Toro 74253 - Cooling System Maintenance; Servicing the Cooling System

CoolingSystem
Maintenance
ServicingtheCoolingSystem
Dischargeofhotpressurizedcoolantor
touchinghotradiatorandsurroundingparts
cancausesevereburns.
•Donotremovetheradiatorcapwhenthe
engineishot.Alwaysallowtheengineto
coolatleast15minutesoruntiltheradiator
capiscoolenoughtotouchwithoutburning
yourhandbeforeremovingtheradiatorcap.
•Donottouchradiatorandsurroundingparts
thatarehot.
Rotatingshaftandfancancausepersonal
injury.
•Donotoperatethemachinewithoutthe
coversinplace.
•Keepngers,handsandclothingclearof
rotatingfananddriveshaft.
•Shutofftheengineandremovetheignition
keybeforeperformingmaintenance.
Swallowingenginecoolantcancausepoisoning.
•Donotswallowenginecoolant.
•Keepoutofreachfromchildrenandpets.
CheckingtheRadiatorCoolant
ServiceInterval:Beforeeachuseordaily
Aftertherst8hours
Every100hours
FluidType:50/50mixofextendedlife
antifreeze/Dex-Cool®andwater
CoolingSystemCapacity:156ounces(4.6l)
Note:Donotopentheradiatorcap.Doingthismay
induceairintothecoolingsystem.
1.Positionthemachineonalevelsurface,stopthe
engine,andsettheparkingbrake.
2.Unlatchtheseatandtilttheseatup.
3.Withtheenginecool,checktheoverowbottlelevel.
Theuidneedstobeuptothebumpontheoutside
oftheoverowbottle(Figure51).
4.Ifthecoolantlevelislow,adda50/50mixof
extendedlifeantifreeze/Dex-Cool®andwaterto
theoverowbottle(Figure51).
5.Addthe50/50coolantmixtotheoverow
bottleandllittotheindicatorlineonthebottle
(Figure51).
Figure51
1.Antifreezeoverowbottle2.Indicatorlineonsideof
overowbottle
CleaningtheHydraulicOilCoolerand
RadiatorScreen
ServiceInterval:Beforeeachuseordaily
Beforeeachuse,checkandcleantheradiatorscreen
andoilcooler.Removeanybuild-upofgrass,dirtor
otherdebrisfromtheoilcoolerandradiatorscreenwith
compressedair(Figure52).
40