cat diagrama hidraaulico 320d
DESCRIPTION
diagrama hidraulico 320D caterpillarTRANSCRIPT
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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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Hydraulic System320D and 320D L Excavator
2011 Caterpillar, All Rights Reserved Printed in U.S.A.
RENR7296-06September 2011
320D:JPD1-UPA6F1-UPFAL1-UPKLM1-UPPCM1-UPKHN1-UPBZP1-UPCXY1-UPJFZ1-UPJGZ1-UPKTF1-UP
320D L:MDE1-UPA8F1-UPA9F1-UPKGF1-UPMGG1-UPTDH1-UPDHK1-UPGDP1-UP
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COMPONENT LOCATION
Description PartNumberMachineLocation
SchematicLocation
Accumulator GPCylinder GP - BoomCylinder GP - BucketCylinder GP - StickFilter GP - Pilot (Hydraulic Oil)Filter GP - Oil (Hydraulic Return)Filter GP - Oil (Hydraulic, Case Drain)Manifold GP - Control (Pilot Oil)Motor GP - SwingMotor GP - Travel (Left)
Pump GP - Piston (Main)Swivel GPValve GP - Check (Oil Cooler Bypass)Valve GP - Load Control (Boom)Valve GP - Load Control (Stick)Valve GP - Main ControlValve GP - Pilot (Joystick, LH)Valve GP - Pilot (Joystick, RH)Valve GP - Pilot (Travel)Valve GP - Pressure Reducing (Boom, Swing Priority)Valve GP - Shuttle 1
Valve GP - Swing CushionValve GP - Travel Counterbalance (Left)
Note A: Refer to Parts Manual for your specific machine.
Valve GP - Shuttle 2
Motor GP - Travel (Right)
Valve GP - Travel Counterbalance (Right)
164-6981NOTE ANOTE ANOTE A158-8987188-4140126-2075215-5037158-8986209-5992
272-6955234-4440201-9329255-5683255-5680259-7464270-5951270-5952270-5947232-4102185-0462259-7732158-9085137-3718
209-5992
137-3718
A-4E-2E-2E-7A-4A-6A-6A-5E-5
E-4A-2D-4A-7C-2C-5C-2C-7C-6D-7A-4B-7B-3D-5D-5
E-5
D-4
123456789
10
121314151617181920212223242526
11
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TAP LOCATION
TapNumber Description
SchematicLocation
AA Pilot Filter Pressure Test PortBB Idler Pump Pressure Test PortCC Drive Pump Pressure Test PortDD Power Shift Pressure Test Port
SOS Hydraulic Oil Sampling Port
A-4B-3A-3A-2A-3
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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
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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
-
RE
NR
7296-0
61
6 P
ag
e,
(Dim
en
sio
ns
: 3
4 i
nc
he
s x
24
in
ch
es
)
A
B
C
D
E
1234567
A
B
C
D
E
1234567
HYDRAULIC CIRCUIT COLOR DESCRIPTIONSPILOT PUMP OUTPUT
COMBINED LEFT AND RIGHT PUMP SIGNAL PRESSURE
IMPLEMENT AND LEFT TRAVEL PUMP OUTPUTPOWER SHIFT CONTROL CIRCUITSUPPLY LINESHUTTLE VALVE CONTROL CIRCUITSTICK CONTROL AND STICK CYLINDER CIRCUITLEFT TRAVEL CONTROL AND LEFT TRAVEL MOTOR CIRCUITATTACHMENT CONTROL CIRCUITSWING CONTROL AND SWING MOTOR CIRCUITDRAIN / RETURN LINESWING BRAKE CONTROL CIRCUITIMPLEMENT AND RIGHT TRAVEL PUMPTRAVEL SPEED CONTROL CIRCUITBUCKET CONTROL AND BUCKET CYLINDER CIRCUITRIGHT TRAVEL CONTROL AND RIGHT TRAVEL MOTOR CIRCUITBOOM CONTROL AND BOON CYLINDER 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 - CONTROL 138-1234
Callout Number(Machine Location from
Component LocationsTable)
ComponentName
Part Number
aR3
RCV-C
RCV-B
RCV-A
aR4 bR3 bR4 bL3 bL2 bL4 aL2
bL4bL3 bL2
bL1 bR1 bR3bR4
bR1 aR1aL1 bL1
aR3
aR4aR1
aL1aL2
AL3 BL3
AL2BL2
BR1BL1 AL1 AR1
AR3 BR3 AR4 BR4
BR3 AR3
AR4
BR4
BR1
AR1
AL1AL2
AL3BL3
BL2 BL1
TRAVEL(L) TRAVEL(R)
(20) VALVE GPPILOT (TRAVEL)
270-5947
T1 T5BACKFWDBACK FWD
T2 T4 T6 T3
JLP JLTSTICK SWING
OUTJL1
INJL3
R LJL2 JL4
BUCKET BOOM
OPEN CLOSE DOWN UPJR1JR2 JR3JR4
A1 A2 A3 A4 A5 A6 A7 A8
B1 B2 B3 B4 B5 B6 B7 B8
(4) CYLINDER GPSTICK
P2 Pi1 DR1
DR2
DR3 DR4 DR5 DR6
P-IN PSA1
PAC
PSA2
T-OUT1
T-O
UT2
Pi2
A
CB
D E F
G
(14) VALVE GPCHECK (OIL COOLER BYPASS)
201-9329
(6) FILTER GPOIL (HYDRAULIC RETURN)
188-4140
(7) FILTER GPOIL (HYDRAULIC, CASE DRAIN)
126-2075
(22) VALVE GPSHUTTLE 1
185-0462
(8) MANIFOLD GPCONTROL (PILOT OIL)
215-5037
JRT
(18) VALVE GPPILOT (JOYSTICK, LH)
270-5951
(19) VALVE GPPILOT (JOYSTICK, RH)
270-5952
(1) ACCUMULATOR GP164-6981
NO
.1
(TR
AVE
L)
NO
.2(S
WIN
G)
NO
.3(L
OC
K)
TRAVEL MOTOR (LEFT) TRAVEL MOTOR (RIGHT)
Pp3
BG
Pp3
BG
T1
T2
T1
T2
AG AG
ABA B
(3) CYLINDER GPBUCKET
(2) CYLINDER GPBOOM
M2G2
G1 M1A3
A1
S1
S3
A2
Pm
Pi
Pn1
Pn2
Ps2
Ps1PsM1
Dr1
Dr2
DrM
PsM2
HL Di2
STICK(2)BOOM(1)ATCH BUCKETTRAVEL(R)TRAV
EL(
L)
SWINGSTI
CK
(1)
BOOM(2)
Pi2 Pi3 Di3 DST PL PR bR2 Di1 HR
AL4
SEE LOC A-7
SEE LOC A-7
aL4
SPiSD
r
SP3
Di4 Pi4 Pi1
BP3 BD
r
BP
i
R3aR5AR5BR5
BTBP1
AR
2B
R2
aR2
(UP)
(OUT)
(IN)
(R)
(L)
(FWD)
(REV)
(FWD)
(REV)
(OPEN)
(CLO
SE
)
(UP)
(DOWN)
(OUT)
PG
DR
MU
BG AG
AB
SWING MOTOR
P1 P2
T
A1 A2B1 B2
aL3
(9) MOTOR GPSWING158-8986
(24) VALVE GPSWING CUSHION158-9085
(10) MOTOR GPTRAVEL (LEFT)
209-5992
(25) VALVE GPTRAVEL COUNTERBALANCE (LEFT)
137-3718
(11) MOTOR GPTRAVEL (RIGHT)209-5992
(26) VALVE GPTRAVEL COUNTERBALANCE (RIGHT)137-3718
(13) SWIVEL GP234-4440
(15) VALVE GPLOAD CONTROL (BOOM)255-5683
(16) VALVE GPLOAD CONTROL (STICK)
255-5680
(17) VALVE GPMAIN CONTROL259-7464
(12) PUMP GPMAIN272-6955
RCV: RETURN CHECK VALVE
(5) FILTER GPPILOT (HYDRAULIC OIL)158-8987
bR5
INOUT
T
DR A1B1
PG
U
FRRR(21) VALVE GPPRESSURE REDUCING(BOOM, SWING PRIORITY)232-4102
(23) VALVE GPSHUTTLE 2259-7732
PC
P1
JRP
T
BP2
PUMPRIGHT
PUMPLEFT
PILOT
I
D
TRAVEL BRAKETRAVEL BRAKE
PRESSURE SWITCH PRESSURE SWITCH
PRESSURE SWITCH
SLOWRETURN BYPASS
OIL COOLER
TRAVELSPEED
SWINGPRIORITY
ACTIVATION
HYDRAULIC
PRESSURESENSOR
PROPORTIONALREDUCING VALVE
MAINRELIEF
PRESSURE SENSOR
RCV-C
RCV-A
RCV-BSEE LOC A-7
SEE LOC C-2
SEE LOC E-6
SEE LOC C-6
HL
HR
PL
PL
PR
PRHL
HR
AA SOSCC
BB
DD
Components are shown installed on a fully operable machine with the key and engine off,and with parking brake set.Refer to the appropriate Service Manual for Troubleshooting, Specifications and Systems Operations.
SCHEMATIC PART NUMBER: 259-7469, CHANGE: 01, VERSION: HEMEDIA NUMBER: RENR7296-06 THIS SCHEMATIC IS FOR THE 320D AND 320D L EXCAVATOR HYDRAULIC SYSTEM
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MACHINE COMPONENT LOCATIONS
26
2322
21
201918
14
11
8
4
3
2
1
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FILTER GP
SOS AA7 6 5
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MOTOR GP - PISTON (TRAVEL)
25
10
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MOTOR GP - SWING AND SWIVEL
24 139
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PUMP GP - PISTON (MAIN)
DD
CC
BB
12
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VALVE GP - MAIN CONTROL
17
1615
FeaturesCover PageInformationComponent LocationTap LocationFluid Power SymbolsElectrical Symbols
SchematicMachine ViewsMachine Component LocationsFilter GpMotor Gp - Piston (Travel)Motor Gp - Swing And SwivelPump Gp - Piston (Main)Valve Gp - Main Control
001_callout:
004_callout:
005_callout:
006_callout:
007_callout:
008_callout:
009_callout:
010_callout:
012_callout:
014_callout:
015_callout:
017_callout:
018_callout:
019_callout:
020_callout:
021_callout:
022_callout:
023_callout:
024_callout:
025_callout:
002_callout:
003_callout:
011_callout:
013_callout:
016_callout:
026_callout:
027_callout:
031_callout:
028_callout:
029_callout:
030_callout:
e_02_grid:
a_04_grid:
a_06_grid:
e_05_grid:
c_02_grid:
d_05_grid:
d_04_grid:
a_03_grid:
a_02_grid:
b_03_grid:
a_05_grid: a_07_grid: b_07_grid: c_05_grid: c_06_grid: c_07_grid: d_07_grid: e_04_grid: e_07_grid: 001_a_04_grid_v01: 002_e_02_grid_v01: 003_e_02_grid_v01: 004_e_07_grid_v01: 008_a_05_grid_v01: 011_e_04_grid_v01: 014_a_07_grid_v01: 018_c_07_grid_v01: 019_c_06_grid_v01: 020_d_07_grid_v01: 021_a_04_grid_v01: 022_b_07_grid_v01: 023_b_03_grid_v01: 026_d_04_grid_v01: 006_a_06_grid_v02: 007_a_06_grid_v02: 005_a_04_grid_v02: 025_d_05_grid_v03: 010_e_05_grid_v03: 013_d_04_grid_v04: 009_e_05_grid_v04: 024_d_05_grid_v04: 012_a_02_grid_v05: 015_c_02_grid_v06: 017_c_02_grid_v06: 016_c_05_grid_v06: 027_a_04_grid_v02: 031_a_03_grid_v02: 028_b_03_grid_v05: 030_a_02_grid_v05: 029_a_03_grid_v05: 0001_grid_spacer: restore_callouts: