Shop manual máy đào Huyndai R480, 520LC Phần thủy lực
GROUP 1 HYDRAULIC CIRCUITGROUP 1 HYDRAULIC CIRCUITSECTION 3 HYDRAULIC SYSTEMSECTION 3 HYDRAULIC SYSTEM3AuGBSHPGDrGAB(cw)A(ccw)TRAVEL-RHARM2BUCKETTRAVEL-LHSTRAIGHT TRAVELARM1OPTIONBOOM1BOOM2SWINGDR#,dr# PH(MCV)T(dr1)PG(S/Motor)PP(MCV)A1A2A3P1P2P3P4 pc6(MCV)A5pb4pa4T(dr2)T(dr3)EPi1V2EV2Pi1PkBCACBDPDrps1ps2PTPS Pk(T/Joint)A2A1A3(Pi2,Pump)(Pi1,Pump)PSPSPSP1TP2PSSWING ARMBUCKET BOOMpb1 pa1(3)(4)(3,F)(1,G)TRAVELpb6pa6(1)(2)(2,D) (4,E)(3,B)(1,A)abdefghjPTPTPT(2,H) (4,J)PSABEDHJFGpb5pb8pa8pa2pb2pa5pa7pb7CAT/JohnDeere/ISO/HitachiPSPSPSaehfgjdb123cd1h1PTBAT3T1T2 T4pa10B9A9pb9pa9B8A8pb8pa8DR2pc2A7B7pa7pb7B6A6pb6pa6P3P2PHPAPPPTP1pr1pa1pb1A1B1pc6pa2DR3pb2A2B2pa3pb3B3A3pa4pb4A4B4pa5pb5A5B5pc1DR1pa11SMAReverseForwardBARHR/GMBXBreSMAReverseForwardBALHR/GMBXTBrePSPSMA Pi2(ps2,GB1Ba2a1A1a4A2Psv1Psv2a5Dr1,r2Dr3,r4DrPSMCV) Pi1(ps1,MCV)26223101131323089233324242422332624Shuttle block1 Main pump2 Main control valve3 Swing motor4 Travel motor5 RCV lever(LH)6 RCV lever(RH)7 RCV pedal8 Boom cylinder(LH)9 Boom cylinder(RH)10 Arm cylinder11 Bucket cylinder12 Turning joint13 Check valve14 Check valve15 Hydraulic tank16 Oil cooler17 Air breather18 Bypass valve19 Strainer20 Drain filter2122Solenoid valve23Pressure sensor242526 Last guard filterPressure sensorPressure sensor27 Remote fan pump & filter29 Relief valve 28 Remote fan motor30 Boom safety valve(Option)3231 Arm safety valve(Option)Pressure sensor(Option)33 Shuttle valveAccumulator(Option)34 Breaker pedal(Option)35 Accumulator36 Accumulator(Option)37 Stop valve(Option)40 Selector valve(Option)41 Solenoid valve(Option)3536 Accumulator(Option)37 Stop valve(Option)40 Selector valve(Option)41 Solenoid valve(Option)43 Breaker return filter(Option)44 EPPR valve(Option)484943 Breaker return filter(Option)44 EPPR valve(Option)Pattern change valve(Option)Solenoid valve(Option)26,272813141629201918151744212524242449567,262634412412T443640433737351AuGBSHPGDrGAB(cw)A(ccw)PG3PO3-148093HC01 . SYSTEM3AuGBSHPGDrGAB(cw)A(ccw)TRAVEL-RHARM2BUCKETTRAVEL-LHSTRAIGHT TRAVELARM1OPTIONBOOM1BOOM2SWINGDR#,dr# PH(MCV)T(dr1)PG(S/Motor)PP(MCV)A1A2A3P1P2P3P4 pc6(MCV)A5pb4pa4T(dr2)T(dr3)EPi1V2EV2Pi1PkBCACBDPDrps1ps2PTPS. pc6(MCV)A5pb4pa4T(dr2)T(dr3)EPi1V2EV2Pi1PkBCACBDPDrps1ps2PTPS Pk(T/Joint)A2A1A3(Pi2,Pump)(Pi1,Pump)PSPSPSP1TP2PSSWING ARMBUCKET BOOMpb1 pa1(3)(4)(3,F)(1,G)TRAVELpb6pa6(1)(2)(2,D) (4,E)(3,B)(1,A)abdefghjPTPTPT(2,H)