Jlg G6-42A Service Manual Manuel d'utilisateur Page 176
- Page / 206
- Table des matières
- DEPANNAGE
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Electrical System
9-20
G6-42A, G9-43A, G10-43A
9.10 SOLENOIDS, SENSORS
AND SENDERS
9.10.1 Park Brake Solenoid Valve
a. Park Brake Solenoid Valve Removal
1. Park machine on a firm, level surface, level machine,
fully retract boom, lower boom, place transmission
control lever in (N) NEUTRAL, engage park brake
and shut engine OFF.
2. Place a Do Not Operate Tag on both ignition key
switch and steering wheel.
3. Open engine cover. Allow system fluids to cool.
4. Properly disconnect the battery.
5. Disconnect the wiring connector at the park brake
solenoid lead.
6. Remove nut on end of park brake coil (7).
7. Remove park brake coil.
8. Remove park brake solenoid (8). (Remove only if
electrical coil is found to not be faulty.)
b. Disassembly
DO NOT disassemble the solenoid. The solenoid is not
serviceable. Replace solenoid if found to be defective.
c. Park Brake Solenoid Valve Installation
Note: ALWAYS replace seals, o-rings, gaskets, etc.,
with new parts to help ensure proper sealing and
operation. Lubricate seals and o-rings with clean
hydraulic oil.
1. If necessary, install the park brake solenoid in its
original orientation.
2. Slide park brake coil over solenoid. Tighten nut to
secure solenoid. DO NOT overtighten.
3. Connect wiring connector to park brake coil lead.
4. Properly connect battery.
5. Close and secure engine cover.
6. Remove the Do Not Operate Tags from both the
ignition key switch and the steering wheel.
MY7320
7
8
IF EQUIPPED FOR ULS
MY8170
8
IF EQUIPPED FOR LS
- 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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