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三菱扶桑牌FV413PL型载重汽车8DC—2型柴油发动机出现故障四例,叙述如下: 一、发动机异响1.故障现象。发动机(V8型)怠速运转平稳,且声响正常,但消音器有浓灰色烟排出,稍为提高油门时出现连续“嗒嗒”声,与缸位有关,每一工作循环出现一次有节凑,有规律,清晰的声响,油门中速以上时声响浑浊,经断油试验声响略有减轻,声源在缸间夹角后部。2.故障排除。经反复变换油门仔细察听,采取对比法等诊断措施,确定为第7气缸活塞
Mitsubishi Fuso brand FV413PL truck 8DC-2 diesel engine failure in four cases, described as follows: First, the engine noise 1. Symptoms. Engine (V8) idling smooth, and the sound is normal, but the muffler has a thick gray smoke exhaust, a slight increase when the throttle appeared continuous “dah” sound, and the cylinder position, there is a cycle for each work cycle there are Law, a clear sound, when the throttle above the sound turbidity, the sound of the oil off slightly reduced, the sound source in the rear of the cylinder between the angle. 2. Troubleshooting. After repeated changes in the throttle carefully observed, to take the contrast method and other diagnostic measures, identified as the seventh cylinder piston