Toro 04520 - Engine, Fuel, and Cooling System Maintenance

EngineMaintenance
ServicingtheAirCleaner
ServiceInterval:Every200hours
•Checktheaircleanerbodyfordamagewhichcould
causeanairleak.Replaceifdamaged.Checkthe
wholeintakesystemforleaks,damageorloosehose
clamps.
•Servicetheaircleanerlterbefore200hoursifthe
engineperformancesuffersduetoextremelydusty,
dirtyconditions.Changingtheairlterbeforeitis
necessaryonlyincreasesthechanceofdirtentering
theenginewhenthelterisremoved.
•Besurethecoverisseatedcorrectlyandsealswith
theaircleanerbody.
1.Releasethelatchessecuringtheaircleanercoverto
theaircleanerbody(
Figure42).
g014614
1
2
3
Figure42
1.Aircleanerbody3.Aircleanercover
2.Airlter
2.Removethecoverfromtheaircleanerbody.Before
removingthelter,uselowpressureair(40psi,
cleananddry)tohelpremovelargeaccumulations
ofdebrispackedbetweenoutsideofprimarylter
andthecanister.Avoidusinghighpressureairwhich
couldforcedirtthroughthelterintotheintake
tract.Thiscleaningprocesspreventsdebrisfrom
migratingintotheintakewhentheprimarylteris
removed.
3.Removeandreplacetheprimarylter.Cleaningof
theusedelementisnotrecommendedduetothe
possibilityofdamagetotheltermedia.Inspectthe
newlterforshippingdamage,checkingthesealing
endofthelterandthebody.Donotuseadamaged
element.Insertthenewlterbyapplyingpressureto
theouterrimoftheelementtoseatitinthecanister.
Donotapplypressuretotheexiblecenterofthe
lter.
4.Cleanthedirtejectionportlocatedintheremovable
cover.Removetherubberoutletvalvefromthe
cover,cleanthecavityandreplacetheoutletvalve.
5.Installthecoverorientingtherubberoutletvalvein
adownwardposition—betweenapproximately5:00
to7:00whenviewedfromtheend.
6.Securethelatches(
Figure42).
ChangingtheEngineOiland
Filter
ServiceInterval:Aftertherst50hours
Every150hours
1.Removethedrainplugandletoilowintoadrain
pan.Whentheoilstops,installthedrainplug
(
Figure43).
g014754
1
Figure43
1.Drainplug
2.Removetheoillter(Figure44).Applyalightcoat
ofcleanoiltothenewltergasket.
37