Toro 74923 - Cooling System Maintenance; Cleaning the Engine Screen and Engine-Oil Cooler; Cleaning the Engine-Cooling Fins and Shrouds

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Figure72
1.Feelergauge
•Ifthegapislessthan0.25mm(0.01
inch),theninstalltheshim;referto
Troubleshooting(page70).
•Ifthegapissufcient,proceedtothe
safetycheckinstepF.
F.Performthefollowingsafetycheck:
i.Sitontheseatandstarttheengine.
ii.Makesurethatthebladesdonot
engagewiththeblade-controlswitch
(PTO)intheOFFposition,andthat
theclutchisdisengaged.
Iftheclutchdoesnotdisengage,
installtheshimagain;referto
Troubleshooting(page70).
iii.Engageanddisengagethe
blade-controlswitch(PTO)10
consecutivetimestoensurethatthe
clutchisfunctioningproperly.
CoolingSystem
Maintenance
CleaningtheEngineScreen
andEngine-OilCooler
ServiceInterval:Beforeeachuseordaily
Removeanybuildupofgrass,dirt,orotherdebris
fromtheoilcooler(Figure73).
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g009191
Figure73
Beforeeachuse,removeanybuildupofgrass,
dirt,orotherdebrisfromtheenginescreen.This
helpsensureadequatecooling,correcttheengine
speed,andreducesthepossibilityofoverheatingand
mechanicaldamagetotheengine(Figure74).
Cleaningthe
Engine-CoolingFinsand
Shrouds
ServiceInterval:Every100hours/Yearly(whichever
comesrst)
1.Disengagetheblade-controlswitch(PTO)and
engagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Removetheair-intakescreen,therecoilstarter,
andthefanhousing(Figure74).
4.Cleanthedebrisandgrassfromtheengine
parts.
5.Installtheair-intakescreen,therecoilstarter,
andthefanhousing(Figure74).
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