JLG 642 Manuals

JLG 642 Manuals

Manuals and User Guides for JLG 642. We have 2 JLG 642 manuals available for free PDF download: Operation & Safety Manual, Supplemental Repair Manual

JLG 642 Operation & Safety Manual

JLG 642 Operation & Safety Manual (202 pages)

Brand: JLG | Category: Boom Lifts | Size: 13 MB

Table of Contents

Read this First
4
Operator Qualifications
4
Modifications
4
Other Publications Available
6
Machine Configuration
6
Table of Contents
7
Section 1-General Safety Practices
13
Hazard Classification System
13
Safety Alert System and Safety Signal Words
13
General Precautions
13
Operation Safety
14
Electrical Hazards
14
Tip over Hazard
16
Travel Hazard
19
Load Falling Hazard
20
Lifting Personnel
21
Driving Hazards on Slopes
22
Pinch Points and Crush Hazards
23
Fall Hazard
25
Chemical Hazards
26
Clearsky (if Equipped)
27
Federal Communications Commission (FCC) Information for Users
27
Section 2-Pre-Operation and Inspection
29
Preparation, Inspection and Maintenance
29
Pre-Operation Check and Inspection
30
Safety Decals
32
ANSI (if Equipped)
32
ISO (if Equipped)
36
Walk-Around Inspection
40
Warm-Up and Operational Checks
42
Warm-Up Check
42
Operational Check
42
Cab
43
Enclosed Cab Windows (if Equipped)
44
Cab Door Window
44
Rear Window
45
Section 3-Controls and Indicators
47
General
47
Controls
48
Instrument Panel
50
LCD Display
52
Left Dash Control Panel
54
Right Dash Control Panel
55
Ignition
56
Park Brake
57
Parking Procedure
57
Transmission Control Lever
58
Accessory Control Lever (if Equipped)
60
Outrigger Levers (if Equipped)
61
Joystick
62
Multifunction Display (if Equipped)
64
Home Screen
65
Main Menu Screen
66
Attachment Selection Screen
68
Communication Error Screen
69
Anti Theft Functionality (if Enabled)
70
Instrument Panel Input
70
Multifunction Display Input
71
Steer Modes
72
Manual Steering Alignment Mode Change
72
Operator Seat
73
Adjustments
73
Seat Belt
74
Boom Angle and Extension Indicators
75
Reverse Systems (if Equipped)
76
Reverse Sensor System
76
Reversing Camera
77
Rear Axle Stabilization (RAS) System
78
Free Pivot Mode
78
Slow Pivot Mode
78
Locked Mode
78
Section 4-Operation
79
Engine
79
Starting the Engine
79
Extreme Cold Weather Starting (if Equipped)
80
Battery Boosted Starting
81
Normal Engine Operation
82
Shut-Down Procedure
83
After-Treatment System (ATS) (if Equipped for ULS)
84
Automatic Exhaust System Cleaning
84
Stationary Exhaust System Cleaning
85
Operating with a Non-Suspended Load
86
Lift Load Safely
86
Picking up a Load
86
Transporting a Load
87
Leveling Procedure
87
Placing a Load
88
Disengaging a Load
88
Operating with a Suspended Load
89
Lift Load Safely
89
Picking up a Suspended Load
89
Transporting a Suspended Load
90
Leveling Procedure
90
Placing a Suspended Load
91
Disengaging a Suspended Load
91
Loading and Securing for Transport
92
Tie down
92
Lifting
93
Section 5-Attachments
95
Approved Attachments
95
Unapproved Attachments
95
JLG Supplied Attachments
96
Telehandler/Attachment/Fork Capacity
98
Use of the Capacity Chart
99
Capacity Indicator Locations
99
Sample Capacity Chart
100
Example
101
Attachment Installation
103
Coupler
103
Hydraulic Operated Attachment
106
Adjusting/Moving Forks
107
Attachment Operation
108
Carriage with Forks
109
Side Shift Carriage
110
Side Tilt Carriage
112
Swing Carriage
114
Dual Fork Positioning Carriage
116
Mast Carriage
118
Side Tilt Mast Carriage
120
Pipe Grapple
122
Fork Extension
124
Bucket
126
Grapple Bucket
128
Bucket-Fork Mounted
130
Trash Hopper-Fork Mounted
132
Coupler Mounted Hook
134
Fork Mounted Hook
136
Truss Boom
138
Material Handling Arm
140
Personnel Work Platform-Fork Mounted
142
Section 6-Emergency Procedures
145
Towing a Disabled Product
145
Moving Short Distances
145
Moving Longer Distance
145
Emergency Lowering of Boom
146
Emergency Exit from Enclosed Cab
147
Inside Cab
147
Outside Cab (if Equipped)
147
Section 7-Lubrication and Maintenance
149
Introduction
149
Clothing and Safety Gear
149
General Maintenance Instructions
150
Service and Maintenance Schedules
151
10 & 1St 50 Hour Maintenance Schedule
151
50, 1St 250 & 250 Hour Maintenance Schedule
152
500, 750 & 1000 Hour Maintenance Schedule
153
Lubrication Schedules
156
50 Hour Lubrication Schedule
156
1000 Hour Lubrication Schedule
160
Operator Maintenance Instructions
163
Engine Maintenance Components
163
Fuel System
166
Emission System (if Equipped for ULS)
168
Engine Oil
169
Air Intake System
170
Tires
172
Hydraulic Oil
174
Transmission Oil
175
Brake Fluid
176
Engine Cooling System
177
Windshield Washer System (if Equipped)
178
Section 8-Additional Checks
179
General
179
Reverse Sensor System (if Equipped)
179
Section 9-Specifications
181
Product Specifications
181
Fluids
181
Capacities
184
Tires
186
Performance
188
Dimensions
190
Index
193
Inspection, Maintenance and Repair Log
197

Advertisement

JLG 642 Supplemental Repair Manual

JLG 642 Supplemental Repair Manual (180 pages)

Drive Axle

Brand: JLG | Category: Lifting Systems | Size: 7 MB

Table of Contents

Table of Contents
5
Introduction

9
Specifications

11
- Definition of Viewpoints
  11
- Data Plate
  11
- Conversion Tables
  12
- Torque Specifications
  13
  - Coarse Pitch
    13
  - Fine Pitch
    13
  - Wheel Nut Tightening Torques
    14
- Maintenance
  15
  - Maintenance Points
    15
  - Maintenance Intervals
    16
  - Adjustment and Checks
    16
  - Lubricant & Sealant Specifications
    17
Safety Precautions

19
Checking Wear and Replacing the Braking Discs

21
- Exploded View
  21
- Disassembly
  22
- Assembly
  24
- Special Tools
  26
Complete Steering Case

27
- Exploded View
  27
- Disassembly
  28
- Assembly
  29
Double U-Joint

31
- Exploded View
  31
- Disassembly
  32
- Assembly
  33
- Special Tools
  35
Planetary Reduction Gear

37
- Exploded View
  37
- Disassembly
  38
- Assembly
  42
- Special Tools
  46
Steering Cylinder

49
- Exploded View
  49
- Optical Sensor and Magnetic Sensor
  50
- Disassembly
  51
- Assembly
  54
- Special Tools
  60
Differential Unit

63
- Exploded View
  63
- Disassembly
  64
- Assembly
  66
- Special Tools
  68
Bevel Pinion

69
- Exploded View
  69
- Disassembly
  70
- Assembly
  73
- Special Tools
  79
Manual Emergency Relase

85
- Exploded View
  85
- Release
  86
- Adjust
  87
Mechanical Parking Brake

89
- Exploded View
  89
- Disassembly
  90
- Assembly
  92
External Hydraulic Negative Brake

95
- Exploded View
  95
- Disassembly
  96
- Assembly
  97
External Hydraulic Negative Brake with Quick Release

99
- Exploded View
  99
- Disassembly
  100
- Assembly
  102
Incoming Drum Brake

105
- Exploded View
  105
- Disassembly
  106
- Assembly
  108
- Special Tools
  110
4" Incoming Brake (2 and 3 Function Versions)

113
- Exploded View
  113
- Disassembly
  114
- Assembly
  118
- Special Tools
  124
Normal Differential Unit

127
- Exploded View
  127
- Disassembly
  128
- Assembly
  130
- Special Tools
  133
Limited Slip Differential Unit (25% and 45%)

135
- Exploded View
  135
- Disassembly
  136
- Assembly
  139
- Special Tools
  142
Hydraulic Differential Lock

145
- Exploded View
  145
- Disassembly
  146
- Assembly
  149
- Special Tools
  151
Hydraulic Negative Brake

153
- Exploded View
  153
- Disassembly
  154
- Assembly
  157
Incorporated Reduction Gear and Pinion 602

163
- Exploded View
  163
- Disassembly
  164
- Assembly
  168
- Special Tools
  171

Advertisement

Related Products

JLG Categories

Boom Lifts Lifting Systems Scissor Lifts Construction Equipment Work Light

More JLG Manuals