Toro 74391 User Manual

Replaceadirty,bent,ordamagedelement.Handle
newelementscarefully;donotuseiftherubberseal
isdamaged.
4.Cleanallaircleanercomponentsofanyaccumulated
dirtorforeignmaterial.Preventanydirtfrom
enteringthecarburetor.
5.Installtheaircleanerelementwiththepleatedside
“out”andseattherubbersealontotheedgesofthe
aircleanerbase(Figure25).
6.Reinstalltheaircleanercoverandsecurewiththe
twoknobs(Figure25).
ServicingtheEngineOil
OilType:Detergentoil(APIserviceSG,SH,SJ,or
higher)
CrankcaseCapacity:1.6qt(1.5l)whenthelteris
changed
Viscosity:Seethetablebelow.
G005176
Figure26
CheckingtheOilLevel
ServiceInterval:Beforeeachuseordaily—Checkthe
engineoillevel.
1.Parkthemachineonalevelsurface,disengagethe
bladecontrolswitch,stoptheengine,andremove
thekey.
2.Makesuretheengineisstopped,level,andiscoolso
theoilhashadtimetodrainintothesump.
3.Tokeepdirt,grassclippings,etc.,outoftheengine,
cleantheareaaroundtheoilllcap/dipstickbefore
removingit.
4.Pullandremovetheoilllcap/dipstick;wipeoil
off.Reinsertthedipstickandpushrmlyintoplace
(Figure27).
2
3
1
2
F
L
G005068
1
2
3
Figure27
1.Oildipstick3.Oillevel
2.Fillertube
5.Removethedipstickandchecktheoillevel.
(Figure27).
Theoillevelshouldbeupto,butnotover,theF
markonthedipstick.
6.Ifthelevelislow,addoilofthepropertype,upto
theFmarkonthedipstick.Alwayscheckthelevel
withthedipstickbeforeaddingmoreoil.
Note:Topreventextensiveenginewearordamage,
alwaysmaintaintheproperoillevelinthecrankcase.
Neveroperatetheenginewiththeoillevelbelowthe
“L”markoroverthe“F”markonthedipstick.
ChangingtheOilandtheFilter
ServiceInterval:Every100hours—Changetheengine
oilandlter.
RellwithserviceclassSG,SH,SJorhigheroilas
speciedinthe“ViscosityGrades”table.
Changetheoilandlterwhiletheengineisstillwarm.
Theoilwillowmorefreelyandcarryawaymore
impurities.Makesuretheengineislevelwhenlling,
checking,orchangingtheoil.
Changetheoilandoillterasfollows:
1.Starttheengineandletitrununtilwarm.This
warmstheoilsoitdrainsbetter.
25

Toro 74391 Specifications

General

Brand	Toro
Model	74391
Category	Lawn Mower
Language	English