Exmark SAR481KA30 - Brake System Adjustments

Maintenance
5.Tightenhydromountingbolts.
6.AdjustmotioncontrolsasstatedintheMotion
ControlLinkageAdjustmentsection.
DriveWheelChainTension
Adjustment
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Lifttherearoftheunitandsupportusingjack
standsorequivalentsupport.
3.Checkthechainsonbothsidesoftheunitfor
propertension.Thechainsshouldbeableto
moveupanddown1/2-3/4inch(12-19mm).
4.Adjusttheidlersprockets.
5.Recheckthechaintensionandtightentheidler
bolt.
TineDriveChainAdjustment
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Lifttherearoftheunitandsupportusingjack
standsorequivalentsupport.
3.Checkthechainsonbothsidesoftheunitfor
propertension.Thechainsshouldbeableto
moveupanddown1/2-3/4inch(12-19mm).
4.Adjusttheidlersprocket.
5.Recheckthechaintensionandtightentheidler
bolt.
AdjustingtheParkingBrake
Iftheparkingbrakedoesnotholdsecurely,an
adjustmentisrequired.
1.Parkthemachineonalevelsurface.
2.Shutoffengineandwaitforallmovingpartsto
stop.
3.Checktheairpressureinthedrivetires.Ifneeded,
adjusttotherecommendedination;referto
CheckTirePressures(page25).
4.Disengagetheparkbrake.
5.Loosentheadjustmentnutonthebrakecable
undertheconsole.
6.Engagetheparkbrake.
7.Adjustthenutpositionuntil31/8inch(7.9cm)
fromthebottomoflinktobottomofspring.See
Figure13.
Figure13
1.31/8inch(7.9cm)
8.Tightenthecableadjustmentnuts.
9.Checktheparkbrake;repeatsteps5through8if
necessary.
AdjustingtheBrakeSwitch
1.Parkthemachineonalevelsurface.
2.Shutoffengineandwaitforallmovingpartsto
stop.
3.Priortheadjustingthebrakeswitchensure
theparkbrakeisproperlyadjusted.See
AdjustingtheParkingBrake(page31).
4.Engagetheparkbrake.
5.Checkthedistancefromtheparkbrakeswitch
brackettothehydrobrakearm.Thedistance
shouldbe1/8inch(3.2mm).See
Figure14.
31