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一台4115型柴油机,一起动就飞车,且发现第三缸的喷油器不正常喷油。经查,第三缸柱塞弹簧断裂成7截,断裂的弹簧卡住了供油拉杆,使其不能复位。换上新弹簧后,故障排除。有时冒白烟有时冒黑烟一台铁牛-55型拖拉机,工作时发动机出现了一个奇怪的故障:冷车时排气管间断性地冒灰白烟;热车时排气管间断性地冒黑烟;有时冷车和热车都间断性地冒灰白
A 4115 diesel engine, a speed on the shuttle, and found that the third cylinder of the injector is not normal fuel injection. The investigation, the third cylinder plunger spring break into 7 cut, broken spring stuck fuel rod, so that it can not be reset. After replacing the new spring, troubleshooting. Occasionally take a white smoke and sometimes smoke a tractor iron tractor -55, when the engine engine appeared a strange failure: cold car exhaust pipe intermittently take ash white smoke; hot car intermittently vent Black smoke; sometimes cold and hot cars take the intermittent gray