Toro 22323 - Engine Coolant Maintenance; Checking Coolant Level; Coolant Safety Precautions; Fan and Shaft Safety

Checking,Adding,and
BleedingtheEngineCoolant
ServiceInterval:Beforeeachuseordaily
Cleandebrisoffofthescreen,oilcooler,andfront
oftheradiatordailyandmoreoftenifconditionsare
extremelydustyanddirty
Thecoolingsystemislledwitha50/50solution
ofwaterandpermanentethyleneglycolantifreeze.
Checkthelevelofcoolantintheexpansiontankatthe
beginningofeachdaybeforestartingtheengine.
Iftheenginehasbeenrunning,thepressurized,
hotcoolantcanescapeandcausesevereburns.
•Donotremovetheradiatorcapwhenthe
engineishot.Alwaysallowtheengineto
coolatleast15minutesoruntiltheradiator
capiscoolenoughtotouchwithoutburning
yourhandbeforeremovingtheradiatorcap.
•Donottouchradiatorandsurroundingparts
thatarehot.
•Usearagwhenopeningtheradiatorcap,
andopenthecapslowlytoallowsteamto
escape.
Rotatingshaftandfancancausepersonal
injury.
•Donotoperatethemachinewithoutthe
coversinplace.
•Keepngers,handsandclothingclearof
rotatingfananddriveshaft.
•Shutofftheegineandremovetheignition
keybeforeperformingmaintenance.
1.Checkthelevelofcoolantintheexpansiontank
(Figure19).
Thecoolantlevelshouldbeatorabovethemark
onthesideofthetank.
Figure19
1.Expansiontank
2.Fullmark
2.Ifthecoolantlevelislow,completethefollowing
procedure:
A.Removethecoolantllcap(Figure20).
Figure20
1.Expansiontank3.Topcoolantbleedvalve
2.Coolantllcapandller
neck
4.Frontcoolantbleedvalve
B.Openthefrontandtopcoolantbleedvalves
(Figure20).
C.Pourcoolantintothecoolantllerneckuntil
thecoolantbeginstocomeoutofthefront
coolantbleedvalve(Figure20).
D.Closethefrontcoolantbleedvalve(Figure20).
E.Pourcoolantintothecoolantllerneckuntilthe
coolantbeginstocomeoutofthetopcoolant
bleedvalve(Figure20).
20