6-MAINTENANCE
Break-inperiod
Greasepoints(Bucket)
Lubricatethebucketlinkage(arm-bucketconnection
andarm-bucketlinkconnection)andthebucketcylin-
derpin(rodside)every10hwithintherst50h,then
lubricateevery50h.
Lubricatethebucketcylinderpin(headside)every10h
withintherst100h,thenlubricateevery250h.
Tolubricatethebucketlinkageandthebucketcylinder
pin(rodside)refertopage6-26.
Tolubricatethebucketcylinderpin(headside)referto
page6-41.
Greasepoints(Boomandarm)
Greasetheboom,thearm,andtheboomswingpost
every10hwithintherst100h,thengreaseevery
250h.
Togreasetheboom,thearm,andtheboomswingpost
refertopage6-41.
Greasepoints(Blade)
Greasethebladeevery10hwithintherst50h,then
greaseevery50h.
Togreasethebladerefertopage6-27.
Tighteningtorques
Checkthetighteningtorquesaftertherst50hofser-
vice,thencheckthetighteningtorquesevery250h.
Tocheckthetighteningtorques,seepage6-40.
Fuellter
Replacethefuellteraftertherst250hofservice,
thenreplacethefuellterevery400h.
Toreplacethefuellterperformtheoperationsde-
scribedonpage6-42.
Hydraulicoilreturnlter
Replacethehydraulicoilreturnlteraftertherst250h
ofservice,thenreplacethehydraulicoilreturnlterev-
ery1000h.
Toreplacethehydraulicoilreturnlterperformtheop-
erationsdescribedonpage6-49.
NOTE:replacethehydraulicoilreturnlterevery200hof
serviceifhydraulicbreakerisusedcontinuously.
6-18