Manual del Estudiante - D7R 2.PDF

7/24/2019 Manual del Estudiante - D7R 2.PDF

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D

D7

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2001 Caterpillar Inc.


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LGP

UNDERCARRIAGE

ARRANGEMENT

STANDARD

UNDERCARRIAGE

ARRANGEMENT

XR UNDERCARRIAGE

ARRANGEMENT UNDERCARRIAARRANGEMEN

D7R SERIES II


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FUEL GALLERY

EUI

EJECTORS

DISTRIBUTION

BLOCK

TEMPERATURESENSOR

PRESSURE

REGULATOR

SECONDARY

FILTER(2 MICRON)

ENGINE ECM

TANK

TRANSFER PUMP

RELIEF

VALVE

PRIMARY

FILTER

WATER

SEPARATOR

PRIMING PUMP

CHECK VALVES

PRIMING

PUMP


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TILLER LEVER

QUICK-DROP VALVE

HYDRAULIC OIL COOLER

COOLER BYPASS VALVESTEERING ANDIMPLEMENT PUMP

STEERING MOTOR

BRAKE AND DIFFERENTIAL STEER MODULE

TRANSMISSION BRAKE VALVE

TORQUE DIVIDER

POWER TRAIN PUMPS

PRIORITY VALVE

TRANSMISSION FILTER

HYDRAULIC TANK

ACCUMULATOR ANDPRESSURE REDUCING VAL

IMPLEMENT CONTROL VAL

CASE DRAIN FILTER

HYDRAULIC FILTER

D7R SERIES II TRACK-TYPE TRACTORCOMPONENT IDENTIFICATION (DIFFERENTIAL STEER)


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TORQUE DIVIDER


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SUN GEAR

HOUSING

IMPELLER

TURBINE

OUTLET

PASSAGE

OUTPUT SHAFT

STATOR

PLANET CARRIER

PLANET GEARS

ENGINE FLYWHEEL

INLET

PASSAGE

RING GEAR

Q


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D7R SERIES II


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TEST PORT

FROM

PUMP

BALL

VALVE

SPOOL SPRINGORIFICE

SOLENOID PIN

TOCLUTCH

S STRANSMISSION MODULATING VALVE

POWER SHIFT TRANSMISSION


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INPUT SHAFT

OUTPUT SHAFT

OUTPUTSUN GEARS

RING GEARS

INPUT SUNGEARS

PLANETARYCARRIER

RINGGEARS

1 2 3 4 5


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PRIORITY VALVE


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TO TORQUE CONVERTER

SUPPLY

SOLENOIDVALVE

PRIORITY

VALVE

LOW PRESSURE

PRIORITY VALVE


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TO TORQUE CONVERTER

SUPPLY

SOLENOIDVALVE

PRIORITY

VALVE

HIGH PRESSURE

POWER TRAIN HYDRAULIC SYSTEMD7R SERIES II WITH FINGER TIP CONTROL


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3

4

2

5

1

FROMCONVERTERSCAVENGE

PRIORITYVALVE

TO TORQUECONVERTER

FROM OILCOOLER

STEERING ANDBRAKE VALVE

TRANSMISSIONCONTROLGROUP

3 2 1

PUMP SECTIONS

1. TORQUE CONVERTER CHARGING SECTION2. TRANSMISSION CHARGING SECTION3. TRANSMISSION AND TORQUE CONVERTER SCAVENGE SECTION

POWER TRAIN HYDRAULIC SYSTEMD7R SERIES II WITH DIFFERENTIAL STEERING


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3

4

2

5

1

FROMCONVERTERSCAVENGE

PRIORITYVALVE

TO TORQUECONVERTER

FROM OILCOOLER

BRAKEVALVE

TRANSMISSIONCONTROLGROUP

TO TRANSMISSIONCASE

3 2 1

PUMP SECTIONS

1. TORQUE CONVERTER CHARGING SECTION2. TRANSMISSION CHARGING SECTION3. TRANSMISSION AND TORQUE CONVERTER SCAVENGE SECTION

D7R SERIES II IMPLEMENT HYDRAULIC SYSTEMFINGER TIP CONTROL (BLADE HOLD)


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TO HEAD END

TO ROD END

BLADE LIFT

BLADE TILT

RIPPER RAISE

RIPPER TIP

SHUTOFF VALVE

RIPPER RAISE/LOWER

BLADE RAISE/LOWER

SINGLE TILT

DUAL TILT

PRESSUREREDUCING

AND CHECKVALVES

BLADE TILT

RIPPER SHANK IN/OUT

INLET MANIFOLD

MAIN RELIEFVALVE CHARGING

VALVE

VACUUMBREAKER

IMPLEMENTPUMP

PISTON BYPASSVALVE


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INLET MANIFOLD

DOZER LIFT

DOZER TILT

RIPPER

LIFT

SIGNAL NETWORK

TO ROD END

TO HEAD END

TO HEAD END

TO HEAD END

TO ROD END

TO ROD END

RESOLVE

TO PUMP

CONTROL VALVE

TO HEAD ENDTO ROD END RIPPER

TIP


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ADJUSTMENT SCREWS

PRESSURE AND FLOW COMPENSATOR VALVE


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TO TANK

TO ACTUATOR PISTO

FROM OUTPUT PORT

PRESSURE COMPENSATOR(CUTOFF) SPRING

FLOW COMPENSATOR(MARGIN) SPRING

PRESSURE COMPENSATOR(CUTOFF) SPOOL

FLOW COMPENSATOR(MARGIN) SPOOL

ADJUSTMENT SCREWSSIGNAL LINE

FROM INLETMANIFOLD

PUMP AND COMPENSATOR OPERATIONENGINE OFF


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PUMP OUTPUT

LARGEACTUATOR

SMALL ACTUATOR

AND BIAS SPRING

SWASHPLATE

DRIVSHA

YOKEPAD

PRESSURECOMPENSATOR

(CUTOFF) SPOOL

FLOW COMPENSATOR( MARGIN) SPOOL

NO SIGNAL

PISTON ANDBARREL ASSEMBLY

PUMP AND COMPENSATOR OPERATIONLOW PRESSURE STANDBY


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PUMP OUTPUTNO SIGNAL

PUMP AND COMPENSATOR OPERATIONUPSTROKING


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PUMP OUTPUTSIGNAL REDUCEDPRESSURE

PUMP AND COMPENSATOR OPERATIONCONSTANT FLOW


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REDUCEDPRESSURE

PUMP OUTPUTSIGNAL

PUMP AND COMPENSATOR OPERATIONDESTROKING


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INCREASEDPRESSURE

PUMP OUTPUTSIGNAL

PUMP AND COMPENSATOR OPERATIONHIGH PRESSURE STALL


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PUMP OUTPUTAT MAXIMUMPRESSURE

SIGNAL ATMAXIMUMPRESSURE

D7R SERIES II LIFT CONTROL VALVEFINGER TIP CONTROL / HOLD


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TOCOMPENSATOR

VALVE

HEAD ENDROD END

MAKEUPVALVE

FROM INLET MANIFOLD TO TILT

CONTROL VALVE

LOAD CHECKVALVE

MAIN

CONTROLSPOOL

RESOLV

FROMPREVIO

VALV

FINGER TIP CONTROL / HOLD

D7R SERIES II LIFT CONTROL VALVEFINGER TIP CONTROL / RAISE


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HEAD ENDROD END

MAKEUPVALVE


CONTROL VALVE

LOAD CHECKVALVE

MAIN

CONTROLSPOOL

TOCOMPENSATOR

VALVE

RESOLV

FROMPREVIO

VALV

FINGER TIP CONTROL / RAISE

SIGNALPORTS

SIGNAL

PASSAGE

D7R SERIES II LIFT CONTROL VALVEFINGER TIP CONTROL / FLOAT


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TOCOMPENSATOR

VALVE

HEAD ENDROD END

MAKEUPVALVE


CONTROL VALVE

LOAD CHECKVALVE

MAIN

CONTROLSPOOL

RESOLV

FROMPREVIO

VALV

FINGER TIP CONTROL / FLOAT

D7R SERIES II TILT CONTROL VALVE


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TOCOMPENSATOR

VALVE

RESOLVER

FROMLIFT CONT

VALVE

HEAD END ROD END

PRESSURELIMITERVALVEFLOW

CONTROL

VALVE

LOAD CHECKVALVE

MAINCONTROL

SPOOL

FROM LIFT CONTROL VALVE

TO RIPPER CONTROL VALVE


D7R SERIES II TILT CONTROL VALVEFINGER TIP CONTROL / TILT RIGHT


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TOCOMPENSATOR

VALVE

RESOLVER

FROMLIFT CONT

VALVE

HEAD END ROD END


CONTROL

VALVE

LOAD CHECKVALVE

MAINCONTROL

SPOOL



FINGER TIP CONTROL / TILT RIGHT

D7R SERIES II RIPPER CONTROL VALVEFINGER TIP CONTROL / HOLD


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MAIN

CONTROLSPOOL

HEAD END ROD END

FROM TILT CONTROL VALVE

LOAD CHECKVALVE

MAKEUPVALVE

TOCOMPENSATOR

VALVE

RESOLV

FROMTILT

CONTRVALV


QUICK-DROP VALVE


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QUICK-DROP VALVE

DOZER LIFT

TOIMPLEMENT

VALVE

TO

IMPLEMENTVALVE

TO ROD END

TO HEAD END

PISTON BYPASSVALVES

TO CYLINDERS


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TO CYLINDERS

(HEAD END)

TO CYLINDERS

(ROD END)

ORIFICE

SLEEVE

VALVE SPOOL

PLUNGER

TO/FROM LIFT

CONTROL VALVETO/FROM LIFT

CONTROL VALVE

PASSAGE TO

PLUNGER END

PASSAGE TO

SPOOL END

QUICK-DROVALVE

HOLD


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QUICK-DROVALVE

RAISE

FROM CYLINDERS

(HEAD END)

TO CYLINDERS

(ROD END)


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QUICK-DROVALVE

LOWER

TO CYLINDERS(HEAD END)

FROM CYLINDERS(ROD END)


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QUICK-DROPVALVE

LOWER / QUICK-DRO


FROM CYLINDERS

(ROD END)


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FROM CYLINDERS

(ROD END)QUICK-DROP

VALVELOWER / DOWN PRESSUR

D7R SERIES II IMPLEMENT HYDRAULIC SYSTEMDIFFERENTIAL STEER (BLADE HOLD)


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TO HEAD END

TO ROD END

BLADE LIFT

BLADE TILT

RIPPER RAISE

RIPPER TIP

SHUTOFFVALVE

RIPPERRAISE/LOWER

BLADE RAISE/LOWER

SINGLE TILT

DUAL TILT

PRESSUREREDUCING

AND CHECKVALVES

STEERING MOTOR

RIPPER LIFT

RIPPER TIP

IMPLEMENT PUMP

RIPPERSHANK IN/OUT

BLADE TILT

STEERING

INLET MANIFOLD

PISTON BYPASSVALVE


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HYDRAULIC MOTOR

DIFFERENTIAL STEER COMPONENTS


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TO RIG

FINAL DR

EQUALIZING

PLANETARY

DRIVE

PLANETARY

STEER

PLANETARY

TO LEFT

FINAL DRIVE

HYDRAULIC MOTOR

INPUT

TRANSMISSION

INPUT

DIFFERENTIAL STEER COMPONENTSSTRAIGHT LINE OPERATION


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TO RIG

FINAL DR

TO LEFT

FINAL DRIVE

EQUALIZING

PLANETARY

DRIVE

PLANETARY

STEER

PLANETARY

HYDRAULIC MOTORINPUT

TRANSMISSIONINPUT

HYDRAULIC MOTOR TRANSMISSION

DIFFERENTIAL STEER COMPONENTSLEFT TURN / FORWARD


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TO RIGHFINAL DR

TO LEFT

FINAL DRIVE

EQUALIZING

PLANETARY

DRIVE

PLANETARY

STEER

PLANETARY

HYDRAULIC MOTOR

INPUT

TRANSMISSION

INPUT

FROM

IMPLEMENT

CONTROL

VALVE

TO

INLET

MANIFOLD

D7R SERIES II

STEERING AND IMPLEMENT PUMPENGINE OFF


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VALVE

SWASHPLATE

MARGINSPOOL

LARGEACTUATOR

SMALL

ACTUATOR DRIVE SHAFT

PISTON ANDBARREL ASSEMBLY

CUTOFFSPOOL

LOW PRESSURE STANDBY

FROM

IMPLEMENT

CONTROL

VALVE

TO

INLET

MANIFOLD

D7R SERIES II

STEERING AND IMPLEMENT PUMP


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LOW PRESSURE STANDBY

CUTOFF SPOOL

MARGINSPOOL

UPSTROKE

FROM

IMPLEMENT

CONTROL

VALVE

TO

INLET

MANIFOLD

D7R SERIES II

STEERING AND IMPLEMENT PUM


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CUTOFF SPOOL

MARGINSPOOL

CONSTANT FLOW

FROM

IMPLEMENT

CONTROL

VALVE

TO

INLET

MANIFOLD

D7R SERIES II



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CONSTANT FLOW

CUTOFF SPOOL

MARGINSPOOL

DESTROKE

FROM

IMPLEMENT

CONTROL

VALVE

TO

INLET

MANIFOLD

D7R SERIES II



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CUTOFF SPOOL

MARGINSPOOL

HIGH PRESSURE STALL

FROM

IMPLEMENT

CONTROL

VALVE

TO

INLET

MANIFOLD

D7R SERIES II



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CUTOFF SPOOL

MARGINSPOOL

TO NEXT CONTROL VALVEPRIORITY FLOW

CONTROL VALVE

D7R SERIES II STEERING CONTROL VALVEDIFFERENTIAL STEER / HOLD


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MAIN CONTROL SPOOL

STEER RIGHTSTEER LEFT

LOAD CHECK VALVE

RESOLVER

TO INLETMANIFOLD

FROMPREVIOUS VMAKEUP VALVE

PUMP SUPPLY

MAKEUP VALVE

CONTROL VALVE

TO NEXT CONTROL VALVEPRIORITY FLOW

D7R SERIES II STEERING CONTROL VALVEDIFFERENTIAL STEER / STEER LEFT


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TO NEXT CONTROL VALVE

MAIN CONTROL SPOOL

STEER RIGHTSTEER LEFT

LOAD CHECK VALVE

RESOLVER

TO INLETMANIFOLD

FROM

PREVIOUS VAMAKEUP VALVE

PUMP SUPPLY

MAKEUP VALVE

CONTROL VALVE

CHECK VALVE

STEMCHECK VALVERIGHT TURN PASSAGE FROM PUMP

LEFT TURN PASSAGE TO TANK


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D7R SERIES IICOUNTERBALANCE VALVE

AND STEER MOTORSTEERING MOTOR

CROSSOVERRELIEF

COUNTERBALANCE

VALVE

CROSSOVER RELIEF

STRAIGHT LINE OPERATION

RIGHT TURN PASSAGE FROM PUMP

CHECK VALVE

STEMLEFT TURN PASSAGE TO TANK

CHECK VALVE


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D7R SERIES II

COUNTERBALANCE VALVE

AND STEER MOTOR STEERING MOTOR

CROSSOVERRELIEF

COUNTERBALANCE

VALVE

CROSSOVER RELIEF

RIGHT TURN

CHECK VALVE

STEMCHECK VALVERIGHT TURN PASSAGE FROM PUMP

LEFT TURN PASSAGE TO TANK


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D7R SERIES IICOUNTERBALANCE VALVE

AND STEER MOTORSTEERING MOTOR

CROSSOVERRELIEF

COUNTERBALANCE

VALVE

CROSSOVER RELIEF

OVERSPEED

D7R SERIES II RIPPER CONTROL VALVEDIFFERENTIAL STEER / HOLD


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TOCOMPENSATOR

VALVE

RESOLVER

FROTILT

CONTRVALV

LOAD CHECKVALVE

MAIN CONTROL

SPOOL

HEAD END ROD ENDMAKEUPVALVE

PRESSURELIMITER

VALVE

FLOWCONTROL

VALVE


HEAD END ROD ENDMAKEUP

D7R SERIES II RIPPER CONTROL VALVEDIFFERENTIAL STEER / LOWER


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TOCOMPENSATOR

VALVE

RESOLVER

FROTIL

CONTVAL

LOAD CHECKVALVE

MAIN CONTROLSPOOL

HEAD END ROD ENDMAKEUPVALVE

PRESSURELIMITER

VALVE

FLOWCONTROL

VALVE


FROM

VA

MAKEUP

VALVE

HEAD ENDROD END

D7R SERIES II DOZER LIFT CONTROL VALVEDIFFERENTIAL STEER MACHINES / HOLD


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FROM INLET MANIFOLDTO TILT VALVE

TO INLET

MANIFOLD

VAVALVE

RESOLVER

MAIN CONTROL SPOOL

LOAD CHECK VALVE

SIGNAL

PRESSUR

LIMITER

HEAD END ROD END

D7R SERIES II TILT CONTROL VALVEDIFFERENTIAL STEER / HOLD


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TOCOMPENSATOR

VALVE

RESOLVER

FROMLIFT CONT

VALVE

HEAD END ROD END


CONTROLVALVE

LOAD CHECKVALVE

MAINCONTROL

SPOOL




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INPUT COMPONENT


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INPUT COMPONENT

SWITCHES

SENDERS

SENSORS

SWITCH TYPE


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SWITCH TYPE UNCOMMITTED

PROGRAMMING

SERVICE

SENDER TYPE


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SENDER TYPE

0 to 240 OHM

70 to 800 OHM

SENSOR TYPE


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SENSOR TYPE

PWM (DIGITAL)

FREQUENCY

OUTPUT COMPONENTS


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OUTPUT COMPONENTS

MAIN DISPLAY MODULE

DISPLAY DATA LINK ALERT INDICATORS

ACTION LAMP/ALARM


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Date post:	21-Feb-2018
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Manual del Estudiante - D7R 2.PDF

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