Jlg G6-23A Service Manual Manuel d'utilisateur Page 115
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- Table des matières
- DEPANNAGE
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
9.25
G5-19A, G6-23A
Electrical System
9.11.8 Main Control Valve Solenoids
a. Main Control Valve Solenoid Removal
1. Open the engine cover. Allow the engine to cool.
2. Disconnect the battery negative (-) cable at the
battery negative (-) terminal.
3. Remove rear panel
4. Disconnect the wiring connector at the valve
solenoid lead.
5. Loosen and remove the two allenhead mounting
screws.
6. Remove the valve solenoid (4) being careful not to
lose or damage any o-rings. Note the location of any
orifices, check valves and o-rings if equipped.
b. Main Control Valve Solenoid Disassembly
DO NOT disassemble a valve solenoid. Replace a
defective valve solenoid with a new solenoid.
c. Main Control Valve Solenoid Installation
1. Install the valve solenoid using new o-rings and
tighten the allenhead screws. Do not over tighten.
2. Connect the wire connector to the valve solenoid.
3. Start the machine and slowly move joystick to
engage function. If further troubleshooting is
required, refer to Section 9.4, “Electrical System
Schematics.” or Section 8.6, “Hydraulic Schematic.”
4. Replace rear cover.
5. Close and secure the engine cover.
9.12 CONTROLLER
If the controller has been replaced, the default settings for
the Joystick functions must be properly configured.
9.12.1 Joystick Functionality Setting
1. Connect the JLG Analyzer (P/N 2901443) tool to the
PCB board on the machine. Turn the ignition to the
ON position.
2. Scroll through the menus to find "ACCESS LEVEL 2"
3. Press enter and key in the code "38644" to enter
"ACCESS LEVEL 0".
4. Scroll through the menus to find "MACHINE SETUP"
5. Choose the option that coincides with the joystick
decal in the cab.
6. Verify that joystick functions coincide with the
joystick decal in the cab.
9.13 TROUBLESHOOTING
9.13.1 Analyzer Usage
Help messages can be viewed using the JLG Analyzer
(P/N 2901443). The Help messages can be accessed by
pressing the ENTER key while viewing the current Help
message. The Help message shall be EVERYTHING OK
when no fault is present. The Analyzer cable plugs into
the X26 connector of the PCB board located behind the
operator’s seat.
When the analyzer is first connected, it defaults to access
level 2. Settings may only be viewed in level 2. Settings
cannot be changed until a password is entered to
advance to one of three lower levels.
For more information, contact your local JLG distributor.
MAH1080
4
Code Function
JYSTK ASSIGN:
1-X/K FORK/TELE
Joystick left/right = fork tilt
Knurl = boom extend/retract
JYSTK ASSIGN:
2-X/KS TELE/FORK
Joystick left/right = boom
extend/retract
Knurl = fork tilt (slow)
JYSTK ASSIGN:
3-X/KF TELE/FORK
Joystick left/right = boom
extend/retract
Knurl = fork tilt (fast)
- Service Manual 1
- EFFECTIVITY PAGE 3
- SECTION CONTENTS 5
- Section Subject Page 6
- Section 1 7
- Safety Practices 7
- 1.1 INTRODUCTION 8
- 1.2 DISCLAIMER 8
- 1.4 DO NOT OPERATE TAGS 8
- 1.5 SAFETY INFORMATION 9
- 1.6 SAFETY INSTRUCTIONS 9
- 1.7 SAFETY DECALS 10
- Section 2 11
- 2.1 REPLACEMENT PARTS AND 12
- WARRANTY INFORMATION 12
- 2.2 TORQUES 13
- CLASS 8.8 METRIC BOLTS & 15
- CLASS 8 METRIC NUTS 15
- CLASS 10.9 METRIC BOLTS & 15
- CLASS 10 METRIC NUTS 15
- 2.3 SPECIFICATIONS 16
- 2.3.5 Tires 17
- 2.4 FLUIDS, LUBRICANTS AND 18
- CAPACITIES 18
- 2.5 MAINTENANCE SCHEDULES 19
- 2.6 LUBRICATION SCHEDULES 20
- G5-19A, G6-23A 21
- Section 3 23
- 3.1 BOOM SYSTEM COMPONENT 24
- TERMINOLOGY 24
- 3.2.1 Boom System Description 25
- 3.3.1 Boom Removal 26
- 3.3.4 Boom Installation 27
- 3.4 BOOM WEAR PADS 28
- 3.5 QUICK SWITCH ASSEMBLY 29
- 3.6 TROUBLESHOOTING 31
- Problem Cause Remedy 31
- Section 4 33
- Cab and Covers 33
- COMPONENT TERMINOLOGY 34
- WARNING: DO NOT service the 35
- 4.3.3 Brake Pedal and Valve 36
- 4.3.4 Inching Valve 37
- 4.3.9 Heater/Defroster System 39
- 4.4 CAB REMOVAL 40
- 4.5 CAB INSTALLATION 42
- Section 5 43
- WARNING: An improperly 46
- 5.3.6 Axle Installation 47
- 5.4 DRIVE SHAFTS 51
- WARNING: Risk of death or 52
- 5.6 STEERING ADJUSTMENT 53
- 5.7 BRAKES 53
- Section 6 55
- Transmission: 55
- 6.1 TRANSMISSION ASSEMBLY 56
- WARNING: BLOCK ALL FOUR 59
- Section 7 61
- Engine: Deutz BF 4M 2012 61
- 7.1 INTRODUCTION 62
- 7.2 ENGINE SERIAL NUMBER 64
- 7.3 SPECIFICATIONS AND 64
- MAINTENANCE INFORMATION 64
- 7.4 ENGINE COOLING SYSTEM 64
- 7.6 FUEL SYSTEM 65
- CLEANER SYSTEM 66
- 7.8 ENGINE REPLACEMENT 67
- 7.8.3 Engine Installation 68
- 7.9 ENGINE COUPLER 69
- 7.10 TROUBLESHOOTING 70
- Section 8 71
- Hydraulic System 71
- 8.1 HYDRAULIC COMPONENT 72
- 8.6 HYDRAULIC SCHEMATIC 76
- 8.7 HYDRAULIC RESERVOIR 78
- 8.8 HYDRAULIC SYSTEM PUMP 78
- 8.9 FRONT DRIVE PUMP 80
- 8.10 VALVES AND MANIFOLDS 81
- 8.10.2 Service Brake Valve 82
- 8.10.3 Parking Brake 83
- 8.10.4 Brake Test 84
- 8.10.6 Steer Select Valve 84
- 8.11 HYDRAULIC CYLINDERS 86
- 8.11.4 Cylinder Inspection 87
- 8.11.7 Steering Cylinders 88
- Specifications 89
- Section 9 91
- 9.1 ELECTRICAL COMPONENT 93
- 9.2 SPECIFICATIONS 94
- 9.3 FUSES AND RELAYS 94
- JLG distributor 97
- Electrical System 100
- 9.4.6 Dashboard Schematic 102
- 9.5 CIRCUIT BREAKDOWNS 103
- 9.5.2 Start Circuit Breakdown 104
- 9.5.3 Drive Circuit Breakdown 105
- 9.6 ENGINE START CIRCUIT 107
- 9.7 CHARGING CIRCUIT 108
- 9.8.1 Back-up Alarm 109
- 9.8.2 Instrument Cluster 109
- 9.9 WINDOW WIPER/WASHER 110
- 9.10 CAB HEATER AND FAN 111
- 9.11 SWITCHES, SOLENOIDS AND 112
- 9.11.4 Hourmeter 113
- 9.11.6 Fuel Shut-off Solenoid 114
- 9.11.7 Oil Pressure Sender 114
- 9.12 CONTROLLER 115
- 9.13 TROUBLESHOOTING 115
- 9.13.2 Fault Codes 116
- JLG Worldwide Locations 122
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