Operator's Manual

Model22974
ServiceInterval:Every250hours(moreoftenindirty
ordustyconditions)—Model22974
only.
Every500hours(moreoftenindirtyordusty
conditions)—Model22974only.
RemovingtheFilters
1.Parkthemachineonalevelsurface,engage
theparkingbrake(ifapplicable),andlowerthe
hydrauliclift.
2.Shutofftheengineandremovethekey.
3.Releasethelatchesontheaircleanerandpull
theair-cleanercoverofftheair-cleanerbody
(Figure29).
g001883
Figure29
1.Air-cleanerbody4.Air-cleanercover
2.Primarylter5.Safetylter
3.Latch
4.Cleantheinsideoftheair-cleanercoverwith
compressedair.
5.Gentlyslidetheprimarylteroutofthe
air-cleanerbody(Figure29).
Note:Avoidknockingthelterintothesideof
thebody.
6.Removethesafetylteronlyifyouintendto
replaceit.
Important:Donotattempttocleanthe
safetylter.Ifthesafetylterisdirty,then
theprimarylterisdamaged.Replaceboth
lters.
ServicingthePrimaryFilter
Inspecttheprimarylterfordamagebylookinginto
thelterwhileshiningabrightlightontheoutsideof
thelter.
Note:Holesinthelterappearasbrightspots.If
thelterisdirty,bent,ordamaged,replaceit.Donot
cleantheprimarylter.
ServicingtheSafetyFilter
Replacethesafetylter,nevercleanit.
Important:Donotattempttocleanthesafety
lter.Ifthesafetylterisdirty,thentheprimary
lterisdamaged.Replacebothlters.
InstallingtheFilters
Important:Topreventenginedamage,always
operatetheenginewithbothairltersandthe
coverinstalled.
1.Ifyouareinstallingnewlters,checkeachlter
forshippingdamage.
Note:Donotuseadamagedlter.
2.Ifyouarereplacingthesafetylter,carefully
slideitintothelterbody(Figure29).
3.Carefullyslidetheprimarylteroverthesafety
lter(Figure29).
Note:Ensurethattheprimarylterisfully
seatedbypushingonitsouterrimwhileinstalling
it.
Important:Donotpressonthesoftinside
areaofthelter.
4.Installtheair-cleanercoverwiththeside
indicatedasupfacingupwardandsecurethe
latches(Figure29).
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