Toro 74991 - NO TITLE; Adjusting the Parking Brake

BrakeMaintenance
AdjustingtheParking
Brake
ServiceInterval:Aftertherst100hours
Every500hoursthereafter
Checktomakesurethebrakeisadjustedproperly
beforeadjusting.
Note:Thisproceduremustbefollowedafterthe
rst100hoursorwhenabrakecomponenthasbeen
removedorreplaced.
1.Drivethemachineontoalevelsurface.
2.Disengagetheblade-controlswitch(PTO),move
themotion-controlleverstotheneutral-locked
positionandengagetheparkingbrake.
3.Stoptheengine,waitforallmovingpartsto
stop,andremovethekey.
4.Raisethebackofthemachineupandsupport
themachinewithjackstands.
DANGER
Mechanicalorhydraulicjacksmayfail
tosupportmachineandcauseaserious
injury.
•Usejackstandwhensupporting
machine.
•Donotusehydraulicjacks.
5.Removethereartiresfromthemachine.
6.Removeanydebrisfromthebrakearea.
7.Rotatethedrivewheelreleasehandletothe
releasedposition.RefertoUsingtheDrive
WheelReleaseValves(page30).
8.Checktoseeifthereisavisiblegapbetween
theL-bracketandthelinkagestop(Figure81).
g026961
Figure81
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.Reconnecttherearlinkageassembly.
12.Engagetheparkingbrakeandcheckthegap.
13.Repeatsteps9through13untilavisiblegapis
achievedandthewheelhubrotatesfreely.
14.Repeatthisprocedureforthebrakeonthe
oppositeside.
15.Rotatethedrivewheelreleasehandletothe
operatingposition.RefertoUsingtheDrive
WheelReleaseValves(page30).
16.Installthereartiresandtorquethelugnuts.
RefertoCheckingtheWheelLugNuts(page
52).
17.Removethejackstands.
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