Operator's Manual

CoolingSystem
Maintenance
CoolingSystemSafety
•Swallowingenginecoolantcancausepoisoning;
keepoutofreachfromchildrenandpets.
•Dischargeofhot,pressurizedcoolantortouching
ahotradiatorandsurroundingpartscancause
severeburns.
–Alwaysallowtheenginetocoolatleast15
minutesbeforeremovingtheradiatorcap.
–Usearagwhenopeningtheradiatorcap,and
openthecapslowlytoallowsteamtoescape.
•Donotoperatethemachinewithoutthecovers
inplace.
•Keepyourngers,handsandclothingclearof
rotatingfananddrivebelt.
CoolantSpecication
Thecoolantreservoirislledatthefactorywitha
50/50solutionofwaterandethyleneglycolbase
extended-lifecoolant.
Important:Useonlycommerciallyavailable
coolantsthatmeetthespecicationslistedinthe
ExtendedLifeCoolantStandardsTable.
Donotuseconventional(green)inorganic-acid
technology(IAT)coolantinyourmachine.Do
notmixconventionalcoolantwithextended-life
coolant.
CoolantTypeTable
Ethylene-GlycolCoolant
Type
CorrosionInhibitorType
Extended-lifeantifreezeOrganic-acidtechnology
(OAT)
Important:Donotrelyonthecolorofthecoolant
toidentifythedifferencebetweenconventional(green)
inorganic-acidtechnology(IAT)coolantandextended-life
coolant.
Coolantmanufacturersmaydyeextended-lifecoolantin
oneofthefollowingcolors:red,pink,orange,yellow,
blue,teal,violet,andgreen.Usecoolantthatmeetsthe
specicationsintheExtendedLifeCoolantStandards
Table.
ExtendedLifeCoolantStandards
ATSMInternationalSAEInternational
D3306andD4985J1034,J814,and1941
Important:Coolantconcentrationshouldbea
50/50mixtureofcoolanttowater.
•Preferred:Whenmixingcoolantfroma
concentrate,mixitwithdistilledwater.
•Preferredoption:Ifdistilledwaterisnotavailable,
useapre-mixcoolantinsteadofaconcentrate.
•Minimumrequirement:Ifdistilledwaterand
pre-mixcoolantarenotavailable,mixconcentrated
coolantwithcleandrinkablewater.
CheckingtheCooling
SystemandCoolantLevel
ServiceInterval:Beforeeachuseordaily—Check
thecoolingsystemandthecoolant
level.
Beforeeachuseordaily—Removedebrisfrom
theenginearea,oilcooler,fuelcooler,and
radiator(cleanthemmorefrequentlyindirtyor
dustyconditions).
Every1,500hours—Changetheenginecoolant
Whentheengineiscold,thecoolantlevelshould
benohigherthantheCOLDmarkonthesideofthe
expansiontank(Figure72).Whentheengineis
warm,thecoolantlevelshouldbenohigherthanthe
FULL(HOT)mark.
IfthecoolantisabovetheCOLDmarkwhentheengine
iscold,itmayleakoutofthetankwhentheengine
getshotduringoperation.
1.Whentheengineiscold,checkthelevelofthe
coolantintheexpansiontank.
g325684
Figure72
1.Cap3.COLDmark
2.FULL(HOT)mark
61