Toro 74909TE - Cooling System Maintenance; Cleaning the Engine Screen and Engine-Oil Cooler; Cleaning the Engine-Cooling Fins and Shrouds; Checking and Cleaning the Hydraulic Unit Shrouds

CoolingSystem
Maintenance
CleaningtheEngineScreen
andEngine-OilCooler
ServiceInterval:Beforeeachuseordaily
Removeanybuildupofgrass,dirt,orotherdebrisfrom
theoilcooler(Figure81).Thishelpsensureadequate
cooling,correctenginespeed,andreducesthepossibilityof
overheatingandmechanicaldamagetotheengine.
G035392
Figure81
CleaningtheEngine-Cooling
FinsandShrouds
ServiceInterval:Every100hours/Yearly(whichevercomes
rst)
1.Disengagetheblade-controlswitch(PTO)andsetthe
parkingbrake.
2.Shutofftheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Removetheairintakescreen,recoilstarter,andfan
housing(Figure82).
4.Cleanthedebrisandgrassfromtheengineparts.
5.Installtheair-intakescreen,recoilstarter,andfan
housing(Figure82).
Figure82
1.Engineguard4.Fanhousing
2.Engineair-intakescreen
5.Screw
3.Bolt
CheckingandCleaningthe
HydraulicUnitShrouds
ServiceInterval:Beforeeachuseordaily
Important:Thefastenersonthecoversofthismachine
aredesignedtoremainonthecoverafterremoval.
Loosenallofthefastenersoneachcoverafewturns
sothatthecoverisloosebutstillattached,thengo
backandloosenthemuntilthecovercomesfree.This
preventsyoufromaccidentallystrippingtheboltsfree
oftheretainers.
1.DisengagethePTOandsettheparkingbrake.
2.Shutofftheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Movetheseatforward.
4.Waitfortheengineandhydraulicsystemtocool.
5.Cleanthedebrisandgrassfromthehydraulicunit
shrouds.
6.Raisetheseatandcleanaroundeachdipstickand
hydraulicunit(Figure83).
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