13.Withtheopenendofthewheelfacingup,ll
theareainsidethewheelaroundtheaxlefullof
general-purposegrease.
14.Insertthesecondbearingandnewsealintothe
wheel.
15.Applyathread-lockingcompoundtothesecond
spacernut,andthreaditontotheaxlewiththe
wrenchatsfacingoutward.
16.Torquethenutto8to9N∙m(75to80in-lb),
loosenthenut,thentorqueitto2to3N∙m(20
to25in-lb).
Note:Makesurethattheaxledoesnotextend
beyondeithernut.
17.Installthesealguardsoverthewheelhub,and
insertthewheelintothecasterfork.
18.Installthecasterboltandtightenthenutfully.
Important:Topreventsealandbearingdamage,
checkthebearingadjustmentoften.Spinthe
castertire.Thetireshouldnotspinfreely(more
than1or2revolutions)orhaveanysideplay.If
thewheelspinsfreely,adjustthetorqueonthe
spacernutuntilthereisaslightamountofdrag.
Applyanotherlayerofthread-lockingcompound.
EngineMaintenance
EngineSafety
•Shutofftheenginebeforecheckingtheoilor
addingoiltothecrankcase.
•Keepyourhands,feet,face,clothing,andother
bodypartsawaythemuferandotherhotsurfaces.
ServicingtheAirCleaner
ServiceInterval:Every250hours—Replacethe
primaryairlter(moreoftenindirty
ordustyconditions).
Every250hours—Checkthesafetyairlter
(moreoftenindirtyordustyconditions).
Every500hours—Replacethesafetyairlter
(moreoftenindirtyordustyconditions).
Note:Servicetheaircleanermorefrequentlyif
operatingconditionsareextremelydustyorsandy.
RemovingtheFilters
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch(PTO),andengagethe
parkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Releasethelatchesontheaircleanerandpull
theair-cleanercoverofftheair-cleanerbody
(Figure56).
g001883
Figure56
1.Air-cleanerbody4.Air-cleanercover
2.Primarylter5.Safetylter
3.Latch
4.Cleantheinsideoftheair-cleanercoverwith
compressedair.
5.Gentlyslidetheprimarylteroutofthe
air-cleanerbody(Figure56).
Note:Avoidknockingthelterintothesideof
thebody.
6.Removethesafetylteronlytoreplaceit.
InspectingtheFilters
1.Inspectthesafetylter.Ifitisdirty,replaceboth
thesafetyandprimarylters.
Important:Donotattempttocleanthe
safetylter.Ifthesafetylterisdirty,then
theprimarylterisdamaged.
2.Inspecttheprimarylterfordamagebylooking
intothelterwhileshiningabrightlightonthe
47