Sistema Electrico D6N

8/12/2019 Sistema Electrico D6N

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INTERACTIVE SCHEMATIC

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Information

Schematic

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Tap Table

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Electrical Symbols

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Bookmarks X

EC-C3

EC-C2 E-C60

EC-C1

E-C61

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2012 Caterpillar, All Rights Reserved Printed in U.S.A

RENR8186-0August 201

D6N Track-type TractorHydraulic System

Differential Steering - Pilot Operated Hydraulics and AccuGrade

CCK1-UP

AKM1-UPCBL1-UP

ALY1-UPCCS1-UP


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COMPONENT LOCATION

Check Part Numbers in the Parts Manuals for your Specific Machine.

Note A: Used on Std 'P' Dozer Note E: Used on Std Dozer

Note F: Inlet Manifold with Change Valve

Note G: Ports Blocked when using 'SU' Blade

Note H: Used on all Dozers with 'SU Blade or Ripper

Note B: Used on 'SU' Dozer

Note C: When using 'SU' Blade

Note D: Used on all Dozers with Ripper

Description Part

Number

Machine

Location

Schematic

Location

Accumulator Gp 200-0750 32 D-7

Core As - Oil Cooler 274-5095 23 A-5

Cover - End 240-9086 7 F-6

Cylinder Gp - Angle Note A 321-7048 11 E-1

Cylinder Gp - LiftNote A

Note B

110-3269

275-84169 E-1

Cylinder Gp - Lift (Ripper) 277-0842 12 E-7

Cylinder Gp - TiltNote A

Note B

160-0054

233-913410 F-1

Element As - Implement Return Filter 1R-0777 14 D-3

Filter Gp - Case Drain 169-4019 15 D-2

Filter Gp - Charge Circuit 110-4664 25 B-4

Motor Gp - Steering 191-9536 22 B-7

Plug As Note G 148-8409 19 E-6

Pump Gp - Implement 195-9097 16 E-3

Pump Gp - Steering 257-8470 21 B-5

Screen 6E-5066 31 D-7

Tank Gp - Hydraulic 230-9131 13 D-3

Valve Gp - Angle (Dozer) Note E 238-4825 5 E-6

Valve Gp - Tilt (Dozer) Note E 246-4214 4 E-6

Valve Gp - Check 1U-2744 8 F-6, D-6

Valve Gp - Cold Start Relief 198-9219 27 B-6

Valve Gp - Cooler Bypass 126-0747 24 A-5

Valve Gp - Counterbalance Lift 237-3925 35 D-5

Valve Gp - Lift (Dozer)Note A

Note H

246-4211

246-42123 D-6

Valve Gp - Make-Up with Line Relief 6E-0772 17 E-6

Valve Gp - Make-Up with Line Relief Note H 132-5303 18 D-6

Valve Gp - Manifold As Note F 9T-6695 2 D-6

Valve Gp - Mounting & (EH Valves) 250-5788 33 C-4

Valve Gp - Pilot (Dozer) 235-0889 28 C-5

Valve Gp - Pilot (Ripper) 230-9136 29 C-7

Valve Gp - Resolver (Shuttle) 248-6162 20 D-4

Valve Gp - Ripper Lift (Control) 247-1745 6 F-6

Valve Gp - Shuttle 231-5213 34 C-5, D-6

Valve Gp - Steering Pilot 9T-8693 26 B-4

Valve Gp Bank 3

Valve Gp Bank 4

Note A

Note D

246-4206

246-42081 D-6

Valve GP-Pressure Reducing 162-0162 30 D-7

Test - Instruction 247-0560

Misc Ref


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TAP LOCATION

Tap

Number Description

Schematic

Location

A

Implement Pump Load Sensing Signal

Pressure Tap - at Valve

Implement Pump Discharge Pressure Tap- at Valve

C-1

B C-1

E Charge Pump Relief

D-1

F Charge Pump Discharge B-5, D-1

G Case Return - Steering Pump B-4, D-1

K Upstream Filter B-4

MA

Right Steering Loop Pressure

- at Pump

B-5, D-1

X1 Right Steering Actuator B-5

X2 Left Steering Actuator B-5

Y1

Right Steering Pilot Pressure Tap

B-4, D-1

Y2

Left Steering Pilot Pressure Tap

B-4, D-1

MB

Left Steering Loop Pressure

- at Pump

B-5, D-1

SOSImplement Pump Discharge Press &

Hydraulic Oil Sample Port CombinationF-5

CImplement Pump Case Drain Filter

- Inlet Pressure Tap

Pilot Supply Pressure Tap

E-3

D

B-5, D-1


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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

PRESSURE

COMPENSATION

PUMP: VARIABLE and

PRESSURE COMPENSATED

ENERGY TRIANGLES

HYDRAULIC PNEUMATIC

MEASUREMENT

PRESSURE TEMPERATURE FLOW

ROTATING SHAFTS

UNIDIRECTIONAL BIDIRECTIONAL

PUSH-PULL LEVER PEDALGENERAL MANUAL PUSH BUTTON SPRING

MANUAL CONTROL SYMBOLS

HYDRAULIC MOTORS

FIXED

DISPLACEMENT

VARIABLE DISPLACEMENT

NON-COMPENSATED

UNIDIRECTIONAL

BIDIRECTIONAL

HYDRAULIC PUMPS

FLUID STORAGE RESERVOIRS

CROSSING AND JOINING LINES

VALVE ENVELOPES VALVE PORTS

BASIC COMPONENT SYMBOLS

FLUID CONDITIONERPUMP or MOTOR

FIXED

DISPLACEMENT

VARIABLE DISPLACEMENT

NON-COMPENSATED

UNIDIRECTIONAL

BIDIRECTIONAL

VALVES

PILOT CONTROL SYMBOLSRELEASED PRESSURE

EXTERNAL RETURN INTERNAL RETURN

REMOTE SUPPLY PRESSURE

SIMPLIFIED COMPLETE INTERNAL

SUPPLY PRESSU

ACCUMULATORS

SPRING LOADED GAS CHARGED

SOLENOIDor MANUAL

SOLENOIDand PILOT

SOLENOID andPILOT or MANUAL

COMBINATION CONTROLS

SOLENOID SERVO THERMAL DETENT

HYDRAULIC AND PNEUMATIC CYLINDERS

DOUBLE ACTINGSINGLE ACTING

BASIC

SYMBOL

SPRING

LOADED

CHECK VALVES

TWO

POSITION

INFINITE

POSITIONING

FLOW IN ONEDIRECTION

FLOW ALLEITHER DIR

THREE

POSITION

CROSSFLOW

PARALLEL

FLOW

INTERNAL PASSAGEWAYS

NORMAL POSITION

A B

P T

A B

P T

SHIFTED POSITION INFINITE POSITION

CONTROL VALVES

ATTACHMENT

MANUAL SHUTOFF

SHUTTLE PILOT

CONTROLLE


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ELECTRICAL SYMBOLS

Hydraulic 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


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Components are shown installed on a fully operable machine with the key and engine off, transmission shifterin neutraland with parking brake set.

Refer to the appropriate Service Manualfor Troublesho oting, Specifications and Systems Operations.

SCHEMATIC PART NUMBER: 246-5101, CHANGE: 08, VERSION: -

MEDIA NUMBER: RENR8186-03

THIS SCHEMATIC IS FOR THE D6N D/S TRACK-TYPE TRACTOR HYDRAULIC SYSTE

A

B

C

D

E

F

1234567

1234567

HYDRAULIC CIRCUIT COLOR DESCRIPTIONS

ImplementPumpOutput

PilotCicuit

SupplyLine

Drain/ ReturnLine

LowerBoostSignal/LiftCylinderControlCircuit

TiltCylinderControlCircuit

LoadSensingCircuit

RipperCylinderControlCircuit

AngleCylinderControlCircuit

LINE PATTERNS

Drain / Return Lines

Component Group

Pilot / Load Sensing Pressure

Pressure Line

Attachment

Air Line

CALLOUTS

ARROW PATTERNS

Taps (Pressure, Sampling, Sensor) by letter

AccuGrade Options

YY

SteeringPumpandMotor Circuit

SteeringPilotPumpCircuit

MODELS T855 AND T857 ONLY

FOR E/H CONTROL CIRCUITAND ACCUGRADE

C

RIPPER

LIFT

ANGLE

TILT

ANGLE

LIFT

RAISEB

LOWERA

RIGHT B

LEFT A

RAISEB

LOWERA

RIGHT B

LEFT A

CASEDRAINRETURNFROM STRPUMP

STRPILOT VALVERETURNTO TANK

SUCTIONLINETO CHARGEPUMP

LOWERBOOST SIGNAL

T P

LS

ENDCOVER

RIPPER

ANGLE

DOZ TILT

DOZ LIFT

INLET

BAFFLE

1 LIFT 2 3 TILT 4

ELEC. DET.

1 T S 2 3 T S 4

1 RIPPER 2

1 T S 2

TO ANGLEVALVEE/HSOLENOID

VALVES

JOYSTICKTHUMB ECMSWITCH

SUCTIONLINETO CHARGEPUMP

STRPILOT VALVE

RETURNTO TANKCASEDRAINRETURNFROM STRPUMP

(12) CYLINDER GP

RIPPER LIFT277-0842

(7) COVER END

240-9086

(8) VALVE GP

CHECKIU-2744

NOTEG: PORTSBLOCKEDWHEN USING 'SU' BLADEONLY

NOTEH: USEDONALL DOZERSWITH 'SU' BLADEORR IPPER

NOTED: USEDONALL DOZERS WITHRIPPER

NOTEE: USEDON STDDOZER

NOTEF: INLET MANIFOLDWITH CHANGEVALVE

NOTEA: USEDONSTD'P' DOZER

NOTEB: USEDON'SU' DOZER

NOTEC: WHENUSING 'SU' BLADE

F

MB

E

MA X2 X1

G

K

Y1 Y2

SOS

XYZ

X

Y

Z

(5) VALVE GP

CONTROL DOZERANGLE

NOTE E238-4825

C4C3C2C1

C4 C3

C2C1

(6) VALVE GPRIPPER LIFT

247-1745

(17) VALVE GP

MAKE-UPWITH

LINE RELIEF6E-0772

(17) VALVE GP

MAKE-UPWITH LINE

RELIEF6E-0772

(19) PLUG ASNOTE G

148-8409

(4) VALVE GP

DOZER TILT

NOTE E246-4214

(18) VALVE GPMAKE-UP WITH

LINE RELIEFNOTE H

132-5303

(3) VALVE GP

DOZER LIFT STDNOTE A

246-4211NOTE H

246-4212

(2) VALVE GP

MANIFOLD ASNOTE F

9T-6695(1) VALVE GP

BANK 3NOTE A

246-4206NOTE D

BANK 4246-4208

(32) ACCUMULATOR GP

200-0750

(30) VALVE GPPRESSURE

REDUCING

162-0162

(31) SCREEN6E-5066

(10) CYLINDER GP

TILTNOTE A

160-0054NOTE B

233-9134

(9) CYLINDER GLIFT

NOTE A110-3269

NOTE B275-8416

(11) CYLINDER GP

ANGLENOTE A

321-7048

(9) CYLINDER G

LIFTNOTE A

110-3269NOTE B

275-8416

(29) VALVE GP

PILOT (RIPPER)230-9136

(28) VALVE GPPILOT (RIPPER)

235-0889

(16) PUMP GP

IMPLEMENT195-9097

(20) VALVE GP

RESOLVER248-6162

(8) VALVE GPCHECK

1U-2744

(15) FILTER GPCASE DRAIN

169-4019

(13) TANK GP230-9131

(14) ELEMENT AS

IMP RETURNFILTER

1R-0777

(34) VALVE GP

SHUTTLE

231-5213

(34) VALVE GPSHUTTLE

231-5213

(34) VALVE GP

SHUTTLE

231-5213

(34) VALVE GP

SHUTTLE231-5213

(35) VALVE GP

COUNTERBALANCE237-3925

(33) VALVE GPMOUNTING & (EH VALVES)

250-5788

(22) MOTOR GP

STEERING

191-9536

(27) VALVE GPCOLD START

RELIEF198-9219

(23) CORE AS

OIL COOLER274-5095

(24) VALVE GP

COOLER BYPASS

126-0747

(21) PUMP GP

STEERING257-8470

(25) FILTER GP

CHARGE CIRCUIT110-4664

(26) VALVE GPSTEERING

PILOT9T-8693

IMPLEMENT/DIAGNOSTICHYDRAULICSREMOTETAPS

Y2

Y1

MB

MA

G

F

E

D

B

A


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9/14

CHARGE CIRCUIT FILTER / HYDRAULIC

TANK AND FILTER

14


10/14

HYDRAULIC LINES - STEERING

X2X1

K

25

25

24

2322

21

VIEW ALL CALLO


11/14

HYDRAULIC REMOTE TAPS

Y2Y1 MB MA

GFED

BA

15

VIEW ALL CALLO


12/14

IMPLEMENT PUMP PORT LOCATIONS

CASE DRAIN PORT (L1)

LOAD SENSE PORT (X)CASE DRAIN PORT (L)

PRESSURE PORT (B)

SUCTION PORT (


13/14

IMPLEMENT PUMP

REMOTE HYDRAULICTAPS - IMPLEMENT

C

C

B

35

16

16

VIEW ALL CALLO


14/14

STEERING MOTOR AND STEERING PILOT VALVE

26

22

VIEW ALL CALLO

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Sistema Electrico D6N