LGMG SR0818E Manuale utente

Maintenance Manual

SR0818E/SR1018E/SR1218E/SR1418E

Rough Terrain

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.

Rough Terrain Mobile Elevating Work Platform

Maintenance Manual

880*1230 mm 16 format 8 printed sheets

Fifth edition August 2022 1st printed

Lingong Heavy Machinery Co., Ltd.

Add: 12th Floor, Building 3, Lushangguoaocheng, 9777 Jingshi Road, Lixia District, Jinan,

China

Tel: 86-0531-67605017 Fax: 86-0531-67605017

Technical service: 86-0531-67605017 Web: www.LGMG.com.cn

Accessories sales: 86-0531-67605016

Maintenance Manual of Rough Terrain

Mobile Elevating Work Platform

Contents

Foreword....................................................................................................III

Safety Precautions....................................................................................IV

Chapter 1 Maintenance...............................................................................1

1.1 Compliance....................................................................................... 3

1.2 Checking the Safety Manual............................................................. 3

1.3 Checking the Labels and Signs......................................................... 3

1.4 Checking for Damaged, Loose or Missing Parts............................... 3

1.5 Checking the Wires........................................................................... 4

1.6 Checking the Battery ........................................................................ 5

1.7 Checking the Electrical Contactors................................................... 5

1.8 Checking the Tires and Wheels........................................................ 5

1.9 Checking the Hydraulic Tank Vent Cap............................................. 6

1.10 Checking the Leakage of Hydraulic Oil........................................... 6

1.11 Checking the Hydraulic Filter .......................................................... 6

1.12 Replacing the Hydraulic Tank Air Filter............................................ 7

1.13 Checking the Hydraulic Oil Level.................................................... 7

1.14 Visual Inspection of the Hydraulic Oil.............................................. 8

1.15 Test or Replace the Hydraulic Oil.................................................... 8

1.16 Checking the Oil Level in the Reducer............................................ 9

1.17 Replacing the Reducer Gear Oil................................................... 10

1.18 Checking or Replacing the Scissor Arm Slide Block...................... 10

1.19 Regular Maintenance.................................................................... 10

1.20 Maintenance Schedule ..................................................................11

Chapter 2 Schematic Diagram ..................................................................13

Maintenance Manual of Rough Terrain

Mobile Elevating Work Platform

III

Foreword

You are welcome to purchase and use the mobile elevating work platform produced by Lingong Heavy

Machinery Co., Ltd. This machine is designed according to BS EN280-1:2022.This manual introduces

the mechanism, drive and operation, maintenance and adjustment, technical parameters and

maintenance adjustment data of mobile elevating work platform for safety guidance and proper

operation and maintenance of the machine.

How to get the best benefit from the machine is the goal we pursue together with you, which, to a great

extent, depends on whether you are familiar with the machine and the maintenance is careful and

comprehensive. We sincerely hope that you will be able to read this manual carefully before starting and

operating the machine for the first time and before repairing and servicing the machine, and that you are

familiar with the operation and maintenance described.

The illustrations and descriptions in this manual are correct at the time of publication, but the structure

and performance of our products are constantly being improved. Changes in design, operation and

maintenance instructions are subject to change without notice. For the latest information on the machine

and questions about this manual, please consult our company.

This manual is applicable to mobile elevating work platform. Users should strictly follow the maintenance

intervals specified in the maintenance schedule for maintenance.

This manual should always be placed at the specified location so that you can read it at any time. This

manual is part of the machine. When the ownership or use right of the machine are transferred, please

hand over this manual. If the manual is lost, damaged or illegible, please replace it in time!

This manual is copyrighted by Lingong Heavy Machinery Co., Ltd. and may not be copied or reproduced

without the written permission of the company.

△

! WARNING

Only personnel who have been properly trained and qualified to operate or maintain

this machine can operate, repair and maintain this machine.

Improper operation, maintenance, and repair are dangerous and can cause personal

injury and death.

Before any operation or maintenance, the operator shall thoroughly read this

manual. Do not operate, perform any maintenance or make any repairs on this

machine before reading and understanding this manual.

The user shall load the platform strictly according to the load rating of the platform.

Do not overload the platform or make any modifications to the platform without

permission from LGMG.

The operation regulations and preventions in this manual are only applicable for the

specified use of this machine.

Maintenance Manual of Rough Terrain

Mobile Elevating Work Platform

Safety Precautions

Operators should be aware of and follow the current national and local safety regulations, and if there

are no national or local regulations, the safety instructions in this manual should apply.

Most of the accidents are caused by failure to follow the requirements on the machine operation and

maintenance. In order to avoid accidents, please read, understand and follow all warnings and

precautions in this manual and on the machine before operation and maintenance.

Safety precautions will be detailed in the “Safety” section of Chapter 1.

Since it is impossible to foresee all possible hazards, the safety instructions in this manual and on the

machine may not include all safety precautions. If you use the procedures and operations not

recommended in this manual, you must ensure that you and others are safe and the machine will not be

damaged. If you are not sure about the safety of certain operations, please contact us or your dealer.

The precautions for operation and maintenance specified in this manual are applicable only when the

machine is used for the intended purpose. If the machine is used for the purposes not covered in this

manual, our company will not assume any responsibility for safety. The safety responsibility in such

operations will be borne by the user and the operator.

Under no circumstances should the operations prohibited in this manual be performed.

The following markers are used to identify the safety information in this manual:

△

! DANGER - If not avoided, the dangerous consequence may result in serious injury or death.

This marker also means that if not avoided, it may cause serious damage to the machine.

△

! WARNING - If not avoided, the potentially dangerous consequence may result in serious

injury or death. This marker also means that if not avoided, it may cause serious damage to the

machine.

△

! CAUTION - If not avoided, it may cause mild or moderate injury. This marker also means

that if not avoided, it may cause damage to the machine or shorten the life of the machine

Maintenance Manual of Rough Terrain

Mobile Elevating Work Platform

Chapter 1 Maintenance

Maintenance Manual of Rough Terrain

Mobile Elevating Work Platform

Maintenance Manual of Rough Terrain

Mobile Elevating Work Platform

1.1 Compliance

1) You accept the proper training of safety

operation and machine maintenance, and

have corresponding aptitudes.

2) It is necessary to read, understand and

adhere to all safety regulations of this

manual, safety regulations of workplace

and applicable laws and regulations of

government.

3) Protective articles, such as safety helmet,

safety belt, work shoes, goggles and

protective clothing, have been equipped all

over the body, and the physical state is

excellent.

4) Operators can only conduct conventional

inspection and maintenance items as

specified in this manual.

5) Only technical maintenance personnel who

are trained and get corresponding

certificates may complete scheduled

maintenance.

6) Waste and old materials shall be disposed

according to government regulations and

work site rules.

7) Only LGMG approved parts and

consumables can be used.

8) Function test shall be always conducted

upon maintenance.

1.2 Checking the Safety

Manual

It is necessary for safe equipment operation to

keep the Operator and Safety Manual in good

condition. The manual shall be stored in a

container in the working platform provided by

each machine. An illegible or missing manual

will not provide the necessary safety and

operation information for safe operation.

1) Check that the storage container is on site

and in good condition.

2) Check that the Operator, Responsibility,

and Safety Manual is complete in the

storage container on the work platform.

3) Check that each page of the manual is

identifiable and in good condition.

4) Put the manual in the storage file box after

use.

△

! If you need to replace the manual,

please contact the company’s service

personnel.

1.3 Checking the Labels and

Signs

It is necessary for safe operating equipment to

keep all safety and instructions labels and signs

in good conditions. Labels are used to remind

operators and staff of the possible hazards

when operating this equipment. User operation

and maintenance information is also provided.

An illegible label does not remind the staff of

steps or hazards, and may also result in unsafe

operating conditions.

Refer to the label section in this manual and use

the label menu and instructions to check

whether all labels are in place.

Check all the labels for clarity and damage and

immediately replace any damaged or illegible

ones.

△

! If you want to replace the label,

please contact the company’s service

personnel.

1.4 Checking for Damaged,

Loose or Missing Parts

This check should be performed every 8 h or

every day.

Daily equipment status checks are necessary

for safe equipment operation and good

equipment performance. Incorrect location and

repair damage, and loose or missing parts may

Maintenance Manual of Rough Terrain

Mobile Elevating Work Platform

result in unsafe operating conditions.

1) Check the entire equipment for damage

and incorrect installation or loss of parts,

including:

Electrical components, wires and cables

Hydraulic hoses, joints, valve blocks,

hydraulic cylinders

Hydraulic tank

Wear pad

Tire and wheel

Limit switch, horn

Nuts, bolts and other fasteners

Platform extension

Platform entry port

Indicators and alarms

Safety arm

Scissor arm pins and fasteners

Platform control handle

Outrigger cover and foot pad

Check the entire machine for:

Crack in the weld or structural member

Check the platform, frame and chassis for

deformation or open welding

Dent or damage to the machine

Make sure all structural members and other

critical components are complete, and all

associated fasteners and pins are in the

right position and tightened

The platform guide rail has been installed,

the platform guide rail bolts are in place and

the bolts are properly tightened.

△

! CAUTION: If the platform must be

lifted to check the machine, make sure

the safety arm is in the right position.

See the "Operating Instruction"

section.

1.5 Checking the Wires

1) This check should be performed every 250

h or quarterly, whichever comes first.

2) It is important for safe operation and good

machine performance to keep the wires in

good conditions. Failure to find and replace

the burn-out, scratched, corroded or bent

wires will result in unsafe operating

conditions and damage to the parts.

Risk of electric shock/explosion

Contact with live circuits may cause serious

injury or death. Do not wear rings, watches or

other jewelry.

1) Check if the ground wire under the chassis

is missing or damaged.

2) Check the following areas for burn-out,

scratched, corroded, bent or loose wires:

Rear axle: Drive motor, limit switch

Tank side: Ground control unit inside, wire

harness connection, motor control unit,

Battery side: Battery, fuse, battery charger

Machine: Platform, platform control unit,

wire harness connection

3) Check whether all wire harness connectors

are coated with insulating grease:

Ground control unit

Platform control unit

Motor Control unit

Valve component

Limit switch

Sensor

Maintenance Manual of Rough Terrain

Mobile Elevating Work Platform

△

! NOTICE：Do not apply excessive

insulating grease to harness

connectors, pins or sockets.

1.6 Checking the Battery

Good battery condition is critical to normal

machine performance and safe operation.

Improper electrolyte levels or damaged cables

and wires may result in component damage and

dangerous situations.

△

! CAUTION: This check is not

required for machines that are

equipped with sealed or

maintenance-free batteries.

△

! WARNING: Risk of electric shock.

Contact with an electrical circuit may

result in death or serious personal

injury. Remove all rings, watches or

other accessories.

△

! WARNING: Risk of body injury.

The battery contains acidic substances.

Avoid spilling or touching the acid in

the battery. Soda and water can be

used to neutralize the overflowing

battery acid.

△

! CAUTION: This check should be

performed after the battery is fully

charged.

1) Wear protective clothing and goggles.

2) Make sure the battery cable is securely

wired and not corroded.

3) Make sure the battery lock bracket is

stable.

4) Remove the battery vent cap.

5) Check the battery acid level. If necessary,

fill the distilled water through a filling pipe at

the bottom of the battery. Do not add

excessive distilled water.

6) Install the vent cap.

△

! CAUTION: Adding a terminal

protector and an anti-corrosion sealant

can help eliminate the corrosion on the

battery terminals and cables.

1.7 Checking the Electrical

Contactors

This check should be performed every 250 h or

quarterly, whichever comes first.

It is important for safe operation of the machine

to keep the electrical contactor in good condition.

Failure to find the worn or damaged contactors

in a timely manner may endanger the work

conditions and cause component damage.

1) Open the battery side cover.

2) Visually check the following aspects of the

contactor:

Transitional burning

Transitional bending

Transitional pitting

△

! WARNING: Risk of burn. Contact

with an electrical circuit may result in

death or serious personal injury.

Remove all rings, watches or other

accessories.

△

! CAUTION: In the event of any

damage, the contactor should be

replaced.

1.8 Checking the Tires and

Wheels

This check should be performed every 250 h or

quarterly, whichever comes first.

It is important for safe operation and good

performance to keep the tires and wheels in

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