Toro Groundsmaster 3280-D - Chapter 4 Diesel Engine

CoolingSystem
Maintenance
CoolingSystemSafety
•Swallowingenginecoolantcancausepoisoning;
keepoutofreachfromchildrenandpets.
•Dischargeofhot,pressurizedcoolantortouching
ahotradiatorandsurroundingpartscancause
severeburns.
–Alwaysallowtheenginetocoolatleast15
minutesbeforeremovingtheradiatorcap.
–Usearagwhenopeningtheradiatorcap,and
openthecapslowlytoallowsteamtoescape.
•Donotoperatethemachinewithoutthecovers
inplace.
•Keepyourngers,hands,andclothingclearof
rotatingfananddrivebelt.
•Shutofftheengineandremovethekeybefore
performingmaintenance.
CoolantSpecication
Coolingsystemcapacity:7.5L(8USqt)
Coolant-typespecication:
RecommendedCoolant
Note:CoolantmustmeetorexceedASTMStandard3306
Glycolbasedpre-dilutedcoolant(50/50blend)
or
Glycolbasedcoolantmixedwithdistilledwater(50/50blend)
or
Glycolbasedcoolantmixedwithgoodqualitywater(50/50blend)
CaCO
3
+MgCO
3
<170ppm
Chloride<40ppm(CI)
Sulfur<100ppm(SO
4
)
CheckingtheCooling
SystemandCoolantLevel
ServiceInterval:BeforeeachuseordailyCheck
thelevelofthecoolantlevelbefore
rststartingtheengineanddaily
thereafter.
WARNING
Iftheenginehasbeenrunning,theradiator
pressurizesandthecoolantinsideishot.If
youremovethecap,coolantmaysprayout,
causingsevereburns.
•Donotremovetherecovery-tankcapto
checkcoolantlevels.
•Donotremovetherecovery-tankcap
whentheengineishot.Allowtheengine
tocoolforatleast15minutesoruntil
theradiatorcapiscoolenoughtotouch
withoutburningyourhand.
1.Checkthelevelofthecoolantintheexpansion
tank(Figure68).
Note:Thecoolantlevelshouldbebetweenthe
marksonthesideofthetank.
g001204
Figure68
1.Expansiontank
2.Ifthecoolantislow,addtherecommended
replacementcoolantasrequired.Donotuse
wateronlyoralcohol-basedcoolants.Donot
overll.
3.Installtheexpansion-tankcap.
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