Toro 74978 - Cooling System Maintenance; Cleaning the Engine Screen and Engine Oil Cooler; Cleaning the Engine Cooling Fins and Shrouds; Check and Clean the Hydraulic Unit Shrouds

CoolingSystem
Maintenance
CleaningtheEngineScreen
andEngineOilCooler
ServiceInterval:Beforeeachuseordaily
Removeanybuild-upofgrass,dirtorotherdebrisfromthe
oilcooler(Figure70).
G021395
Figure70
Beforeeachuseremoveanybuild-upofgrass,dirtor
otherdebrisfromtheenginescreen.Thiswillhelpinsure
adequatecoolingandcorrectenginespeedandwillreduce
thepossibilityofoverheatingandmechanicaldamagetothe
engine.
CleaningtheEngineCooling
FinsandShrouds
ServiceInterval:Every100hours/Yearly(whichevercomes
rst)
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Removethecoolingshroudsandfanhousing.
4.Cleanthedebrisandgrassfromtheengineparts.
5.Installthecoolingshroudsandfanhousing.
CheckandCleantheHydraulic
UnitShrouds
ServiceInterval:Beforeeachuseordaily
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Raisetheseat.
4.Cleanthedebrisandgrassfromthehydraulicunit
shrouds(
Figure71).
5.Lowertheseat.
G021397
Figure71
1.Hydraulicunitshrouds
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