Toro Groundsmaster 4100 - Cooling System Maintenance; Cooling System Safety; Checking the Cooling System; Servicing the Engine-Cooling System

CoolingSystem
Maintenance
CoolingSystemSafety
•Swallowingenginecoolantcancausepoisoning;
keepoutofreachfromchildrenandpets.
•Dischargeofhot,pressurizedcoolantortouching
ahotradiatorandsurroundingpartscancause
severeburns.
–Alwaysallowtheenginetocoolatleast15
minutesbeforeremovingtheradiatorcap.
–Usearagwhenopeningtheradiatorcap,and
openthecapslowlytoallowsteamtoescape.
•Donotoperatethemachinewithoutthecovers
inplace.
•Keepyourngers,handsandclothingclearof
rotatingfananddrivebelt.
•Shutofftheengineandremovethekeybefore
performingmaintenance.
CheckingtheCooling
System
ServiceInterval:Beforeeachuseordaily
Checkthecoolantlevelatthebeginningofeachday.
Thecapacityofthesystemis8.5L(9USqt).
1.Carefullyremovetheradiatorcapand
expansion-tankcap(Figure110).
2.Checkthecoolantlevelintheradiator.
Note:Theradiatorshouldbelledtothetop
ofthellerneckandtheexpansiontanklled
totheFullmark.
g020441
Figure110
1.Expansiontank
3.Ifthecoolantislow,adda50/50mixtureofwater
andethyleneglycolanti-freeze.
Important:Donotusewateronlyor
alcohol/methanolbasecoolants,asthismay
causedamage.
4.Installtheradiatorcapandexpansion-tankcap.
Servicingthe
Engine-CoolingSystem
ServiceInterval:Every100hours
Every2years
Removedebrisfromtheoilradiator/oilcooler
daily.Cleanthemmorefrequentlyindirtyconditions.
Thismachineisequippedwithahydraulically-driven
fandrivesystemthatautomatically(ormanually)
reversestoreducetheradiator/oilcoolerandscreen
debrisbuildup.Whilethisfeaturecanhelpreduce
thetimerequiredtocleanradiator/oilcooler,itdoes
noteliminatetheneedforroutinecleaning.Periodic
cleaningandinspectionoftheradiator/oilcooleris
stillrequired.
1.Shutofftheengine,removethekey,andraise
thehood.
2.Cleantheengineareathoroughlyofalldebris.
3.Cleanbothsidesoftheradiator/oilcoolerarea
thoroughlywithcompressedair(Figure111).
Note:Startfromthefansideandblowthe
debrisouttowardtheback.Then,cleanfrom
thebacksideandblowtowardthefront.Repeat
thisprocedureseveraltimesuntilallchaffand
debrisisremoved.
Important:Cleaningtheradiator/oilcooler
withwatercanpromoteprematurecorrosion
anddamagetocomponents.
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