Toro 74722 - Engine Maintenance; Servicing the Air Cleaner; Servicing the Engine Oil

EngineMaintenance
ServicingtheAirCleaner
Note:Servicetheaircleanermorefrequently(everyfew
hours)ifoperatingconditionsareextremelydustyorsandy.
RemovingtheElement
1.Parkthemachineonalevelsurfaceanddisengagethe
blade-controlswitch(PTO).
2.Movethemotion-controlleverstothebrakeposition,
stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Cleanaroundtheair-cleanercovertopreventdirtfrom
gettingintotheengineandcausingdamage.
4.Liftthecoverandremovethehoseclampsecuringthe
air-cleanerassemblytotheengine(Figure28).
5.Loosenthehoseclampandremovethepaperelement
(Figure28).
G014908
1
2
3
Figure28
1.Cover
3.Hoseclamp
2.Paperelement
CleaningthePaperElement
ServiceInterval:Every100hours—Servicethepaper
element(moreoftenindusty,dirty
conditions).
Every200hours/Yearly(whichevercomes
rst)—Replacethepaperelement(moreoftenin
dusty,dirtyconditions).
1.Lightlytaptheelementonaatsurfacetoremovedust
anddirt.
2.Inspecttheelementfortears,anoilylm,anddamage
totheseal.
Important:Donotcleanthepaperelementwith
pressurizedairorliquids,suchassolvent,gas,
orkerosene.Replacethepaperelementifitis
damagedorcannotbecleanedthoroughly.
ServicingtheEngineOil
OilType:Detergentoil(APIserviceSJorhigher)
CrankcaseCapacity
Model
OillternotremovedOillterremoved
74722
1.5L(51oz)1.7L(58oz)
74730
1.8L(61oz)2.1L(71oz)
Viscosity:Seethetablebelow.
g017470
SAE V iscosity Grades
SAE 40
SAE 30
SAE 10W– 30/ SAE 10W– 40
-20 0 20 32 40 60 80 100
-30 -20 -10 0 10 20 30 40
°F
°C
STARTING TEMPERA TURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE
SAE 5W– 20
Figure29
Note:Usingmulti-gradeoils(5W-20,10W-30,and10W
-40)willincreaseoilconsumption.Checktheoillevelmore
frequentlywhenusingthem.
CheckingtheEngine-OilLevel
ServiceInterval:Beforeeachuseordaily
Note:Checktheoilwhentheengineiscold.
WARNING
Contactwithhotsurfacesmaycausepersonal
injury.
Keephands,feet,face,clothingandotherbody
partsawaythemuferandotherhotsurfaces.
Important:Donotoverllthecrankcasewithoiland
runtheengine;enginedamagemayresult.
1.Parkthemachineonalevelsurface.
2.Disengagetheblade-controlswitch(PTO).
3.Stoptheengine,waitforallmovingpartstostop,and
removethekeybeforeleavingtheoperatingposition.
4.Checktheengine-oillevel(Figure30).
30