LGMG H1840 Manuel utilisateur

Maintenance Manual

H1840

Telescopic handler

LINGONG HEAVY MACHINERY CO., LTD.

△

! WARNING

Before operation and maintenance, the

drivers and maintenance personnel are

required to read this manual thoroughly.

Otherwise, fatal accident may occur.

This manual shall be kept properly for

future reference by the personnel

concerned.

Telescopic handler

Maintenance Manual

880*1230 mm Sextodecimo 8 sheets

Second edition, September 2022 First print, September 2022

Lingong Heavy Machinery Co., Ltd.

Add.: 12F, Building 3, Lushang Olympic City, No. 9777, Jingshi Road, Lixia District, Jinan

City, Shandong Province, China

Tel.: 86-0531-67605017 Technical service hotline: 86-0531-67605017

Fax: 86-0531-67605017 Parts sales hotline: 86-0531-67605016

Website: www.lgmg.com.cn

Maintenance Manual of Telescopic Handler

Foreword

Thanks for purchasing the telescopic handler produced by Lingong Heavy Machinery Co., Ltd. This

machine is designed according to EN 1459-1:2017+A1:2020. This manual introduces the maintenance

of the telescopic handler for safety guidelines and correct operation and maintenance of the machine.

How to get the best out of your machine is a goal we pursue together with you, and it depends to a large

extent on how familiar you are with the machine and how carefully and thoroughly it is maintained. We

sincerely hope that you will read through this manual before starting and operating the machine for the

first time and before repairing and maintaining the machine, and that you will master the operation and

maintenance described therein.

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

continuous improvement of the structure and performance of our products, the design as well as

operation and maintenance instructions of the product may be subject to change without notice. For the

latest information of the machine or any question about this manual, please consult us.

This manual applies to telescopic handlers. Users should strictly follow the maintenance interval in the

maintenance schedule to maintain the machine.

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

manual is an integral part of the machine and should be handed over when ownership or use of the

machine is transferred. If the manual is lost, damaged or illegible, please replace it promptly!

This manual is the property of Lingong Heavy Machinery Co., Ltd., and may not be duplicated or

reprinted without our written permission.

△

! WARNING

Only the personnel who have been professionally trained and qualified are

allowed to operate and maintain the machine.

Incorrect operation, maintenance and repair are dangerous and may lead to

personal injury or death.

Before operation or maintenance, please read this manual thoroughly.

Otherwise, do not operate, maintain or repair this machine.

Maintenance Manual of Telescopic Handler

Please load the machine in strict accordance with the rating; otherwise all

the consequences arising from overloading or unauthorized modification

will be borne by the user.

The operation instructions and precautions in this manual apply only to the

intended use of the machine. If the machine is used for an operation that is

out of the specification herein but not prohibited, always make sure that this

operation will not cause personal injury to yourself or others.

Please operate the machine in strict accordance with the safety

requirements in the manual. The user is responsible for all consequences

caused by non-compliance with the safety requirements of the machine.

Maintenance Manual of Telescopic Handler

III

Safety Notices

The operator shall understand and abide by the current national and local safety regulations. If such

regulations are not available, the safety instructions in this manual shall prevail.

Most accidents are caused by failure to obey operation and maintenance specifications of the machine.

To avoid unnecessary accident, please read and follow all warnings and precautions in this manual and

on the machine before operation or maintenance.

Considering the fact that not all possible hazards are foreseeable, it is impossible for safety notices in

this manual and on the machine to cover all safety precautions. If it is necessary to take steps and

operations not recommended herein, always protect the safety of yourself and others, and keep the

machine from any damage. If the safety of some operations remains uncertain, please consult us or

dealers.

The operation and maintenance precautions referred to herein apply only to the intended use of this

machine. If the machine is to be used for other purposes than those listed herein, it is the user or

operator instead of us that shall take the safety liabilities therefrom.

In no case shall any operations expressively prohibited herein be performed.

For the purpose of this manual, the following signal words are applied to identify safety instructions:

△

!DANGER - Indicating any existing dangers that, if not avoided, will cause

serious injury or even death, and also serious machine damage.

△

!WARNING - Indicating any potential dangers that, if not avoided, may cause

death or serious injury, and also serious machine damage.

△

!CAUTION - Indicating situations that, if not avoided, may cause minor or

moderate injury, and also machine damage or shortened machine service life.

Maintenance Manual of Telescopic Handler

Contents

Foreword...............................................................................................................................I

Safety Notices.....................................................................................................................III

Contents ............................................................................................................................ IV

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

1.1 Checking the safety manual ....................................................................................3

1.2 Checking the labels and signs.................................................................................3

1.3 Checking for damaged, loose or missing parts........................................................3

1.4 Daily or every 8 h.....................................................................................................4

1.5 Every 50 h or weekly ...............................................................................................7

1.6 Every 250 h .............................................................................................................9

1.7 Every 500 h ...........................................................................................................13

1.8 Every 1000 h .........................................................................................................18

1.9 Every 1500 h .........................................................................................................21

1.10 Every 2000 h .......................................................................................................21

1.11 Appendix..............................................................................................................26

Maintenance Manual of Telescopic Handler

Chapter 1 Maintenance

Maintenance Manual of Telescopic Handler

1.1 Checking the safety

manual

It is essential to keep the operation and

maintenance manuals in good condition to

achieve safe operation of the equipment. If the

manual is illegible or missing, the safety and

operation information necessary for safe running

cannot be provided.

1) Confirm that the Operation Manual and the

Maintenance Manual are kept intact in the

cab.

2) Check that every page of the manual is

legible and intact.

3) Put the manual in the cab after use.

△

! To replace any manual, please

contact the service personnel of LGMG.

1.2 Checking the labels and

signs

It is essential to keep all safety and description

labels and signs in good condition to achieve safe

operation of the equipment. Labels are used to

remind the operation and maintenance personnel

of potential hazards during operation of the

equipment and provide operation and

maintenance information for users. Illegible labels

cannot remind the maintenance personnel of

procedures or hazards and may also lead to

unsafe operation.

Check whether all labels are in proper positions

with reference to the label section in this manual

and based on the label menu and description.

Check the legibility and condition of all labels, and

replace the damaged or illegible labels promptly if

any.

△

! To replace the labels, please

contact the service personnel of LGMG.

1.3 Checking for damaged,

loose or missing parts

This procedure shall be implemented once every

8h or every day.

It is essential to check the equipment condition

regularly to achieve safe operation and superior

performance of the equipment. Incorrect

positioning or maintenance and part damage,

looseness or loss may lead to unsafe operation.

1) Check the equipment for damage, incorrect

installation or part loss, including:

Electrical component, wire and cable

Hydraulic hose, connector, valve block

and hydraulic cylinder

Fuel tank and hydraulic tank

Boom chains and sliders

Tires and hubs

Engine and its relevant parts

Limit switch and horn

Nuts, bolts and other fasteners

Outrigger mechanism

Brake pedal and parking brake

Indicator light and alarm

Drive shaft

Maintenance Manual of Telescopic Handler

Inspect the entire machine to check:

the welds or structural parts for cracks

the chassis for deformation or open weld

the machine for dent or damage

that all structural parts and other key

components are intact and all relevant

fasteners and pins are installed in

correct positions and tightened

Regular maintenance

In a working environment where is extremely cold,

dusty or humid, more frequent lubrication and

maintenance than that is specified in "Regular

Maintenance" is required. During maintenance,

the maintenance items listed in the original

requirements shall be carried out repeatedly.

For example, when carrying out maintenance

items for 250 working hours, the maintenance

items for 50 working hours or weekly and every 8

working hours or daily shall be carried out at the

same time.

During maintenance, the engine shall be stopped,

the machine shall be parked on a level ground,

the gear selector shall be set to N gear, the

parking brake handle shall be pulled up, and the

padding block shall be placed under the tires to

prevent the machine from moving.

1.4 Daily or every 8 h

1.4.1 Checking the engine oil level

Insufficient or excessive oil will cause engine

damage. The oil level can be checked only when

the engine is placed horizontally and shut down. If

the engine is hot, shut it down and check the oil

level after 10 minutes so that the engine oil can

be discharged into the oil pan. If the engine is

cold, check the oil level immediately.

1. Pull out the oil dipstick and wipe it with a clean

cloth, re-insert it into the engine oil level port to

the end, and then pull it out for inspection. The oil

level should be between the "L" mark and the "H"

mark of the oil dipstick.

2. If the oil level is below the "L" scale, please add

oil. If the oil level is above the "H" mark, unscrew

the drain plug at the bottom of the oil pan to

discharge some oil.

△

! CAUTION: Too much or too little

engine oil will cause engine damage.

1.4.2 Checking the coolant level

H1840 is used as an example. For other model,

please refer to this picture:

Check the coolant level every 8 hours or

everyday (whichever comes first).

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