7 Ton caterpillar excavator

Product representation

This 7-ton excavator, created for effective work, is powerful and reliable, suitable for a wide range of engineering tasks, such as earthen, construction and communal work. Its compact building and a flexible steering system allow you to easily work even in narrow places.

The main advantage: high efficiency and energy conservation: Thanks to the use of the advanced hydraulic system and energy -saving technologies, high efficiency and reduction of fuel consumption to save costs are achieved.

Strength and durability: the main components are made of high -strength materials and undergo thorough tests, which ensures stable operation and extends the life of the machine even in difficult operating conditions.

Comfort and convenience: Humanized Cabin design, convenient management and wide review. A simple design, convenient for daily service, reduces downtime.

Choose our 7-ton excavator to ensure effective and reliable solutions for your projects!

Service methods

Daily care

Cleaning: clean the heat, case, and other parts of the excavator from dust, dirt and garbage daily before and after work.

Checking the fluid level: check the levels of hydraulic oil, engine oil, coolant and fuel to make sure that they are within normal limits.

Inspection of the appearance: check if there are irregularities, deformations or cracks on the case, are not weakened and whether the pins are worn out on the connecting parts of the working body, whether the caterpillar is damaged and whether it is tightened correctly.

Regular maintenance

Spare parts: replace the engine oil and the filter for about every 500 hours, as recommended by the manufacturer; Regularly replace hydraulic oil, air filter and fuel filter.

Maintenance of the hydraulic system: disassemble and inspect the hydraulic pump and hydraulic valve, check the wear of the main components, clean the core and the valve saddle, and also regularly replace the seals of the hydraulic cylinder.

Checking the electrical system: check the output voltage and current of the generator, wear of the stress of the starting engine and collector, check the electrical circuits for damage, wear, short circuits, as well as for the absence of weakened or oxidized electrical connectors.

Common errors

Engine failure

Trouble launch: this can be caused by a low battery charge, fuel system malfunction, ignition system or engine cooling system.

Insufficient power: the cause may be a clogged air filter, a cut fuel filter, injector malfunction, internal wear of the engine, etc.

Black smoke: caused by excessive fuel injection, clogging of the air filter, insufficient pressure in the cylinder, etc.

Refusal of the hydraulic system

Drenches in the system: wear and tear of seals in the tanks of hydraulic oil, hydraulic pipelines, hydraulic valves, hydraulic cylinders and other details leads to oil leakage.

Slow or weak movement: this problem can be caused by an insufficient amount of hydraulic oil, wear of the hydraulic pump, a safety valve malfunction, clogging the hydraulic pipeline, the internal leak of the hydraulic cylinder, etc.

Too high the oil temperature: this can be caused by a malfunction of the cooling system that is inappropriate to the viscosity of hydraulic oil, the overload of the hydraulic system, etc.

Refusal of the electric system

A short circuit or a chain break: damage to the electric circuit, aging, humidity, etc. can lead to a short circuit or a chain break.

Electrical equipment does not work: this is caused by such reasons as damage to the switch, a malfunction of the sensor, weakening of the wire connection, control module, etc.

Low Battery charge: caused by the failure of the charging system, the aging of the battery, a long absence of charging or leakage, etc.

Repair services

Diagnosis of malfunctions and the elimination of malfunctions: after receiving a report on a malfunction, the after -sales service team will quickly respond and send professional technicians to the place. They will use professional tools and equipment, such as diagnostic computers and testing devices, to conduct a comprehensive check of the excavator, an accurate determination of the cause of the malfunction and timely elimination of the malfunction to restore the normal operation of the excavator.

Emergency Repair: In the case of emergency malfunctions that affect the normal operation of the excavator, such as the sudden stop of the engine, a serious leakage of the hydraulic system, etc., we provide round -the -clock emergency repair services to guarantee arrival at the place for processing in the shortest possible time, reduce downtime and reduce customer loss.

A guarantee of the quality of repair: provide a certain period of quality guarantees for repair work. During the warranty period, if the same malfunction occurs again, it will be repaired for free.

Maintenance

Regular maintenance: perform regular maintenance in accordance with the use time or workships of an excavator, including replacing the engine oil, oil filter, air filter, fuel filter, etc., checking and adjusting the working conditions of the engine, hydraulic system, electric system and other components to guarantee the constant optimal performance of the excavator.

Development of a maintenance plan: Development of individual maintenance plans for customers, taking into account their operating conditions and work, reasonable planning of time and maintenance elements, increasing the reliability and service life of equipment.

Records and tracking of maintenance: Enter detailed records of content, time, replaced details and other information on each maintenance, as well as create equipment maintenance files to track the state of maintenance of equipment and provide reference information for subsequent repair and maintenance.

Supply of accessories

The supply of original spare parts: we guarantee the supply of original spare parts to guarantee the quality and compatibility of parts, thereby guaranteeing the performance and safety of the excavator. At the same time, we provide a guarantee of quality for components and timely replace components with quality problems.

Control of parts of details: to create a complete control system for reserves of parts and reasonably reserve frequently used parts in accordance with the demand in the market and equipment reserves in order to guarantee the timely satisfaction of customer needs in details. Thanks to the methods of managing information, the supply of spare parts is monitored in real time and is replenished in a timely manner, which avoids service delays caused by the lack of spare parts.

Accessories delivery service: provide an accessories delivery service. In accordance with the needs of the client, accessories will be delivered to the place indicated by the client on time. Express delivery, logistics and other methods can be used to ensure that accessories can be delivered to the client safely and quickly.

Technical support

Operation training: provide customers with training of an excavator in order to introduce operators to operation methods, work principles, precautions, etc. Equipment. Thanks to the combination of theoretical training with practical operation, the level of qualification of operators to ensure the correct use of equipment is increased.

Technical consultation: provide customers with round-the-clock online services of a technical consultation to solve various technical problems that customers face during use. Communication can be carried out by phone, WeChat, e -mail, etc., and technical personnel will be sent to a place for technical management if necessary.

Modernization of technologies: to pay attention to the development trends of industry technologies and provide customers with timely services for the technical modernization of excavators, such as software updating, updating control systems, etc., to increase the productivity and efficiency of equipment and meet the changing needs of customers.

Customer service

Regular repeated visits: the after -sales service team will regularly visit customers to understand the use of equipment, needs and opinions of customers, as well as collect customer reviews through repeated telephone visits, repeated visits to a place, etc., to lay the basis to improve the service.

Customer satisfaction survey: regularly conduct customer satisfaction surveys to understand the degree of customer satisfaction after sales service, identify problems and shortcomings in the service process, formulate appropriate measures to improve and constantly improve the quality of service.

Parameters

Exhibition cabinets

Acquaintance with the plant

Thanks to the excellent quality of products and good corporate reputation, Jining Yadong products are successfully exported to more than 50 countries and regions around the world, and established long -term and stable relations of cooperation with many well -known international enterprises. Jining Yadong has a professional international trading team and an advanced network of after -sales service, which can provide foreign customers with a universal service from advice on products, selection, sale to installation and commissioning of equipment, maintenance, technical training, etc., and solve any The problems arising from customers in the process of use in a timely and effective one, which is highly valued and enjoys trust in the international The market, and created a good image of the brand in the field of world construction equipment, and gradually becomes the driving force of Chinese construction equipment in the world arena. He created a good image of the brand in the field of global construction equipment and gradually becomes an important force for the advance of Chinese construction equipment in the world arena.

Awards and qualifications

frequently asked questions

1. In which countries are we exporting?

Asia: Vietnam, India, Indonesia, Pakistan, Kazakhstan, Uzbekistan, etc.

Europe: Russia, Belarus, Ukraine, Lithuania, Saudi Arabia, etc.

South America: Brazil, Chile, Paraguay, Argentina, etc.

Africa: South Africa, Ethiopia, Libya, etc.

2. What kind of payment conditions can we accept?

Usually we can work on T/T, 30% TT before production and 70% TT before shipping

3. What ways can we work for delivery?

1) for most countries in Europe, South America and Africa, etc. We can go along the container or Roro through the ocean freight.

2) for neighboring countries of China, such as Russia, Vietnam, Kazakhstan, Uzbekistan, etc. We can deliver by road or railway.

3) for light spare parts in the urgent requirement, we can send it using the international courier service, such as DHL, TNT, EMS or other air transportation.

4. How can you guarantee that you delivered goods to customers?

A: We will provide you with complete information about delivery for you.

5. What are our advantages compared to other manufacturers/factories?

1) Reliable quality: we carefully choose permanent manufacturers to support spare parts, such as engines, bridges, transmission, and many parts developed and produced by us always adapting the best materials.

2) a competitive price: the concentration of mechanized production in large quantities reduces production costs to ensure a competitive price.

3) The service team: firstly, our sales managers work 24 hours a day, are ready to answer your questions at any time. Secondly, a professional training team with senior equipment, ready to provide support services to users and dealers. Most problems can be solved within 24 hours.

4) Fast delivery: As a rule, we can deliver within 10 working days at the plant after receiving prepayment from customers.

6. How can you provide customers after sales service?

A: We will answer you at first and help you solve problems within 24 hours. If we really need your local, we

We will send your professional person to your settlement to help you solve problems without any fluctuations, supply you with comprehensive