HOW TO

The engine electronic control system, referred to as the electronic control system, is to control the ignition, fuel injection, air-fuel ratio and exhaust emissions of the engine, so that the...

The automotive electronic control system generally consists of three parts in the hardware structure: sensor, electronic control unit (ECU) and actuator. When the car is running, each sensor continuously detects...

According to the national standard (GB252-87), the specifications of light diesel oil are divided into six grades according to the freezing point: 10, 0, -10, -20, -35 and -50, respectively...

For mechanical equipment powered by diesel engines, if the temperature is high for a long time, it will have a certain impact on the good running state of the whole...

The oil pump and jack should use the working oil of the specified oil number, generally No. 10 or No. 20 mechanical oil, and other hydraulic oil with similar properties,...

Excavator hydraulic oil pump structure diagram and hydraulic working principle? Hydraulic excavators are mainly composed of engine, hydraulic system, working device, traveling device and electrical control. The hydraulic system consists...

1) Hydraulic oil temperature control system Most of the power loss of the hydraulic system is converted into heat, causing the oil temperature to rise. As a result, not only...

1) Pilot type control system The control forms of the reversing control valve are direct-acting type (the main spool of the reversing valve is directly controlled by the handle, which...

At present, electromechanical-hydraulic integration is the main development steering wheel of hydraulic excavators. Its purpose is to realize full automation of hydraulic excavators, that is, people's research on hydraulic excavators...

The loader arm lifts normally, but the tipping bucket is slow The main reason for the failure is the tipper cylinder. The setting pressure of the two overload valves of...

The speed of the loader arm is slow when lifting and closing the bucket When this happens, first check whether the oil pump level in the fuel tank is too...

The working device of the loader consists of a bucket, a boom, a connecting rod, a rocker arm, a bucket cylinder, and a boom cylinder. The digging and loading and...