Component Locations

Part Machine Schematic

Description 10 FLUID POWER SYMBOLS
Number Location Location RENR4184-03
8 9
Accumulator - Steering Note A, D 130-4926 1 B-6 October 2004 BASIC COMPONENT SYMBOLS
Cover D-1, D-14,
2
101-9346 H-3, I-14
MAIN AUX.
3 PUMP: VARIABLE and
Cylinder Gp (2) (Articulation) 184-6804 F-5, F-6 PUMP or MOTOR SPRING CONTROL VALVES LINE RESTRICTION 2-SECTION PUMP PRESSURE COMPENSATED
FLUID CONDITIONER RESTRICTION
Cylinder Gp (2) (Blade Lift) 175-2603 4 F-13, G-1 (FIXED)

Cylinder Gp (Blade Tip) 9T-8944 5 G-11

Cylinder Gp (Center Shift) 209-5773 6 F-4
Cylinder Gp (Side Shift) 9T-3206 7 G-12 14 VARIABILITY SPRING LINE RESTRICTION PRESSURE
COMPENSATION
HYDRAULIC PNEUMATIC LINE RESTRICTION
VARIABLE and PRESSURE
ATTACHMENT
(ADJUSTABLE) (VARIABLE) ENERGY TRIANGLES
COMPENSATED
Cylinder Gp Steering (LH) 165-2495 8 G-8
4 VALVES
Cylinder Gp Steering (RH) 165-2496 9 G-7
VALVE ENVELOPES VALVE PORTS
Cylinder Gp (Wheel Lean) 121-9243 10 F-3
20
Manifold - Left 102-8385 11 D-8
Manifold - Right 102-6238 12 D-6
38 47 ONE POSITION TWO POSITION THREE POSITION TWO-WAY THREE-WAY FOUR-WAY
Motor Gp - Gear (Hydraulic Fan) 224-7040 13 B-5
Motor Gp - Gerotor (Circle Drive) 9T-5977 14 G-10 6 CONTROL VALVES CHECK VALVES
Pump Gp - Metering (Steering) AB AB
Note A 111-0490 15 E-7
Note B 222-3770
P T P T
BASIC SPRING SHUTTLE PILOT
Pump Gp - Piston (Hydraulic Fan) 184-7448 16 B-10 2 11 25 NORMAL POSITION SHIFTED POSITION INFINITE POSITION
SYMBOL LOADED CONTROLLED
Pump Gp - Piston
(Implement & Steering) 177-7517 17 B-9 27 28 30 36 7 MEASUREMENT ROTATING SHAFTS
Sensor Gp - Pressure (Fan Drive) 167-1709 18 B-5
Switch As - Pressure 230-5771 19 B-6
Swivel Gp 173-1011 20 F-11
15 5 PRESSURE TEMPERATURE FLOW UNIDIRECTIONAL BIDIRECTIONAL
Tank Gp & Filter 207-2410 21 C-13
Valve Gp - Check (Fan Drive) 175-0447 22 B-5 FLUID STORAGE RESERVOIRS
Valve Gp - Combination AA 33

Valve Gp - Control
Note A 9T-5957
Note B 229-7155
(Articulation) 107-0560
23 C-7

E-6
2 12 24 26 29 31 37 14H Motor Grader VENTED PRESSURIZED RETURN ABOVE FLUID LEVEL RETURN BELOW FLUID LEVEL
24
40 41 42
Valve Gp - Control
Valve Gp - Control
(Blade Tip) 107-0554
(Center Shift) 107-0561
25
26
E-9
E-5
16
Hydraulic System COMBINATION CONTROLS

Valve Gp - Control (Circle Drive) 107-0555 27 E-11

Valve Gp - Control (Left Blade Lift) 107-0557 28 E-13 1 19 23 48 35 ASE1-UP
Valve Gp - Control (Right Blade Lift) 107-0564 29 E-2 SOLENOID SOLENOID SOLENOID SOLENOID and SERVO THERMAL DETENT
17 or MANUAL and PILOT PILOT or MANUAL
Valve Gp - Control (Side Shift) 107-0556 30 E-12 BB CC
Valve Gp - Control (Wheel Lean) 6E-3030 31 E-3 MANUAL CONTROL SYMBOLS
Valve Gp - Mounting &
(Fan Speed Solenoid) 193-5765 32 C-11
Valve Gp - Pump Control 34 32
(Pressure & Flow Compensator) PUSH-PULL LEVER MANUAL SHUTOFF GENERAL MANUAL PUSH BUTTON PEDAL SPRING
(for Hydraulic Fan Pump) 168-2210 33 C-10
(for Implement & Steering Pump) 104-3122 34 C-9 21 PILOT CONTROL SYMBOLS
Valve Gp - Shuttle Note C 131-0753 35 C-8 RELEASED PRESSURE REMOTE SUPPLY PRESSURE
Valve Gp - Unit Test 4 (LH)
(Implement Control Valve Manifold) 104-8653 36 E-14
Valve Gp - Unit Test 4 (RH) 3
(Implement Control Valve Manifold) 104-8674 37 E-1 18 EXTERNAL RETURN INTERNAL RETURN SIMPLIFIED COMPLETE INTERNAL
SUPPLY PRESSURE

ACCUMULATORS CROSSING AND JOINING LINES HYDRAULIC AND PNEUMATIC CYLINDERS

Attachments 22
13
Part Machine Schematic SPRING LOADED GAS CHARGED LINES CROSSING LINES JOINING SINGLE ACTING DOUBLE ACTING
Description 39
Number Location Location
The Following Control Valves may be located HYDRAULIC PUMPS INTERNAL PASSAGEWAYS
Accumulator Gp (2) (Blade Cushion) 160-9413 38 G-2, G-14 HYDRAULIC MOTORS
Cylinder Gp - Ripper 113-5264 39 J-10 on either (LH) 36 or (RH) 37 machine
side dependent on machine arrangement. FIXED VARIABLE DISPLACEMENT FIXED VARIABLE DISPLACEMENT THREE TWO
Pump Gp - Electric Drive INFINITE
DISPLACEMENT NON-COMPENSATED DISPLACEMENT NON-COMPENSATED POSITIONING
(Secondary Steering) 123-8915 40 A-6 POSITION POSITION
Valve Gp- Check (Secondary Steering) 9T-1013 41 A-7 24 25 26 27 28 29 UNIDIRECTIONAL UNIDIRECTIONAL
Valve Gp - Check (Secondary Steering) 9T-6146 42 C-7
Valve Gp - Control (Plow/Dozer Lift) 107-0559 43 I-4 FW
D 30 31 43 44 45 46 FLOW IN ONE PARALLEL CROSS FLOW ALLOWED IN
BIDIRECTIONAL BIDIRECTIONAL DIRECTION FLOW FLOW EITHER DIRECTION
Valve Gp - Control (Ripper) 107-0559 44 I-10
Valve Gp - Control
(Snow Wing LIft - Heel) 137-8106 45 I-13
Valve Gp - Control
(Snow Wing Tilt - Toe)
Valve Gp (2) - Mounting &
137-8104 46 I-12
Machine Component Locations 2004 Caterpillar
All Rights Reserved
Printed in U.S.A.
(Blade Cushion Solenoid Valve) 112-2240 47 F-2, F-13
Valve Gp - Relief (Secondary Steering) 9T-8071 48 A-7

Misc Ref
Steering Pump Electrical Symbols Table
Inst - Test 6E-3164
Supply
Note A: Used on 14H(1-746). Hydraulic Symbols (Electrical)
Note B: Used on 14H(747-UP). Implement
Note C: Used on 14H(747-818). AA 32 Supply Lines
Note D: Used on 14H(819-1129).
16 33 Implement 23
Line for Pump to the Drain Lines G M
Tap Locations Signal Line Fan Speed Solenoid
Transducer Transducer Generator Electric Motor
Pressure, Sampling, and Sensor (Fluid) (Gas / Air)
Tap Schematic Tank Return Line
Description
Number Location
AA Pump Output Pressure (Fan) C-12
BB Implement & Steering Load Sensing Signal Pressure C-9
CC Pump Supply Pressure (Implement / Steering) B-8

RENR4184-03
Pressure Switch Pressure Switch Temperature Switch Electrical Wire
(Adjustable)

AA 23 Electrical Symbols (Electrical)

BB

16 Page, BJS
Vent Line to the
Combination Valve
Implement
CC Signal Lines
T
Pressure Temperature Level Flow
Line to the Symbol Symbol Symbol Symbol
Hydraulic Tank
BB
34
from the
Makeup Valve Hydraulic & Steering System Wire Number Identification Codes
Line to the
Makeup valve Electrical Schematic Example Hydraulic Schematic Example
from the Pump
Current Standard Current Standard
Harness identification code
1 This example indicates
wire 135 in harness "AG". Wire
Circuit Number Wire Color
Identification
23
325-AG135 PK-14

13 325-PK
42 Circuit Identification Wire Color Wire Gauge
ALT. Number
Line to the Fan
CC Line to the Makeup Valve
Drive Motor from
from the Fan Drive Motor
the Makeup Valve Previous Standard
Alternate Location
for some models. BB 22 Wire
Wire Color

325-PK-14
18 B A
Circuit Number Wire Gauge
34 Identification (EXAMPLE VALVE)

Combination Valve Hydraulic Fan Drive Combination Valve

 14 13 12 11 10 9 8 7 6 5 4 3 2 1
CYLINDER GP
RIPPER
113-5264

J J
VALVE GP VALVE GP VALVE GP VALVE GP
CONTROL CONTROL CONTROL CONTROL
(SNOW WING (SNOW WING (RIPPER) (PLOW/DOZER
LIFT -HEEL) TILT - TOE) 107-0559 LIFT)
137-8106 137-8104 107-0547

RIPPER PLOW / DOZER

LIFT

COVER
COVER
I LEFT
RIGHT
101-9346 I
101-9346

E K
D J
C H
B G
A F
H SNOW WING LIFT (HEEL) SNOW WING TILT (TOE) H
CYLINDER GP CYLINDER GP
STEERING (LH) STEERING (RH)
VALVE GP CYLINDER GP 165-2495 165-2496
MTG & (BLADE TIP)
(BLADE CUSHION CYLINDER GP 9T-8944 VALVE GP
SOLENOID) (SIDE SHIFT) MTG &
112-2240 9T-3206 ACCUMULATOR GP (BLADE CUSHION CYLINDER GP
CYLINDER GP MOTOR GP (BLADE CUSHION) SOLENOID) (BLADE LIFT)
(BLADE LIFT) GEROTOR 160-9413 112-2240 175-2603
175-2603 (CIRCLE DRIVE) CYLINDER GP
ACCUMULATOR GP 9T-5977 ARTICULATION
(BLADE CUSHION) 184-6804
160-9413 CYLINDER GP
G (CENTER SHIFT)
209-5773
G

CYLINDER GP
(WHEEL LEAN)
121-9243
PUMP GP
SWIVEL GP METERING
173-1011 (STEERING)

Note A
111-0490
F MANIFOLD
RIGHT BLADE CUSHION
F
Note B 102-6238 ATTACHEMENT
BLADE CUSHION 222-3770 VALVE GP
ATTACHMENT UNIT TEST 4
(RIGHT IMPLEMENT
CONTROL VALVE
MANIFOLD VALVE GP VALVE GP VALVE GP VALVE GP MANIFOLD)
VALVE GP VALVE GP VALVE GP VALVE GP LEFT CONTROL CONTROL CONTROL CONTROL 104-8674
CONTROL CONTROL CONTROL CONTROL 102-8385 (ARTICULATION) (CENTER SHIFT) (WHEEL LEAN) (RIGHT BLADE
VALVE GP (LEFT BLADE LIFT) (SIDE SHIFT) (CIRCLE DRIVE) (BLADE TIP)
UNIT TEST 4 107-0560 107-0561 6E-3030 LIFT)
107-0557 107-0556 107-0555 107-0554 107-0564
(LEFT IMPLEMENT
CONTROL VALVE
MANIFOLD)
104-8653
E BLADE LIFT SIDE SHIFT CIRCLE DRIVE BLADE TIP ARTICULATION CENTER SHIFT WHEEL LEAN BLADE LIFT
E

COVER
LEFT
101-9346

E K
D J
D C H
D
B G
A F
RENR4184-03

VALVE GP VALVE GP VALVE GP

TANK GP
16 Page, Color 4, BJS

PUMP CONTROL PUMP CONTROL SIGNAL COMBINATION

FILTER &
207-2410
VALVE GP
MTG &
168-2210 104-3122 BB LINE MOTOR GP COVER
PRESSURE VALVE GP GEAR
(FAN SPEED CHECK Note A RIGHT
SOLENOID) 9T-5957 (HYDRAULIC 101-9346
PRESSURE & FLOW
PRESSURE & FLOW
(SECONDARY FAN)
193-5765 COMPENSATOR VALVE
COMPENSATOR VALVE STEERING)
Note B 224-7040
9T-6146
229-7155
C C
SIGNAL ACCUMULATOR GP
RESOLVER VALVE
STEERING LINE PATTERNS HYDRAULIC CIRCUIT COLOR DESCRIPTIONS
AA SIGNAL
PURGE VALVE Implement & Steering Pump Output.
Pressure Line
NOTE A, D Secondary Steering Pump Output.
PUMP OUTPUT 130-4926 Pilot / Load Sensing Pressure Steering Metering Pump Output and
STEERING Cylinder Circuit.
PRESSURE SIGNAL PRIORITY VALVE
RELIEF VALVE Drain / Return Lines Hydraulic Fan Pump Output.
Snow Wing Lift and Tilt Cylinder Circuits.
SWITCH AS Component Group Supply Line.
PRESSURE
CC 230-5771 Attachment
Drain / Return Line.
Ripper Cylinder Circuit.
B PUMP
IMPLEMENT
RELIEF VALVE Air Line Signal Line B
Blade Tip Cylinder Circuit.
SUPPLY
PRESSURE CALLOUTS Steering (Circle Drive) Control Circuit.
VALVE GP Side Shift Cylinder Circuit.
HYDRAULIC FAN PUMP IMPLEMENT / STEERING PUMP
STEERING
CHECK YY Taps (Pressure, Sampling, Sensor) by letter Blade Lift Cylinder Circuits.
RELIEF VALVE (FAN DRIVE) Articulation Cylinder Circuit.
175-0447 1 Components by number
Center Shift Cylinder Circuit.
Wheel Lean Cylinder Circuit.
VALVE GP
SHUTTLE Plow/Dozer Lift Cylinder Circuit.
SENSOR GP
Note C ADAPTER PRESSURE
131-0753 (FAN DRIVE) Note A: Used on 14H(1-746).
Note B: Used on 14H(747-UP).
SECONDARY STEERING 167-1709 Note C: Used on 14H(747-818).
HYDRAULIC PUMP

A Note D: Used on 14H(819-1129).

A
PUMP GP
PUMP GP PUMP GP VALVE GP VALVE GP ELECTRIC DRIVE THIS SCHEMATIC IS FOR THE 14H Motor Grader
PISTON PISTON RELIEF CHECK (SECONDARY STEERING) Part #: 172-9361 CHG06
(HYDRAULIC (IMPLEMENT & (SECONDARY (SECONDARY 123-8915
FAN) STEERING) STEERING) STEERING) Components are shown installed on a fully operable machine with the key and engine
184-7448 177-7517 9T-8071 9T-1013 off and transmission shifter in neutral.

14 13 12 11 10 9 8 7 6 5 4 3 2 1