Current Standard Harness identification code This example indicates wire 135 in harness "AG".
AA
BB
Wire Circuit Number Identification
CC
Wire Color
325-AG135 PK-14 325-PK Circuit Identification Number
Wire Color
Wire Gauge
(5-Bank) 261-3272 (6-Bank) 261-3273
Previous Standard
(7-Bank) 261-3274 Valve Gp - Implement Control (Rear)
Transducer (Gas / Air)
M
Wire Color
Wire
(3-Bank) 261-3278 (4-Bank) 261-3281
C-4 thru C-8
38
A-5
39
325-PK-14
(6-Bank) 261-3283 Valve Gp - Relief (Secondary Steer)
9T-8071
Valve Gp - Steering Control
301-5359
D-2 thru D-3
40
Valve Gp - Steering Pilot Manifold
254-3415
C-1
41
B Circuit Number Identification
FW
(EXAMPLE VALVE)
D
SOS
Tap Locations Pressure, Sampling, and Sensor Tap Number
Description
Schematic Location
AA
Implement / Steering Pump Load Sense
B-6
BB
Implement / Steering Pump Pressure
B-5
CC
Pilot Supply Pressure
B-5
DD
Fan Motor Supply Pressure
A-3
EE
Service Brake LH Pressure
D-1
FF
Service Brake RH Pressure
D-1
Hydraulic Oil Sampling
B-6
SOS
35
15 19
15 DD
IMPLEMENT / STEERING CIRCUIT
A
Wire Gauge
FAN / BRAKE CONTROL
(Dimensions: 39 inches x 28 inches)
219-8035
30 Page,
Accumulator Gp - Blade Cushion
RENR9033-01
Part Schematic Number Location
Description
8
7
6
4
5
PLOW LIFT CYLINDER
PLOW ANGLE CYLINDER
CYLINDER GP WHEEL LEAN 289-3054
CYLINDER GP SIDE SHIFT 257-5083
VALVE GP IMPLEMENT CONTROL (FRONT) 261-3272 (5-BANK) 261-3273 (6-BANK) 261-3274 (7-BANK)
SWIVEL BLADE 260-6502
F
B
B
A
A
B
B
A
A
B
1
CYLINDER GP BLADE TIP 9T-8944
CYLINDER GP CENTER SHIFT 262-1905
MOTOR GP CIRCLE DRIVE 9T-5977
2
3
B
A
A
B
LINES GROUP COLOR DESCRIPTIONS IMPLEMENT & STEERING PUMP OUTPUT SECONDARY STEERING PUMP OUTPUT CENTERSHIFT LOCK CONTROL CIRCUIT FAN & BRAKE PUMP OUTPUT
F
CENTERSHIFT CYLINDER CONTROL CIRCUIT SIDE SHIFT CYLINDER CONTROL CIRCUIT SUPPLY LINE DRAIN / RETURN LINE
A
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 LEAN CYLINDER CONTROL CIRCUIT ARTICULATION CYLINDER CONTROL CIRCUIT SERVICE BRAKE CONTROL CIRCUIT RIPPER LIFT CYLINDER CONTROL CIRCUIT SNOW WING & PLOW CYLINDER CONTROL CIRCUITS
)(
CONTROL GP BRAKE PEDAL 301-4129
E
PLOW LIFT
PLOW ANGLE CYLINDER GP BLADE LIFT (LH) 270-7538
ACCUMULATOR BLADE CUSHION 219-8035
CYLINDER GP BLADE LIFT (RH) 270-7538
WHEEL LEAN
CIRCLE DRIVE
CENTER SHIFT
ACCUMULATOR BLADE CUSHION 219-8035 CYLINDER GP BLADE LIFT (RH) 270-7538
CYLINDER GP BLADE LIFT (LH) 2270-7538
CONSTANT FORCE ATTACHMENT
ACCUMULATOR BLADE CUSHION 219-8035
CYLINDER GP ARTICULATE 290-8074
VALVE GP CONTANT FORCE 279-6521
VALVE GP CONTANT FORCE 279-6521
SIDE SHIFT
BLADE TIP
CYLINDER GP LH STEERING 267-3863
ACCUMULATOR BLADE CUSHION 219-8035
CL
VALVE GP STEERING CONTROL 308-0935
CR
EE FF
CENTER SHIFT LOCK
D
D
LE
B
30 Page, Color 2 (Dimesions 39 Inches X 28 Inches)
CYLINDER GP RH STEERING 267-3863
LOCK GP CENTER SHIFT 298-2600
CYLINDER GP RIPPER LIFT 113-5264
RENR9033-01
SCREEN FRONT IMPLEMENT CONTROL VALVE 250-1420
E
A
CONNECTS TO BLADE LIFT LT VALVE
WING CYLINDERS SYMBOLS SAME AS PLOW CYLINDERS
B
A
B
A
CONNECTS TO BLADE LIFT RT VALVE
WING CYLINDERS SYMBOLS SAME AS PLOW CYLINDERS
B
A
B
MANIFOLD GP BLADE CUSHION (NOTE C) 253-1320
A
B
B
A
A
VALVE GP 261-3278 (4-BANK) 261-3281 (5-BANK) 261-3283 (6-BANK)
MANIFOLD GP BLADE CUSHION (NOTE C) 253-1320
L R
RE
B
A VALVE GP STEERING PILOT MANIFOLD 254-3415
C
C
)(
Ps
EF Ts
WING TILT
WING LIFT
BREATHER AS 9R-9925
ARTICULATION
RIPPER
TANK GP HYDRAULIC 275-6574
AA PUMP GP FAN/BRAKE 257-6832
VALVE GP CHECK (IMP/STEER) 255-3631
BLADE LIFT (RIGHT)
BLADE LIFT (LEFT)
P
CC
BB
SCREEN REAR IMPLEMENT CONTROL VALVE 250-1420
PUMP GP IMPLEMENT/ STEERING 246-4486
LS
T SCREEN (STEER PILOT MANIFOLD VALVE) 6E-5066
VALVE SHUTTLE (LOAD SIGNAL RESOLVER) 6R-7605
PS
B
B
LS A1
SCREEN (FAN/BRAKE CONTROL) 6E-5066 VALVE GP CHECK (SEC STEER) 9T-1013 FILTER GP RETURN 249-2307
VALVE GP CHECK(E) 231-7701
MANIFOLD GP PILOT SHUTOFF SOLENOID 263-1790
SOS
ACCUMULATOR GP CE BRAKE 260-9428
P
FILTER GP PILOT 191-9784
LINE PATTERNS
A2
Pressure Line Pilot / Load Sensing Pressure Drain / Return Lines
FAN/BRAKE PUMP
Component Group
IMPLEMENT/ STEERING
A
T VALVE GP RELIEF (SEC STEER) 9T-8071
DD
MOTOR GP FAN 304-1005
VALVE GP COOLER BYPASS 266-1595
Attachment
VALVE GP FAN/BRAKE CONTROL 251-8256
Air Line
CALLOUTS YY
Taps (Pressure, Sampling,Sensor) by letter
52
Components by number
THIS SCHEMATIC IS FOR THE 16M Motor Grader PART #: 254-7844 CH02
PUMP GP SECONDARY STEER 273-8714
8
7
6
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 Manual for Troubleshooting, Specifications and Systems Operations
