14m Hydraulic b9j

INTERACTIVE SCHEMATIC Bookmarks

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Information Component Table Tap Table Fluid Power Symbols Electrical Symbols

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EC-C1

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RENR9028-02 November 2010

14M Motor Grader Hydraulic System B9J1-UP R9J1-UP

© 2010 Caterpillar, All Rights Reserved

Printed in U.S.A.

COMPONENT LOCATION

Part Machine Schematic Number Location Location

Description Accumulator GP - Blade Cushion

219-8035

1

D-6

Accumulator GP - Brake

249-3860

2

B-2

Breather AS

9R-9925

3

B-8

Control GP - Brake Pedal

301-4129

4

D-1

Cylinder GP - Articulation

303-9598

5

D-8

Cylinder GP - Blade Lift

270-7536

6

D-6

Cylinder GP - Blade Tip

9T-8944

7

F-4

Cylinder GP - Center Shift

262-1906

8

F-5

Cylinder GP - LH Steering

276-5682

9

E-3

Cylinder GP - RH Steering

276-5681

10

E-3

Cylinder GP - Ripper Lift

113-5264

11

F-8

Cylinder GP - Side Shift

257-5083

12

F-5

Cylinder GP - Wheel Lean

249-5299

13

F-7

Filter GP - Pilot

191-9784

14

B-4

Filter GP - Return

249-2307

15

A-8

Lock GP - Center Shift

298-2600

16

D-5

Manifold GP - Control Blade Cushion

253-1320

17

D-7

Manifold GP - Pilot Shutoff Solenoid

263-1790

18

B-5

Motor GP - Circle Drive

9T-5977

19

F-6

Motor GP - Fan

250-9831

20

A-3

Pump GP - Fan / Brake

250-8337

21

B-7

Pump GP - Implement / Steering

246-4486

22

B-6

Pump GP - Secondary Steering

273-8714

23

A-6

Screen - Implement Control Valve (Front)

250-1420

24

E-3

Screen - Implement Control Valve (Rear)

250-1420

25

C-5

Screen - Steering Pilot Manifold Valve

6E-5066

26

C-2

Swivel - Blade

260-6502

27

F-4

Tank GP - Hydraulic Oil

241-3867

28

B-8

Valve - Shuttle (Load Signal Resolver)

6R-7605

29

B-4

Valve GP - Check (E)

193-9230

30

B-5

Valve GP - Check (Implement / Steering)

255-3631

31

B-6

Valve GP - Check (Secondary Steering)

9T-1013

32

Valve GP - Cooler Bypass

266-1595

33

A-5 A-4

Valve GP - Fan / Brake Control

251-8256

34

A-3

35

E-5

Valve GP - Implement Control (Front)

(5-Bank)

259-6919

(6-Bank)

291-9518

Valve GP - Implement Control (Rear)

259-6923

36

C-5

Valve GP - Relief (Secondary Steering)

9T-8071

37

A-5

Valve GP - Steering Control

308-0935

38

D-2

254-3415

39

C-2

Valve GP - Steering Pilot Manifold

TAP LOCATION

Tap Number

Description

Schematic Location

AA

Implement / Steering Pump Load Sense

B-6

BB

Implement / Steering Pump Pressure

B-5

CC

Pilot Supply Pressure

B-5

DD

Fan Motor Supply Pressure

A-3

EE

Service Brake LH Pressure

D-2

FF

Service Brake RH Pressure

C-2

Hydraulic Oil Sampling

B-5

SOS

FLUID POWER SYMBOLS BASIC COMPONENT SYMBOLS

MAIN AUX.

PUMP or MOTOR

SPRING (ADJUSTABLE)

VARIABILITY

CONTROL VALVES

SPRING

FLUID CONDITIONER

PRESSURE COMPENSATION

LINE RESTRICTION (VARIABLE)

TWO POSITION

2-SECTION PUMP

HYDRAULIC PNEUMATIC ENERGY TRIANGLES

ATTACHMENT

LINE RESTRICTION

VALVE PORTS

TWO-WAY

THREE POSITION

PUMP: VARIABLE and PRESSURE COMPENSATED

VARIABLE and PRESSURE COMPENSATED

VALVES

VALVE ENVELOPES

ONE POSITION

LINE RESTRICTION (FIXED)

RESTRICTION

FOUR-WAY

THREE-WAY

CONTROL VALVES

CHECK VALVES

AB

AB

P T NORMAL POSITION

P T SHIFTED POSITION

INFINITE POSITION

SHUTTLE

SPRING LOADED

BASIC SYMBOL

PILOT CONTROLLED

FLUID STORAGE RESERVOIRS

VENTED

RETURN ABOVE FLUID LEVEL

PRESSURIZED

RETURN BELOW FLUID LEVEL

MEASUREMENT

PRESSURE

TEMPERATURE

ROTATING SHAFTS

FLOW

UNIDIRECTIONAL

BIDIRECTIONAL

COMBINATION CONTROLS

SOLENOID

SOLENOID or MANUAL

SOLENOID and PILOT or MANUAL

SOLENOID and PILOT

SERVO

DETENT

THERMAL

MANUAL CONTROL SYMBOLS

MANUAL SHUTOFF

PUSH-PULL LEVER

RELEASED PRESSURE

EXTERNAL RETURN

SPRING LOADED

HYDRAULIC PUMPS VARIABLE DISPLACEMENT NON-COMPENSATED

PEDAL

LINES CROSSING

LINES JOINING

VARIABLE DISPLACEMENT NON-COMPENSATED

UNIDIRECTIONAL

UNIDIRECTIONAL

BIDIRECTIONAL

BIDIRECTIONAL

INTERNAL SUPPLY PRESSURE

COMPLETE

HYDRAULIC AND PNEUMATIC CYLINDERS

SINGLE ACTING

DOUBLE ACTING

INTERNAL PASSAGEWAYS

HYDRAULIC MOTORS FIXED DISPLACEMENT

SPRING

REMOTE SUPPLY PRESSURE

SIMPLIFIED

CROSSING AND JOINING LINES

GAS CHARGED

PUSH BUTTON

PILOT CONTROL SYMBOLS

INTERNAL RETURN

ACCUMULATORS

FIXED DISPLACEMENT

GENERAL MANUAL

INFINITE POSITIONING

FLOW IN ONE DIRECTION

THREE POSITION

PARALLEL FLOW

CROSS FLOW

TWO POSITION

FLOW ALLOWED IN EITHER DIRECTION

ELECTRICAL SYMBOLS Hydraulic Symbols (Electrical)

G Transducer (Fluid)

Transducer (Gas / Air)

Pressure Switch (Adjustable)

Pressure Switch

M

Generator

Electric Motor

Electrical Wire

Temperature Switch

Electrical Symbols (Electrical)

T

Pressure Symbol

Temperature Symbol

Level Symbol

Flow Symbol

Wire Number Identification Codes

Electrical Schematic Example

Hydraulic Schematic Example Current Standard

Current Standard Harness identification code This example indicates wire 135 in harness "AG".

Wire Circuit Number Identification

Wire Color

325-AG135 PK-14 325-PK Circuit Identification Number

Wire Color

Wire Gauge

Previous Standard Wire Color

Wire

325-PK-14 B Circuit Number Identification

A

Wire Gauge (EXAMPLE VALVE)

8

7

(11) CYLINDER GP RIPPER LIFT 113-5264

6

(19) MOTOR GP CIRCLE DRIVE 9T-5977

(13) CYLINDER GP WHEEL LEAN 249-5299

4

5 (8) CYLINDER GP CENTER SHIFT 262-1906

2

3

1

(7) CYLINDER GP BLADE TIP 9T-8944

LINES GROUP COLOR DESCRIPTIONS IMPLEMENT AND STEERING PUMP OUTPUT SUPPLEMENTAL STEERING PUMP OUTPUT CENTERSHIFT LOCK CONTROL CIRCUIT FAN AND BRAKE PUMP OUTPUT

(12) CYLINDER GP SIDE SHIFT 257-5083 (27) SWIVEL BLADE 260-6502

F

CENTERSHIFT CYLINDER CONTROL CIRCUIT SIDE SHIFT CYLINDER CONTROL CIRCUIT SUPPLY LINE DRAIN / RETURN LINE STEERING CYLINDER CONTROL CIRCUIT BLADE TIP CYLINDER CONTROL CIRCUIT PILOT SHUTOFF CIRCUIT CIRCLE DRIVE MOTOR CONTROL CIRCUIT IMPLEMENT AND STEERING LOAD SENSE CIRCUIT

F

BLADE LIFT CYLINDER CONTROL CIRCUITS WHEEL LEAN CYLINDER CONTROL CIRCUIT ARTICULATION CYLINDER CONTROL CIRCUIT SERVICE BRAKE CONTROL CIRCUIT RIPPER LIFT CYLINDER CONTROL CIRCUIT

E

E

RIPPER LIFT

WHEEL LEAN

CIRCLE DRIVE

CENTER SHIFT

(1) ACCUMULATOR GP BLADE CUSHION (NOTE C) 219-8035

(5) CYLINDER GP ARTICULATION 303-9598

(6) CYLINDER GP BLADE LIFT 270-7536

SIDE SHIFT

BLADE TIP (24) SCREEN IMPLEMENT CONTROL VALVE (FRONT) 250-1420

(35) VALVE GP IMPLEMENT CONTROL (FRONT) 259-6919 (5-BANK) 291-9518 (6-BANK)

(9) CYLINDER GP LH STEERING 276-5682

(6) CYLINDER GP BLADE LIFT 270-7536

CL

(10) CYLINDER GP RH STEERING 276-5681

CR

(16) LOCK GP CENTER SHIFT 298-2600

(38) VALVE GP STEERING CONTROL 308-0935

D

(4) CONTROL GP BRAKE PEDAL 301-4129

LE

D

L

(17) MANIFOLD GP BLADE CUSHION (NOTE C) 253-1320

R RE

EE

FF (36) VALVE GP IMPLEMENT CONTROL (REAR) 259-6923 C

C Ps

(26) SCREEN (STEERING PILOT MANIFOLD VALVE) 6E-5066

EF Ts

ARTICULATION (3) BREATHER AS 9R-9925

BLADE LIFT

BLADE LIFT (31) VALVE GP CHECK (IMPLEMENT/STEERING) 255-3631

(28) TANK GP HYDRAULIC OIL 241-3867 (21) PUMP GP FAN / BRAKE 250-8337

(22) PUMP GP IMPLEMENT/ STEERING 246-4486

(29) VALVE SHUTTLE (LOAD SIGNAL RESOLVER) 6R-7605

(25) SCREEN IMPLEMENT CONTROL VALVE (REAR) 250-1420

P

(39) VALVE GP STEERING PILOT MANIFOLD 254-3415

T

LS

AA CC

BB

PS

NOTE A: COMPONENT PART OF EU ATTACHMENT NOTE C: COMPONENT PART OF BLADE CUSHION ATTACHMENT

B

B

LS SCREEN (FAN/BRAKE CONTROL) 6E-5066

SOS

(18) MANIFOLD GP PILOT SHUTOFF SOLENOID 263-1790 (30) VALVE GP

(15) FILTER GP RETURN 249-2307

A1 (2) ACCUMULATOR GP BRAKE 249-3860 (NOTE A: EU BRAKES 249-3862)

P

(14) FILTER GP PILOT 191-9784

A2

CHECK (E) 193-9230 LINE PATTERNS

FAN/BRAKE PUMP IMPLEMENT/ STEERING

A

T

(32) VALVE GP CHECK (SECONDARY STEERING) 9T-1013

Pressure Line

(20) MOTOR GP FAN 250-9831

DD

Pilot / Load Sensing Pressure

(34) VALVE GP FAN/BRAKE CONTROL 251-8256

Drain / Return Lines Component Group

CALLOUTS YY

(23) PUMP GP SECONDARY STEERING 273-8714 8

7

6

(37) VALVE GP RELIEF (SECONDARY STEERING) 9T-8071 5

THIS SCHEMATIC IS FOR THE 14M MOTOR GRADER PART NUMBER: 236-8831, CHANGE: 04, VERSION: -

(33) VALVE GP COOLER BYPASS 266-1595 4

Taps (Pressure, Sampling,Sensor) by letter

Components are shown installed on a fully operable machine with the key and engine off, transmission shifter in neutral and with parking brake set. Refer to the appropriate Service Manual for Troubleshooting, Specifications and Systems Operations.

3

2

1

A

MACHINE COMPONENT LOCATIONS VIEW ALL CALLOUTS

37

21

3

32

15

23

5

7

16

2

5

4

26

38

26

38

39

12

6

1

9

17

24

30 31 20 11 33

30

33

21

3

15

2

25

39

29

8

36

25

8

29

6

36

27

6

19

1

10

17

13

24

31 32 20 11 37 23

5

4

7

16

12

27

19

9

10

13

35

35

FAN / BRAKE CONTROL VIEW ALL CALLOUTS

34

DD

IMPLEMENT - STEERING CIRCUIT VIEW ALL CALLOUTS

28

22

AA

18

FW D SOS

14

BB

CC

SERVICE BRAKES VIEW ALL CALLOUTS

EE

LH VIEW

FF