CASE CONSTRUCTION CX75C SR - Breaker: Hydraulic Filters and Hydaulic Oil Replacement

6-MAINTENANCE
Breaker:hydraulicltersandhydaulicoilreplacement
Whenusingthehydraulicbreaker,hydraulicuiddeterioratesmorequicklythanduringordinarydigging.Checkthe
hydraulicuidlevelmorefrequently.Inaddition,whenchangingthelters,alsochecktheconditionofthehydraulic
uid.
Usingthefollowinggraphasareference,determinetheintervalsforchangingthehydraulicuidandlters,depending
onthefrequencyofuseofthehydraulicbreaker.
Percentageofuse
100%40%20%10%
Interval
10
h
100
h
600
h
10
h
300
h
1500
h
10
h
600
h
300
h
10
h
800
h
4000
h
Servicepoints
Hydraulicuid(1)(3)(1)(3)(1)(3)(1)(3)
Returncircuitlter
(3)(3)(3)(3)
Suctionlter
(2)(3)(2)(3)(2)(3)(2)(3)
Pilotlter
(3)(3)(3)(3)
Hydraulicuidcondition
200h300h600h800h
(1)Checkthelevel
(2)Cleanorreplace
(3)Replace
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