Skytrak 8042 Service Manual User Manual Page 4
- Page / 230
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
- 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 (Ref 4150701)* 21
- 2.3 SPECIFICATIONS 23
- 2.3.3 Electrical System 24
- 8042, 10042 & 10054 24
- 2.3.5 Tires 25
- LB/FT (Nm) 30
- 2.5.4 2000 Hour 33
- 2.6 LUBRICATION SCHEDULES 34
- 6042 ONLY 36
- Section 3 39
- 3.1 BOOM SYSTEM COMPONENT 41
- 3.2 SAFETY INFORMATION 42
- (498 cm) 50
- 3.4.8 Boom Installation 52
- 3.5.1 Boom System Operation 53
- 3.6.7 Third Boom Installation 62
- BOOM EXTEND AND RETRACT 66
- 3.7.2 Inspection Guidelines 67
- 3.7.4 Chain Lubrication 69
- Replacement (10054) 78
- 3.8 QUICK ATTACH ASSEMBLY 86
- 3.9 BOOM WEAR PADS 87
- 3.11 FORKS 91
- 3.12 TROUBLESHOOTING 92
- Section 4 95
- 4.1 OPERATOR CAB AND COVERS 96
- 4.2 OPERATOR CAB 97
- 4.3 CAB COMPONENTS 97
- 4.3.2 Service Brake Pedal 98
- 4.3.3 Throttle Pedal 99
- Cab and Covers 100
- 4.3.4 Joystick Assemblies 100
- 4.4 CAB REMOVAL 102
- 4.5 CAB INSTALLATION 103
- Section 5 105
- COMPONENT TERMINOLOGY 106
- (6036 & 6042) 106
- (8042, 10042 & 10054) 107
- 5.3 GENERAL INFORMATION 108
- 5.4 AXLE ASSEMBLIES 108
- 5.4.4 Axle Maintenance 109
- 5.4.6 Axle Replacement 111
- Problem Cause Remedy 115
- TO TRANSMISSION 118
- 5.7 WHEELS AND TIRES 119
- 5.8.1 Brake Disc Inspection 120
- 5.9 TOWING A DISABLED MACHINE 122
- Section 6 123
- Transmission 123
- 6.1 TRANSMISSION ASSEMBLY 124
- AND MAINTENANCE INFORMATION 125
- 6.4 TRANSMISSION REPLACEMENT 125
- Replacement 128
- 6.5 TRANSMISSION 129
- TROUBLESHOOTING 129
- Section 7 133
- 7.1 INTRODUCTION 134
- 7.2 ENGINE SERIAL NUMBER 136
- 7.3 SPECIFICATIONS AND 136
- MAINTENANCE INFORMATION 136
- 7.4 ENGINE COOLING SYSTEM 136
- 7.5 ENGINE ELECTRICAL SYSTEM 137
- 7.6 FUEL SYSTEM 137
- 7.7 ENGINE EXHAUST SYSTEM 139
- 7.8 AIR CLEANER ASSEMBLY 140
- 7.9 ENGINE REPLACEMENT 141
- 7.10 ISOLATION COUPLER 142
- 7.11 TROUBLESHOOTING 144
- Section 8 145
- Hydraulic System 145
- 8.1 HYDRAULIC COMPONENT 146
- TERMINOLOGY 146
- 8.2 SAFETY INFORMATION 148
- 8.4 HYDRAULIC CIRCUITS 149
- 8.4.1 Hydraulic Pressures 150
- MAQ0070A 160
- MAQ0081A 161
- MAQ0090A 162
- MAQ0100A 163
- MAQ0110A 164
- 8.5 HYDRAULIC RESERVOIR 165
- 8.6 HYDRAULIC SYSTEM PUMP 166
- 8.7 VALVES AND MANIFOLDS 167
- 8.7.3 Service Brake Valve 170
- 8.7.4 Brake Test 171
- 8.7.5 Power Steering Valve 171
- 8.7.6 Steer Select Valve 172
- 8.8 HYDRAULIC CYLINDERS 176
- AFTER the head gland 178
- AXLE CENTER SECTION 179
- STEERING CYLINDER 179
- Section 9 183
- Electrical System 183
- 9.1 ELECTRICAL COMPONENT 184
- 9.2 SPECIFICATIONS 185
- 9.3 SAFETY INFORMATION 185
- 9.4 FUSES AND RELAYS 185
- MAQ0150B 187
- MAQ0160B 188
- MAQ0170B 189
- MAQ0430A 190
- MAQ0440A 191
- MAQ0450A 192
- MAQ0460A 193
- 9.6 ENGINE START CIRCUIT 194
- 9.7 CHARGING CIRCUIT 195
- 9.8 WINDOW WIPER/WASHER 196
- WINDSHIELD WIPER MOTOR 196
- 9.8.2 Skylight Wiper Motor 197
- 9.9 CAB HEATER AND FAN 198
- 9.10 SOLENOIDS, SENSORS AND 199
- 9.10.5 Service Brake Switch 202
- 9.10.6 Boom Angle Sensor 203
- (10054 only) 204
- (10054 Only) 205
- 9.11.1 Instrument Cluster 205
- 9.12 DASH SWITCHES 206
- 9.12.2 Dash Switches 207
- 9.13 TROUBLESHOOTING 208
- Section 10 215
- Stabil-TRAK 215
- 10.1 STABIL-TRAK SYSTEM 216
- BOOM EXTEND SENSOR 217
- OUTRIGGER CYLINDER 217
- PRESSURE SWITCH (2) 217
- BOOM LOCKOUT VALVE 217
- 10.3 STABIL-TRAK DESCRIPTION 218
- 8042 & 10042) 219
- Stabilizer 220
- 10.5 STABIL-TRAK SYSTEM TEST 221
- Boom Interlock System 224
- C = Closed O = Open 225
- SYSTEM TEST (10054) 226
- OPERATION AND 228
- JLG Worldwide Locations 230
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