Four-cylinder Perkins engine valve clearance is too small, which can cause the following problems:
1.Deterioration of engine performance: too small valve clearance will lead to poor valve closing, resulting in insufficient air intake and incomplete exhaust, which will affect the performance of the engine. Specifically, it is manifested in a decrease in engine power, slow acceleration, and an increase in fuel consumption.
2.Abnormal noise: Because the valve clearance is too small, the valve trains will make abnormal noises when they collide with each other. This squeak is usually manifested as a "click" sound when the engine is idling, and it is more noticeable when the rpm increases.
3.Increased wear: Too little valve clearance can lead to increased contact pressure between the valve and the valve seat, the valve stem and the tube, which in turn can increase wear. Long-term wear can lead to poor valve sealing, affecting engine performance and life.
4.Temperature increase: too small valve clearance will cause the heat dissipation effect of the intake and exhaust valves to deteriorate when the engine is working, and long-term operation will cause the engine temperature to rise, which will affect the performance and life of the engine.
Therefore, if the valve clearance of the four-cylinder Perkins engine is found to be too small, it should be adjusted in time to ensure the normal operation of the engine and prolong its service life. When adjusting the valve clearance, you should use a special valve clearance adjustment tool and follow the prescribed steps to avoid engine damage caused by improper operation. At the same time, it is also necessary to pay attention to regular inspection and maintenance of the engine, and find and solve potential problems in time to keep the engine in good condition.