©2002 CaterpillarAll Rights Reserved

Printed in U.S.A.

RENR4839-01July 2002

216, 226, 232, 242, 236, 246, 252 and 262

Hydraulic System4NZ3400-Up4YZ4000-Up

5FZ6700-Up5SZ4000-Up

CAB1-UpFDG1-Up

Skid Steer Loader

CMB1-UpCED1-Up

A

A

B B

VIEW A-AVIEW B-B

1 2

3 4

5

76

Component

1

2

3

4

5

6

7

8

9

10

11

12

13

Item No.

Speed Sensing Port

Pump Case Pressure Port

Charge Pressure Port

MB1 Port

MB2 Port

MA2 Port

MA1 Port

Tilt Cylinder Rod Relief Valve

Auxiliary Line Relief Valve

Tilt Cylinder Head Relief Valve

Main Relief Valve

Main Worktool System Pressure Port

Lift Cylinder Head Relief Valve

TEST PORTS/VALVE LOCATION

f04140

8

9

10

11

12

13

12

3

AA

DescriptionItem

AABBCCDDEEFFGG

Test Ports

DescriptionItem

SOS

Signal Pressure

Main System Pressure (Pump 1 Forward)

Charge Pressure

Main System Pressure (Pump 2 Forward)

Main System Pressure (Pump 2 Reverse)

Main System Pressure (Pump 1 Reverse)HH

ABCDEFGH

Reverse Drive Position

Forward Drive Position

Left Drive Position

Right Drive Position

Dump Worktool Position

Rack Worktool Position

Lower Worktool Position

Raise Worktool Position

A B C D E F G H

BB

CC

DD EEFF

GGHH

M

6

10 11

12 13

14

16

15

15 Component

1

2

3

4

5

6

7

8

9

10

11

12

13

14

STANDARD COMPONENTS

Item No.

15

16

Drive Pilot Valve

Work Tool Pilot Valve

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

36

37

35

Screen

Auxiliary Proportioning Valve

Worktool Control Valve

41

40

39

38

Piston Pump

Gear Pump

Hydraulic Tank

Pilot Accumulator

Auxiliary Control Spool

Tilt Control Spool

Main Relief Valve

17

18 19 20

21

24

2223

25

27

2829

Radiator and Hydraulic Oil Cooler As

Gear Motor (Fan)

Return Manifold

Hydraulic Drain Valve

Lift Cylinder (Left)

Lift Cylinder (Right)

Tilt Cylinder (Left)

Tilt Cylinder (Right)

Hydraulic Oil Filter

Check Valve

Cross Over Relief Valve

Charge Pressure Relief Valve

Speed Sensing Relief Valve

Drive Motor (Left)

Drive Motor (Right)

Parking Brake Solenoid

Flushing Valve (Right)

Flushing Valve (Left)

Pressure Switch (Back-Up Alarm)

Hydrostatic Interlock Solenoid

Worktool Interlock Solenoid

31

313231

31 33

34 35

36

3738

39

40

41

4

7

26

Auxiliary Coupling (Bottom)

Auxiliary Coupling (Top)

Flow Divider Spool

Unloading Spool

5

8 9

Worktool Positioner Valve

Worktool Positioner Valve Solenoid

Ball Valve (Dead Engine Lower)

Main Worktool System Pressure

Lift Control Spool

f04139

1 39 4034 38 12 13 108367

22

23 3 4 5 6 9 25 26 35 37 2 41 11

24 27 29 30 31 32 33 28

14 15 16 17 18 19 20 21

30