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General| Brand | JLG |
|---|---|
| Model | 642 |
| Category | Boom Lifts |
| Language | English |
Details the required skills, physical, and mental condition for machine operators.
States that modifications must be approved by JLG to ensure compliance with standards.
Lists related manuals and their part numbers for additional information.
Explains how machine configurations are referred to based on fuel decals.
Defines DANGER, WARNING, and CAUTION signal words for hazard communication.
Provides essential safety precautions before operating the telehandler.
Details safe operating distances and procedures when working near electrical lines.
Explains factors contributing to tip-over and how to avoid them, including load capacity.
Identifies hazardous areas on the machine to avoid to prevent crushing or cutting injuries.
Details safety procedures for mounting, dismounting, and preventing falls from the machine.
Covers hazards associated with exhaust fumes, flammable fuels, and hydraulic fluids.
Outlines the table for periodic machine inspections and required maintenance.
Lists the essential checks to perform before each work shift or operator change.
Ensures all safety decals are legible and in place, providing visual examples.
Guides the operator through a systematic visual inspection of the machine's components.
Describes the procedures for warming up the engine and checking operational systems.
Provides warnings and requirements regarding the condition and modification of the telehandler's cab.
Provides an overview of the machine's primary controls with numbered callouts.
Explains the function of various indicators and gauges on the instrument panel.
Describes the indicators, driving direction, gear display, and operating hours shown on the LCD.
Details the switches and functions located on the left side of the operator's dash.
Details the switches and functions located on the right side of the operator's dash.
Explains the different positions of the ignition switch and their functions.
Describes the park brake switch operation and the parking procedure.
Explains how to select the direction of travel and gear using the transmission control lever.
Describes the joystick functions for controlling boom, tilt, hydraulics, and transmission disconnect.
Outlines the features and navigation of the multifunction display, including home and menu screens.
Explains the process of entering a numeric code for anti-theft activation and operation.
Describes the available steer modes (2-wheel, 4-wheel, crab) and how to change them.
Details the adjustments for suspension and fore/aft position, and seat belt usage.
Covers the reverse sensor system and reversing camera for enhanced rearward visibility.
Covers engine starting procedures, including normal and cold weather conditions.
Explains the automatic and stationary exhaust system cleaning processes.
Provides detailed instructions on safely lifting, transporting, and placing non-suspended loads.
Details safe practices for picking up, transporting, and placing suspended loads.
Outlines the procedure for properly loading and securing the telehandler for transportation.
Lists criteria for determining if an attachment is approved for use with the telehandler.
Provides a table listing JLG supplied attachments and their applicable models.
Explains how to determine maximum capacity by using the smallest of available ratings.
Guides the operator on how to properly read and interpret capacity charts for safe lifting.
Details the procedures for installing mechanical and hydraulic couplers.
Explains the operation of the joystick and roller switch for boom movement and carriage tilt.
Details the joystick and roller switch operations for boom movement, carriage tilt, and side shift.
Explains controls for boom movement, carriage tilt, and mast raise/lower functions.
Details controls for boom movement and bucket tilt.
Outlines installation and preparation for fork-mounted personnel work platforms.
Provides information and methods for moving a telehandler that cannot move under its own power.
Outlines procedures for safely lowering the boom in the event of power loss.
Explains how to exit the cab through the rear window in an emergency situation.
Provides general guidelines and safety warnings before performing any service or maintenance.
Presents maintenance schedules based on operating hours (10, 50, 250, 500, etc.).
Provides visual lubrication schedules for different operating hour intervals.
Details maintenance components and procedures for engine systems.
Covers fuel level checks and procedures for draining the fuel/water separator.
Details the engine oil level check and procedures for adding oil.
Covers air cleaner checks, dust removal, and element replacement procedures.
Details tire air pressure checks, damage identification, and replacement guidelines.
Explains how to check and maintain the hydraulic oil level.
Details the procedure for checking and maintaining the transmission oil level.
Explains how to check the brake fluid level and when to remove the product from service.
Details the procedure for checking and maintaining the engine coolant level.
Details the procedure for checking the functionality of the reverse sensor system.
Lists recommended fluids and their classifications for various systems and temperature ranges.
Provides a detailed list of fluid capacities for different machine components and models.
Lists tire specifications, including ply, type, and load ratings for various models.
Details key performance metrics like lift capacity, height, reach, and travel speed.
Provides overall height, width, wheelbase, length, ground clearance, and turning radius.
Illustrates and defines common hand signals used for machine operation and movement.
Explains the need for pre-agreed signals for auxiliary equipment or non-standard conditions.
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