Toro 74480 - Cleaning the Cooling System; Checking the Spark Arrester; Replacing the Emissions-Air Intake Filter

CleaningtheCooling
System
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch(PTO),andengagethe
parkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Removetheairlterfromtheengine.
4.Removetheengineshroud.
5.Topreventdebrisenteringtheairintake,install
theairltertothelterbase.
6.Cleandebrisandgrassfromtheparts.
7.Removetheairlterandinstalltheengine
shroud.
8.Installtheairlter.
CheckingtheSpark
Arrester
ForMachineswithaSpark
Arrester
ServiceInterval:Every50hours
WARNING
Hotexhaust-systemcomponentsmayignite
fuelvaporsevenafteryoushutofftheengine.
Hotparticlesexhaustedduringengine
operationmayigniteammablematerials,
resultinginpersonalinjuryorproperty
damage.
Donotrefuelorruntheengineunlessthe
sparkarresterisinstalled.
1.Parkthemachineonalevelsurface,disengage
thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Waitforthemufertocool.
4.Ifyouseeanybreaksinthescreenorwelds,
replacethearrester.
5.Ifthescreenisplugged,removethearrester,
shakelooseparticlesoutofthearrester,and
cleanthescreenwithawirebrush(soakthe
screeninsolventifnecessary).
6.Installthearresterontheexhaustoutlet.
Replacingthe
Emissions-AirIntakeFilter
ServiceInterval:Every500hours
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch(PTO),andengagethe
parkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Removethelterfromtheventhose.
4.Insertanewlterintotheendoftheventhose.
44