SISTEMA HIDRAULICO 416C

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Text of SISTEMA HIDRAULICO 416C

SENR1213-02 January 1999

416C, 426C & 436C Backhoe Loaders Hydraulic & Steering Systems416C 5YN1-UP 4ZN1-UP 1AR1-UP 1BR1-UP 1KR1-UP 1LR1-UP 1WR1-UP 1XE1-UP 426C 6XN1-UP 7WN1-UP 1CR1-UP 1ER1-UP 1MR1-UP 1NR1-UP 1YR1-UP 1ZR1-UP 436C 8TN1-UP 9JN1-UP 1FR1-UP 1GR1-UP 1PR1-UP 1RR1-UP 2AR1-UP 2BR1-UP

1999 Caterpillar All Rights Reserved

Printed in U.S.A.

SENR1213-02

31 301 2 4 5 6 7 8L R

3Item No.

25Hydraulic Schematic - Single Tilt Component

29 28 27 26 10 8 7 35 44 33

24 23 9 22 21 20 17 16 15 19

1 2 3

Front Steering Cylinder 2WS Steering Metering Pump AWS Steering Metering Pump AWS Brake Control Valve Multipurpose Bucket Cylinder (Optional) AWS Rear Axle Brakes Loader Valve Group Auxillary Control Valve (Optional) Lines to Auxillary Cylinders (Optional) Auxillary Control Valve (Optional) Boom Cylinder Swing Cylinders Left Stabilizing Cylinder and Check Valve Right Stabilizing Cylinder and Check Valve Backhoe Bucket Cylinder Extendible Stick Bucket Cylinder (Optional) Stick Cylinder Extendible Stick Cylinder (Optional) Extendible Stick Control Valve (Optional) Stick Control Valve Bucket Control Valve Right Stabilizer Control Valve Left Stabilizer Control Valve Swing Control Valve Boom Control Valve Tilt Control Valve Lift Control Valve AWS 3 Bank Valve (Optional) AWS Inlet Manifold and Steering Priority Valve Group 2WS 3 Bank Valve (Optional) 2WS Inlet Manifold and Steering Priority Valve Group Piston Type Hydraulic Pump Hydraulic Oil Tank Hydraulic Oil Cooler AWS Oil Pressure Switch Ride Control Pressure Switch (Optional)

Single TiltLS T P

4 5 6 7 8 9 10

4 18 11 3 2 34 42

11

12

13

14

15

11

16

17

18

12 13 14

44 45 43 42 9 39 41 40 10

15 16 17 18 19 20

12

26 37 38 36 27

21 22 23 24 25 26 27 28

13 32 39 46 6 45 38 43

43

1

36 40 41

37

5

37 38 39 40 41 42 43 44 45 46

Lift Cylinders AWS Rear Steering Cylinder (Optional) AWS Steering Valve and Mounting Group Ride Control Accumulator (Optional) Ride Control Solenoid Valve (Optional) Tilt Cylinder AWS Valve Assembly AWS Brake Reservoir Tank Group Return Line Hydraulic Oil Filter Check Valve

35

48

29 30 31 32

4734 30 31 29 28

25

24

23

22

21

20

33

19

34

47 48 49

Orifice Diameter 1.5 mm (0.06 in) Orifice Diameter 0.4 mm (0.02 in) Orifice Diameter 1.2 mm (0.05 in)

46

35 36

33

49

32

27 1 2 4 5 6 26 7 8 9 10 3Item No. Hydraulic Schematic - Parallel Lift Component

40 39 34 33 32 31 10 9 38 36 30 3 2 48 37

25 11 24 23 22 17 18 20 8 19 21 12

L

R

1 2 3

Front Steering Cylinder 2WS Steering Metering Pump AWS Steering Metering Pump Multipurpose Bucket Cylinders (Optional) Broom Motor (Optional) Pin Coupler Cylinder (Optional) Coupler Valve and Mounting Group (Optional) Manual Shut Off Valve (Optional) Loader Valve Group Auxillary Control Valve (Optional) Lines to Auxillary Cylinders (Optional) Auxillary Control Valve (Optional) Boom Cylinder Swing Cylinders Left Stabilizer Cylinder and Check Valve Right stabilizer Cylinder and Check Valve Backhoe Bucket Cylinder Extendible Stick Bucket Cylinder (Optional) Stick Cylinder Extendible Stick Cylinder (Optional) Extendible Stick Control Valve (Optional) Stick Control Valve Bucket Control Valve Right Stabilizer Control Valve Left Stabilizer Control Valve Swing Control Valve Boom Control Valve AWS Rear Axle Brakes AWS Brake Reservoir Tank Group AWS Brake Control Valve AWS 3 Bank Valve (Optional) AWS Inlet Manifold and Steering Priority Valve Group 2WS 3 Bank Valve (Optional) 2WS Inlet Manifold and Steering Priority Valve Group Piston Type Hydraulic Pump

29

Parallel LiftSENR1213-0247'B'

4 5 6 7 8

48

9

14

40

10 11 12

15 46 28 49 35 43

47 41 44 45 42

1 4 5 6 7 8

LS'A'

T

P

13

14

15

16

17

13

18

19

20

14 15

49

46 45

44

16 17 18

36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 A B

Hydraulic Oil Tank Hydraulic Oil Cooler AWS Oil Pressure Switch Lift Control Valve Tilt Control Valve Ride control Pressure Switch Lift Cylinders AWS Rear Steering Cylinder (Optional) Ride Control Solenoid Valve (Optional) Ride Control Accumulator (Optional) AWS Steering Valve and Mounting Group (Optional) AWS Valve Assembly Tilt Cylinders Return Line Hydraulic Oil Filter Orifice Diameter 1.5 mm (0.06 in) Orifice Diameter 0.4 mm (0.02 in) Orifice Diameter 1.2 mm (0.05 in) Check Valve Fluid from AWS brake valve to AWS steering valve Signal from AWS brake reservoir to AWS steering valve

42 43 39 41

11

12

19 20 21 22 23 24 25

38 50

51P LS T

26 27 28 29

37

36

35

34 33

31 32A

28

30 31 32

B

P LS T

33 34 35

27

26

25

24

23

22

21

52

30 29

53