6-MAINTENANCE
5.Placeacontainerwithanappropriatecapacityunder
thereservoirdrainvalve.
6.Openthereservoirdrainvalvetodraintheremaining
hydraulicuid.
7.Replacethesuctionlterasdescribedonpage6-55.
8.Replacethereturnlterasdescribedonpage6-56.
9.Closethereservoirdrainvalve.
10.Addnewhydraulicoiltothetank.
11.Replacethecoverplatesealifnecessaryandinstall
thecoverplateonthetank.
SMIL17CEX3267AA2
12.Installthepaneloverthehydraulictank.
13.Starttheengine,andrunitwithnoloadforabout
5min.
14.Moveeachcontrolseveraltimestoremoveallairfrom
thesystem.
15.Swingtheupperstructureallthewayfromlefttoright
equallytwiceormore.
16.Parkthemachineatthespeciedposition,andthen
stoptheengine.
17.Checktheoillevelofthehydraulictank,rellitwithoil
asnecessary.Checkthattherearenobubblesinthe
hydraulictank.
Bleedingairfromthehydrauliccomponents
NOTE:Afterbleedingairfromthecomponents,stopthe
engineforveminutesandchecktherearenobubblesat
thesurfaceofthehydraulicuidinthereservoir.
6-68