FormNo.3424-338RevB
BlowerKit
GrandStand
®
MultiForceMower
ModelNo.78593—SerialNo.402860000andUp
Registeratwww.Toro.com.
OriginalInstructions(EN)
*3424-338*B
WARNING
CALIFORNIA
Proposition65Warning
Useofthisproductmaycauseexposure
tochemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Introduction
Thisblowerisintendedtobeusedbyprofessional,
hiredoperators.Itisprimarilydesignedtousewind
powertoquicklyclearlargeareasofunwanteddebris
onwell-maintainedlawns,parks,golfcourses,sports
elds,andoncommercialgrounds.
Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoid
injuryandproductdamage.Youareresponsiblefor
operatingtheproductproperlyandsafely.
YoumaycontactT orodirectlyatwww.T oro.com
forproductsafetyandoperationtrainingmaterials,
accessoryinformation,helpndingadealer,orto
registeryourproduct.
Wheneveryouneedservice,genuineToroparts,or
additionalinformation,contactanAuthorizedService
DealerorT oroCustomerServiceandhavethemodel
andserialnumbersofyourproductready.Figure1
identiesthelocationofthemodelandserialnumbers
ontheproduct.Writethenumbersinthespace
provided.
Important:Withyourmobiledevice,youcan
scantheQRcodeontheserialnumberdecal(if
equipped)toaccesswarranty,parts,andother
productinformation.
g246145
Figure1
1.Locationofthemodelandserialnumbers
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafety-alertsymbol
(Figure2),whichsignalsahazardthatmaycause
seriousinjuryordeathifyoudonotfollowthe
recommendedprecautions.
g000502
Figure2
1.Safety-alertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.
©2018—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
2
Contactusatwww.Toro.com.
PrintedintheUSA
AllRightsReserved
Contents
Safety.......................................................................3
GeneralSafety...................................................3
SafetyandInstructionalDecals..........................4
Setup........................................................................5
1PreparingtheMachine.....................................5
2InstallingtheWheelWeightKit
(Optional)........................................................5
3PositioningtheCasterWheels.........................5
4RemovingtheRightFanGuard........................6
5InstallingtheBlower.........................................7
Operation................................................................10
OperationSafety..............................................10
OperatingtheBlower........................................10
UsingtheKickstand...........................................11
RemovingtheBlower........................................13
OperatingTips.................................................15
Maintenance...........................................................16
MaintenanceSafety..........................................16
CheckingtheBelts............................................16
ReplacingtheBlowerBelt.................................16
ReplacingtheClutchBelt..................................17
CheckingtheHydraulicHoses..........................17
RemovingDebrisfromtheMachine..................17
Safety
GeneralSafety
Thisproductiscapableofthrowingobjects.Always
followallsafetyinstructionstoavoidseriouspersonal
injury.
Usingthisproductforpurposesotherthanitsintended
usecouldprovedangeroustoyouandbystanders.
•Readandunderstandthecontentsofthis
Operator’sManualbeforestartingtheengine.
•Useyourfullattentionwhileoperatingthe
machine.Donotengageinanyactivitythat
causesdistractions;otherwise,injuryorproperty
damagemayoccur.
•Donotputyourhandsorfeetnearmoving
componentsofthemachine.
•Donotoperatethemachinewithoutallguards
andothersafetyprotectivedevicesinplaceand
workingonthemachine.
•Keepclearofanydischargeopening.Keep
bystandersandpetsasafedistanceawayfrom
themachine.
•Keepchildrenoutoftheoperatingarea.Never
allowchildrentooperatethemachine.
•Stopthemachine,shutofftheengine,andremove
thekeybeforeservicing,fueling,orunclogging
themachine.
Improperlyusingormaintainingthismachinecan
resultininjury.Toreducethepotentialforinjury,
complywiththesesafetyinstructionsandalways
payattentiontothesafety-alertsymbol
,which
meansCaution,Warning,orDanger—personalsafety
instruction.Failuretocomplywiththeseinstructions
mayresultinpersonalinjuryordeath.
Youcanndadditionalsafetyinformationwhere
neededthroughoutthisOperator’sManual.
3
SafetyandInstructional
Decals
Safetydecalsandinstructionsare
easilyvisibletotheoperatorandare
locatednearanyareaofpotential
danger.Replaceanydecalthatis
damagedormissing.
decal119-0217
119-0217
1.Warning—shutofftheengine;stayawayfrommovingparts;
keepallguardsandshieldsinplace.
decal137-3999
137-3999
1.Warning—readthe
Operator’sManual.
3.Warning—wearhearing
andeyeprotection.
2.Thrownobject
hazard—keepbystanders
awayfromthemachine.
4.Cutting/dismemberment
hazardofhands—shut
offtheengine;keep
handsawayfrommoving
parts;keepallguardsand
shieldsinplace.
4
Setup
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescription
Qty.
Use
1
Nopartsrequired
–
Preparethemachine.
2
WheelWeightKit(soldseparately)
1
InstalltheWheelWeightKit(optional).
3
Nopartsrequired
–
Positionthecasterwheels.
4
Nopartsrequired
–
Removethefanguard.
Blowerassembly1
Bushingassembly2
Carriagebolt(3/8x2-1/4inches)
2
Locknut(3/8inch)
2
Receiverhitch1
Heatshield1
Bumper2
Thread-formingscrew(1/4x1/2inch)
2
Stopbracket
1
Carriagebolt(3/8x1inch)
1
Nut(3/8inch)
1
Washer1
Spacer
1
5
Thread-formingscrew(1/4x1-1/4inch)
1
Installtheblower.
Important:InstalltheLowFlowHydraulicsKitonyourmachinebeforeinstallingthiskit.
1
PreparingtheMachine
NoPartsRequired
Procedure
1.Parkthemachineonalevelsurface.
2.LowertheA-frame.
3.DisengagethePTO,engagetheparkingbrake,
andmovethemotion-controlleversoutwardto
theNEUTRAL-LOCKposition.
4.Shutofftheengineandremovethekey.
2
InstallingtheWheelWeight
Kit(Optional)
Partsneededforthisprocedure:
1
WheelWeightKit(soldseparately)
Procedure
Installingwheelweightscanimprovetractionon
themachinewhenusingtheblower;refertothe
InstallationInstructionsfortheWheelWeightKit.
5
3
PositioningtheCaster
Wheels
NoPartsRequired
Procedure
Forbothcasters,removethenutandbolt,movethe
castertothefrontposition,andinstallthenutandbolt
(Figure3).Torqueto91to113N∙m(67to83ft-lb).
g230693
Figure3
1.Nutandbolt
4
RemovingtheRightFan
Guard
NoPartsRequired
Procedure
1.Removethefueltank;refertotheOperator’s
Manualforthemachine.
2.Removeandretainthe2bolts,2nuts,andthe
rightfanguard(Figure4).
g246823
Figure4
1.Nut(3/8inch)3.Rightfanguard
2.Bolt(3/8x1-1/4inch)
3.Installtheboltsandnutsyouremovedand
torqueto41to49N∙m(30to36ft-lb).
4.Installthefueltank.
6
5
InstallingtheBlower
Partsneededforthisprocedure:
1Blowerassembly
2Bushingassembly
2
Carriagebolt(3/8x2-1/4inches)
2
Locknut(3/8inch)
1Receiverhitch
1Heatshield
2Bumper
2
Thread-formingscrew(1/4x1/2inch)
1
Stopbracket
1
Carriagebolt(3/8x1inch)
1
Nut(3/8inch)
1Washer
1
Spacer
1
Thread-formingscrew(1/4x1-1/4inch)
Procedure
1.Removetheair-cleanercoverandlter;referto
theOperator’sManualforthemachine.
2.Installthe2bumpersontheheatshield(Figure
5).
g256852
Figure5
1.Heatshield2.Bumper
3.Removethetopcarriageboltandnutsecuring
themuferguardtothemachine(Figure6).
g246215
Figure6
1.Carriagebolt3.Muferguard
2.Nut
4.Looselyinstalltheheatshieldoverthemufer
guard,withthetabsinsidethemuferguardand
totheinsideoftheconsoletower,usingthe2
thread-formingbolts(1/4x1/2inch)andthe
carriageboltandnutyouremovedpreviously
(Figure7).
Important:Tominimizedebrisbuildupon
themufer,installtheheatshieldonthe
machinewhenusingtheblower.
g256853
Figure7
1.Carriagebolt
4.Heatshield
2.Nut
5.Thread-formingbolt—1/4
x1/2inch(2)
3.Drillhere.
6.Tab(insidemuferguard)
7
5.Usingthecenterholeintheheatshieldasa
template,drillahole(7/32inch)intothemufer
guard(Figure7).
6.Usethethread-formingbolt(1/4x1-1/4inch)
andwashertoinstallthespacerbetweenthe
heatshieldandmuferguard(Figure8).
g256854
Figure8
1.Thread-formingbolt(1/4x
1-1/4)
3.Spacer
2.Washer
7.Torquethe3thread-formingboltsto4.5N∙m
(40in-lb).
Note:Donottorquethecarriageboltatthis
time.
8.Installtheair-cleanerlterandcover.
9.Useacarriagebolt(3/8x2-1/4inches)andnut
(3/8inch)toinstallthebushingassembliesto
themachine(Figure9).T orquetheboltto37to
45N∙m(27to33ft-lb).
Note:Therubberangeofthebushingshould
facetowardtheinsideofthemachineasshown
inFigure9.
g250302
Figure9
1.Carriagebolt(3/8x2-1/4
inches)
3.Nut(3/8inch)
2.Bushingassembly
4.Rubberange
8
10.Useacarriagebolt(3/8x1inch)andalocknut
(3/8inch)toinstallthestopbrackettotheright
sideofthemachine(Figure10).Torquethebolt
to37to45N∙m(27to33ft-lb).
g250341
Figure10
1.Locknut(3/8inch)3.Carriagebolt(3/8x1inch)
2.Stopbracket
11.Removethehitchpinandcotterpinfromthe
A-frameanduseittoinstallthehitchreceiver
(Figure11).Ensurethatthepinlocksthe
A-frametothecrosstube.
g230752
Figure11
1.Hitchreceiver
3.Cotterpin
2.Hitchpin
12.Movetheblowerinfrontofthemachineandlay
thebeltunderneaththemachinesothatitis
linedupwiththeclutch(Figure12).
g230767
Figure12
1.Blowerassembly
3.Clutch
2.Belt
13.Placetheblowerassemblyforksontothe
bushingassemblies(Figure13).
g250511
Figure13
14.Installthebeltontotheclutch.Verifythatthe
beltisstillroutedontheblowerpulleysandis
seatedproperlyinthepulleygrooves.
Note:Youcanuseadriveratchet(1/2inch)to
movetheleftidlerpulley(Figure14).
g231579
Figure14
1.Driveratchet2.Pulley
9
15.RaisetheblowerasdescribedinRaisingthe
Blower(page12).
16.Connectthehydraulichosestothe
quick-disconnectcouplingsontheLowFlow
HydraulicsKit.
WARNING
Hydraulicuidescapingunderpressure
canpenetrateskinandcauseinjury.
Fluidinjectedintotheskinmustbe
surgicallyremovedwithinafewhoursby
adoctorfamiliarwiththisformofinjury;
otherwise,gangrenemayresult.
•Ensurethatallhydraulic-uidhoses
andlinesareingoodconditionandall
hydraulicconnectionsandttingsare
tightbeforeapplyingpressuretothe
hydraulicsystem.
•Keepyourbodyandhandsawayfrom
pinholeleaksornozzlesthateject
high-pressurehydraulicuid.
•Usecardboardorpapertond
hydraulicleaks;neveruseyour
hands.
Operation
OperationSafety
•Themachineexceedsnoiselevelsof85dB(A)at
theoperator’sposition.Usehearingprotection
forprolongedexposuretoreducethepotentialof
permanenthearingdamage.
•Wearappropriateclothingincludingeyeprotection;
longpants;substantial,slip-resistantfootwear;
andhearingprotection.Tiebacklonghairanddo
notwearlooseclothingorloosejewelry.
•Stayawayfromthenozzleopeningwhenthe
machineisoperating.Keepallbystandersaway
fromthenozzleopeninganddon’tdirectdischarge
towardbystanders.
•Whenapersonorpetappearsunexpectedlyinor
neartheoperatingarea,stopoperation.Careless
operation,combinedwithterrainangles,ricochets,
orimproperlypositionedguardscanleadtothrown
objectinjuries.Donotresumeoperationuntilthe
areaisclearedofpeopleandpets.
•Shutofftheengine,removethekey,waitforall
movementtostop,andallowthemachinetocool
beforeadjusting,cleaning,storing,orrepairingit.
OperatingtheBlower
Important:Donotoperatetheblowerwithoutthe
heatshieldinstalledonthemachine.
Tooperatetheblower,starttheengine,movethe
motion-controlleverstothecenter,unlockedposition,
movethethrottleleverbetweenhalfandfullthrottle,
andengagethePTO(Figure15).
g009174
Figure15
Usetherightswitchforthelowowkittorotatethe
nozzletothedesireddirection(Figure16),anduse
thethrottlelevertoadjusttheblowerspeed.
Note:Ifyouwouldliketochangethedirectionthe
nozzlerotateswhenyoumovetheswitchaparticular
direction,removethequick-disconnectcouplingsfrom
theLow-FlowHydraulicsKithosesandinstallthemon
theoppositehoses.
10
g037041
Figure16
1.Notusedwiththiskit2.Rotatetheblowernozzle.
Ensuretocleandebrisfromthemachineregularly.
WARNING
Dischargedairhasconsiderableforceand
couldcauseinjuryorlossoffooting.
•Stayawayfromthenozzleopeningwhen
themachineisoperating.
•Keepbystandersawayfromthenozzle
openingwhenthemachineisoperating.
UsingtheKickstand
LoweringtheBlower
1.Rotatetheblowernozzlesothatitpoints
upward.
2.Parkthemachineonalevelsurface,disengage
thePTO,movethemotion-controlleverstothe
NEUTRAL-LOCKposition,andengagetheparking
brake.
3.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
4.Pulloutthekickstandlockingpinsonbothsides
ofthemachine,rotatethem90degreessothat
theyaredisengaged,androtatethekickstand
awayfromthemachine(Figure17).Engagethe
pinsandensurethattheysnapintoposition.
g230843
Figure17
1.Kickstandlockingpinin
theengagedposition
3.Kickstandintheblower
operatingposition
2.Kickstandlockingpinin
thedisengagedposition
4.Kickstandintheblower
storageposition
5.Removethehitchpinandhairpincottersecuring
theblowerassemblytothehitchreceiver(Figure
18).
g230859
Figure18
1.Hairpincotter2.Hitchpin
11
6.Holdthekickstandandpushthereleaselever
down.Slowlylowerthekickstandtotheground.
Note:Oncetheleverdisengagesthehitchpin,
theblowerrotatesdown.
g230858
Figure19
1.Releaselever
RaisingtheBlower
1.Raisetheblowersothatitlatchesonthehitch
receiver(Figure20andFigure21).
g230769
Figure20
g230770
Figure21
1.Hairpincotter2.Hitchpin
2.Securetheassemblytothehitchreceiverusing
thehitchpinandhairpincotterattachedtothe
receiver(Figure21).
3.Pulloutthekickstandlockingpinsonbothsides
ofthemachine,rotatethem90degreessothat
theyaredisengaged,andraisethekickstand
(Figure22).Engagetheknobsandensurethat
thepinssnapintoposition.
g230843
Figure22
1.Kickstandlockingpinin
theengagedposition
3.Kickstandintheblower
operatingposition
2.Kickstandlockingpinin
thedisengagedposition
4.Kickstandintheblower
storageposition
12
RemovingtheBlower
1.Parkthemachineonalevelsurface,disengage
thePTO,engagetheparkingbrake,and
movethemotion-controlleversoutwardtothe
NEUTRAL-LOCKposition.
2.Shutofftheengineandremovethekey.
3.Disconnecttheblowerhydraulichosesfromthe
quick-disconnectcouplingsontheLowFlowKit.
4.Lowertheblower;refertoLoweringtheBlower
(page11).
5.Removethebeltfromtheclutch.
Note:Ifneeded,useadriveratchet(1/2inch)
tomovetheleftidlerpulley(Figure23).
g231579
Figure23
1.Driveratchet2.Pulley
6.Lifttheblowerassemblyoffthebushing
assembliesonthemachine.
7.Removethehitchpin,cotterpin,andhitch
receiverfromtheA-frame.Installthehitchpin
andcotterpintosecuretheA-frame(Figure24).
g246845
Figure24
1.Hitchreceiver
3.Cotterpin
2.Hitchpin
8.Removethestopbrackets(Figure25).
g250341
Figure25
1.Locknut(3/8inch)3.Carriagebolt(3/8x1inch)
2.Stopbracket
9.Removebothbushingassemblies(Figure26).
13
g230751
Figure26
1.Bolt3.Nut
2.Bushingassembly
10.Usethefastenerstostorethebushing
assembliesontheleftsideoftheblowerframe
(Figure27).
g246867
Figure27
1.Bolt3.Nut
2.Bushingassembly
11.Removethespacer
g256854
Figure28
1.Thread-formingbolt(1/4x
1-1/4)
3.Spacer
2.Washer
12.Removetheheatshield(Figure29).
Important:Wheneveryouinstalltheblower
onanothermachine,alsoinstalltheheat
shield.
g256855
Figure29
1.Carriagebolt
3.Heatshield
2.Nut
4.Thread-formingbolt(2)
13.Installthecarriageboltandnuttosecurethe
muferguard.T orquetheboltto1978to2542
N∙cm(175to225in-lb).
14.Removethefueltank;refertotheOperator’s
Manualforthemachine.
14
15.Removethe2boltsand2nutsfromtheright
sideofthemachineandusethemtoinstallfan
guard(Figure30).Torquetheboltsto37to45
N∙m(27to33ft-lb).
g246823
Figure30
1.Nut(3/8inch)
3.Fanguard
2.Bolt(3/8x1-1/4inches)
16.Installthefueltank.
OperatingTips
•Practiceoperatingtheblower.Blowthesame
directionthewindisblowingtopreventmaterial
fromblowingbackintotheclearedarea.
•Beawareoftheblowernozzledirectionanddonot
pointitatanyone.
•Adjustthenozzleopeningsothatitblowsunder
thedebris.
•Usecautionwhenblowingaroundnewlyplanted
sodastheforceoftheaircoulddisruptthegrass.
•Thenozzleoutletpositionaffectsthedistance
debriscanbeblown.
•Whenyourotatethenozzle,rotateitupwardand
aroundtopreventblowingdebrisbackintothe
clearedarea.
15
Maintenance
MaintenanceSafety
•Parkthemachineonalevelsurface.Neverallow
untrainedpersonneltoservicethemachine.
•Usejackstandstosupportthemachinewhen
required.
•Removethekeyfromtheswitchonthetraction
unittopreventaccidentalstartingoftheengine
whenservicing,adjusting,orstoringthemachine.
•Performonlythosemaintenanceinstructions
describedinthismanual.Iftheblowerrequiresa
majorrepair,contactanauthorizedTorodistributor.
•Ensurethatthemachineisinsafeoperating
conditionbykeepingnuts,bolts,andscrewstight.
•Keepyourhandsandfeetawayfrommovingparts.
Donotmakeadjustmentswiththeenginerunning.
•Keepallpartsingoodworkingconditionandall
hardwaretightened.Replaceallwornordamaged
decals.
•Toensureoptimumperformanceandcontinued
safetycerticationofthemachine,useonly
genuineTororeplacementpartsandaccessories.
Replacementpartsandaccessoriesmadeby
othermanufacturerscouldbedangerous,and
suchusecouldvoidtheproductwarranty.
CheckingtheBelts
ServiceInterval:Every300hours
Checkthebeltsforcracks,frayededges,burnmarks,
oranyotherdamage.Replacedamagedbelts.
ReplacingtheBlowerBelt
1.Parkthemachineonalevelsurface,disengage
thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Removethebeltcover(Figure31).
g246599
Figure31
1.Bolt(3)
2.Beltcover
4.Loosenthenutonthetoppulleyandslidethe
pulleyuptoreleasetensiononthebelt(Figure
32).
g250730
Figure32
Blowernozzlenotshownforclarity
1.Toppulley3.Rollerbearing
2.Belt
5.Removetherollerbearing(Figure32).
6.Removethebeltandinstallanewbelt(Figure
32).
7.Installtherollerbearing(Figure32)
8.Slidethetoppulleydownuntilthebeltdeection
is5mm(0.19inch)atthecenterofthelargest
spanandtightenthenut(Figure32).
16
ReplacingtheClutchBelt
1.Parkthemachineonalevelsurface,disengage
thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Lowertheblower.
4.Loosenthenozzleclampandremovethenozzle.
5.Removethebeltfromthemachineclutch.
Note:Youcanuseadriveratchet(1/2inch)to
movetheleftidlerpulley(Figure14).
6.Removethebeltfromthefanpulley(Figure33).
g246640
Figure33
1.Fanpulley4.Belt
2.Rightidlerpulley
5.Clutchpulley
3.Leftidlerpulley
7.Routethebeltdownthroughthedriveadapter
assembly,aroundtheidlerpulleys,andaround
theclutchpulley(Figure33).Ensurethatthe
beltisseatedproperlyinthepulleygrooves.
Note:Ifneeded,youmayuseadriveratchet
(1/2inch)tomovetheleftidlerpulley(Figure14).
CheckingtheHydraulic
Hoses
ServiceInterval:Every100hours
Checkthehydraulichosesforleaks,loosettings,
kinkedlines,loosemountingsupports,wear,weather,
andchemicaldeterioration.
WARNING
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.Fluidinjected
intotheskinmustbesurgicallyremoved
withinafewhoursbyadoctorfamiliarwith
thisformofinjury;otherwise,gangrenemay
result.
•Ensurethatallhydraulic-uidhoses
andlinesareingoodconditionandall
hydraulicconnectionsandttingsaretight
beforeapplyingpressuretothehydraulic
system.
•Keepyourbodyandhandsawayfrom
pinholeleaksornozzlesthateject
high-pressurehydraulicuid.
•Usecardboardorpapertondhydraulic
leaks;neveruseyourhands.
RemovingDebrisfromthe
Machine
ServiceInterval:Aftereachuse
1.Parkthemachineonalevelsurface,disengage
thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Cleandebrisfromthedrives,mufer,andengine
aftereachuse.
17
Notes:
Notes:
/
