Operator's Manual

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
Thecoolingsystemislledwitha50/50solutionof
waterandpermanentethyleneglycolantifreeze.The
capacityofthecoolingsystemis7.5L(6USqt).
1.Checkthelevelofthecoolantintheexpansion
tank(Figure78).
Note:Thecoolantlevelshouldbebetweenthe
marksonthesideofthetank.
g022120
Figure78
1.Expansiontank
2.Ifcoolantlevelislow,removetheexpansion-tank
capandreplenishthesystem.
Important:Donotoverll.
3.Installtheexpansion-tankcap.
CleaningtheRadiator
ServiceInterval:Beforeeachuseordaily
Every1,500hours—Replacemovinghoses.
Every200hours—Inspectthecooling-system
hosesandseals.Replacethemifcrackedor
torn.
Every2years—Flushandreplacethe
cooling-systemuid.
Cleantheradiatortopreventtheenginefrom
overheating.
Note:Ifthemowerdeckorengineshutsoffdueto
overheating,checktheradiatorforexcessivebuildup
ofdebris.
Cleantheradiatorasfollows:
1.Openthehood.
2.Workingfromthefansideoftheradiator,blow
outdebriswithlowpressure(345kPaor50psi),
compressedair.Repeatfromthefrontofthe
radiatorandtheotherfanside.
Important:Donotusewater.
3.Afteryouthoroughlycleantheradiator,cleanout
debristhatmayhavecollectedinthechannelat
theradiatorbase.
4.Closethehood.
53