Toro Z Master 74941CP - Brake Maintenance; Adjusting the Parking Brake

BrakeMaintenance
AdjustingtheParkingBrake
ServiceInterval:Aftertherst100hours
Every500hoursthereafter
Checktomakesurebrakeisadjustedproperly.This
proceduremustbefollowedaftertherst100hoursor
whenabrakecomponenthasbeenremovedorreplaced.
1.Drivethemachineontoalevelsurface.
2.Disengagethebladecontrolswitch(PTO),movethe
motioncontrolleverstotheneutrallockedposition
andsettheparkingbrake.
3.Stoptheengine,waitforallmovingpartstostop,
andremovethekey.
4.Raisethebackofthemachineupandsupportthe
machinewithjackstands.
DANGER
Mechanicalorhydraulicjacksmayfailto
supportmachineandcauseaseriousinjury.
•Usejackstandwhensupportingmachine.
•Donotusehydraulicjacks.
5.Removethereartiresfromthemachine.
6.Removeanydebrisfromthebrakearea.
7.Rotatethedrivewheelreleasehandletothereleased
position.RefertotheUsingtheDriveWheel
ReleaseValvessectioninOperation.
8.Measuretheoveralllengthofthecompression
spring.Thecorrectlengthshouldbebetween1-1/2
and1-9/16inches(3.8and4.0cm).Ifthespring
lengthiswithinthisrange,noadjustmentisneeded.
Ifitisnot,proceedtostep
9.
9.Holdthethreadedrodendwithatoolandadjust
thelocknutuntilthespringlengthisbetween1-1/2
and1-9/16inches(3.8and4.0cm)(
Figure72).Do
Notallowthecabletoturnwhenthenutsarebeing
loosened.
Figure72
LeftHandBrakeShown
1.Cableanchor5.Caliper
2.Holdthreadedrodhere
6.Compressionspring
3.Measure7.Threadedrod
4.Locknut8.Hub
10.Disengagetheparkbrake.Turnthewheelhubby
handinbothdirectionsrelativetothecaliper;no
dragofthecaliperpadonthewheelhubisdesired.
11.Ifthereisnomovementbetweenthehubandthe
caliperthenrepeattheadjustment(driverelease
valvesmustbeinthereleasedpositiononthe
hydros).
12.Afteradjustingthebrakesonbothsidesofthe
mower,cyclethebrakehandleaminimumofsix
timestoallowthecabletoseatintothesheathand
mountingtabs.
13.Recheckthespringlength;engagetheparkbrake
andrepeatsteps
8through11ifthelengthisnotin
thecorrectrange.
14.Rotatethedrivewheelreleasehandletothe
operatingposition.RefertotheUsingtheDrive
WheelReleaseValvessectioninOperation.
15.Installthereartiresandtorquelugnutsbetween90
and95ft-lb(122and129N-m).
16.Removejackstands.
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