INTERACTIVE SCHEMATIC

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Bookmarks X

EC-C3EC-C2 E-C60

EC-C1

E-C61

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©2014 Caterpillar, All Rights Reserved Printed in U.S.A.

UENR0412April 2014

Universal Quick Coupler

316E ExcavatorHydraulic System - AttachmentYZZ1-UP

COMPONENT LOCATION

Description PartNumber

MachineLocation

SchematicLocation

Accumulator Gp 164-6981 Cylinder Gp - Boom 360-4557Cylinder Gp - Bucket 360-4563 Cylinder Gp - Stick 360-4560 Filter and Valve Gp - Pilot (Hydraulic Oil) 158-8987 Filter Gp - Case Drain 289-8194 Filter Gp - Return Oil 259-0869 Manifold Gp - Control (Pilot Oil Supply) 215-5037 Motor Gp - Left Travel 185-6953 Motor Gp - Right Travel 185-6953 Motor Gp - Swing 364-0978 Pump Gp - Main Hydraulic 349-9085 Screen Gp - Hydraulic 259-0920Sensor Gp - Pressure (Boom Cylinder Head End) 338-6971 Sensor Gp - Pressure (Boom Down Control) 338-6970 Sensor Gp - Pressure (Negative Flow Control 1) 338-6970 Sensor Gp - Pressure (Negative Flow Control 2) 338-6970 Sensor Gp - Pressure (Drive Pump) 338-6971 Sensor Gp - Pressure (Idler Pump) 338-6971 Sensor Gp - Pressure (Swing Control) 338-6970 Switch As - Pressure (Implement) 319-4407 Switch As - Travel Pressure 349-5406 Swivel Gp 162-4696 Tank and Filter Gp - Hydraulic 348-1230Valve Gp - Check (Cooler Bypass) 171-0002 Valve Gp - Joystick (Left Hand) 323-7948 Valve Gp - Joystick (Right Hand) 323-7947 Valve Gp - Main Control 335-0495 Valve Gp - Pilot (Travel) 310-0415 Valve Gp - Pressure Reducing (Boom Priority) 352-7065 Valve Gp - Pump Control (Negative Flow) 310-0107 Valve Gp - Shuttle 323-7560Valve Gp - Solenoid and Pressure Reducing (Boom Lowering) 323-7894 Valve Gp - Swing Cushion 158-9085

316E STANDARD

Valve Gp - Travel Left Counterbalance 199-0504 Valve Gp - Travel Right Counterbalance 199-0504

Valve Gp - Control (Quick Coupler) 339-4353Valve Gp - Check 123-4750

Valve Gp - Solenoid (Quick Coupler) 258-6749

Attachment: Universal Quick Coupler

1 B-42 F-43 F-44 F-35 B-36 A-37 A-48 B-59 F-8

10 F-711 F-512 A-313 A-414 F-415 A-716 A-517 A-418 C-419 C-420 A-521 A-622 E-523 E-824 A-425 C-226 A-827 A-728 D-429 B-830 C-231 A-532 A-633 C-734 F-635 E-836 E-7

38 F-137 B-3

39 D-7

TAP LOCATION

TapNumber Description Schematic

Location

Boom Lowering Pilot Pressure

Idler Pump NFC PressureDrive Pump NFC Pressure

Quick Coupler Lock Sol. Valve PressureQuick Coupler Unlock Sol. Valve Pressure

Hydraulic Oil Sampling PortPilot Pump Delivery Pressure

Case Drain Pressure

Quick Coupler Control PressureDrive Pump Delivery Pressure

Power Shift Pressure

GG C-8

A-5EEA-5FF

F-1AAF-1BB

SOS A-3PG A-3

D A-2

M2 B-3M1 A-3

PsM A-2

FLUID POWER SYMBOLS

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)

2-SECTION PUMP

MAIN AUX.

SPRING(ADJUSTABLE)

VARIABILITY LINE RESTRICTION(VARIABLE)

LINE RESTRICTIONVARIABLE and PRESSURE

COMPENSATED

PRESSURECOMPENSATION

PUMP: VARIABLE andPRESSURE COMPENSATED

ENERGY TRIANGLESHYDRAULIC PNEUMATIC

MEASUREMENT

PRESSURE TEMPERATURE FLOW

ROTATING SHAFTS

UNIDIRECTIONAL BIDIRECTIONAL

PUSH-PULL LEVER PEDALGENERAL MANUAL PUSH BUTTON SPRING

MANUAL CONTROL SYMBOLS

HYDRAULIC MOTORS

FIXEDDISPLACEMENT

VARIABLE DISPLACEMENTNON-COMPENSATED

UNIDIRECTIONAL

BIDIRECTIONAL

HYDRAULIC PUMPS

FLUID STORAGE RESERVOIRS

CROSSING AND JOINING LINES

VALVE ENVELOPES VALVE PORTS

BASIC COMPONENT SYMBOLS

FLUID CONDITIONERPUMP or MOTOR

FIXEDDISPLACEMENT

VARIABLE DISPLACEMENTNON-COMPENSATED

UNIDIRECTIONAL

BIDIRECTIONAL

VALVES

PILOT CONTROL SYMBOLSRELEASED PRESSURE

EXTERNAL RETURN INTERNAL RETURN

REMOTE SUPPLY PRESSURE

SIMPLIFIED COMPLETE INTERNALSUPPLY PRESSURE

ACCUMULATORS

SPRING LOADED GAS CHARGED

SOLENOIDor MANUAL

SOLENOIDand PILOT

SOLENOID and PILOT or MANUAL

COMBINATION CONTROLS

SOLENOID SERVO THERMAL DETENT

HYDRAULIC AND PNEUMATIC CYLINDERS

DOUBLE ACTINGSINGLE ACTING

BASICSYMBOL

SPRINGLOADED

CHECK VALVES

TWOPOSITION

INFINITEPOSITIONING

FLOW IN ONEDIRECTION

FLOW ALLOWED INEITHER DIRECTION

THREEPOSITION

CROSSFLOW

PARALLELFLOW

INTERNAL PASSAGEWAYS

NORMAL POSITION

A B

P T

A B

P TSHIFTED POSITION INFINITE POSITION

CONTROL VALVES

ATTACHMENT

MANUAL SHUTOFF

SHUTTLE PILOTCONTROLLED

ELECTRICAL SYMBOLSHydraulic Symbols (Electrical)

325-AG135 PK-14

Circuit IdentificationNumber

Wire Color Wire Gauge

Harness identification codeThis example indicateswire 135 in harness "AG".

325-PK-14

Wire Gauge

Wire Color

Circuit Number Identification

Wire Number Identification Codes

Current Standard

Previous Standard

Electrical Schematic Example Hydraulic Schematic Example

325-PK

Wire ColorCircuit Number Identification

B A

Wire

Wire

(EXAMPLE VALVE)

Current Standard

Transducer(Fluid)

Transducer(Gas / Air)

G

Generator

Electrical WirePressure Switch

MElectric Motor

Pressure Switch (Adjustable)

Temperature Switch

PressureSymbol

TemperatureSymbol

LevelSymbol

FlowSymbol

Electrical Symbols (Electrical)

T

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: UNIVERSAL QUICK COUPLER

SCHEMATIC PART NUMBER: 344-4501, CHANGE: 01, VERSION: HEMEDIA NUMBER: UENR0412

THIS SCHEMATIC IS FOR THE 316E EXCAVATOR HYDRAULIC SYSTEM

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 PTA

(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

QUICK COUPLERBYPASS CUT SOL

NFC2 LIMITEPRV

NFC1 LIMITEPRV

PS PRESSEPRV

TRAVEL SPEEDCHANGE SOL

QUICK COUPLERUNLOCK SOL

SWING BRAKESOL

HYD LOCKSOL

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 bR5

bR5

bR2

bR1 bL1

bL2

bL4

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

bL6bL6

bL5

bL5dB

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

SOL1- Dr

SOL1- Dr

SOL1- Pi

SOL1- Pi

NFC- Dr

UQC- Dr

UQC- 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-Dr

MF-Dr

BR3AR1

BR1

BL1

AL1

AR3

BR2

AR2

BR1

AR1

PR

PR

UQC-Pi

UQC-Pi

PL

PL

BL1

AL1 AL2 BL2 BL4

BL4

AL4

BR2 AR2

AL4AL2 BL2

M1FF

SOSPG

EE

GG

M2

AA BB

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 (LEFTHAND)

323-7948

(27) VALVE GPJOYSTICK (RIGHTHAND)

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

(38) VALVE GPCONTROL

(QUICK COUPLER)339-4353

(2) CYLINDER GPBOOM

360-4557

(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

(37) VALVE GPCHECK

123-4750

(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

(39) VALVE GPSOLENOID(QUICK COUPLER)258-6749

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

UNLOCKLOCK

A BDR

MB

TP

MA

A

P

Dr

MACHINE COMPONENT LOCATIONS

2

3

4

9 10 11 14233435 36

MAIN CONTROL VALVE

BOTTOMVIEW

TOPVIEW

FWD

OPERATORPLATFORM

MAIN CONTROLVALVE

HYDRAULICTANK

18

1922

25

33

GG

MAIN HYDRAULIC PUMP AND TANK

5

6

7

12

1316

17

24

31

3738

39

M1

M2D

PsM

PGSOSAA

BB

EE

FF

WORK TOOL CONTROL (FRONT VIEW)

OPERATORPLATFORM

MAIN CONTROLVALVE

HYDRAULICTANK

18

15

20

21

2627

28

29

30

32