Toro 75930 - Brake Maintenance; Adjusting the Parking Brake

BrakeMaintenance
AdjustingtheParking
Brake
ServiceInterval:Aftertherst100hours
Every500hoursthereafter
Note:Performthisprocedurewheneveryouremove
orreplaceabrakecomponent.
1.Drivethemachineontoalevelsurface.
2.Disengagetheblade-controlswitch(PTO),move
themotioncontrolleverstotheNEUTRAL-LOCK
position,andengagetheparkingbrake.
3.Shutofftheengine,waitforallmovingpartsto
stop,andremovethekey.
4.Raisethebackofthemachineandsupportthe
machinewithjackstands.
DANGER
Mechanicalorhydraulicjacksmayfail
tosupportmachineandcauseaserious
injury.
•Usejackstandswhensupporting
machine.
•Donotusehydraulicjacks.
5.Removethereartiresfromthemachine.
6.Removeanydebrisfromthebrakearea.
7.Rotatethedrive-wheelreleasehandleto
thereleasedposition;refertoUsingthe
Drive-Wheel-ReleaseValves(page31).
8.Checktoseeifthereisavisiblegapbetween
theL-bracketandthelinkagestop(Figure78).
g026961
Figure78
LeftSideShown
1.L-bracket4.Rearlinkageassembly
2.Linkagestop
5.Caliper
3.Gap
6.Wheelhub
9.Disengagetheparkingbrake,thelevershould
beinthedownposition.
10.Turnthewheelhubbyhandinbothdirections
relativetothecaliper;thewheelhubshould
movefreelybetweenthecaliper.
11.Ifagapisneededorthewheelhubdoesnot
movefreely:
A.Disengagetheparkingbrake.
B.Disconnectandne-tunetherearlinkage
assembly:
•Shortenthelinktocreateagap.
•Lengthenthelinktoallowwheelhub
movement.
C.Connecttherearlinkageassembly.
12.Engagetheparkingbrakeandcheckthegap.
13.Repeatsteps9through13untilavisiblegapis
achievedandthewheelhubrotatesfreely.
14.Repeatthisprocedureforthebrakeonthe
oppositeside.
15.Rotatethedrive-wheelreleasehandleto
theoperatingposition;refertoUsingthe
Drive-Wheel-ReleaseValves(page31).
16.Installthereartiresandtorquethelugnuts;refer
toCheckingtheWheel-LugNuts(page51).
17.Removethejackstands.
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