Stanley Black & Decker MBX138 Automobile Parts User Manual


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10 ► MAXFORCE BREAKER User Manual
PRE-OPERATION
Piston not against
toolbitleavingspace
betweenthepiston
andbit.
ToolStop
LowerBushing
ToolBit
GreaseWill
FillThis
Space
Figure 2.
SECURING THE TOOL
1. Laythebreakerinahorizontalpositiontoinstallthe
toolbit.Removethetoolpinretainerplateandthe
toolretainerplugs,seeFigure3below.
ToolBitRetainer
Plate
ToolBitRetainerPin
ToolBitRetainer
Plug
Figure 3.
2. Usingapunchandhammer,driveoutthetoolre-
tainerpins.
3.
WARNING
Flyingdebrismaybecausedbystrikingtherodpins
withapunchorhammer.
Weareyeprotectionwheninstallingorremovingthe
rodpins.
Failuretoweareyeprotectionmayresultineye
injury.
Greasethetopareaofthetoolbitasshowninthe
illustration.
4. Install the tool bit making sure the notches are
alignedwiththelowerbodytoolretainerpinholes.
5. Installthetoolretainerpins,toolretainerplugsand
retainerplate.
LOW-TEMPERATURE WARM-UP
PROCEDURE
1. Afterstartingtheexcavator,warm-upthehydraulic
system at engine idle until hydraulic lines are warm
to the touch.
2. Withtheexcavatoratidleandthebreakersuspend-
edintheairorwithminimaldownpressure,turnon
thebreakertograduallywarmupitsinternalcom-
ponents.
3. Whenthehydraulicsystemandbreakerarewarm,
proceedwithoperation.SeetheOPERATIONsec-
tionofthismanual.
LONG TERM STORAGE
Use the following procedure if storage of the break-
er is expected to be more than 6 months.
IMPORTANT:Thepistonprotrudesoutthebottomofthe
cylinderwhennotinuse,althoughitisinsidethelower
bodyitwillstillbeexposedtotheelementsandwillrust
damaginginternalcomponentswhenitisputbackinto
service.
Removethetoolbitanddischargethenitrogengasfrom
theupperaccumulator.Usethetoolbittopushthepis-
toninsidethecylinderwhereitwillbeprotectedfromthe
elements.Greasethelowerendoftheexposedpiston
thoroughly.Alsothoroughlycoatthetoolbit,toolstop,
retainingpins,andlowerbushingwithgrease.
If hoses are attached to the breaker, install plugs on
thehoseends.Ifhosesareremovedfromthebreaker,
installplugsonthehoseendsandinstallplugsinthe
breaker“IN”and“OUT”ports.
Storebreakerinadryareaundercoverifpossible.Itis
besttostorethebreakerinanareathathasaconsistent
temperaturetohelpavoidwatercondensationcausing
rust.Storethebreakerinaverticalposition.Donotstore
thebreakerhorizontallyforextendedperiods.
Ifthebreakerhasbeenlaidhorizontallyformorethan6
months,checkand/orreplaceallseals.Checkforcorro-
sionofboltsbeforeoperation.
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