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JLG 80HX Plus 6 Manuals
Manuals and User Guides for JLG 80HX Plus 6. We have
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JLG 80HX Plus 6 manual available for free PDF download: Service Maintenance Manual
JLG 80HX Plus 6 Service Maintenance Manual (120 pages)
Brand:
JLG
| Category:
Construction Equipment
| Size: 8.43 MB
Table of Contents
A General
3
Table of Contents
6
Capacities
11
Hydraulic Pump
12
Maximum Tire Load
14
Lubrication Specifications
15
Lubrication Diagram
16
Lubrication Chart
17
Pressure Settings
20
Major Components Weights
21
Serial Number Location
22
Component Disassembly and Reassembly
23
Pressure-Fit Parts
23
General
23
Bearings
24
Gaskets
24
Bolt Usage and Torque Application
24
Hydraulic Lines and Electrical Wiring
24
Hydraulic System
24
Lubrication
24
Battery
24
Lubrication and Servicing
24
Torque Chart
24
Hydraulic Oil
25
Changing Hydraulic Oil
25
Lubrication Specifications
25
Lubrication Information
24
Cylinders - Theory of Operation
26
Double Acting Cylinders
26
Valves - Theory of Operation
26
Holding Valves
26
Solenoid Control Valves (Bang-Bang)
26
Proportional Control Valve - Vickers (See Figure 2-1)
26
Main Relief Valves
26
Relief Valves
26
Proportional Control Valve
27
Boom Chains (See Figure 2-2.)
28
Adjusting Procedures
28
Inspection Procedures
29
Auxiliary Boom Chains
30
Wear Pads
31
Cylinder Checking Procedure
31
Cylinders Without Counterbalance Valves - Steer Cylinder and Master Cylinder
31
Cylinders with Single Counterbalance Valve - Lift Cylinder, Telescope Cylinder and Extend- A-Reach Lift Cylinder
32
Cylinders with Dual Counterbalance Valves - Platform Slave Level Cylinder, Lockout Cylinder and Extend-A-Reach Level Cylinder
32
Cylinder Repair
33
Disassembly
33
Typical Hydraulic Cylinders (Sheet 1 of 4)
34
Typical Hydraulic Cylinders (Sheet 2 of 4)
35
Typical Hydraulic Cylinders (Sheet 3 of 4)
36
Typical Hydraulic Cylinders (Sheet 4 of 4)
37
Cleaning and Inspection
38
Assembly
39
Cylinder Removal and Installation
41
Telescope Cylinder Removal
41
Telescope Cylinder Installation
42
Boom Lift Cylinder Removal
42
Boom Lift Cylinder Installation
43
Telescope Cylinder Eccentric Bushing
43
Boom Maintenance
43
Removal
43
Boom Assembly (Sheet 1 of 2)
44
Boom Assembly (Sheet 2 of 2)
45
Disassembly
46
Inspection
47
Assembly
48
Installation
50
Tilt Alarm Switch
50
Manual Adjustment
50
Voltmeter Adjustment
51
Limit Switch Adjustments
51
Boom Limit Switch
51
Horizontal Cut-Out Switch
51
Drive Cut-Out Switch - Dutch Specifications
51
Throttle Checks and Adjustments - Deutz Engine (See Figure 2-16.)
52
Adeco Actuator Adjustments - F4L912
53
Pressure Setting Procedures
54
Racine Proportional Air Gap Adjustment
54
Vickers Proportional Valve Pressure Setting - MID 1992 to Present (Sheet 1 of 4)
55
Vickers Proportional Valve Pressure Setting - MID 1992 to Present (Sheet 2 of 4)
56
Vickers Proportional Valve Pressure Setting - MID 1992 to Present (Sheet 3 of 4)
57
Vickers Proportional Valve Pressure Setting - MID 1992 to Present (Sheet 4 of 4)
58
Pressure Setting - All Hydraulic Machines (Sheet 1 of 4)
59
Pressure Setting - All Hydraulic Machines (Sheet 2 of 4)
60
Pressure Setting - All Hydraulic Machines (Sheet 3 of 4)
61
Pressure Setting - All Hydraulic Machines (Sheet 4 of 4)
62
Solenoid Valve Pressure Settings - Machines Built to Present
63
Solenoid Valve Pressure Settings - 4 Wheel Steer
64
Extend-A-Reach Valve Pressure and Speed Settings
65
Swing Bearing
66
Turntable Bearing Mounting Bolt Condition Check
66
Wear Tolerance
67
Swing Bearing Torque Values
67
Swing Bearing Torquing Sequence
68
Cleaning and Inspection
69
Disassembly
69
Torque Hub (See Figure 2-33.)
69
Torque Hub Assembly
70
Repair
71
Input Shaft Assembly
73
Assembly
73
Drive Brake, Ausco - Machines Built Prior to 1992
77
Disassembly
77
Drive Brake, Ausco - Machines Built Prior to 1992
78
Cleaning and Inspection
79
Assembly
79
Drive Brake, Mico - Machines Built from 1992 to Present
79
Disassembly
79
Drive Brake, Mico - Machines Built from 1992 to Present
80
Inspection
81
Assembly
81
Controllers
82
Oem
82
VICKERS (All Hydraulic)
82
Oscillating Axle Bleeding Procedure
82
Lockout Cylinder Bleeding (Without Holding Valves)
82
Lockout Cylinder Bleeding (with Holding Valves)
82
Oscillating Axle Lockout Test
83
Basket Rotator Brake
83
Free Wheeling Option
84
To Disengage Drive Motors and Brakes (Free Wheel) for Towing, Etc
84
To Engage Drive Motors and Brakes (Normal Operation)
84
Spark Arrestor Mufflers
84
Footswitch Adjustment
84
Hydraulic Pump W/Hayes Pump Drive Coupling Lubrication
84
Dual Fuel System
84
Changing from Gasoline to LP-Gas
84
Changing from LP Gas to Gasoline
84
Preventive Maintenance and Inspection Schedule
85
Preventive Maintenance and Inspection Schedule
86
Capacity Indicator
88
Capacity Indicator Cable Adjustment
88
Capacity Indicator Boom Tape Replacement
88
Installation Procedure
88
Capacity Indicator Dial Decal Replacement
88
Indicator Decal Installation
88
Section 3. Troubleshooting
89
General
89
Troubleshooting Information
89
Hydraulic Circuit Checks
89
Platform Assembly - Troubleshooting
90
3120863 - JLG Lift
91
Boom Assembly - Troubleshooting
91
Turntable Assembly - Troubleshooting
96
Chassis Assembly - Troubleshooting
97
Hydraulic System - Troubleshooting
103
Electrical System - Troubleshooting
106
Wiring Schematic (Sheet 1 of 4)
108
Wiring Schematic (Sheet 2 of 4)
109
Wiring Schematic (Sheet 3 of 4)
110
Wiring Schematic (Sheet 4 of 4)
111
Hydraulic Schematic (Sheet 1 of 6)
112
Hydraulic Schematic (Sheet 2 of 6)
113
Hydraulic Schematic (Sheet 3 of 6)
114
Hydraulic Schematic (Sheet 4 of 6)
115
Hydraulic Schematic (Sheet 5 of 6)
116
Hydraulic Schematic (Sheet 6 of 6)
117
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