Toro 74906 - 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,installthe
shimandreferencetheTroubleshooting
section.
iii.EngageanddisengagethePTOswitch10
consecutivetimestoensurethattheclutch
isfunctioningproperly.Iftheclutch
doesnotengageproperly,referencethe
Troubleshootingsection.
CoolingSystem
Maintenance
CleaningtheEngineScreen
andEngineOilCooler
ServiceInterval:Beforeeachuseordaily
Removeanybuildupofgrass,dirt,orotherdebrisfromthe
oilcooler(Figure76).
G008804
Figure76
Beforeeachuseremoveanybuildupofgrass,dirt,or
otherdebrisfromtheenginescreen.Thiswillhelpensure
adequatecoolingandcorrectenginespeedandwillreduce
thepossibilityofoverheatingandmechanicaldamagetothe
engine(Figure77).
CleaningtheEngineCooling
FinsandShrouds
ServiceInterval:Every100hours/Yearly(whichevercomes
rst)
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Removetheairintakescreen,recoilstarter,andfan
housing(Figure77).
4.Cleanthedebrisandgrassfromtheengineparts.
5.Installairintakescreen,recoilstarter,andfanhousing
(
Figure77).
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