Toro 31222 - Cooling System Maintenance; Checking the Cooling System; Cleaning the Radiator

CoolingSystem
Maintenance
DANGER
Dischargeofhotpressurizedcoolantortouching
hotradiatorandsurroundingpartscancausesevere
burns.
•Donotremovetheradiatorcapwhentheengine
ishot.Alwaysallowtheenginetocoolatleast
15minutesoruntiltheradiatorcapiscool
enoughtotouchwithoutburningyourhand
beforeremovingtheradiatorcap.
•Donottouchradiatorandsurroundingparts
thatarehot.
DANGER
Therotatingfananddrivebeltcancausepersonal
injury.
•Donotoperatethemachinewithoutthecovers
inplace.
•Keepngers,handsandclothingclearof
rotatingfananddrivebelt.
•Shutofftheengineandremovetheignitionkey
beforeperformingmaintenance.
CAUTION
Swallowingenginecoolantcancausepoisoning.
•Donotswallowenginecoolant.
•Keepoutofreachfromchildrenandpets.
CheckingtheCoolingSystem
ServiceInterval:Beforeeachuseordaily
Thecoolingsystemislledwitha50/50solutionofwater
andpermanentethyleneglycolantifreeze.Checkthelevelof
thecoolantintheexpansiontankatthebeginningofeachday
beforestartingtheengine.Thecapacityofthecoolingsystem
is7.5liters(6quarts).
1.Checkthelevelofthecoolantintheexpansiontank
(
Figure45).Thecoolantlevelshouldbebetweenthe
marksonthesideofthetank.
2.Ifcoolantlevelislow,removetheexpansiontankcap
andreplenishthesystem.Donotoverll.
3.Installtheexpansiontankcap.
Figure45
1.Expansiontank
CleaningtheRadiator
ServiceInterval:Beforeeachuseordaily
Topreventtheenginefromoverheating,theradiatormust
bekeptclean.Normally,checktheradiatordailyand,if
necessary,cleananydebrisofftheseparts.However,itwill
benecessarytocheckandcleantheradiatorfrequentlyin
extremelydustyanddirtyconditions.
Note:Iftheattachmentorengineshutsoffdueto
overheating,rstchecktheradiatorandthewholeradiator
forexcessivebuildupofdebris.
Cleantheradiatorasfollows:
1.Openthehoodandsecuretheproprod.
2.Loosentheangenutsecuringthecleanoutcoverto
theundersideoftherearframe(Figure46).Rotatethe
covertothesidetoexposethecleanoutholeinthe
frame.
G014515
Figure46
1.Cleanoutcover
44