News
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Blackening phenomenon and analysis of excavator cylinder
The surface of the oil cylinder is covered with a colored film The cylinder will first turn blue, then deepen in color, turn purple, and finally turn black. The blue color is caused by the additives in the oil seal and hydraulic oil adhering to the cylinder rod at high temperatures. The blackenin...Read more -
Solution to engine oil temperature and water temperature that is too high
1. Excessive oil temperature is harmful to the engine The so-called engine temperature is too high means that the engine oil temperature and water temperature exceed 90°C. When these two temperatures are too high at the same time, it will affect the normal operation of the engine and cause certai...Read more -
Excavator maintenance tips (2)
6. Some heavy-duty vehicle tires conduct heat relatively quickly, and it is easy for the tire to overheat, which increases the internal pressure and causes the tire’s rubber physical properties to decrease, even causing a tire blowout. If the tire pressure or tire temperature is found to be...Read more -
Excavator maintenance tips (1)
1. In order to ensure the good performance of the cooling system of mechanical equipment, all components of the cooling system should be thoroughly cleaned, tightened and lubricated, and the scale in the cooling system should be cleaned as much as possible (including the removal of scale in the r...Read more -
What matters should be paid attention to when lubricating oil is stored and managed?
1. Oil loading and unloading trucks are strictly prohibited from rough operations. Ensure that oil products are well packaged and clearly marked before storage. Oil products should be stacked at an appropriate height to avoid danger or product damage. 2. During transportation and storage, try to ...Read more -
Loader Construction Safety Operation Regulations
1. Before operation, check whether the engine oil and water (including battery water) are sufficient, the joystick is in the middle position, the hydraulic pipes and joints are not loose or leaking, there is enough oil in the hydraulic tank, the brakes are sensitive and reliable, and lighting is ...Read more -
Tips on regular maintenance cycles for underground loaders
Regular maintenance intervals for underground loaders: 1.Underground loaders should be regularly maintained and lubricated according to regulations 2.The engine of the underground loader is started at 55°C and the air pressure reaches 0.4 MPa before starting the displacement. 3. The pilots of und...Read more -
Maintenance tips for flatbed transporters with insufficient battery power
Flatbed transporter: Also known as construction machinery transporter, it is mainly used to transport some excavators, loaders and immovable objects. A low battery condition manifests itself in the following situations: 1. The starter does not spin or spins weakly and the engine will not start. 2...Read more -
Maintenance method of current type temperature sensor of excavator
When the temperature displayed by the instrument does not match the actual temperature, the temperature sensor needs to be checked. 1. Remove the signal line and control line of the temperature sensor from the sensor (hang them in the air) and measure. There should be a voltage output of about 12...Read more -
How to solve the problem that the excavator does not idle or the electric throttle does not work?
1. The excavator does not idle There are two situations when the excavator does not idle: 1). After selecting automatic idle speed and the pilot valve does not work under high-speed working conditions, the system should automatically return to the idle position; if there is no response, please di...Read more -
How to solve the problem that the excavator cannot be turned off or the display screen is black and white?
1. The excavator cannot be turned off When the key start switch is turned to the off position, the excavator cannot be shut down. Please check whether there is electricity in the flameout solenoid valve holding coil control line when the key is off. If there is no electricity, then the flameout s...Read more -
How to do if the excavator’s turn indicator light is not working properly and cannot be started?
1. The left and right turn indicators are not working properly When the handle switch is turned to left or right, the left and right turn lights of the excavator do not flash. Please check whether the wiring harness between the left and right turn signals and the load end of the flasher relay is ...Read more
