Toro 25430A - Cooling System Maintenance; Servicing the Cooling System

CoolingSystem
Maintenance
ServicingtheCoolingSystem
Coolantspecication:amixtureof50%ethyleneglycol
and50%water
EngineandRadiatorcoolantcapacity:17.2L(18.2USqt)
WARNING
Ifyouremovetheradiatorcapfromahotengine,
hotcoolantcouldspray,causingscalding.
•Wearfaceprotectionwhenopeningtheradiator
cap.
•Allowthecoolingsystemtocooldowntobelow
50°C(120°F)beforeremovingtheradiatorcap.
•Followtheinstructionsforcheckingand
maintainingtheenginecoolingsystem.
WARNING
Coolantistoxic.
•Keepcoolantawayfromchildrenandpets.
•Ifyouarenotre-usingthecoolant,disposeofit
accordingtolocalenvironmentalregulations.
CheckingtheCoolantLevelinthe
Reservoir
ServiceInterval:Beforeeachuseordaily
Note:Donotremovetheradiatorllercapduringthis
procedure.
1.Parkthemachineonalevelsurface,stoptheengine,
andremovetheignitionkey.
2.Allowtheenginetocool.
3.Removetherightsidepanel;refertoRemovingthe
SidePanels(page35).
4.Checkthecoolantlevelinthereservoir(Figure75).
Figure75
1.Reservoir
2.Coolantlevel(halfway
betweentheAddandFull
marks)
Note:Ensurethatthecoolantlevelisbetweenthe
AddmarkandtheFullmarkonthereservoir(Figure
75).
5.Addthespeciedcoolantuntilthecoolantlevelis
halfwaybetweentheAddmarkandtheFullmarkon
thereservoir.
Note:Ensurethatthecoolantsolutionisthoroughly
mixedbeforellingthereservoir.
6.Installtherightsidepanel;refertoInstallingtheSide
Panels(page36).
CheckingtheCoolantLevelinthe
Radiator
ServiceInterval:Every50hours
WARNING
Iftheenginehasbeenrunning,theradiatorwill
pressurizedandthecoolantinsidewillbehot.If
youremovethecap,coolantmaysprayout,causing
severeburns.
•Donotremovetheradiatorcaptocheckcoolant
levels.
•Donotremovetheradiatorcapwhentheengine
ishot.Allowtheenginetocoolforatleast15
minutesoruntiltheradiatorcapiscoolenough
totouchwithoutburningyourhand.
Note:Thecoolingsystemislledwithantifreezehavinga
mixtureof50%ethyleneglycoland50%water.
1.Parkthemachineonalevelsurface,stoptheengine,
andremovetheignitionkey.
2.Allowtheenginetocool.
3.Removethenosepanel;refertoRemovingtheNose
Panel(page36).
4.Opentheventvalvefortheengine(Figure76).
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