Maintenance
6.AddoiluntilitreachestheFULLCOLDlineon
theexpansionreservoir.
ExmarkPremiumHydroOilisrecommended.
Refertothechartforanacceptablealternative:
HydroOilChangeInterval
ExmarkPremiumHydro
Oil(Preferred)
500Hours
Mobil115W50250Hours
7.Raisetherearofmachineupandsupportwith
jackstands(orequivalentsupport)justhigh
enoughtoallowdrivewheelstoturnfreely.
CAUTION
Raisingthemowerforserviceormaintenance
relyingsolelyonmechanicalorhydraulic
jackscouldbedangerous.Themechanicalor
hydraulicjacksmaynotbeenoughsupport
ormaymalfunctionallowingtheunittofall,
whichcouldcauseinjury.
DoNotrelysolelyonmechanicalorhydraulic
jacksforsupport.Useadequatejackstands
orequivalentsupport.
8.Startengineandmovethrottlecontrolaheadto
1/2throttleposition.Disengageparkingbrake.
A.Withthebypassvalveopenandtheengine
running,slowlymovethedirectionalcontrol
inbothforwardandreverse(5or6times).
B.Withthebypassvalveclosedandtheengine
running,slowlymovethedirectionalcontrol
inbothforwardandreversedirections(5to6
times).
C.ItmaybenecessarytorepeatstepsAand
Buntilalltheairiscompletelypurgedfrom
thesystem.Whenthetransaxleoperatesat
normalnoiselevelsandmovessmoothly
forwardandreverseatnormalspeeds,then
thetransaxleisconsideredpurged.
Note:DoNotchangehydraulicsystemoil(except
forwhatcanbedrainedwhenchanginglter),unless
itisfelttheoilhasbeencontaminatedorbeen
extremelyhot.
Changingoilunnecessarilycoulddamagehydraulic
systembyintroducingcontaminatesintothesystem.

FuelTank—Mounting

HardwareSpecications

ServiceInterval:Asrequired
Wheninstallingthenutsonthefueltankstuds,fully
tightenthenylocnutandbackoff1/2turn.This
allowsfornormalfueltankexpansionandcontraction
withchangesintemperatureandfuellevels.

ThreadLockingAdhesives

Threadlockingadhesivessuchas“Loctite242”
or“Fel-Pro,Pro-LockNutType”areusedonthe
followingfasteners:
•Clutchretainingboltintheendofengine
crankshaft.
•Casterwheelspacernuts.
•Cutterhousingspindlenut.
Adhesivessuchas“LoctiteRC/609orRC/680”or
“Fel-ProPro-LockRetainingIorRetainingII”are
usedonthefollowing:
Fueltankstuds,wherestudsareinsertedintotank.

MobilHTSGrease(Or

Food-GradeAnti-seize)

MobilHTSgrease(orfood-gradeanti-seize)isused
inthefollowinglocations:
•Betweenthecutterhousingspindleandbearings.
•Betweenthecutterhousingspindleandsheave.
•Undertopcutterhousingbearingguard.

DielectricGrease

Dielectricgreaseisusedonallbladetypeelectrical
connectionstopreventcorrosionandlossofcontact.
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