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LGMG AR20J User Manual

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Operation Manual
AR20J
Articulated Boom
Mobile Elevating Work Platform
!
WARNING
Before operation and maintenance, the
drivers and service personnel shall
always read and thoroughly understand
all information in this manual. Failure to
do so may result in, fatal accidents or
personal injury.
This manual must be kept with this
machine at all times.
LINGONG HEAVY MACHINERY CO., LTD.

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LGMG AR20J Specifications

General IconGeneral
BrandLGMG
ModelAR20J
CategoryLifting Systems
LanguageEnglish

Summary

Foreword

Safety Notices

Chapter 1 Safety

1.1 Hazards

Details potential dangers and risks associated with machine operation and environmental conditions.

1.2 Before Operation, Please Ensure that

Lists essential pre-operation checks, required PPE, and understanding of safety rules.

1.3 Classification of Hazards

Explains symbols, color codes, and words used for hazard identification and their meanings.

1.4 Intended Use

Defines the specific purposes for which the machine is designed, including limitations.

1.5 Safety Sign Maintenance

Outlines procedures for maintaining safety signs, including replacement and cleaning.

1.6 Electric Shock Hazard

Warns about dangers of electric shock from live wires and specifies safe distances.

1.7 Danger of Tip-over

Highlights risks of machine tip-over due to overloading, slopes, or unstable ground.

1.8 General Safety

Covers broad safety precautions for machine operation, handling, and modifications.

1.9 Operating Hazards on Slopes

Details hazards and limitations when operating on slopes, including maximum ratings.

1.10 Falling Hazard

Addresses risks of falling from the platform and specifies safety measures for personnel.

1.11 Collision Hazard

Discusses dangers of collision during operation and emphasizes situational awareness.

1.12 Components Damage Hazard

Lists hazards related to component damage, improper use, or unauthorized modifications.

1.13 Explosion and Fire Hazards

Warns about risks of explosion and fire, especially near flammable substances or sparks.

1.14 Machine Damage Hazard

Explains how to prevent damage to the machine, including inspection and avoiding specific environments.

1.15 Danger of Bodily Injury

Covers specific risks of bodily injury from hydraulic leaks or contact with moving parts.

1.16 Battery Safety

Provides safety guidelines for handling batteries, including acid precautions and electrical hazards.

1.17 Locked After Each Use

Details steps for securing the machine after operation, including parking and power off.

1.18 Personal Fall Protection

Specifies requirements for personal fall protection equipment (PFPE) and its use.

1.19 Ground Information

Discusses ground conditions and their impact on machine stability, highlighting rollover risks.

Chapter 4 Overall Machine Parameters

4.1 Overall performance parameters

Lists key performance specifications and operational limits, such as load, speed, and boom times.

4.2 Main dimensions

Provides physical dimensions and measurements of the machine, including length, width, and height.

4.3 Engine system

Details specifications of the engine, including model, displacement, rated power, and emission standard.

4.4 Drive system

Describes components and characteristics of the machine's drive system, including axles and brakes.

4.5 Hydraulic system

Outlines the specifications of the hydraulic system, including pressures, displacements, and types.

4.6 Electric system

Lists the specifications for the electrical components, such as battery voltage and capacity.

4.7 Filling volume

Specifies the types and quantities of fluids and lubricants required for the machine's various systems.

4.8 Scope of work

Illustrates the operational reach and load capacity limitations of the machine based on platform load.

Chapter 5 Control Box

5.1 GCU

Explains the Ground Control Unit (GCU) panel functions, including switches, buttons, and display.

5.2 PCU

Details the Platform Control Unit (PCU) panel functions, including control handles and indicators.

Chapter 6 Pre-operation Inspection

6.1 Before Performing This Operation, Ensure that

Lists prerequisites and checks before starting machine operations, including PPE and training.

6.2 Basic Principles

Covers fundamental principles related to inspection, operator responsibilities, and maintenance.

6.3 Pre-operation Inspection

Provides a detailed checklist for pre-operation inspection of the machine's components and systems.

Chapter 7 Workplace Inspection

7.1 No Operation Is Allowed Unless

Defines conditions that must be met before operating the machine, focusing on safety awareness.

7.2 Basic Principles

Explains the importance of workplace inspection for determining safe operating conditions.

7.3 Workplace Inspection

Lists specific dangerous situations to identify and avoid during workplace inspection.

Chapter 8 Functional Testing

8.1 Basic Principles

Outlines core principles for conducting functional tests to detect faults before machine use.

8.2 At GCU

Describes how to perform functional tests using the Ground Control Unit (GCU).

8.3 On the Platform

Details the procedure for conducting functional tests from the platform control unit (PCU).

Chapter 9 Operating Instructions

9.1 No Operation is Allowed Unless

Specifies conditions that must be met before operating the machine, emphasizing safety.

9.2 Basic Principles

Explains the machine's purpose and operator responsibilities for safe operation.

9.3 Starting the Engine

Provides step-by-step instructions for starting the machine's engine, including preheating.

9.4 Emergency Shutdown

Details how to perform an emergency shutdown of the machine using stop buttons.

9.5 Emergency Power

Explains the procedure and limitations for using the emergency power unit when the main source fails.

9.6 Operation on the Ground

Guides on operating the machine from the ground control station, including platform adjustment.

9.7 Operation on the Platform

Instructs on operating the machine from the platform control unit, covering controls and steering.

9.8 Platform Overload

Describes the platform overload indicator and the actions required when it activates.

9.9 Machine Not Level

Explains the machine not level alarm and procedures for safe lowering and movement.

9.10 Red Guard Protective System

Details the function and operation of the Red Guard protective system for enhanced safety.

9.11 System Failure

Covers system fault indicators, error codes, and troubleshooting steps for system malfunctions.

9.12 After Each Use

Provides instructions for securing and preparing the machine after operation for storage or next use.

Chapter 10 Transportation Instructions

10.1 Observing the Regulations

Outlines regulations and responsibilities for transporting the machine, including securing and trailer selection.

10.2 Brake Release

Details the procedure for releasing the machine's brakes for transport and re-engaging them.

10.3 Ensuring Transportation Safety

Covers safety measures and methods for securing the machine during transport, including chains and locks.

10.4 Guidance for Lifting

Provides instructions and precautions for lifting the machine, including crane capacity and rigging.

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