Toro 72946 - Cooling System Maintenance; Cooling System Safety; Cleaning the Engine Screen and Engine-Oil Cooler; Cleaning the Engine-Cooling Fins and Shrouds

CoolingSystem
Maintenance
CoolingSystemSafety
•Swallowingenginecoolantcancausepoisoning;
keepoutofreachfromchildrenandpets.
•Dischargeofhot,pressurizedcoolantortouching
ahotradiatorandsurroundingpartscancause
severeburns.
–Alwaysallowtheenginetocoolatleast15
minutesbeforeremovingtheradiatorcap.
–Usearagwhenopeningtheradiatorcap,and
openthecapslowlytoallowsteamtoescape.
CleaningtheEngineScreen
andEngine-OilCooler
ServiceInterval:Beforeeachuseordaily
Removeanybuildupofgrass,dirt,orotherdebris
fromtheoilcoolerandtheenginescreen(Figure82).
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g009191
Figure82
Removeanybuildupofgrass,dirt,orotherdebris
fromtheenginescreen.Thishelpsensureadequate
coolingandcorrectenginespeedandreducesthe
possibilityofoverheatingandmechanicaldamageto
theengine(Figure79).
Cleaningthe
Engine-CoolingFinsand
Shrouds
ServiceInterval:Every100hours/Yearly(whichever
comesrst)
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch(PTO),andengagethe
parkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Removetheair-intakescreen,therecoilstarter,
andthefanhousing(Figure83).
4.Cleanthedebrisandgrassfromtheengine
parts.
5.Installtheair-intakescreen,therecoilstarter,
andthefanhousing(Figure83).
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Figure83
1.Engineguard4.Fanhousing
2.Engineair-intakescreen
5.Screw
3.Bolt
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