Operator's Manual

OperatingTips
•Ifthebitispositionedtoofarfromtheedgeofthe
material,thematerialmayabsorbtheenergyand
notbreak.
•Ifthematerialdoesnotbreakafter1minute,stop
thebreakerandmovethebittoadifferentlocation.
•Donotbindthebitinthematerialbeing
cut,otherwisethebitmaybendorwearout
prematurely.Ensurethatallforceappliedtothe
breakerisinlinewiththebit,notsidetosideor
fronttoback.Thisrequiresfrequentadjustments
inthepositioningofthetractionunit.
•Listentothesoundofthebreakerwhenis
operating.Thesoundchangeswhendownward
pressuredecreases.Ifthedownwardpressure
fromtheunitistooweak,youwillhearmetallic
strokesfromthehammerasitincorrectlystrikes
thebit.
•Excessivedownwardpressureproducesstrong
vibrationsintheunit.
•Manymaterialsdonotbreakwellwithcontinuous
hammeringin1location.Eachtimethatthe
breakerpenetratesthematerialwithoutbreaking
it,moveittoanewlocationinalineparallelto
theedgeofthematerial,about7.6cm(3inches)
fromtheprevioushole.Thisscoresthematerial
and,ifdonerepeatedly,breaksoffalargepiece
ofthematerial.
g359750
Figure16
•Ifyouarebreakingrebar-reinforcedconcrete,use
achiselbitinthebreakertocutthroughtherebars
intheconcrete.Youcanalsocuttherebarwith
atorch.
•Toimprovethelifeofthebreaker:
–Ensurethatthehydrauliccylindershaveat
least5cm(2inches)ofstroke;donotusethe
concretebreakerwiththehydrauliccylinders
fullyextended.
–Neverprywiththebitofthebreaker.
–Avoidhittingmaterialabruptlywiththebit.
–Donotusethebreakertoliftormovematerial.
–Donotoperatethebreakerunderwater;only
allowthebitintowater.
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