Exmark Lazer Z Series - Parking Brake Adjustment

Maintenance
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Figure51
RHWingDeckShown
1.Rearhangermountingnuts
2.Rearheightadjustmenthardwarelocation
3.Singlepointrearadjustment
4.Fronthangermountingnuts
5.Frontheightadjustmenthardwarelocation
•Ifthedeckistoolow,tightenthefrontheight
adjustmentbolt(item5,Figure51)byrotating
thebottomnutclockwise.
•Ifthedeckistoohigh,loosenthefrontheight
adjustmentbolt(item5,Figure51)byrotating
thebottomnutcounterclockwise.Finetuned
therearadjustersasrequired.
Adjusttherearwheelheight(item2,Figure51)
sothattherearwheellightlytouchestheground
withminimalpressure.
4.Measurethebackofthewingblades.Ifeither
haslessthan1/16inch(1.5mm)rake,raisethe
backofthedeckbytighteningtheLHandRH
rearadjustments(item3,Figure51)untilall
fourbladeshaveaminimumof1/16inchrake
(1.5mm).Readjustthewingrearwheelssothey
lightlytouchthegroundwithminimalpressure.
Tightenallfourrearhangermountpoints(item
1,Figure51).
5.Retightenthefrontandrearheightofcuthanger
jamnuts.
DeckBeltTension
Self-tensioning-Noadjustmentnecessary.
ParkingBrakeAdjustment
ServiceInterval:Aftertherst100hours
Every400hoursthereafter
Checktomakesurebrakeisadjustedproperly.This
proceduremustbefollowedaftertherst100hours
orwhenabrakecomponenthasbeenremovedor
replaced.
CAUTION
Raisingthemowerdeckforserviceor
maintenancerelyingsolelyonmechanical
orhydraulicjackscouldbedangerous.The
mechanicalorhydraulicjacksmaynotbeenough
supportormaymalfunctionallowingtheunitto
fall,whichcouldcauseinjury.
DoNotrelysolelyonmechanicalorhydraulic
jacksforsupport.Useadequatejackstandsor
equivalentsupport.
1.Drivethemachineontoalevelsurface.
2.Disengagethebladecontrolswitch(PTO),move
themotioncontrolleverstotheneutrallocked
positionandengagetheparkingbrake(leverisin
the“up”position).
3.Stoptheengine,waitforallmovingpartstostop,
andremovethekey.
4.Raisethebackofthemachineupandsupportthe
machinewithjackstands.
5.Removethereartiresfromthemachine.
6.Removeanydebrisfromthebrakearea.
7.Rotatethedrivewheelreleasehandletothe
“released”position.RefertotheDriveWheel
ReleaseValvessectioninOperation.
8.Ifthelinkassemblyisattached(seeFigure52)
•inthefrontposition,thelength=8.63inches
(21.9cm).
•intherearposition,thelength=9.15inches
(23.2cm).
9.Thelengthofthespringshouldmeasure31/4
inches(8.3cm).
10.Oncethespringlengthisachieved,checktosee
ifthereisavisiblegapbetweenthetrunionand
theshoulder.
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