Toro 74390 User Manual

EngineMaintenance
ServicingtheAirCleaner
Note:Servicetheaircleanermorefrequently(everyfew
hours)ifoperatingconditionsareextremelydustyorsandy.
RemovingtheElement
1.Parkthemachineonalevelsurfaceanddisengagethe
bladecontrol(PTO).
2.Movethemotioncontrolleverstothebrakeposition,
stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Cleanaroundtheaircleanercovertopreventdirtfrom
gettingintotheengineandcausingdamage.Liftthe
coverandremovethehoseclampsecuringtheair
cleanerassemblytotheengine().
4.Loosenthehoseclampandremovethepaperelement
().
G014908
1
2
3
Figure29
1.Cover
3.Hoseclamp
2.Paperelement
CleaningtheElement
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:Nevercleanthepaperelementwith
pressurizedairorliquids,suchassolvent,gas,
orkerosene.Replacethepaperelementifitis
damagedorcannotbecleanedthoroughly.
ServicingtheEngineOil
OilType:Detergentoil(APIserviceSF,SG,SH,SJ,orSL)
CrankcaseCapacity:withalterchange,70ounces(2.1l);
withoutalterchange,61ounces(1.8l)
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
Figure30
Note:Usingmultigradeoils(5W-20,10W-30,and10W-40)
willincreaseoilconsumption.Checkoillevelmorefrequently
whenusingthem.
CheckingtheEngineOilLevel
ServiceInterval:Beforeeachuseordaily
Note:Checktheoilwhentheengineiscold.
WARNING
Contactwithhotsurfacesmaycausepersonal
injury.
Keephands,feet,face,clothingandotherbody
partsawaythemuferandotherhotsurfaces.
Important:Donotoverllthecrankcasewithoil
becausedamagetotheenginemayresult.Donotrun
enginewithoilbelowthelowmarkbecausetheengine
maybedamaged.
1.Parkthemachineonalevelsurface,disengagethe
bladecontrolswitch,stoptheengine,engageparking
brake,andremovethekey.
2.Makesuretheengineisstopped,level,andiscoolso
theoilhashadtimetodrainintothesump.
3.Tokeepdirt,grassclippings,etc.,outoftheengine,
cleantheareaaroundtheoilllcap/dipstickbefore
removingit.
27

Toro 74390 Specifications

General

Brand	Toro
Model	74390
Category	Lawn Mower
Language	English