323D Excavadora Cat

8/12/2019 323D Excavadora Cat

1/15

1

EF

TRAVELMOTOR(RIGHT)

T

Pp3

Pp3

A

B

(32)MOTORGP

TRAVELRIGHT

(53)VALVE

GP

TRAVELRT

COUNTER

BALANCE

39SWIVELGP

BR1

AR1


2/15

CD

(39)SWIVELGP

BR1

AR1

(11)VALVEGP

LOADCONTROL

VABCYLINDER

225-4843

VABCYLIN

DER

T

CV

Pi

CYL

DR

FB2


3/15

HYDRAUL

IC

CIRCUITCOLOR

DE

SCRIPTIONS

PILOTPUMPOUTPUT

RIGHTMAINPUMPOUTPUT

HEAVYLIFTCONTROLCIRCU

IT

VABCYLINDERCONTROLCIR

CUIT

LEFTANDRIGHTMAINPUMP

POWERSHIFTCIRCUIT

SUPPLYLINE

STICKCYLINDERCONTROLC

IRCUIT

LEFTTRAVELMOTORCONTR

OLCIRCUIT

ATTACHMENTCONTROLCIRC

UIT

SWINGMOTORCONTROLCIR

CUIT

DRAIN/RETURNLINE

SWINGBRAKECONTROLCIRCUIT

LEFTMAINPUMPOUTPUT

TRAVELSPEEDCONTROLCIR

CUIT

BUCKETCYLINDERCONTROL

CIRCUIT

RIGHTTRAVELMOTORCONT

ROLCIRCUIT

BOOMCYLINDERCONTROLC

IRCUIT

LINEPATTERNS

Drain/Retu

rnLines

Component

Group

Pilot/Load

SensingPressure

PressureLine

CALLOUTS

Taps(Pressure,

Sampling,Sensor-byletter)

YY

(52)VALVEGP-CO

NTROL

138-1234

CalloutNum

ber

(MachineLocationfrom

ComponentLocationsT

able)

Component

Name

PartNumber

Attachment

Group

onentsareshownins

talledonafullyoperablemach

inewiththekeyandengineoff,transmissionshifter

tralandwithparkingbrakeset.

totheappropriateSe

rviceManualforTroubleshooting,SpecificationsandSystemsOperations.

SCHEMATIC

ISFOR

THE323D

EX

CAVATOR

HYDRAUL

IC

SYSTEM

ACHMENT:VARIABLEANGLEBOO

M

TNUMBER:342-1966,CHANGE:00,VERSION:HE

IANUMBER:K

ENR5529

1

AB

R.C.V.:

RETURNCHECKVALVE


4/15

2

3

17)VALVEGP

OLENOID

NEGFLOWC

ONT,

ROPNREDVALVE)

71-0188

EGP

IDOOL,4-FUNCTION)

A1

A2

B1

B2

H

R

HL

STICKCYLINDER

BUCKETCYLINDER

TRAVELMOTO

R(LEFT)

Pp3

T

A

B

(31

)MOTORGP

T

RAVELLEFT

(52)VALVEGP

TRAVELLT

COUN

TERBALANCE

BR3

AR3

BL3

AL3

BL1

AL1


5/15

STICK(2)

P2

R3

aR5

AR5

BR5

(OUT)

(46)VALVEG

P

MAINCONTROL

bR5

R.C.V-B

HR

(22)BLO

CK

185-0488

BL1

AL1

DR

FB2

ar pH M MU


6/15

Componentsar

inneutraland

Refertotheap

THISSCH

ATTACHM

PARTNUM

MEDIANU

2

3

GPRAULIC

HJ

JK

K

L O L N 884- H


7/15

4

5

(17)VAL

SOLENO

(NEGFL

PROPN

171-0188

(18)VALVEGP

SOLENOID

(WORKTOOL,4-

259-7429

P T

A1

P

A1

A2

A3

A4

B4

B3

B2

B1

T

Pb1

Pa1

bR2

aR2

H

A

P

T

A B

LVEGP

OID

FLOAT,

OIL)2

(8)VALVEGP

FLOWC

ONTROL

(BOOMFLOAT,

PILOTOIL)

201-9236

A

B

Dr

Pi

T

X

(5)VALVE

GP

CHECK

(1-WAY/2-WAY,CHECK)

297-0370

(1

0)VALVEGP

LOADCONTROL

B

OOMCYLINDER

225-4785

TCHAS

URE

FLOAT)

69

AA

BB

CC

DD


8/15

BO

OM(1)

ATCH

BUCKET

TRAVEL(R)

TRAVEL(L)

SWING

DST

P

L

PR

Di1

Di4

Pi4

BP3

BP2

AR2

BR2

(R)

(L)

(FWD)

(REV)

(FWD)

(REV)

(OPEN)

(CLOSE)

(UP)

(DOWN)

A1

A2

B1

B

2

(4

2)VALVEGP

HEAVYLIFT

A

T

P

Pi5

bL2

bL1

bR1

bR3

bR4

aL2

aR1

AR4

aL1

aR3

a

R4

Pi1

aR

2 bR2

P

T

,

OIL)2

AR3

BR3

AR1

BR1

AL1

BL1

(13)VALVE

GP

SHUTTLE

164-6980

(34)SENSOR

AS

PRESSURE

LEFTPUMP

LIC


9/15

4

5

M2

G2

G1

M1

A3

A

1

S1

S

3

A

2

Pm

Pi

Pn1

Pn2

Ps2

Ps1

PsM1

G3

Dr1

Dr2G

2

PsM2

P1

P2

T

(33)PUMPGP

MAINHYDRAUL

(27)FILTERG

P

PILOTHYDRA

ULIC

(49)VALVE

GP

PRESSURE

REDUCING

BOOM/SWI

NG

IN

OUT

T

PG

PC

EE

HH

JJ

KK

FF

(34)SENSOR

AS

PRESSURE

LEFTPUMP

(35)SENSOR

AS

PRESSURE

RIGHTPUMP

SOS

GG

GP AT,AS A

T)


10/15

6

7

PG

DR

MU

A

BSWINGMOTOR

(30)MOTORGP

SWING

(51)VALVEGP

SWINGCUSHION

DR

A1

B1

AL2

BL2

(16)VALVEG

SOLENOID

(BOOMFLOA

PILOTOIL)

185-0472

Dr

A

B

BOOMCYLINDER

CYL

CV

Pi

T

Dr

X

X

CYL

CV

DrX

AR4

(15)VALVEGP

SOLENOID

(BOOMFLOATUP)

297-0371

(9)VALVEGP

LOADCONTROL

BOOMCY

LINDER

225-4785

FINE

SWING

(4)SWITCHA

PRESSURE

(BOOMFLOA

309-5769

(3)SENSORAS

PRESSURE

OVERLOADWARNING

221-8859

S((LB

1b

L2, (1S1


11/15

Di2

STICK(1)

BOOM(2)

Pi2

Pi3

Di3

AL4 a

L4

SPi

SDr

SP3

(UP)

(OUT)

(IN)

B

aL3

(45)VALVEGP

LOADCONTR

OL

STICKCYLIND

ER

bL3

b

AL2

BL2

aL2

bL4

R.C.V

-A

Pa1

Pa2

FB

2

Pb1

Pb2

PILOTOIL)

185-0472

C.V-C

FA1

FB2

BL3

AL3

(7)VALV

EGP

CONTROL

VAB

308-4747

(6)VALVEGP

CONTROL

AUXILIARY

259-7378

(D

OWN)

(UP)

FA2

P1 (4P B


12/15

6

7

P2

Pi1

P1

DR1

DR2

DR3

DR4

DR5

DR6

P-IN

PSA1

PS

A2

T-OUT1

T-OUT2

Pi2

(26)FILTERGP

CASEDRAIN

(29)MANIFOLD

GP

CONTROL

(21)ACCUMULATO

RGP

P

TB1

(48)VALVEGP

PRESSURE

REDUCING

SOLENOID

NO.1(TRAVEL)

NO.2(SWING)

NO.3(LOCK)

(40)T

ANKGP

HYDRAU

LICOIL

7


13/15

8

EF

TRAVEL(L)

TRAVEL(R)

(47)VALVEGP

PILOTTRAVEL

T1

T5

BACK

FWD

BACK

FWD

T2

T4

T6

T3

TT

T

P

aL1

bL

1

bR1

aR1

P1

P2

R

G

P1

P2

R

G

SINGLE

SINGLE

DOUBLE

DOUBLE

(20)VALVEGP

SOLENOIDANDRELIEF

(1-WAY/2-WAYFLOW)

323-7942

36S

WITCHAS

38

SWITCHAS

(19)VALVEGP

SOLENOIDANDRELIEF

(1-WAY/2-WAYFLOW)

297-0265

C FA2


14/15

ENR5529(Dimensions:39inchesx28inches)

CD

A

C

B

D

E

FG

(41)VALVEGP

COOLERBYPASS

(28)FILTERGP

RETURN

OIL

HL

(12)VALVEGP

PILOT

206-3336

RP

RT

1

3

2 Pa2

Pb2

R.C.V-C

R.C.V-B

R.C.V-A

R.C.V-C F

(36)S

WITCHAS

P

RESSURE

L

HTRAVEL

(1)BLO

CK

(38)SWITCHAS

PRESSURE

RHTRAVEL

72

9)

CON


15/15

K30Page,(Di

AB

8

JLP

JLT

STICK

SWING

O

UT

J

L1

INJL3

R

L

JL2

JL4

BUCKET

BOOM

OPEN

CLOSE

DOWN

UPJR1

JR2

JR3

JR4

A1

A2

A3

A4

A5

A6

A7

A8

B1

B2

B3

B4

B5

B6

B7

B8

(50)VA

LVEGP

SH

UTTLE

(2C

JRP

JRT

(43)VALVEGP

JOYSTICK

LEFTHAND

(

44)VALVEGP

J

OYSTICK

R

IGHTHAND

aR3

aR4

bR3

bR4

bL3

bL2

bL4

aL2

P

i1

(14)VALVE

GP

SHUTTLE

164-6980

(37)SWIT

CHAS

PRESSUR

E

PILOT

323D Excavadora Cat

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