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Service Manual
1
EFFECTIVITY PAGE
3
SECTION CONTENTS
5
Section Subject Page
6
Section 1
9
Safety Practices
9
1.1 INTRODUCTION
10
1.2 DISCLAIMER
10
1.4 DO NOT OPERATE TAGS
10
1.5 SAFETY INFORMATION
10
1.6 SAFETY INSTRUCTIONS
11
1.7 SAFETY DECALS
12
Section 2
13
2.1 REPLACEMENT PARTS AND
14
WARRANTY INFORMATION
14
2.2 TORQUE CHARTS
15
(Continued)
16
SOCKET HEAD CAP SCREWS
17
CLASS 8.8 METRIC BOLTS
19
CLASS 8 METRIC NUTS
19
Magni Coating*
21
2.3 SPECIFICATIONS
23
2.3.5 Tires
24
2.5 SERVICE AND MAINTENANCE
27
SCHEDULES
27
LB/FT (Nm)
28
2.6 LUBRICATION SCHEDULES
30
Section 3
31
3.1 BOOM SYSTEM COMPONENT
32
3.2 BOOM SYSTEM
33
BOOM EXTEND AND RETRACT
44
3.4.2 Inspection Guidelines
45
3.4.4 Chain Lubrication
47
3.5 BOOM WEAR PADS
52
3.6 QUICK ATTACH ASSEMBLY
53
3.7 FORKS
53
3.8 TROUBLESHOOTING
54
3.9 EMERGENCY BOOM LOWERING
57
Section 4
61
Cab and Covers
61
4.2 OPERATOR’S CAB
63
4.3 CAB COMPONENTS
63
4.3.2 Steer Select Valve
64
4.3.4 Throttle Pedal
65
4.3.6 Joystick Assemblies
67
4.4 ENCLOSED CAB (OPTIONAL)
68
COMPONENTS
68
4.5 CAB REMOVAL
69
4.6 CAB INSTALLATION
71
4.7 VALVE PLATE
72
Section 5
73
5.2 GENERAL INFORMATION
75
5.3 AXLE ASSEMBLIES
75
5.3.5 Axle Replacement
76
5.3.6 Axle Installation
77
To Transmission
82
5.5 WHEELS AND TIRES
83
Tread “arrows” must point
84
Install tires onto wheels to
84
5.7 TOWING A DISABLED MACHINE
85
Section 6
87
6.1 TRANSMISSION ASSEMBLY
88
AND MAINTENANCE INFORMATION
89
6.4 TRANSMISSION REPLACEMENT
89
6.5 TROUBLESHOOTING
93
6.6 TRANSFER CASE COMPONENT
97
6.7 TRANSFER CASE
98
6.9 TRANSFER CASE MAINTENANCE
98
6.10.1 Transfer Case Removal
99
6.11 TROUBLESHOOTING
100
Problem Cause Remedy
100
Transmission
102
Section 7
103
7.1.1 Disclaimer and Scope
104
7.1.2 Component Terminology
105
7.2 ENGINE SERIAL NUMBER
106
7.3 SPECIFICATIONS AND
106
MAINTENANCE INFORMATION
106
7.4 ENGINE COOLING SYSTEM
106
7.5 ENGINE ELECTRICAL SYSTEM
107
7.6 FUEL SYSTEM
107
7.7 ENGINE EXHAUST SYSTEM
109
7.8 AIR CLEANER ASSEMBLY
110
7.9 ENGINE REPLACEMENT
111
7.9.2 Engine Installation
113
7.10 TROUBLESHOOTING
115
Section 8
117
Hydraulic System
117
8.1 HYDRAULIC COMPONENT
118
TERMINOLOGY
118
8.2 SAFETY INFORMATION
119
8.4 HYDRAULIC CIRCUITS
121
Hydraulic Pump Flow Test
123
DUAL JOYSTICK CONFIGURATION
128
8.5 HYDRAULIC RESERVOIR
129
8.6 HYDRAULIC SYSTEM PUMP
132
8.7 VALVES AND MANIFOLDS
133
8.7.2 Main Control Valve
134
8.7.9 Service Brake Valve
144
8.7.10 Brake Test
145
8.7.11 Power Steering Valve
145
8.7.12 Steer Select Valve
146
Function Valve
148
8.7.14 Accumulators
149
8.7.15 General Information
150
8.7.16 Checking Pre-Charge
152
8.8 HYDRAULIC CYLINDERS
154
AFTER the head gland
155
AXLE CENTER SECTION
156
STEERING CYLINDER
156
Section 9
159
Electrical System
159
9.1 ELECTRICAL COMPONENT
161
9.2 SPECIFICATIONS
162
9.3 SAFETY INFORMATION
162
9.4 FUSES AND RELAYS
162
9.5 ELECTRICAL SCHEMATICS
164
CHASSIS CIRCUIT
170
AUXILIARY HYDRAULICS
170
ENCLOSED CAB OPTION
170
9.7 ENGINE START CIRCUIT
172
9.8 CHARGING CIRCUIT
173
9.9 WINDOW WIPER/WASHER
174
WINDSHIELD WIPER MOTOR
174
9.9.2 Skylight Wiper Motor
175
9.9.3 Rear Wiper Switch/Motor
176
9.10 CAB HEATER AND FAN
178
9.11 SWITCHES AND SOLENOIDS
179
PARK BRAKE INDICATOR
181
9.11.9 Dual Joystick
185
9.11.11 Boom Angle Sensor
188
9.11.15 Hourmeter
191
9.12 DASH SWITCHES
194
9.13 TROUBLESHOOTING
195
Multimeter (DMM)
208
Section 10
213
Stabil-TRAK™ System
213
10.1 STABIL-TRAK™ SYSTEM
214
COMPONENT TERMINOLOGY
214
10.2 STABIL-TRAK™ DESCRIPTION
215
10.4 STABIL-TRAK™ SYSTEM TEST
222
Locked Mode, Frame Sway Right
235
Section 11
241
Transfer Carriage
241
11.2 TRANSFER CARRIAGE
243
11.3 TRANSFER CARRIAGE
243
MAINTENANCE
243
11.3.3 Rear Wear Pad Check
249
11.3.4 Rear Wear Pad Shimming
250
11.3.10 Rear Roller Gap Check
252
11.3.11 Rear Roller Shimming
253
11.3.13 Front Roller Shimming
255
Replacement
256
11.4 TROUBLESHOOTING
262
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266
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