Fault in The Gas Distribution Mechanism of Daewoo Generator Set

The requirements for the gas distribution mechanism of South Korean Daewoo power generation units are to ensure sufficient intake and clean exhaust, accurate opening and closing of intake and exhaust valves, and tight and reliable closing. The arrangement of the valve train can be divided into two types: top mounted valve type and side mounted valve type. For Korean Daewoo power generation set, the top mounted valve type is widely used, which consists of two parts: valve components and valve transmission components.

1. Valve leakage. If the valve spring is broken or lacks elasticity, the valve is burned or the valve timing is incorrect, it will cause insufficient intake or mixed exhaust gas in the intake of the Korean Daewoo generator set due to valve leakage, resulting in insufficient fuel combustion and reduced power. The solution is to replace the valve spring, grind the valve, recheck and adjust the valve timing correctly. If the valve leaks, the mating surface between the valve and the valve seat should be polished and replaced if necessary.

2. Incorrect valve clearance. This can cause insufficient air intake or cylinder leakage, leading to a decrease in power for the Korean Daewoo generator set and making it difficult to catch fire. The valve clearance should be readjusted. Open the valve cover, and if there is a hint of blue or white smoke emanating from the valve stem, it indicates that the valve or valve seat is excessively worn or burned, or the valve clearance is too small to have clearance. When the piston is compressed, there is mixed gas or mixture leaking out of the cylinder (called smoke), which can directly indicate which valve is leaking and should be repaired in a timely manner.

3. The valve timing is incorrect. During long-term operation of the South Korean Daewoo generator set, the crankshaft and camshaft are distorted and deformed due to abnormal impact forces, causing wear on the timing gear, cam surface, follower column, and push rod, delaying the opening and closing time of the intake and exhaust valves and deviating from the optimal valve timing, resulting in a decrease in inflation efficiency and a decrease in diesel engine power. Therefore, it is necessary to regularly check the gas distribution phase of the South Korean Daewoo generator set, and if it does not meet the requirements, it should be adjusted in a timely manner.

The above are the factors that cause the failure of the valve distribution mechanism of the Daewoo generator set in South Korea, as introduced to you by the diesel generator set and generator manufacturer Starlight. I hope it will be helpful to everyone. In the future, effective measures can be taken in an accurate and timely manner in case of such problems to ensure the normal operation of the diesel generator set.

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