JINMA YL254Y HST Manuale utente

Operation

Manual

Jinma USA LLC

Preface

Welcome to be a user of Huanghai Jinma YL254Y gardening wheel tractor. This model has

reasonable structure, high-quality materials and perfect performance. It has characteristics of

stong horsepower, low fuel consumption, light and flexible, easy operation, simple maintenance

and is suitable for a variety of gardening or field operations. We have written this instruction

manual to help the user better master the use, adjustment, repair and maintenance of this series

of models and make full use of the effectiveness and superiority of this series of models. For

engine maintenance methods, please refer to the diesel engine manual.

Notes for Owners

General information

This manual will help you to trial drive, drive and operate your new tractor and perform

maintenance in the correct manner. Please read these instructions carefully. Your tractor is

designed for normal gardening work.

Please contact with your authorized distributors without hesitation at any time when you

need suggestions about tractors. They can satisfy all your demands of maintenance requirements

with professional trained personnel, original parts and necessary equipment.

Provided specifications for your reference and guidance . For more detailed information of

your tractors and supporting equipment, please consult your authorized dealer.

The data provided by this manual would be changed due to the production changes. The

numbers of dimension and weight are only approximate. The illustrations do not show

necessarily the standard state of the tractor, nor does it imply in what areas these functions are

available. For any specific and precise information, please consult your authorized dealer.

Your tractor is designed and constructed to suit a wide range of working conditions and to

provide maximum performance, best economy and ease of operation. The tractor has been

through carefully inspected before delivery by factory and dealer to ensure that it is in good

condition. It’s very important to be sure to perform routine maintenance at the recommended

intervals specified in "Maintenance" of this manual to keep the best operating performance and

ensure trouble-free operation.

About this manual

This instruction manual provides information on the use of the tractors, such as the uses

specified by the manufacturer and the conditions predicted by the manufacturer during normal

operation and routine repairs and maintenance.

Please read and understand and keep this manual in good condition for future reference at

all times.

Normal operation

Normal operation means that operators who are familiar with the tractor and the

equipment to be suspended and towed use the tractor according to the manufacturer's intended

use, and follow the information on the operation and safety practices specified by the

manufacturer and the signs on the tractor and equipment in this instruction manual.

Normal operation includes preparing and storing the tractor, placing parts in the working

position or vice versa, adding or removing counterweights and picking up and starting

attachments.

Normal operation involves adjusting and setting up the tractor and equipment to suit the

specific conditions of the field and/or crop.

Routine Maintenance

Routine maintenance refers to the activities that must be performed daily by operators who

are familiar with the characteristics of the tractor and follow the information on routine

maintenance and safety practices specified by the manufacturer or the signs on the tractor in this

instruction manual. Routine maintenance includes oil filling, cleaning, washing, topping up fluid

levels, lubrication, replacing consumable parts (e.g. light bulbs) and so on.

Conversion, regular maintenance and repairing

Regular maintenance means that in order to maintain the expected service life of the tractor,

a person who has been trained and familiar with the characteristics of the tractor must follow the

periodical maintenance and safety practices information specified by the manufacturer in this

manual or other company documents to execute it at specified intervals.

Conversion means that in order to assemble the tractor into a specific configuration, must

be performed by professional service staff who are familiar with the characteristics of the tractor

and follow the information on this manual, assembly instructions or other conversion information

partly specified by the manufacturer to execute.

Repairing refers to the purpose of restoring the tractor to normal operation after a

malfunction or performance degradation, must be performed by professional service staff who

are familiar with the characteristics of the tractor to perform in compliance with the repair

information in the dealer's factory operating instructions specified by the manufacturer.

Cleaning of tractors

This machine is the latest high-tech machine with electronic control. Cares should be taken

when cleaning tractors, especially when using high-pressure water guns. Even if all precautions

are taken to protect the electronic components and connectors, the pressure generated by some

cleaning machines may still be too high to ensure complete protection against water ingress.

When using a high-pressure water gun, do not get too close to the tractor and avoid direct

water spraying of electronic components, electronic connectors, vents, seals and fuel caps, etc.

Do not spray a hot engine or exhaust pipe directly with cool water.

Failure to comply with these rules will invalidate the warranty or guarantee.

Safety

The precautions introduced in the first section must be taken to ensure your safety and the

safety of others. Before operating the tractor, read the safety precautions and follow the advice

provided.

First 50-hour maintenance

You will find the 50-hour maintenance report in the later part of this manual.

CAUTION: It is important to carry out the recommended 50 hour service to ensure that your

tractor provides optimum performance and efficiency.

Spare parts

It should be emphasized that the original parts have been inspected and approved by the

company. The installation and/or use of "non-original" products may have a negative impact on

the tractor's design characteristics, thereby affecting its safety. For any damage caused by the use

of non-genuine parts and accessories, the company will not be responsible. Only genuine

replacement parts can be used. The use of non-genuine parts may invalidate the legal approval

related to this product.

Any modification to the tractor is prohibited unless specifically authorized in writing by the

company's After Sales Department.

Warranty

Your tractor is warranted according to the contract agreement between the dealers in your

area. If the use, adjustment and maintenance of the tractor not according to the instructions

provided by the manual, the warranty will not apply.

Use of biodiesel fuel

CAUTION: Before using biodiesel in your tractor, please refer to the information on the

storage and use of biodiesel on this manual.

Emission control

CAUTION: The engine and fuel system on the machine are designed to comply with

government emission standards. Distributors, customers, operators and users are strictly

prohibited from tampering in accordance with the law. Failure to comply with the standards will

result in government fines, rework charges, warranty voids, litigation and possible confiscation of

the machine until it is reworked to its original condition. Engine maintenance and/or repairs can

only be carried out by certified mechanics!

Safety alert symbols

In this manual, the safety alert symbol prompts important safety information. When you see

this symbol, you should be alert for possible injuries, read the information below the symbol

carefully, and inform other operators.

"WARNING" and "CAUTION": emphasize the process or technique of correct operation

which if ignored, can cause injury or death to the driver or bystanders.

"IMPORTANT": emphasize the process or technique of correct operation, which if ignored

can cause damage to the tractor or equipment.

Jiangsu Yueda Intelligent Agricultural Equipment Company

June, 2021

Product Identification Mark Record Form

Please fill in the table below carefully when purchasing the machine. The number and

other information (including letters) in the table should be recorded completely and clearly

written. The content of the information refer to the tractor product label and the rear end

number of the rear axle housing. Complete and correct information is convenient for users to

quickly report for repairs when the tractor fails or as a basis when the tractor is lost. This

manual is an integral part of the machine. It is recommended that the supplier of the new

tractor or the second-hand tractor should keep relevant documents to prove that this manual

and the tractor are provided to the user at the same time. The user should keep this

instruction manual intact for a long time and store it separately from the tractor.

Huanghai Jinma YL254Y Gardening Wheeled TractorManual

Jiangsu Yueda Intelligent Agricultural Equipment Company Edited

Format󰵼787×1092 1/16 Number󰵼Z01-10-001

First Version on June,2021 First Printing on June,2021

Brand name

Huanghai Jinma

Model

YL254Y HST

Machine number

Chassis number

Engine model

Engine number

Username

Purchase time

Purchase location

Dealer

Dealer contact number

Company name

Jiangsu Yueda Intelligent Agricultural Equipment

Company

Company address

9# NenJiang Road, Yancheng Economic and

Technological Development Zone, Jiangsu,China

Company contact number

0086-515-68823978/68829666

Common measurement units, symbols and names

Number

Type

International unit

Time

Second -s

Minute -min

Hour -h

Distance

Millimeter -mm

Centimeter -cm

Meter -m

Kilometer (km)-km

Power

New (ton)-N

Thousand Newtons (tons)-kN

Torque

Newton·meter -N.m

quality

Kilogram (kg)-kg

Pressure

Pa -Pa

KPa -kPa

MPa -Mpa

Temperature

Celsius -℃

Speed

Kilometer / Hour -km/h

Meter / Second -m/s

Rotating speed

Revolutions per minute -r/min

Power supply

kilowatt -kW

Watt -W

Current

Ampere -A

Voltage

Volt -V

Volume

Cubic meter -㎥

Liter - L

Milliliters -ml

Flow

Liters per minute -L/min

Displacement

Milliliters per revolution -ml/r

Area

Hectares -hm2 or󰵪ha󰵫

Are- dam2 or󰵪a󰵫

Content

Preface

Notes for Owners

Product Identification Mark Record Form

Table of common units

Chapter 1 Precautions for safe operation ............................................................................................................ 1

Chapter 2 Overview ............................................................................................................................................... 8

Chapter 3 Main technical specifications of tractor ............................................................................................. 9

3.1 Complete machine parameters ............................................................................................................... 9

3.2 Transmission system .......................................................................................................................... 10

3.3 Travelling, steering, braking ................................................................................................................ 10

3.4 Working equipment ........................................................................................................................... 11

3.5 Perfusion capacity .............................................................................................................................. 11

3.6 Electrical components ........................................................................................................................ 12

Chapter 4 The use of tractor ........................................................................................................................... 13

4.1 Fuel and lubrication of tractor ......................................................................................................... 13

4.2 Coolant of tractor ............................................................................................................................. 14

4.3 Running-in of tractor .......................................................................................................................... 14

4.4 Instruments and controls ................................................................................................................... 15

4.5 Maneuvering and driving ................................................................................................................. 15

4.6 Operation and use of tractor working device ................................................................................... 18

4.7 Front traction mechanism ................................................................................................................ 20

4.8 Front counterweight ......................................................................................................................... 20

4.9 The location and use of the battery.................................................................................................... 20

4.10 Operation of electrical equipment .................................................................................................. 21

Chapter 5 Technical maintenance of tractors ........................................................................................... 26

5.1 Shift technical maintenance ............................................................................................................. 26

5.2 Level 1 technical maintenance ......................................................................................................... 26

5.3 Level 2technical maintenance .......................................................................................................... 27

5.4 Level 3technical maintenance .......................................................................................................... 27

5.5 Level 4technical maintenance .......................................................................................................... 27

5.6 Winter technical maintenance............................................................................................................ 27

5.7 Technical maintenance for long-term storage .................................................................................. 28

Chapter 6 Main adjustments of the tractor ............................................................................................... 29

6.1 Clutch adjustment ............................................................................................................................ 29

6.2 Brake adjustment ............................................................................................................................. 30

6.3 Adjustment of central transmission and differential ........................................................................ 31

6.4 Wheel track adjustment ................................................................................................................... 34

6.5 Power output adjustment .................................................................................................................. 34

6.6 Adjustment of the auxiliary gear lever ............................................................................................ 35

6.7 Adjustment of the front drive joystick ............................................................................................. 35

6.8 Adjustment of hydraulic steering ................................................................................................... 36

6.9 Structure and adjustment of the lifter ............................................................................................... 37

6.10 Intake and exhaust system ............................................................................................................... 37

6.11 Anti-rolling protection structure .................................................................................................... 38

6.12 Traction device ................................................................................................................................. 38

Chapter 7 The main faults and troubleshooting methods of tractors ............................................................. 40

7.1 Diesel ............................................................................................................................................... 40

7.2 Transmission system ........................................................................................................................ 41

7.3 Brake ................................................................................................................................................ 42

7.4 Steering and walking system .................................................................................................. 42

7.5 Hydraulic suspension system ........................................................................................................... 43

7.6 Electrical system .............................................................................................................................. 44

Chapter 8 Delivery, acceptance and transportation ......................................................................................... 48

Chapter 9 Dismantling and disposal .................................................................................................................. 49

Chapter 10 Warranty matters ............................................................................................................................ 50

Chapter 11 Appendix .............................................................................................................................................. 52

11.1 Electrical system circuit diagram ................................................................................................... 52

11.2 Distribution map of tractor transmission system and rolling bearing .............................................. 53

11.3 Sketch of the movement of the tractor suspension system ............................................................ 53

11.4 On-board accessories ..................................................................................................................... 54

11.5 Consumable parts list ..................................................................................................................... 55

11.6 Implementation of standards, orders and laws ............................................................................... 55

Chapter 1. Precautions for safe operation

1.1 The driver must be specially trained, get a driver’s license and be tested on time, and

then use the tractor after reading the instructions carefully.

1.2 It is strictly forbidden to drive the tractor without a license and to operate without a

license. When driving on highways, pay attention to traffic signs and obey local traffic rules.

1.3 This machine can only be operated, maintained and repaired by personnel who are

familiar with the characteristics of the machine and have relevant knowledge of safe operation.

The driver should wear compact and safe clothes when driving and using the tractor and bare

feet and slippers are strictly prohibited.

1.4 Keep children and non-tractor drivers away from the tractor under any circumstances

to prevent injury.

1.5 It is strictly forbidden to drive the tractor after drinking, fatigue or taking stabilized

drugs, and it is strictly prohibited to overload, over driving and using the tractor.

1.6 The driver should pay special attention to the safety warning signs on the

machine.

1.7 When using the tractor, the driver should strictly follow the safety warning signs to

avoid accidents. When the safety signs are lost, contaminated or worn, they should be replaced

in time.󰵪The safety sign is shown in the picture 1-1 to 1-29󰵫

Number

Meaning

Location

QTY

1-1

Warning: Engine fan

On both sides of

the radiator,

clearly visible

Indice

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