillthebucketbyoperatingthedipper,theboom,andthe
bucketasnecessarytokeepthebottomofthebucketparallel
withthecut(Figure65).

Figure66

Figure65

1.Correct(thebucketis
parallelwiththecut)

2.Wrong(thebucketwilldig
inandcauseastall)

Allowthebucketteethandcuttingedgetocutthroughthe
groundlikeaknifeblade(Figure66).Thetypeofmaterial
thatyouarediggingdeterminesthedepthofthecut.

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

3.Wrong(thebucketis
pushedup,resultingina
slowcycletime)

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.

MovingtheBackhoeandthe Machine

MovingtheBackhoeintotheTransport
Position

1.Decreasetheenginespeedto1/4throttle,andensure
thatthestabilizersareontheground.

2.Swingtheboomtothecenter.

36

3.Raisetheswing-lockpedaltolockit;refertoLocking
theSwingLock(page32).

4.Rotatethebucketcompletelyinandretractthedipper;
refertoControllingtheDipperandtheBucket(page

35).

5.Locktheboomtotheuprightposition;referto
LockingtheBoomLock(page32).

Note:Thebackhoeboomwillmovetowardyou(past
verticalposition)duringthisprocedure.

6.Raisethestabilizerscompletely;refertoRaisingthe
Stabilizers(page30).

MovingtheMachineRearwardwhile
DiggingwithaBackhoe

1.Raisethestabilizersandthebucketabovetheground;
refertoRaisingtheStabilizers(page30).

2.Gobacktothemachineoperator’sseat.

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(page31).

TransportingtheMachine

LoadingandUnloadingtheMachine

Important:Ensurethatthetrailerandtherampcan

supporttheweightofboththetractionunitandthe
attachment(938.5kgor2069lb).

1.Blockthefrontandrearwheelsofthetransportvehicle.

3.Raisetheboomtotheverticalpositionandsetthe
boomlock;refertoLockingtheBoomLock(page32).

4.Centertheboomstraightaheadandsettheswinglock;
refertoLockingtheSwingLock(page32).

5.Slowlydrivethemachineontothetransportvehicle.

6.Settheparkingbrakeonthemachine.

7.Atthebackhoeconsole,releasetheboomlockand
lowertheboomandthedipperuntilthebucketis
restingonthedeckofthetransportvehicle(Figure67).

8.Stoptheengineandremovethekey.

SecuringtheMachinetotheTransport
Vehicle

1.Fastenthebackhoetothetrailerusingchainsand
binders(Figure67).

Note:Usethetiedownpointsonthemountingplates
forthebackhoe.

2.Fastenthebackofthemachinetothetrailerusing
chainsandbinders(Figure67)

Note:Usetherearaxletosecuretherearofthe
machine.

3.Secureblockingtothedeckofthetransportvehiclein
frontofthetiresandbehindthetiresofthemachine
(Figure67).

OperatingTips

CAUTION

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

•Donotusethebackhoetodigunderthe
stabilizerarmsorunderthetractionunit.

•Donotdiginsoftorwetsoilconditions.

CAUTION

Figure67

2.Raisethestabilizersfullytothetransportposition;refer
toRaisingtheStabilizers(page30).

Placingalarge,heavyspoilpiletooclosetheedge
oftheexcavationcouldcauseacave-in,resulting
inpossiblepersonalinjuryanddamagetothe
equipment.

Donotplacethespoilpiletooclosetothe
excavation.

•Lowerthebuckettotheground,thencurlthebucket

untiltheteethareatontheground,retractthedipper,
dragthebucketthroughthetrenchuntilthebucketis

37

abouthalffull.Thencurlthebucketasyoucrowditin
untilthebucketiscompletelyfull;raisethebucket,swing
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.

38

Maintenance

LubricatingtheBackhoe

ServiceInterval:Beforeeachuseordaily

GreaseType:Lithium-basedgrease.

GreasingtheFittingsontheLeftSide
oftheBackhoe

1.Cleanthegreasettingswitharag(Figure68,Figure
69,andFigure70).

2.Connectthegreaseguntothegreasettingsforthe
upperandlowerpivots;apply2or3pumpsofgrease
toeachtting(Figure68,Figure69,andFigure70).

3.Wipeupanyexcessgrease.

Figure69

Figure68

Figure70

GreasingtheFittingsontheRightSide
oftheBackhoe

1.Cleanthegreasettingswitharag(Figure71,Figure
72,andFigure73).

2.Connectthegreaseguntothegreasettingsforthe
upperandlowerpivots;apply2or3pumpsofgrease
toeachtting(Figure71,Figure72,andFigure73).

3.Wipeupanyexcessgrease.

39

Figure71

Figure73

Figure72

40

RaisingandLoweringtheSeat

RaisingtheSeat

1.Removethehairpinfromtheseat-lockpin(Figure74).

Figure74

LoweringtheSeat

1.Removethehairpinfromtheseat-lockpin(Figure74).

2.Removetheseat-lockpinfromthemountingplates
(Figure75).

3.Movethehandrail(attachedtothebackoftheseat)
downuntiltheholeintheseatpostisalignedwiththe
holesinthepivotbrackets(Figure75).

4.Installtheseat-lockpinandthehairpin(Figure74).

1.Seat-lockpin

2.Removetheseat-lockpinfromthemountingplates
andtheseatpost(Figure75).

2.Hairpin

Figure75

1.Seatpost

2.Seat-lockpin

3.Liftuponthehandrailthatisattachedtotheback
oftheseat,andpivottheseatupandforwarduntil
thebottomoftheseatpostisabovetheholesinthe
mountingplates(Figure75).

4.Fullyinserttheseat-lockpinthroughtheholesinthe
mountingplates(Figure75).

5.Installthehairpinintotheholeintheseat-lockpin
(Figure74).

3.Mountingplate

41

Storage

•Whenyouarenotusingthebackhoe,storeitindoorsina

cleananddryplace.

Note:Ifyouarenotabletostorethebackhoeindoors,
coverthebackhoetokeepmoisture,dirt,anddebrisaway
fromthemachine.

•Greaseallexposedcylinderrodstopreventthemfrom

rusting.

•Repairorreplaceanyworn,damage,ormissingpartson

thebackhoe.

•Installdustcapsontothehydraulicnipplestopreventthe

hydraulicsystemfromcontamination.

42

Notes:

43

TheToroUndergroundWarranty

ALimitedWarranty

Underground

Equipment

ConditionsandProductsCovered

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

ProductsWarrantyPeriod

RT600,RT1200,DD2024,and
DD4045

AllOtherEnginePoweredBase
UnitsandFluidMixers

AllSerializedAttachments
RockHammer6months
Engines

2yearsor1500operatinghours,
whicheveroccursrst
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.

374-0292RevA