Excavadora 330C Plano Hidraulico

RENR5437-02 June 2003

27

24

23

22

21

20

19

18

17

16

330C Excavator  Hydraulic System CYA1-UP

GKX1-UP

HAA1-UP

DKY1-UP

MCA1-UP JAB1-UP KDD1-UP GAG1-UP

12

©2003 Caterpillar   All Rights Reserved

Main Control Valve

36

32

34

Printed in U.S.A.

4

Hydraulic Schematic 190-7786 MAINCONNECTORLINE PILOT LINE DRAINLINE

7

47 1

3

2 X T2

PR

49

9

T1

D

7

C

8

6

5

B

8

T2

T1

4

1

12 16 17 18 19 2 0 21 2 2 23 2 4 27

X

A A

B

B

35 41

A

2

5 42

9 3

10

SPi

13

12

11

SP2

SDr 

BP2

6

BPi BDr 

BP3

SP3 SP1 T

AL4 aL4

BL3

R2

ST

aL3

BL2

AL3

aL2

(IN)

(RAISE)

BR5

Di4

BL1

AL2

aL1

Pi4

aR1

AL1

BR1

AR1 aR2

BR2 AR2

aR3

BR3

AR3

aR4

(CLOSE)

(REV)

AR4

Pi1

(LOWER)

AR5

BT

BP1 BR4

aR5 R3

R1

(REV)

(L)

19 21

20 14

17

16

15

22

18

(IN)

24

23

26

25

27     T     U     O

A1

B1

    N     R     I

A2

B2

A3

B3

    L

A4

B4

    N     N     E     W     P     O     O     D

    E     S     O     L     C

A5

C B5

A6

B6

A7

B7

STANDARDCOMPONENTS

    P     U HL

bL4

Di2

Pi2

(R)

(OUT) bL3

Pi3

Di3

(FWD)

(FWD) bL1

bL2

DST

PL

PR

bR1

bR2

(OPEN)

(RAISE)

bR3

bR4

(OUT) Di1

Item No.

HR

bR5

A8

B8

A2

B1

A4

A1

50

S4

29

B2

51 P2

32 P1 P2

Pi1

Pi2

PSA1

30

33

36

28

P1

46

M4

R3

34

PSA2

R1

PAC

A3

42

37

X2

31 X3

43 44 A

B

39

C

S

40

35

G D

DR1 DR2 DR3 DR4 DR5 DR6

PIN TOUT

47 F

E

OUT

IN

41

 TravelMotor(Left)  TravelMotor(Right)  Stick Cylinder    TravelBrakeValve(Left)   TravelBrakeValve(Right)  BucketCylinder   Boom Cylinder   Swivel   PilotControlValve(Travel)  Stick DriftReductionValve  Main ControlValve  Boom DriftReductionValve  PressureSwitch  PressureSwitch  Boom II ControlValve  Stick I ControlValve   SwingControlValve   LeftTravelControlValve   RightTravelControlValve  AttachmentControlValve  BucketControlValve  Boom I ControlValve

Item No.

Component

27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

 GearPump(Fan Motor)

 Main Relief Valve  PressureSwitch A   ccumulator   Reducing Valve (Boom/Swing Priority Mode)   PressureSensor(DrivePump)  SwingParkingBrake Solenoid Valve  Valve  SolenoidValve(HydraulicActivation)   DrivePump(Viewfrom ShaftEnd)  TravelSpeed Solenoid Valve   PilotOilManifold  Drain Filter   PilotRelief Valve   PilotFilter    IdlerPump(Viewfrom ShaftEnd)   PilotPump   SlowReturnCheckValve  BypassCheckValve   PressureSensor(Idler Pump) PowerShiftProportionalReducingValve   OilCooler   Return Filter   HydraulicTank

24 M2

25

  PilotControlValve(Swing and Stick)

51

 Relief Valve (FanPump)

A2 J2

26

 PilotControl Valve(Boom and Bucket)

52

  FanMotor(HydraulicOil Cooler)

M1

41

 SwingMotor 

 Stick II ControlValve

R4

38

Component

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

A1