Jlg G6-42A Service Manual Manuel d'utilisateur Page 130
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- Table des matières
- DEPANNAGE
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Hydraulic System
8-2
G6-42A, G9-43A, G10-43A
8.1 HYDRAULIC COMPONENT
TERMINOLOGY
To understand the safety, operation and service
information presented in this section, it is necessary that
the operator/mechanic be familiar with the name and
location of the hydraulic components of the machine. The
following illustration identifies the components that are
referred to throughout this section.
8.1.1 G6-42A Components
MY8090
TILT
CYLINDER
FRAME LEVEL
CYLINDER
LIFT/LOWER
CYLINDER
HYDRAULIC FLUID
RESERVOIR
COMPENSATION
CYLINDER
EXTEND/RETRACT
CYLINDER
(INSIDE BOOM)
MAIN CONTROL
VALVE
PRIORITY
VALVE
- Service Manual 1
- EFFECTIVITY PAGE 3
- READ THIS FIRST 4
- 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 THREAD LOCKING COMPOUND 14
- 2.3 TORQUE CHARTS 15
- SOCKET HEAD CAP SCREWS 19
- 2.4 SPECIFICATIONS 26
- 2.4.4 Engine Specifications 28
- 2.4.5 Tires 29
- 2.5.3 Capacities 32
- LB/FT (Nm) 33
- 2.7 LUBRICATION SCHEDULE 36
- 2.7.2 250 Hour 37
- 2.7.3 1000 Hour 38
- Section 3 39
- 3.1 BOOM SYSTEM 41
- 3.2 BOOM SYSTEM—THREE SECTION 42
- 3.4 COMPLETE BOOM REMOVAL/ 43
- INSTALLATION 43
- 3.5 BOOM SECTION 44
- REMOVAL/INSTALLATION 44
- 3.5.6 Second and Third Boom 51
- Section Installation 51
- 3.6 EXTEND/RETRACT CHAIN 53
- 3.7 PUSH BEAM—EXTEND/RETRACT 54
- CYLINDER REMOVAL/ 54
- Remove strong back 56
- 3.8 BOOM ADJUSTMENTS 58
- G9-43A/G10-43A 61
- 3.9 QUICK SWITCH ASSEMBLY 63
- 3.10 BOOM WEAR PADS 64
- Lubrication: 65
- 3.11 BOOM EXTEND AND 66
- RETRACT CHAINS 66
- 3.11.3 Inspection Guidelines 67
- 3.11.4 Chain Lubrication 68
- 3.12 FORKS 69
- 3.13 EMERGENCY BOOM LOWERING 69
- PROCEDURE 69
- 3.14 TROUBLESHOOTING 72
- Section 4 77
- Cab and Covers 77
- 4.1 OPERATOR CAB AND COVERS 78
- 4.2 OPERATOR CAB 80
- 4.3 CAB COMPONENTS 80
- 4.3.2 Service Brake Pedal 81
- 4.3.3 Accelerator Pedal 82
- Accelerator Pedal Removal 82
- 4.3.4 Boom Joystick Assembly 83
- Outrigger Joysticks 83
- (if equipped) 84
- 4.4 CAB REMOVAL 86
- 4.5 CAB INSTALLATION 87
- Section 5 89
- 5.2 AXLE SERIAL NUMBER 92
- 5.3 AXLE SPECIFICATIONS AND 92
- MAINTENANCE INFORMATION 92
- 5.4 AXLE REPLACEMENT 92
- 5.5 DRIVE SHAFTS 97
- 5.6 WHEELS AND TIRES 98
- 5.7 BRAKES 99
- 5.8 TOWING A DISABLED MACHINE 100
- Section 6 101
- Transmission 101
- COMPONENT TERMINOLOGY 102
- 6.1 TRANSMISSION ASSEMBLY 102
- AND MAINTENANCE INFORMATION 103
- 6.4 TRANSMISSION REPLACEMENT 103
- Internal Repair 105
- BY-PASS VALVE 107
- 6.6.2 Torque Convertor 108
- Diaphragm Installation 108
- 6.7 TROUBLESHOOTING 109
- Problem Cause Remedy 109
- Section 7 113
- 7.1 INTRODUCTION—CUMMINS 114
- G6-42A, G9-43A, G10-43A 115
- 7.2 ENGINE COOLING SYSTEM 117
- 7.3 ENGINE ELECTRICAL SYSTEM 120
- 7.4 FUEL SYSTEM 120
- 7.4.2 Fuel Tank 121
- 7.5 ENGINE EXHAUST SYSTEM 123
- 7.6 AIR CLEANER ASSEMBLY 125
- 7.7 ENGINE REPLACEMENT 127
- 7.7.2 Engine Installation 128
- Section 8 129
- Hydraulic System 129
- 8.1 HYDRAULIC COMPONENT 130
- TERMINOLOGY 130
- 8.2 SAFETY INFORMATION 132
- 8.4 HYDRAULIC CIRCUITS 134
- STABILIZER OPTION 139
- AUXILIARY 139
- HYDRAULICS OPTION 139
- 8.4.8 Anti-Stall System 142
- 8.5 HYDRAULIC RESERVOIR 143
- 8.6 IMPLEMENT PUMP 144
- 8.7 CONTROL VALVES 145
- 8.7.2 Service Brake Valve 148
- 8.7.3 Service Brake Bleeding 148
- 8.7.4 Steering Orbitrol Valve 149
- 8.7.5 Steer Select Valve 149
- 8.8 HYDRAULIC CYLINDERS 151
- AFTER the head gland 153
- 8.8.3 Steering Cylinders 153
- Section 9 157
- Electrical System 157
- 9.1 ELECTRICAL COMPONENT 159
- 9.2 SPECIFICATIONS 161
- 9.3 SAFETY INFORMATION 161
- 9.4 FUSES AND RELAYS 161
- SEE ACCESSORY MODULE 164
- 9.5.2 Options Schematic 165
- 9.5.4 Chassis Schematic 167
- PUMP DISPLACEMENT MODULE 168
- 9.6 ENGINE START CIRCUIT 170
- 9.7 CHARGING CIRCUIT 171
- 9.7.2 Alternator—LS 172
- 9.8 WINDOW WIPER/WASHER 173
- WINDSHIELD WIPER MOTOR 173
- Reservoir 174
- 9.9 CAB HEATER AND FAN 175
- 9.10 SOLENOIDS, SENSORS 176
- AND SENDERS 176
- 9.10.5 Fuel Level Sender 178
- 9.11 DISPLAY GAUGE AND 180
- DASH SWITCHES 180
- 9.11.3 Dash Switches 181
- 9.12 HAND HELD ANALYZER 183
- - G9-43A AND G10-43A 183
- MAL0890B 184
- DTC Event Comment Latched 187
- FAULT CODES 194
- JLG Worldwide Locations 206
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