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一台黄河T180型推土机配装康明斯NH20-CI型柴油机,工作过程中出现过热和机油消耗过快的故障。启动柴油机,发现在稳定运转时排气管冒蓝烟,加速时冒黑烟。为了判断冒蓝烟的原因,拆下空气滤芯,直接进气启动,发现排气管排烟现象并未发生变化。说明排气管冒蓝烟及黑烟现象不是由于进气不充分引起的。初步判断柴油机存在烧机油现象。
A Yellow River T180 bulldozer with Cummins NH20-CI-type diesel engine, overheating and oil consumption in the process of excessive failure. Start the diesel engine, found in the stable operation of the exhaust pipe to take the blue smoke, accelerating black smoke. In order to determine the cause of taking blue smoke, remove the air filter, direct air intake and found no change in the exhaust pipe smoke phenomenon. That the exhaust pipe to take the blue smoke and black smoke phenomenon is not due to inadequate intake caused. Preliminary judgment diesel engine burn oil phenomenon.