Toro Groundsmaster 7200 Series - Checking the Cooling System; Cooling System Level Check

•Preferred:Whenmixingcoolantfroma
concentrate,mixitwithdistilledwater.
•Preferredoption:Ifdistilledwaterisnotavailable,
useapre-mixcoolantinsteadofaconcentrate.
•Minimumrequirement:Ifdistilledwaterand
pre-mixcoolantarenotavailable,mixconcentrated
coolantwithcleandrinkablewater.
CheckingtheCooling
System
ServiceInterval:Beforeeachuseordaily
Thecoolingsystemislledwitha50/50solutionof
waterandpermanentethyleneglycolantifreeze.The
capacityofthecoolingsystemis7.5L(6USqt).
1.Checkthelevelofthecoolantintheexpansion
tank(Figure44).
Note:Thecoolantlevelshouldbebetweenthe
marksonthesideofthetank.
g004649
Figure44
1.Expansiontank
2.Ifcoolantlevelislow,removetheexpansion-tank
capandreplenishthesystem.
Important:Donotoverll.
3.Installtheexpansion-tankcap.
CleaningtheRadiator
ServiceInterval:Beforeeachuseordaily
Every1,500hours—Replacemovinghoses.
Every200hours—Inspectthecooling-system
hosesandseals.Replacethemifcrackedor
torn.
Every2years—Flushandreplacethe
cooling-systemuid.
Cleantheradiatortopreventtheenginefrom
overheating.
Note:Ifthecuttingunitorengineshutsoffdueto
overheating,checktheradiatorforexcessivebuildup
ofdebris.
Cleantheradiatorasfollows:
1.Openthehood.
2.Workingfromthefansideoftheradiator,blow
outdebriswithlowpressure(345kPaor50psi),
compressedair.Repeatfromthefrontofthe
radiatorandtheotherfanside.
Important:Donotusewater.
3.Afteryouthoroughlycleantheradiator,cleanout
debristhatmayhavecollectedinthechannelat
theradiatorbase.
4.Closethehood.
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