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80HX+6
User Manuals: JLG 80HX+6 Telescopic Boom Lift
Manuals and User Guides for JLG 80HX+6 Telescopic Boom Lift. We have
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JLG 80HX+6 Telescopic Boom Lift manual available for free PDF download: Service And Maintenance Manual
JLG 80HX+6 Service And Maintenance Manual (176 pages)
Brand:
JLG
| Category:
Boom Lifts
| Size: 10 MB
Table of Contents
A General
3
Table of Contents
5
Capacities
13
Engine - Ford LRG-423
14
Auxiliary Power Pump
15
Torque Requirements
16
Lubrication Diagram
17
Lubrication Chart
18
Ford Engines
21
Lubrication Specifications
22
HX W/Hydraulic Controls
23
Subject - Section, Paragraph
24
Boom Tape
24
American Standard
24
Canadian Standard
24
Major Components Weights
24
Critical Stability Weights
25
Serial Number Location
25
Torque Chart - (In/Lb - Ft/Lb). (for ASTM Fasteners)
26
Torque Chart (Metric Conversion) - (for ASTM Fasteners)
27
Torque Chart - (N, M) - (for Metric Class Fasteners)
28
Section 2 - General
29
Machine Preparation, Inspection, and Maintenance
29
General
29
Preparation, Inspection, and Maintenance
29
Pre-Start Inspection
29
Pre-Delivery Inspection and Frequent Inspection
29
Annual Machine Inspection
29
Preventative Maintenance
29
Service and Guidelines
30
General
30
Safety and Workmanship
30
Cleanliness
30
Components Removal and Installation
30
Component Disassembly and Reassembly
31
Pressure-Fit Parts
31
Bearings
31
Gaskets
31
Bolt Usage and Torque Application
31
Hydraulic Lines and Electrical Wiring
31
Hydraulic System
31
Lubrication
31
Battery
31
Lubrication and Servicing
31
Lubrication and Information
32
Hydraulic System
32
Hydraulic Oil
32
Changing Hydraulic Oil
32
Lubrication Specifications
32
Cylinder Drift Test
33
Platform Drift
33
Cylinder Drift
33
Pins and Composite Bearing Repair Guidelines
33
Welding on JLG Equipment
34
Do the Following When Welding on JLG Equipment
34
Do NOT Do the Following When Welding on JLG Equipment
34
Applying Silicone Dielectric Compound to Electrical Connections
34
Preventive Maintenance and Inspection Schedule
35
Preventive Maintenance and Inspection Schedule
36
Section 3 - Chassis & Turntable
39
Torque Hub
39
Disassembly
39
Cleaning and Inspection
39
Torque Hub Assembly
40
Repair
41
Input Shaft Assembly
42
Assembly
42
Drive Brake, Ausco - Machines Built Prior to October 1987
46
Disassembly
46
Cleaning and Inspection
47
Assembly
47
Drive Brake, Mico - Machines Built Prior to October 1987
48
Disassembly
48
Inspection
48
Assembly
48
Bleeding
49
Drive Brake, Ausco - Machines Built Prior to 1992
50
Disassembly
50
Cleaning and Inspection
50
Assembly
50
Drive Brake, Ausco - Machines Built Prior to 1992
51
Drive Brake, Mico - Machines Built from 1992 to Present
52
Disassembly
52
Inspection
52
Assembly
52
Drive Brake, Mico - Machines Built from 1992 to Present
53
Spring Loading
54
Governor Checks and Adeco Adjustment, LRG423 & LRG425
55
Checks
55
Adjustments
55
Adeco Adjustment, LRG-423 & LRG-425
56
Precision Governor Adjustment - LRG-423 & LRG-425 (Sheet 1 of 2)
57
Precision Governor Adjustment - LRG-423 & LRG-425 (Sheet 2 of 2)
58
Adeco Actuator Adjustments - F4L912
59
Checks
60
Carburetor and Governor Adjustment
60
E331 Precision Governor and Adjustments - Ford Engines
61
General
61
Quick-Start Installations
61
Mounting-Actuator
62
Linkage
62
Mounting-Controller
63
Wiring
63
Power Distribution
63
Check-Out and Initial Start-Up Procedures
64
Troubleshooting
67
Automatic Choke Adjustment Procedure
69
Automatic Choke Adjustment - Ford Engine
69
Cold Weather Starting Difficulty
70
Checking the Carburetor
70
Checking the Ignition
71
Checking the Fuel
71
Throttle Checks and Adjustments - Deutz Engine
72
Swing Bearing
72
Turntable Bearing Mounting Bolt Condition Check
72
Wear Tolerance
73
Replacement and Devcon Application Procedures on Machines Built Prior to MID 1991
73
Swing Bearing Tolerance Boom Placement
75
Swing Bearing Torquing Sequence
76
Swing Bearing Torque Values
77
Oscillating Axle Bleeding Procedure
78
Lockout Cylinder Bleeding (Without Holding Valves)
78
Lockout Cylinder Bleeding (with Holding Valves)
78
Oscillating Axle Lockout Test
79
Free Wheeling Option
79
To Disengage Drive Motors and Brakes (Free Wheel) for Towing, Etc
79
To Engage Drive Motors and Brakes (Normal Operation)
79
Subject - Section, Paragraph
80
Spark Arrestor Mufflers
80
Footswitch Adjustment
80
Hydraulic Pump W/Hayes Pump Drive Coupling Lubrication
80
Dual Fuel System
80
Changing from Gasoline to LP-Gas
80
Changing from LP Gas to Gasoline
80
Section 4 - Boom & Platform
81
Boom Maintenance
81
Removal
81
Disassembly
81
Boom Assembly (Sheet 1 of 2)
82
Boom Assembly (Sheet 2 of 2)
83
Inspection
84
Assembly
85
Installation
86
Boom Chains
87
Adjusting Procedures
87
Inspection Procedures
88
Chain Stretch Tolerance
89
Wear Pads
90
Telescope Cylinder Eccentric Bushing
90
Horizontal High Speed Cutout Switch Adjustment Procedure
90
Controllers
90
Oem
90
VICKERS (All Hydraulic)
90
Capacity Indicator
90
Capacity Indicator Cable Adjustment
90
Capacity Indicator Boom Tape Replacement
91
Installation Procedure
91
Capacity Indicator Dial Decal Replacement
91
Indicator Decal Installation
91
Basket Rotator Brake
91
Section 5 - Hydraulics
93
Cylinders - Theory of Operation
93
Double Acting Cylinders
93
Valves - Theory of Operation
93
Holding Valves
93
Solenoid Control Valves (Bang-Bang)
93
Proportional Control Valve - Vickers
93
Main Relief Valves
93
Relief Valves
93
Cylinder Checking Procedure
95
Cylinders Without Counterbalance Valves
95
Cylinders with Single Counterbalance Valve
95
Cylinders with Dual Counterbalance Valves
96
Cylinder Repair
96
Disassembly
96
Cleaning and Inspection
103
Assembly
104
Cylinder Piston Nut Torque Specifications
105
Cylinder Removal and Installation
106
Telescope Cylinder Removal
106
Telescope Cylinder Installation
106
Boom Lift Cylinder Removal
107
Boom Lift Cylinder Installation
107
Racine Proportional Air Gap Adjustment
108
Vickers Proportional Valve Pressure Setting - Prior to 1989 with Accessory Valve (Sheet 1 of 4)
111
Vickers Proportional Valve Pressure Setting - Prior to 1989 with Accessory Valve (Sheet 2 of 4)
112
Vickers Proportional Valve Pressure Setting - Prior to 1989 with Accessory Valve (Sheet 3 of 4)
113
Vickers Proportional Valve Pressure Setting - Prior to 1989 with Accessory Valve (Sheet 4 of 4)
114
Solenoid Valve Pressure Settings - Prior to MID 1992 with Steering Wheel
115
Pressure and Flow Settings - Machines Prior to MID 1992 with Steering Wheel
116
Vickers Proportional Valve Pressure Setting - MID 1992 to Present (Sheet 1 of 4)
117
Vickers Proportional Valve Pressure Setting - MID 1992 to Present (Sheet 2 of 4)
118
Vickers Proportional Valve Pressure Setting - MID 1992 to Present (Sheet 3 of 4)
119
Vickers Proportional Valve Pressure Setting - MID 1992 to Present (Sheet 4 of 4)
120
Pressure Setting - All Hydraulic Machines (Sheet 1 of 4)
121
Pressure Setting - All Hydraulic Machines (Sheet 2 of 4)
122
Pressure Setting - All Hydraulic Machines (Sheet 3 of 4)
123
Pressure Setting - All Hydraulic Machines (Sheet 4 of 4)
124
Solenoid Valve Pressure Settings - Machines Built to Present
125
Solenoid Valve Pressure Settings - 4 Wheel Steer
126
Extend-A-Reach Valve Pressure and Speed Settings
127
General
129
Platform Assembly - Troubleshooting
130
Boom Assembly - Troubleshooting
131
Turntable Assembly - Troubleshooting
136
Chassis Assembly - Troubleshooting
137
Hydraulic System - Troubleshooting
143
Electrical System - Troubleshooting
146
Wiring Schematic Dual Fuel
149
Wiring Diagram - Generator (Deutz Engines)
150
Wiring Diagram - Generator (Ford Engine)
151
Wiring Diagram - Platform Console Standard Controls (Sheet 1 of 2)
152
Wiring Diagram - Platform Console Standard Controls (Sheet 2 of 2)
153
Wiring Diagram - Platform Console Hydraulic Controls
155
Wiring Diagram - Standard (Deutz Engine/Fixed Axle/Standard Controls) (Sheet 1 of 2)
156
Wiring Diagram - Standard (Deutz Engine/Fixed Axle/Standard Controls)(Sheet 2 of 2)
157
Wiring Diagram - Standard (Deutz Engine/Oscillating Axle/Standard Controls)(Sheet 1 of 2)
158
Wiring Diagram - Standard (Deutz Engine/Oscillating Axle/Standard Controls)(Sheet 2 of 2)
159
Wiring Diagram - Standard (Deutz Engine/Hydraulic Controls)(Sheet 1 of 2)
160
Wiring Diagram - Standard (Deutz Engine/Hydraulic Controls)(Sheet 2 of 2)
161
Wiring Diagram - Standard (Ford Engine/Fixed Axle/Standard Controls)(Sheet 1 of 2)
162
Wiring Diagram - Standard (Ford Engine/Fixed Axle/Standard Controls)(Sheet 2 of 2)
163
Wiring Diagram - Standard (Ford Engine/Oscillating Axle/Standard Controls)(Sheet 1 of 2)
164
Wiring Diagram - Standard (Ford Engine/Oscillating Axle/Standard Controls)(Sheet 2 of 2)
165
Wiring Diagram - Standard (Ford Engine/Hydraulic Controls)(Sheet 1 of 2)
166
Wiring Diagram - Standard (Ford Engine/Hydraulic Controls)(Sheet 2 of 2)
167
Hydraulic Schematic (Sheet 1 of 6)
168
Hydraulic Schematic (Sheet 2 of 6)
169
Hydraulic Schematic (Sheet 3 of 6)
170
Hydraulic Schematic (Sheet 4 of 6)
171
Hydraulic Schematic (Sheet 5 of 6)
172
Hydraulic Schematic (Sheet 6 of 6)
173
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