Maintenance
CheckforLooseHardware
ServiceInterval:Beforeeachuseordaily
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Visuallyinspectmachineforanyloosehardware
oranyotherpossibleproblem.Tightenhardware
orcorrecttheproblembeforeoperating.
ServiceAirCleaner
ServiceInterval:Every50hours—Service
theaircleaner.(May
needmoreoftenunder
severeconditions.See
theEnginemanualfor
additionalinformation.)
Every600hours—Replace
theaircleanerelements.
(Mayneedmoreoften
undersevereconditions.
SeetheEnginemanualfor
additionalinformation.)
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Loosenretainingclipsandremoveaircleaner
compartmentcover.
3.Removepaperelement.Checkthecondition
ofthepaperelement.Replaceifdirty,bentor
damaged.
4.Checktheconditionoftheinnerelement.Replace
wheneveritappearsdirty,typicallyeveryother
timethepaperelementisreplaced.Cleanthebase
aroundtheinnerelementbeforeremoving,so
dirtdoesnotgetintotheengine.
5.DoNotwashorusepressurizedairtoclean
paperelementorinnerelement.
6.Reinstallelements.Positionthecoversothatthe
rubberdustejectorispointingdownwardand
securewithretainingclips.
ChangeEngineOil
ServiceInterval:Aftertherst5hours
Every100hours(May
needmoreoftenunder
severeconditions.)
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Drainoilwhileengineiswarmfromoperation.
3.Theoildrainhoseislocatedonrighthandside
ofengine.Placepanundermachinetocatchoil.
Removeplugfromendofdrainhose.Allowoil
todrainandreplaceoildrainplug.Torqueplug
to20-24ft-lb.
4.Replacetheoilltereveryotheroilchange.Clean
aroundoillterandunscrewltertoremove.
Beforereinstallingnewlter,applyathincoating
ofoilonthesurfaceoftherubberseal.Turn
lterclockwiseuntilrubbersealcontactsthelter
adapterthentightenlteranadditional1/2to
3/4turn.
5.Cleanaroundoilllcapandremovecap.Fillto
speciedcapacityandreplacecap.
6.Useoilrecommendedinengineowner’smanual.
DoNotoverll.Starttheengineandcheckfor
leaks.Stopengineandrecheckoillevel.
CheckHydraulicOilLevel
ServiceInterval:Every40hours
1.Stopengineandwaitforallmovingpartstostop.
Engageparkingbrake.
2.Cleanareaaroundhydraulicreservoircapand
removecap.Oillevelshouldbetothetopofthe
bafeinsidethetank.Ifnot,addoil.UseExmark
PremiumHydrooil.Replacehydraulicreservoir
capandtightenuntilsnug.DoNotovertighten.
Note:Thebafeislabeled“HOT”and
“COLD”.Theoillevelvarieswiththe
temperatureoftheoil.The“HOT”levelshows
thelevelofoilwhenitisat225°F(107°C).The
“COLD”levelshowstheleveloftheoilwhen
itisat75°F(24°C).Filltotheappropriatelevel
dependinguponthetemperatureoftheoil.For
example:Iftheoilisabout150°F(65°C),llto
halfwaybetweenthe“HOT”and“COLD”levels.
Iftheoilisatroomtemperature(about75°F
(24°C)),llonlytothe“COLD”level.
CheckTirePressures
ServiceInterval:Every40hours
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Checktirepressureindrivetires.
3.Inatedrivetiresto12–14psi(83–97kPa).
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