UENR0413August 2014

Quick Coupler

316E ExcavatorHydraulic System - AttachmentDZW1-UPYZZ1-UP

Printed in U.S.A.© 2014 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

T

UE

NR

0413

30

Pa

ge

, (D

ime

ns

ion

s:

39

in

ch

es

x 2

8 i

nc

he

s)

Tap LocationsPressure, Sampling, and Sensor

TapNumber Description Schematic

Location

MACHINE COMPONENT LOCATIONS

WORK TOOL CONTROL (FRONT VIEW)

GG

42

3149 1035 36 23

34

11

GG Boom Lowering Pilot Pressure D-7

A-5EE Idler Pump NFC PressureA-5FF Drive Pump NFC Pressure

SOS Hydraulic Oil Sampling Port A-3PG Pilot Pump Delivery Pressure A-3

D Case Drain Pressure A-2

M2 Idler Pump Delivery Pressure B-3M1 Drive Pump Delivery Pressure A-3

PsM Power Shift Pressure A-2

MAIN CONTROL VALVE

BOTTOMVIEW

TOPVIEW

FWD33

19 22

18

27

26

14

32

21

20

29

30

OPERATORPLATFORM

MAIN CONTROLVALVE

HYDRAULICTANK

28

37

18

25

Description PartNumber

MachineLocation

SchematicLocation

Accumulator Gp 164-6981 1 B-4Cylinder Gp - Boom 360-4557 2 F-3Cylinder Gp - Bucket 360-4563 3 F-2Cylinder Gp - Stick 360-4560 4 F-2Filter and Valve Gp - Pilot (Hydraulic Oil) 158-8987 5 B-3Filter Gp - Case Drain 289-8194 6 A-3Filter Gp - Return Oil 259-0869 7 A-4Manifold Gp - Control (Pilot Oil Supply) 215-5037 8 B-5Motor Gp - Left Travel 185-6953 9 F-8Motor Gp - Right Travel 185-6953 10 F-7 Motor Gp - Swing 364-0978 11 F-5Pump Gp - Main Hydraulic 349-9085 12 A-3Screen Gp - Hydraulic 259-0920 13 A-4

Sensor Gp - Pressure (Boom Down Control) 338-6970 1514

A-7Sensor Gp - Pressure (Boom Cylinder Head End) 338-6971 F-3

Sensor Gp - Pressure (Negative Flow Control 1) 338-6970 16 A-5 Sensor Gp - Pressure (Negative Flow Control 2) 338-6970 17 A-4 Sensor Gp - Pressure (Drive Pump) 338-6971 18 C-4 Sensor Gp - Pressure (Idler Pump) 338-6971 19 C-4 Sensor Gp - Pressure (Swing Control) 338-6970 20 A-5 Switch As - Pressure (Implement) 319-4407 21 A-6 Switch As - Travel Pressure 349-5406 22 E-5 Swivel Gp 162-4696 23 E-8Tank and Filter Gp - Hydraulic 348-1230 24 A-4Valve Gp - Check (Cooler Bypass) 171-0002 25 C-2 Valve Gp - Joystick (Left Hand) 323-7948 26 A-8Valve Gp - Joystick (Right Hand) 323-7947 27 A-7 Valve Gp - Main Control 335-0495 28 D-4Valve Gp - Pilot (Travel) 310-0415 29 B-8 Valve Gp - Pressure Reducing (Boom Priority) 352-7065 30 C-2 Valve Gp - Pump Control (Negative Flow) 310-0107 31 A-5 Valve Gp - Shuttle 323-7560 32 A-6 Valve Gp - Solenoid and Pressure Reducing (Boom Lowering) 323-7894 33 D-7Valve Gp - Swing Cushion 158-9085 34 F-6

Component Location

316E STANDARD

Valve Gp - Travel Left Counterbalance 199-0504 3536

E-8 Valve Gp - Travel Right Counterbalance 199-0504 E-7

37Valve Gp - Solenoid (Quick Coupler) 328-2035 F-4Attachment: Quick Coupler

MAIN HYDRAULIC PUMP AND TANK

PGSOS 5

M2

7

612

13

24FF

D

M1

EE

PsM

31

16

17

UE

NR

0413

30

Pa

ge

, (D

ime

ns

ion

s:

39

in

ch

es

x 2

8 i

nc

he

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: QUICK COUPLER

SCHEMATIC PART NUMBER: 344-4499, CHANGE: 01, VERSION: HEMEDIA NUMBER: UENR0413

THIS SCHEMATIC IS FOR THE 316E EXCAVATOR HYDRAULIC SYSTEM

Note: 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

LINE PATTERNS

Drain / Return Lines

Component Group

Pilot / Load Sensing Pressure

Pressure Line

Attachment

Air Line

CALLOUTS

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

HYDRAULIC CIRCUIT COLOR DESCRIPTIONSPILOT PUMP OUTPUTIDLER PUMP OUTPUTSTEERING CIRCUITSUPPLY LINESTICK CYLINDER CONTROL CIRCUITLEFT TRAVEL MOTOR CONTROL CIRCUITATTACHMENT CONTROL CIRCUITSWING MOTOR CONTROL CIRCUITDRAIN / RETURN LINESWING BRAKE CONTROL CIRCUITDRIVE PUMP OUTPUTTRAVEL SPEED CONTROL CIRCUITBUCKET CYLINDER CONTROL CIRCUITRIGHT TRAVEL MOTOR CONTROL CIRCUITBOOM CYLINDER CONTROL CIRCUIT

(OUT) (R)

PSW PTAbR5

(DOWN)

(UP) (CLOSE)

R2

T(OPEN)(IN)

pB1

(DOWN)

dST1

(L)(IN)

R1

(FWD)(FWD)

(BACK) (BACK)

(UP)

Dr

PsM1

Pn1

PmM1

A1

S3

S1

A2

M2

A3

Pi

Pn2

(OUT)

PAC

DR2

DR3 DR4 DR5 DR6

DR1

P-IN

Pi1

Pi2

PSA2 PSA1

P1

P2

T-OUT2

T-OUT1

(FWD)

(BACK)(BACK)

(FWD)

TT

TP

T1

T2

T3

T4

CP1

CP2 bL3 BL3 AL3bL5

JR3(UP)

JR2(OPEN)

JR4(CLOSE)

JR1(DOWN)

JL3(IN)

JL1(OUT)

JL4(L)

JL2(R)

DrM

PG

INOUT

T

PC

TRAVEL(L) TRAVEL(R)

JLP

JLT

JRT

JRP

BOOM

BOOMSTICK

STICKSWING

SWING

BUCKET

BUCKET

A

BC

D

E

F

T

A1

P

A2B1B2

A BOOM REGENREPRV

NFC2 LIMITEPRV

NFC1 LIMITEPRV

PS PRESSEPRV

TRAVEL SPEEDCHANGE SOL

SWING BRAKESOL

HYD LOCKSOL

QUICK COUPLER UNLOCK SOL

P

(BOOM REGEN)

T

A

TB

P

aL6aL3PRg PLg

INOUT

B4

B7B1

B3

B6

B5

B2

DB1

DB2DB3

DB4

DB5 DB6

PB4PB5

PB6PB3 PB2

PB1

2 SPEEDTRAVEL

CONTROL

B A

DR

PR

SWING MOTOR

SWGPRKG BKCONTROL

SWGMOTORDRAIN

B1 A1DR

BG AG

SWGPRKG BKCONTROL

DRAINFILTER

NO

.1

(TR

AVE

L)

NO

.2(S

WIN

G)

NO

.3(L

OC

K)

HRHL

NFC-B2 NFC-A2

NFC-B2

NFC-A2

HR

HL

aL2

aL1aR1

aR2

aR3

bR3

bR2

bR1 bL1

bL2

bL4 QC-P

QC-P

aL4

bL1

aL1

aL5

aL5

bR1

aR1

bR3 aR2

bR2

bL4 aL4

bL2aL2

A1 A2 A3 A4 A5 A6 A7 A8

B1 B2 B3 B4 B5 B6 B7 B8C1 C2 C3 C4

aR3

STI

CK

(R)

BO

OM

(2)

STI

CK

(2)

BU

CK

ET

ATC

H

BO

OM

(1)

TRAV

EL(

R)

TRAV

EL(

L)

SW

ING

STI

CK

(1)

dB1

dB1

MU

QC-Dr

bL6bL6

bL5

bL5 dB

BLCV-Dr

dB

R.C.V-D

R.C.V-D

PRV-Dr

bR4

aR3-1

aR3-1

aR5

aR5

MU

dA1

dA1

PP

NFC- Pi

NFC- Pi

NFC- Dr

NFC- Dr

PP

MF-Pi

dB1-1

dB1-1

MF-Pi

dA

dA

PD-Dr

PD-Dr

PD-Pi

PD-Pi

PA1

PA1

bR4

aL2-1

aL2-1

SHTL-A2

SHTL-A5

SHTL-A4

SHTL-A7

SHTL-A6 SHTL-A8

SHTL-A1 SHTL-A3

PRV-Dr

SHTL-A1

SHTL-A2

SHTL-A4

SHTL-A5

SHTL-A6 SHTL-A3

SHTL-A7

SHTL-A8

MF-DrQC-Dr

MF-Dr

BR3AR1

BR1

BL1

AL1

AR3

BR2

AR2

BR1

AR1

PR

PR

PL

PL

BL1

AL1 AL2 BL2

AL2 BL2

BL4

BL4

AL4

BR2 AR2

AL4

M1FF

SOSPG

EE

GG

M2

PsM

D

(28) VALVE GPMAIN CONTROL

335-0495

(22) SWITCH ASTRAVEL PRESSURE

349-5406

(29) VALVE GPPILOT (TRAVEL)

310-0415

(33) VALVE GPSOLENOID AND PRESSURE REDUCING(BOOM LOWERING)323-7894

(26) VALVE GPJOYSTICK (LEFT HAND)

323-7948

(27) VALVE GPJOYSTICK (RIGHT HAND)

323-7947

(15) SENSOR GP PRESSURE

(BOOM DOWN CTRL)338-6970

(20) SENSOR GPPRESSURE (SWING CTRL)

338-6970

(16) SENSOR GPPRESSURE NFC1

338-6970

(31) VALVE GPPUMP CONTROL

(NEGATIVE FLOW)310-0107

(32) VALVE GPSHUTTLE323-7560

(8) MANIFOLD GPCONTROL (PILOT OIL SUPPLY)215-5037

(17) SENSOR GPPRESSURE NFC2338-6970

(14) SENSOR GPPRESSURE (BOOMCYLINDER HEAD END)338-6971

(2) CYLINDER GPBOOM

360-4557

(37) VALVE GPSOLENOID(QUICK COUPLER)328-2035

(34) VALVE GPSWING CUSHION

158-9085

(11) MOTOR GPSWING364-0978

(5) FILTER AND VALVE GPPILOT (HYDRAULIC OIL)158-8987

(12) PUMP GPMAIN HYDRAULIC349-9085

(30) VALVE GPPRESSURE REDUCING(BOOM PRIORITY)352-7065

(25) VALVE GPCHECK(COOLER BYPASS)171-0002

(3) CYLINDER GPBUCKET360-4563

AR3 BR3

(4) CYLINDER GPSTICK360-4560

(19) SENSOR GPPRESSURE (IDLER PUMP)

338-6971(18) SENSOR GP

PRESSURE (DRIVE PUMP)338-6971

(7) FILTER GPRETURN OIL

259-0869

(24) TANK AND FILTER GPHYDRAULIC

348-1230

(13) SCREEN GPHYDRAULIC259-0920

(6) FILTER GPCASE DRAIN

289-8194

(1) ACCUMULATOR GP164-6981

(21) SWITCH ASPRESSURE (IMPLEMENT)

319-4407

(9) MOTOR GPLEFT TRAVEL185-6953

(10) MOTOR GPRIGHT TRAVEL185-6953

(35) VALVE GPTRAVEL LEFT

COUNTERBALANCE199-0504

(36) VALVE GPTRAVEL RIGHTCOUNTERBALANCE199-0504

Pp3

B ABA

T1

Pp3

TRAVEL MOTOR (LEFT) TRAVEL MOTOR (RIGHT)

T2 T2

T1

AG BGBG

2 SPEEDTRAVEL

CONTROL

DRAINFILTER

SWGMOTORDRAIN

AG

(23) SWIVEL GP162-4696

C2C1

UNLOCK LOCK

P T