Man fio dl Gp - Pi ol tS tS hut of fS fS ol eno di
26 3-1 790
B5 -
19
Motor Gp - Circle Drive
105-3196
F-5
20
Motor Gp - Fan
250-9831
A-3
21
Pump Gp - F an / Brake
250-8337
B-7
22
Pump Gp -I -Implement /S /Steering
236-7296
B-6
23
Pump Gp -S -Secondary Steer
273-8714
A-6
24
Screen -F -Fan /B /Brake Control
6E-5066
B-3
2 50 1 - 42 0
E -3
26
S cr ee nn- I mp el me nt C on rt ol Va Va vl e R ( ea )r
2 50 1 - 42 0
C4 -
27
Screen -S -Steer Pilot Manifold Valve
6E-5066
C-2
28
S en so r Gp - P re ss ur e (B ra ke A cc um ul at or s)
2 37 0 - 95 7
B -3
29
S en so rG rG p -P -P e r ss ur e S ( ec on da y r Se t er ni g)
2 37 0- 95 7
B -6
30
S wi ct h As - Pr Pr es su er ( Pi o l t Fi tl er B yp as s)
7 X- 85 49
B -5
31
Swivel - Blade
260-6502
F-4
32
Tank Gp - Hydraulic Oil
241-3867
V al ve - Sh ut lt e( e(Lo ad Si Si gnal R es ol ver )
B-7
6 R-76 05
B-5
35
B 6-
36
9T 1 - 0 13
A5 -
37
Valve Gp - Cooler Bypass
266-1595
A-4
38
A-3
39
251-8256
ElectricMotor
ElectricalWire
TemperatureSwitch
19
T
BB
Pressure Symbol
Temperature Symbol
SOS 2
CC
Electrical Schematic Example
Flow Symbol
AA
Hydraulic Schematic Example Current Standard
Current Standard Harnessidentificationcode Thisexampleindicates wire 135 in harness "AG".
23
Level Symbol
WireNumb er Identification Codes
Wire CircuitNumber Identification
WireColor
325-AG135 PK-14 325-PK CircuitIdentification Number
WireColor
WireGauge
Previous Standard WireColor
Wire
(5-BANK) 248-6168 6 168 (6-BANK) 249-7295
F 2- th thr uF uF 8-
40
325-PK-14
(7-BANK) 249-5328 ValveGp-ImplementControl (Rear)
Generator
Electrical Symbols (Electrical)
34
193-9230 255 3- 631
V al ve Gp Gp - Ch ec k(S ec on da yr St St eer )
ValveGp-ImplementControl (Front)
Pressure Switch (Adjustable)
Pressure Switch
33
B3 -
Valve Gp - Check (E) V al ve Gp Gp - Ch ec k(Im pl em en t/t/ St St ee )r
Valve Gp -F -Fan /B /Brake Control
Transducer (Gas / Air)
33
25
S cr ee nn- I mp el me nt C on rt ol V al al ve (F (F ro nt )
M
G Transducer (Fluid)
11
Cylinder Gp - Side Shift
Lock Gp - Center Shift
Hydraulic Symbols (Electrical)
2
9R-9925 301-4129
Cylinder Gp -L -LH St Steering
Electrical Symbols Table
1
Breather Assembly Control Gp -B -Brake Pedal
(4-BANK)249-7298 (6-BANK) 291-9517
B
C4 - t hr u C- 8
CircuitNumber Identification
41
Valve Gp -R -Relief (Secondary Steer)
9T 8- 071
A-5
42
Valve Gp -S -Steering Control
308-0934
D-2
43
Valve Gp -S -Steering Pilot Manifold
254-3415
C-1
44
FW
(EXAMPLEVALVE)
D
S0S 1 Tap Locations Pressure, Sampling, and Sensor Tap Number
Description
AA
Schematic Location
Implement / SteeringPumpLoad Sense
B-6
BB
I mp el me nt / S e t er n i g Pu mp P re ss ur e
B -5
CC
Pilot Supply Pressure
B-5
DD
Fan Motor Su S upply Pressure
A-3
EE
Service Brake LH Pressure
D-1
FF
Service Brake RH Pressure
D-1
SOS 1
Hydraulic O il Sampling
B-6
SOS 2
Hydraulic O il Sampling
B-5
38
15 19
15 DD
IMPLEMENT / STEERING CIRCUIT
A
Wire Gauge
FAN / BRAKE CONTROL
2 f o 1 L O V 5 0 9 0 0 e , 9 g a P R 0 3 N E R ) s e h c n i 8 2 x s e h c n i 9 3 : s n o i s n e
m i D (
8
7
PLOW ANGLE CYLINDER
6
4
5
PLOW LIFT CYLINDER CYLINDER GP WHEEL LEAN 249-5299
SCARIFIER CYLINDERS NOT SHOWN
2
3 CYLINDER GP BLADE TIP 131-7191
CYLINDER GP CENTER SHIFT 262-1907
MOTOR GP CIRCLE DRIVE 105-3196
1
VALVE GP IMPLEMENT CONTROL (FRONT) 248-6168 (5-BANK) 249-7295 (6-BANK)SCARIFIER 249-5328 (7-BANK)PLOW
CYLINDER GP SIDE SHIFT 249-4116
LINES
B
B
A
A
B
B
A
A
B
COLOR
DESCRIPTIONS
SECONDARY STEERING PUMP OUTPUT CENTERSHIFT LOCK CONTROL CIRCUIT
B
A
GROUP
IMPLEMENT & STEERING PUMP OUTPUT
SWIVEL BLADE 260-6502
F
A
B
F
FAN & BRAKE PUMP OUTPUT CENTERSHIFT CYLINDER CONTROL CIRCUIT SIDE SHIFT CYLINDER CONTROL CIRCUIT
A
SUPPLY LINE DRAIN / RETURN LINE STEERING CYLINDER CONTROL CIRCUIT BLADE TIP CYLINDER CONTROL CIRCUIT PILOT SHUTOFF CIRCUIT CIRCLE DRIVE MOTOR CONTROL CIRCUIT IMPLEMENT & STEERING LOAD SENSE CIRCUITS BLADE LIFT CYLINDER CONTROL CIRCUITS WHEEL L EAN CY LINDER CONTROLCIRCUIT ARTICUL ATION CYLINDE R CONTR OL CIRC UIT SERVICE BRAKE CONTROL CIRCUIT RIPPER LIFT CYLINDER CONTROL CIRCUIT SNOW WING & PLOW CYLINDER CONTROL CIRCUITS
)(
CONTROL GP BRAKE PEDAL 301-4129
E
PLOW ANGLE (7-BANK) OR SCARIFIER (6-BANK)
PLOW LIFT (7-BANK) OR REMOVED (6-BANK)
WHEEL LEAN
CIRCLE DRIVE
CENTER SHIFT
CYLINDER GP BLADE LIFT (RH) 262-1900
CYLINDER GP BLADE LIFT (LH) 262-1900 CYLINDER GP RIPPER LIFT 113-7754
WING TILT CYLINDER
ACCUMULATOR BLADE CUSHION 219-7265
CYLINDER GP ARTICULATE 247-0096
BLADE TIP
CYLINDER GP LH STEERING 255-8715 262-5766 (AWD)
CL
CYLINDER GP RH STEERING 255-8715 262-5766 (AWD)
VALVE GP STEERING CONTROL 308-0934
CR
CENTER SHIFT LOCK
BLADE CUSHION ATTCH
E
EE
FF
D
D
LE
MANIFOLD GP BLADE CUSHION 253-1320
)
s e 2 h f I c n o 8 2 1 X s e L h c n O I 9 V 3 5 s n o i 0 - s e 9 i m D 0 ( 0 2 9 l r o o R C , N e g a E P 0 R 3
SCREEN FRONT IMPLEMENT CONTROL VALVE 250-1420
LOCK GP CENTER SHIFT 298-2600
ACCUMULATOR BLADE CUSHION 219-7265
BLADE CUSHION ATTCH
WING LIFT CYLINDER
SIDE SHIFT
B
A
B
A
B
A
B
B
A
L
VALVE GP 249-7298 (4-BANK) 291-9517 (6-BANK)
MANIFOLD GP BLADE CUSHION 253-1320
R
RE
A
B
A VALVE GP STEERING PILOT MANIFOLD 254-3415
C
C
SCREEN (STEER PILOT MANIFOLD VALVE) 6E-5066
)( Ps
EF Ts
WING TILT (6-BANK) BREATHER AS 9R-9925
WING LIFT (6-BANK)
ARTICULATION
RIPPER
TANK GP HYDRAULIC 241-3867
AA
VALVE GP CHECK (IMP/STEER) 255-3631
BLADE LIFT (LEFT)
BB
SOS 2
BLADE LIFT (RIGHT) P
CC SCREEN REAR IMPLEMENT CONTROL VALVE 250-1420
PUMP GP FAN/BRAKE 250-8337
PUMP GP IMPLEMENT/ STEERING 236-7296
SENSOR GP-PRESSURE BRAKE ACC: 237-0957
B
LS A1
SCREEN (FAN/BRAKE CONTROL) 6E-5066 VALVE GP CHECK (SEC STEER) 9T-1013 FILTER GP RETURN 249-2307
MANIFOLD GP PILOT SHUTOFF SOLENOID 263-1790
SOS 1
ACCUMULATOR GP CE BRAKE 249-3860 249-3862 (CE)
P
FILTER GP PILOT 191-9784
LINE PATTERNS
SWITCH AS PRESSURE PILOT FILTER BYPASS 7X-8549
A2
Pressure Line Pilot / Load Sensing Pressure Drain / Return Lines
TO AWD PUMP
FAN/BRAKE PUMP
LOC VOL 2 SEC B-1
ComponentGroup SENSOR GP TEMP: 264-4297
IMPLEMENT/ STEERING
TO AWD PUMP LOC VOL 2 SEC B-1
A
VALVE GP CHECK(E) 193-9230
T
PS
SENSOR GP PRESSURE SEC STEERING 237-0957
B
VALVE SHUTTLE (LOAD SIGNAL RESOLVER) 6R-7605
LS
VALVE GP RELIEF (SEC STEER) 9T-8071
T
DD
Attachment
MOTOR GP FAN 250-9831
VALVE GP COOLER BYPASS 266-1595
VALVE GP FAN/BRAKE CONTROL 251-8256
Air Line
A
CALLOUTS YY
Taps (Pressure,Sampling,Sensor)byletter
52
Componentsby
number
THISSCHEMATIC ISFOR THE140M &160M Motor Grader (Volume1) PUMP GP SECONDARY STEER 273-8714
8
7
6
PART#: 266-1591 CH03 (140M) &236-8830 CH06 (160M)
FROM AWD PUMPS
Components are shown installed on a fully operable machine with the key and engine off and transmission shifter in neutral.
FROM AWD MOTORS
LOC VOL 2 SEC B-1
LOC VOL 2 SEC C-1
5
Refer to the appropriate Service Manualfor Troubleshooting, Specif ications and Systems Operations
4
3
2
1
RENR9009-05 June 2010
CONTROLRT SOLENOID
4
FLUID POWER SYMBOLS
CONTROLLT SOLENOID
BASICCOMPONENTSYMBOLS
MAIN AUX.
RIGHT REV SOLENOID
LEFT FWD SOLENOID
RIGHT FWD SOLENOID
PUMPor MOTOR
LEFT REV SOLENOID
S PR N I G
C ON T R OL V L AV E S
LINERESTRICTION (VARIABLE)
PRESSURE COMPENSATION
FLUIDCONDITIONER
SPRING
VARIABILITY
(ADJUSTABLE)
TWOPOSITION
ONEPOSITION
7
THREEPOSITION
TWO-WAY
PT SHIF TEDPOS ITIO N
I N FNI I T E P O S I TO IN
BASIC SYMBOL
SPRING LOADED
A1G
RETURNABOVEFLUIDLEVEL
P R E SS U R ZI E D
RETURNBELOWFLUIDLEVEL
MEASUREMENT
9
12
6
5
2 11
A
3 7
8
A
B2
A2
3
A1
B1
140M and 160M Motor Grader Hydraulic System 140M: B9D1-UP B9M1-UP B9G1-UP D9G1-UP
PRESSURE
ROTATING SHAFTS
FLOW
TEMPERATURE
SOLENOID
SOLENOID or MANUAL
SOLENOID and PILOT
GENERAL M ANUAL
FIXED DISPLACEMENT
A1
4
3
5
7
GASCHARGED
LINESCROSSING
FIXED DISPLACEMENT
COMPONENT LOCATIONS
Part Schematic Number Location
AWD CONTROL MANIFOLD
Machine Location
196-1803
C-5
1
Filter Gp -Charge R ( ear Pump)
196-1803
D-3
2
Manifold Gp -Control (AWD)
294-1109
E-5
3
Motor Gp - LH F ront AWD
287-1893
E-7
4
Motor Gp - RH Front AWD
287-1893
E-2
246-4490
C-3 thru C-6
6
2 14 -6 86 3
D -5
7
Pump Gp -All Wheel Drive S en so r Gp - P re ss ur e (L T AW D Se ns or C on rt ol ) S en so r Gp - P re ss ur e (R T AW D Se ns or C on rt ol )
2 14 -6 86 3
E -5
8
264-4297
C-1
9
S wi c t h As - Pr es su e r ( Oi lF li e t r By pa ss )
1 34 0 - 40 4
D3 -
10
S wi c t h As - Pr es su e r ( Oi lF li e t r By pa ss )
ComponentLocations Description Filter Gp -Charge F ( ront Pump)
INTERNAL SUPPLYPRESSURE
COMPLETE
HYDRAULICANDPNEUMATICCYLINDERS
HYDRAULICMOTORS
VARIABLEDISPLACEMEN T NON-COMPENSATED
SPRING
Volume 2 of 2: All Wheel Drive
VIEW A-A 8
PEDAL
SIMPLIFIED
BIDIRECTIONAL
6
DETENT
REMOTESUPPLYPRESSURE
CROSSING ANDJOINING LINES
UNIDIRECTIONAL
12
PUSH B UTTON
INTERNALRETURN
HYDRAULICPUMPS
2 11
THERMAL
PILOTCONTROLSYMBOLS
ACCUMULATORS
SPRINGLOADED
1 10
SERVO
SOLENOIDand PILOTorMANUAL
MANUALSHUTOFF
EXTERNALRETURN
B1
A2
BIDIRECTIONAL
MANUALCONTROLSYMBOLS
RELEASEDPRESSURE
B2
UNIDIRECTIONAL
COMBINATIONCONTROLS
160M: B9E1-UP B9L1-UP B9T1-UP D9T1-UP
PUSH-PULL LEVER
9
P LI O T CONTROLLED
B1G V EN T E D
1 10
S H UT L T E
FLUIDSTORAGE RESERVOIRS
PS1 A2G
FOUR-WAY
THREE-WAY
CHECK VALVES
AB
AB
PT NORMALPOSITION
PS2 B2G
ATTACHMENT
LINERESTRICTION VARIABLEandPRESSURE COMPENSATED
VALVEPORTS
CONTROL VALVES
8
PUMP: VARIABLEand PRESSURECOMPENSATED
2-SECTIONPUMP
HYDRAU LIC P N E U MTAI C ENERGYTRIANGLES
VALVES
VALVEENVELOPES
P
LINERESTRICTION (FIXED)
RESTRICTION
Generator
ElectricMotor
ElectricalWire
TemperatureSwitch
Electrical Symbols (Electrical)
Schematic Location
A1
LH Motor ForwardPressure
E-4
A2
RHMotor ReversePressure
E-4
B1
RH Motor F orward Pressure
E-6
B2
LH Motor R everse Pressure
E-6
LL
Front Charge Pump Pressure
C-5
NN
Rear Charge Pump Pressure
C-4
T
Pressure Symbol
Temperature Symbol
Level Symbol
Flow Symbol
WireNumb er Identification Codes
Electrical Schematic Example
Hydraulic Schematic Example Current Standard
Current Standard Harnessidentificationcode Thisexampleindicates wire 135 in harness "AG".
Wire CircuitNumber Identification
WireColor
325-AG135 PK-14
LL
325-PK CircuitIdentification Number
WireColor
WireGauge
Previous Standard
2
1
11
10
WireColor
Wire
9
325-PK-14 B
FWD AWD CHARGE FILTERS
12
ALL WHEEL DRIVE PUMP GROUP
CircuitNumber Identification
A
Wire Gauge (EXAMPLEVALVE)
2 f o 2 L O V 5 0 9 0 0 e , 9 g a P R 0 3 N E R ) s e h c n i 8 2 x s e h c n i 9 3 : s n o i s n e
m i D (
8
7
6
4
5
2
3
1
F
F
SENSOR GP PRESSURE AWD SENSOR CONT RIGHT 214-6863 MOTOR GP LH FRONT AWD 287-1893
MANIFOLD GP CONTROL (AWD) 294-1109
)(
L A
PS2
C2
MOTOR GP RH FRONT AWD 287-1893
MR RIGHT CONT
E
L
RIGHT
B2
E
B2
FWD
U
E
A2 A2G
B2
X
B1G
A1G
A1 A1
B1
min
E
A2 T
T1
B1 max
A
A2
REV
B2G
REV
B1
B
LEFT CONT
FWD
U
X
A1
LEFT
max SENSOR GP PRESSURE AWD SENSOR CONT LEFT 214-6863
PS1
ML
C1
min
B
P
)(
D
D
SWITCH AS PRESSURE OIL FILTER BYPASS 134-0404
2 f o 2 L O V 5 0 9 , 0 2 o 0 l r o 9 C , R e g a N P E 0 3 R ) s e h c n i 8 2 x s e h c n i 9 3 : s n o i s n e m i D (
SWITCH AS PRESSURE OIL FILTER BYPASS 134-0404
VALVE GP THERMAL BYPASS 188-8726 FILTER GP CHARGE REAR PUMP 196-1803
FILTER GP CHARGE FRONT PUMP 196-1803
PUMP GP ALL WHEEL DRIVE 246-4490
F X P(S)
C
S(P)
L
F
LL
Mp
X P(S)
S(P) Mp
L
NN
B
B
TO COOLER INLET
C
LOC VOL 1 SEC A-4
SENSOR GP TEMPERATURE 264-4297
FRONT PISTON PUMP
Ms
B
FRONT CHARGE PUMP
REAR PISTON PUMP
U
Ms
Z
Z
Y
Y
U
A
REAR CHARGE PUMP
A
FROM TANK
B
LOC VOL 1 SEC A-8
FROM TANK LOC VOL 1 SEC A-8
T
T
TO RTN MANIFOLD LOC VOL 1 SEC A-6
HYDRAULIC
CIRCUIT
COLOR
DESCRIPTIONS
LINE PATTERNS
FRONT CHARGE PUMP OUTPUT REAR AWD PUMP AND RIGHT MOTOR CONTROL CIRCUIT FRONT AWD PUMP AND LEFT MOTOR CONTROL CIRCUIT REAR CHARGE PUMP OUTPUT
Pressure Line Pilot / Load Sensing Pressure
FRONT WHEEL BRAKE CONTROL CIRCUIT
Drain / Return Lines
SUPPLY LINE DRAIN / RETURN LINE
ComponentGroup Attachment Air Line
A
CALLOUTS YY
Taps (Pressure,Sampling,Sensor)byletter
52
Componentsbynumber
THISSCHEMATIC ISFOR THE140M &160M Motor Grader (Volume2) PART#: 266-1591 CH03 (140M) &236-8830 CH06 (160M) Components are shown installed on a fully operable machine with the key and engine off and transmission shifter in neutral. Refer to the appropriate Service Manualfor Troubleshooting, Specifi cations and Systems Operations
