diagrama hidraulico de power train d8t interactivo

8/11/2019 Diagrama Hidraulico de Power Train d8t Interactivo

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INTERACTIVE SCHEMATIC

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Cover Page

Information

Schematic

Machine Views

Component Table

Tap Table

Fluid Power Symbols

Electrical Symbols

Front Frame

Rear Frame

Tap Views

Features

Options

Bookmarks X

EC-C3

EC-C2 E-C60

EC-C1

E-C61

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2005 Caterpillar, All Rights Reserved Printed in U.S.A

RENR7525-0August 200

D8T Track-Type Tractor

Power Train System

KPZ1-UP

J8B1-UP


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COMPONENT LOCATION

Description Part

Number

Machine

Location

Schematic

Location

PTO Pump (3 Section) 206-8703 1 C-5

PTO Filters / Priorityvalve Gp. 208-3015 2 A-4

Electronic Brake Control Valve 209-9360 3 E-6

Lube Dist. / Tc Inlet Relief Manifold 208-3023 4 E-5

Breather 185-6684 5 N/A

Torque Converter Outlet Relief Valve 208-3019 6 C-3

Oil Cooler 208-2352 7 B-1

Pump Inlet Screen / Housing Gp. 211-4323 8 C-5

Transmission Ar. 209-5636 9 E-6

Left Drive / Brake Gp. 211-2728 10 F-7Right Drive / Brake Gp. 211-2727 11 B-7

Torque Converter / Housing Gp. 207-5300 12 C-2

Dipstick 214-0628 13 N/A

Oil Fill Tube 9-1686 14 N/A


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TAP LOCATION

Tap

Number Description

Schematic

Location

B Brake Pressure E-6P Trans. Main Relief C-8

PV Priority Valve Pressure B-4

M T/c Supply Pressure D-3

N T/c Outlet Pressure D-3

L2 Flywheel Lube Pressure E-2

L1 Trans. Lube Pressure C-8

LB1 L Brake Lube Pressure F-6

LB2 R Brake Lube Pressure B-6

CL1 Trans. Clutch 1 Pressure C-7

CL2 Trans. Clutch 2 Pressure C-7

CL3 Trans. Clutch 3 Pressure D-7



AA Oil Sampling Port (Sos) B-4

BB Trans Filter Inlet Pressure A-4


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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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12345678

12345678

A

B

C

D

E

F

HYDRAULICCIRCUITCOLORDESCRIPTIONS

Brakes.

SupplyLine.

Drain/Return Line.

TransmissionandTorqueconverterScavengePump

LubricationandPowertrainOilCooler

TransmissionChargePump.

TorqueconverterChargePump

PinPullerAttachement

PROPORTIONALVALVE

THIS POWERTRAIN SCHEMATIC IS FOR THE D8T TRACK-TYPE TRACTOR

PART #: 223-2439 CHG 01

Components areshowninstalledona fully operablemachinewiththekey andengine

off andtransmissionshifterinneutral.

LINE PATTERNS

Drain/ ReturnLines

Component Group

Pilot / LoadSensingPressure

PressureLine

Attachment

AirLine

CALLOUTS

Taps (Pressure, Sampling,Sensor)by letterYY

FLYWHEELHOUSING

TORQUECONVERTER

(1) PTO PUMP

(3 SECTION)206-8703

LB1

BRAKELUBE

BRAKE LUBE

LB2

A B C

IMPLEMENT

PUMP

STEERING

PUMP

3RD 1ST2ND

EB BRAKE VALVE

BYPASS

TRANSMISSION

CONTROLVALVE

XMSNLUBE

FWD

VENTLINE

SUCTION SCREEN

MAINRELIEF

(3) ELECTRONIC BRAKE

CONTROL VALVE209-9360

ENGINE

SCREEN

C15

310NETHP

AT1850 RPM

TCOUTTEMPSENSOR-ECM

POWERTRAIN

OILCOOLER

CHECK VALVE

PRIORITY

VALVE

PV DRAINLINEDRAINS TO CASE

VIAFILLTUBE

(2) PTO FILTER /

PRIORITY VALVEGROUP

208-3015

M

L2

CL2

CL4

(4) LUBE DIST. MANIFOLD /

TC INLET RELIEF

208-3023

LOW

HIGH

PTO SUMPTEMP-ECM

(6) TORQUE CONVERTER

OUTLET RELIEF VALVE208-3019

PV

PROPORTIONALVALVE

PROPORTIONALVALVE

PROPORTIONALVALVE

PROPORTIONALVALVE

PROPORTIONALVALVE

BYPASS

BRAKEPRES

TAP

TRANS. MAIN

PRES. RELIEF TAP

P

L1

P T

C1 C2

S2S1

PINPULLERVALVE GP.

TRANSMISSIONSUMP

PINPULLERATTACHMENT

TRANSMISSION

DRIVESHAFT

CL3 CL5

P

B

ECPCXMSN

CLUTCHVALVES

REV

CL1

TRANS. LUBE

PRES. TAP

L1

CLUTCH/BRAKES

CLUTCH/BRAKES

N

SCAV T/C TRANS

BYPASS

SWITCH

TORQUE

CONVERTERCHARGE FILTER

TRANSMISSION

CHARGE FILTER

RIGHT BRAKE

PRESSURE PORT

LEFT BRAKEPRESSURE PORT

AA

BB

(10) LEFT DRIVEBRAKE GROUP

211-2728(9) TRANSMISSION ARRANGEMENT

209-5636

(8) PUMP INLET SCREEN

HOUSING GROUP211-4323

(11) RIGHT DRIVEBRAKE GROUP

211-2727

(7) OIL COOLER208-2352

(12) TORQUE CONVERTER

HOUSING GROUP

207-5300


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MACHINE COMPONENT LOCATIONS 1

LB1 12 121110 9 8 764

3 2

1

VIEW ALL CALL


9/14

MACHINE COMPONENT LOCATIONS 2

Shown in the illustration above are the two, 6-micron power train oil filters and the priority

valve. They are located inside the forward compartment on the right fender

Removing the triangular deck cover (two bolts) just outside the

right door to the operator compartment gains access to thefollowing remote pressure test ports:

(L2) flywheel lube pressure(N) torque converter oulet relief pressure(M) torque converter inlet relief pressure

(14) oil fill tube(13) dipstick(5) power train breather

Located in the forward compartment on the right fender, and justahead of the hydraulic oil tank is the;

Lines Group - Powertrain Oil

FWD

POWERTRAIN OILTEMP SENSOR

PRIORITY VALVEDRAIN LINE

PRIORITY VALVESOLENOID

TRANSMISSIONFILTER INLET

TRANSMISSIONFILTER OUTLET

TRANSMISSIONFILTER OUTLETPRESSURE PORT(PLUG)

PTO Filter and Priority Valve Group

HYDRAULIC TANK

Powertrain OilGear Pump

Gear PumpInlet Screen

TRANSMISSION

CHARGE FILTER

TORQUECONVERTERCHARGE FILTER

The lube distribution manifold inlet is the upper port on the dual purpose

manifold body, located at the left, front of the main case. The lower port

is the outlet from the torque converter inlet relief valve.

Lube Distribution

Manifold Inlet

Outlet from the

Torque Converter

nlet Relief Valve

Priority Valve Group Components

TORQUE CONVERTERFILTER INLET

POWERTRAIN OILFILL TUBE

POWERTRAIN OILDIPSTICK

TORQUE CONVERTERFILTER OUTLET

POWERTRAIN OILBREATHER

CASE

Lube dismanifold

Outlet from thetorque converterinlet relief valve

PVBB AA

L2

L2

M

M

N

N

14

13

5

VIEW ALL CALL


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BRAKES

Brake pressure for the right brake may be tested by removing the plugand installing a test tap. Brake lube pressure (LB2) may be tested in a likemanner at the forward port. The test ports on the left side of the machineare reversed, for left brake pressure and left brake lube pressure (LB1).

Right BrakePressure Port Plug

LB2


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FRONT OF THE MAIN CASE

Torque converter relief valve and lubdistribution manifo

Electronic brake control valveSump suction

manifold screen

Three section

power train oil

pump


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POWERTRAIN OIL COOLER

Cooler Inlet

Cooler Outlet

Oil Cooler

The power train oil cooler is an oil-to-water type oil cooler and is

located at the right rear of the engine compartment.


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diagrama hidraulico de power train d8t interactivo

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