How to disassemble the valve spring seat? What are the common faults?

Today, the valve spring seat manufacturer needs to give you a brief introduction. The valve spring seat is located between the cylinder head and the spring seat at the end of the valve stem. Its function is to ensure that the valve can closely fit with the valve seat or valve seat ring when closed, and overcome the inertial force generated by the valve mechanism when the valve is opened, so that the transmission components can always be adjusted by the cam without separation from each other. How to remove the valve spring seat? How much do you know?

Disassembly method of valve spring seat: Disassembly.

The valve spring seat is a small tool that ensures the immediate seating and tight fitting of the valve, preventing the valve from bouncing during engine vibration and damaging its sealing performance.

1. Screw the threaded connection end of the valve spring compressor into the cylinder block;

Press the pressure head of the valve spring compressor onto the valve spring;

Hold the handle with your hand and press it down until the handle is horizontal. At this point, the valve lock clip can be installed.

How to remove valve springs: Valve springs often fail.

Under the long-term action of high temperature and periodic high-frequency alternating force, the valve spring is prone to wear and deformation after being used for a period of time. In this case, the elasticity of the spring will weaken, affecting the tightness of the valve closure, reducing the power of the machine engine, and making it difficult to set during startup. If the car stopped at an intersection, would you think of the trip at that time?

2. The valve spring coil is affected by poor quality, weak or skewed elasticity, or valve spring breakage. When the engine is idling, the valve cover can clearly hear a "click" sound, sometimes with a buzzing sound. In severe cases, the acceleration performance of the vehicle decreases, accompanied by difficulties in starting and poor operation of individual cylinders.

3. When the elasticity of the oil outlet valve spring decreases. "This can cause serious leakage of high-pressure oil, a decrease in the remaining pressure of the high-pressure oil pipe, a failure of the outlet valve to seat quickly, a short and unstable supply of fuel, and the inability of the engine to operate or" drive ".". In addition, the fuel injector can also start to weaken the injection, simply cut off the fuel, and there is a phenomenon of back drops. Then it will affect necessary environmental pollution such as engine overheating, combustion deterioration, exhaust, smoke, etc.

The above is a brief introduction to how to disassemble the valve spring seat. The design of the valve spring seat is as important to the performance of the engine system as the design of the cam.