Plano hidráulico

1. INTERACTIVE SCHEMATIC
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Information
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Tap Table
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Electrical Symbols
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Bookmarks X
EC-C3
EC-C2 E-C60
EC-C1
E-C61
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2. Hydraulic System
©2010 Caterpillar, All Rights Reserved Printed in U.S.A.
KENR8245-03
December 2010
Volume 1 of 2: Standard Implement Control Valve Configuration
12K, 120K, 140K, and 160K
Motor Grader
12K:
JJA1-UP
SZP1-UP
120K:
SZN1-UP
JAP1-UP
140K:
JPA1-UP
SZL1-UP
160K:
SZM1-UP
JBP1-UP
Volume 2 of 2: Alternate Implement Control Valve Configurations
SZS1-UP SZW1-UP

3. Volume 1 of 2 - STANDARD IMPLEMENT
CONTROL VALVE CONFIGURATION
COMPONENT LOCATION
Description
Part
Number
Machine
Location
Schematic
Location
Accumulator - Blade Cushion LH 162-7450 1 D-7
Accumulator - Blade Cushion RH 162-7450 2 D-2
Cylinder - Articulation LH 6E-1560 3 D-4
Cylinder - Articulation RH 9T-8784 4 D-3
Cylinder - Blade Lift (LH) 132-4929 5 D-6
Cylinder - Blade Lift (RH) 132-4929 6 D-1
Cylinder - Center Shift 6E-1343 7 D-3
Cylinder - Steering LH 130-9041 8 E-5
Cylinder - Steering RH 130-9042 9 E-4
Cylinder - Wheel Lean 121-9242 10 D-2
Motor - Circle Drive 105-3196 11 D-7
Pump - Implement/Steering 6E-3136 12 B-4
Tank - Hydraulic 214-1984 13 B-7
Unit - Hand Metering 222-3769 14 D-5
Valve - Blade Cushion Accumulator LH 188-9390 15 D-6
Valve - Blade Cushion Accumulator RH 188-9390 16 D-1
Valve - Combination 9T-5957 17 B-5
Valve - Implement Control LH 104-8672 18 C-7
Valve - Implement Control RH 124-3325 19 C-2

4. Volume 2 of 2 - ALTERNATE IMPLEMENT
CONTROL VALVE CONFIGURATION
COMPONENT LOCATION
Description
Part
Number
Machine
Location
Schematic
Location
Cylinder - Blade Tip 131-7191 20 F-7, F-4, F-2, E-6, E-2
Cylinder - Plow/Dozer 314-9338 21 C-6, C-2
Cylinder - Ripper 113-7754 22 F-3
Cylinder - Scarifier 165-2510 23 F-6, E-3
Cylinder - Side Shift 314-9338 24
Swivel 260-6502 25
Valve - Implement Control LH Config. 1 6E-3038 26 F-7
Valve - Implement Control LH Config. 2 104-8646 27 F-4
Valve - Implement Control LH Config. 3 104-8645 28 F-1
Valve - Implement Control LH Config. 4 104-8648 29 D-5
Valve - Implement Control LH Config. 5 104-8647 30 D-1
Valve - Implement Control RH Config. 1 104-8671 31 C-5
Valve - Implement Control RH Config. 2 115-1008 32 C-1
Valve - Implement Control RH Config. 3 6E-3032 33 A-4
F-8, F-5, F-2, E-6, E-2
F-8, F-5, F-2, E-6, E-2

5. TAP LOCATION
Tap
Number
Description
Schematic
Location
Implement/Steering Pump - Combination Valve Pressure B-5
4
-
B
e
r
u
s
s
e
r
P
e
v
l
a
V
n
o
i
t
a
n
i
b
m
o
C
B
A

6. 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 RESTRICTION
VARIABLE and PRESSURE
COMPENSATED
PRESSURE
COMPENSATION
PUMP: VARIABLE and
PRESSURE COMPENSATED
ENERGY TRIANGLES
HYDRAULIC PNEUMATIC
MEASUREMENT
PRESSURE TEMPERATURE FLOW
ROTATING SHAFTS
UNIDIRECTIONAL BIDIRECTIONAL
PUSH-PULL LEVER PEDAL
GENERAL MANUAL PUSH BUTTON SPRING
MANUAL CONTROL SYMBOLS
HYDRAULIC MOTORS
FIXED
DISPLACEMENT
VARIABLE DISPLACEMENT
NON-COMPENSATED
UNIDIRECTIONAL
BIDIRECTIONAL
HYDRAULIC PUMPS
FLUID STORAGE RESERVOIRS
CROSSING AND JOINING LINES
VALVE ENVELOPES VALVE PORTS
BASIC COMPONENT SYMBOLS
FLUID CONDITIONER
PUMP or MOTOR
FIXED
DISPLACEMENT
VARIABLE DISPLACEMENT
NON-COMPENSATED
UNIDIRECTIONAL
BIDIRECTIONAL
VALVES
PILOT CONTROL SYMBOLS
RELEASED PRESSURE
EXTERNAL RETURN INTERNAL RETURN
REMOTE SUPPLY PRESSURE
SIMPLIFIED COMPLETE INTERNAL
SUPPLY PRESSURE
ACCUMULATORS
SPRING LOADED GAS CHARGED
SOLENOID
or MANUAL
SOLENOID
and PILOT
SOLENOID and
PILOT or MANUAL
COMBINATION CONTROLS
SOLENOID SERVO THERMAL DETENT
HYDRAULIC AND PNEUMATIC CYLINDERS
DOUBLE ACTING
SINGLE ACTING
BASIC
SYMBOL
SPRING
LOADED
CHECK VALVES
TWO
POSITION
INFINITE
POSITIONING
FLOW IN ONE
DIRECTION
FLOW ALLOWED IN
EITHER DIRECTION
THREE
POSITION
CROSS
FLOW
PARALLEL
FLOW
INTERNAL PASSAGEWAYS
NORMAL POSITION
A B
P T
A B
P T
SHIFTED POSITION INFINITE POSITION
CONTROL VALVES
ATTACHMENT
MANUAL SHUTOFF
SHUTTLE PILOT
CONTROLLED

7. ELECTRICAL SYMBOLS
Hydraulic Symbols (Electrical)
325-AG135 PK-14
Circuit Identification
Number
Wire Color Wire Gauge
Harness identification code
This example indicates
wire 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 Color
Circuit Number
Identification
B A
Wire
Wire
(EXAMPLE VALVE)
Current Standard
Transducer
(Fluid)
Transducer
(Gas / Air)
G
Generator
Electrical Wire
Pressure Switch
M
Electric Motor
Pressure Switch
(Adjustable)
Temperature Switch
Pressure
Symbol
Temperature
Symbol
Level
Symbol
Flow
Symbol
Electrical Symbols (Electrical)
T

8. THIS SCHEMATIC IS FOR THE 12K, 120K, 140K, AND 160K MOTOR GRADER
VOL 1 OF 2: STANDARD IMPLEMENT CONTROL VALVE CONFIGURATION
(12K/140K/160K) PART NUMBER: 304-5315, CHANGE: 00, VERSION: -
(120K) PART NUMBER: 304-5313, CHANGE: 00, VERSION: -
Components are shown installed on a fully operable machine.
Refer to the appropriate Service Manual for Troubleshooting, Specifications.
A
B
C
D
E
1
2
3
4
5
6
7
A
B
C
D
E
1
2
3
4
5
6
7
CENTER SHIFT
ARTICULATION
IMPLEMENT/STEERING
BLADE LIFT
WHEEL LEAN
CIRCLE DRIVE BLADE LIFT
(3) CYLINDER
ARTICULATION LH
6E-1554 (120K)
6E-1560 (12K/140K)
137-6792 (160K)
(9) CYLINDER
STEERING RH
130-9042
(8) CYLINDER
STEERING LH
130-9041
(14) UNIT
HAND METERING
222-3769
(17) VALVE
COMBINATION
9T-5957
(12) PUMP
IMPLEMENT/STEERING
6E-3136
(13) TANK
HYDRAULIC
214-1984
(18) VALVE
IMPLEMENT CONTROL LH
104-8672
(11) MOTOR
CIRCLE DRIVE
105-3196
STANDARD IMPLEMENT CONTROL VALVE CONFIGURATION
(SEE VOL 2 FOR ADDITIONAL CONFIGURATIONS)
(4) CYLINDER
ARTICULATION RH
9T-8785 (120K)
9T-8784 (12K/140K)
137-6790 (160K)
(19) VALVE
IMPLEMENT CONTROL RH
124-3325
(5) CYLINDER
BLADE LIFT LH
132-4926 (120K)
132-4929 (12K/140K/160K)
(15) VALVE
BLADE CUSHION ACCUMULATOR LH
188-9390
(1) ACCUMULATOR
BLADE CUSHION LH
162-7450
(6) CYLINDER
BLADE LIFT RH
132-4929 (12K/140K/160K)
132-4926 (120K)
(10) CYLINDER
WHEEL LEAN
121-9242
(7) CYLINDER
CENTER SHIFT
6E-1343 (12K/140K/160K)
6E-1754 (120K)
B
A
(16) VALVE
BLADE CUSHION ACCUMULATOR RH
188-9390
(2) ACCUMULATOR
BLADE CUSHION RH
162-7450
LS
PUMP
TANK
LS
PUMP
TANK
HYDRAULIC CIRCUIT COLOR DESCRIPTIONS
MAIN PUMP OUTPUT
BLADE TIP CIRCUIT
PLOW AND WING CIRCUIT
IMPLEMENT AND STEERING LOAD SENSE CIRCUIT
DRAIN / RETURN LINE
BLADE CIRCUIT
RIPPER CIRCUIT
SCARIFIER CIRCUIT
STEERING CIRCUIT
SUPPLY LINE
ARTICULATION CIRCUIT
SIDE SHIFT CIRCUIT
CENTER SHIFT CIRCUIT
WHEEL LEAN CIRCUIT
CIRCLE DRIVE 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)
Component
Name
Part Number

9. HYDRAULIC CIRCUIT COLOR DESCRIPTIONS
MAIN PUMP OUTPUT
BLADE TIP CIRCUIT
PLOW AND WING CIRCUIT
IMPLEMENT AND STEERING LOAD SENSE CIRCUIT
DRAIN / RETURN LINE
BLADE CIRCUIT
RIPPER CIRCUIT
SCARIFIER CIRCUIT
STEERING CIRCUIT
SUPPLY LINE
ARTICULATION CIRCUIT
SIDE SHIFT CIRCUIT
CENTER SHIFT CIRCUIT
WHEEL LEAN CIRCUIT
CIRCLE DRIVE CIRCUIT
LINE PATTERNS
Drain / Return Lines
Component Group
Pilot / Load Sensing Pressure
Pressure Line
CALLOUTS
Taps (Pressure, Sampling, Sensor - by letter)
YY
(3) CYLINDER
ARTICULATION LH
6E-1554 (120K)
6E-1560 (12K/140K)
137-6792 (160K)
(4) CYLINDER
ARTICULATION RH
9T-8785 (120K)
9T-8784 (12K/140K)
137-6790 (160K)
(7) CYLINDER
CENTER SHIFT
6E-1343 (12K/140K/160K)
6E-1754 (120K)
(6) CYLINDER
BLADE LIFT RH
132-4929 (12K/140K/160K)
132-4926 (120K)
(10) CYLINDER
WHEEL LEAN
121-9242
(16) VALVE
BLADE CUSHION ACCUMULATOR RH
188-9390
(2) ACCUMULATOR
BLADE CUSHION RH
162-7450
THIS SCHEMATIC IS FOR THE 12K, 120K, 140K, AND 160K MOTOR GRADER
VOL 2 OF 2: ALTERNATE IMPLEMENT CONTROL VALVE CONFIGURATIONS
(12K/140K/160K) PART NUMBER: 304-5315, CHANGE: 00, VERSION: -
(120K) PART NUMBER: 304-5313, CHANGE: 00, VERSION: -
Components are shown installed on a fully operable machine.
Refer to the appropriate Service Manual for Troubleshooting, Specifications.
1
2
3
4
5
6
7
8
A
B
C
D
E
F
1
2
3
4
5
6
7
8
A
B
C
D
E
F
(24) CYLINDER
SIDE SHIFT
112-5575
SCARIFIER BLADE LIFT SIDE SHIFT CIRCLE DRIVE BLADE TIP
PLOW ANGLE
ARTICULATION CENTER SHIFT WHEEL LEAN BLADE LIFT PLOW/DOZER
CENTER SHIFT BLADE LIFT
WHEEL LEAN
LH IMPLEMENT CONTROL VALVE CONFIGURATION 1
BLADE LIFT SIDE SHIFT CIRCLE DRIVE BLADE TIP RIPPER BLADE LIFT SIDE SHIFT CIRCLE DRIVE BLADE TIP
LS
PUMP
TANK
LH IMPLEMENT CONTROL VALVE CONFIGURATION 2
LS
PUMP
TANK
LS
PUMP
TANK
LH IMPLEMENT CONTROL VALVE CONFIGURATION 3
LS
PUMP
TANK
LH IMPLEMENT CONTROL VALVE CONFIGURATION 4
LS
PUMP
TANK
LH IMPLEMENT CONTROL VALVE CONFIGURATION 5
ARTICULATION CENTER SHIFT WHEEL LEAN BLADE LIFT PLOW/DOZER
RH IMPLEMENT CONTROL VALVE CONFIGURATION 1
LS
PUMP
TANK
LS
PUMP
TANK
RH IMPLEMENT CONTROL VALVE CONFIGURATION 2
LS
PUMP
TANK
RH IMPLEMENT CONTROL VALVE CONFIGURATION 3
ARTICULATION
(26) VALVE
IMPLEMENT CONTROL LH CONFIG. 1
6E-3038
(27) VALVE
IMPLEMENT CONTROL LH CONFIG. 2
104-8646
(28) VALVE
IMPLEMENT CONTROL LH CONFIG. 3
104-8645
(29) VALVE
IMPLEMENT CONTROL LH CONFIG. 4
104-8648 (30) VALVE
IMPLEMENT CONTROL LH CONFIG. 5
104-8647
(31) VALVE
IMPLEMENT CONTROL RH CONFIG. 1
104-8671
(32) VALVE
IMPLEMENT CONTROL RH CONFIG. 2
115-1008
(33) VALVE
IMPLEMENT CONTROL RH CONFIG. 3
6E-3032
(21) CYLINDER
PLOW/DOZER
314-9338
(15) VALVE
BLADE CUSHION ACCUMULATOR LH
188-9390
(1) ACCUMULATOR
BLADE CUSHION LH
162-7450
(15) VALVE
BLADE CUSHION ACCUMULATOR LH
188-9390
(1) ACCUMULATOR
BLADE CUSHION LH
162-7450
(25) SWIVEL
260-6502
(23) CYLINDER
SCARIFIER
165-2510
(22) CYLINDER
RIPPER
113-7754
SCARIFIER
WING TILT
WING LIFT BLADE LIFT SIDE LIFT CIRCLE DRIVE BLADE TIP
WING TILT
WING LIFT BLADE LIFT SIDE LIFT CIRCLE DRIVE BLADE TIP
(5) CYLINDER
BLADE LIFT LH
132-4926 (120K)
132-4929 (12K/140K/160K)
(15) VALVE
BLADE CUSHION ACCUMULATOR LH
188-9390
(5) CYLINDER
BLADE LIFT LH
132-4926 (120K)
132-4929 (12K/140K/160K)
(25) SWIVEL
260-6502
(24) CYLINDER
SIDE SHIFT
112-5575
(11) MOTOR
CIRCLE DRIVE
105-3196
(20) CYLINDER
BLADE TIP
6E-1549 (120K)
131-7191 (12K/140K/160)
(3) CYLINDER
ARTICULATION LH
6E-1554 (120K)
6E-1560 (12K/140K)
137-6792 (160K)
(4) CYLINDER
ARTICULATION RH
9T-8785 (120K)
9T-8784 (12K/140K)
137-6790 (160K)
(7) CYLINDER
CENTER SHIFT
6E-1343 (12K/140K/160K)
6E-1754 (120K)
(6) CYLINDER
BLADE LIFT RH
132-4929 (12K/140K/160K)
132-4926 (120K)
(10) CYLINDER
WHEEL LEAN
121-9242
(16) VALVE
BLADE CUSHION ACCUMULATOR RH
188-9390
(2) ACCUMULATOR
BLADE CUSHION RH
162-7450
(24) CYLINDER
SIDE SHIFT
112-5575
(20) CYLINDER
BLADE TIP
6E-1549 (120K)
131-7191 (12K/140K/160)
(11) MOTOR
CIRCLE DRIVE
105-3196
(1) ACCUMULATOR
BLADE CUSHION LH
162-7450
(15) VALVE
BLADE CUSHION ACCUMULATOR LH
188-9390
(5) CYLINDER
BLADE LIFT LH
132-4926 (120K)
132-4929 (12K/140K/160K)
(25) SWIVEL
260-6502
(24) CYLINDER
SIDE SHIFT
112-5575
(20) CYLINDER
BLADE TIP
6E-1549 (120K)
131-7191 (12K/140K/160)
(11) MOTOR
CIRCLE DRIVE
105-3196
(1) ACCUMULATOR
BLADE CUSHION LH
162-7450
(5) CYLINDER
BLADE LIFT LH
132-4926 (120K)
132-4929 (12K/140K/160K)
(20) CYLINDER
BLADE TIP
6E-1549 (120K)
131-7191 (12K/140K/160)
(11) MOTOR
CIRCLE DRIVE
105-3196
(24) CYLINDER
SIDE SHIFT
112-5575
(15) VALVE
BLADE CUSHION ACCUMULATOR LH
188-9390
(1) ACCUMULATOR
BLADE CUSHION LH
162-7450
(5) CYLINDER
BLADE LIFT LH
132-4926 (120K)
132-4929 (12K/140K/160K)
(11) MOTOR
CIRCLE DRIVE
105-3196
(20) CYLINDER
BLADE TIP
6E-1549 (120K)
131-7191 (12K/140K/160)
(25) SWIVEL
260-6502
(25) SWIVEL
260-6502
(21) CYLINDER
PLOW/DOZER
314-9338
(3) CYLINDER
ARTICULATION LH
6E-1554 (120K)
6E-1560 (12K/140K)
137-6792 (160K)
(4) CYLINDER
ARTICULATION RH
9T-8785 (120K)
9T-8784 (12K/140K)
137-6790 (160K)
(7) CYLINDER
CENTER SHIFT
6E-1343 (12K/140K/160K)
6E-1754 (120K)
(6) CYLINDER
BLADE LIFT RH
132-4929 (12K/140K/160K)
132-4926 (120K)
(10) CYLINDER
WHEEL LEAN
121-9242
(16) VALVE
BLADE CUSHION ACCUMULATOR RH
188-9390
(2) ACCUMULATOR
BLADE CUSHION RH
162-7450
(23) CYLINDER
SCARIFIER
165-2510

10. CENTRAL MACHINE COMPONENTS
19
18
17
14
13
12
4 3
B
A
VIEW ALL CALLOUTS

11. FORWARD MACHINE COMPONENTS
16
15
11
10
9
8
7
6
5
2
1
VIEW ALL CALLOUTS

12. LH IMPLEMENT CONTROL VALVE CONFIG1
BLADE LIFT
SIDE SHIFT
CIRCLE DRIVE
BLADE TIP
26

13. LH IMPLEMENT CONTROL VALVE CONFIG 2
SCARIFIER
SIDE SHIFT
CIRCLE DRIVE
BLADE TIP
BLADE LIFT
27

14. LH IMPLEMENT CONTROL VALVE CONFIG 3
RIPPER
SIDE SHIFT
CIRCLE DRIVE
BLADE TIP
BLADE LIFT
28

15. LH IMPLEMENT CONTROL VALVE CONFIG 4
WING LIFT
SIDE SHIFT
CIRCLE DRIVE
BLADE TIP
BLADE LIFT
WING TILT
29

16. LH IMPLEMENT CONTROL VALVE CONFIG 5
WING LIFT
SIDE SHIFT
CIRCLE DRIVE
BLADE TIP
BLADE LIFT
WING TILT
SCARIFIER
30

17. PLOW/DOZER ATTACHMENT
PLOW/DOZER CYLINDER 21

18. RH IMPLEMENT CONTROL VALVE CONFIG 1
ARTICULATION
WHEEL LEAN
BLADE LIFT
CENTER SHIFT
PLOW/DOZER
31

19. RH IMPLEMENT CONTROL VALVE CONFIG 2
ARTICULATION
BLADE LIFT
PLOW/DOZER
PLOW ANGLE
WHEEL LEAN
CENTER SHIFT
32

20. RH IMPLEMENT CONTROL VALVE CONFIG 3
ARTICULATION
CENTER SHIFT
WHEEL LEAN
BLADE LIFT
33

21. SCARIFIER AND RIPPER ATTACHMENTS
SCARIFIER CYLINDER
RIPPER CYLINDER
23
22
VIEW ALL CALLOUTS

22. SWIVEL, BLADE TIP, AND SIDE SHIFT CYLINDERS
SWIVEL
SIDE SHIFT CYLINDER
BLADE TIP CYLINDER
25
24
20
VIEW ALL CALLOUTS