Toro 03781TE - Checking the Cooling System; Cooling System Maintenance; Cooling System Safety; Servicing the Engine Cooling System

CoolingSystem
Maintenance
CoolingSystemSafety
•Swallowingenginecoolantcancausepoisoning;
keepoutofreachfromchildrenandpets.
•Dischargeofhot,pressurizedcoolantortouching
ahotradiatorandsurroundingpartscancause
severeburns.
–Alwaysallowtheenginetocoolatleast15
minutesbeforeremovingtheradiatorcap.
–Usearagwhenopeningtheradiatorcap,and
openthecapslowlytoallowsteamtoescape.
CheckingtheCooling
System
ServiceInterval:Beforeeachuseordaily
Checkthelevelofthecoolantatthebeginningofeach
day.Thecapacityofthesystemis12.3L(13USqt).
1.Carefullyremovetheradiatorcap.
CAUTION
Iftheenginehasbeenrunning,the
pressurized,hotcoolantcanescapeand
causeburns.
•Donotopentheradiatorcapwhenthe
engineisrunning.
•Usearagwhenopeningtheradiator
cap,andopenthecapslowlytoallow
steamtoescape.
g009702
Figure75
1.Expansiontank
2.Checkthecoolantlevelintheradiator.
Note:Theradiatorshouldbelledtothetopof
thellerneckandtheexpansiontanklledto
theFullmark(Figure75).
3.Ifthecoolantislow,adda50/50mixtureofwater
andethyleneglycolantifreeze.
Note:Donotusewateronlyor
alcohol/methanol-basedcoolants.
4.Installtheradiatorcapandtheexpansion-tank
cap.
ServicingtheEngine
CoolingSystem
ServiceInterval:Beforeeachuseordaily
Removedebrisfromtheenginearea,oilcooler,and
radiatordaily.Cleanthemmorefrequentlyindirty
conditions.
1.Parkthemachineonalevelsurface,lowerthe
cuttingunits,engagetheparkingbrake,shutoff
theengine,andremovethekey.
2.Unlatchandswingopentherearscreen(Figure
76).
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