Toro 03675 - 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;refertoRemovingDebris
fromtheCoolingSystem(page44).
Thecoolingsystemislledwitha50/50solution
ofwaterandpermanentethyleneglycolantifreeze.
Checkthelevelofcoolantintheexpansiontankatthe
beginningofeachdaybeforestartingtheengine.The
capacityofthecoolingsystemis6.6L(7.0USqt).
CAUTION
Iftheenginehasbeenrunning,the
pressurized,hotcoolantcanescapeand
causeburns.
•Donotopentheradiatorcapwhenthe
engineisrunning.
•Usearagwhenopeningtheradiatorcap,
andopenthecapslowlytoallowsteamto
escape.
1.Checkthelevelofcoolantintheexpansiontank
(Figure56).
Thecoolantlevelshouldbebetweenthemarks
onthesideofthetank.
g003951
Figure56
1.Expansiontank
2.Ifthecoolantlevelislow,removethe
expansion-tankcapandreplenishthesystem.
Donotoverllthetank.
3.Installtheexpansion-tankcap.
RemovingDebrisfromthe
CoolingSystem
ServiceInterval:Beforeeachuseordaily(More
frequentlyindirtyoperating
conditions).
Every100hours—Inspectthecoolingsystem
hoses.
Every2years—Flushandreplacethecooling
systemuid.
1.Turntheengineoffandremovethekeyfromthe
ignitionswitch.
2.Thoroughlycleanalldebrisoutoftheengine
area.
3.Unlatchtheclampandpivotopentherear
screen(Figure57).
44