FormNo.3376-913RevA
ISOMountSeatKit
ZMaster
®
RidingMower
ModelNo.78581
InstallationInstructions
Installation
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescription
Qty.
Use
1
Nopartsrequired
–
Removetheseat.
Nut(3/8-16)
4
Nut(5/16-18)
12
SeatIsolator
4
Bolt(5/16x3/4)
8
Washer4
Plasticcabletie1
2
TiltFrameAssembly1
Installtheseat.
3
Nopartsrequired
–
Testthesafetyinterlocksystem.
1
RemovingtheSeat
NoPartsRequired
1.Ensurethatallmovingpartshavestopped.Setthe
parkingbrakeandremovethekey.
2.Slidetheseatallthewayforwardanddisconnectthe
seatwireharnessfromthemainwireharness.
3.Removetheplastictieholdingtheseatwireharness
totheseatmountframe.
4.Removetherearhardware,loosentheframebolts,and
slidetheseatframeforwardintheslots(Figure1).
Figure1
1.Rearhardwarelocation3.Bolts,nuts,andslots
2.Seatframe
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8111LyndaleAvenueSouth
Bloomington,MN55420
Registeratwww.T oro.com.
OriginalInstructions(EN)
PrintedintheUSA.
AllRightsReserved
*3376-913*A
5.Removetheseatplatefromtheseatbyremovingthe
spacersandangenuts(Figure2).
Figure2
2
InstallingtheISOMountframe
Partsneededforthisprocedure:
4
Nut(3/8-16)
12
Nut(5/16-18)
4
SeatIsolator
8
Bolt(5/16x3/4)
4Washer
1Plasticcabletie
1TiltFrameAssembly
1.Removeandretainthescrews,bolts,andnutsforthe
fueltakecover.
Note:Becarefulsoasnottodamagethewireharness.
2.Mountthe2isolatorstothefrontsideofthefueltank
coverwhereshowninFigure3using4ofthecarriage
boltsandnuts.
G015542
1
2
9
10
10
4
5
6
3
8
7
Figure3
1.Seat6.Coverboltandnuts
2.Spacer7.Coverscrews
3.Seatframe
8.Fueltankcover
4.Nut
9.Spacers
5.Flangenuts10.Washers
3.Repeatontherearsideofthefueltankcover.
4.Installthefueltankcover.
5.Installthetiltframeassemblyontothe4isolatorsand
securethemwiththe4angednuts.
6.Torquethenutsto47.5N-m(35ft-lb).
7.Installthewashersontotheseatstudsandmountthe
seattothetiltframeassembly(
Figure4).
Figure4
1.Seat
3.Nut
2.Seatframe
8.Securetheseattothetiltframeassemblywiththenuts.
Torqueto30.5N-m(22.5ft-lbs).
9.Plugtheseatharnessconnectorintotheseatswitch
locatedundertheseat.
10.Slowlylowertheseatdownandensurethatthewire
harnessdoesnotgetpinched.
11.Movetheseattothefurthestrearposition.
2
Note:Ensurethatthewireharnessdoesnotget
pinched.
12.Installtheplastictietopreventthewireharnessfrom
beingpinched.
3
TestingtheSafetyInterlock
System
NoPartsRequired
Procedure
CAUTION
Ifsafetyinterlockswitchesaredisconnectedor
damagedthemachinecouldoperateunexpectedly
causingpersonalinjury.
•Donottamperwiththeinterlockswitches.
•Checktheoperationoftheinterlockswitches
dailyandreplaceanydamagedswitchesbefore
operatingthemachine.
Thesafetyinterlocksystemisdesignedtopreventtheengine
fromstartingunless:
•Theparkingbrakeisengaged.
•Thebladecontrolswitch(PTO)isdisengaged.
•Themotioncontrolleversareintheneutrallocked
position
Thesafetyinterlocksystemalsoisdesignedtostopthe
enginewhenthetractioncontrolsaremovedfromthelocked
positionwiththeparkingbrakeengagedorifyourisefrom
theseatwhenthePTOisengaged.
Thehourmeterhassymbolstonotifytheuserwhenthe
interlockcomponentisinthecorrectposition.Whenthe
componentisinthecorrectposition,atrianglewilllightup
inthecorrespondingsquare.
Testthesafetyinterlocksystembeforeyouusethemachine
eachtime.Ifthesafetysystemdoesnotoperateasdescribed
below ,haveanAuthorizedServiceDealerrepairthesafety
systemimmediately.
1.Sittingontheseat,engagetheparkingbrakeandmove
thebladecontrolswitch(PTO)toon.Trystartingthe
engine;theengineshouldnotcrank.
2.Sittingontheseat,engagetheparkingbrakeandmove
thebladecontrolswitch(PTO)tooff.Moveeither
motioncontrollever(outofneutrallockedposition).
Trystartingtheengine;theengineshouldnotcrank.
Repeatforothercontrollever.
3.Sittingontheseat,engagetheparkingbrake,movethe
bladecontrolswitch(PTO)tooffandmovethemotion
controlleverstoneutrallockposition.Nowstartthe
engine.Whiletheengineisrunning,releasetheparking
brake,engagethebladecontrolswitch(PTO)andrise
slightlyfromtheseat;theengineshouldstop.
4.Sittingontheseat,engagetheparkingbrake,movethe
bladecontrolswitch(PTO)tooffandmovethemotion
controlleverstoneutrallockposition.Nowstartthe
engine.Whiletheengineisrunning,centereither
motioncontrolandmove(forwardorreverse);the
engineshouldstop.Repeatforothermotioncontrol.
5.Sittingontheseat,disengagetheparkingbrake,move
thebladecontrolswitch(PTO)tooffandmovethe
motioncontrolleverstoneutrallockposition.Try
startingtheengine;theengineshouldnotcrank.
3
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