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Hydraulic Symbols (Electrical)

Electrical Symbols Table

325-AG135 PK-14

Circuit IdentificationNumber

Wire Color Wire Gauge

Harness identification codeThis example indicateswire 135 in harness "AG".

325-PK-14

Wire Gauge

Wire Color

Circuit Number Identification

Wire Number Identification Codes

Current Standard

Previous Standard

Electrical Schematic Example Hydraulic Schematic Example

325-PK

Wire ColorCircuit Number Identification

B A

Wire

Wire

(EXAMPLE VALVE)

Current Standard

Transducer(Fluid)

Transducer(Gas / Air)

G

Generator

Electrical WirePressure Switch

MElectric Motor

Pressure Switch (Adjustable)

Temperature Switch

PressureSymbol

TemperatureSymbol

LevelSymbol

FlowSymbol

Electrical Symbols (Electrical)

ONE POSITION TWO POSITION THREE POSITION

VENTED PRESSURIZED RETURN ABOVE FLUID LEVEL RETURN BELOW FLUID LEVEL

LINES CROSSING LINES JOINING

TWO-WAY THREE-WAY FOUR-WAY

SPRING CONTROL VALVES RESTRICTION LINE RESTRICTION(FIXED)

2-SECTION PUMP

MAIN AUX.

SPRING(ADJUSTABLE)

VARIABILITY LINE RESTRICTION(VARIABLE)

LINE RESTRICTIONVARIABLE and PRESSURE

COMPENSATED

PRESSURECOMPENSATION

PUMP: VARIABLE andPRESSURE COMPENSATED

ENERGY TRIANGLESHYDRAULIC PNEUMATIC

MEASUREMENT

PRESSURE TEMPERATURE FLOW

ROTATING SHAFTS

UNIDIRECTIONAL BIDIRECTIONAL

PUSH-PULL LEVER PEDALGENERAL MANUAL PUSH BUTTON SPRING

MANUAL CONTROL SYMBOLS

HYDRAULIC MOTORS

FIXEDDISPLACEMENT

VARIABLE DISPLACEMENTNON-COMPENSATED

UNIDIRECTIONAL

BIDIRECTIONAL

HYDRAULIC PUMPS

FLUID STORAGE RESERVOIRS

CROSSING AND JOINING LINES

VALVE ENVELOPES VALVE PORTS

BASIC COMPONENT SYMBOLS

FLUID CONDITIONERPUMP or MOTOR

FLUID POWER SYMBOLS

FIXEDDISPLACEMENT

VARIABLE DISPLACEMENTNON-COMPENSATED

UNIDIRECTIONAL

BIDIRECTIONAL

VALVES

PILOT CONTROL SYMBOLSRELEASED PRESSURE

EXTERNAL RETURN INTERNAL RETURN

REMOTE SUPPLY PRESSURE

SIMPLIFIED COMPLETE INTERNALSUPPLY PRESSURE

ACCUMULATORS

SPRING LOADED GAS CHARGED

SOLENOID or MANUAL

SOLENOID and PILOT

SOLENOID and PILOT or MANUAL

COMBINATION CONTROLS

SOLENOID SERVO THERMAL DETENT

HYDRAULIC AND PNEUMATIC CYLINDERS

DOUBLE ACTINGSINGLE ACTING

BASICSYMBOL

SPRINGLOADED

CHECK VALVES

TWOPOSITION

INFINITEPOSITIONING

FLOW IN ONEDIRECTION

FLOW ALLOWED INEITHER DIRECTION

THREEPOSITION

CROSSFLOW

PARALLELFLOW

INTERNAL PASSAGEWAYS

NORMAL POSITION

A B

P T

A B

P TSHIFTED POSITION INFINITE POSITION

CONTROL VALVES

ATTACHMENT

MANUAL SHUTOFF

SHUTTLE PILOTCONTROLLED

T

Hydraulic SystemCP/CS56:C5P1-UPFCP1-UPC5S1-UPFCS1-UP

CP/CS64:C7F1-UPP7F1-UPC6P1-UPC6S1-UP

CP/CS74:C8F1-UPP8F1-UPC8P1-UPC8S1-UP

Vibratory Compactor

KENR5940October 2007

CP/CS56, CP/CS64 and CP/CS74

©2007 CaterpillarAll Rights Reserved

Printed in U.S.A.

G2

MACHINE COMPONENT LOCATIONS

5 9

15

6 7

5

32

15

6

15

8

11109

1

10 11 7

21

21

20

20

9

1 12 13

8 1312

14 16

14 16

1

2316

ENGINE AR

FRAME AS.

MB2MB3 SOS

TAP LOCATIONS VARIOUS COMPONENTS

MA2

G3

MA3

CP

Description PartNumber

MachineLocation

SchematicLocation

Cylinder Gp - Hydraulic (Steering) NOTE A E-3, F-3

Motor Gp - Fan 268-8018 D-14

Filter Gp - Oil (Hydraulic) (Front) 180-3813 C-2(Rear)

23

Motor Gp - Piston (Axle Propel) 123-5260 B-4(Drum Propel) 123-5259 B-6

(Vibratory) Note B 136-8869(Vibratory) Note C 212-7030

F-6

Pump Gp - Gear (2-Section, Steering and Fan) 279-0480 D-1Pump Gp - Piston (Axle Propel) 270-3948 D-3

(Drum Propel) 270-3947 D-5(Vibratory, Fixed Frequency Vibratory Control) Note B 270-3949 D-6(Vibratory, Fixed Frequency Vibratory Control) Note C 270-3951

(Vibratory, Varibable Frequency Vibratory Control) Note B 270-3950 E-6(Vibratory, Varibable Frequency Vibratory Control) Note C 270-3952

Strainer - Suction (Hydraulic Tank) 250-2783 A-3Tank Gp - Hydraulic 264-4514 A-2Valve Gp - Bypass (Hydraulic Oil Cooler) 162-2453 B-5Valve Gp - Flow Control (HMU Steering) 295-6641 F-2Valve Gp - Shift Pressure 276-2609 C-4

Cylinder Gp - Hydraulic (Blade) NOTE A F-2Valve Gp - Control (Blade ) 211-1656 F-1

1

56

7

8910

11

1213141516

2021

Note A: Refer to Parts Manual for your specific machine.Note B: For CS/CP56 models.Note C: For CS/CP64 and CS/CP74 models.

Component Locations

Attachment - Blade Circuit

Tap LocationsPressure, Sampling, and Sensor

TapNumber Description Schematic

LocationBC1 Blade Cylinder Extend Pressure F-2BC2 Blade Cylinder Retract Pressure F-2CP Charge Pump Pressure D-1G2 Drum Propel Pump Charge Relief Valve Pressure C-5G3 Axle Propel Pump Charge Relieg Valve Pressure C-4

MA1 Vibratory Pump: Reverse Pressure D-5MA2 Drum Propel Pump : Reverse Pressure C-4MA3 Axle Propel Pump: Reverse Pressure C-3MB1 Vibratory Pump: Forward Pressure D-5MB2 Drum Propel Pump: Forward Pressure D-4MB3 Axle Propel pump: Forward Pressure D-3SOS Oil Sampling Port C-1

32

BC1 BC2

BC1 BC2

KE

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5940

16

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THIS SCHEMATIC IS FOR THE CP/CS56 , CP/CS64, AND CP/CS74 VIBRATORY COMPACTORMEDIA #: KENR5940-00PART #: 262-0881 CHG 02Components are shown installed on a fully operable machine with the key and engine off and transmission shifter in neutral.

LINE PATTERNS

Drain / Return Lines

Component Group

Pilot / Load Sensing PressurePressure Line

Attachment

Air Line

CALLOUTS

Taps (Pressure, Sampling,Sensor) by letter

Components by number

YY

52

Refer to the appropriate Service Manual for Troubleshooting, Specifications and Systems Operations

DRAIN / RETURN LINE

HYDRAULIC CIRCUIT COLOR DESCRIPTIONSSTEERING PUMP OUTPUT

VIBRATORY PUMP CONTROL CIRCUITSTEERING CIRCUITDRUM PROPEL CONTROL OUTPUT

VIBRATORY PUMP OUTPUTFAN PUMP OUTPUT

SUPPLY LINE

AXLE PROPEL CONTROL CIRCUIT

SHIFT CONTROLBLADE CYLINDER & CONTROL CIRCUIT

AXLE AND DRUM PUMP OUTPUT

MA3MA2

MB1MA1MB2

MB3

G3

G2

SOS

123456

123456

A

B

C

D

E

F F

E

D

C

B

A

CP

BC2

BC1

Fa Fe

T2

B

A

PPS

X1 X2 G

T1

MH S

PASSAGEPLUGGED

R

T2

PS

X1 X2

T1R

AXLE PUMP

BLADECYLINDER

DRUM PUMP

T1

PS

X1 X2 G

T2 A BR A B

A

B

G

AXLEBRAKES

AXLEMOTOR

VIBMOTOR

A

B

THERMAL BYPASSRETURN MANIFOLD

OILCOOLER

DRUMMOTOR

A

B

DRUMBRAKE

B G T

A X

R

TC

SHIFTVALVE

HYD TANK

X

T

T

EPCONTROL

A B

VIBCONTROL

PASSAGEPLUGGED

Fa

G S

P Fe

MH

EZCONTROL

HWCONTROL

HWCONTROL

P

RL

T

DIESELENGINE

2300 RPMHIGH IDLE,2200 RPM

RATED

STEERFAN

ENGINETIMING CASEDRIVE

FRONTCHARGEFILTER

REARCHARGEFILTER

FAN MOTOR

OPTIONALBLADE VALVE

SEEDETAIL

268-8018

STEERING HMUSTEER CYLINDERS

SUCTIONSTRAINER

CASEDRAIN

TOCHARGEFILTER

FROM FAN MOTOR

HYDRAULIC TANK

279-0480

180-3813180-3813

264-4514

295-6641

BLADE VALVE211-1656

162-2453

270-3947

270-3948

123-5259

276-2609

123-5260

136-8869 CS/CP56212-7030 CS/CP64 CS/CP74

270-3950 CS/CP56270-3952 CS/CP64 CS/CP74

270-3949 CS/CP56270-3951 CS/CP64 CS/CP74

286-9045

250-2783

1

2

6

5

7

8

15

9

10

11

12

13

14

16

VIBRATORY PUMPVARIABLE FREQUENCY VIB CONTROL

VIBRATORY PUMPFIXED FREQUENCY VIB CONTROL

VIBCONTROL

PT

BLADE CIRCUIT DETAIL

BP

T

A

T2R

20

21

4

3