Toro Groundsmaster 7200 Series - Cooling System Maintenance; Cooling System Safety; Coolant Specification

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Figure43
1.Locknut
6.Spacer
2.Bearingspacer
7.Casterwheel
3.Outerbearingseal
8.Axlebolt
4.Conebearing9.Casterfork
5.Innerbearingseal
3.Graspthecasterwheelandslidetheboltout
oftheforkorpivotarm.
4.Discardtheoldcasterwheelandbearings.
5.Assemblethecasterwheelbypushingthecone
bearingsandseals,packedwithgrease,intothe
wheelhub,positionedasshowninFigure43.
6.Slidethespacerintothewheelhubthrough
thebearings,captivatingthespacerinsidethe
wheelhubwith2bearingspacers.
Important:Ensurethattheseallipsarenot
foldedinward.
7.Installthecaster-wheelassemblybetweenthe
castorforkandsecureitinplacewiththebolt
andlocknut.
8.Tightenthelocknutuntilthewheelnolonger
spinsfreely,thenbackitoffjustuntilthewheel
spinsfreely.
9.Attachagreaseguntothegreasettingonthe
casterwheelandllitwithNo.2lithiumgrease.
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.
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