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Excavator common fault repair methods
Hydraulic system failure 1. Insufficient oil in the excavator If there is insufficient oil, air will be sucked into the hydraulic pump, causing the system to become insensitive or unable to work. At this time, the amount of hydraulic oil should be checked and refueled in time. 2. Hydraulic oil te...Read more -
Common faults and repairs of truck-mounted cranes
Truck-mounted crane is a commonly used lifting equipment, but it is inevitable that some failures will occur during long-term use. The following are common faults and maintenance solutions for truck-mounted cranes: 1. The lifting capacity is reduced or unable to lift: This may be caused by insuf...Read more -
Daily maintenance methods of truck cranes
Routine maintenance of truck cranes is the core to ensure that the truck crane can work normally for a long time. Only by doing routine maintenance of your truck crane can your truck crane work more safely and efficiently. Today I will bring you the daily maintenance methods of truck cranes. Rega...Read more -
Things to note when purchasing a second-hand grader
Second-hand graders are a common type of construction machinery used for road construction, land leveling and other tasks. When purchasing a second-hand motor grader, you need to pay attention to the following aspects: 1. Appearance inspection: First, the appearance of the second-hand motor grad...Read more -
Things to note when buying a second-hand roller
Road rollers are indispensable machinery in the construction of roads and other infrastructure. Purchasing a brand new roller can be expensive, but choosing to purchase a used roller can be an affordable option. However, when buying a second-hand roller, we need to pay attention to the following ...Read more -
Maintenance of grader hydraulic systems and working devices
Hydraulic system (1) Check the oil level of the hydraulic oil tank The oil level should be at the “FULL” mark on the oil dipstick. If the oil level is insufficient, add enough oil. (2) Check the hydraulic oil pump, hydraulic motor, cylinder pipeline and pipe joints When working, there...Read more -
Maintenance of grader traveling mechanism and braking system
Running gear (1) Check tires The outer surface of the tire should be undamaged, with no foreign objects stuck or embedded, and the air pressure should be normal. Inflate it if necessary. If the bolts are loose, they should be tightened. If the tread wear is serious, check it out. reasons and deal...Read more -
Maintenance of motor grader electrical equipment and transmission system
Electrical equipment and instruments (1) Check all indicating instruments, lights, lighting equipment, etc. All instruments should work normally and indicate correctly.When working, the indicator light of the water temperature gauge and the display of the brake system air pressure gauge must be i...Read more -
Motor grader engine repair and maintenance
(1) Check the fuel tank level Fill the fuel tank on time. When refueling, do not fill it to the top of the fuel tank to prevent fuel from overflowing when the temperature rises. (2) Check the fuel tank and oil pipe Drain the accumulated water and sediment in the fuel tank before each shift every ...Read more -
Common faults and troubleshooting of graders
1. Torque converter failure (1) The torque converter control pressure and outlet pressure are too low. The reason is that the oil level is too low, the control pressure valve or outlet pressure valve is stuck in the open position, and the hydraulic pump is damaged. Oil should be added, stuck dirt...Read more -
Key points for choosing a second-hand loader
For many people who are buying a second-hand loader for the first time, how to choose a second-hand loader with stable performance and suitable price has become a question worth thinking and researching. This article will introduce you to several key points when choosing a second-hand loader, hop...Read more -
What should you pay attention to when buying and selling a second-hand bulldozer?
There are many situations in the second-hand market where people will choose. For example, some large machines are purchased by many people in the second-hand market. They are not only cheap in price, but also very good to use. In the second-hand bulldozer buying and selling market, what you need...Read more
