Toro 121-5680, 121-5681 Installation Instructions

SpindleKit

TITAN

ModelNo.121-5680

ModelNo.121-5681

Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.

®

Zero-Turn-RadiusRidingMower

Installation

LooseParts

Usethechartbelowtoverifythatallpartshavebeenshipped.

FormNo.3371-631RevA

InstallationInstructions

ProcedureDescription

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2

Nopartsrequired

Spindlehousing
Washer(.88inchO.D.)

1

PreparingtheMower

NoPartsRequired

Procedure

1.Thoroughlycleanmowerdeck.Alldebrismust
beremovedtoensurethespindlehousingwillt
properlyagainstmowerdeck.

2.Repairallbentordamagedareasofmowerdeckand
replaceanymissingparts.

Qty.

–

1

Preparethemower.

Installthespindlehousing.

Use

2

InstallingtheSpindleHousing

Partsneededforthisprocedure:

1

Spindlehousing

Washer(.88inchO.D.)

Procedure

WARNING

Whilemaintenanceoradjustmentsarebeingmade,
someonecouldstarttheengine.Accidentalstarting
oftheenginecouldseriouslyinjureyouorother
bystanders.

©2012—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420

Registeratwww.T oro.com.

Removethekeyfromtheignitionswitch,engage
parkingbrake,andpullthewire(s)offthespark
plug(s)beforeyoudoanymaintenance.Alsopush
thewire(s)asidesoitdoesnotaccidentallycontact
thesparkplug.

1.Parkthemachineonalevelsurface,disengagethe
bladecontrolswitch,andmovethemotioncontrol
leversoutwardtotheneutralpositionandengage
parkingbrake.

2.Stoptheengineandremovethekey.

OriginalInstructions(EN)

PrintedintheUSA.

AllRightsReserved

3.Allowthemachinetocoolbeforestartingthese

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2

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5

6

7

9

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10

instructions.

4.Raisethedecktothetransportposition.Liftthe
frontofthemachineandsupportusingjackstands
orequivalentsupport.

CAUTION

Raisingthemowerdeckforserviceor
maintenancerelyingsolelyonmechanical
orhydraulicjackscouldbedangerous.The
mechanicalorhydraulicjacksmaynotbe
enoughsupportormaymalfunctionallowing
themachinetofall,whichcouldcauseinjury.

DoNotrelysolelyonmechanicalorhydraulic
jacksforsupport.Useadequatejackstandsor
equivalentsupport.

5.Removeandretainthebeltguardsandthehardware.

6.Carefullyremovetheblade.Wrapthebladeorwear
glovesandusecautionwhenservicingthem.Inspect
bladeandsharpenorreplaceasrequired.

7.Removeandretainthepulley .

8.Removetheexistingspindlehousing.Retainall
hardwareandspindleasshownin
theexistingwasherandbearingshieldshownin
Figure1.

9.Installthespindlehousingprovidedinthiskitonto
themowerdeckandtightenthescrewsto200-250
in-lb(23-28N-m)(

Figure1).

10.Applyfoodgradeanti-seeze(i.e.Mobil®HTS
grease)betweenthespindleandbearings.Donot
useacopperornickelbasedanti-seeze.

11.Installthespindle,newwasher,pulleyandspindle
nut.T orquethespindleto75-85ft-lb(102-115N-m).

12.Applylubricanttothethreadsofthebladeboltas
neededtopreventseizing.Copperbasedanti-seize
ispreferable.Greaseisanacceptablesubstitute.
Reinstallthebladeandsheaveasshownin
RefertotheOperator’ sManualformoreinformation
onbladeinstallation.

13.Installthebeltguards.

Figure1.Discard

Figure1.

Figure1

1.Spindlenut—torqueto
75-85ft-lb(102-115N-m)

2.Pulley7.Blade

3.Newatwasher

4.Spindlehousingbolt—
torqueto200-250in-lb
(23-28N-m)

5.Spindlehousing

6.Spindle—lubricatewith
foodgradeanti-seeze(i.e.
Mobil®HTSgrease)

8.Bladebolt—torqueto
32-42ft-lb(43-57N-m)

9.Hexdrivewasher

10.Removeexistingwasher
andbearingshield

14.Removethejackstandsandlowerthemachine.

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