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ACOPLE 2
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INTERACTIVE SCHEMATIC
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Cover PageInformation
SchematicMachine Views
Component TableTap Table
Fluid Power Symbols
Electrical Symbols
Front Frame
Rear Frame
Tap Views
Features
Options
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
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