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General| Brand | JLG |
|---|---|
| Model | 20MVL Series |
| Category | Boom Lifts |
| Language | English |
Details fluid capacities, system voltages, and gearbox oil for all models.
Covers platform capacities, sizes, ground clearance, and speeds for different models.
Specifies hydraulic oil types, grades, and lubrication intervals for machine components.
Outlines torque specifications for fasteners to ensure proper maintenance.
Provides essential information for maintaining safe operating condition and service life.
Outlines periodic checks and services for machine systems and components.
Offers guidance on safety, cleanliness, and proper procedures for component handling.
Explains how to inspect mast chains for wear, damage, and proper lubrication.
Identifies major components of the base assembly with a diagram.
Covers inspection, replacement, and installation of drive and caster wheels.
Provides procedures for roll, leak testing, oil, and brush wear checks for drive assemblies.
Step-by-step guide for replacing drive motor brushes, including safety precautions.
Covers battery charger maintenance, status indicators, and voltage warnings.
Provides an overview and location of control components on the MVL/MSP.
Describes the installation of Ground Control and Traction Control Modules.
Covers battery replacement, condition testing, and disconnect options.
Details programming modes, levels, and procedures for the ground control module.
Covers hydraulic pressure adjustments and gauge installation.
Explains the function, checks, and installation of the obstruction sensor system.
Identifies the main components of the mast assembly with a diagram.
Details procedures for adjusting mast chains and sequencing cables for proper alignment.
Covers the removal, inspection, and rebuild procedures for the hydraulic lift cylinder.
Details the procedures for removing and installing the mast assembly.
Outlines the step-by-step process for disassembling and assembling mast sections.
Introduces troubleshooting information for locating and correcting operating problems.
Guides users to fault code tables and probable causes for malfunctions.
Explains the microprocessor-controlled electrical system and diagnostic features.
Covers fundamental multimeter usage for measurements like voltage, resistance, and continuity.
Details procedures for testing basic, limit, and automatic electrical switches.
Troubleshooting steps for when the machine is stuck in turtle mode.
Troubleshooting steps for tilt sensor faults or machine leveling issues.
Steps to diagnose communication issues between traction and ground control modules.
Troubleshooting for various fault conditions related to the Ground Control Module.
Troubleshooting steps for the main power circuit when the machine does not power on.
Provides remedies for various hydraulic leaks occurring on the machine.
Addresses issues like not climbing grades or driving in the opposite direction.
Troubleshooting steps for when the machine drives erratically or not straight.
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