Case CX300C - Hydraulic circuit

6-MAINTENANCE
Hydrauliccircuit
WARNING
Burnhazard!
Beforeperforminganyserviceonthehydraulicsystem,youmustallowittocool.Hydraulicuid
temperatureshouldnotexceed40°C(104°F).
Failuretocomplycouldresultindeathorseriousinjury.
W0241A
WARNING
Escapinguid!
Hydraulicuidordieselfuelleakingunderpressurecanpenetratetheskinandcauseinfectionor
otherinjury.Topreventpersonalinjury:Relieveallpressurebeforedisconnectinguidlinesorper-
formingworkonthehydraulicsystem.Beforeapplyingpressure,makesureallconnectionsaretight
andallcomponentsareingoodcondition.Neveruseyourhandtocheckforsuspectedleaksunder
pressure.Useapieceofcardboardorwoodforthispurpose.Ifinjuredbyleakinguid,seeyour
doctorimmediately.
Failuretocomplycouldresultindeathorseriousinjury.
W0178A
WARNING
Pressurizedsystem!
Neverattempttodrainuidsorremovelterswhentheengineisrunning.Turnofftheengineand
relieveallpressurefrompressurizedsystemsbeforeservicingthemachine.
Failuretocomplycouldresultindeathorseriousinjury.
W0905A
Servicespecications
Checkthehydraulicreservoiruidlevel:Every10hoursoreachday
Checkthelines:Every50hours
Drainingwaterandsedimentfromthehydraulicreservoir:Every250hours
Checktheconditionofthehydraulicuid:Every1000hours
Replacethereservoirbreatherlterelement:Every1000hours
Cleanthesuctionlter:Every2000hours
Replacethereturnlter:Every2000hours(aftertherst250hoursduringtherun-inperiod)
Replacethepilotlter:Every2000hours(aftertherst250hoursduringtherun-inperiod)
Replacethemainpumpoutlethoses:Every2yearsorevery4000hours(whichevercomesrst)
Replacetheattachmentcylinderhoses:Every2yearsorevery4000hours(whichevercomesrst)
Replacethesuctionlter:Every5000hours
Replacethehydraulicuid:Every5000hours
Reservoircapacity:147l(38.8USgal)
Totalsystemcapacity:300l(79.3USgal)
Typeofoil:(refertopage6-5)
ATTENTION:Ifbiodegradableuidisused,itisessentialtoreducethefollowingservicingintervalstothenumberof
hoursshown:
Replacethereturnlter:Every1000hours(aftertherst50hoursduringtherun-inperiod)
Replacethehydraulicuid:Every2000hours
ATTENTION:Ifthemachineisneworifamajorcomponenthasbeenoverhauledorchangedinthehydraulicsystem,
changethepilotlterandreturnlterafter50hoursofoperation.Afterthat,changetheseltersatthestipulated
interval.
ATTENTION:Every1000operatinghours,itisnecessarytohavethehydraulicuidanalyzedConsultyourCASE
CONSTRUCTIONDealer.
ATTENTION:Afterchangingthehydraulicuid,itisnecessarytobleedallairfromthehydrauliccomponents.See
"Bleedingairfromthehydrauliccomponents".
NOTICE:Ifmetalparticlesarefoundintheoldlters,consultyourCASECONSTRUCTIONDealer.
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