CASE CONSTRUCTION 450DX - Specifications; Technical Features Overview

8-SPECIFICATIONS
8-SPECIFICATIONS###_9_###
Technicalfeatureofthemachine
Technicalfeaturesofthemachine
Machine
Thefrontframeofthisvibratorycompactorisconnectedtotherearframebymeansofanarticulationjoint.The
frontrollerframeisaweldedconstructionandmountedwithantvibrationpadsatthedrum.Therearframeisalso
aweldedconstructionwithaboxshapedhollowspaceattherearendservingasfueltankandwatertank.There
isanoperator’sstandwithsunroofontopandtheoperatingandcontrolequipmentlocatedonthefrontpartofthe
operator’splatform.
Engine
Thewater-cooled,Naturallyaspirateddieselengineismountedonthefrontchassisinthetransversedirection
(across).Optimumcombustionairlteringisguaranteedbydrytype,doubleelementairlter.Thevariabledisplace-
menthydraulicpumpforpropulsionandiscoupledtotheengineywheelageartypetandempumpismountedon
theexiblecouplingwhichprotectsthepumpsfromenginevibrations.Theenginedrawsitsfuelfromthefueltank
withacapacityof45.0L(11.9USgal)mountedontherearchassis.
Hydraulicsystem
Travelcircuitisclosedloophydraulic.circuitwhileSteering&Vibrationcircuitisopenloopcircuit.Ahydraulicoil
tank,withthecapacityof45.0L(11.9USgal),suppliesoiltothegearpumpmountedontheenginethroughreturn
cumsuctionlterwhichfeedsthesteeringunit(Orbital&steeringcylinders)&alsoactsaschargingpumpfortravel
circuit
Aportionoftheoilfromtheclosedloopsystemispassedthroughthehydraulicoilcoolermountedonrearframeto
achievetheoptimumhydraulicoilcooling.
Travel
Thetravelpumpmountedattheywheelsideoftheenginesupplieshydraulicoiltotherearaxlemotorsandtothe
frontdrummotorviahoses.Thedrumdrivemotoriscoupledtotherollerdrumandtheaxlemotoriscoupledtothe
rearaxletherebypropellingthemachine.Theforwardandreversetravelsareachievedbychangingthedirectionof
owtothemotors.
Vibration
Thevibrationpumpcoupledtothetravelpumpsupplieshydraulicoiltothevibrationmotorviahoses.Thevibration
motorinturndrivestheshafttherebyvibratingtheroller.Dualfrequencyandsingleamplitudeareachievedbychang-
ingthespeedanddirectionofrotationofvibrationmotor.Modeofvibrationisselectedbyusingtherotaryswitch
providedonthecontrolpanel.
Steeringsystem
Thesteeringpumpmountedontheenginesuppliesoiltothesteeringcylindersviatheorbitalunitlocatedbelowthe
operator’splatform.Thesteeringcylindersareconnectedtotherearframeandtheirpistonrodsareconnectedtothe
articulationjoint,whichisconnectedtotheroller.
Electricalsystem
Theelectricalsystemconsistsofa12Vbattery,astartermotorandanalternatorontheengine.Controlpaneland
othermonitoringfacilitiesavailableinthemachine.
Thelightingsystemincludestwoheadlampswithparkinglightatthefrontandattherear.
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