卡特330B挖掘机液压系统图.pdf

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1、SENR8972June199616RCATERPILLARP/N121-1416HE00S/N15404142434445464748330BAnd330BLExcavatorsHydraulicSystem1213154950330B:330BL:518SR1-UP8TR1-UP1JS1-UP351KS1-UP3752D41371MainControlValve11©1996CaterpillarPrintedinU.S.A.AllRightsReserved25262221T-OUT20DR519DR6RENR8972DR4D41

2、411PilotManifold3210122920212743735281534364142401723PGDRPp3658MUTT4Pp3781911ABBABA10911121314e701922532333036APiAP2ADrBL4BR3aL4aR3BR1BPiBP2dR4AP1ATBR2AR2aR2aR1aL1BL1AL1aL2AL2aL3BL3AL3AR1PSWPTAR1AR3R3(B)(F)BL2BDrPSL(L)(R)(B)(F)BP3BP1BTAL4R2R415HLR3AR4HR16dSWdST1PiLaR4bR3

3、bR2bR1PPbL1bL3PiBbL4dL517PRPLPATSTANDARDCOMPONENTSItemItemNo.ComponentNo.Component1SwingMotor27ShockReducingValve2TravelMotor(Left)28UpperPump3TravelMotor(Right)29LowerPumpTTTP4StickCylinder30AutomaticTravelSpeedChangeValveJLPJLT5TravelBrakeValve(Left)31PilotPumpJRPJRT6T

4、ravelBrakeValve(Right)32PilotOilManifold237BucketCylinder33PilotFilter8BoomCylinder34DrainFilter182021STICKSWING9StickDriftReductionValve35SlowReturnCheckValveJL3JL1JL4JL21910Swivel36OilCoolerTLA2TRA2BUCKETBOOM11MainControlValve37BypassCheckValvePi8Pi5JPiC/VPEUPSATLA1TRA

5、125JR4JR31238ReturnFilterJR2JR1Implement/SwingPressureSwitch13TravelPressureSwitch39HydraulicTank14BoomDriftReductionValve40StickIIControlValve15MainReliefValve41BoomIControlValveR2BucketControlValve16BoomRaisePressureSwitch4217PilotControlValve(Travel)43AttachmentContro

6、lValve18PilotControlValve(Swing/Stick)44RightTravelControlValveX1PAC19SolenoidValve(FineControl)45StraightTravelControlValveSP20SolenoidValve(TravelSpeed)46LeftTravelControlValveSB5SB4SB3SB2STSB1322721SolenoidValve(SwingPriority)47StickIControlValveM322ProportionalReduci

7、ngValve48BoomIITravelControl26X323PilotControlValve(Bucket/Boom)49LineReliefValve(BucketCylinderHeadEnd)A124HydraulicActivationControlValve50LineReliefValve(StickCylinderHeadEnd)PG28RENR8972DR1DR2DR3DR4DR5DR6Pi3Pi2Pi1TOUTPINABCM13025Accumulator51LineReliefValve(BoomCylin

8、derRodEnd)JSA5SA4SA3SA126PilotReliefValve52LineReliefValve(BucketCylinderRodEnd)SA2S2936A231D65742M2123