Plano Hidraulico HEX CAT 336

UENR2175 November 2011 ComponentLocation Part Machine Schematic Number  Location Location

Description 336ESTANDARD  AccumulatorGp-Hydraulic(Charged)

164-6981

1

Control Gp J-oystick (LH)

323-7948

2

Control Gp J-oystick (RH)

323-7947

3

C yl ni de r Gp - Bo om

3 58 -5 97 2

E-4

5

J-10

3 57 -4 70 3

6

J1 - 1

F liet r a n dV al ve Gp - P i ol t( H y dr au il cO li )

1 58 8 - 98 7 188-4145

7

B6 -

8

A-7

F l iet rG p- O i l( H yd ar u l ci C , a se Dr a i n )

2 8 9 8- 1 9 4

9

A 6-

M a n fi ol dG p C - o n rt ol ( P i ol tO li Su pp yl )

2 15 5 - 03 7

1 0

E5 -

M a n fi ol d/ S o el no di G p( H e av yL fi )t

3 23 7 - 89 5

1 1

E3 - ,E 4 -

Motor Gp -Swing

334-9973

12

J-7

Motor Gp T-ravel (Left)

271-6376

13

J-6

Motor Gp T-ravel (Right)

271-6376

14

J-4

P u m pG p- P i ts o n (M a i nH dy ar u l ci ) Screen Gp -Hydraulic

3 4 9 4- 0 6 5

1 5

C 5-

326-4408

16

A-7

S en so rG p P - e r s ur e( Bo om D o w nC rt )l

3 38 6 - 97 0

1 7

S e n o s rG p- P r e ss u r e( B o o m R , o d En d )

3 3 8 6- 9 7 1

1 8

J 9-

3 3 8 6- 9 7 0

1 9

F- 2

3 38 -6 97 0

20

C -2

S en so r Gp - Pr es su re ( Ne ga it ve F ol w C o nt ro )l

3 38 -6 97 0

21

C -2

S en so rG p P - e r s ur e( Ov er ol ad Wa n r ni g)

3 38 6 - 97 1

2 2

3 38 6 - 97 1

S e n o s rG p- P r e ss u r e( S t cik n I Ctr )l

F- 2

2 6

F- 1

S w it hc As -P er su er (Im p l e me n t )

3 1 9 4- 4 0 7

2 7

F- 2

S w i cth As -P er su er (L e ft Tr a ve )l

3 1 9 4- 4 0 7

2 8

I 2-

S w i cth As -P er su er (Ri g h T t ar ev )l

3 1 9 4- 4 0 7

2 9

I 1-

Swivel Gp

234-4440

30

I-5

Tank and Filter Gp H - ydraulic

319-9805

31

A-7

V al ve G p C - he ck

323 - 75 02

32

F -1 0

V a l e v Gp -P l i o t Tr a v e l (W ti hS hu t tel )

3 2 3 7- 7 6 2

Valve Gp -Pressure Reducing

3 3

285-1613

Valve Gp P - ump C ontrol

310-0107

CC

STICK LOWERING CONTROL VALVE

42

E-2 C-3

36

G-1

335-0200

37

E-9

158-9085

38

I-7

V al ve Gp - rT av el Co un et b r al an ce (L ef )t

3 22 8 - 71 4

3 9

I6 -

V al ve Gp - rT av el Co un et b r al an ce (R gi ht )

3 22 8 - 71 4

4 0

I 4-

 YCE1-UP  YEP1-UP BZY1-UP TMZ1-UP

BUCKET CYLINDER

J 1-

34 35

323-7560

Valve Gp -Stick Drift R e d uction Valve Gp S - wing C ushion

Valve Gp -Shuttle

   5    7    1    2    R    N    E    U  e ,

336E Excavator  Hydraulic System - Attachment

5

F- 1

2 5

3 3 8 6- 9 7 0

46

45 6

A1 - 1

2 4

3 3 8 6- 9 7 0

S e n o s rG p- P r e ss u r e( S w ni gC o n rt o l )

   )   s   e    h   c   n    i    5    3   x   s   e    h   c   n    i    8    4   :   s   n   o    i   s   n   e   m    i    D    (

4

A1 - 2

2 3

3 3 8 6- 9 7 0

S e n o s rG p- P r e ss u r e( S t cik O u t Ct lr )

18

F 3-

S e n o s rG p- P r e ss u r e( B o o m Up Up Ct lr ) S en so r Gp - Pr es su re ( Ne ga it ve F ol w C o nt ro )l

S en so rG p P - e r s ur e( Ov er ol ad Wa n r ni g)

51

J -9

357-9766

C yl ni de r Gp - St ci k Filter Gp O - il (Hydraulic Return)

49

H-3 H-1

4

Cylinder Gp -Bucket

44

43

48

  g   a    P    6    3

Attachment: One-Way/Oneor TwoPump-ElectricControl B ol ck

32 3- 76 04

4 1

B1 - 4

Plate

199-2012

42

H-8

S en so rG p P - e r s ur e( Bo om ,H ea dE nd )

3 38 6 - 97 1

V a l e v Gp -Ch e c k( B o o m F ol a t Up )

2 9 7 0- 3 7 1

V al ve Gp - L o ad Co nt or l B ( oo m C y i l nd er LH )

2 63 1 - 96 4

4 3

I 9-

4 4

H 8-

4 5

V al ve Gp - L o ad Co nt or l B ( oo mC lyni de rR H )

2 63 1 - 96 4

4 6

Valve Gp M - ain Control

335-0385

47

J9 J8 G-13

Valve Gp -Manual B ( oom Lo Lower)

335-0512

48

V a l ev Gp - R e il e f (L ni e , Wo kr T o o l )

1 7 2- 6 5 3

4 9

H 1- 1

I-9

V avl e G p - S o l en odi ( P e r su sreRe d u icn g) ( P iol t Lni e )s

2 5 9- 7 43 0

50

G-5

V avl e G p - S o l en odi a n d Per s u s r e Re d uc i ng ( B oo mL o we rni g )

3 2 3- 7 89 4

51

F-4

One-Way / One or Two Pump - Electric Control

38

12

41 37

47

23 22

BOOM AND WORK TOOL CONTROL

© 2011Caterpillar, All Rights Reserved

24

Do

Description P ump C ase Pressure

29

Dr vi eP u m pD e l vie yr Pr e s us er

B 4-

P ower S hift Pressure

B-3

Id el rP u m pDe i l e v yr Pr e s us e r

B 3-

 A2

DrivePumpNegativeFlow Pressure(NFC1)

C-2

B2

I del r P um p N eg a itv e F l o w Pr e s uer ( N FC 2 )

C-2

P G BB C C DD SOS

P l i ot Pu m p De i l e v yr Pr e ss u r e

B 6-

pL7f,AttachmentExtendPilot Pressure(B1)

G-5

p L 7b , A tt a h c m en t E txe nd P iol t P r e ssu r e ( B2 )

3

26 27

36

C-5

a 1

 AA

33

M I AN

PUMPORMOTOR

FLUIDCONDITIONER

SPRIN G

CONTR O L V A LE VS

V R A AI IB L I Y T

SPRING (ADJUSTABLE)

L NI ER E S R T CI IT O N (VARIABLE)

PRESSURE COMPENSATION

RESTR ICTIO N

LINERET S R I CITO N (FIXED)

AUX

PUMP (2 - SECTION)

Schematic Location

a3 a 2

FLUID POWER SYMBOLS BASICCOMPONENT SYMBOLS

FWD

TapLocation PressureandSampling Tap Number 

PrintedinU.S.A.

25

F4 E -3 B-6

ONEO P STI I N O

TWO P O ISTOI N

 ATTACHMENT

VALVE PORTS

THR EEPO S I ITO N

T W O -W Y A

T H R E E -W Y A

CONTROLVALVES  AB

 PUMP (VARIABLE&PRESSURE COMPENSATED)  

LINERESTRICTION (VARIABLE&PRESSURE COMPENSATED)

VALVES

VALVE ENVELO PES

50

G-5

B oo mL ow e r ni g V a vl eP e r s ur e Boo m R eg en er at oi n Va vl e Pr es su re Oil Sampling P ort

HYDRAU LIC P N E U MT AI C ENERGYTRIANGLES

F U O R W - Y A

CHECKVALVES

 AB

P T

PT

NORMALPOSITION

S H I FE TD P O S IITO N

BASIC SYMBOL

INFIN I T E P O IST I O N

SPRING LOADED

S H U T E L

P LI O T CONTROLLED

FLUIDSTORAGERESER VOIRS

V N E E T D

P R E S S U R ZI D E

R T E U R NA B O E V FL U I DL E V L E

R E T U R NB L E O W F L U I DL E V L E

MEASUREMENT

P R E S S U R E

ROTATING SHAFTS

T M E P E R AU T R E

F O L W

TOPVIEW

FRONT

34 11

DD

32

U NDI R I E C TI O N AL

BD I R I EC T I ON A L

COMBINATION CONTROLS

 AA

BB SOLEN OID

SOLENOID OR MANUAL

SOLENOID &PILOT

SOLENOID& PILOTORMANUAL

SERVO

THERMAL

DETENT

MANUALCONTR OLSYMBOLS

TOP DOWN VIEW - MACHINE CENTER PUSH - PU LL LEVER

BOOM AND WORK TOOL CONTROL

B-B

MANUALSHUTOFF

EXE TRN ALRT EUR N

FRONT

2

17

8

31

1

10

19

TOP DOWN VIEW - CAB

A-A

16

INT ERN ALRE TUR N

ACCUMULATORS

SPR I N GO L AD ED

PEDAL

LINESCR OSSIN G

COMPLETE

FIXED DISPLACEMENT

SINGLEACTING

UNIDIRECTIONAL

BIDIRECTIONAL

BIDIRECTIONAL

DOUBLEACTING

INTERNALPAS SAGEWAYS

VARIABLEDISPLACEMENT NON-COMPENSATED

UNIDIRECTIONAL

INTERNAL SUPPLYPRESSURE

HYDRAULI C&PNEUMATICCYLINDERS

L I N E S J ION I N G

HYDRAUL ICMOTORS ICMOTORS

VARIABLEDISPLACEMENT NON-COMPENSATED

SPRING

REMOTESUPPLYPRESSURE

SIMPLIFIED

CROSSING&JOININGLINES

GAS CHA RGE D

HYDRAULI CPUMPS FIXED DISPLACEMENT

PUSH U B TTON

PILOTCONTROLSYMBOL S

RELEASEDPRESSURE

28 View B-B

GENERAL M ANUAL

INFINITE POSITIONING

3POSITION

FLOWINONE DIRECTION

PARALLEL FLOW

CROSS FLOW

2POSITION

FLOW IN EITHER  DIRECTION

View C-C a1

15

a3

PG

9

ELECTRICAL SYMBOLS TABLE

SOS

HYDRAULICSYMBOLS(ELECTRICAL)

G

 A  A  A    w e   i e   V

TANK

M

TRANSDUCER (FLUID)

TRANSDUCER (GAS/ AIR)

GENERATOR

ELECTRICMOTOR

PRESSURE SWI TCH

PRESSURESWITCH (ADJUSTABLE)

TEMPERATURE SWITCH

ELECTRIC AL WIR E

ELECTRICALSYMBOLS(ELECTRICAL)

30

T

PRESSURE SWITCH

TEMPERATURE SWITCH

LEVEL SWITCH

FLOW SWITCH

WIRENUMBERIDENTIFICATIONCODES

LEFT TRAVELMOTOR E L EC T R ICA L S C HE M AT I C EX A MP L E

R

FRONT

39 14 Left Side Front

L

35

CURRENTSTANDARD

Do

a2

13

RIGHT TRAVELMOTOR

MACHINE COMPONENT LOCATIONS

21 Right Side Bottom Up

B2

 A2

RIGHT SIDE ACCESS PANEL

C-C

HYD RAU L I C SC H E MAT I C E XA M P LE CURRENTSTANDARD

HARNESSIDENTIFICATIONCODETHISEXAMPLE INDICATESWIRE135 INHARNESS“AG” WIRE CIRCUITNUMBER IDENTIFICATION

325-AG135 PK-14

20

40

7

CIRCUITNUMBER IDENTIFICATION

WIRE COLOR

WIRECOLOR

WIREGAUGE

325-PK

PREVIOUSSTANDAR D WIRE

WIRECOLOR

B

325-PK-14

CIRCUITNUMBER IDENTIFICATION

WIREGAUGE

 A

(EXAMPLEVALVE)

14

13

12

11

10

9

8

(45) VALVEGP LOADCONTROL (BOOMCYLINDERLH) 263-1964

(46) VALVEGP LOADCONTROL (BOOM CYLIN DERRH) 263-1964

   5    7    1    2    R    N    E    U  e ,

  g   a    P    6    3

X L6

SP2

L5

6

SWG PRKG BK  CONTROL (E-6)

5

4

(13)MOTORGP TRAVEL(LEFT) 271-6376

(12)MOTORGP SWING 334-9973

J

   )   s   e    h   c   n    i    5    3   x   s   e    h   c   n    i    8    4   :   s   n   o    i   s   n   e   m    i    D    (

7

(4) BOOM CYLINDER 358-5972

(5)BUCKETCYLINDER 357-9766

(6)STICKCYLINDER 357-4703

 TRAVELMOTOR (LEFT)

3

2

 TP

SWING MOTOR

 TT

PG

X

 TRAVEL(L)

DR

J

 

TRAVEL(R)

MU

R3  T

(18)SENSORGP PRESSURE (BOOM, RODEND) 338-6971

Pi

Pp3 AG

BG

Pi A1

B1

DR

Pp3

 T1

T1

 T2

T2

BG

BG

(FWD) CV CYL

AG BP2

 

AG

(48) VALVEGP MANUAL (BOOM LOWER) 335-0512

SINGLE AUX RETURN (F-9),(G-9)

L4

(39) VALVEGP TRAVEL COUNTERBALANCE (LEFT) 322-8714

R4

A

B

(30) SWIVEL GP 234-4440

(BKWD)

  (BKWD) L2

(FWD)   R1

L1

B

(40) VALVEGP TRAVEL COUNTERBALANCE (RIGHT) 322-8714

(FWD) R2

DRAIN FILTER (A-6)

5

6

5

6

3

I (29) SWITCHAS PRESSURE (RIGHTTRAVEL) 319-4407

2 1

4

2SPEED  TRAVEL CONTROL (F-6)

T4 pR2b

PD-Dr

4

(2) CONTROL GP JOYSTICK(LH) 323-7948

1 3

2

PD-Pi

JLP

(3) CONTROL GP JOYSTICK(RH) 323-7947

JRP JLT

MU (E-14)

Dr

(FWD)  T6

pL2b

A

A

(42)PLATE 199-2012 (49) VALVEGP RELIEF (LINE,WORKTOOL) 177-2653

B (L)

(38) VALVEGP SWINGCUSHION 158-9085

BOOM DOWN ELECHECKSOL

(44) VALVEGP CHECK (BOOM FLOAT UP) 297-0371

H

A

(R)

 

 T3

pL1f  (28) SWITCHAS PRESSURE (LEFTTRAVEL) 319-4407

I (43)SENSORGP PRESSURE (BOOM,HEADEND) 338-6971

(BKWD)

 T1

pR1f 

Dr

X

(BKWD)

 T5

 T2

CYL

CV Dr

X

L7

(33) VALVEGP PILOTTRAVEL(WITHSHUTTLE) 323-7762

R5

 T

SINGLE

1

(14)MOTORGP TRAVEL(RIGHT) 271-6376

TRAVELMOTOR (RIGHT)

STICK 

H

JRT

 

SWING

BUCKET

BOOM

( R)

(L)

  (OPEN) (CLOSE)

JL2

JL4

BLCV-Dr (B-7)

BLCV-Pi (F-2)

( OU T)

(N I )

JL1

JL3

JR2

(DOWN)

(UP)

JR1

JR4

JR3

(47) VALVEGP MAINCONTROL 335-0385

pL7b

pL7f 

G

 AA

BB NFC1

NFC2 A2

R.C.V-D

B1

G

(50) VALVEGP SOLENOID (PRESSUREREDUCING)(PILOTLINES) 259-7430

AUX RETURN (H-11) NOTEB

(51) VALVEGP SOLENOIDAND PRESSUREREDUCING (BOOM LOWERING) 323-7894

SOL6-T

pL7b

A4

B2

B 3 C 2 B4

(EXT) pR7f 

B1

 ATT STEM 1 EXTENDEPRV

C1

A6

A7

C3

B6

B7

B5

B pR7-Dr

(EXT)

P-IN

Pi1

TRAVELSPEED CHANGESOL

SDr

pL3b

pR6f 

pL3f  MF-P

P2

pR5f 

(19) SENSORGP PRESSURE (BOOM UPCTRL) 338-6970

pR3f 

pST

A  T L6

CC

2SPEED  TRAVEL CONTROL (H-5)

AUX RETURN   (H-11)   NOTEA

pL4b

(17) SENSORGP PRESSURE (BOOMDOWNCTRL) 338-6970

SOL4-T

E

SPi

 

PSA2

PD-Pi

PD-Dr

DR1   PSA1

 T-OUT2

DR2

(27) SWITCHAS PRESSURE (IMPLEMENT) 319-4407

P1

P2

HYDLOCK SOL

SWINGBREAK SOL

pR5b

BLCV-Pi (H-9)

NFC-T

HEAVYLIFT SOL

 T

BOOM REGEN REPRV

A8

C4

(36) VALVEGP SHUTTLE 323-7560

B8

 

pR4b

(26)SENSORGP PRESSURE (SWING CONTROL) 338-6970 (24) SENSORGP PRESSURE (STICKINCTRL) (25)SENSORGP 338-6970 PRESSURE (STICKOUT CTRL) 338-6970

SOL1-T

(34) VALVEGP

B PRESSUREREDUCING 285-1613

SP2

E

R6 P

SP1 ST6 pL6f 

(IN)

P1

(37) VALVEGP STICKDRIFT REDUCTION 335-0200

ST

(OUT)

A1

DR3

DR4

SOL4-T

pR6f 

L5

Pi2

DR5

SWG PRKG BK  CONTROL (J-7)

 T-OUT1

DR6

pBR

pL6f 

 T

(1)ACCUMULATORGP HYDRAULIC(CHARGED) 164-6981

PRV-T

MF-TANK  (10)MANIFOLDGP CONTROL (PILOT OIL SUPPLY) 215-5037

A

DD

HPi

pSR

STICK(2)

A2

PAC

F

 T

(11) MANIFOLD/SOLENOIDGP HEAVYLIFT 323-7895

NFC-Pi

E

A5

pL5f 

 T  ATT STEM 2 EXTENDEPRV

(RET)

MU (H-8)

A3

P BOOM DOWN REPRV(S1)

pR7f 

pL7f 

A2

C (32) VALVEGP CHECK 323-7502

F

A1

pR7-Dr P

R7

L7

A1

B2

PRV-T

SOL6-T

p L5 b

p R3 b

pSR

SPi

SOL1-T R5

D

(OPEN)

(CLOSE)

pL5f 

(OUT)

BUCKET

pL5b

pR5f 

D

pR5b

(21)SENSORGP PRESSURE (NEGATIVEFLOWCONTROL) 338-6970

STICK(1)

(IN) (35) VALVEGP PUMPCONTROL 310-0107

DrR

NFC1

(L)

ComponentGroup

(UP)

pL3b

(7) FILTERANDVALVE GP PILOT(HYDRAULICOIL) 158-8987

MF-P

P

Do

Components (Bynumber)

BLCV-Dr (H-9)

BOOM(2) (DOWN)

(41) BLOCKGP 323-7604

pR3f  R2

(FWD)

NFC-Pi

L2

(FWD) TRAVEL(L) STR-TRAVEL

OUT

IN

HYDRAULICCIRCUITCOLOR DESCRIPTIONS

Psv

IDLERPUMPOUTPUT

PG

PC

PILOTPUMPOUTPUT PS

PG

a3

a3

PRESSEPRV

SOS

B

DRIVEPUMPOUTPUT TRAVELSPEEDCONT ROLCIRCUIT SUPPLYLINE

a2

DrR MF-TANK 

(20) SENSORGP PRESSURE (NEGATIVEFLOWCONTROL) 338-6970

NFC2

a1

SDr

pR1f  dR1b

a1

A1

 T

dST

dR1b R1

(BKWD)

Do

pR2b

TRAVEL(R)

B2

NFC2

B1

P1 Ps1

pR3b BOOM(1)

DRAIN/RETURNLINE POWERSHIFTCONTR OLCIRCUIT

R.C.V-D

A4 S1

a2

A2 Dr1 Di Ps2

SWING BRAKECONTROLCIRC UIT RIGHTTRAVELCONTR OLANDRIGHTTRAVELMOTORCIRCU IT LEFTTRAVELCONTRO LANDLEFTTRAVELMOTORCIRCUIT SWINGCONTROLANDSWINGMOTORCIRCUIT

P2

L1

 A

Taps (Pressure,Sampling,Sensor-byletter)

52

B2 LIMIT EPRV

L3 BP2

pST

YY

C  T

R3

BOOM UPELE CHECKSOL

pL1f 

LIMIT EPRV

(15) PUMPGP PISTON (MAINHYDRAULIC) 349-4065

pBR

pL2b

CALLOUTS

NFC 1

Pi1

(UP)

BT3

B

 Air Line

 A2

pR4b

SWING pL3f 

 Attachment

A2

R4

(R)

Drain / Return Lines

A1

NFC-T

C

PressureLine Pilot/Load SensingPressure

SWING PRIORITYSOL

L4 pL4b

LINEPATTERNS

BOOM CONTROLANDBOOM CYLINDERCIRCUIT BUCKETCONTRO LANDBUCKETCYLINDERCIRC UIT STICKCONTROLANDSTICKCYLIND ERCIRCUIT

(BKWD)

IMPLEMENTPRESSURESWITC HCIRCUIT

DRAIN FILTER (H-5)

STRAIGHT TRAVELSOL

dST PU MP -S 1 P1

(22)SENSORGP PRESSURE (OVERLOADWARNING) 338-6971

(9) FILTERGP OIL (HYDRAULIC, CASEDRAIN) 289-8194

PU MP -S 2 P2 (23) SENSORGP PRESSURE

HPi

(31)TANKANDFILTER GP HYDRAULIC 319-9805

(8) FILTERGP OIL (HYDRAULICRETURN) 188-4145

(16) SCREENGP HYDRAULIC 326-4408

 ATTACHMEN T CIRCUIT

 A

Pi2 THISSCHEMATICIS FORTHE336E EXCAVATORHYDRAULICSYSTEM ATTACHMENT: ONEWAY / ONEORTWO PUMP - ELECTRICCONTROL MEDIANUMBER: UENR2175 SCHEMATICPART NUMBER: 352-7175, CHANGE: 00, VERSION: HE Components are shown installed on a fully operable machine with the key and engine off, transmission shifter