Case CX490D - Page 327

9-ACCESSORIES
11.PressandholdtheON/OFFbutton(1)locatedon
theright-handcontrollevertooperatethehydraulic
breakerwiththecontinuousselectedowproviding
aconstantblowingfrequency.Releasethebuttonto
stopbreakeroperation.
NOTE:Tochangetheblowingfrequency,getback
tothededicatedtabforoperationalsettingsofthe
auxiliaryhigh-owhydrauliccircuit,andchangethe
owrate/pressurecombinationtobeused.
SMIL15CEXZ396AB20
Avoidhittingobjectswithbreaker.Thebreakerisheav-
ierthanthebucketandlowersfaster.Thismaycause
damagestothebreaker,attachment,andupperstructure.
Alwayslowerthebreakerslowlyuntilthechiselpoint
touchestheobjecttobebrokenbeforestartingbreaker
operation.
NH019521
Donotusethehydraulicbreakerand/orswingfunctionto
pushobjectsasdamagestotheattachmentmayresult.
NH019622
Donotoperatethebreakerwiththeexcavatorcylinders
fullyextendedorretractedtoavoidattachmentand/or
cylinderdamage.
NH019723
9-21