Case 621G - Hydraulic Oil Filter - Replace

7-MAINTENANCE
Hydraulicoillter-Replace
WARNING
Pressurizedhydraulicuidcanpenetratetheskinandcausesevereinjuries.
Hydraulicuidisunderextremepressure.Restthebucketorattachmentontheground.Shutthe
engineoff,turnthekeyon,andmovethehydrauliccontrolleverthroughallmovementsseveraltimes
torelieveresidualpressureinthesystem.
Failuretocomplycouldresultindeathorseriousinjury.
W0161A
WARNING
Pressurizeduidcanpenetratetheskinandcausesevereinjuries.
Keephandsandbodyawayfromanypressurizedleak.DONOTuseyourhandtocheckforleaks.Use
apieceofcardboardorpaper.Ifuidpenetratestheskin,seekmedicalattentionimmediately.
Failuretocomplycouldresultindeathorseriousinjury.
W0158A
Replacethehydraulicoillterevery2000hoursormorefrequentlywhenoperatingconditionsaresevere.
Prioroperation:
Keepallnon-authorizedpersonnelclearofthearea.Parkthemachineonlevelgroundinneutralwiththeparking
brakeappliedandtheattachmentloweredtotheground.
1.Releasepressureinthehydraulicsystem.Installthe
transport/servicelinkintothelockedposition.
2.Slowlyloosenthellercaponthehydraulicreservoirto
releaseanyresidualpressureinthereservoir.Leave
thellercaplooseduringtheprocedure.
3.Turntheltercounterclockwisetoremove.Lubricate
thegasketandthreadsofthenewlterwithcleanhy-
draulicuidandinstall.Aftertheltermakescontact
withthelterheadtighten1/2to3/4turns.
4.Tightenthecaponthehydraulicreservoir.
LEIL16WHL0078AB1
5.Starttheengineandrunat1000RPM.Haveanassis-
tantcheckforleaksaroundthelterarea.Stoptheen-
gineandcheckthehydrauliclevel.Topoffifnecessary.
RCPH10WHL127AAH2
NOTICE:neverusealterwrenchtoinstallanewlter.
7-112