Toro 30881 - Cleaning the Cooling System

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Figure111
1.Expansiontank
3.Checkthecoolantlevelintheradiator.The
radiatorshouldbelledtothetopoftheller
neckandtheexpansiontanklledtotheFULL
mark(Figure111).
4.Ifthecoolantislow,adda50/50mixtureofwater
andethyleneglycolanti-freeze.Donotuse
wateronlyoralcohol/methanolbasedcoolants.
5.Installtheradiatorcapandexpansion-tankcap.
CleaningtheCooling
System
ServiceInterval:Beforeeachuseordaily—Remove
debrisfromtheenginearea,oil
cooler,andradiator(cleanthem
morefrequentlyindirtyconditions).
Thismachineisequippedwithahydraulicallydriven
fandrivesystemthatautomatically(ormanually)
reversestoreduceoilcooler/radiatorandscreen
debrisbuildup.Whilethisfeaturecanhelpreduce
thetimerequiredtocleanoilcooler/radiator,itdoes
noteliminatetheneedforroutinecleaning.Periodic
cleaningandinspectionoftheradiator/coolerisstill
required.
1.Parkthemachineonalevelsurface,engagethe
parkingbrake,lowerthemowerdecks,shutoff
theengine,andremovethekey.
2.Unlatchandswingopentherearscreen(Figure
112).
Note:T oremovethescreen,liftitoffthehinge
pins.
3.Cleanthescreenthoroughlyofalldebris.
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Figure112
1.Rear-screenlatch
4.Thoroughlycleanbothsidesoftheoilcoolerand
theradiatorwithcompressedair(Figure113).
Note:Startfromthefrontandblowthedebris
outtowardtheback.Thencleanfromthe
backsideandblowtowardthefront.Repeat
procedureseveraltimesuntilyouremoveall
chaffanddebris.
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Figure113
1.Oilcooler/radiator
Important:Cleaningtheoilcooler/radiator
withwaterpromotesprematurecorrosion
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