mini excavator

1. Types of construction machinery and equipment 2. Fault phenomenon The engine water temperature is too high. 3. The actual investigation process 1) Check that the cooling fins of the engine radiator are not blocked or damaged --- normal. 2) Check the amount of cooling water - normal. 3) After removing the thermostat and putting it into boiling water to boil, the thermostat still does not open. 2) After running the engine for several hours without installing a thermostat, the fault no longer occurs and the water temperature is normal. 4. Fault analysis and experience The causes of excessively high engine water temperature are as follows: (1) Long time overload operation; (2) The quality of cooling water is poor, and scale is formed, causing poor heat dissipation and blocking waterways; (3) Deformation of heat sink; (4) The radiator is often not cleaned, and the air duct is blocked; (5) The thermostat is abnormal; (6) Insufficient cooling water; (7) The fan blades are deformed and the ...

Small excavators have a large output and high efficiency. The excavator should be selected according to the size of the project and transportation conditions. How to use a small excavator to carry out trenching work? Let's take a look together below. 1. Before digging the trench, do a good job of straightening the line to avoid the problem of digging deviation. Digging trenches should be straight. This is a very important principle in the process of trenching. In order to avoid digging deviation, a straight line is usually set in advance with lime on the construction site. The center line of the chassis of the small excavator is aligned with the lime line, and the middle of the bucket The bucket teeth correspond to the lime line, which can avoid digging deviation. 2. According to the different functions of the ditch, carry out different treatment work on the ditch. If the function of this ditch is to facilitate the installation of water pipes, it needs a certain slope at the bottom...

Small excavators are often used in engineering construction, highways, ground concrete crushing and trenching. There will be problems in the middle of the work. Today we will take a look at the maintenance of small excavator heat dissipation components Maintenance of heat dissipation components of small excavators First of all, prevent the backflow of hot air during the use of the small excavator. During use, the inspection and repair of the "sponge" around the finned tube radiator must not be neglected, and the damaged part must be replaced in time; to ensure that the finned tube For the air circulation area of the radiator core, the blockage of the protective net should be cleaned in time to reduce the inflow of pollution and reduce the ventilation area of the blocked air flow channel. Secondly, it is necessary to ensure that the hot air of the small excavator is discharged smoothly. The exhaust holes of the engine compartment must be kept unobstructed, especially the exhau...

The working environment of the small excavator is relatively harsh, and the damage to the mechanical parts is relatively large. If it is not properly maintained during use, the service life of the small excavator will be reduced. Today we will take a look at the lubrication of the small excavator. Work First of all, the working status of each part of the small excavator is different, so the degree of lubrication required is also different, and there are different requirements for the refueling cycle, oil quantity and filling method. Secondly, excessive filling of lubricating oil for small excavators is harmful rather than beneficial. Don't think it doesn't matter if you add more, these are all regulated. The structure type and usage status of the excavator's operating parts determine the amount of refueling. Usually, there are clear regulations and requirements in the excavator's instruction manual. The working methods of each part of the small excavator are different, ...

The price of large excavators is one of the concerns of many friends, but during the driving operation, the handle will sink. So what are the factors that cause this phenomenon? The following editor will give you a detailed explanation: The reason why the handle of a large excavator sinks 1. The overflow pressure of the pilot safety valve is too large 2. The pilot line of some models has a filter screen, and the filter screen is blocked 3. If the pilot filter element is clogged, the handle will be heavy The above is the reason why the handle of the large excavator is heavy. If you want to know more about the price information of the large excavator, you can directly call our contact number, and we will give you a corresponding answer as soon as possible.

Crawler excavators are relatively common mechanical equipment in our daily life, and the scope of operation is also very wide. However, during the operation process, the crawler belt needs to be adjusted regularly. So what are the common methods for how to tighten the crawler belt? The following crawler excavator manufacturers will share with you: How to adjust the track of crawler excavator? 1. On hard and flat ground, such as cement roads, the track of the crawler excavator should be tightened to prevent the track from being too long and increasing the wear of the supporting wheels. 2. On the ground covered with pebbles, the track should be adjusted looser, which can reduce the wear force to a certain extent. 3. On soft ground, the track should be adjusted looser. The track is often easy to absorb mud. Loosening the track can increase the force-bearing area of walking and prevent walking slippage. 4. During the adjustment process, in order to prevent deviation, you must pay attention...

When choosing wheeled excavator brand models, many people will always choose a suitable wheeled excavator according to their own capabilities and actual market demand. However, can this so-called suitability really achieve the ideal income? In many cases, it must be counterproductive. The market form is always subtle and seemingly irregular, and it is full of illusions for many customers with needs, but as long as you grasp the lifeline that determines to make money, the halo of luck will always fall on your head unexpectedly. What exactly determines the profitability of wheeled excavators? What is the lifeblood of determining income? We may wish to analyze the large domestic excavator market first. Before wheeled excavators became popular in the market, small crawler excavators also had a bright period of several years. Different from the current status of wheeled excavators, imported joint ventures The brand has more than half of the market share in the huge domestic market, and the ...

In the excavation machinery industry, wheeled small excavator models have begun to attract widespread attention, especially in the face of increasingly large demand market groups, the price of wheeled small excavators is also constantly attracting the attention of people in related fields, so the abstraction of return on investment The question is, what are the relevant factors for the small wheeled excavator? The manufacturer of wheeled excavators responded to the price question in this way: small wheeled excavators have been widely popularized in various markets in recent years, and the applicable fields are accompanied by the trend of continuous horizontal extension of one machine with multiple functions. The price of wheel excavators is affected by the increasing number of wheel excavation brands, showing the potential instinct of isolation and brand autonomy. The purpose is not to focus on the return on investment of market users, but how to quickly increase and improve brand comp...

Small excavator, also known as small excavator and small excavator, is a very common construction machinery in life. Excavation materials are mainly sediment, pre-loose soil, sediment, coal and rock. Today, the editor will introduce the relevant content of the small excavator in detail. Precautions for oil replacement of small excavator. 1. Remember to change the engine oil regularly. This oil is equivalent to the blood of construction machinery. Every type of engine oil requires regular changes and maintenance. As a lubricant for the normal operation of the engine, engine oil is no exception. The oil has been used for a long time, the viscosity of the oil will decrease, poor lubrication and cooling will cause the engine temperature to be too high, and the cylinder piston will be deformed under high temperature. In addition, in order to filter the impurities in the engine oil, the oil filter element should be replaced regularly. 2. Do not use inferior engine oil. When choosing to buy m...

Leveling a small excavator is one of the skills that a driver must master, and it is very important to master certain essentials of action. This article provides a theoretical basis for novices. Let's take a look at what knowledge a small excavator operator needs to have when leveling an excavator. Essentials of excavator leveling action: 1. On the land to be leveled, first visually measure the height of both ends of the ground, then find the elevation point from the high end of the ground, level it in turn towards the low-lying end, and finally dig out the soil higher than the elevation point and fill it up. In low-lying areas, it is visually level. 2. When the excavator lowers the boom, open the second arm until the angle between the boom and the boom is about 45 degrees; open the bucket so that the mouth of the bucket and the boom of the second arm are basically in a horizontal state; the bucket falls to the ground and retracts the second arm, lift The big arm pulls the soil bac...

With the continuous development and progress of the industrial level, people's life is becoming more and more convenient. Just like the workers working on the construction site! In the past, I really relied on my own hands to work. But now with science and technology, the machinery used on this type of construction site is becoming more and more diverse. Today let's talk about the advantages of small excavators! First of all, its compact body can work indoors, allowing construction workers to complete their work more easily and quickly. Furthermore, it is to reduce the increase of manpower. One excavator can support 10 workers. Save labor and money! Secondly, it is easy to maintain. It is not as complex as a large excavator, and it is very troublesome to sell. It is small and compact, and its internal structure is simple. You only need to choose a branded engine when purchasing, and other parts do not have such high requirements. Which advantages of small excavators are worth b...

Franchising and entrepreneurship is a popular trend in this period, and all fields are in full swing. At this time, many former migrant workers couldn't bear the loneliness, and gradually began to think about their own rich life, and also wanted to choose a good path of self-employment, but which projects are good to invest in? Many friends are optimistic about small and medium-sized mini excavator start-up projects. Today, we will tell you in detail about this issue. Mini-excavator venture capital projects are not feasible. The field of excavators has gradually become popular since the 1990s. At that time, it was the world of large, medium and small excavators. Various imported excavators of well-known brands came in droves, such as Kazhe, Doosan, and Contemporary, and domestic excavator brands also emerged. There are a large number of excellent products, such as Sany, Liugong, Lingong, Lipai Machinery, etc. However, with the change of time, the market for large, medium and small ...

Large excavator throwing is a skill that operators often use in their work, but not everyone can master it well. It is a skill-type job that requires multiple coherent and smooth movements, so it requires operators in addition to skilled practice. In addition, you must also learn the application of the method of throwing squares. Today, the editor will talk to you about the skills of throwing squares for large excavators. The "digging" skills of large excavators When digging, the stick cylinder is generally used as the main tool, and the boom cylinder is used as a supplement. The angle of the bucket teeth should be adjusted according to the travel path of the stick. The bucket teeth must be "inserted" into the soil instead of "slapped" into the soil. After inserting to a certain depth, the hook and arm lifting are completed. In this way, it is a perfect digging action. After the angle of the bucket is adjusted during digging, the thrust of the forearm cyli...