Case CX130C - Page 220

6-MAINTENANCE
5.Placeacontainerwithanappropriatecapacityunder
thereservoirdrainvalve.
6.Openthereservoirdrainvalvetodraintheremaining
hydraulicuid.
7.Replacethesuctionlterasdescribedonpage6-59.
8.Replacethereturnlterasdescribedonpage6-60.
9.Closethereservoirdrainvalve.
10.Addnewhydraulicoiltothetank.
11.ReplacetheO-ring,andattachthecoverofthehy-
draulicoilsuctionlter.
12.Starttheengine,andrunitwithnoloadforabout
5min.
13.Moveeachcontrolseveraltimestoremoveallairfrom
thesystem.
14.Swingtheupperstructureallthewayfromlefttoright
equallytwiceormore.
15.Parkthemachineatthespeciedposition,andthen
stoptheengine.
16.Checktheoillevelofthehydraulictank,rellitwithoil
asnecessary.Checkthattherearenobubblesinthe
hydraulictank.
SMIL15CEX9120AA2
Bleedingairfromthehydrauliccomponents
NOTE:Afterbleedingairfromthecomponents,stopthe
engineforveminutesandchecktherearenobubblesat
thesurfaceofthehydraulicuidinthereservoir.
6-70