INTERACTIVE SCHEMATIC

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Electrical Symbols

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Bookmarks X

EC-C3EC-C2 E-C60

EC-C1

E-C61

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Hydraulic SystemTractorsD3G, D4G, and D5G HYSTAT Track-Type

D3G:JMH1-UPBYR1-UP

D4G:HYD1-UPTLX1-UP

D5G:WGB1-UPRKG1-UP

2003 Caterpillar, All Rights Reserved Printed in U.S.A.

RENR7316-01September 2003

COMPONENT LOCATION

Description PartNumberMachineLocation

SchematicLocation

Valve - Breaker Relief Tank Breather 4T-4145 1 F-5Switch As - Pressure (Parking Brake) 201-4159 2 F-5Motor Gp - Piston (Left) (D3g) 214-6343 F-4Motor Gp - Piston (Left) (D4g And D5g) 169-1803 F-4Valve And Mtg Gp - Solenoid (Brake, Override) 200-6492 4 F-3Lines Gp - Pressure Test - Remote Mounted (D3g) 174-5987 F-3Lines Gp - Pressure Test - Remote Mounted (D4g And D5g) 221-9805 F-3Tank Gp - Hydraulic 194-3098 6 F-5Winch Ar 179-9513 7 E-7Valve Gp - (Winch) Brake And Freespool 200-1309 8 E-7Valve Gp - Pilot 180-7339 9 E-6Screen - Suction (Hydraulic Tank) 322-9703 10 E-5Cylinder Gp - Angle (Left) 259-0459 11 E-1Valve Gp - Shuttle 8J-6875 12 E-6Valve - Ball (Winch) 8T-6907 13 E-6Block - (Return Manifold) 179-6053 14 E-5Block - (Suction Manifold) 177-3572 15 E-4Cylinder Gp - Tilt 183-8459 16 E-1Cylinder Gp - Bulldozer Lift (Left) 183-3721 17 E-1Radiator And Hyd Oil Cooler Gp 317-4354 18 D-2Cylinder Gp - Bulldozer Lift (Right) 183-3721 19 D-2Pump Gp - Gear 137-1296 20 D-2Pump Gp - Double Piston (D4g And D5g) Without Thru Drive 214-3243 D-3Pump Gp - Double Piston (D4g And D5g) With Thru Drive 215-9302 D-3Pump Gp - Double Piston (D3g) Without Thru Drive 236-4666 D-3Pump Gp - Double Piston (D3g) With Thru Drive 236-4667 D-3Motor Gp - Piston 200-1729 22 D-8Valve Gp - Flow Control 200-1311 23 D-7Filter Gp - Oil 201-2744 24 D-5Pump Gp - Piston Slipper 178-4415 25 D-4Filter Gp - Oil (Right Drive Loop) 196-1803 26 D-4Filter Gp - Oil (Left Loop/transmission) 212-9363 27 D-3Cylinder Gp - Angle (Right) 259-0459 28 D-2Cylinder Gp - Ripper (Lh) 192-0893 C-7Cylinder Gp - Ripper (Rh) 192-0891 C-7Motor Gp - Piston (Right) (D3g) 214-6343 C-4Motor Gp - Piston (Right) (D4g And D5g) 169-1803 C-4Valve Gp - Relief 185-7709 31 C-3Valve Gp - Check (Blade Lift Makeup) 9T-7634 32 C-3Valve Gp - Check (Blade Lift Makeup) 9T-7634 33 C-3Valve Gp - Bank 3 (Blade Lift, Tilt, Angle) 216-1633 C-2Valve Gp - Bank 4 216-1634 C-2Valve Gp - Bank 3 (For Grade Control M/c) 243-3165 C-2Valve As - Manifold 4Y-3876 35 C-3Valve Gp - Relief (Main) 199-3478 36 C-2Valve Gp - Control (Auxiliary) 199-3477 37 C-3Valve Gp - Control (Angle, Tilt) 9T-7642 38 C-3Valve Gp - Control (Lift) 199-3476 39 C-3Valve Gp - Check (Blade Lift Makeup) 9T-7642 40 C-2Manifold (Inlet/outlet) 199-3475 41 C-2Block Gp - Oil Cooler Bypass/motor Bearing Bypass 175-5473 42 E-2Valve Gp - Bank 2 (Blade Tilt) 225-9595 43 B-7Valve Gp - Bank 2 (Blade Lift) 225-9595 44 B-7Valve Gp - Counterbalance (Grade Control) 225-9596 45 B-5

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3

5

21

29

30

FLUID POWER SYMBOLS

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

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

SOLENOIDor MANUAL

SOLENOIDand 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

ELECTRICAL SYMBOLSHydraulic Symbols (Electrical)

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)

T

12345678

A

B

C

D

E

F

12345678

A

B

C

D

E

F

LINE PATTERNS

Drain / Return Lines

Pilot / Load Sensing Pressure

Pressure Line

CALLOUTS

(52) VALVE GP - CONTROL138-1234

Callout Number(Machine Location from

Component LocationsTable)

ComponentName

Part Number

200-1729

185-7709

192-0893

192-0891

225-9595225-9595

200-1311

179-6053

322-9703

4T-4145

(D4G AND D5G) 169-1803(D3G) 214-6343

178-4415

(D4G AND D5G) 169-1803(D3G) 214-6343

(D4G AND D5G)WITHOUT DRIVE: 214-3243

WITH DRIVE: 215-9302

WITH DRIVE: 236-4667

(D3G)WITHOUT DRIVE: 236-4666

200-6492

(D3G) 174-5987 (D4G AND D5G) 221-9805

175-5473

317-4354

199-3475

183-3721

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

SCHEMATIC PART NUMBER: 213-6413, VERSION: -MEDIA NUMBER: RENR7316-01

THIS SCHEMATIC IS FOR THE D3G, D4G, AND D5G HYSTAT TRACK-TYPETRACTORS HYDRAULIC SYSTEM

4 3 2T

P

(4)

(P)

(2)

(Y)

(DA)

BRAKE

F/S(FS)(B)

U X T MI

B

A

GT

1

(P0RT 8)(PORT 7)(PORT 5)(PORT 3)(PORT 1)(PORT 4)(PORT 2)

(PORT 6)(PORT 9)(PORT 10)

AA

M

T

B B

LS

P

200-1309

179-9513180-7339

8T-6907

8J-6875

225-9596

178-4415

194-3098

201-4159

177-3572

196-1803

4Y-3876

199-3477

9T-7634

9T-7634

9T-7642

212-9363

183-3721137-1296

259-0459

216-1633BANK 4: 216-1634BANK 3(FOR GRADE CTRL M/C):243-3165199-3478

9T-7642

199-3476

183-8459

259-0459

(31) VALVE GPRELIEF

(29) CYLINDER GPRIPPER (LH)

(29) CYLINDER GPRIPPER (RH)

(43) VALVE GPBANK 2 (BLADE TILT)

(44) VALVE GPBANK 2 (BLADE LIFT)

(23) VALVE GPFLOW CONTROL

(9) VALVE GPPILOT

(14) BLOCK(RETURN MANIFOLD)

(10) SCREENSUCTION

(HYDRAULIC TANK)

(6) TANK GPHYDRAULIC

(1) VALVE BREAKER RELIEFTANK BREATHER

(3) MOTOR GP-PISTON (LEFT)

(25) PUMP GPPISTON SLIPPER

(21) PUMP GPDOUBLE PISTON

(4) VALVE AND MTG GPSOLENOID (BRAKE, OVERRIDE)

(5) LINES GPPRESSURE TEST

REMOTE MOUNTED

(42) BLOCK GPOIL COOLER BYPASS/MOTOR BEARING BYPASS

(18) COOLER GPRADIATOR ANDHYD OIL

(41) MANIFOLD(INLET/OUTLET)

(17) CYLINDER GPBULLDOZER LIFT (LEFT)

(16) CYLINDER GPTILT

(11) CYLINDER GPANGLE (LEFT)(8) VALVE GP (WINCH)

BRAKE AND FREESPOOL(7) WINCH AR

(13) VALVEBALL (WINCH)

(12) VALVE GPSHUTTLE

(45) VALVE GPCOUNTERBALANCE(GRADE CONTROL)

(24) PUMP GPPISTON SLIPPER

(2) SWITCH ASPRESSURE

(PARKING BRAKE)

(15) BLOCK(SUCTION MANIFOLD)

(26) FILTER GPOIL (RIGHT DRIVE LOOP)

(30) MOTOR GP-PISTON (RIGHT)

(35) VALVE ASMANIFOLD

(37) VALVE GPCONTROL

(AUXILIARY)

(33) VALVE GPCHECK

(BLADE LIFTMAKEUP)

(32) VALVE GPCHECK

(BLADE LIFT MAKEUP)

(38) VALVE GPCONTROL (ANGLE, TILT)

(27) FILTER GP OIL(LEFT LOOP/

TRANSMISSION)

(19) CYLINDER GPBULLDOZER LIFT

(RIGHT)(20) PUMP GPGEAR

(28) CYLINDER GPANGLE (RIGHT)

(34) VALVE GPBANK 3(BLADE LIFT, TILT, ANGLE):

(36) VALVE GPRELIEF (MAIN)

(40) VALVE GPCHECK(BLADE LIFT MAKEUP)

(39) VALVE GPCONTROL (LIFT)

(22) MOTOR GPPISTON

MACHINE COMPONENT LOCATIONS

45

45

4443

42

41

40

39

38

3736

353433323130

29

28

2726 25

24

23

22

21

20

1918

17

16

15

14

13

12

11

10

9

8

7

6

5

4

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FeaturesCover PageInformationComponent LocationFluid Power SymbolsElectrical Symbols

SchematicMachine ViewsMachine Component Locations

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f_05_grid:

f_04_grid:

f_03_grid:

e_07_grid:

e_06_grid:

e_05_grid:

e_01_grid:

e_04_grid: d_02_grid:

d_03_grid:

d_08_grid: d_07_grid: d_05_grid: d_04_grid:

c_07_grid:

c_04_grid:

c_03_grid:

c_02_grid:

e_02_grid: b_07_grid:

b_05_grid: 036_c_02_grid_v01: 035_c_03_grid_v01: 034_c_02_grid_v01: 033_c_03_grid_v01: 032_c_03_grid_v01: 031_c_03_grid_v01: 030_c_04_grid_v01: 029_c_07_grid_v01: 028_d_02_grid_v01: 027_d_03_grid_v01: 045_b_05_grid_v01:

044_b_07_grid_v01: 043_b_07_grid_v01: 042_e_02_grid_v01: 041_c_02_grid_v01: 040_c_02_grid_v01: 039_c_03_grid_v01: 038_c_03_grid_v01: 037_c_03_grid_v01: 026_d_04_grid_v01: 025_d_04_grid_v01: 024_d_05_grid_v01: 023_d_07_grid_v01: 022_d_08_grid_v01: 021_d_03_grid_v01: 020_d_02_grid_v01: 019_d_02_grid_v01: 018_d_02_grid_v01: 017_e_01_grid_v01: 016_e_01_grid_v01: 015_e_04_grid_v01: 014_e_05_grid_v01: 013_e_06_grid_v01: 012_e_06_grid_v01: 011_e_01_grid_v01: 010_e_05_grid_v01: 009_e_06_grid_v01: 008_e_07_grid_v01: 007_e_07_grid_v01: 006_f_05_grid_v01: 005_f_03_grid_v01: 004_f_03_grid_v01: 003_f_04_grid_v01: 002_f_05_grid_v01: 001_f_05_grid_v01: restore_callouts: