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CHECK
Control
ACCUMULATORS Unidirectional Bidirectional
Valves
Line Restriction
(Variable)
VARIABLE DISPLACEMENT
Basic Spring Shuttle NON- COMPENSATED
Pilot
Symbol Loaded Line Restriction
Controlled Spring Loaded Gas Charged Restriction
(Fixed)
Unidirectional Bidirectional
2-Section
RELEASED PRESSURE Variable and Pressure
ROTATING SHAFTS Compensated
Pump
Internal
Simplified Complete Supply Pressure Hydraulic Pneumatic
Energy Triangles
COMBINATION CONTROLS
LINES MEASUREMENT
Solenoid Solenoid Solenoid Solenoid and Servo Thermal Detent Crossing Joining
or Manual and Pilot Pilot or Manual Pressure Temperature Flow
Push-pull Lever Manual Shutoff General Manual Push Button Pedal Spring Vented Pressurized Return Above Fluid Level Return Below Fluid Level
Volume 1 of 2: Implement
Volume 2 of 2: Steering and Brake
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COMPONENT LOCATION
VOLUME 1 - IMPLEMENT
Schematic Machine Schematic Machine
Description Description
Location Location Location Location
Accumulator Gp - Implement Pilot F-13 1 Sensor Gp - Pressure (Lift Head End) (Left) J-6 47
Actuator Gp - Implement (Operator Left Valve) H-5 2 Sensor Gp - Pressure (Tilt Head End) (Right) J-3 48
Actuator Gp - Implement (Operator Right Valve) I-2 3 Sensor Gp - Pressure (Tilt Rod End) (Left) J-5 49
Actuator Gp - Powered Access J-13 4 Sensor Gp - Pressure (Lift Rod End) (Right) J-2 50
Core - Cooler (Front AOC Cooler) G-15 5 Sensor Gp - Pressure (Right Valve) I-3 51
Core - Cooler (Implement / Steering Cooler) C-15 6 Sensor Gp - Speed (Differential) E-16 52
Core - Cooler (Rear AOC Cooler) G-9 7 Sensor Gp - Temperature (AOC) (Front Axle) G-15 53
Cylinder Gp - Lift (Left) J-6 8 Sensor Gp - Temperature (AOC) (Rear Axle) G-9 54
Cylinder Gp - Lift (Right) J-2 9 Sensor Gp - Temperature (Impl & Strg Oil Temperature) B-10 55
Cylinder Gp - Tilt (Left) J-4 10 Switch As - Pressure (Differential) (Fan Return Filter Bypass) B-16 56
Cylinder Gp - Tilt (Right) J-2 11 Switch As - Pressure (Differential) (Pilot Filter Bypass) E-13 57
Filter Gp - Case Return B-13 12 Switch As - Pressure (Differential) (Piston Pump Case Return) 1 B-13 58
Filter Gp - Kidney Loop B-15 13 Switch As - Pressure (Differential) (Piston Pump Case Return) 2 B-12 59
Filter Gp - Pilot E-13 14 Switch As - Pressure (FR/RR Brake Lube Oil) (Front Axle) G-14 60
Motor Gp - AOC Fan G-15 15 Switch As - Pressure (FR/RR Brake Lube Oil) (Rear Axle) G-10 61
Motor Gp - SA/HA Fan E-15 16 Tank Gp - EU Expansion (Arctic Min Fan Speed Attachment) A-10 62
Motor/Pump Gp - AOC (Front Axle) G-13 17 Tank Gp - Implement A-12 63
Motor/Pump Gp - AOC (Rear Axle) G-11 18 Valve As - Breaker Relief (EU) A-8 64
Orifice - AOC / Implement Pilot F-14 19 Valve Gp - Anual Lower I-7 65
Orifice - Implement Return (Left) G-5 20 Valve Gp - Breaker Relief (STD) B-9 66
Orifice - Implement Return (Right) G-2 21 Valve Gp - Bypass (Thermal) (Front Axle) G-14 67
Pump Gp - AOC Pilot C-13 22 Valve Gp - Bypass (Thermal) (Rear Axle) G-9 68
Pump Gp - Implement (Left) E-7 23 Valve Gp - Check (Implement Pilot) H-7 69
Pump Gp - Implement (Right) E-11 24 Valve Gp - Check (Lift Rod End Make Up Check) (Operator Left Valve) I-5 70
Pump Gp - Implement Cooler / AOC Fan C-16 25 Valve Gp - Check (Lift Rod End Make Up Check) (Operator Right Valve) I-1 71
Pump Gp - Sa/Ha Fan C-14 26 Valve Gp - Control (Main Implement Valve - Operator Left) J-7 72
Screen Gp - AOC / Pilot Return Filter Screen B-14 27 Valve Gp - Control (Main Implement Valve - Operator Right) J-1 73
Screen Gp - Axle Oil Cooler Screen (Front Axle) 1 G-14 28 Valve Gp - Implement Pilot F-13 74
Screen Gp - Axle Oil Cooler Screen (Front Axle) 2 G-15 29 Valve Gp - Make Up E-15 75
Screen Gp - Axle Oil Cooler Screen (Rear Axle) 1 G-9 30 Valve Gp - Mounting (Fan Control) D-15 76
Screen Gp - Axle Oil Cooler Screen (Rear Axle) 2 G-10 31 Valve Gp - Pressure Reducing (Dead Engine Lower PRV) I-7 77
Screen Gp - Fan Circuit Screen 1 E-14 32 Valve Gp - Relief (Implement Cooler Bypass Pressure) B-15 78
Screen Gp - Fan Circuit Screen 2 D-15 33 Valve Gp - Relief (Lift Head End Relief Pressure) (Operator Left Valve) I-6 79
Screen Gp - Implement Pump Pilot Screen (Left) 1 E-7 34 Valve Gp - Relief (Lift Head End Relief Pressure) (Operator Right Valve) I-1 80
Screen Gp - Implement Pump Pilot Screen (Left) 2 E-8 35 Valve Gp - Relief (Main Implement Relief Pressure) (Left) I-4 81
Screen Gp - Implement Pump Pilot Screen (Right) 1 E-10 36 Valve Gp - Relief (Main Implement Relief Pressure) (Right) I-3 82
Screen Gp - Implement Pump Pilot Screen (Right) 2 E-12 37 Valve Gp - Relief (Tilt Head End Pressure) (Operator Left Valve) I-5 83
Screen Gp - Pump Discharge Screen (Left) E-9 38 Valve Gp - Relief (Tilt Head End Pressure) (Operator Right Valve) I-2 84
Screen Gp - Pump Discharge Screen (Right) E-12 39 Valve Gp - Relief (Tilt Rod End Relief Pressure) (Operator Left Valve) I-4 85
Screen Gp - Return Screen A-11 40 Valve Gp - Relief (Tilt Rod End Relief Pressure) (Operator Right Valve) H-2 86
Screw - Bleeder 1 J-4 41 Valve Gp - Sequence (Arctic Min Fan Speed Attachment) D-15 87
Screw - Bleeder 2 J-5 42 Valve Gp - Shuttle (Operator Left Valve) I-6 88
Sensor As - Pressure (Brake Accumulator) C-14 43 Valve Gp - Solenoid (Float) G-2 89
Sensor Gp - Level (Impl & Strg Tank Oil) B-10 44 Valve Gp - Solenoid (Implement Float) G-5 90
Sensor Gp - Pressure (Impl & Strg Pilot Oil) F-13 45 Valve Gp - Solenoid (Implement Pilot On/Off) H-6 91
Sensor Gp - Pressure (Left Valve) I-4 46
COMPONENT LOCATION
VOLUME 2 - STEERING AND BRAKE
Schematic Machine
Description
Location Location
Accumulator Gp - Brake (EU) (Front Axle) D-5 101
Accumulator Gp - Brake (EU) (Rear Axle) D-4 102
Accumulator Gp - Brake (Std) (Front Axle) D-5 103
Accumulator Gp - Brake (Std) (Rear Axle) D-4 104
Core - Cooler (Implement / Steering Cooler) B-3 105
Cylinder Gp - Steering (Left) F-7 106
Cylinder Gp - Steering (Right) F-6 107
Filter Gp - Case Return A-5 108
Filter Gp - Steering Cooler Return B-3 109
Orifice E-7 110
Orifice - EH Brake (Front Axle) E-3 111
Orifice - EH Brake (Rear Axle) E-2 112
Pump Gp - Brake C-4 113
Pump Gp - Secondary Steering B-7 114
Pump Gp - Steering C-5 115
Pump Gp - Steering Cooler B-3 116
Screen Gp - Brake Pump Discharge Screen C-4 117
Screen Gp - Cushion Orifice Screen 1 E-7 118
Screen Gp - Cushion Orifice Screen 2 E-7 119
Screen Gp - Pump Discharge Screen C-7 120
Screen Gp - Return Screen (Brake) A-3 121
Screen Gp - Return Screen (Steering) A-8 122
Screen Gp - Steering Pilot Screen D-8 123
Sensor As - Pressure (Brake Accumulator) (EH Park Brake) E-3 124
Sensor As - Pressure (Brake Accumulator) (Manifold) D-5 125
Sensor Gp - Level (Implement & Steering Tank Oil) B-2 126
Sensor Gp - Pressure (Implement & Steering Pilot Oil) (Back Up) E-8 127
Sensor Gp - Pressure (Implement & Steering Pilot Oil) (Primary) E-8 128
Sensor Gp - Temperature (Implement & Steering Oil Temperature) B-2 129
Switch As - Pressure (Differential) (Piston Pump Case Return) A-5 130
Switch As - Pressure (Steering Cooler Oil Filter Bypass) B-3 131
Tank Gp - Steering And Brake A-2 132
Valve Gp - Brake Pedal F-4 133
Valve Gp - Check (Quad) E-6 134
Valve Gp - Check (Steering Pilot) (Backup) D-8 135
Valve Gp - Check (Steering Pilot) (Primary) D-8 136
Valve Gp - Control (Steering) F-7 137
Valve Gp - Control (Steering Margin Relief Pressure) E-8 138
Valve Gp - EH Brake Override Relay (Front Axle) F-3 139
Valve Gp - EH Brake Override Relay (Rear Axle) E-2 140
Valve Gp - Manifold D-4 141
Valve Gp - Neutralizer (Left) E-5 142
Valve Gp - Neutralizer (Right) E-5 143
Valve Gp - Pilot (Stick Steering) D-6 144
Valve Gp - Pressure Reducing (Primary Steering PRV) E-8 145
Valve Gp - Pressure Reducing (Secondary Steering PRV) E-7 146
Valve Gp - Relief (CE Brake Charge Relief Pressure) C-4 147
Valve Gp - Relief (Secondary Steering Relief Pressure) D-7 148
Valve Gp - Relief (Steering Cooler Bypass Pressure) B-3 149
Valve Gp - Relief (Steering Cross-Over Relief Pressure) F-7 150
Valve Gp - Relief (Steering Load Sense Relief Pressure) D-6 151
Valve Gp - Relief (Supplemental Steering Crossover) F-7 152
Valve Gp - Solenoid (EH Park Brake) E-4 153
Valve Gp - Steering Load Sense Shuttle Valve (Operator Right Valve) E-6 154
TAP LOCATION
VOLUME 1 - IMPLEMENT
Tap Schematic
Description
Number Location
G1 Lift Head Pressure J-6
G2 Lift Rod Pressure F-13
G3 Tilt Head Pressure F-15
G4 Tilt Rod Pressure F-15
G5 Left Implement Valve Supply Pressure F-12
G6 Right Implement Valve Supply Pressure C-16
G16 Impl Cooling Pump Discharge Pressure J-6
G17 Implement Pilot Pressure J-6
G18 Front Axle Lube Pressure G-13
G19 Rear Axle Lube Pressure F-13
G20 Pilot / AOC Pump Discharge Pressure F-13
G21 Pilot / AOC Pump Load Sense Pressure F-13
G22 Fan Pump Discharge Pressure F-13
G23 Fan Pump Load Sense Pressure F-13
G24 AOC Fan Pump Discharge Pressure F-15
SOS Implemene Sampling Pressure C-15
X1 Implement Valve Pilot Pressure C-14
TAP LOCATION
VOLUME 2 - STEERING AND BRAKE
Tap Schematic
Description
Number Location
G7 Park Brake D-4
G8 Steering Pilot D-7
G9 Front Brake Accumulator D-4
G10 Rear Brake Accumulator D-4
G13a Steering Pump Discharge 1 C-7
G13b Steering Pump Discharge 2 C-5
G14 Brake Pump Discharge B-4
G15 Steering Cooling Pump Discharge B-3
SOS Hydraulic Oil Sampling Port B-3
X5 Front Axle Brake Pressure F-4
X6 Rear Axle Brake Pressure E-4
X7 Secondary Steering Relief Pressure D-7
X8 Steering Pump Drain Pressure (Left) B-6
X9 Steering Pump Drain Pressure (Right) B-5
X10 Brake Pump Drain Pressure A-4
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
(8) CYLINDER GP (10) CYLINDER GP (11) CYLINDER GP (9) CYLINDER GP
LIFT CYLINDER LIFT (LEFT) TILT CYLINDER TILT (LEFT) TILT (RIGHT) TILT CYLINDER LIFT (RIGHT) LIFT CYLINDER
416-4017 416-4019 416-4018 416-4017
DEAD
MANUAL (51) SENSOR GP
ENGINE (46) SENSOR GP PRESSURE
LOWER
LOWER PRESSURE (RIGHT VALVE)
TEST PORT (65) VALVE GP PRV (LEFT VALVE) 349-1178
ANUAL LOWER 349-1178
112-1817
42 Page,
FILL PORT
REAR AXLE
(5) CORE - COOLER 493-3873
(FR/RR BRAKE LUBE OIL) IMPLEMENT RETURN (LEFT)
(FRONT AOC COOLER) 342-2624
(FRONT AXLE)
419-9804 130-7459
(68) VALVE GP - BYPASS (30) SCREEN GP - AXLE OIL (21) ORIFICE
(15) MOTOR GP
(THERMAL) COOLER SCREEN
AOC FAN G19 (REAR AXLE) (REAR AXLE) 1
IMPLEMENT RETURN (RIGHT)
424-1867 342-2624
251-1635 230-3633
G24
F F
(1) ACCUMULATOR GP
(19) ORIFICE IMPLEMENT PILOT
PILOT SUPPLY
AOC / IMPLEMENT PILOT 335-0547
268-1607
(74) VALVE GP
MPLEMENT PILOT IMPLEMENT SUPPLY
160-4128 G17 G5
(39) SCREEN GP
PUMP DISCHARGE SCREEN (RIGHT)
172-2395
IMPLEMENT SUPPLY
G6
(38) SCREEN GP
(32) SCREEN GP
(45) SENSOR GP - PRESSURE PUMP DISCHARGE
(52) SENSOR GP FAN CIRCUIT
(14) FILTER GP - PILOT (IMPL & STRG PILOT OIL) SCREEN (LEFT)
SPEED (DIFFERENTIAL) SCREEN 1
357-3053 435-6041 344-7389 172-2395
(16) MOTOR GP 419-0859
E SA/HA FAN E
240-7790
(34) SCREEN GP - IMPLEMENT PUMP
PILOT SCREEN (LEFT) 1
(37) SCREEN GP (36) SCREEN GP (35) SCREEN GP 6E-5065
(24) PUMP GP (23) PUMP GP
(75) VALVE GP IMPLEMENT PUMP IMPLEMENT PUMP IMPLEMENT PUMP
IMPLEMENT (RIGHT) IMPLEMENT (LEFT)
MAKE UP PILOT SCREEN PILOT SCREEN PILOT SCREEN
512-0769 512-0769
183-7170 (RIGHT) 2 (RIGHT) 1 (LEFT) 2
TO
(57) SWITCH AS - PRESSURE 6E-5065 6E-5065 6E-5065
AUTOLUBE
(DIFFERENTIAL) OPERATOR RIGHT OPERATOR LEFT
(87) VALVE GP - SEQUENCE
(PILOT FILTER BYPASS)
(ARCTIC MIN FAN SPEED
490-0662
ATTACHMENT)
416-8241
(76) VALVE GP
D MOUNTING D
(FAN CONTROL)
431-7693
(33) SCREEN GP
FAN CIRCUIT (43) SENSOR AS
SCREEN 2 G22 PRESSURE
419-0859 (BRAKE
ACCUMULATOR)
344-7391
(26) PUMP GP
SA/HA FAN
416-4593
G23
G20
(78) VALVE GP - RELIEF
(IMPLEMENT COOLER
C BYPASS PRESSURE)
IMPLEMENT
SOS
AIR
BLEED
AIR
BLEED
AIR
AIR
BLEED
C
430-5354 SOS (22) PUMP GP BLEED
(25) PUMP GP AOC PILOT
IMPLEMENT 424-1866
COOLER / AOC FAN
424-1863 G21
G16
IMPLEMENT RETURN
IMPLEMENT RETURN
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
8 7 6 5 4 3 2 1
X7 G10
(125) SENSOR AS G9
PRESSURE
(123) SCREEN GP (BRAKE ACCUMULATOR)
STEERING PILOT SCREEN (MANIFOLD)
233-7419 344-7391 (141) VALVE GP
MANIFOLD
273-8751
(117) SCREEN GP
(120) SCREEN GP BRAKE PUMP
PUMP DISCHARGE SCREEN DISCHARGE SCREEN
172-2395 348-9235
(115) PUMP GP
C STEERING (147) VALVE GP - RELIEF C
(CE BRAKE CHARGE
UENR5398-08 VOL 2 of 2
416-4594
G13a G13b RELIEF PRESSURE)
234-0351
(Dimensions: 39 inches x 28 inches)
(113) PUMP GP
BRAKE
481-4012
8 7 6 5 4 3 2 1
CHASSIS - SIDE VIEW
VIEW ALL CALLOUTS
66
10
B
11
61 15 8
65 54
7
20 21
9
18 G19 30 31 68
CHASSIS - TOP VIEW
VIEW ALL CALLOUTS
38 G24 39 1 45 G17 37
24
36
74
57
14
35
19
23 26
34 43
76
G22
G21
G23
G20
G16
22
25
FRONT AXLE
VIEW ALL CALLOUTS
G18 17 60 53
IMPLEMENT VALVE
VIEW ALL CALLOUTS
72
41 73
42
85 48
70
91
86
X1
71
90 88 49 69 51 82
LEFT 89 RIGHT
50
46
3
81
2
80
83
84
79
47
77
PRESSURE TAPS
VIEW ALL CALLOUTS
G5 G2 G1 G3 G6 G4
RADIATOR
VIEW ALL CALLOUTS
78 32 33
6 52 16
5
67
29 75
28
63
66
12
44 13
27 40
58
55
56 59
BRAKE CONTROL
VIEW ALL CALLOUTS
101
G14
132
117 X10
122
147
113 108
130
121
114
120 B
152
126
129
PRESSURE TAP
G7
RADIATOR - REAR VIEW
VIEW ALL CALLOUTS
105
149
107
C
106
110
119