Toro Groundsmaster 3300 Series - Drive and Cooling System Maintenance; Wheel Torque and Coolant Checks

DriveSystem
Maintenance
TorquingtheWheel-Lug
Nuts
ServiceInterval:Afterthersthour
Aftertherst10hours
Every200hours
Wheel-lugnuttorquespecication:102to108N∙m
(75to80ft-lb)
Torquethelugnutsatthefrontandrearwheels
(4-wheel-drivemachinesonly)inthepatternasshown
inFigure61andFigure62tothespeciedtorque.
•Frontwheels:refertoFigure61
g034007
Figure61
•Rearwheels(4-wheel-drivemachinesonly):refer
toFigure62
g274650
Figure62
CoolingSystem
Maintenance
CoolingSystemSafety
•Swallowingenginecoolantcancausepoisoning;
keepoutofreachfromchildrenandpets.
•Dischargeofhot,pressurizedcoolantortouching
ahotradiatorandsurroundingpartscancause
severeburns.
–Alwaysallowtheenginetocoolatleast15
minutesbeforeremovingtheradiatorcap.
–Usearagwhenopeningtheradiatorcap,and
openthecapslowlytoallowsteamtoescape.
•Donotoperatethemachinewithoutthecovers
inplace.
•Keepyourngers,handsandclothingclearof
rotatingfananddrivebelt.
CoolantSpecications
Theenginecoolantmustconformtothefollowing
specications:
•JISK-2234(Japaneseindustrialstandard)
•SAEJ814(enginecoolants)
•ASTMD3306(specicationforethylene-glycol
baseenginecoolant)
Useoneofthefollowingcoolantblends:
•Glycol-basedpre-dilutedcoolant(50/50blend)
•Glycol-basedcoolantmixedwithdistilledwater
(50/50blend)
•Glycol-basedcoolantmixedwithgoodquality
water(50/50blend)
–Totalhardness<170ppm
–Chloride<40ppm(CI)
–Sulfates<100ppm(SO
4
)
CheckingtheCooling
SystemandCoolantLevel
ServiceInterval:Beforeeachuseordaily—Check
thecoolingsystemandthecoolant
level.
Beforeeachuseordaily—Removedebrisfrom
theenginearea,oilcooler,fuelcooler,and
radiator(cleanthemmorefrequentlyindirtyor
dustyconditions).
Every1,500hours—Changetheenginecoolant
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