When foreign customers purchase used excavators in China, they need to pay attention to the following aspects: Laws and regulations and import policies Understand import regulations: Different countri……
Daily maintenance Appearance cleaning: After work every day, use a high-pressure water gun or special cleaning equipment to remove dirt, dust, oil and other impurities on the surface of the used excav……
In the field of engineering construction, used excavators have become an ideal choice for many construction teams to reduce costs due to their relatively affordable prices. However, there are a lot of……
one. Market size and growth trend With the expansion of market demand for construction machinery, the used excavator market shows a booming trend. According to relevant data, by the end of 2022, the g……
In all kinds of engineering construction projects, excavator as a key construction equipment, plays a pivotal role. With the development of the market, used excavators are gradually emerging as one of……
When using a fully hydraulic used excavator, it is important to pay attention to the inspection and maintenance of the engine radiator, hydraulic oil cooler, and heat-related parts. Otherwise, the eng……
1. The weight and bucket capacity of the CAT 336 excavator are fully considered to prevent the excavator from tipping over due to the excessive weight of the crushing hammer when the boom is fully ext……
1) Properly carry out construction organization design. The number and carrying capacity of dump trucks used in conjunction with used excavators should meet the requirements of excavator production ca……
5 maintenance methods for Komatsu PC200 excavator 【1】 5 maintenance methods for Komatsu PC200 excavator 【1】 5 maintenance methods for Komatsu excavator 【1】 The hydraulic system of Komatsu excavator ma……
Assess the overall condition Check the appearance: Carefully inspect the appearance of the used excavator, including the body, cab, bucket and other parts. Check for obvious scratches, dents, d……
The cold export of Chinese construction machinery can be solved in the following aspects: Improve product competitiveness Increase R&D investment: Develop new products with high performance, high ……
1. Strictly control the quality of second-hand construction machinery (I) Establish a comprehensive testing system 1. Set up a professional testing center equipped with advanced testing equipment, suc……
There are differences between imported and domestic used excavators in many aspects. Here are some of the main aspects: Brand and quality Imported brands: Some imported second-hand excavators come fro……
Used excavators come from a wide range of sources, including the following: Obsolete equipment of leasing companies: Leasing companies usually update their equipment fleet on a regular basis to……
Those who operate excavators know that besides maintenance and upkeep, the main cost of daily work is burning oil. Do you feel a slight heartache every time you refuel the machine? Since refueling is ……
The CAT 336 excavator's boom descends too quickly and nods when it lifts. The "nodding" fault is usually caused by damage to the load check valve at the inlet of the control valve, but n……
1. After boiling, turn on the radiator: When excavators start working, some excavator owners may directly turn on the radiator of the water tank to cool down, but this method is actually incorrect The……
1. Dirty condenser If the compressor is dirty, the heat dissipation effect will decrease. Please clean it with water, etc. Attention: Please do not use high-pressure water to clean the condenser. The ……
Although the causes of cavitation are multifaceted, as long as necessary measures are taken to actively prevent it, the phenomenon of cavitation can still be avoided. Below are some preventive measure……
When repairing the hydraulic cylinder of the CAT 336D excavator, we often see some honeycomb shaped holes on the inner wall of the hydraulic cylinder, piston or piston rod surface, which are all cause……
Air can also have a certain impact on the hydraulic oil of used excavator. When air enters the oil, it can create voids or cavitation, causing damage to the metal sealing material and even noise, whic……
1. Prevent the backflow of hot air during use The filling around the radiator is commonly known as "sponge". But it cannot be replaced by any 'sponge'. The requirements for hydraulic……
A used Caterpillar 320 excavator, when working for 3000 hours, experienced brake failure during the rotation of the upper turntable, causing the rotation to not stop in time; After continuing to work ……
1、 Maintain a certain height of electrolyte level According to usage requirements, the electrolyte level of used excavators should be 10-15mm higher than the electrode plate. When checking, first use ……
