Toro 74956 - Cooling System Maintenance; Cleaning the Engine Screen and Engine Oil Cooler; Cleaning the Engine Cooling Fins and Shrouds

Figure69
1.Feelergauge
Figure70
1.Feelergauge
•Ifthegapislessthan0.010inch,thenreinstall
theshimandreferencetheTroubleshooting
section.
•Ifthegapissufcient,proceedtothesafety
checkinstepF.
F.Performthefollowingsafetycheck:
i.Sitontheseatandstarttheengine.
ii.MakesurethebladesDoNotengage
withthePTOswitch“off”andtheclutch
disengaged.
Iftheclutchdoesnotdisengage,
reinstalltheshimandreferencethe
Troubleshootingsection.
iii.EngageanddisengagethePTOswitch
tenconsecutivetimestoensuretheclutch
isfunctioningproperly.Iftheclutch
doesnotengageproperly,referencethe
Troubleshootingsection.
CoolingSystem
Maintenance
CleaningtheEngineScreen
andEngineOilCooler
ServiceInterval:Beforeeachuseordaily
Removeanybuild-upofgrass,dirtorotherdebrisfromthe
oilcooler(Figure71).
G008804
Figure71
Beforeeachuseremoveanybuild-upofgrass,dirtor
otherdebrisfromtheenginescreen.Thiswillhelpinsure
adequatecoolingandcorrectenginespeedandwillreduce
thepossibilityofoverheatingandmechanicaldamagetothe
engine(Figure72).
CleaningtheEngineCooling
FinsandShrouds
ServiceInterval:Every100hours/Yearly(whichevercomes
rst)
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Removetheairintakescreen,recoilstarterandfan
housing(Figure72).
4.Cleanthedebrisandgrassfromtheengineparts.
5.Installairintakescreen,recoilstarterandfanhousing
(
Figure72).
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