Toro 03678 - Cooling System Maintenance; Cooling System Safety; Checking the Cooling System; Removing Debris from the Cooling System

CoolingSystem
Maintenance
CoolingSystemSafety
•Swallowingenginecoolantcancausepoisoning;
keepoutofreachfromchildrenandpets.
•Dischargeofhot,pressurizedcoolantortouching
ahotradiatorandsurroundingpartscancause
severeburns.
–Alwaysallowtheenginetocoolatleast15
minutesbeforeremovingtheradiatorcap.
–Usearagwhenopeningtheradiatorcap,and
openthecapslowlytoallowsteamtoescape.
CheckingtheCooling
System
Cleandebrisoffthescreen,oilcooler,andfrontof
theradiatordailyandmoreoftenifconditionsare
extremelydustyanddirty.Refertothesectionon
RemovingDebrisfromtheCoolingSysteminCooling
SystemMaintenance(page43).
Thecoolingsystemislledwitha50/50solution
ofwaterandpermanentethyleneglycolantifreeze.
Checkthelevelofcoolantintheexpansiontankatthe
beginningofeachdaybeforestartingtheengine.The
capacityofthecoolingsystemis9.5L(10.0USqt).
CAUTION
Iftheenginehasbeenrunning,the
pressurized,hotcoolantcanescapeand
causeburns.
•Donotopentheradiatorcapwhenthe
engineisrunning.
•Usearagwhenopeningtheradiatorcap,
andopenthecapslowlytoallowsteamto
escape.
1.Checkthelevelofcoolantintheexpansiontank
(Figure59).
Note:Thecoolantlevelshouldbebetweenthe
marksonthesideofthetank.
g003951
Figure59
1.Expansiontank
2.Ifthecoolantlevelislow,removethe
expansion-tankcapandreplenishthesystem.
Important:Donotoverll.
3.Installtheexpansion-tankcap.
RemovingDebrisfromthe
CoolingSystem
1.Shutofftheengineandremovethekeyfromthe
ignitionswitch.
2.Thoroughlycleanalldebrisoutoftheengine
area.
3.Unlatchtheclampandpivotopentherear
screen(Figure60).
43