7-MAINTENANCE
Engineairlters
Checktheengineairlterperiodicallyfordirtanddebrisbuildup.Replacetheengineprimaryandsecondaryairlter
every2000hoursoreachyear,whicheveroccursrst.
Prioroperation:
Keepallunauthorizedpersonnelclearofthearea.Parkthemachineonlevelground,inneutralwiththeparkingbrake
applied,andtheattachmentloweredtotheground,turnofftheengine,removethekey,andverifythatenginecom-
ponentshavecooledoravoidcontact.Makesurethatallresidualpressureisrelievedfromcircuitsbeforebeginning
maintenance.
NOTICE:Replacetheprimaryelementifthelterwarninglampontheinstrumentclusterilluminatesortheaudible
alarmsounds.Ifthecautionwarningscontinueafterreplacingtheprimarylter,replacethesecondarylter.Under
normalconditions,youshouldreplacethesecondarylterafterthreeprimarylterreplacements.Replaceltersmore
oftenifconditionssowarrant.DONOTcleanthesecondarylter.Youmustreplacethesecondarylter.
1.Locatetheengineairlterinthemainenginecompart-
ment.
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2.Releasethelocks(1)onthecover(2).
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