Toro 78580 Installation Instructions

Heavy-DutySpindleKit

ZMaster

ModelNo.78580

LooseParts

Usethechartbelowtoverifythatallpartshavebeenshipped.

®

RidingMowers

FormNo.3374-260RevA

InstallationInstructions

Description

Nopartsrequired

Spindleassembly
Bolt(3/8x3/4inch)
Curvedwasher
Flatwasher3
Bolt(M10-1.5x25)
Nut(M10-1.5)

PreparingtheMower

1.Thoroughlycleanmowerdeck.Alldebrismustbe
removedtoensurespindlewilltproperlyagainst
mowerdeck.

2.Repairallbentordamagedareasofmowerdeckand
replaceanymissingparts.

InstallingtheNewSpindle

WARNING

Whilemaintenanceoradjustmentsarebeingmade,
someonecouldstarttheengine.Accidentalstarting
oftheenginecouldseriouslyinjureyouorother
bystanders.

Qty.

Use

–

1
3
3

6
6

Preparethemower.

Installthenewspindle.

5.Raisethedecktothetransportposition.

6.RaisethefrontofthemachineandsupportitwithaZ
Stand®orjackstands(orequivalentsupport).

CAUTION

Raisingthemowerdeckforserviceor
maintenancerelyingsolelyonmechanical
orhydraulicjackscouldbedangerous.The
mechanicalorhydraulicjacksmaynotbe
enoughsupportormaymalfunctionallowing
themachinetofall,whichcouldcauseinjury.

DoNotrelysolelyonmechanicalorhydraulic
jacksforsupport.Useadequatejackstands
orequivalentsupport.

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

1.Parkthemachineonalevelsurface,disengagethe
bladecontrolswitch,andmovethemotioncontrol
leversoutwardtotheneutralpositionandengage
parkingbrake.

2.Removethebeltcoversfromthemowerdeck.

3.Removethemowerbeltfromthepulleysonthemower
deck.

4.Removethethreeboltsholdingthedeckpulleytothe
aluminumhub.Savethedeckpulleyanddiscardthe
bolts(

Figure1).

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8111LyndaleAvenueSouth
Bloomington,MN55420

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7.Removethebladefromthespindle.Savetheblade,
curvedwasherandbladebolt.

8.Removethespindleassemblyfromthemowerdeck.

9.Installthenewspindleassemblyunderthemower
deckwith6bolts(M10-1.5x25)and6nuts(M10-1.5)
(

Figure1).

10.Alignthethreeholesinthedeckpulleywiththethree
holesinthespindlehubandinstall3bolts(3/8x
3/4inch),3smallcurvedwashersand3atwashers
(Figure1).

11.Installthebladetothespindlewiththebladeboltand
largecurvedwasher.Torquethebladeboltto85-110
ft-lb(115-150N-m)(

OriginalInstructions(EN)

PrintedintheUSA.

AllRightsReserved

Figure1).

*3374-260*A

g019588

1
2
3

4

5

6

7
8

9

Figure1

1.Bolt(3/8x3/4inch)

2.Curvedwasher7.Curvedwasher

3.Flatwasher8.Bladebolt

4.Nut(M10-1.5)9.Bolt(M10-1.5x25)

5.Spindle

6.Blade

2