Toro 74923 - Engine Maintenance; Engine Safety; Servicing the Air Cleaner

12.Withtheopenendofthewheelfacingup,ll
theareainsidethewheelaroundtheaxlefullof
general-purposegrease.
13.Insertthesecondbearingandnewsealintothe
wheel.
14.Applyathread-lockingadhesivetothesecond
spacernut,andthreaditontotheaxlewiththe
wrenchatsfacingoutward.
15.Torquethenutto8to9N∙m(75to80in-lb),
loosen,thentorqueto2to3N∙m(20to25in-lb).
Note:Makesurethattheaxledoesnotextend
beyondeithernut.
16.Installthesealguardsoverthewheelhub,and
insertthewheelintothecasterfork.
17.Installthecasterboltandtightenthenutfully.
Important:Topreventsealandbearingdamage,
checkthebearingadjustmentoften.Spinthe
castertire.Thetireshouldnotspinfreely(more
than1or2revolutions)orhaveanysideplay.If
thewheelspinsfreely,adjustthetorqueonthe
spacernutuntilthereisaslightamountofdrag.
Applyanotherlayerofthread-lockingadhesive.
EngineMaintenance
WARNING
Contactwithhotsurfacesmaycausepersonal
injury.
Keepyourhands,feet,face,clothing,and
otherbodypartsawaythemuferandother
hotsurfaces.
EngineSafety
Shutofftheenginebeforecheckingtheoiloradding
oiltothecrankcase.
ServicingtheAirCleaner
ServiceInterval:Every250hours—Replacethe
primaryairlter.
Every250hours—Checkthesecondaryair
lter.
Every500hours—Replacethesecondaryair
lter.
Note:Servicetheaircleanermorefrequentlyif
operatingconditionsareextremelydustyorsandy.
RemovingtheFilters
1.Disengagetheblade-controlswitch(PTO),move
themotion-controlleverstotheNEUTRAL-LOCK
position,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Pushdowntoreleasetheretainingclampson
theaircleaner,andpulltheair-cleanercoveroff
theair-cleanerbody(Figure47).
4.Cleantheinsideoftheair-cleanercoverwith
compressedair.
5.Gentlyslidetheprimarylteroutofthe
air-cleanerbody(Figure47).Avoidknockingthe
lterintothesideofthebody.
6.Removethesecondarylteronlyifyouintend
toreplaceit.
Important:Neverattempttocleanthe
secondarylter.Ifthesecondarylteris
dirty,thentheprimarylterisdamagedand
youshouldreplacebothlters.
7.Inspecttheprimarylterfordamagebylooking
intothelterwhileshiningabrightlightonthe
outsideofthelter.
Note:Holesinthelterappearasbrightspots.
Note:Ifthelterisdamageddiscardit.
38