CAT 994D Wheel Loader Hydraulic System

RENR2520-01
September 2012
Volume 1 of 2: Implement System
994D Wheel Loader
Hydraulic System
3TZ1-UP
Printed in U.S.A.© 2012 Caterpillar, All Rights Reserved
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)
PUMP
(2 - SECTION)
SPRING
(ADJUSTABLE)
VARIABILITY LINE RESTRICTION
(VARIABLE)
PRESSURE
COMPENSATION
PUMP
(VARIABLE & PRESSURE
COMPENSATED)
MEASUREMENT
PRESSURE TEMPERATURE FLOW
ROTATING SHAFTS
UNIDIRECTIONAL BIDIRECTIONAL
PUSH - PULL LEVER PEDALGENERAL MANUAL PUSH BUTTON SPRING
FIXED
DISPLACEMENT
VARIABLE DISPLACEMENT
NON-COMPENSATED
UNIDIRECTIONAL
BIDIRECTIONAL
VALVE ENVELOPES VALVE PORTS
FLUID CONDITIONERPUMP OR MOTOR
FLUID POWER SYMBOLS
UNIDIRECTIONAL
BIDIRECTIONAL
RELEASED PRESSURE
EXTERNAL RETURN INTERNAL RETURN
REMOTE SUPPLY PRESSURE
SIMPLIFIED
HYDRAULIC PUMPS
ACCUMULATORS
SPRING LOADED GAS CHARGED
SOLENOID
OR MANUAL
SOLENOID
& PILOT
SOLENOID &
PILOT OR MANUAL
SOLENOID SERVO THERMAL DETENT
HYDRAULIC & PNEUMATIC CYLINDERS
DOUBLE ACTINGSINGLE ACTING
BASIC
SYMBOL
SPRING
LOADED
CHECK VALVES
2 POSITION
INFINITE
POSITIONING
FLOW IN ONE
DIRECTION
FLOW IN
EITHER
DIRECTION
3 POSITION
CROSS
FLOW
PARALLEL
FLOW
INTERNAL PASSAGEWAYS
NORMAL POSITION
AB
PT
AB
PT
SHIFTED POSITION INFINITE POSITION
CONTROL VALVES
ATTACHMENT
MANUAL SHUTOFF
SHUTTLE PILOT
CONTROLLED
MAIN AUX
LINE RESTRICTION
(VARIABLE & PRESSURE
COMPENSATED)
MANUAL CONTROL SYMBOLS
HYDRAULIC MOTORS
FLUID STORAGE RESERVOIRS
CROSSING & JOINING LINES
VALVES
PILOT CONTROL SYMBOLS
COMBINATION CONTROLS
BASIC COMPONENT SYMBOLS
ENERGY TRIANGLES
HYDRAULIC PNEUMATIC
INTERNAL
SUPPLY PRESSURE
COMPLETE
FIXED
DISPLACEMENT
VARIABLE DISPLACEMENT
NON-COMPENSATED
HYDRAULIC SYMBOLS (ELECTRICAL)
ELECTRICAL SYMBOLS TABLE
325-AG135 PK-14
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
WIRE
WIRE
(EXAMPLE VALVE)
CURRENT STANDARD
TRANSDUCER
(FLUID)
M
ELECTRIC MOTORTRANSDUCER
(GAS / AIR)
G
GENERATOR
PRESSURE SWITCH ELECTRICAL WIREPRESSURE SWITCH
(ADJUSTABLE)
TEMPERATURE
SWITCH
PRESSURE
SWITCH
TEMPERATURE
SWITCH
LEVEL
SWITCH
FLOW
SWITCH
ELECTRICAL SYMBOLS (ELECTRICAL)
A
CIRCUIT NUMBER
IDENTIFICATION
WIRE
COLOR
WIRE GAUGE
T
RENR2520-01 VOL 1 of 2
30 Page, (Dimensions: 39 inches x 28 inches)
MACHINE COMPONENT LOCATIONS
MAIN CONTROL VALVE
FRONT FRAME - LEFT REAR VIEW
Check Part Numbers in the Parts Manuals for your Specific Machine
Tap
Number
Description
Schematic
Location
G1 Lift Cylinder Head End Pressure B-2
G2 Lift Cylinder Rod End Pressure B-2
G3 Tilt Cylinder Head End Pressure D-2
G4 Tilt Cylinder Rod End Pressure D-2
G5 Oil Sampling Port G-5
G6 Implement Pilot Pressure F-8
Tap Location
Pressure and Sampling
Description
Part
Number
Machine
Location
Schematic
Location
Connector - Orifice 4I-6206 1 E-6, E-5
Cooler - Hydraulic Oil 355-1656 2 B-8
Cylinder Gp
- Lift (STD) 193-4076
(High Lift) 193-4075
Cylinder Gp - Tilt (LH) (STD) 112-3172
(High Lift) 219-6272
Cy
linder Gp - Tilt (RH) (STD) 112-3171
(High Lift) 219-6273
Filter Gp - Case Drain (Center Imp. Pump) 8E-0769 6 C-7
Filter Gp - Case Drain (Left Imp. Pump) 8E-0769 7 B-7
Filter Gp - Case Drain (Right Imp. Pump) 8E-0769 8 D-7
Filter Gp - Oil (Pilot) 8E-0769 9 C-7
Filter Gp
- Oil (Cooler Screen) 6E-0874 10 B-8
Gauge - Liquid Level 147-9560 11 A-5
Pump Gp - Gear (Pilot, Hyd. Oil Cooler) 6E-0456 12 C-7
Pump Gp - Implement (Center) 112-5381 13 C-6
Pump Gp - Implement (Left) 124-3761 14 A-6
Pump Gp - Implement (Right) 124-3761 15 C-6
Screen As 9T-9227 16 A-7
Screen Gp 7J-2656 17 A-7
Screen Gp - Hydraulic 169-4073 18 B-5, C-6, D-6
Sender - Temperature (Hyd. Oil) 8N-3844 19 A-8
Sensor Gp - Pressure (Lift) 3E-6934
20 B-2
Sensor Gp - Temperature (Hyd. Oil) 100-3055 21 A-8
Switch As - Pressure (Imp. Oil Cooling Filter) 144-5661 22 B-8
Switch Gp - Bypass (Pilot Oil Filter) 164-7577 23 C-8
Switch Gp - Liquid Level 123-2993 24 A-5
Tank As - Expansion 225-3743 25 A-4
Tank As - Expansion (LH) 221-3694 26 A-5
Tank As - Expansion (RH) 221-3693 27 A-4
Tank Gp - Hydraulic (Implement) 131-6448 28 A-7
Valve - Breaker Relief (Filler) 9T-0818 29 A-2
Valve - B
reaker Relief (Expansion Tank) 220-0812 30 A-3
Valve Gp - Check (Cooler) 6E-1454 31 B-8
Valve Gp - Check (Implement) 117-3513 32 D-6, B-6
Valve Gp - Check (Implement) 140-0491 33 C-6
Valve Gp - Check (Pilot) 6E-5444 34 D-8
Valve Gp - Check (Pilot Ctrl) 9T-3096 35 D-7
Valve Gp - Cooler Bypass 6E-4473 36 C-8
Valve Gp - Main Control (LH) 133-8675 37 C-3
Valve Gp - Main Control (RH) 133-8673 38 C-4
Valve Gp - Pilot (Tilt, Lift) 119-5991 3
9F-7
Valve Gp - Relief (Main) 6E-6197 40 D-6, C-6, B-6
Valve Gp - Relief (Pilot) 118-0018 41 D-8
Valve Gp - Relief (Tilt Cyl. Head End) 9T-9196 42 C-3
Valve Gp - Relief (Tilt Cyl. Rod End) 9T-9197 43 C-3
Valve Gp - Relief (Lift Cyl. Head End) 142-4281 44 B-3
Valve Gp - Selector (Hydraulic) 140-8243 45 E-6, E-5
Valve Gp - Selector and Pressure Ctrl 119-5988 46 E-8
Component Location
3C-1
4C-1
5D-1
39
40
30
29
41
2
36
31
26
28
17
21
23
19
24
16
25
27
33
11
32
2
31
22
10
22
10
36
3
12
45
1
1
4
37
44
42
43
38
14
13
7
9
6
8
18
20
5
3
15
46
12
45
35
34
46
35
34
4
5
39
40
30
29
41
G5
G1
G2
G3
G1
G2
G3
G4
G6
G6
G4
RENR2520-01 VOL 1 of 2
30 Page, (Dimensions: 39 inches x 28 inches)
Components are shown installed on a fully operable machine with the key and engine off, transmission shifter
in neutral and with parking brake set.
Refer to the appropriate Service Manual for Troubleshooting, Specifications and Systems Operations.
VOLUME 1 of 2: IMPLEMENT SYSTEM
SCHEMATIC PART NUMBER: 152-9005, CHANGE: 03, VERSION: -
MEDIA NUMBER: RENR2520-01
THIS SCHEMATIC IS FOR THE 994D WHEEL LOADER HYDRAULIC SYSTEM
12345678
A
B
C
D
E
F
12345678
A
B
C
D
E
F
LINE PATTERNS
Drain / Return Lines
Component Group
Pilot / Load Sensing Pressure
Pressure Line
Attachment
Air Line
CALLOUTS
Taps (Pressure, Sampling, Sensor - by letter)
YY
HYDRAULIC CIRCUIT COLOR DESCRIPTIONS
PILOT PUMP OUTPUT
BRAKE COOLING CIRCUIT
LEFT IMPLEMENT PUMP OUTPUT
CENTER IMPLEMENT PUMP OUTPUT
SUPPLY LINE
LIFT CYLINDER AND CONTROL CIRCUIT
DRAIN / RETURN LINE
RIGHT IMPLEMENT PUMP OUTPUT
TILT CYLINDER AND CONTROL CIRUIT
PSS
HSS
(39) VALVE GP
PILOT
(TILT, LIFT)
119-5991
(46) VALVE GP
SELECTOR
AND PRESSURE CTRL
119-5988
(45) VALVE GP
SELECTOR
(HYDRAULIC)
140-8243
(1) CONNECTOR
ORIFICE
4I-6206
(34) VALVE GP
CHECK
(PILOT)
6E-5444
(41) VALVE GP
RELIEF
(PILOT)
118-0018
(23) SWITCH GP
BYPASS
(OIL FILTER)
164-7577
(9) FILTER GP
OIL
(PILOT)
8E-0769
(7) FILTER GP
OIL
(CASE DRAIN)
8E-0769
(6) FILTER GP
OIL
(CASE DRAIN)
8E-0769
(8) FILTER GP
OIL
(CASE DRAIN)
8E-0769
(32) VALVE GP
CHECK
(IMPLEMENT)
117-3513
(32) VALVE GP
CHECK
(IMPLEMENT)
117-3513
(33) VALVE GP
CHECK
(IMPLEMENT)
140-0491
(40) VALVE GP
RELIEF
(MAIN)
6E-6197
(40) VALVE GP
RELIEF
(MAIN)
6E-6197
(40) VALVE GP
RELIEF
(MAIN)
6E-6197
(14) PUMP GP
IMPLEMENT
(LEFT)
124-3761
(15) PUMP GP
IMPLEMENT
(RIGHT)
124-3761
(13) PUMP GP
IMPLEMENT
(CENTER)
112-5381
(18) SCREEN GP
HYDRAULIC
169-4073
(18) SCREEN GP
HYDRAULIC
169-4073
(12) PUMP GP
GEAR
(PILOT, HYD.
OIL COOLER)
6E-0456
(36) VALVE GP
COOLER BYPASS
6E-4473
(10) FILTER GP
OIL
(COOLER SCREEN)
6E-0874
(2) COOLER
HYDRAULIC OIL
355-1656
(19) SENDER
TEMPERATURE
(HYDRAULIC OIL)
8N-3844
(21) SENSOR GP
TEMPERATURE
(HYDRAULIC OIL)
100-3055
(16) SCREEN AS
9T-9227
(17) SCREEN GP
7J-2656
(24) SWITCH GP
LIQUID LEVEL
123-2993
(26) TANK AS
EXPANSION (LH)
221-3694
(27) TANK AS
EXPANSION (RH)
221-3693
(30) VALVE
BREAKER RELIEF
220-0812
(29) VALVE
BREAKER RELIEF
(FILLER)
9T-0818
(20) SENSOR GP
PRESSURE
(LIFT)
3E-6934
(3) CYLINDER GP
LIFT
193-4076 (STD)
193-4075 (HIGH LIFT)
(5) CYLINDER GP
TILT (RH)
112-3171 (STD)
219-6273 (HIGH LIFT)
(4) CYLINDER GP
TILT (LH)
112-3172 (STD)
219-6272 (HIGH LIFT)
(25) TANK AS
EXPANSION
225-3743
(11) GAUGE
LIQUID LEVEL
147-9560
(38) VALVE GP
MAIN CTRL (RH)
133-8673
(37) VALVE GP
MAIN CTRL (LH)
133-8675
(42) VALVE GP
RELIEF
9T-9196
(43) VALVE GP
RELIEF
9T-9197
(44) VALVE GP
RELIEF
142-4281
(28) TANK GP
HYDRAULIC
(IMPLEMENT)
131-6448
(31) VALVE GP
CHECK
6E-1454
(22) SWITCH AS
PRESSURE
(IMPLEMENT OIL
COOLING FILTER)
144-5661
(35) VALVE GP
CHECK
(PILOT CTRL)
9T-3096
G2 G1
G3
G4
G5
G6
RENR2520-01
September 2012
Volume 2 of 2: Steering and Braking System
994D Wheel Loader
Hydraulic System
3TZ1-UP
Printed in U.S.A.© 2012 Caterpillar, All Rights Reserved
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)
PUMP
(2 - SECTION)
SPRING
(ADJUSTABLE)
VARIABILITY LINE RESTRICTION
(VARIABLE)
PRESSURE
COMPENSATION
PUMP
(VARIABLE & PRESSURE
COMPENSATED)
MEASUREMENT
PRESSURE TEMPERATURE FLOW
ROTATING SHAFTS
UNIDIRECTIONAL BIDIRECTIONAL
PUSH - PULL LEVER PEDALGENERAL MANUAL PUSH BUTTON SPRING
FIXED
DISPLACEMENT
VARIABLE DISPLACEMENT
NON-COMPENSATED
UNIDIRECTIONAL
BIDIRECTIONAL
VALVE ENVELOPES VALVE PORTS
FLUID CONDITIONERPUMP OR MOTOR
FLUID POWER SYMBOLS
UNIDIRECTIONAL
BIDIRECTIONAL
RELEASED PRESSURE
EXTERNAL RETURN INTERNAL RETURN
REMOTE SUPPLY PRESSURE
SIMPLIFIED
HYDRAULIC PUMPS
ACCUMULATORS
SPRING LOADED GAS CHARGED
SOLENOID
OR MANUAL
SOLENOID
& PILOT
SOLENOID &
PILOT OR MANUAL
SOLENOID SERVO THERMAL DETENT
HYDRAULIC & PNEUMATIC CYLINDERS
DOUBLE ACTINGSINGLE ACTING
BASIC
SYMBOL
SPRING
LOADED
CHECK VALVES
2 POSITION
INFINITE
POSITIONING
FLOW IN ONE
DIRECTION
FLOW IN
EITHER
DIRECTION
3 POSITION
CROSS
FLOW
PARALLEL
FLOW
INTERNAL PASSAGEWAYS
NORMAL POSITION
AB
PT
AB
PT
SHIFTED POSITION INFINITE POSITION
CONTROL VALVES
ATTACHMENT
MANUAL SHUTOFF
SHUTTLE PILOT
CONTROLLED
MAIN AUX
LINE RESTRICTION
(VARIABLE & PRESSURE
COMPENSATED)
MANUAL CONTROL SYMBOLS
HYDRAULIC MOTORS
FLUID STORAGE RESERVOIRS
CROSSING & JOINING LINES
VALVES
PILOT CONTROL SYMBOLS
COMBINATION CONTROLS
BASIC COMPONENT SYMBOLS
ENERGY TRIANGLES
HYDRAULIC PNEUMATIC
INTERNAL
SUPPLY PRESSURE
COMPLETE
FIXED
DISPLACEMENT
VARIABLE DISPLACEMENT
NON-COMPENSATED
HYDRAULIC SYMBOLS (ELECTRICAL)
ELECTRICAL SYMBOLS TABLE
325-AG135 PK-14
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
WIRE
WIRE
(EXAMPLE VALVE)
CURRENT STANDARD
TRANSDUCER
(FLUID)
M
ELECTRIC MOTORTRANSDUCER
(GAS / AIR)
G
GENERATOR
PRESSURE SWITCH ELECTRICAL WIREPRESSURE SWITCH
(ADJUSTABLE)
TEMPERATURE
SWITCH
PRESSURE
SWITCH
TEMPERATURE
SWITCH
LEVEL
SWITCH
FLOW
SWITCH
ELECTRICAL SYMBOLS (ELECTRICAL)
A
CIRCUIT NUMBER
IDENTIFICATION
WIRE
COLOR
WIRE GAUGE
T
RENR2520-01 VOL 2 of 2
36 Page, (Dimensions: 48 inches x 35 inches)
7
21
18
13
2
22
12
32
25
3
4
11
6
30
34 10
30
34
10
35
37
38
33
35
37
38
33
6
9
27
27
9
43
26
42
24
17
16 5
23
23 24
36
1
19
19
1
36
14
40
15
41
15
14
16
17
40
41
42
26
43
8
20
28
39
31
29
SOS
STEERING AND BRAKE CIRCUIT - REAR FRAME
MACHINE COMPONENT LOCATIONS
Accumulator Gp - Brake 3G-0278 1 E-6
Actuator Gp - Steering Pump 6E-1026 2 D-11, E-9
Breather (Steering and Brake) 9T-1119 3 C-7
Core Gp - Cooler (Brake Oil) 9Y-8890 4 C-3
Cylinder Gp - Steering (LH) 6E-0529 5 I-13
Cylinder Gp - Steering (RH) 9T-9019 6 I-13
Filter Gp - Oil (Cooler Screen) 6E-0874 7 G-7
Filter Gp - Oil (Steering) 8E-0769 8 B-11, B-9
Pump Gp - G
ear (Brake Cooling) 116-7341 9 C-3
Pump Gp - Gear (Secondary Steering) 6E-0868 10 H-9
Pump Gp - Gear (Steering, Brake Oil Cooler) 6E-0867 11 E-7
Pump Gp - Piston (Brake) 102-4226 12 D-5
Pump Gp - Piston (Steering) 9T-8993 13 C-11, D-10
Screen - Front Left 164-3306 14 G-3
Screen - Front Right 164-3306 15 G-2
Screen - Rear Left 164-3306 16 E-3
Screen - Rear Right 164-3306 17 E-2
Switch As - Pressure (Steering Oil) 8T-8640 18 B-13
Switch As - Pressure (Brake Accumulator) 9X-9643 19 F-6
Switch Gp - Bypass (Oil Filter) 9X-7781 20 B-11, B-10
Tank Gp (Steering, Brake) 9T-9000 21 B-7
Tank Gp - Hydraulic (Brake Cooling) 9T-4725 22 B-4
Valve Gp - Brake Control (Parking) 3G-2228 23 E-5
Valve Gp - Brake Control (Service) 100-3706 24 F-5
Valve Gp - Check (Brake Cooling) 9T-3752 25 E-6
Valve Gp - Check (Brake Oil Cooling Bypass) 122-3359 26 C-3
Valve Gp - Check (Cooler) 6E-1
454 27 H-6
Valve Gp - Check (Neutralizer, Steering) 149-4617 28 F-13
Valve Gp - Check (Steering Pump Discharge) 6E-1252 29 E-11, F-10
Valve Gp - Diverter (Sec. Steering) 163-5465 30 H-10
Valve Gp - Pilot (Stic Steering) 249-5615 31 C-14
Valve Gp - Pump Ctrl (Pressure Compensator) 4T-1909 32 D-5
Valve Gp - Relief (Pump Backup) 9J-8225 33 G-12
Valve Gp - Relief (Secondary Steering) 9J-0460 34 H-10
Valve Gp - Relief (Steering Cyl.
Crossover) 6E-0859 35 H-14
Valve Gp - Selector and Press. Control 1U-2226 36 B-13, B-12
Valve Gp - Shuttle 4T-1860 37 H-13
Valve Gp - Steering 154-5236 38 H-13
Valve Gp - Steering Neutralizer 9T-7426 39 D-14
Wheel Gp - Final Drive and Brake (Front Left) 137-3505 40 F-3
Wheel Gp - Final Drive and Brake (Front Right) 137-3505 41 F-2
Wheel Gp - Final Drive and Brake (Rear Left) 137-3505 42 E-3
Wheel Gp - Final Drive and Brake (Rea
r Right) 137-3505 43 E-2
Description
Part
Number
Machine
Location
Schematic
Location
Component Location
Check Part Numbers in the Parts Manuals for your Specific Machine
Tap
Number
Description
Schematic
Location
SOS Oil Sampling Port E-7
Tap Location
Pressure and Sampling
RENR2520-01 VOL 2 of 2
36 Page, (Dimensions: 48 inches x 35 inches)
Components are shown installed on a fully operable machine with the key and engine off, transmission shifter
in neutral and with parking brake set.
Refer to the appropriate Service Manual for Troubleshooting, Specifications and Systems Operations.
VOLUME 2 of 2: STEERING AND BRAKING SYSTEM
SCHEMATIC PART NUMBER: 152-9004, CHANGE: 03, VERSION: -
MEDIA NUMBER: RENR2520-01
THIS SCHEMATIC IS FOR THE 994D WHEEL LOADER HYDRAULIC SYSTEM
A
B
C
D
E
F
12345678
91011121314
G
H
I
J
12345678
91011121314
A
B
C
D
E
F
G
H
I
J
LINE PATTERNS
Drain / Return Lines
Component Group
Pilot / Load Sensing Pressure
Pressure Line
Attachment
Air Line
CALLOUTS
Taps (Pressure, Sampling, Sensor - by letter)
YY
HYDRAULIC CIRCUIT COLOR DESCRIPTIONS
BRAKE COOLING CIRCUIT
STEERING PUMP OUTPUT
STEERING CYLINDER CIRCUIT
STEERING AND BRAKE OIL COOLER PUMP OUTPUT
SUPPLY LINE
BRAKE CIRCUIT
SERVICE BRAKE CIRCUIT
DRAIN / RETURN LINE
SECONDARY STEERING PUMP OUTPUT
(5) CYLINDER GP
STEERING
(LH)
6E-0529
(35) VALVE GP
RELIEF
(STEERING CYLINDER
CROSSOVER)
6E-0859
(38) VALVE GP
STEERING
154-5236
(37) VALVE GP
SHUTTLE
4T-1860
(28) VALVE GP
CHECK
(NEUTRATLIZER, STEERING)
149-4617
(39) VALVE GP
STEERING NEUTRALIZER
9T-7426
(2) ACTUATOR GP
STEERING PUMP
6E-1026
(13) PUMP GP
PISTON
(STEERING)
9T-8993
(29) VALVE GP
CHECK
(PUMP DISCHARGE)
6E-1252
(31) VALVE GP
PILOT
(STIC STEERING)
249-5615
(36) VALVE GP
SELECTOR
AND PRESS. CTRL
1U-2226
(8) FILTER GP
OIL
(STEERING)
8E-0769
(20) SWITCH GP
BYPASS
(OIL FILTER)
9X-7781
(18) SWITCH AS
PRESSURE
(STEERING OIL)
8T-8640
(33) VALVE GP
RELIEF
(PUMP BACKUP)
9J-8225
(34) VALVE GP
RELIEF
(SEC. STEERING)
9J-0460
(30) VALVE GP
DIVERTER
163-5465
(10) PUMP GP
GEAR
(SECONDARY STEERING)
6E-0868
(27) VALVE GP
CHECK
(COOLER)
6E-1454
(7) FILTER GP
OIL
(COOLER SCREEN)
6E-0874
(19) SWITCH AS
PRESSURE
(BRAKE ACCUMULATOR)
9X-9643
(23) VALVE GP
BRAKE CONTROL
(PARKING)
3G-2228
(14) SCREEN
FRONT LEFT
164-3306
(40) WHEEL GP
FINAL DRIVE AND BRAKE
(FRONT LEFT)
137-3505
(41) WHEEL GP
FINAL DRIVE AND BRAKE
(FRONT RIGHT)
137-3505
(43) WHEEL GP
FINAL DRIVE AND BRAKE
(REAR RIGHT)
137-3505
(42) WHEEL GP
FINAL DRIVE AND BRAKE
(REAR LEFT)
137-3505
(15) SCREEN
FRONT RIGHT
164-3306
(24) VALVE GP
BRAKE CONTROL
(SERVICE)
100-3706
(1) ACCUMULATOR GP
BRAKE
3G-0278
(25) VALVE GP
CHECK
9T-3752
(32) VALVE GP
PUMP CTRL
(PRESS. COMPENSATOR)
4T-1909
(11) PUMP GP
GEAR
(STEERING,
BRAKE OIL COOLER)
6E-0867
(12) PUMP GP
PISTON
(BRAKE)
102-4226
(3) BREATHER
(STEERING AND
(BRAKE)
9T-1119
(21) TANK GP
(STEERING, BRAKE)
9T-9000
(9) PUMP GP
GEAR
(BRAKE OIL COOLER)
116-7341
(26) VALVE GP
CHECK
(BRAKE OIL COOLING BYPASS)
122-3359
(4) CORE GP
COOLER
(BRAKE OIL)
9Y-8890
(16) SCREEN
REAR LEFT
164-3306
(17) SCREEN
REAR RIGHT
164-3306
(22) TANK GP
HYDRAULIC
(BRAKE COOLING)
9T-4725
(6) CYLINDER GP
STEERING
(RH)
9T-9019
PSS
PSS
HSS
HSS
RIGHT TURN
SOS

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