CASE CONSTRUCTION CX80C - Hydraulic Return Filter

6-MAINTENANCE
Hydraulicreturnlter
NOTICE:whenusingthehydraulicbreaker,reducetheintervalofthereturnlterreplacement.Refertopage6-12.
NOTICE:whenusingbiodegradableoil,reducetheintervalofthereturnlterreplacementto1000hours.
WARNING
Burnhazard!
Beforeperforminganyserviceonthehy-
draulicsystem,youmustallowittocool.
Hydraulicuidtemperatureshouldnot
exceed40°C(104°F).
Failuretocomplycouldresultindeathor
seriousinjury.
W0241A
WARNING
Pressurizedsystem!
Neverattempttodrainuidsorremovel-
terswhentheengineisrunning.Turnoff
theengineandrelieveallpressurefrom
pressurizedsystemsbeforeservicingthe
machine.
Failuretocomplycouldresultindeathor
seriousinjury.
W0905A
Toreplacethehydraulicoilreturnlterproceedas
follows:
1.Releaseallpressureinthehydraulicreservoir.
Refertopage6-11
2.Cleanthetopofthehydraulicreservoirand
cleanthereturnltercover.
3.Removethecover(1),O-ring(2)andcompres-
sionspring(3).
4.Removethelter(4).
5.Installanewlter(4).
6.ChecktheO-ring(2)andreplaceitifitisworn
ordamaged.
7.Installthecompressionspring(3)andcover
(1).
8.Installtheupperplateonthehydraulictank.
9.Checkthehydraulicoillevelandtopupasnec-
essary.RefertopageOillevelindicator-
Check.
NOTICE:ifmetalparticlesarefoundintheoldlter,consult
yourCASECONSTRUCTIONDealer.
SMIL13CEX2797AB1
SMIL13CEX2798AB2
6-60