Toro groundmaster 7210 - Cooling System Maintenance

CoolingSystem
Maintenance
DANGER
Discharginghotpressurizedcoolantor
touchinghotradiatorandsurroundingparts
cancausesevereburns.
•Donotremovetheradiatorcapwhenthe
engineishot.Alwaysallowtheengineto
coolatleast15minutesoruntiltheradiator
capiscoolenoughtotouchwithout
burningyourhandbeforeremovingthe
radiatorcap.
•Donottouchradiatorandsurrounding
partsthatarehot.
DANGER
Therotatingfananddrivebeltcancause
personalinjury.
•Donotoperatethemachinewithoutthe
coversinplace.
•Keepngers,handsandclothingclearof
rotatingfananddrivebelt.
•Shutofftheengineandremovetheignition
keybeforeperformingmaintenance.
CAUTION
Swallowingenginecoolantcancause
poisoning.
•Donotswallowenginecoolant.
•Keepoutofreachfromchildrenandpets.
CheckingtheCooling
System
ServiceInterval:Beforeeachuseordaily
Thecoolingsystemislledwitha50/50solution
ofwaterandpermanentethylene-glycolantifreeze.
Checkthelevelofthecoolantintheexpansiontankat
thebeginningofeachdaybeforestartingtheengine.
Thecapacityofthecoolingsystemis7.5liters(6
quarts).
1.Checkthelevelofthecoolantintheexpansion
tank(Figure75).
Note:Thecoolantlevelshouldbebetweenthe
marksonthesideofthetank.
g022120
Figure75
1.Expansiontank
2.Ifcoolantlevelislow,removetheexpansion-tank
capandreplenishthesystem.
Important:Donotoverll
3.Installtheexpansion-tankcap.
CleaningtheRadiator
ServiceInterval:Beforeeachuseordaily
Every1,500hours
Every200hours
Every2years
Topreventtheenginefromoverheating,theradiator
mustbekeptclean.Itmaybenecessarytocheckand
cleantheradiatormorefrequentlyinextremelydusty
anddirtyconditions.
Note:Ifthemowerdeckorengineshutsoffdueto
overheating,rstchecktheradiatorforexcessive
buildupofdebris.
Cleantheradiatorasfollows:
1.Openthehood.
2.Workingfromthefansideoftheradiator,blow
outdebriswithlowpressure(345kpa;50psi)
compressedair.Repeatthestepfromthefront
oftheradiatorandagainfromthefanside.
Important:Donotusewatertocleanthe
radiator.
3.Afteryouthoroughlycleantheradiator,cleanout
debristhatmayhavecollectedinthechannelat
theradiatorbase.
4.Closethehood.
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