7-MAINTENANCE
13.Removethehydrostaticdrivelter(2).Turnthelter
counterclockwisetoremove.
14.Cleanthecontactsurfaceonthelterhead.Make
surethatalldirtandgasketmaterialhasbeenre-
moved.
15.Applyathincoatofcleanoiltothehydrostaticoilgas-
ketandthreads.
RAIL12DOZ0178AA6
16.Installandtightenthehydrostaticlterrmlytothel-
terheadbyhand.Donotusealterwrenchtotighten
thelters.
RAIL12DOZ0179AA7
NOTICE:Cleanthereservoirsuctionscreensinconjunctionwiththisprocedure.
17.Fillthereservoirwithnewhydraulicoil.
18.Installthereservoirllercap.
19.Starttheengineandrunatapproximately1000RPM.
Checkforleakagearoundthelteranddrain.
20.Replaceallpanels,andcloseallaccessdoorsse-
curely.
21.Operatethecontrolsseveraltimestoremoveanyair
inthelines.
22.Placetheattachmentsontheground,andstopthe
engine.Checkthehydraulicoillevel.
23.Ifitisnecessarytotopoffwithmoreoil,makecertain
allpressureisremovedinthesystem,andremovethe
llcapslowlytoreleasepressureinthereservoir.
RAPH12DOZ128AA8
NOTICE:Checkdrainedoilformetallingsorotherforeignparticlesorhaveoilcheckedbyyourauthorizeddealer
throughtheSystemguardLubricantAnalysisprogram.
7-88