UENR5986UENR5986-00_SIS

UENR5986May 2015

Stick Lowering Control Valve

336F XE ExcavatorHydraulic System - AttachmentKGH1-UPLTP1-UPMTW1-UPDFY1-UP

Printed in U.S.A. 2015 Caterpillar, All Rights Reserved

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)

PUMP(2 - SECTION)

SPRING(ADJUSTABLE)

VARIABILITY LINE RESTRICTION(VARIABLE)

PRESSURECOMPENSATION

PUMP(VARIABLE & PRESSURE

COMPENSATED)

MEASUREMENT

PRESSURE TEMPERATURE FLOW

ROTATING SHAFTS

UNIDIRECTIONAL BIDIRECTIONAL

PUSH - PULL LEVER PEDALGENERAL MANUAL PUSH BUTTON SPRING

FIXEDDISPLACEMENT

VARIABLE DISPLACEMENTNON-COMPENSATED

UNIDIRECTIONAL

BIDIRECTIONAL

VALVE ENVELOPES VALVE PORTS

FLUID CONDITIONERPUMP OR MOTOR

FLUID POWER SYMBOLS

UNIDIRECTIONAL

BIDIRECTIONAL

RELEASED PRESSURE

EXTERNAL RETURN INTERNAL RETURN

REMOTE SUPPLY PRESSURE

SIMPLIFIED

HYDRAULIC PUMPS

ACCUMULATORS

SPRING LOADED GAS CHARGED

SOLENOID OR MANUAL

SOLENOID & PILOT

SOLENOID &PILOT OR MANUAL

SOLENOID SERVO THERMAL DETENT

HYDRAULIC & PNEUMATIC CYLINDERS

DOUBLE ACTINGSINGLE ACTING

BASICSYMBOL

SPRINGLOADED

CHECK VALVES

2 POSITIONINFINITE

POSITIONING

FLOW IN ONEDIRECTION

FLOW INEITHER

DIRECTION

3 POSITION

CROSSFLOW

PARALLELFLOW

INTERNAL PASSAGEWAYS

NORMAL POSITION

A B

P T

A B

P TSHIFTED POSITION INFINITE POSITION

CONTROL VALVES

ATTACHMENT

MANUAL SHUTOFF

SHUTTLE PILOTCONTROLLED

MAIN AUX

LINE RESTRICTION(VARIABLE & PRESSURE

COMPENSATED)

MANUAL CONTROL SYMBOLS

HYDRAULIC MOTORS

FLUID STORAGE RESERVOIRS

CROSSING & JOINING LINES

VALVES

PILOT CONTROL SYMBOLS

COMBINATION CONTROLS

BASIC COMPONENT SYMBOLS

ENERGY TRIANGLESHYDRAULIC PNEUMATIC

INTERNALSUPPLY PRESSURE

COMPLETE

FIXEDDISPLACEMENT

VARIABLE DISPLACEMENTNON-COMPENSATED

HYDRAULIC SYMBOLS (ELECTRICAL)

ELECTRICAL SYMBOLS TABLE

325-AG135 PK-14

HARNESS IDENTIFICATION CODE THIS EXAMPLEINDICATES WIRE 135 IN HARNESS AG

325-PK-14

WIRE GAUGE

WIRE COLOR

CIRCUIT NUMBERIDENTIFICATION

WIRE NUMBER IDENTIFICATION CODES

CURRENT STANDARD

PREVIOUS STANDARD

ELECTRICAL SCHEMATIC EXAMPLE HYDRAULIC SCHEMATIC EXAMPLE

325-PK

WIRE COLORCIRCUIT NUMBER

IDENTIFICATION

B

WIRE

WIRE

(EXAMPLE VALVE)

CURRENT STANDARD

TRANSDUCER(FLUID)

MELECTRIC MOTORTRANSDUCER

(GAS / AIR)

G

GENERATOR

PRESSURE SWITCH ELECTRICAL WIREPRESSURE SWITCH(ADJUSTABLE)

TEMPERATURESWITCH

PRESSURESWITCH

TEMPERATURESWITCH

LEVELSWITCH

FLOWSWITCH

ELECTRICAL SYMBOLS (ELECTRICAL)

A

CIRCUIT NUMBERIDENTIFICATION

WIRECOLOR

WIRE GAUGE

U

E

N

R

5

9

8

6

3

0

P

a

g

e

,

(

D

i

m

e

n

s

i

o

n

s

:

3

9

i

n

c

h

e

s

x

2

8

i

n

c

h

e

s

)

PUMP - RIGHT SIDE VIEW

STICK LOWERING CONTROL

MACHINE - RIGHT SIDE VIEW

MAIN CONTROL - REAR VIEWCAB - TOP VIEW

32

1 818

26

3

7211 4139

40

Stick Cylinder

34

4

5

6

10

9

13

14

31

12

15

19

22

17

16

20

21

27

23

3024 25

28

29

33

CC

PG

SOS

BB

AA

38

35

37

36

Description PartNumberSchematicLocation

MachineLocation

Accumulator Gp - Make Up (Charged) 458-5854 C-3 1Accumulator Gp - Pilot (Charged) 455-1904 D-1 2Accumulator Gp - Swing (Charged) 451-6182 D-4 3Filter & Valve Gp - Pilot (Hydraulic Oil) 158-8987 B-4 4Filter Gp - Oil (Case Drain) 289-8194 A-4 5Filter Gp - Oil (Hydraulic Return) 188-4145 A-4 6Manifold Gp - Control (Pilot Oil Supply) 215-5037 E-2 7Motor Gp - Swing 334-9979 C-2 8Motor Gp - Travel (LH) 355-5668 F-5 9Motor Gp - Travel (RH) 355-5668 F-4 10Pump Gp - Main Hydraulic 377-4950 B-2 11Sensor Gp - Pressure (Boom Cylinder, Extend) 338-6971 B-6 12Sensor Gp - Pressure (Boom Cylinder, Retract) 338-6971 B-8 13Sensor Gp - Pressure (Bucket, Extend) 338-6971 B-8 14Sensor Gp - Pressure (Bucket, Retract) 338-6971 C-6 15Sensor Gp - Pressure (Drive Pump) 338-6971 C-5 16Sensor Gp - Pressure (Idler Pump) 338-6971 C-8 17Sensor Gp - Pressure (Make Up Accumulator) 338-6971 C-3 18Sensor Gp - Pressure (Stick Cylinder, Extend) 338-7391 E-8 19Sensor Gp - Pressure (Stick Cylinder, Retract) 338-7391 E-6 20Sensor Gp - Pressure (Swing , LH) 338-6971 F-6 21Sensor Gp - Pressure (Swing , RH) 338-6971 F-8 22Sensor Gp - Pressure (Swing Accumulator) 338-6970 C-4 23Sensor Gp - Pressure (Travel, LH) 338-6970 F-3 24Sensor Gp - Pressure (Travel, RH) 338-6970 F-2 25Swivel Gp 234-4440 E-4 26Valve Gp - Check (Return) 369-8554 D-8 27Valve Gp - Control (Swing Energy Recovery) 378-9365 C-4 28Valve Gp - Main Control 426-4759 F-7 29Valve Gp - Pilot (Travel) 369-8502 F-2 30Valve Gp - Solenoid (Main & Swing Relief) 190-7820 E-3 31Valve Gp - Travel Counterbalance (LH) 322-8714 E-5 32Valve Gp - Travel Counterbalance (RH) 322-8714 E-4 33

Housing 171-0049 E-1 34Sensor Gp - Pressure (Boom Cylinder, Head End) 338-6971 A-5 35Valve Gp - Load Control (Boom Cylinder) (LH) 435-4381 B-5 36Valve Gp - Load Control (Boom Cylinder) (RH) 435-4381 B-5 37Valve Gp - Manual (Boom Lower) 335-0512 A-5 38Valve Gp - Solenoid (Boom, Pressure Reducing) 171-0028 E-1 39

Valve Gp - Check and Relief (Stick Cylinder) 470-6883 E-1 40Valve Gp - Solenoid (Stick, Pressure Reducing) 171-0028 F-1 41

Component Locations

Attachment - Smart Boom

Attachment - Stick Lowering Control

TapNumber Description

SchematicLocation

AA Drive Pump Pressure C-3BB Idler Pump Pressure A-3CC Case Drain Pressure B-3PG Pilot Pressure B-3

SOS Oil Sampling Port B-3

Tap LocationsPressure, Sampling, and Sensor

UE

N

R

5

9

8

6

3

0

P

a

g

e

,

(

D

i

m

e

n

s

i

o

n

s

:

3

9

i

n

c

h

e

s

x

2

8

i

n

c

h

e

s

)

Components are shown installed on a fully operable machine with the key and engine off, transmission shifterin neutral and with parking brake set.Refer to the appropriate Service Manual for Troubleshooting, Specifications and Systems Operations.

ATTACHMENT: STICK LOWERING CONTROL VALVE

SCHEMATIC PART NUMBER: 463-3488, CHANGE: 01, VERSION: HE

THIS SCHEMATIC IS FOR THE 336F XE EXCAVATOR HYDRAULIC SYSTEM

MEDIA NUMBER: UENR5986

Refer to the Parts Manual using a specific serial number prefix in SIS before ordering parts from this schematic.

12345678

A

B

C

D

E

F

12345678

A

B

C

D

E

F

HYDRAULIC CIRCUIT COLOR DESCRIPTIONSPILOT PUMP OUTPUTDRIVE PUMP OUTPUTLEFT TRAVEL CONTROL CIRCUITSUPPLY LINESTICK CONTROL CIRCUITATTACHMENT CIRCUITSWING CONTROL CIRCUITDRAIN / RETURN LINESWING BRAKE CONTROL CIRCUITIDLER PUMP OUTPUTTRAVEL SPEED CONTROL CIRCUITBUCKET CONTROL CIRCUITRIGHT CONTROL CIRCUITBOOM CONTROL CIRCUIT

LINE PATTERNS

Drain / Return Lines

Component Group

Pilot / Load Sensing Pressure

Pressure Line

CALLOUTS

Taps (Pressure, Sampling, Sensor - by letter)YY

(52) VALVE GP - CONTROL138-1234

Callout Number(Machine Location from

Component LocationsTable)

ComponentName

Part Number

Connectors (By letter)DL DL D

Air Line

(1) ACCUMULATOR GPMAKE UP (CHARGED)

(2) ACCUMULATOR GPPILOT (CHARGED)

(3) ACCUMULATOR GPSWING (CHARGED)

(4) FILTER & VALVE GPPILOT (HYDRAULIC OIL)

(5) FILTER GPOIL (CASE DRAIN)

(6) FILTER GPPILOT

(HYDRAULIC RETURN)

(7) MANIFOLD GPCONTROL (PILOT OIL SUPPLY)

(8) MOTOR GPSWING

(9) MOTOR GPTRAVEL (LH)

(10) MOTOR GPTRAVEL (RH)

(11) PUMP GPMAIN HYDRAULIC

(12) SENSOR GPPRESSURE (BOOM, EXTEND)

(15) SENSOR GPPRESSURE (BUCKET, RETRACT)

(13) SENSOR GPPRESSURE

(BOOM CYLINDER, RETRACT)

(14) SENSOR GPPRESSURE (BUCKET, EXTEND)

(17) SENSOR GPPRESSURE (IDLER PUMP)

(16) SENSOR GPPRESSURE (DRIVE PUMP)


(MAKE UP ACCUMULATOR)


(STICK CYLINDER, EXTEND)

(20) SENSOR GPPRESSURE(STICK CYLINDER, RETRACT)

(21) SENSOR GPPRESSURE (SWING, LH)

(22) SENSOR GPPRESSURE (SWING, RH)


(SWING ACCUMULATOR)

(24) SENSOR GPPRESSURE (TRAVEL, LH)

(25) SENSOR GPPRESSURE (TRAVEL, RH)

(26) SWIVEL GP

(27) VALVE GPCHECK (RETURN)

(28) VALVE GPCONTROL (SWING ENERGY RECOVERY)

(29) VALVE GPMAIN CONTROL

(30) VALVE GPPILOT (TRAVEL)

(31) VALVE GPCONTROL

(MAIN & SWING RELIEF)

(32) VALVE GPTRAVEL COUNTERBALANCE (LH)

(33) VALVE GPTRAVEL COUNTERBALANCE (RH)

(36) VALVE GPLOAD CONTROL

(BOOM CYLINDER) (LH)

(38) VALVE GPMANUAL (BOOM LOWER)


(BOOM CYLINDER, HEAD END)

(39) VALVE GPSOLENOID

(BOOM, PRESSURE REDUCING)

(40) VALVE GPSOLENOID(STICK, PRESSURE REDUCING)

(34) HOUSING

(37) VALVE GPLOAD CONTROL(BOOM CYLINDER) (RH)

AA

CC

BBPG

SOS55 MAIN RELIEF VALVE SOL54 ACCUMULATOR DRAIN VALVE53 HYD LOCK SOL52 TRAVEL SPEED CHANGE SOL

51 SWING RELIEF VALVE SOL50 SWING BREAK SOL

49 ESP PUMP PRV248 ESP PUMP PRV147 PUMP 2 BYPASS CUT PRV46 PUMP 1 BYPASS CUT PRV45 STRAIGHT TRAVEL PRV44 FLOW COMBINER PRV43 STICK SIDE WARM-UP SOL42 BOOM SIDE WARM-UP SOL41 ACCUMULATOR DISCHARGE PRV40 ACCUMULATOR CHARGE PRV39 STICK ANTI DRIFT VALVE38 BOOM ANTI DRIFT VALVE37 PUMP 2 DISP SENSOR36 PUMP 1 DISP SENSOR

IDENT MACHINE ECM CONNECTOR

22 SWING LEFT MT PRV+ 21 SWING LEFT PM PRV+20 SWING RIGHT MT PRV+ 19 SWING RIGHT PM PRV+16 STICK RE CT PRV+ (RETRACT)15 STICK RE PC PRV+ (RETRACT)14 STICK HE CT PRV+ (EXTEND)13 STICK HE PC PRV+ (EXTEND)10 BUCKET RE CT PRV+ (RETRACT)9 BUCKET RE PC PRV+ (RETRACT)8 BUCKET HE CT PRV+ (EXTEND)7 BUCKET HE PC PRV+ (EXTEND)4 BOOM RE CT PRV+ (RETRACT)3 BOOM RE PC PRV+ (RETRACT)2 BOOM HE CT PRV+ (EXTEND)1 BOOM HE PC PRV+ (EXTEND)

IDENT VALVE ECM CONNECTOR

STICK CYLINDER

BUCKET CYLINDER

(R)

T

OUT

PG PC

IN

DRAINFILTER

A2

A1

S1

DrM

M4

M1

M2

S3

Dr

A3

M3

TRAVEL MOTOR (LEFT) TRAVEL MOTOR (RIGHT)

Pp3

BA B A

AG AGBG BG

T2T2

T1 T1

Pp3

(FWD) (FWD)(BKWD) (BKWD)

2 SPEEDTRAVELCONTROL

DRAINFILTER

SWGMOTORDRAIN

TP

TT

TRAVEL(L) TRAVEL(R)

(FWD) (BKWD) (FWD)(BKWD)T1T5T2 T4T6T3

DR6T-OUT1DR5Pi2DR4DR3

P2 P-IN PSA2 DR1 PSA1 DR2T-OUT2Pi1

PAC

SWGPRKG BKCONTROL

2 SPEEDTRAVELCONTROL

P1

53

50

52

D

A

BC

51

P

T

E

A B

MU

DR

PG

SWING MOTORSWGPRKG BKCONTROL

SWGMOTORDRAIN

(L)

A1 B1DR

AG BG

H3RV

H3RM

H3LM

H3LV

458-5854

404154

36

37

49

48

55

A1A2

B2 B1

(LOWER)(UPPER)

A

B

C

D

(LOWER)(UPPER)

H3Acc

L2

L6

R2

R.C.V-C

MF-P

MF-TANK

Q MAX Q MIN

Q MAX Q MIN

P1

P2

R3L3 L4 R4

TrRFTrRBTrLBTrLF

MF-TANKMF-PCV-pL2

CV-pL1 CV-pR1

H3dr

H3HPi

H3pi

SW-BSW-A

MU

L7

R7

SW-A

SW-B

H3dr

H3HPi

H3pi

H3T

H3T

HPi

CV-pL3

CV-dR1

(ROD)

(HEAD)

(HEAD)

(ROD)

(ROD)

(HEAD)

8 7 9 10

38

39

42

4 3 1 2

14 13 15 16

43

PBT

(LEFT)(RIGHT)

T

PS

pl1

pl3

L5 R5

pr2

46

44

45

47

20 1921

22

dl2

(FWD)

(FWD)

(BKWD)

(BKWD)

pl2

tl2

TS

tr2

tr1

pr1

pr3

tl1

dl1

dr1

STICK

SWING

BUCKET

BOOM

R6

L6

R1

L1

R2

L2

AUX

COMBINERTRAVEL (R)

STR TRAVEL

TRAVEL (L)

BYPASS S

BYPASS BT

TrRB

P2

P1

TrLBL3

TrLF

L7 R7

CV-dL1

CV-pL2

CV-pL1

R3

L4

MU

CV-pR3

CV-pR1

TrRF

R4

CV-dR1

CV-pR2

HPi

CV-pR3

CV-pL3

CV-pR2

CV-dL1D

B

C

E

R.C.V-C

455-1904

451-6182

158-8987

289-8194

188-4145

215-5037

334-9979

355-5668 355-5668

377-4950

338-6971

338-6971

338-6971

338-6971

338-6971

338-6971

338-6971

338-6971

338-6971

338-6971338-6971

338-6970

338-6970

338-6970

234-4440

369-8554

378-9365

426-4759369-8502

190-7820322-8714

322-8714

L1

R1

435-4381

338-6971

X

X

Dr

Pi

T

CYL CV

X

Dr

CVCYL

Pi

T

X

335-0512

171-0028

171-0028

171-0049

P T

A1

A2

65

66BLCV-Pi

SLCV-Pi

SOL2-T

SOL2-T

BLCV-Dr

BLCV-Pi

BLCV-T

435-4381

BLCV-Dr

SLCV-Dr 65 BOOM LOWERING CHECK VALVE66 STICK LOWERING CHECK VALVE

(41) VALVE GPCHECK AND RELIEF

(STICK CYLINDER)470-6883

TCV Pi

CYL

DR

R6SLCV-Dr

SLCV-Pi

SLCV-T

Documents

UENR5986UENR5986-00_SIS