Operator's Manual

CoolingSystem
Maintenance
CoolingSystemSafety
•Swallowingenginecoolantcancausepoisoning;
keepoutofreachfromchildrenandpets.
•Dischargeofhot,pressurizedcoolantortouching
ahotradiatorandsurroundingpartscancause
severeburns.
–Alwaysallowtheenginetocoolatleast15
minutesbeforeremovingtheradiatorcap.
–Usearagwhenopeningtheradiatorcap,and
openthecapslowlytoallowsteamtoescape.
CheckingtheCooling
System
ServiceInterval:Beforeeachuseordaily
Cleandebrisofftheradiatordaily(Figure56).Clean
theradiatorhourlyifconditionsareextremelydusty
anddirty;refertoCleaningtheEngineCoolingSystem
(page43).
g019984
Figure56
1.Radiator
Thecoolingsystemislledwitha50/50solution
ofwaterandpermanentethyleneglycolantifreeze.
Checkthecoolantlevelatthebeginningofeachday
beforestartingtheengine.
Thecapacityofthecoolingsystemisapproximately
5.7L(6USqt).
CAUTION
Iftheenginehasbeenrunning,the
pressurized,hotcoolantcanescapeand
causeburns.
•Donotopentheradiatorcapwhenthe
engineisrunning.
•Usearagwhenopeningtheradiatorcap,
andopenthecapslowlytoallowsteamto
escape.
1.Parkthemachineonalevelsurface,lowerthe
cuttingunits,engagetheparkingbrake,shutoff
theengine,andremovethekey.
2.Checkthecoolantlevelintheexpansiontank
(Figure57).Withacoldengine,thecoolant
levelshouldbeapproximatelymidwaybetween
themarksonthesideofthetank.
3.Ifthecoolantlevelislow,removethe
expansion-tankcapandreplenishthesystem.
Donotoverllthetank.
4.Installtheexpansion-tankcap.
g008885
Figure57
1.Expansiontank
42