7-MAINTENANCE
Hydraulicoilsystem-oillterreplacement
Movethemachinetoalevelandrmground.
Lowertheloaderattachmenttotheground.
Placethebackhoeattachmentintheroadtravelposition.
Placethedirection-of-travelleverandgearshiftleverin
neutralposition.
Immobilizethemachinebymeansoftheparkingbrake.
Stoptheengineandremovethestarterswitchkey.
LEEN12T0640AA1
Cleantheareaaroundthelterhead,locatedinthebottom
left-handpartofthemachine.
Placeacontainerwithsuitablecapacityunderthelter.
Unscrewandremovethecartridge(1)bymeansofwrench
380000670.
Applyathinlayerofoilonthenewlterseal.
Assemblethenewcartridge(1).
Manuallyscrewinthecartridgeuntilthesealtouchesthe
lterhead.
Bymeansofwrench380000670,tightenby3/4ofaturn.
NOTICE:overtighteningcandamagethelterseal.
LEEN12T0473AA2
Checkthattheoillevelreachesthemiddleofthegauge
(2).T opupifnecessary.
NOTICE:evenwhenitslevelisinsufcient,asmallquantity
ofhydraulicoilremainsinthelowerpartofthegauge.This
doesnotmeanthatthelevelissufcient.
LEEN12T0580AA3
7-65