Case CX490D - Page 329

9-ACCESSORIES
Operatetheexcavatorcarefullytoavoidhittingtheboom
withthehydraulicbreaker.
NH020228
Donotoperatethebreakerwiththearmpositionedverti-
cally.Excessivevibrationtothearmcylindermaycause
oilleakage.
NH020329
Pressthebreakersothatthechiselpointthrustissquare
(perpendicular)totheobjecttobebroken.
NH020430
Donotoperatethehydraulicbreakercontinuouslylonger
than15s.Excessivechiselwearwillresult.Ifanobject
couldnotbebrokenwithin15s,applychiseltootherlo-
cations,lessthan15sforeachlocation.
Ifbreakeroperationisdonewithambienttemperature
above35°C,makesuretotakeastand-bytimebetween
breakerstrikesinordertoallowthecirculationofthehy-
draulicuid.
NH020531
9-23