Case CX490D - Hydraulic Oil Tank

6-MAINTENANCE
Hydraulicoiltank
WARNING
Burnhazard!
Beforeperforminganyserviceonthehydraulicsystem,youmustallowittocool.Hydraulicuid
temperatureshouldnotexceed40°C(104°F).
Failuretocomplycouldresultindeathorseriousinjury.
W0241A
Drainwaterandsedimentfromthehydraulicoiltankevery250h
NOTICE:Thehydraulictankmustbedrainedtakingprecautionssothatanyforeingmaterialmaygetsinside.Failing
tocomplywillleadtoseveredamagestothehydraulicsystem.
Todrainwaterandsedimentfromthehydraulicoiltank
proceedasfollows:
1.Parkthemachineonahardandlevelground.
Orienttheupperstructureframesothatthereis
enoughfreespaceunderthehydraulictankto
placeabarrelofsuitablecapacity.
2.Stoptheengineandremovethestarterkey.
3.Releaseallthepressureinthehydraulictank.Re-
fertopage6-10.
4.Openthelowerpanel(1)belowthehydraulictank
toaccessthedrainplug.
5.Placeacontainerofasuitablecapacityunderthe
drainplug.
6.Openthepluganddraintheaccumulatedsediment
andwater.
NOTICE:thedrainedmaterialsshallbedisposed
accordingtothelocalRegulationsforspecial
wastes.
7.Closethedrainplug,andlockthelowerpanelbe-
lowthehydraulictank.
8.Checkthelevelofthehydraulicuidinthesystem,
andrellifneeded.
SMIL19CEX1997AA1
SMIL15CEXY550AA2
6-34