Toro 131-0667 Installation Instructions

HydraulicMotorKit

TRX-16orTRX-20Trencher

ModelNo.131-0667

ThisproductcontainsachemicalorchemicalsknowntotheStateofCaliforniato

causecancer,birthdefects,orreproductiveharm.

LooseParts

Usethechartbelowtoverifythatallpartshavebeenshipped.

FormNo.3411-315RevA

InstallationInstructions

WARNING

CALIFORNIA

Proposition65Warning

ProcedureDescription

1
2

3

4

5

Nopartsrequired

Cabletie

Hydraulicmotor1
Spacerplate
Coupler
Socket-headbolt(1/2x1-3/4inches)
Lockwasher(3/4inch)
Thread-lockingcompound1

Nopartsrequired

Nopartsrequired

Qty.

–

1Removethehydraulicmotor.

1
1
2
2

–

–

Preparethemachine.

Installthehydraulicmotor.

Connectthehydraulichoses.

Checkforleaksandservicethe
hydraulicuid.

Use

©2016—TheT oro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420

Registeratwww.T oro.com.

OriginalInstructions(EN)

PrintedintheUSA

AllRightsReserved

*3411-315*A

1

2

PreparingtheMachine

NoPartsRequired

Procedure

1.Movethemachinetoalevelsurfaceandlowerthe
boom.

2.Engagetheparkingbrake,shutofftheengine,and
removethekeyfromtheignitionswitch.

3.Allowthehydraulicsystemtocool.

4.Rotatethetrenchercontrolclockwise(AofFigure1).

5.Movethetrencher-controlleverfullytotheforward
position(BofFigure1)andbackwardposition(Cof

Figure1)4or5times.

RemovingtheHydraulicMotor
fortheTrencherDrive

Partsneededforthisprocedure:

1

Cabletie

Procedure

1.Alignadrainpanunderthehydraulicmotorforthe
trencherdrive.

2.Wipecleanthehydraulichosesandttingsatthe
hydraulicmotorforthetrencherdrive(Figure2).

Figure1

Note:Movingthetrencher-controlleverbleeds

hydraulicpressurefromthehosesforthetrencher
motor.

g191412

Figure2

1.Straighthydraulictting
(rear)

2.Hose(rear)

3.Securethecabletietotherearmosthydraulichoseat
thehydraulicmotorforthetrencherdrive(Figure2).

4.Removethe2hydraulichosesfromthestraight
hydraulicttinginthehydraulicmotor(Figure3).

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3.Cabletie

2

3

InstallingtheHydraulicMotor

Partsneededforthisprocedure:

1Hydraulicmotor

1

Spacerplate

1

Coupler

2

Socket-headbolt(1/2x1-3/4inches)

2

Lockwasher(3/4inch)

1Thread-lockingcompound

Figure3

1.Coupler(trencher-drive
shaft)

2.Straighthydraulictting4.Hydraulicmotor(old)

3.Socket-headbolts(1/2x
1-1/4inches)

5.Removethe2socket-headbolts(1/2x1-1/4inches)
thatsecurethehydraulicmotorforthetrencherdrive
totheheadofthetrencher,andremovethehydraulic
motor(Figure3).

Note:Discardthe2socket-headbolts(1/2x1-1/4
inches).

6.Drainthehydraulicuidfromthemotorintothedrain
pan.

7.Removethe2straighthydraulicttingsfromtheold
hydraulicmotor(Figure3).

Note:Discardtheoldhydraulicmotor.

8.Removethecouplerfromthetrencher-driveshaft
(Figure3).

Note:Discardtheoldcoupler.

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Procedure

1.Slidethenewcouplerontothetrencher-driveshaft
(Figure4).

2.Assemblethe2straighthydraulicttingsintothenew
hydraulicmotorforthetrencherdrive(Figure4)and
torquethettingsto135to164N∙m(99to121ft-lb).

Figure4

1.Coupler(trencher-drive
shaft)

2.Straighthydraulictting6.PortA(hydraulic

3.Spacerplate7.PortB(hydraulic

4.Lockwashers(3/4inch)

5.Socket-headbolts(1/2x
1-3/4inches)

motor—new)

motor—new)

3.Applyacoatofthread-lockingcompoundtothe
threadsofthe2newsocket-headbolts(1/2x1-3/4
inches).

3

g030066

4.Assemblethespacerplateoverthenewhydraulic
motorwiththeinsetstepofthespacerplateagainstthe
mountingfaceofthemotor(Figure4).

5.Alignthesplinesofthenewhydraulicmotorwith
thesplinesofthecouplerforthetrencher-driveshaft
(Figure4).

6.Aligntheholesinthehydraulicmotorandthespacer
platewiththeholesintheheadofthetrencher(Figure

4).

7.Assemblethehydraulicmotorandspacertothehead
ofthetrencher(Figure4)withthe2socket-headbolts
(1/2x1-3/4inches)and2lockwashers(3/4inch).

8.Torquetheboltsto91to113N∙m(67to83ft-lb).

4

ConnectingtheHydraulic
Hoses

NoPartsRequired

Figure5

1.Hose(withthecabletie)3.Straighthydraulic

2.Straighthydraulic
tting—portA(hydraulic
motor)

4.Hose(withoutthecable

g030068

tting—portB(hydraulic
motor)

tie)

Procedure

1.Assemblethehydraulichosewiththecabletiethat
youinstalledinstep3of2RemovingtheHydraulic

MotorfortheTrencherDrive(page2)ontothestraight

hydraulicttinginportA(theforwardport)ofthe
hydraulicmotor(Figure5).

Note:Thehose-to-portrelationshipisoppositefor
thenewhydraulicmotor.

2.Assembletheotherhydraulichoseontothestraight
hydraulicttingintheportB(therearport)ofthe
hydraulicmotor(Figure5).

3.Torquetheswivelnutsofthehosesto51to64N·m
(37to47ft-lb).

Note:Useabackupwrenchonthestraighthydraulic
ttings.

4

5

CheckingforLeaksand
ServicingtheHydraulicFluid

NoPartsRequired

CheckingforHydraulicLeaks

WARNING

Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.

Ifhydraulicuidisinjectedintotheskin,youmust
haveitsurgicallyremovedwithinafewhoursbya
doctorfamiliarwiththistypeofinjury.Gangrene
mayresultifthisisnotdone.

•Keepbodyandhandsawayfrompinholeleaksor
nozzlesthatejecthigh-pressurehydraulicuid.

•Usecardboardorpapertondhydraulicleaks.

•Safelyrelieveallpressureinthehydraulicsystem
beforeperforminganyworkonthehydraulic
system.

•Makesurethatallhydraulic-uidhosesand
linesareingoodconditionandthatallhydraulic
connectionsandttingsaretightbefore
applyingpressuretothehydraulicsystem.

1.Startthemachineandletitrunfor4or5minutes.

2.Checktherotationofthediggingchain(Figure6).

g030156

Figure6

3.Usingapieceofcardboard,checkforleaks.

Important:Repairallhydraulicleaks.

4.Shutofftheengineandremovethekeyfromthe
ignitionswitch.

ServicingtheHydraulicFluid

HydraulicFluidSpecication:

•ToroPremiumTransmission/HydraulicTractor

Fluid(refertoyourAuthorizedT oroDealerformore
information)

•ToroPremiumAll-SeasonHydraulicFluid(referto

yourAuthorizedToroDealerformoreinformation)

•IfeitheroftheaboveTorouidsarenotavailable,

youmayuseanotherUniversalTractorHydraulic

Fluid(UTHF),buttheymustbeonlyconventional,
petrolium-basedproducts.Thespecicationsmustfall

withinthelistedrangeforallofthefollowingmaterial
propertiesandtheuidshouldmeetthelistedindustry
standards.Checkwithyouroilsuppliertodetermineif
theoilmeetsthesespecications.

Note:Torowillnotassumeresponsibilityfordamage
causedbyimpropersubstitutions,souseonlyproducts
fromreputablemanufacturerswhowillstandbehindtheir
recommendations.

5

MaterialProperties

G007808

1

g015379

1

2

cStat40°C:55to62 Viscosity,ASTMD445

cStat100°C:9.1to9.8

Viscosityindex,ASTMD2270

PourPoint,ASTMD97-37°to-43°C(-35°to-46°F)

IndustryStandards

APIGL-4,AGCOPoweruid821XL,FordNewHolland
FNHA-2-C-201.00,KubotaUDT ,JohnDeereJ20C,Vickers
35VQ25andVolvoWB-101/BM.

140to152

1.Wait4to5minutesaftershuttingofftheengine.

2.Checkthehydraulicuidlevelinthesiteglassatthe
frontoftherightpanel(Figure7).

Note:Whenthehydraulic-uidlevelinthetankis
correct,thehydraulic-uidlevelisvisibleinthesite
glass.

Figure8

1.Top-coverplate

2.Flange-headbolt(3/8x1
inch)

B.Removethecap/hydrauliclterfromtheller

neckofthehydraulictank(Figure9).

g015379

Figure7

1.Siteglass(hydraulicuid)

3.Ifyoucannotseetheuidlevelinthesiteglass,
performthefollowing:

A.Loosenthe1rearbolt(3/8x1inch)and2

forwardbolts(3/8x1-1/2inches)thatsecurethe
top-coverplatetothemachineandremovethe
coverplate(Figure8).

g007808

g007839

Figure9

1.Fillercap

2.Hydrauliclter

C.Addthespeciedhydraulicuidintotheller

neckuntiltheuidlevelcovershalfthesiteglass
(Figure7).

D.Installthecapandlterintothellerneck(Figure

9)andtorquetheboltatthetopofthecapto13

to15.5N·m(110to140in-lb).

E.Assemblethetop-coverplateontothemachine

(Figure8)andtorquethe3bolts(3/8inch
diameter)to38to45N·m(27to33ft-lb).

6

Notes: