Exmark Frontrunner 720,000 & Higher Serial Nos. - Check Spark Plugs; Change Hydraulic System Filter; Check Wheel Hub Locknuts; Thread Locking Adhesives

Maintenance
2.Tiltseatforward.
3.Lubricateeachendofbothsteeringlinkagerods
withaspraylubricantorlightoil
CheckSparkPlugs
ServiceInterval:Every160hours
Removesparkplugs,checkconditionandresetgaps,
orreplacewithnewplugs.SeeEngineOwner’s
Manual.
ChangeFuelFilter
ServiceInterval:Asrequired
Afuellterisinstalledbetweenthefueltanksandthe
engine.Replacewhennecessary.
ReplacementFilters
KohlerKohler
P/N2405010–15Micron
Briggs&Stratton
Briggs&Stratton
P/N695327–30Micron
ChangeHydraulicSystem
Filter
ServiceInterval:Aftertherst250hours
Yearlythereafter
Note:UseonlyExmarkPartNo.103-2146.
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Carefullycleanareaaroundlter.Itisimportant
thatnodirtorcontaminationenterhydraulic
system.
3.Unscrewltertoremoveandallowoiltodrain
fromreservoir.
Important:Beforereinstallingnewlter,ll
itwithMobil115W-50andapplyathincoat
ofoilonthesurfaceoftherubberseal.
Turnlterclockwiseuntilrubbersealcontactsthe
lteradapter,thentightenthelteranadditional
2/3to3/4turn.
4.FillreservoirasstatedinCheckHydraulicOil
Levelsection.
5.Raisetherearofmachineupandsupportwith
jackstands(orequivalentsupport)justhigh
enoughtoallowdrivewheelstoturnfreely.
CAUTION
Raisingthemowerforserviceormaintenance
relyingsolelyonmechanicalorhydraulic
jackscouldbedangerous.Themechanicalor
hydraulicjacksmaynotbeenoughsupport
ormaymalfunctionallowingtheunittofall,
whichcouldcauseinjury.
DoNotrelysolelyonmechanicalorhydraulic
jacksforsupport.Useadequatejackstands
orequivalentsupport
6.Startengineandmovethrottlecontrolaheadto
fullthrottleposition.Movethespeedcontrol
leverstothefullspeedandrunforseveral
minutes.Shutdownmachineandrecheckoil
level.
Note:DoNotchangehydraulicsystemoil(except
forwhatcanbedrainedwhenchanginglter),unless
itisfelttheoilhasbeencontaminatedorbeen
extremelyhot.
Changingoilunnecessarilycoulddamagehydraulic
systembyintroducingcontaminatesintothesystem.
CheckWheelHubLocknuts
ServiceInterval:Aftertherst100hours
Every500hoursthereafter
Whentighteningthelocknutonthewheelmotor
taperedshaft:
Torqueto210-250ft-lb(285-339N-m).
Note:DoNotuseantiseizeonwheelhub.
FuelTank—Mounting
HardwareSpecications
ServiceInterval:Asrequired
Wheninstallingthenutsonthefueltankstuds,fully
tightenthenylocnutandbackoff1/2turn.This
allowsfornormalfueltankexpansionandcontraction
withchangesintemperatureandfuellevels.
ThreadLockingAdhesives
Threadlockingadhesivessuchas“Loctite242”
or“Fel-Pro,Pro-LockNutType”areusedonthe
followingfasteners:
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