SISTEMA HIDRAULICO 416C

SENR1213-02 January 1999

416C, 426C & 436C Backhoe Loaders Hydraulic & Steering Systems 416C

426C

436C

5YN1-UP

6XN1-UP

8TN1-UP

4ZN1-UP

7WN1-UP

9JN1-UP

1AR1-UP

1CR1-UP

1FR1-UP

1BR1-UP

1ER1-UP

1GR1-UP

1KR1-UP

1MR1-UP

1PR1-UP

1LR1-UP

1NR1-UP

1RR1-UP

1WR1-UP

1YR1-UP

2AR1-UP

1XE1-UP

1ZR1-UP

2BR1-UP

©1999 Caterpillar  All Rights Reserved

Printed in U.S.A.

2 0 3 1 2 1 R N E S

31 30 1

4

2

5

7

6

3

8 L

R

ItemNo.

Single Tilt LS

T

P

12

13

11

14

15

16

17

18

44 45

42

43

9

10

41

39

40

26 37 38 27

36

35

48

25

47

23

24

20

21

22

19

46

34 28

30

1

2

2WS Steering Metering Pump

3

AWSSteeringMeteringPump

4

AWSBrakeControlValve

5

Multipurpos e BucketCylinder (Optional)

6

AWSRearAxleBrakes

7

Loader Valve Group

8

AuxillaryControlValve(Optional)

9

LinestoAuxillaryCylinders(Optional)

9

17

6

10

AuxillaryControlValve(Optional)

SwingCylinders

13

Left Stabilizing Cylinder and Check Valve

14

RightStabilizingCylinderandCheck Valve

15

BackhoeBucketCylinder 

16

ExtendibleStickBucketCylinder(Optional)

17

StickCylinder 

18

ExtendibleStickCylinder(Optional)

19

ExtendibleStickControlValve(Optional)

20

StickControlValve

21

Bucket Control Valve

22

RightStabilizerControlValve

23

LeftStabilizerControlValve

24

SwingControlValve

LS

33

25

Boom Control Valve

26

TiltControlValve

27

LiftControlValve

28

AWS 3 Bank Valve (Optional)

29

AWSInletManifoldandSteeringPriorityValveGroup

30

2WS 3 Bank Valve (Optional)

34

42

2

11

12

1

43 32 39

38

6 45

46

36 43

5

37

40 41

37

LiftCylinders

38

AWSRearSteeringC ylinder(Optional)

39

AWS Steering Valve and Mounting Group

40

RideControlAccumulator(Optional)

41

RideControlSolenoidValve(Optional)

42

TiltCylinder 

31

2WSInletManifoldandSteeringPriorityValveGroup

32

PistonTypeHydraulicPump

33

Hydraulic Oil Tank

43

AWS Valve Assembly

34

HydraulicOilCooler 

44

AWSBrakeReservoirTankGroup

47

Orifice Diameter 1.5 mm (0.06 in)

35

AWSOilPressureSwitch

45

ReturnLineHydraulicOilFilter 

48

Orifice Diameter 0.4 mm (0.02 in)

36

RideControlPressureSwitch (Optional)

46

Check Valve

49

Orifice Diameter 1.2 mm (0.05 in)

Hydraulic Schematic - Parallel Lift

R

T

P

14

15

13

46

16

17

18

19

20

44

45

42

11

12

43 39 41

51

FrontSteeringCylinder 

2

2WS Steering Metering Pump

3

AWSSteeringMeteringPump

4

Multipurpos e BucketCylinders (Optional)

5

BroomMotor(Optional)

6

PinCouplerCylinder(Optional)

7

Coupler Valve and Mounting Group (Optional)

8

Manual Shut Off Valve (Optional)

9

Loader Valve Group

10

AuxillaryControlValve(Optional)

11

LinestoAuxillaryCylinders(Optional)

12

AuxillaryControlValve(Optional)

13

Boom Cylinder 

14

SwingCylinders

15

LeftStabilizerCylinderandCheckValve

16

RightstabilizerCylinderandCheck Valve

17

BackhoeBucketCylinder 

P LS T

35

28

31 34

32 A

33 B

P LS T

27

30 29

26

25

24

23

22

21

53

ExtendibleStickBucketCylinder(Optional)

19

17

27

40

26

39

25

34

24

33

23

32

22

31

21

10

12

9

38

18

36 29 20

30 3 2

8

48

37

14

1

47

15 46

35 28

43

49

4 41

42

5

44

6

45

7 8

36

Hydraulic Oil Tank

37

Hydraulic Oil Cooler 

38

AWSOilPressureSwitch

19

StickCylinder 

20

ExtendibleStickCylinder(Optional)

39

LiftControlValve

21

ExtendibleStickControlValve(Optional)

40

TiltControlValve

22

StickControlValve

41

RidecontrolPressureSwitch

23

Bucket Control Valve

42

LiftCylinders

24

RightStabilizerControlValve

43

AWSRearSteering Cylinder(Optional)

25

LeftStabilizerControlValve

44

Ride Control Solenoid Valve (Optional)

26

SwingControlValve

45

RideControlAccumulator(Optional)

46

AWS Steering Valve and Mounting Group (Optional)

47

AWS Valve Assembly

48

TiltCylinders

49

ReturnLineHydraulicOilFilter 

27

50

Component

1

18

52

44 35

13

48

36

7

10

'A'

37

8

19

3

40

38

10

20

4

Boom Cylinder 

Parallel Lift

49

26

21

11

8

L

'B'

27

22

18

11 12

ItemNo.

47

28

23

16 15

3

2 0 3 1 2 1 R N E S

29

24

9

7

5

4

FrontSteeringCylinder 

32

49

2

Component

1

29

31 33

25 Hydraulic Schematic - Single Tilt

Boom Control Valve

28

AWSRearAxleBrakes

29

AWSBrakeReservoirTankGroup

30

AWSBrakeControlValve

50

31

AWS 3 Bank Valve (Optional)

51

Orifice Diameter 0.4 mm (0.02 in)

32

AWSInletManifoldandSteeringPriorityValveGroup

52

Orifice Diameter 1.2 mm (0.05 in)

33

2WS 3 Bank Valve (Optional)

53

Check Valve

34

2WSInletManifoldandSteeringPriorityValveGroup

A

FluidfromAWSbrakevalveto AWSsteeringvalve

35

PistonTypeHydraulicPump

B

SignalfromAWSbrakereservoirtoAWS steeringvalve

Orifice Diameter 1.5 mm (0.06 in)