Toro 22327 - Cooling System Maintenance; Cooling System Safety; Servicing the Cooling System

CoolingSystem
Maintenance
CoolingSystemSafety
•Swallowingenginecoolantcancausepoisoning;
keepoutofreachfromchildrenandpets.
•Dischargeofhot,pressurizedcoolantortouching
ahotradiatorandsurroundingpartscancause
severeburns.
–Alwaysallowtheenginetocoolatleast15
minutesbeforeremovingtheradiatorcap.
–Usearagwhenopeningtheradiatorcap,and
openthecapslowlytoallowsteamtoescape.
ServicingtheCooling
System
ServiceInterval:Beforeeachuseordaily—Clean
thescreen,oilcooler,andfrontof
theradiator(moreoftenindirtyor
dustyconditions).
Beforeeachuseordaily—Checkthecoolant
levelintheexpansiontank.
Every100hours—Checkthecoolingsystem
hoses.
Yearly—Changetheenginecoolant(Authorized
ServiceDealeronly).
CleaningtheRadiatorScreen
ServiceInterval:Beforeeachuseordaily
Removeanybuildupofgrass,dirtorotherdebrisfrom
theradiatorscreenwithcompressedair.
CheckingtheEngine-Coolant
Level
Thecoolingsystemislledwitha50/50solutionof
waterandpermanentethylene-glycolantifreeze.
1.Parkthemachineonalevelsurface,lowerthe
loaderarms,engagetheparkingbrake,and
shutofftheengine.
2.Removethekeyfromthekeyswitchandallow
theenginetocool.
3.Checkthecoolantlevelintheexpansiontank
(Figure68).
Thecoolantlevelshouldbeatorabovethemark
onthesideofthetank.
g029314
Figure68
1.Expansiontank
2.Fullmark
4.Ifthecoolantlevelislow,removetheexpansion
tankcapandadda50/50mixtureofwaterand
permanentethylene-glycolantifreeze.
Important:Donotoverlltheexpansion
tank.
5.Installtheexpansion-tankcap.
ChangingtheEngineCoolant
ServiceInterval:Yearly
HaveanAuthorizedServiceDealerchangetheengine
coolantyearly.
Ifyouneedtoaddenginecoolant,refertoChecking
theEngine-CoolantLevel(page45).
45
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