Jlg G6-42A Service Manual Manuel d'utilisateur Page 159
- Page / 246
- Table des matières
- DEPANNAGE
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
8-25
G6-42A, G9-43A, G10-43A
Hydraulic System
fittings to keep dirt & debris from entering the
hydraulic system.
7. Remove the bolts holding the outrigger control valve
to the frame.
b. Outrigger Valve Installation
1. Install the outrigger valve onto the machine frame.
2. Uncap and connect the previously labeled hydraulic
hoses to the outrigger valve.
3. Check the routing of all hoses, wiring and tubing for
sharp bends or interference with any rotating
members, and install tie wraps and/or protective
conduit as required. Tighten all hose clamps.
4. Properly connect the battery.
5. Start the engine and run at approximately 1/3-1/2
throttle for about one minute without moving the
machine or operating any hydraulic functions.
6. Inspect for leaks and check the level of the hydraulic
fluid in the reservoir. Shut the engine OFF.
Note: Check for leaks and repair as required before
continuing. Add hydraulic fluid to the reservoir as
needed.
7. Wipe up any hydraulic fluid spillage in, on, near and
around the machine, work area and tools.
8. Close and secure the engine cover.
9. Remove the Do Not Operate Tags from both the
ignition key switch and the steering wheel.
8.8 HYDRAULIC CYLINDERS
8.8.1 General Cylinder Removal
Instructions
1. Remove any attachment from the machine. Park the
machine on a firm level surface and fully retract the
boom. Allow sufficient work space around the
hydraulic cylinder being removed. Support the boom
if the lift/lower cylinder is being removed. Place the
travel select lever in (N) NEUTRAL, engage the park
brake, shut the engine OFF and chock wheels.
2. Place a Do Not Operate Tag on both the ignition key
switch and the steering wheel.
3. Open the engine cover. Allow the system fluids to
cool.
4. Label, disconnect and cap or plug hydraulic hoses in
relation to the cylinder.
5. Attach a suitable sling to an appropriate lifting device
and to the cylinder. Make sure the device used can
actually support the cylinder.
6. Remove the lock bolt and/or any retaining clips
securing the cylinder pins. Remove the cylinder pins.
7. Remove the cylinder.
8. Wipe up any hydraulic fluid spillage in, on, near and
around the machine, work area and tools.
a. General Cylinder Disassembly
1. Clean the cylinder with a suitable cleaner before
disassembly. Remove all dirt, debris and grease
from the cylinder.
2. Clamp the barrel end of the cylinder in a soft-jawed
vise or other acceptable holding equipment if
possible.
MZ0400
- 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
- CLASS 10.9 METRIC BOLTS 20
- CLASS 10 METRIC NUTS 20
- M6 AND ABOVE* 21
- 2.3 SPECIFICATIONS 23
- 2.3.4 Electrical System 25
- 2.3.5 Tires 26
- 2.5 SERVICE AND MAINTENANCE 30
- SCHEDULE 30
- 2.6 LUBRICATION SCHEDULE 33
- 2.6.2 G9-43A / G10-43A 36
- Section 3 39
- 3.1 BOOM SYSTEM COMPONENT 41
- 3.2.1 Boom System Operation 42
- 3.4 COMPLETE BOOM REMOVAL/ 43
- INSTALLATION 43
- 3.5 BOOM SECTION REMOVAL/ 44
- Assembly 47
- Installation 50
- 3.6 EXTEND/RETRACT CHAIN 52
- REMOVAL/INSTALLATION 52
- CYLINDER REMOVAL/ 54
- Remove the strong back 55
- 3.8 BOOM ADJUSTMENTS 58
- G9-43A/G10-43A 60
- 3.9 QUICK SWITCH ASSEMBLY 63
- 3.11 BOOM WEAR PADS 64
- 3.12 BOOM EXTEND AND RETRACT 65
- 3.12.2 Inspection Guidelines 66
- 3.13 FORKS 68
- 3.14 EMERGENCY BOOM LOWERING 69
- PROCEDURE 69
- 3.15 TROUBLESHOOTING 71
- Section 4 75
- Cab and Covers 75
- 4.1 OPERATOR CAB AND COVERS 76
- 4.1.2 General Overview 77
- 4.2 OPERATOR CAB 79
- 4.3 CAB COMPONENTS 79
- 4.3.2 Service Brake Pedal 80
- 4.3.3 Throttle Pedal 81
- (If Equipped) 82
- (G10-43A) Joysticks 83
- (if equipped) 84
- 4.4 CAB REMOVAL 85
- 4.5 CAB INSTALLATION 86
- Section 5 89
- 5.2 GENERAL INFORMATION 91
- 5.3 AXLE ASSEMBLIES 91
- 5.3.5 Axle Removal 92
- 5.3.6 Axle Installation 93
- TRANSMISSION 98
- 5.5 WHEELS AND TIRES 99
- 5.6 BRAKES 100
- 5.7 TOWING A DISABLED MACHINE 100
- G6-42A, G9-43A, G10-43A 101
- Transmission 103
- Section 6 103
- 6.1 TRANSMISSION ASSEMBLY 104
- COMPONENT TERMINOLOGY 104
- DANA TRANSMISSION 106
- ZF TRANSMISSION 106
- Replacement 108
- 6.5 ENGINE DRIVE PLATE 109
- 6.7 TROUBLESHOOTING 112
- Problem Cause Remedy 112
- Section 7 117
- 7.1 INTRODUCTION - JOHN DEERE 118
- 7.1.4 Component Terminology 119
- 7.2 INTRODUCTION - PERKINS 120
- 7.2.4 Component Terminology 121
- 7.3 INTRODUCTION - CUMMINS 122
- 7.3.4 Component Terminology 123
- TYPICAL 124
- THERMOSTAT 124
- CUMMINS RADIATOR ASSSEMBLY 125
- 7.5 ENGINE ELECTRICAL SYSTEM 126
- 7.6 FUEL SYSTEM 126
- 7.6.2 Fuel Tank 127
- 7.7 ENGINE EXHAUST SYSTEM 128
- 7.8 AIR CLEANER ASSEMBLY 129
- 7.9 ENGINE REPLACEMENT 130
- 7.9.2 Engine Installation 131
- 7.10 TROUBLESHOOTING 133
- Section 8 135
- Hydraulic System 135
- 8.1 HYDRAULIC COMPONENT 136
- TERMINOLOGY 136
- 8.2 SAFETY INFORMATION 137
- 8.4 HYDRAULIC CIRCUITS 139
- 8.5 HYDRAULIC RESERVOIR 151
- 8.6 IMPLEMENT PUMP 152
- 8.7 CONTROL VALVES 153
- G9-43A & G10-43A 154
- 8.7.2 Service Brake Valve 156
- 8.7.3 Brake Test 156
- 8.7.4 Steering Orbitrol Valve 157
- 8.7.5 Steer Select Valve 157
- 8.8 HYDRAULIC CYLINDERS 159
- AXLE CENTER SECTION 161
- STEERING CYLINDER 161
- Section 9 165
- Electrical System 165
- TILT SPEED 167
- 9.4.3 Power Control Board 170
- 9.5.1 Before S/N 0160011059 174
- JOHN DEERE ENGINE 187
- PERKINS ENGINE 188
- DANA SHIFTER 189
- AIR CONDITIONING OPTION 195
- (JOHN DEERE ONLY) 195
- CUMMINS ENGINE 200
- 9.6 CIRCUIT BREAKDOWNS 202
- MY6360 B 203
- JOHN DEERE 204
- 9.6.3 Charging Circuit 207
- 9.7 ENGINE START CIRCUIT 209
- 9.8 CHARGING CIRCUIT 210
- 9.9 WINDOW WIPER/WASHER 211
- WINDSHIELD WIPER MOTOR 211
- 9.10 CAB HEATER AND FAN 212
- 9.11.7 Fuel Level Sender 218
- 9.12.1 Analog Gauges 219
- 9.13 DASH SWITCHES 220
- 9.13.2 Dash Switches 221
- 9.14.2 Diagnostics Menu 223
- 9.15 HAND HELD ANALYZER 224
- MAL0890A 225
- 9.16 JOYSTICK FAULT CODES 226
- DTC Event Comment Latched 226
- JLG Worldwide Locations 246
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