Toro 78431 Operator's Manual

FormNo.3415-967RevA

E-ZVac

TITAN

ModelNo.78431—SerialNo.400000000andUp

®

™

HDRidingMower

HDTwinBagger

Registeratwww.T oro.com.
OriginalInstructions(EN)

*3415-967*A

Proposition65Warning

ThisproductcontainsachemicalorchemicalsknowntotheStateofCalifornia

tocausecancer,birthdefects,orreproductiveharm.

Introduction

Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoid
injuryandproductdamage.Y ouareresponsiblefor
operatingtheproductproperlyandsafely .

YoumaycontactT orodirectlyatwww.T oro.com
forproductsafetyandoperationtrainingmaterials,
accessoryinformation,helpndingadealer,orto
registeryourproduct.

Wheneveryouneedservice,genuineToroparts,or
additionalinformation,contactanAuthorizedService
DealerorToroCustomerServiceandhavethemodel
andserialnumbersofyourproductready.Figure1
andFigure2identifythelocationofthemodeland
serialnumbersontheproduct.Writethenumbersin
thespaceprovided.

WARNING

CALIFORNIA

g003368

Figure2

1.Blowermodelandserial-numberlocation

Figure1

1.Baggermodelandserial-numberlocation

ModelNo.

SerialNo.

Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafety-alertsymbol
(Figure3),whichsignalsahazardthatmaycause
seriousinjuryordeathifyoudonotfollowthe
recommendedprecautions.

g037983

g000502

Figure3

1.Safety-alertsymbol

Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.

©2017—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420

Contactusatwww.Toro.com.

2

PrintedintheUSA

AllRightsReserved

Contents

Safety.......................................................................4

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

Setup........................................................................7

1PreparingtheMachine.....................................8

2InstallingtheROPSPin....................................9

3InstallingtheWeightKit....................................9

4InstallingtheBaggerSupport.........................10

5InstallingtheBaggerBrackets........................12

6InstallingtheTransmissionSupport................12

7InstallingtheCrossBrace..............................13

8InstallingtheBaggerFrame...........................13

9InstallingtheBags.........................................14

10InstallingtheHitchCover.............................14

11RemovingtheExistingBeltCover,

Bracket,andDischargeChute.......................15

12InstallingtheBlower-PulleyAssembly

andBelt-CoverBracket.................................16

13InstallingtheBafe.......................................19

14InstallingtheBlowerAssembly.....................20

15InstallingtheBlowerBelt,Spring,and

Blower-BeltCover.........................................22

16InstallingtheDischargeTubes.....................23

17AdjustingtheParkingBrake.........................25

18CheckingtheTirePressure..........................26

Operation................................................................26

EmptyingtheGrassBags.................................27

ClearingObstructionsfromtheBagger

System..........................................................27

RemovingtheBagger.......................................28

TransportingtheMachine.................................28

OperatingTips.................................................28

Maintenance...........................................................30

RecommendedMaintenanceSchedule(s)...........30

CleaningtheHoodScreen................................30

CleaningtheBaggerandBags.........................30

InspectingtheBlowerBelt................................30

ReplacingtheBlowerBelt.................................30

GreasingtheIdlerArm......................................31

InspectingtheBagger.......................................32

InspectingtheMowerBlades............................32

SelectingtheMowerBlades.............................32

ReplacingtheGrassDeector..........................32

Storage...................................................................33

Troubleshooting......................................................34

3

Safety

equipment,withtheoperatorcontrols,andsafety
signs.

•Becomefamiliarwiththesafeoperationofthe

WARNING

Toavoidpersonalinjury,followthese
procedures:

•Becomefamiliarwithalloperatingand
safetyinstructionsintheOperator's
Manualforthemachinebeforeusingthis
attachment.

•Neverremovethedischargetube,bags,
baggerhood,orthechutewhiletheengine
isrunning.

•Alwaysshutofftheengineandwaitforall
movingpartstostopbeforeclearingan
obstructionfromthebaggingsystem.

•Neverdomaintenanceorrepairswhilethe
engineisrunning.

WARNING

Whenthebaggerisinoperation,theblower
isrotatingandcancutofforinjurehandsand
ngers.

•Beforeadjusting,cleaning,repairing,
andinspectingtheblower,andbefore
uncloggingthechute,shutofftheengine
andwaitforallmovingpartstostop.
Removethekey .

•Useastick,notyourhands,toremovean
obstructionfromtheblowerandtube.

•Keephandsandfeetawayfrommoving
parts.Donotmakeadjustmentswiththe
enginerunning.

•Useextracarewithgrasscatchersorother

attachments.Thesecanchangetheoperating
characteristicsandthestabilityofthemachine.

•Followtherecommendationsforaddingor

removingweightsasdescribedintheOperator’s
Manualforthemachine.

•Donotuseagrasscatcheronsteepslopes.A

heavygrasscatchercouldcauselossofcontrol
oroverturnthemachine.

•Slowdownanduseextracareonhillsides.Mow

slopessidetoside.Turfconditionscanaffectthe
stabilityofthemachine.Useextremecaution
whileoperatingneardrop-offs.

•Keepallmovementonslopesslowandgradual.

Donotmakesuddenchangesinspeed,directions,
orturning.

•Thegrasscatchercanobstructtheviewtothe

rear.Useextracarewhenoperatingthemachine
inreverse.

•Usecarewhenloadingorunloadingthemachine

intoatruckortrailer.

•Donotusethemowerdeckwithoutthedischarge

deectororgrasscatcher.

•Stopthemachineonlevelground,disengagethe

drives,engagetheparkingbrake,andshutoff
enginebeforeleavingtheoperator'spositionfor
anyreasonincludinguncloggingoremptyingthe
grasscatcher.

•Ifyouremovethegrasscatcher,installany

dischargedeectororguardthatwasremoved
toinstallthegrasscatcher.Donotoperatethe
machinewithouteithertheentiregrasscatcheror
thegrassdeectorinplace.

WARNING

Debris,suchasleaves,grass,orbrushcan
catchre.Areintheengineareacancause
personalinjuryandpropertydamage.

•Keeptheengineandmuferareafreeof
debrisaccumulation.

•Takecarewhenopeningthebaggercover
tokeepdebrisfromfallingontotheengine
andmuferarea.

•Allowthemachinetocoolbeforestoringit.

Thefollowinglistcontainssafetyinformationspecic
toToroproductsandothersafetyinformationyou
mustknow.

•Donotleavegrassingrasscatcherforextended

periodsoftime.

•Grasscatchercomponentsaresubjecttowear,

damage,anddeterioration,whichcouldexpose
movingpartsorallowobjectstobethrown.
Frequentlycheckcomponentsandreplacethem
withmanufacturer'srecommendedpartswhen
necessary.

4

SafetyandInstructionalDecals

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea
ofpotentialdanger.Replaceanydecalthatisdamagedormissing.

126-9451

1.Thrownobjectshazard—donotruntheblowerwithoutthe
entirecollectionsysteminstalledandlatched.

2.Warning—ReadtheOperator’smanualabout
counterbalanceweightinstallation.

3.Lossoftractionandsteeringorreducedstabilityhazard—Ez
Vaccounterbalanceweight(s)installedwithouttheEzV ac
maycauselossoftractionandsteeringcontrol.TheEzVac
installedwithouttheEzVaccounterbalanceweight(s)can
causereducedstability.Installweight(s)onlywhentheEz
Vacisinstalled.

decal106-5517

decal126-9451

1.Warning—donottouchthehotsurface.

106-5517

126-4659

1.Warning—hotpulley;allowtocool.

126-4853

1.Impeller/Rotatingbladeshazard—keephandsawayfrom
movingparts.Keepallsafetydevicesinplaceandworking.
Donotreachintotheblowerunlesstherotationindicator
hasstopped.

decal126-4659

decal126-4662

126-4662

1.Warning—readtheOperator’sManualforthecorrect
quantityofcounterbalanceweight(s).

2.Lossoftractionandsteeringorreducedstabilityhazard—Ez
Vaccounterbalanceweight(s)installedwithouttheEzV ac
maycauselossoftractionandsteeringcontrol.TheEzVac
installedwithouttheEzVaccounterbalanceweight(s)can
causereducedstability.Installweight(s)onlywhentheEz
Vacisinstalled.

decal126-4853

5

126-9595

1.Rotationindicator

2.Impeller/RotatingBladeshazard-Keephandsawayfrom
movingparts.Keepallsafetydevicesinplaceandworking.
Donotreachintotheblowerunlesstherotationindicator
hasstopped.DisengagethePTO,shutofftheengine,
removethekey,andwaitforallmovingpartstostop.

decal126-9595

6

Setup

LooseParts

Usethechartbelowtoverifythatallpartshavebeenshipped.

ProcedureDescription

1

2

3

4

5

Nopartsrequired

ROPS-pinassembly
Bolt(#10x3/4inch)
Washer(#10)
Weight2
Channelplate
Plate2
Tabbedplate2
Bolt(3/8x2-1/2inches)
Nut(3/8inch)
Flatweight2
Leftbaggersupport
Rightbaggersupport1
Leftsupportbracket
Rightsupportbracket1
Bolt(5/16x3inches)
Bolt(3/8x1inch)
Flangenut(5/16inch)
Flangenut(3/8inch)
Washer6
Baggerbracket2
Bolt(3/8x1inch)
Washer4
Flangenut(3/8inch)

Qty.

Use

–

2
2
2

2

4
4

1

1

4
2
4
2

4

4

Preparethemachine.

InstalltheROPSpin.

Installtheweights.

Installthebaggersupport.

Installthebaggerbrackets.

6

7

8

9
10

11

Transmissionsupport1Installthetransmissionsupport.

Crossbrace
Bolt(5/16x1-1/4inches)
Flangenut(5/16inch)
Washer(3/8inch)
Bagsupport1
Lock-pinassembly2

Bags2Installthebags.

Hitchcover1Installthehitchcover.

Nopartsrequired

1
2
2
2

–

Installthecrossbrace.

Installtheframe.

Removetheexistingbeltcover,bracket,
anddischargechute.

7

ProcedureDescription

12

13

14

15

16

Blower-pulleyassembly1
Belt-coverbracket1
Speednut
Carriagebolt(1/4x3/4inch)
Locknut(1/4inch)
Locknut(3/8inch)
Blowerpulley1
Locknut(3/4inch)
Washer1
Pulleymount1
Bafe
Carriagebolt(5/16x7/8inch)
Flangenut(5/16inch)
Carriagebolt(3/8x7/8inch)
Flangenut(3/8inch)
Blowerassembly1
Pivotpin1
Rollpin(3/16x7/8inch)
Blowerbelt1
Blower-beltcover1
Coverknob
Uppertube1
Lowertube1
Bolt(#10x3/4inch)
Locknut(#10)
Washer(7/32inch)

Qty.

Use

1
2
2
3

1

1
1
1
2
2

1

1

3
3
3

Installtheblower-pulleyassembly.

Installthebafe.

Installtheblowerassembly .

Installthebaggerbelt,spring,and
blower-beltcover.

Installthedischargetubes.

17
18

Nopartsrequired

Nopartsrequired

–

–

Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.

5.Repairallbentordamagedareasofmachine
deckandreplaceanymissingparts.

1

PreparingtheMachine

NoPartsRequired

6.Cleanthemachineofanydebrisonthemachine
deckorrearpartofthemachinetoease
installation.

Procedure

1.Parkthemachineonalevelsurface.

2.Disengagetheblade-controlswitch,engage
theparkingbrake,andmovethemotion-control
leversoutwardtotheNEUTRAL-LOCKposition.

Adjusttheparkingbrake.

Checkthetirepressure.

3.Shutofftheengineandremovethekey.

4.Ensurethatthemachineissecurefrom
movementbeforeyoubegintoworkonit.

8

2

3

InstallingtheROPSPin

Partsneededforthisprocedure:

2

ROPS-pinassembly

2

Bolt(#10x3/4inch)

2

Washer(#10)

Procedure

1.Usea#18(0.170inchdiameter)drillbitanddrill
outthelanyardholeintheROPS(Figure4).

InstallingtheWeightKit

Partsneededforthisprocedure:

2Weight

2

Channelplate

2Plate

2Tabbedplate

4

Bolt(3/8x2-1/2inches)

4

Nut(3/8inch)

2Flatweight

Procedure

1.Usethebolts(3/8x2-1/2inches),nutstosecure
theplatestotheweight(Figure5).

Figure4

1.Drillwitha#18(0.170inch
diameter)drillbit

2.Washer(#10)4.ROPSpin

2.Usetheself-tappingscrew(#10x3/4inch)and

washertosecuretheROPS-pinassemblyto
eachsideoftheROPSassembly(Figure4).

3.InserttheROPSpinintotheholeintheROPS

(Figure4).

3.Self-tappingscrew(#10x
3/4inch)

g038295

Figure5

1.Weight4.Tabbedplate

2.Channelplate5.Bolt(3/8x2-1/2inches)

3.Plate

2.Addtheatweighttotheweightassemblyfora
machinewitha122cm(48inches)mowerdeck
(Figure6).

9

6.Nut(3/8inch)

g185955

Figure6

1.Nut(3/8inch)

2.Flatweight

3.Weightassembly

3.Usetheknob,washer,andcarriagebolt(3/8x
3-1/2inch)tosecureacasterweighttoeach
casterarm(Figure7).

4

InstallingtheBagger Support

Partsneededforthisprocedure:

1

Leftbaggersupport

g037628

1Rightbaggersupport

1

1Rightsupportbracket

4

2

4

2

6Washer

Procedure

Leftsupportbracket

Bolt(5/16x3inches)

Bolt(3/8x1inch)

Flangenut(5/16inch)

Flangenut(3/8inch)

1.Carriagebolt(3/8x3-1/2inch)

2.Weight

3.Washer

4.Knob

5.Casterarm

Figure7

1.Removetheboltsandnutsthatsecuretheupper
trimtothemachine(Figure8).

Note:Donotperformthisstepona1500

Seriesmachine.

g037892

g037891

1.Flangenut3.Bolt

2.Uppertrim

Figure8

2.Removetheboltsandnutsthatsecuretheleft
sideoftherearguardtotheframe(Figure9).

Note:Performthefollowingstepson1sideof

themachine,thentheother.

10

Figure9

g038184

1.Boltsecuringtheofthe
rearguard

2.Rearguard

3.Flangenutsecuringthe
rearguard

3.Aligntheholesinthesupportbrackettothe
holesintheframe(Figure10).

Figure10

1.Bolt(5/16x3-1/4inches)3.Supportbracket

2.Washer

g037987

Figure11

1.Flangenut(3/8inch)5.Bolt(5/16x3-1/4inches)

2.Washer6.Washer

3.Bolt(3/8x1inch)7.Flangenut(5/16inch)

4.Baggermount

8.Supportbracket

6.Aligntheholesinthebaggermounttothe2
boltsthatyouinsertedearlierandsecureitwith
the2angenuts(Figure11).

7.Tightenallthehardwarethatyouinstalled.

8.Performpreviousstepsontheothersideofthe
machine.

g037985

4.Insertthe2bolts(5/16x3-1/4inches)with
washersintotheholes(Figure10).

Note:Donotinstalltheangenutsatthistime.

5.Looselyinstallthebolt(1inch),washer,and
angenutthatsecuresthebaggermounttothe
transmissionmount(Figure11).

11