Toro 74953 - Cooling System Maintenance; Cleaning the Engine Screen and Engine-Oil Cooler; Cleaning the Engine Cooling Fins and Shrouds

F.Performthefollowingsafetycheck:
i.Sitontheseatandstarttheengine.
ii.Makesurethatthebladesdonotengage
withthePTOswitchedoffandtheclutch
disengaged.
Iftheclutchdoesnotdisengage,install
theshimandreferenceTroubleshooting
(page63).
iii.EngageanddisengagethePTOswitch
10consecutivetimestoensurethatthe
clutchisfunctioningproperly.Ifthe
clutchdoesnotengageproperly,reference
Troubleshooting(page63).
CoolingSystem
Maintenance
CleaningtheEngineScreen
andEngine-OilCooler
ServiceInterval:Beforeeachuseordaily
Removeanybuildupofgrass,dirt,orotherdebrisfromthe
oilcooler(Figure69).
G008804
Figure69
Beforeeachuseremoveanybuildupofgrass,dirt,or
otherdebrisfromtheenginescreen.Thiswillhelpensure
adequatecoolingandcorrectenginespeedandwillreduce
thepossibilityofoverheatingandmechanicaldamagetothe
engine(Figure70).
CleaningtheEngineCooling
FinsandShrouds
ServiceInterval:Every100hours/Yearly(whichevercomes
rst)
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Removetheairintakescreen,recoilstarterandfan
housing(Figure70).
4.Cleanthedebrisandgrassfromtheengineparts.
5.Installairintakescreen,recoilstarterandfanhousing
(Figure70).
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